{"id":1259,"date":"2026-07-22T01:13:57","date_gmt":"2026-07-22T01:13:57","guid":{"rendered":"https:\/\/lypaperchem.com\/?p=1259"},"modified":"2026-07-22T01:13:58","modified_gmt":"2026-07-22T01:13:58","slug":"synergistic-mechanism-of-cationic-styrene-acrylic-emulsion-and-dispersed-rosin-sizing-agent-in-papermaking-systems","status":"publish","type":"post","link":"https:\/\/lypaperchem.com\/vi\/synergistic-mechanism-of-cationic-styrene-acrylic-emulsion-and-dispersed-rosin-sizing-agent-in-papermaking-systems\/","title":{"rendered":"C\u01a1 ch\u1ebf hi\u1ec7p \u0111\u1ed3ng gi\u1eefa nh\u0169 t\u01b0\u01a1ng styrene-acrylic mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng v\u00e0 ch\u1ea5t l\u00e0m c\u1ee9ng nh\u1ef1a th\u00f4ng ph\u00e2n t\u00e1n trong h\u1ec7 th\u1ed1ng s\u1ea3n xu\u1ea5t gi\u1ea5y"},"content":{"rendered":"<h3 class=\"wp-block-heading\">C\u01a1 ch\u1ebf hi\u1ec7p \u0111\u1ed3ng gi\u1eefa nh\u0169 t\u01b0\u01a1ng styrene-acrylic mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng v\u00e0 ch\u1ea5t l\u00e0m c\u1ee9ng nh\u1ef1a th\u00f4ng ph\u00e2n t\u00e1n trong h\u1ec7 th\u1ed1ng s\u1ea3n xu\u1ea5t gi\u1ea5y<\/h3>\n\n\n\n<h2 class=\"wp-block-heading\">Gi\u1edbi thi\u1ec7u<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong ng\u00e0nh s\u1ea3n xu\u1ea5t gi\u1ea5y hi\u1ec7n \u0111\u1ea1i, c\u00f4ng ngh\u1ec7 ph\u1ee7 keo \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng gi\u1ea5y th\u00e0nh ph\u1ea9m \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc, kh\u1ea3 n\u0103ng in \u1ea5n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. Trong s\u1ed1 c\u00e1c ch\u1ea5t ph\u1ee7 keo hi\u1ec7n c\u00f3, ch\u1ea5t ph\u1ee7 keo nh\u1ef1a th\u00f4ng ph\u00e2n t\u00e1n cationic \u0111\u00e3 thu h\u00fat s\u1ef1 ch\u00fa \u00fd \u0111\u00e1ng k\u1ec3 nh\u1edd nhu c\u1ea7u s\u1eed d\u1ee5ng ph\u00e8n th\u1ea5p, kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng trong d\u1ea3i pH r\u1ed9ng v\u00e0 \u0111\u1eb7c t\u00ednh t\u1ea1o b\u1ecdt \u00edt. Tuy nhi\u00ean, trong \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t gi\u1ea5y t\u1eeb trung t\u00ednh \u0111\u1ebfn ki\u1ec1m \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 ch\u1ee9a ch\u1ea5t \u0111\u1ed9n canxi cacbonat (CaCO\u2083) \u2014 c\u00e1c ch\u1ea5t tr\u00e1ng cationic t\u1eeb nh\u1ef1a th\u00f4ng th\u01b0\u1eddng cho th\u1ea5y hi\u1ec7u su\u1ea5t ch\u01b0a t\u1ed1i \u01b0u, \u0111\u00f2i h\u1ecfi li\u1ec1u l\u01b0\u1ee3ng cao h\u01a1n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 tr\u00e1ng ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac nh\u0169 t\u01b0\u01a1ng styrene-acrylic cationic n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t ch\u1ea5t t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 mang t\u00ednh \u0111\u1ed9t ph\u00e1. \u0110\u01b0\u1ee3c t\u1ea1o ra t\u1eeb qu\u00e1 tr\u00ecnh \u0111\u1ed3ng tr\u00f9ng h\u1ee3p nh\u0169 t\u01b0\u01a1ng c\u1ee7a c\u00e1c monome styrene v\u00e0 acrylate, nh\u0169 t\u01b0\u01a1ng styrene-acrylic l\u00e0 m\u1ed9t ch\u1ea5t l\u1ecfng m\u00e0u tr\u1eafng s\u1eefa v\u1edbi s\u1eafc xanh \u0111\u1eb7c tr\u01b0ng, c\u00f3 h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn t\u1eeb 40\u201345%, \u0111\u1ed9 nh\u1edbt dao \u0111\u1ed9ng t\u1eeb 80 \u0111\u1ebfn 1500 mPa\u00b7s, h\u00e0m l\u01b0\u1ee3ng monome d\u01b0 d\u01b0\u1edbi 0,5% v\u00e0 \u0111\u1ed9 pH t\u1eeb 8\u20139. Ch\u1ea5t n\u00e0y th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng b\u00e1m d\u00ednh tuy\u1ec7t v\u1eddi, t\u1ea1o m\u00e0ng trong su\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc, d\u1ea7u, nhi\u1ec7t v\u00e0 l\u00e3o h\u00f3a v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u0111\u01b0\u1ee3c bi\u1ebfn th\u00e0nh d\u1ea1ng cationic \u2014 th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t cationic ho\u1eb7c c\u00e1c monome acrylic mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng \u2014 nh\u0169 t\u01b0\u01a1ng s\u1ebd mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng r\u00f2ng tr\u00ean b\u1ec1 m\u1eb7t polymer ho\u1eb7c b\u00ean trong ch\u00ednh polymer. T\u00ednh