{"id":3871,"date":"2026-05-07T10:37:06","date_gmt":"2026-05-07T02:37:06","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3871"},"modified":"2026-05-07T10:37:09","modified_gmt":"2026-05-07T02:37:09","slug":"how-many-mesh-of-calcium-carbonate-caco3-is-suitable-for-biodegradable-plastics-analyzing-dispersion-differences-across-various-particle-sizes","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/vi\/how-many-mesh-of-calcium-carbonate-caco3-is-suitable-for-biodegradable-plastics-analyzing-dispersion-differences-across-various-particle-sizes\/","title":{"rendered":"L\u01b0\u1ee3ng canxi cacbonat (CaCO3) bao nhi\u00eau m\u1eaft l\u01b0\u1edbi l\u00e0 ph\u00f9 h\u1ee3p cho nh\u1ef1a ph\u00e2n h\u1ee7y sinh h\u1ecdc? Ph\u00e2n t\u00edch s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u1ed9 ph\u00e2n t\u00e1n gi\u1eefa c\u00e1c k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau."},"content":{"rendered":"

Khi c\u00e1c chi\u1ebfn d\u1ecbch "c\u1ea5m nh\u1ef1a" to\u00e0n c\u1ea7u ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u0111\u1ea9y m\u1ea1nh, nh\u1ef1a ph\u00e2n h\u1ee7y sinh h\u1ecdc, \u0111i\u1ec3n h\u00ecnh l\u00e0 PLA (axit polylactic) v\u00e0 PBAT (polybutylene adipate terephthalate), \u0111\u00e3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u c\u1ed1t l\u00f5i trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 bao b\u00ec xanh v\u00e0 n\u00f4ng nghi\u1ec7p sinh th\u00e1i. Tuy nhi\u00ean, do nh\u1eefng th\u00e1ch th\u1ee9c nh\u01b0 chi ph\u00ed nguy\u00ean li\u1ec7u th\u00f4 cao v\u00e0 hi\u1ec7u su\u1ea5t x\u1eed l\u00fd kh\u00f4ng \u1ed5n \u0111\u1ecbnh, canxi cacbonat<\/a> (CaCO3) \u2014 v\u1edbi vai tr\u00f2 l\u00e0 ch\u1ea5t \u0111\u1ed9n kho\u00e1ng v\u00f4 c\u01a1 d\u1ed3i d\u00e0o, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 gi\u00e1 th\u00e0nh th\u1ea5p \u2014 \u0111\u00e3 tr\u1edf th\u00e0nh \u201c\u0111\u1ed1i t\u00e1c v\u00e0ng\u201d cho vi\u1ec7c c\u1ea3i ti\u1ebfn nh\u1ef1a ph\u00e2n h\u1ee7y sinh h\u1ecdc.<\/p>\n\n\n\n

Trong th\u1ef1c ti\u1ec5n s\u1ea3n xu\u1ea5t, m\u1ed1i quan t\u00e2m c\u1ed1t l\u00f5i c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t th\u01b0\u1eddng l\u00e0: \u201cK\u00edch th\u01b0\u1edbc h\u1ea1t canxi cacbonat ph\u00f9 h\u1ee3p l\u00e0 bao nhi\u00eau?\u201d \u0110\u1eb1ng sau c\u00e2u h\u1ecfi n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0 logic v\u1ec1 chi ph\u00ed m\u00e0 c\u00f2n l\u00e0 h\u00f3a h\u1ecdc giao di\u1ec7n ph\u1ee9c t\u1ea1p\u2014c\u1ee5 th\u1ec3 l\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00e2n t\u00e1n trong ma tr\u1eadn polymer nh\u01b0 th\u1ebf n\u00e0o, t\u1eeb \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 hi\u1ec7u qu\u1ea3 ph\u00e2n h\u1ee7y c\u1ee7a s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n.<\/p>\n\n\n\n

