{"id":3720,"date":"2026-03-06T14:04:42","date_gmt":"2026-03-06T06:04:42","guid":{"rendered":"https:\/\/www.nonmetallic-ore.com\/?p=3720"},"modified":"2026-03-06T15:07:19","modified_gmt":"2026-03-06T07:07:19","slug":"application-of-high-performance-calcium-carbonate-in-plastic-films","status":"publish","type":"post","link":"https:\/\/www.nonmetallic-ore.com\/vi\/application-of-high-performance-calcium-carbonate-in-plastic-films\/","title":{"rendered":"\u1ee8ng d\u1ee5ng Canxi Cacbonat hi\u1ec7u n\u0103ng cao trong m\u00e0ng nh\u1ef1a"},"content":{"rendered":"

M\u00e0ng nh\u1ef1a<\/a> M\u00e0ng nh\u1ef1a ch\u1ee7 y\u1ebfu \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c v\u1eadt li\u1ec7u m\u1ecfng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb nh\u1ef1a n\u1ec1n nh\u01b0 PP, PVC, PE, PET, PA. C\u00e1c lo\u1ea1i m\u00e0ng n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u \u1ee9ng d\u1ee5ng bao b\u00ec m\u1ec1m ho\u1eb7c l\u00e0m l\u1edbp m\u00e0ng gh\u00e9p trong v\u1eadt li\u1ec7u composite gi\u1ea5y-nh\u1ef1a. Ch\u00fang \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, bao g\u1ed3m bao b\u00ec, \u0111i\u1ec7n t\u1eed, d\u01b0\u1ee3c ph\u1ea9m, h\u00f3a ch\u1ea5t v\u00e0 th\u1ef1c ph\u1ea9m. Canxi cacbonat (CaCO\u2083) ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n trong m\u00e0ng nh\u1ef1a. Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 gi\u1ea3m chi ph\u00ed nguy\u00ean li\u1ec7u th\u00f4.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

1. \u1ee8ng d\u1ee5ng Canxi Cacbonat trong M\u00e0ng Nh\u1ef1a<\/h2>\n\n\n\n

Ngo\u00e0i vi\u1ec7c ti\u1ebft ki\u1ec7m chi ph\u00ed, n\u00f3 c\u00f2n c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd nh\u01b0 t\u0103ng \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t. N\u00f3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc b\u1eb1ng c\u00e1ch gi\u1ea3m s\u1ef1 co r\u00fat m\u00e0ng trong qu\u00e1 tr\u00ecnh gia c\u00f4ng v\u00e0 s\u1eed d\u1ee5ng. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a c\u00e1c \u0111\u1eb7c t\u00ednh gia c\u00f4ng b\u1eb1ng c\u00e1ch t\u0103ng c\u01b0\u1eddng t\u00ednh l\u01b0u bi\u1ebfn v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng d\u00ednh, th\u1eadm ch\u00ed t\u0103ng \u0111\u1ed9 tr\u1eafng v\u00e0 \u0111\u1ed9 m\u1edd \u0111\u1ee5c. H\u01a1n n\u1eefa, n\u00f3 c\u00f3 th\u1ec3 \u0111\u00f3ng g\u00f3p v\u00e0o l\u1ee3i \u00edch m\u00f4i tr\u01b0\u1eddng. Vi\u1ec7c b\u1ed5 sung canxi cacbonat c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