ch\u1ea5t cationic n\u00e0y cho ph\u00e9p nh\u0169 t\u01b0\u01a1ng t\u1ef1 h\u1ea5p ph\u1ee5 m\u1ed9t c\u00e1ch t\u1ef1 ph\u00e1t l\u00ean c\u00e1c s\u1ee3i gi\u1ea5y mang \u0111i\u1ec7n t\u00edch \u00e2m, \u0111\u1ed3ng th\u1eddi mang l\u1ea1i c\u00e1c t\u00ednh ch\u1ea5t di\u1ec7t khu\u1ea9n, ch\u1ed1ng b\u00e1m b\u1ee5i v\u00e0 ch\u1ed1ng t\u0129nh \u0111i\u1ec7n. B\u00e0i vi\u1ebft n\u00e0y t\u00ecm hi\u1ec3u c\u01a1 ch\u1ebf t\u01b0\u01a1ng t\u00e1c hi\u1ec7p \u0111\u1ed3ng gi\u1eefa nh\u0169 t\u01b0\u01a1ng styrene-acrylic cationic v\u00e0 c\u00e1c ch\u1ea5t tr\u00e1ng gi\u1ea5y t\u1eeb nh\u1ef1a th\u00f4ng ph\u00e2n t\u00e1n cationic, d\u1ef1a tr\u00ean c\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c b\u00ecnh duy\u1ec7t \u0111\u1ec3 l\u00e0m s\u00e1ng t\u1ecf c\u00e1c nguy\u00ean l\u00fd c\u01a1 b\u1ea3n v\u00e0 \u00fd ngh\u0129a th\u1ef1c ti\u1ec5n \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t gi\u1ea5y tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u00e1ch th\u1ee9c v\u1ec1 k\u00edch th\u01b0\u1edbc trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t gi\u1ea5y ki\u1ec1m<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb quy tr\u00ecnh s\u1ea3n xu\u1ea5t gi\u1ea5y c\u00f3 t\u00ednh axit sang quy tr\u00ecnh c\u00f3 t\u00ednh trung t\u00ednh\/ki\u1ec1m \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng b\u01b0\u1edbc chuy\u1ec3n m\u00ecnh c\u00f4ng ngh\u1ec7 quan tr\u1ecdng nh\u1ea5t trong ng\u00e0nh trong nh\u1eefng th\u1eadp k\u1ef7 qua. Vi\u1ec7c s\u1eed d\u1ee5ng canxi cacbonat l\u00e0m ch\u1ea5t \u0111\u1ed9n c\u00f3 chi ph\u00ed th\u1ea5p v\u00e0 \u0111\u1ed9 s\u00e1ng cao mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch \u0111\u00e1ng k\u1ec3 v\u1ec1 m\u1eb7t kinh t\u1ebf v\u00e0 quang h\u1ecdc. Tuy nhi\u00ean, s\u1ef1 chuy\u1ec3n \u0111\u1ed5i n\u00e0y \u0111\u1eb7t ra m\u1ed9t th\u00e1ch th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee7 keo truy\u1ec1n th\u1ed1ng d\u1ef1a tr\u00ean nh\u1ef1a th\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 nh\u1ef1a th\u00f4ng truy\u1ec1n th\u1ed1ng d\u1ef1a v\u00e0o ph\u00e8n (sunfat nh\u00f4m) \u0111\u1ec3 k\u1ebft t\u1ee7a nh\u1ef1a th\u00f4ng l\u00ean s\u1ee3i gi\u1ea5y. Ph\u00e8n ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o ra axit sunfuric, v\u00e0 t\u1eeb x\u01b0a \u0111\u1ebfn nay, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t gi\u1ea5y th\u01b0\u1eddng s\u1eed d\u1ee5ng l\u01b0\u1ee3ng ph\u00e8n d\u01b0 th\u1eeba \u0111\u1ec3 duy tr\u00ec m\u00f4i tr\u01b0\u1eddng axit c\u1ea7n thi\u1ebft cho vi\u1ec7c gi\u1eef l\u1ea1i nh\u1ef1a th\u00f4ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Trong c\u00e1c h\u1ec7 th\u1ed1ng ki\u1ec1m c\u00f3 ch\u1ee9a CaCO\u2083, l\u01b0\u1ee3ng ph\u00e8n ti\u00eau th\u1ee5 t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3, v\u00e0 hi\u1ec7u qu\u1ea3 tr\u00e1ng keo c\u1ee7a c\u00e1c ch\u1ea5t rosin gi\u1ea3m m\u1ea1nh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ch\u1ea5t l\u00e0m c\u1ee9ng nh\u1ef1a th\u00f4ng ph\u00e2n t\u00e1n cationic \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng h\u1ea1n ch\u1ebf n\u00e0y. B\u1eb1ng c\u00e1ch t\u00edch h\u1ee3p tr\u1ef1c ti\u1ebfp c\u00e1c \u0111i\u1ec7n t\u00edch cationic v\u00e0o nh\u0169 t\u01b0\u01a1ng nh\u1ef1a th\u00f4ng, c\u00e1c s\u1ea3n ph\u1ea9m n\u00e0y gi\u00fap gi\u1ea3m nhu c\u1ea7u s\u1eed d\u1ee5ng ph\u00e8n v\u00e0 m\u1edf r\u1ed9ng ph\u1ea1m vi pH trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. Tuy nhi\u00ean, ngay c\u1ea3 c\u00e1c ch\u1ea5t \u0111\u1ecbnh k\u00edch cationic t\u1eeb nh\u1ef1a th\u00f4ng c\u0169ng g\u1eb7p kh\u00f3 kh\u0103n khi s\u1eed d\u1ee5ng trong c\u00e1c h\u1ed7n h\u1ee3p gi\u1ea5y c\u00f3 h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n cao v\u00e0 t\u00ednh ki\u1ec1m m\u1ea1nh \u2014 m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111\u00e3 th\u00fac \u0111\u1ea9y vi\u1ec7c t\u00ecm ki\u1ebfm c\u00e1c ch\u1ea5t h\u1ed7 tr\u1ee3 v\u00e0 ch\u1ea5t x\u00fac t\u00e1c hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1eb1ng ch\u1ee9ng th\u1ef1c nghi\u1ec7m v\u1ec1 hi\u1ec7u \u1ee9ng t\u0103ng c\u01b0\u1eddng hi\u1ec7p \u0111\u1ed3ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nghi\u00ean c\u1ee9u c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u00e3 \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c hi\u1ec7u \u1ee9ng hi\u1ec7p \u0111\u1ed3ng \u0111\u00e1ng ch\u00fa \u00fd gi\u1eefa nh\u0169 t\u01b0\u01a1ng styrene-acrylic cation v\u00e0 c\u00e1c ch\u1ea5t l\u00e0m c\u1ee9ng nh\u1ef1a th\u00f4ng ph\u00e2n t\u00e1n cation. Trong m\u1ed9t nghi\u00ean c\u1ee9u then ch\u1ed1t, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 kh\u1ea3o s\u00e1t hi\u1ec7u \u1ee9ng hi\u1ec7p \u0111\u1ed3ng n\u00e0y trong m\u1ed9t h\u1ec7 th\u1ed1ng s\u1ea3n xu\u1ea5t gi\u1ea5y c\u00f3 ch\u1ee9a canxi cacbonat 10% (t\u00ednh tr\u00ean c\u01a1 s\u1edf b\u1ed9t gi\u1ea5y s\u1ea5y l\u00f2).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quy tr\u00ecnh th\u00ed nghi\u1ec7m tuy \u0111\u01a1n gi\u1ea3n nh\u01b0ng l\u1ea1i mang l\u1ea1i nhi\u1ec1u th\u00f4ng tin h\u1eefu \u00edch: c\u00e1c t\u1ea5m gi\u1ea5y th\u1eed c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng c\u01a1 b\u1ea3n 60 g\/m\u00b2 \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb b\u1ed9t gi\u1ea5y b\u1ea1ch \u0111\u00e0n \u0111\u00e3 t\u1ea9y tr\u1eafng (\u0111\u01b0\u1ee3c nghi\u1ec1n \u0111\u1ebfn \u0111\u1ed9 m\u1ecbn 31 \u00b0SR), v\u1edbi ch\u1ea5t ph\u1ee7 h\u1ed7n h\u1ee3p \u0111\u01b0\u1ee3c th\u00eam v\u00e0o v\u1edbi li\u1ec1u l\u01b0\u1ee3ng 0,5% c\u00f9ng v\u1edbi 0,04% polyacrylamide anion (APAM) l\u00e0m ch\u1ea5t h\u1ed7 tr\u1ee3 gi\u1eef s\u1ee3i. Nh\u0169 t\u01b0\u01a1ng styrene-acrylic cationic \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, v\u00e0 hai th\u00e0nh ph\u1ea7n n\u00e0y \u0111\u01b0\u1ee3c khu\u1ea5y tr\u1ed9n c\u01a1 h\u1ecdc trong ba ph\u00fat \u0111\u1ec3 t\u1ea1o th\u00e0nh h\u1ed7n h\u1ee3p \u0111\u1ed3ng nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>K\u1ebft qu\u1ea3 th\u1eadt \u1ea5n t\u01b0\u1ee3ng.<\/strong> Khi s\u1eed d\u1ee5ng ri\u00eang ch\u1ea5t tr\u00e1ng gi\u1ea5y nh\u1ef1a th\u00f4ng ph\u00e2n t\u00e1n cation v\u1edbi li\u1ec1u l\u01b0\u1ee3ng 0,5%, gi\u1ea5y thu \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ea1t m\u1ee9c \u0111\u1ed9 tr\u00e1ng gi\u1ea5y l\u00e0 14 gi\u00e2y. Tuy nhi\u00ean, khi ch\u1ea5t tr\u00e1ng gi\u1ea5y nh\u1ef1a th\u00f4ng n\u00e0y \u0111\u01b0\u1ee3c pha tr\u1ed9n v\u1edbi nh\u0169 t\u01b0\u01a1ng styrene-acrylic cation theo t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng 9:1\u2014v\u1edbi <strong>t\u1ed5ng li\u1ec1u l\u01b0\u1ee3ng nh\u01b0 nhau<\/strong>\u2014th\u1eddi gian \u0111\u1ecbnh c\u1ee1 \u0111\u00e3 t\u0103ng v\u1ecdt l\u00ean 60 gi\u00e2y. \u0110i\u1ec1u n\u00e0y th\u1ec3 hi\u1ec7n s\u1ef1 c\u1ea3i thi\u1ec7n h\u01a1n b\u1ed1n l\u1ea7n v\u1ec1 hi\u1ec7u su\u1ea5t \u0111\u1ecbnh c\u1ee1 m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng l\u01b0\u1ee3ng h\u00f3a ch\u1ea5t ti\u00eau th\u1ee5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t \u0111i\u1ec1u \u0111\u00e1ng ch\u00fa \u00fd kh\u00f4ng k\u00e9m l\u00e0 nh\u1eadn \u0111\u1ecbnh r\u1eb1ng nh\u0169 t\u01b0\u01a1ng styrene-acrylic mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng <strong>m\u1ed9t m\u00ecnh<\/strong> kh\u00f4ng th\u1ec3 hi\u1ec7n b\u1ea5t k\u1ef3 t\u00e1c d\u1ee5ng t\u1ea1o \u0111\u1ed9 b\u00e1m d\u00ednh n\u00e0o. H\u1ed7n h\u1ee3p nh\u0169 t\u01b0\u01a1ng n\u00e0y ch\u1ec9 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t ch\u1ea5t t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1ea5t t\u1ea1o \u0111\u1ed9 b\u00e1m d\u00ednh \u0111\u1ed9c l\u1eadp \u2014 s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y nh\u1ea5n m\u1ea1nh b\u1ea3n ch\u1ea5t h\u1ee3p t\u00e1c c\u1ee7a s\u1ef1 t\u01b0\u01a1ng t\u00e1c n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n v\u1ec1 h\u1ed7n h\u1ee3p copolymer styrene-acrylic v\u00e0 c\u00e1c h\u00f3a ch\u1ea5t v\u00f4 c\u01a1 (g\u1ecdi t\u1eaft l\u00e0 WBH) v\u1edbi vai tr\u00f2 l\u00e0 ch\u1ea5t x\u00fac t\u00e1c cho nh\u0169 t\u01b0\u01a1ng nh\u1ef1a th\u00f4ng cationic (YSR) \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng \u1edf t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng m(YSR):m(WBH) = 8:2, hi\u1ec7u qu\u1ea3 tr\u00e1ng keo \u0111\u1ea1t m\u1ee9c t\u1ed1i \u01b0u, \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t <strong>C\u1ea3i ti\u1ebfn 92.6%<\/strong> so v\u1edbi ri\u00eang YSR. Khi t\u1ef7 l\u1ec7 n\u00e0y v\u01b0\u1ee3t qu\u00e1 m\u1ee9c \u0111\u00f3, vi\u1ec7c t\u0103ng th\u00eam h\u00e0m l\u01b0\u1ee3ng WBH \u0111\u00e3 d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t tr\u00e1ng keo gi\u1ea3m s\u00fat, cho th\u1ea5y s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a m\u1ed9t kho\u1ea3ng t\u1ed1i \u01b0u v\u1ec1 hi\u1ec7u \u1ee9ng hi\u1ec7p \u0111\u1ed3ng. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0, ch\u1ea5t tr\u00e1ng keo h\u1ed7n h\u1ee3p n\u00e0y th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i CaCO\u2083 r\u1ea5t t\u1ed1t, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed trong c\u00e1c \u1ee9ng d\u1ee5ng tr\u00e1ng keo b\u1eb1ng nh\u1ef1a th\u00f4ng.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng hi\u1ec3u bi\u1ebft v\u1ec1 c\u01a1 ch\u1ebf c\u1ee7a s\u1ef1 hi\u1ec7p \u0111\u1ed3ng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u1ed4n \u0111\u1ecbnh m\u1eadt \u0111\u1ed9 \u0111i\u1ec7n t\u00edch<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng ph\u00e1t hi\u1ec7n c\u01a1 ch\u1ebf quan tr\u1ecdng nh\u1ea5t li\u00ean quan \u0111\u1ebfn h\u00e0nh vi c\u1ee7a m\u1eadt \u0111\u1ed9 \u0111i\u1ec7n t\u00edch. Vi\u1ec7c b\u1ed5 sung nh\u0169 t\u01b0\u01a1ng styrene-acrylic cation v\u00e0o ch\u1ea5t l\u00e0m c\u1ee9ng nh\u1ef1a th\u00f4ng ph\u00e2n t\u00e1n cation gi\u00fap \u1ed5n \u0111\u1ecbnh m\u1eadt \u0111\u1ed9 \u0111i\u1ec7n t\u00edch c\u1ee7a h\u1ec7 h\u1ed7n h\u1ee3p trong kho\u1ea3ng pH t\u1eeb 5 \u0111\u1ebfn 7, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u c\u00e1c dao \u0111\u1ed9ng th\u01b0\u1eddng g\u1eb7p trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m c\u1ee9ng d\u1ef1a tr\u00ean nh\u1ef1a th\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n t\u00edch n\u00e0y c\u00f3 vai tr\u00f2 then ch\u1ed1t v\u00ec n\u00f3 \u0111\u1ea3m b\u1ea3o c\u00e1c t\u01b0\u01a1ng t\u00e1c t\u0129nh \u0111i\u1ec7n nh\u1ea5t qu\u00e1n gi\u1eefa ch\u1ea5t t\u1ea1o \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0 b\u1ec1 m\u1eb7t s\u1ee3i mang \u0111i\u1ec7n t\u00edch \u00e2m trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau c\u1ee7a h\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u01b0\u1edbt. Trong th\u1ef1c t\u1ebf, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 hi\u1ec7u su\u1ea5t ch\u1ea5t l\u00e0m c\u1ee9ng s\u1ebd \u1ed5n \u0111\u1ecbnh h\u01a1n b\u1ea5t ch\u1ea5p nh\u1eefng bi\u1ebfn \u0111\u1ed9ng v\u1ec1 pH, \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u01b0\u1edbc ho\u1eb7c h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n \u2014 m\u1ed9t l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 m\u00e1y gi\u1ea5y v\u1eadn h\u00e0nh v\u1edbi h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n n\u01b0\u1edbc kh\u00e9p k\u00edn v\u00e0 t\u1ef7 l\u1ec7 t\u00e1i tu\u1ea7n ho\u00e0n n\u01b0\u1edbc th\u1ea3i cao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. T\u0103ng c\u01b0\u1eddng t\u00ednh k\u1ef5 n\u01b0\u1edbc c\u1ee7a m\u00e0ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ed7n h\u1ee3p c\u00f3 t\u00e1c d\u1ee5ng hi\u1ec7p \u0111\u1ed3ng n\u00e0y c\u0169ng t\u1ea1o ra c\u00e1c m\u00e0ng c\u00f3 t\u00ednh k\u1ef5 n\u01b0\u1edbc cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c m\u00e0ng \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh ch\u1ec9 b\u1eb1ng ch\u1ea5t l\u00e0m c\u1ee9ng t\u1eeb nh\u1ef1a th\u00f4ng. C\u00e1c ph\u00e9p \u0111o g\u00f3c ti\u1ebfp x\u00fac, \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch \u0111\u00fac c\u00e1c m\u00e0ng t\u1eeb h\u1ed7n h\u1ee3p nh\u0169 t\u01b0\u01a1ng l\u00ean c\u00e1c lam k\u00ednh s\u1ea1ch, \u0111\u00e3 x\u00e1c nh\u1eadn r\u1eb1ng h\u1ec7 th\u1ed1ng h\u1ed7n h\u1ee3p n\u00e0y t\u1ea1o ra b\u1ec1 m\u1eb7t