\"Canxi
canxi cacbonat<\/figcaption><\/figure>\n\n\n\n

I. Gi\u00e1 tr\u1ecb c\u1ed1t l\u00f5i c\u1ee7a Canxi Cacbonat trong nh\u1ef1a ph\u00e2n h\u1ee7y sinh h\u1ecdc<\/h2>\n\n\n\n
    \n
  1. Gi\u1ea3m chi ph\u00ed t\u1ea1i b\u1ebfn c\u1ea3ng:<\/strong> Nh\u1ef1a ph\u00e2n h\u1ee7y sinh h\u1ecdc c\u00f3 gi\u00e1 th\u00e0nh cao. Vi\u1ec7c b\u1ed5 sung canxi cacbonat (CaCO3) 30%\u201340% v\u00e0o ch\u00fang c\u00f3 th\u1ec3 b\u00f9 \u0111\u1eafp \u0111\u00e1ng k\u1ec3 chi ph\u00ed nguy\u00ean li\u1ec7u th\u00f4, gi\u00fap c\u00e1c s\u1ea3n ph\u1ea9m th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u1ea1nh tranh h\u01a1n tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/li>\n\n\n\n
  2. B\u00f9 tr\u1eeb c\u01a1 h\u1ecdc v\u00e0 t\u0103ng \u0111\u1ed9 b\u1ec1n:<\/strong> PLA nguy\u00ean ch\u1ea5t c\u00f3 \u0111\u1eb7c t\u00ednh d\u1ec5 v\u1ee1. C\u00e1c h\u1ea1t canxi cacbonat si\u00eau m\u1ecbn<\/a> Ch\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 "ch\u1ea5t t\u1ea1o m\u1ea7m kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t", th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh k\u1ebft tinh nh\u1ef1a, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a s\u1ea3n ph\u1ea9m.<\/li>\n\n\n\n
  3. \u0110i\u1ec1u ch\u1ec9nh m\u00f4i tr\u01b0\u1eddng suy tho\u00e1i:<\/strong> Canxi cacbonat c\u00f3 t\u00ednh ki\u1ec1m y\u1ebfu v\u00e0 c\u00f3 th\u1ec3 trung h\u00f2a c\u00e1c oligomer axit \u0111\u01b0\u1ee3c t\u1ea1o ra trong qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y PLA. \u0110i\u1ec1u n\u00e0y ng\u0103n ng\u1eeba s\u1ef1 t\u00edch t\u1ee5 axit d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e2n h\u1ee7y s\u1edbm ho\u1eb7c \u0103n m\u00f2n c\u1ee5c b\u1ed9, trong khi c\u00e1c l\u1ed7 nh\u1ecf h\u00ecnh th\u00e0nh do s\u1ef1 t\u00e1ch r\u1eddi c\u00e1c h\u1ea1t t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho s\u1ef1 \u0103n m\u00f2n do vi sinh v\u1eadt.<\/li>\n\n\n\n
  4. C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng x\u1eed l\u00fd v\u00e0 k\u1ebft c\u1ea5u:<\/strong> N\u00f3 gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh khi n\u00f3ng ch\u1ea3y, t\u1ea1o ra k\u1ebft c\u1ea5u m\u1edd gi\u1ed1ng gi\u1ea5y v\u00e0 mang l\u1ea1i hi\u1ec7u su\u1ea5t in \u1ea5n tuy\u1ec7t v\u1eddi cho nh\u1ef1a.<\/li>\n<\/ol>\n\n\n\n

    II. M\u1ed1i quan h\u1ec7 s\u00e2u s\u1eafc gi\u1eefa k\u00edch th\u01b0\u1edbc h\u1ea1t (l\u01b0\u1edbi) v\u00e0 s\u1ef1 ph\u00e2n t\u00e1n<\/h2>\n\n\n\n

    Trong l\u0129nh v\u1ef1c c\u1ea3i ti\u1ebfn ch\u1ea5t d\u1ebbo, "l\u01b0\u1edbi" (mesh) t\u01b0\u01a1ng \u1ee9ng tr\u1ef1c ti\u1ebfp v\u1edbi \u0111\u1ed9 m\u1ecbn c\u1ee7a c\u00e1c h\u1ea1t.<\/p>\n\n\n\n

    1. \u0110\u1ecbnh ngh\u0129a v\u00e0 hi\u1ec7u n\u0103ng \u1ee9ng d\u1ee5ng c\u1ee7a c\u00e1c k\u00edch th\u01b0\u1edbc l\u01b0\u1edbi kh\u00e1c nhau<\/h3>\n\n\n\n