2. \u1ee8ng d\u1ee5ng Canxi Cacbonat trong m\u00e0ng Polyolefin<\/h2>\n\n\n\n

Polyetylen (PE)<\/h3>\n\n\n\n

M\u00e0ng polyetylen vi x\u1ed1p tho\u00e1ng kh\u00ed l\u00e0 m\u1ed9t th\u1ecb tr\u01b0\u1eddng c\u00f3 gi\u00e1 tr\u1ecb cao \u0111\u1ed1i v\u1edbi canxi cacbonat. Ch\u00fang r\u1ea5t c\u1ea7n thi\u1ebft trong y t\u1ebf c\u00f4ng c\u1ed9ng, v\u1eadt t\u01b0 y t\u1ebf v\u00e0 bao b\u00ec th\u1ef1c ph\u1ea9m.<\/p>\n\n\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u nh\u01b0 Yuan Guangsheng \u0111\u00e3 t\u1ed1i \u01b0u h\u00f3a m\u00e0ng PE tho\u00e1ng kh\u00ed b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng canxi cacbonat l\u00e0m ch\u1ea5t t\u1ea1o l\u1ed7 x\u1ed1p. Vi\u1ec7c t\u0103ng h\u00e0m l\u01b0\u1ee3ng CaCO\u2083 t\u1eeb 30% l\u00ean 50% \u0111\u00e3 l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 x\u1ed1p c\u1ee7a m\u00e0ng t\u1eeb 27,3% l\u00ean 47,2%. M\u1eb7c d\u00f9 \u0111\u1ed9 b\u1ec1n k\u00e9o gi\u1ea3m \u0111i 10%, s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i n\u00e0y \u0111\u00e3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng th\u1ea5m kh\u00ed. Nghi\u00ean c\u1ee9u c\u0169ng cho th\u1ea5y r\u1eb1ng ch\u1ea5t \u0111\u00e0n h\u1ed3i polyolefin (POE) 15% \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n mang l\u1ea1i hi\u1ec7u qu\u1ea3 t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n

Nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n c\u1ee7a Zeng Huiwen \u0111\u00e3 kh\u00e1m ph\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a k\u00edch th\u01b0\u1edbc h\u1ea1t CaCO\u2083. S\u1eed d\u1ee5ng CaCO\u2083 c\u00f3 k\u00edch th\u01b0\u1edbc 1250 mesh t\u1ea1o ra t\u1ef7 l\u1ec7 truy\u1ec1n O\u2082\/CO\u2082 l\u00fd t\u01b0\u1edfng. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn kh\u1ea3 n\u0103ng b\u1ea3o qu\u1ea3n \u0111\u1ed9 t\u01b0\u01a1i v\u01b0\u1ee3t tr\u1ed9i. Chu\u1ed1i \u0111\u01b0\u1ee3c b\u1ecdc trong m\u00e0ng n\u00e0y gi\u1eef \u0111\u01b0\u1ee3c m\u00e0u xanh trong 22 ng\u00e0y v\u1edbi \u0111\u1ed9 h\u01b0 h\u1ecfng t\u1ed1i thi\u1ec3u.<\/p>\n\n\n\n

Polyvinyl clorua (PVC)<\/h3>\n\n\n\n

Polyvinyl clorua (PVC) l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t v\u00e0 c\u00f3 s\u1ea3n l\u01b0\u1ee3ng cao nh\u1ea5t trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. N\u00f3 mang l\u1ea1i nhi\u1ec1u \u01b0u \u0111i\u1ec3m, bao g\u1ed3m kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y tuy\u1ec7t v\u1eddi, c\u00e1ch \u0111i\u1ec7n, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 gi\u00e1 th\u00e0nh th\u1ea5p, d\u1eabn \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, thanh \u0111\u1ecbnh h\u00ecnh v\u00e0 d\u00e2y d\u1eabn.<\/p>\n\n\n\n