m\u00e0ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh k\u1ef5 n\u01b0\u1edbc \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng n\u00e0y xu\u1ea5t ph\u00e1t t\u1eeb c\u1ea5u tr\u00fac ph\u00e2n t\u1eed b\u1ed5 sung l\u1eabn nhau c\u1ee7a hai th\u00e0nh ph\u1ea7n. Copolymer styrene-acrylic \u0111\u00f3ng g\u00f3p m\u1ed9t khung ch\u00ednh k\u1ef5 n\u01b0\u1edbc v\u1edbi t\u00ednh ch\u1ea5t t\u1ea1o m\u00e0ng xu\u1ea5t s\u1eafc, trong khi th\u00e0nh ph\u1ea7n nh\u1ef1a th\u00f4ng cung c\u1ea5p c\u00e1c c\u1ea5u tr\u00fac v\u00f2ng nh\u1ef1a th\u00f4ng k\u1ef5 n\u01b0\u1edbc \u0111\u1eb7c tr\u01b0ng, c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn, v\u1ed1n \u0111\u01b0\u1ee3c li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd b\u00ean trong m\u1ea1ng polymer cationic. Khi k\u1ebft h\u1ee3p, c\u00e1c c\u1ea5u tr\u00fac n\u00e0y t\u1ea1o ra m\u1ed9t l\u1edbp r\u00e0o c\u1ea3n k\u1ef5 n\u01b0\u1edbc d\u00e0y \u0111\u1eb7c v\u00e0 li\u00ean t\u1ee5c h\u01a1n tr\u00ean b\u1ec1 m\u1eb7t s\u1ee3i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. H\u1ea5p ph\u1ee5 t\u0129nh \u0111i\u1ec7n v\u00e0 gi\u1eef l\u1ea1i b\u1eb1ng s\u1ee3i<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh ch\u1ea5t cation c\u1ee7a c\u1ea3 hai th\u00e0nh ph\u1ea7n l\u00e0 y\u1ebfu t\u1ed1 c\u01a1 b\u1ea3n t\u1ea1o n\u00ean hi\u1ec7u \u1ee9ng hi\u1ec7p \u0111\u1ed3ng. C\u00e1c s\u1ee3i gi\u1ea5y mang \u0111i\u1ec7n t\u00edch \u00e2m r\u00f2ng trong huy\u1ec1n ph\u00f9 n\u01b0\u1edbc \u2014 \u0111\u00e2y l\u00e0 h\u1ec7 qu\u1ea3 c\u1ee7a s\u1ef1 ph\u00e2n ly c\u00e1c nh\u00f3m carboxyl tr\u00ean cellulose. C\u00e1c h\u1ea1t nh\u0169 t\u01b0\u01a1ng styrene-acrylic mang t\u00ednh cation, c\u00f3 \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng, s\u1ebd t\u1ef1 \u0111\u1ed9ng h\u1ea5p ph\u1ee5 l\u00ean b\u1ec1 m\u1eb7t c\u00e1c s\u1ee3i mang \u0111i\u1ec7n t\u00edch \u00e2m n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi ch\u1ea5t t\u1ea9m nh\u1ef1a th\u00f4ng cation, c\u00e1c h\u1ea1t nh\u0169 t\u01b0\u01a1ng s\u1ebd \u201cneo gi\u1eef\u201d th\u00e0nh ph\u1ea7n nh\u1ef1a th\u00f4ng v\u00e0o b\u1ec1 m\u1eb7t s\u1ee3i m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 th\u00f4ng qua s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa l\u1ef1c h\u00fat t\u0129nh \u0111i\u1ec7n v\u00e0 li\u00ean k\u1ebft k\u1ef5 n\u01b0\u1edbc. C\u01a1 ch\u1ebf neo gi\u1eef k\u00e9p n\u00e0y gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng gi\u1eef l\u1ea1i ch\u1ea5t t\u1ea9m tr\u00ean s\u1ee3i, t\u1eeb \u0111\u00f3 gi\u1ea3m l\u01b0\u1ee3ng ch\u1ea5t t\u1ea9m c\u00f3 th\u1ec3 b\u1ecb th\u1ea5t tho\u00e1t v\u00e0o h\u1ec7 th\u1ed1ng n\u01b0\u1edbc th\u1ea3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01a1n n\u1eefa, nh\u0169 t\u01b0\u01a1ng cationic c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t ch\u1ea5t nh\u0169 h\u00f3a cho nh\u1ef1a th\u00f4ng, t\u1eeb \u0111\u00f3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n ph\u00e1t tri\u1ec3n c\u00e1c ch\u1ea5t tr\u00e1ng l\u00f3t b\u00ean trong c\u00f3 hi\u1ec7u qu\u1ea3 cao <strong>kh\u00f4ng th\u00eam sunfat nh\u00f4m<\/strong>. Kh\u1ea3 n\u0103ng n\u00e0y \u0111\u00e1nh d\u1ea5u m\u1ed9t b\u01b0\u1edbc ti\u1ebfn \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t gi\u1ea5y \u0111ang t\u00ecm c\u00e1ch lo\u1ea1i b\u1ecf ph\u00e8n kh\u1ecfi quy tr\u00ecnh h\u00f3a h\u1ecdc \u1edf ph\u1ea7n \u01b0\u1edbt \u2014 gi\u00fap gi\u1ea3m s\u1ef1 \u0103n m\u00f2n thi\u1ebft b\u1ecb, h\u1ea1n ch\u1ebf t\u1ed1i \u0111a s\u1ef1 h\u00ecnh th\u00e0nh b\u00f9n th\u1ea3i v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng th\u1ef1c ti\u1ec5n v\u00e0 ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u01a1 ch\u1ebf hi\u1ec7p \u0111\u1ed3ng \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 \u1edf tr\u00ean \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng v\u00e0o c\u00e1c c\u00f4ng th\u1ee9c s\u1ea3n ph\u1ea9m c\u00f3 kh\u1ea3 n\u0103ng th\u01b0\u01a1ng m\u1ea1i h\u00f3a. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c monome nh\u01b0 styrene (St), butyl acrylate (BA), acrylamide (AM) v\u00e0 diallyldimethyl ammonium chloride (DADMAC), c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c c\u00e1c nh\u0169 t\u01b0\u01a1ng styrene-acrylic cation b\u1eadc b\u1ed1n v\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng c\u00e1c th\u00f4ng s\u1ed1 t\u1ed5ng h\u1ee3p \u2014 bao g\u1ed3m t\u1ef7 l\u1ec7 monome, n\u1ed3ng \u0111\u1ed9 monome, li\u1ec1u l\u01b0\u1ee3ng ch\u1ea5t kh\u1edfi \u0111\u1ed9ng, li\u1ec1u l\u01b0\u1ee3ng ch\u1ea5t nh\u0169 h\u00f3a, nhi\u1ec7t \u0111\u1ed9 ph\u1ea3n \u1ee9ng, ph\u01b0\u01a1ng ph\u00e1p n\u1ea1p nguy\u00ean li\u1ec7u v\u00e0 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a isopropanol. C\u00e1c nghi\u00ean c\u1ee9u t\u1ed1i \u01b0u h\u00f3a n\u00e0y \u0111\u00e3 l\u00e0m s\u00e1ng t\u1ecf c\u00e1c t\u00e1c \u0111\u1ed9ng l\u00ean \u0111\u1ed9 chuy\u1ec3n h\u00f3a monome, m\u1eadt \u0111\u1ed9 \u0111i\u1ec7n t\u00edch cation, ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a nh\u0169 t\u01b0\u01a1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nh\u0169 t\u01b0\u01a1ng styrene-acrylic mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng thu \u0111\u01b0\u1ee3c \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng th\u00e0nh c\u00f4ng trong c\u1ea3 <strong>x\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/strong> v\u00e0 <strong>\u0111o k\u00edch th\u01b0\u1edbc b\u00ean trong<\/strong> \u1ee9ng d\u1ee5ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc b\u1ec1 m\u1eb7t<\/strong>: Khi k\u1ebft h\u1ee3p v\u1edbi ch\u1ea5t h\u1ed7 tr\u1ee3 tr\u00e1ng b\u1ec1 m\u1eb7t, nh\u0169 t\u01b0\u01a1ng cationic t\u1ea1o ra m\u1ed9t lo\u1ea1i ch\u1ea5t tr\u00e1ng b\u1ec1 m\u1eb7t m\u1edbi, gi\u00fap \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 c\u1ea3 \u0111\u1ed9 ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc l\u1eabn \u0111\u1ed9 b\u1ec1n n\u00e9n v\u00f2ng. Kh\u1ea3 n\u0103ng hai trong m\u1ed9t n\u00e0y \u0111\u1eb7c bi\u1ec7t c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i gi\u1ea5y d\u00f9ng trong \u0111\u00f3ng g\u00f3i nh\u01b0 gi\u1ea5y l\u00f3t, gi\u1ea5y l\u00f5i s\u00f3ng v\u00e0 gi\u1ea5y kraft m\u1eb7t tr\u1eafng.<\/li>\n\n\n\n<li><strong>X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc b\u00ean trong<\/strong>: Khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t nh\u0169 h\u00f3a cho nh\u1ef1a th\u00f4ng \u2014 k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf ch\u1ea5t h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh tr\u00e1ng keo \u2014 nh\u0169 t\u01b0\u01a1ng cationic cho ph\u00e9p ph\u00e1t tri\u1ec3n c\u00e1c ch\u1ea5t tr\u00e1ng keo b\u00ean trong c\u00f3 hi\u1ec7u qu\u1ea3 cao trong <strong>ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 sunfat nh\u00f4m<\/strong>. S\u1ef1 \u0111\u1ed5i m\u1edbi n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi xu h\u01b0\u1edbng chung c\u1ee7a ng\u00e0nh h\u01b0\u1edbng t\u1edbi s\u1ea3n xu\u1ea5t gi\u1ea5y kh\u00f4ng ch\u1ee9a ph\u00e8n v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng t\u00e1c \u0111\u1ed9ng \u0111\u1ed1i v\u1edbi ng\u00e0nh c\u00f4ng nghi\u1ec7p gi\u1ea5y to\u00e0n c\u1ea7u<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 k\u1ebft h\u1ee3p hi\u1ec7p \u0111\u1ed3ng gi\u1eefa nh\u0169 t\u01b0\u01a1ng styrene-acrylic cationic v\u1edbi c\u00e1c ch\u1ea5t l\u00e0m c\u1ee9ng t\u1eeb nh\u1ef1a th\u00f4ng ph\u00e2n t\u00e1n mang l\u1ea1i nh\u1eefng l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t gi\u1ea5y tr\u00ean to\u00e0n th\u1ebf gi\u1edbi:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Hi\u1ec7u qu\u1ea3 chi ph\u00ed<\/strong>: S\u1ef1 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 v\u1ec1 hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd keo \u2014 cao h\u01a1n t\u1edbi 92,61 TP3T so v\u1edbi vi\u1ec7c ch\u1ec9 s\u1eed d\u1ee5ng nh\u1ef1a th\u00f4ng \u2014 c\u00f3 ngh\u0129a l\u00e0 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t gi\u1ea5y c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c keo m\u1ee5c ti\u00eau v\u1edbi li\u1ec1u l\u01b0\u1ee3ng h\u00f3a ch\u1ea5t th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m