{"id":14846,"date":"2024-11-29T08:35:25","date_gmt":"2024-11-29T08:35:25","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=14846"},"modified":"2024-11-29T08:48:39","modified_gmt":"2024-11-29T08:48:39","slug":"the-impact-of-calcium-powder-residue-content-on-the-processing-and-performance-of-pvc-products","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/vi\/the-impact-of-calcium-powder-residue-content-on-the-processing-and-performance-of-pvc-products\/","title":{"rendered":"T\u00e1c \u0111\u1ed9ng c\u1ee7a h\u00e0m l\u01b0\u1ee3ng c\u1eb7n b\u1ed9t canxi \u0111\u1ebfn qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m PVC"},"content":{"rendered":"

1. T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn h\u00ecnh th\u1ee9c c\u1ee7a s\u1ea3n ph\u1ea9m PVC<\/h2>\n\n\n\n

D\u01b0 l\u01b0\u1ee3ng canxi cacbonat qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u00f3ng c\u1ee7a s\u1ea3n ph\u1ea9m PVC, m\u00e0u s\u1eafc tr\u1edf n\u00ean t\u1ed1i h\u01a1n v\u00e0 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. \u0110i\u1ec1u n\u00e0y l\u00e0 do c\u00e1c h\u1ea1t l\u1edbn h\u01a1n ho\u1eb7c c\u00e1c m\u1ea3nh canxi cacbonat c\u00f3 h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ec1u trong d\u01b0 l\u01b0\u1ee3ng<\/a> t\u1ea1o th\u00e0nh c\u00e1c v\u1ebft l\u1ed3i l\u00f5m tr\u00ean b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m PVC, do \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh th\u1ee9c c\u1ee7a ch\u00fang.<\/p>\n\n\n\n

\"B\u1ed9t\"
B\u1ed9t<\/figcaption><\/figure>\n\n\n\n

2. T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a PVC<\/strong><\/h2>\n\n\n\n

\u0110\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t:<\/strong>\u00a0M\u1ed9t l\u01b0\u1ee3ng canxi cacbonat v\u1eeba ph\u1ea3i c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a PVC, nh\u01b0ng l\u01b0\u1ee3ng d\u01b0 th\u1eeba c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 gi\u00f2n c\u1ee7a s\u1ea3n ph\u1ea9m, \u0111\u1ed3ng th\u1eddi l\u00e0m gi\u1ea3m \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp. \u0110i\u1ec1u n\u00e0y l\u00e0 do c\u00e1c h\u1ea1t canxi cacbonat l\u1edbn trong l\u01b0\u1ee3ng d\u01b0 t\u1ea1o ra c\u00e1c \u0111i\u1ec3m t\u1eadp trung \u1ee9ng su\u1ea5t trong PVC, khi\u1ebfn s\u1ea3n ph\u1ea9m d\u1ec5 b\u1ecb n\u1ee9t ho\u1eb7c v\u1ee1 h\u01a1n khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng b\u00ean ngo\u00e0i.<\/p>\n\n\n\n

T\u1ec9 tr\u1ecdng:<\/strong>\u00a0S\u1ef1 gia t\u0103ng c\u1eb7n canxi cacbonat c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 ph\u00e2n b\u1ed1 m\u1eadt \u0111\u1ed9 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u trong PVC, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t chung c\u1ee7a ch\u00fang. M\u1eadt \u0111\u1ed9 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn bi\u1ebfn d\u1ea1ng ho\u1eb7c v\u1ee1 khi s\u1ea3n ph\u1ea9m ch\u1ecbu \u1ee9ng su\u1ea5t.<\/p>\n\n\n\n

3. T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn qu\u00e1 tr\u00ecnh gia c\u00f4ng PVC<\/strong><\/h2>\n\n\n\n

Kh\u1ea3 n\u0103ng ch\u1ea3y:<\/strong>\u00a0S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u1eb7n canxi cacbonat c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ea3y c\u1ee7a PVC n\u00f3ng ch\u1ea3y, khi\u1ebfn vi\u1ec7c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00fd tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n. N\u1ebfu c\u1eb7n qu\u00e1 nhi\u1ec1u, n\u00f3 c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 nh\u1edbt c\u1ee7a PVC n\u00f3ng ch\u1ea3y, l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ea3y c\u1ee7a n\u00f3, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh khi x\u1eed l\u00fd:<\/strong>\u00a0C\u00e1i l\u1edbn h\u1ea1t canxi cacbonat<\/a> trong c\u1eb7n c\u00f3 th\u1ec3 kh\u00f4ng li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u1edbi nh\u1ef1a PVC, khi\u1ebfn ch\u00fang d\u1ec5 t\u00e1ch ra ho\u1eb7c t\u1ea1o th\u00e0nh l\u1ed7 r\u1ed7ng trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, do \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

4. T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn gi\u00e1 th\u00e0nh s\u1ea3n ph\u1ea9m PVC<\/strong><\/h2>\n\n\n\n

M\u1eb7c d\u00f9 gi\u00e1 canxi cacbonat t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, nh\u01b0ng l\u01b0\u1ee3ng c\u1eb7n d\u01b0 th\u1eeba c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ef7 l\u1ec7 ph\u1ebf ph\u1ea9m c\u1ee7a s\u1ea3n ph\u1ea9m PVC, do \u0111\u00f3 l\u00e0m t\u0103ng chi ph\u00ed s\u1ea3n xu\u1ea5t. Do \u0111\u00f3, c\u1ea7n ki\u1ec3m so\u00e1t \u0111\u00fang l\u01b0\u1ee3ng canxi cacbonat b\u1ed5 sung v\u00e0 m\u1ee9c \u0111\u1ed9 c\u1eb7n trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ec3 gi\u1ea3m chi ph\u00ed v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

T\u00f3m l\u1ea1i, t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u1eb7n canxi cacbonat \u0111\u1ebfn hi\u1ec7u su\u1ea5t x\u1eed l\u00fd PVC l\u00e0 \u0111a di\u1ec7n, bao g\u1ed3m c\u00e1c kh\u00eda c\u1ea1nh nh\u01b0 ngo\u1ea1i quan, t\u00ednh ch\u1ea5t v\u1eadt l\u00fd, x\u1eed l\u00fd v\u00e0 chi ph\u00ed. Do \u0111\u00f3, c\u1ea7n ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd l\u01b0\u1ee3ng canxi cacbonat b\u1ed5 sung v\u00e0 m\u1ee9c c\u1eb7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m PVC \u0111\u1ea1t ti\u00eau chu\u1ea9n y\u00eau c\u1ea7u.<\/p>\n\n\n\n

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