Tuy nhi\u00ean, PVC c\u00f3 \u0111\u1ed9 gi\u00f2n \u0111\u00e1ng k\u1ec3 trong qu\u00e1 tr\u00ecnh gia c\u00f4ng v\u00e0 c\u1ea7n ph\u1ea3i tr\u1ea3i qua c\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd nh\u01b0 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 l\u00e0m c\u1ee9ng tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng. Vi\u1ec7c th\u00eam m\u1ed9t l\u01b0\u1ee3ng canxi cacbonat th\u00edch h\u1ee3p trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd PVC c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 d\u1ebbo dai, \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng, \u0111\u1ed3ng th\u1eddi gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed s\u1ea3n xu\u1ea5t v\u1eadt li\u1ec7u PVC.<\/p>\n\n\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u nh\u01b0 Wu Weibin \u0111\u00e3 nghi\u00ean c\u1ee9u hai lo\u1ea1i canxi cacbonat si\u00eau m\u1ecbn\u2014GY-716 v\u00e0 GY-716A\u2014\u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua nghi\u1ec1n bi kh\u00f4<\/a><\/strong><\/mark>H\u1ecd \u0111\u00e3 so s\u00e1nh nh\u1eefng ch\u1ea5t n\u00e0y v\u1edbi ba lo\u1ea1i canxi cacbonat th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e0ng PVC c\u00e1n: canxi cacbonat si\u00eau m\u1ecbn x\u1eed l\u00fd \u01b0\u1edbt, canxi cacbonat nano (CCR-1) v\u00e0 canxi cacbonat k\u1ebft t\u1ee7a. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 xem x\u00e9t \u1ea3nh h\u01b0\u1edfng c\u1ee7a t\u1eebng lo\u1ea1i trong n\u0103m lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y \u0111\u1ebfn \u0111\u1ed9 tr\u1eafng, \u0111\u1ed9 b\u1ec1n k\u00e9o, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 \u0111\u1ed9 m\u1edd \u0111\u1ee5c c\u1ee7a m\u00e0ng PVC.<\/p>\n\n\n\n

\"M\u00e1y<\/figure>\n\n\n\n

K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y m\u00e0ng phim \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb GY-716 v\u00e0 GY-716A c\u00f3 \u0111\u1ed9 tr\u1eafng v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, ho\u1eb7c th\u1eadm ch\u00ed t\u1ed1t h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi ba l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i. V\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, c\u1ea3 GY-716 v\u00e0 GY-716A \u0111\u1ec1u v\u01b0\u1ee3t tr\u1ed9i h\u01a1n c\u00e1c s\u1ea3n ph\u1ea9m th\u01b0\u01a1ng m\u1ea1i. M\u1eb7c d\u00f9 \u0111\u1ed9 m\u1edd \u0111\u1ee5c c\u1ee7a ch\u00fang th\u1ea5p h\u01a1n so v\u1edbi canxi cacbonat si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbt, nh\u01b0ng v\u1eabn t\u1ed1t h\u01a1n so v\u1edbi canxi cacbonat nano (CCR-1) v\u00e0 canxi cacbonat k\u1ebft t\u1ee7a. \u0110\u1eb7c bi\u1ec7t, GY-716A \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1edd \u0111\u1ee5c g\u1ea7n b\u1eb1ng s\u1ea3n ph\u1ea9m si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbt.<\/p>\n\n\n\n

Polypropylen (PP)<\/h3>\n\n\n\n

Vai tr\u00f2 ch\u00ednh c\u1ee7a canxi cacbonat trong m\u00e0ng polypropylen l\u00e0 gi\u1ea3m chi ph\u00ed, c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc.
C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u nh\u01b0 Lei Zubi \u0111\u00e3 so s\u00e1nh t\u00e1c \u0111\u1ed9ng c\u1ee7a ba ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1\u2014b\u1ed9t si\u00eau m\u1ecbn m\u1edbi, b\u1ed9t talc v\u00e0 canxi cacbonat\u2014l\u00ean c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a polypropylen. Khi h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n \u0111\u1ea1t 35 phr, v\u1eadt li\u1ec7u PP ch\u1ee9a canxi cacbonat th\u1ec3 hi\u1ec7n \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t cao nh\u1ea5t, ti\u1ebfp theo l\u00e0 PP ch\u1ee9a b\u1ed9t si\u00eau m\u1ecbn, trong khi PP ch\u1ee9a b\u1ed9t talc cho gi\u00e1 tr\u1ecb th\u1ea5p nh\u1ea5t.<\/p>\n\n\n\n