tr\u1ef1c ti\u1ebfp chi ph\u00ed nguy\u00ean li\u1ec7u th\u00f4 v\u00e0 gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng h\u00f3a ch\u1ea5t th\u1ea3i v\u00e0o h\u1ec7 th\u1ed1ng n\u01b0\u1edbc th\u1ea3i c\u1ee7a m\u00e1y l\u00e0m gi\u1ea5y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u00ednh linh ho\u1ea1t trong ho\u1ea1t \u0111\u1ed9ng<\/strong>: Hi\u1ec7u \u1ee9ng \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n t\u00edch trong kho\u1ea3ng pH 5\u20137 gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u00e1c bi\u1ebfn \u0111\u1ed9ng trong quy tr\u00ecnh, cho ph\u00e9p c\u00e1c nh\u00e0 m\u00e1y v\u1eadn h\u00e0nh v\u1edbi h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n CaCO\u2083 cao h\u01a1n v\u00e0 s\u1eed d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng n\u01b0\u1edbc kh\u00e9p k\u00edn h\u01a1n m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t t\u1ea1o l\u1edbp ph\u1ee7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L\u1ee3i \u00edch \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng<\/strong>: Kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf ho\u1eb7c gi\u1ea3m \u0111\u00e1ng k\u1ec3 vi\u1ec7c s\u1eed d\u1ee5ng ph\u00e8n gi\u00fap gi\u1ea3m t\u1ea3i l\u01b0\u1ee3ng axit l\u00ean c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a m\u00e1y s\u1ea3n xu\u1ea5t gi\u1ea5y, gi\u1ea3m l\u01b0\u1ee3ng b\u00f9n th\u1ea3i sinh ra v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. T\u00ednh ch\u1ea5t cation c\u1ee7a h\u1ec7 th\u1ed1ng n\u00e0y c\u00f2n gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gi\u1eef ch\u1ea5t, t\u1eeb \u0111\u00f3 gi\u1ea3m l\u01b0\u1ee3ng h\u00f3a ch\u1ea5t l\u00e0m c\u1ee9ng b\u1ecb th\u1ea5t tho\u00e1t v\u00e0o n\u01b0\u1edbc th\u1ea3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m<\/strong>: C\u00e1c lo\u1ea1i gi\u1ea5y \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1ec1 m\u1eb7t b\u1eb1ng h\u1ed7n h\u1ee3p c\u00f3 t\u00e1c d\u1ee5ng hi\u1ec7p \u0111\u1ed3ng n\u00e0y th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc v\u01b0\u1ee3t tr\u1ed9i, \u0111\u1ed9 b\u1ec1n b\u1ec1 m\u1eb7t cao h\u01a1n v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed9 b\u1ec1n n\u00e9n v\u00f2ng \u2014 so v\u1edbi c\u00e1c lo\u1ea1i gi\u1ea5y \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1ec1 m\u1eb7t b\u1eb1ng c\u00e1c h\u1ec7 th\u1ed1ng th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 t\u01b0\u01a1ng t\u00e1c hi\u1ec7p \u0111\u1ed3ng gi\u1eefa nh\u0169 t\u01b0\u01a1ng styrene-acrylic cation v\u00e0 c\u00e1c ch\u1ea5t l\u00e0m c\u1ee9ng nh\u1ef1a th\u00f4ng ph\u00e2n t\u00e1n cation \u0111\u00e1nh d\u1ea5u m\u1ed9t b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng trong h\u00f3a h\u1ecdc s\u1ea3n xu\u1ea5t gi\u1ea5y. C\u01a1 ch\u1ebf n\u00e0y ho\u1ea1t \u0111\u1ed9ng th\u00f4ng qua nhi\u1ec1u con \u0111\u01b0\u1eddng b\u1ed5 sung l\u1eabn nhau: \u1ed5n \u0111\u1ecbnh m\u1eadt \u0111\u1ed9 \u0111i\u1ec7n t\u00edch trong ph\u1ea1m vi pH quan tr\u1ecdng, h\u00ecnh th\u00e0nh c\u00e1c l\u1edbp m\u00e0ng k\u1ef5 n\u01b0\u1edbc h\u01a1n tr\u00ean b\u1ec1 m\u1eb7t s\u1ee3i gi\u1ea5y, v\u00e0 t\u0103ng c\u01b0\u1eddng s\u1ef1 h\u1ea5p ph\u1ee5 t\u0129nh \u0111i\u1ec7n, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gi\u1eef s\u1ee3i v\u00e0 lo\u1ea1i b\u1ecf nhu c\u1ea7u s\u1eed d\u1ee5ng ph\u00e8n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c b\u1eb1ng ch\u1ee9ng \u0111\u1ecbnh l\u01b0\u1ee3ng cho th\u1ea5y vi\u1ec7c pha tr\u1ed9n hai th\u00e0nh ph\u1ea7n cation n\u00e0y theo t\u1ef7 l\u1ec7 t\u1ed1i \u01b0u \u2014 th\u01b0\u1eddng l\u00e0 9:1 ho\u1eb7c 8:2 \u2014 c\u00f3 th\u1ec3 l\u00e0m t\u0103ng m\u1ee9c \u0111\u1ed9 ph\u1ee7 l\u00ean g\u1ea5p b\u1ed1n l\u1ea7n ho\u1eb7c h\u01a1n so v\u1edbi vi\u1ec7c ch\u1ec9 s\u1eed d\u1ee5ng nh\u1ef1a th\u00f4ng. S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y gi\u00fap gi\u1ea3m chi ph\u00ed, t\u0103ng t\u00ednh linh ho\u1ea1t trong v\u1eadn h\u00e0nh, c\u1ea3i thi\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m \u2014 nh\u1eefng l\u1ee3i \u00edch ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng khi ng\u00e0nh c\u00f4ng nghi\u1ec7p ti\u1ebfp t\u1ee5c chuy\u1ec3n \u0111\u1ed5i sang quy tr\u00ecnh s\u1ea3n xu\u1ea5t gi\u1ea5y trung t\u00ednh\/ki\u1ec1m v\u1edbi h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n cao v\u00e0 h\u1ec7 th\u1ed1ng n\u01b0\u1edbc kh\u00e9p k\u00edn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 m\u00e1y gi\u1ea5y mong mu\u1ed1n t\u1ed1i \u01b0u h\u00f3a c\u00f4ng th\u1ee9c h\u00f3a ch\u1ea5t \u1edf ph\u1ea7n \u01b0\u1edbt, gi\u1ea3m chi ph\u00ed h\u00f3a ch\u1ea5t v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m, s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa ch\u1ea5t l\u00e0m c\u1ee9ng cationic styrene-acrylic v\u00e0 nh\u1ef1a th\u00f4ng mang l\u1ea1i m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh v\u00e0 c\u00f3 c\u01a1 s\u1edf nghi\u00ean c\u1ee9u, ph\u00f9 h\u1ee3p v\u1edbi c\u1ea3 m\u1ee5c ti\u00eau kinh t\u1ebf l\u1eabn m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><em>C\u00f4ng ty TNHH LY Chem Technology cung c\u1ea5p d\u00f2ng s\u1ea3n ph\u1ea9m to\u00e0n di\u1ec7n g\u1ed3m c\u00e1c nh\u0169 t\u01b0\u01a1ng styrene-acrylic cationic v\u00e0 c\u00e1c ch\u1ea5t l\u00e0m c\u1ee9ng t\u1eeb nh\u1ef1a th\u00f4ng ph\u00e2n t\u00e1n, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1eadn d\u1ee5ng c\u01a1 ch\u1ebf hi\u1ec7p \u0111\u1ed3ng n\u00e0y. C\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec1u \u0111\u1ea1t c\u00e1c ch\u1ee9ng nh\u1eadn FDA, SGS v\u00e0 RoHS, \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a c\u00e1c th\u1ecb tr\u01b0\u1eddng xu\u1ea5t kh\u1ea9u t\u1ea1i \u0110\u00f4ng Nam \u00c1, Trung \u0110\u00f4ng v\u00e0 Ch\u00e2u Phi. \u0110\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt ho\u1eb7c nh\u1eadn m\u1eabu s\u1ea3n ph\u1ea9m, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 chuy\u00ean tr\u00e1ch h\u00f3a ch\u1ea5t gi\u1ea5y c\u1ee7a ch\u00fang t\u00f4i.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Synergistic Mechanism of Cationic Styrene-Acrylic Emulsion and Dispersed Rosin Sizing Agent in Papermaking Systems Introduction &#8230; <a title=\"C\u01a1 ch\u1ebf hi\u1ec7p \u0111\u1ed3ng gi\u1eefa nh\u0169 t\u01b0\u01a1ng styrene-acrylic mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng v\u00e0 ch\u1ea5t l\u00e0m c\u1ee9ng nh\u1ef1a th\u00f4ng ph\u00e2n t\u00e1n trong h\u1ec7 th\u1ed1ng s\u1ea3n xu\u1ea5t gi\u1ea5y\" class=\"read-more\" href=\"https:\/\/lypaperchem.com\/vi\/synergistic-mechanism-of-cationic-styrene-acrylic-emulsion-and-dispersed-rosin-sizing-agent-in-papermaking-systems\/\" aria-label=\"\u0110\u1ecdc th\u00eam v\u1ec1 Synergistic Mechanism of Cationic Styrene-Acrylic Emulsion and Dispersed Rosin Sizing Agent in Papermaking Systems\">\u0110\u1ecdc th\u00eam<\/a><\/p>","protected":false},"author":1,"featured_media":1137,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-1259","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-insights","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33"],"_links":{"self":[{"href":"https:\/\/lypaperchem.com\/vi\/wp-json\/wp\/v2\/posts\/1259","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lypaperchem.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lypaperchem.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lypaperchem.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lypaperchem.com\/vi\/wp-json\/wp\/v2\/comments?post=1259"}],"version-history":[{"count":1,"href":"https:\/\/lypaperchem.com\/vi\/wp-json\/wp\/v2\/posts\/1259\/revisions"}],"predecessor-version":[{"id":1260,"href":"https:\/\/lypaperchem.com\/vi\/wp-json\/wp\/v2\/posts\/1259\/revisions\/1260"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lypaperchem.com\/vi\/wp-json\/wp\/v2\/media\/1137"}],"wp:attachment":[{"href":"https:\/\/lypaperchem.com\/vi\/wp-json\/wp\/v2\/media?parent=1259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lypaperchem.com\/vi\/wp-json\/wp\/v2\/categories?post=1259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lypaperchem.com\/vi\/wp-json\/wp\/v2\/tags?post=1259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}