Canxi cacbonat mang l\u1ea1i ti\u1ec1m n\u0103ng ch\u01b0a \u0111\u01b0\u1ee3c khai th\u00e1c cho c\u00e1c \u1ee9ng d\u1ee5ng polypropylen (PP) ti\u00ean ti\u1ebfn. Ngu\u1ed3n g\u1ed1c c\u1ee7a qu\u1eb7ng canxi cacbonat c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u nh\u01b0 Ai Qing \u0111\u00e3 ch\u1ee9ng minh \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch th\u1eed nghi\u1ec7m b\u1ed1n lo\u1ea1i canxi cacbonat si\u00eau m\u1ecbn t\u1eeb c\u00e1c qu\u1eb7ng kh\u00e1c nhau trong ma tr\u1eadn PP. K\u1ebft qu\u1ea3 r\u1ea5t r\u00f5 r\u00e0ng: Canxi cacbonat c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb canxit k\u00edch th\u01b0\u1edbc l\u1edbn mang l\u1ea1i hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i. N\u00f3 c\u00f3 \u0111\u1ed9 tr\u1eafng cao, \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 c\u00e1c h\u1ea1t \u0111\u1ed3ng nh\u1ea5t. Do \u0111\u00f3, v\u1eadt li\u1ec7u composite PP th\u1ec3 hi\u1ec7n \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i t\u1ed1t h\u01a1n. N\u00f3 c\u0169ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t cao h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng l\u01b0u \u0111\u1ed9ng khi gia c\u00f4ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n\n\n\n

Tuy nhi\u00ean, c\u0169ng c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf. \u0110\u1ed9 b\u1ec1n va \u0111\u1eadp v\u00e0 \u0111\u1ed9 b\u1ec1n u\u1ed1n c\u1ee7a n\u00f3 th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u composite s\u1eed d\u1ee5ng cacbonat t\u1eeb canxit nh\u1ecf ho\u1eb7c \u0111\u00e1 c\u1ea9m th\u1ea1ch.<\/p>\n\n\n\n

B\u1ea3ng 1: \u1ea2nh h\u01b0\u1edfng c\u1ee7a c\u00e1c ngu\u1ed3n qu\u1eb7ng canxi cacbonat kh\u00e1c nhau \u0111\u1ebfn t\u00ednh ch\u1ea5t c\u1ee7a polypropylen<\/h3>\n\n\n\n
PP+20% CC<\/td>Ch\u1ec9 s\u1ed1 n\u00f3ng ch\u1ea3y (g\/10 ph\u00fat)<\/td>\u0110\u1ed9 c\u1ee9ng Shore (HD)<\/td>Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang (g\/cm\u00b3)<\/td>Nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng do nhi\u1ec7t (\u2103)<\/td>\u0110\u1ed9 b\u1ec1n k\u00e9o (MPa)<\/td>\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t (%)<\/td>\u0110\u1ed9 b\u1ec1n u\u1ed1n (MPa)<\/td><\/tr>
Canxit l\u1edbn<\/td>9.06<\/td>14.12<\/td>1.017<\/td>96.8<\/td>34.68<\/td>53.85<\/td>59.21<\/td><\/tr>
\u0110\u00e1 c\u1ea9m th\u1ea1ch<\/td>8.03<\/td>21.12<\/td>1.029<\/td>88.6<\/td>31.9<\/td>49.91<\/td>62.74<\/td><\/tr>
Canxit nh\u1ecf<\/td>7.64<\/td>21.76<\/td>1.060<\/td>89.2<\/td>32.37<\/td>51.46<\/td>61.23<\/td><\/tr>
Dolomit<\/td>8.03<\/td>20.36<\/td>1.033<\/td>96.3<\/td>30.39<\/td>28.68<\/td>59.07<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

H\u01a1n n\u1eefa, c\u00e1c lo\u1ea1i b\u1ed9t canxi cacbonat kh\u00e1c nhau\u2014nh\u01b0 canxi cacbonat nano, canxi cacbonat nghi\u1ec1n (GCC) v\u00e0 canxi cacbonat k\u1ebft t\u1ee7a (PCC)\u2014v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau, th\u1ec3 hi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh ri\u00eang bi\u1ec7t khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n c\u1ea3i ti\u1ebfn trong polypropylen. D\u1ef1a tr\u00ean c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc c\u1ee5 th\u1ec3 c\u1ee7a ch\u00fang, m\u1ed7i lo\u1ea1i mang l\u1ea1i nh\u1eefng \u1ea3nh h\u01b0\u1edfng hi\u1ec7u su\u1ea5t \u0111\u1ed9c \u0111\u00e1o.<\/p>\n\n\n\n

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