Polyanionic cellulose (PAC), \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 PAC, l\u00e0 m\u1ed9t d\u1eabn xu\u1ea5t cellulose ether h\u00f2a tan trong n\u01b0\u1edbc \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb s\u1ef1 s\u1eeda \u0111\u1ed5i h\u00f3a h\u1ecdc c\u1ee7a cellulose t\u1ef1 nhi\u00ean. N\u00f3 l\u00e0 m\u1ed9t ether cellulose h\u00f2a tan trong n\u01b0\u1edbc quan tr\u1ecdng v\u00e0 c\u00f3 m\u00e0u tr\u1eafng ho\u1eb7c v\u00e0ng h\u01a1i. B\u1ed9t, kh\u00f4ng \u0111\u1ed9c h\u1ea1i, kh\u00f4ng m\u00f9i, n\u00f3 c\u00f3 th\u1ec3 h\u00f2a tan trong n\u01b0\u1edbc, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec7t t\u1ed1t, kh\u1ea3 n\u0103ng ch\u1ed1ng mu\u1ed1i v\u00e0 \u0111\u1eb7c t\u00ednh kh\u00e1ng khu\u1ea9n m\u1ea1nh m\u1ebd. Ch\u1ea5t l\u1ecfng b\u00f9n \u0111\u01b0\u1ee3c c\u00f4ng th\u1ee9c v\u1edbi s\u1ea3n ph\u1ea9m n\u00e0y c\u00f3 gi\u1ea3m m\u1ea5t n\u01b0\u1edbc t\u1ed1t, \u1ee9c ch\u1ebf v\u00e0 ch\u1ed1ng nhi\u1ec7t \u0111\u1ed9 cao. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong khoan d\u1ea7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 gi\u1ebfng n\u01b0\u1edbc mu\u1ed1i v\u00e0 khoan d\u1ea7u ngo\u00e0i kh\u01a1i.<\/p>\n
S\u1ea3n ph\u1ea9m cellulose polyanionic PAC c\u1ee7a VEKEN \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: \u0111\u1ed9 nh\u1edbt cao (HV) v\u00e0 \u0111\u1ed9 nh\u1edbt th\u1ea5p (LV). Ch\u00fang l\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m c\u00f4ng ngh\u1ec7 cao v\u1edbi quy\u1ec1n s\u1edf h\u1eefu tr\u00ed tu\u1ec7 \u0111\u1ed9c l\u1eadp c\u1ee7a c\u00f4ng ty ch\u00fang t\u00f4i. N\u00f3 l\u00e0 m\u1ed9t ether cellulose anionic v\u00e0 c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m tinh khi\u1ebft cao, m\u1ee9c \u0111\u1ed9 thay th\u1ebf cao v\u00e0 ph\u00e2n ph\u1ed1i \u0111\u1ed3ng nh\u1ea5t c\u1ee7a c\u00e1c nguy\u00ean t\u1eed \u0111\u01b0\u1ee3c thay th\u1ebf. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m d\u00e0y, \u0111i\u1ec1u ch\u1ec9nh rheology, ch\u1ea5t gi\u1ea3m m\u1ea5t n\u01b0\u1edbc, v.v. PAC \u0111\u1ed9 nh\u1edbt cao v\u00e0 \u0111\u1ed9 nh\u1edbt th\u1ea5p c\u00f3 hi\u1ec7u \u1ee9ng gi\u1ea3m m\u1ea5t b\u1ed9 l\u1ecdc tuy\u1ec7t v\u1eddi trong b\u00f9n n\u01b0\u1edbc ng\u1ecdt v\u00e0 n\u01b0\u1edbc bi\u1ec3n, v\u00e0 l\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m kh\u00f4ng th\u1ec3 thi\u1ebfu trong kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch b\u00f9n. PAC do c\u00f4ng ty ch\u00fang t\u00f4i s\u1ea3n xu\u1ea5t l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m tinh ch\u1ebf \u0111\u1ed9 tinh khi\u1ebft cao. S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a n\u00f3 l\u00e0 m\u1ed9t b\u1ed9t ch\u1ea3y m\u00e0u c\u1eeda, v\u00e0 dung d\u1ecbch n\u01b0\u1edbc c\u1ee7a n\u00f3 l\u00e0 m\u1ed9t ch\u1ea5t l\u1ecfng nh\u1edbt trong su\u1ed1t. L\u00e0 m\u1ed9t polymer h\u00f2a tan trong n\u01b0\u1edbc, PAC c\u00f3 c\u00e1c ch\u1ee9c n\u0103ng v\u00e0 \u0111\u1eb7c t\u00ednh sau:<\/p>\n
1. Nhanh ch\u00f3ng h\u00f2a tan trong n\u01b0\u1edbc l\u1ea1nh ho\u1eb7c n\u00f3ng;<\/p>\n
2. C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 ch\u1ea5t l\u00e0m d\u00e0y, ch\u1ea5t ki\u1ec3m so\u00e1t rheology, ch\u1ea5t d\u00ednh, ch\u1ea5t \u1ed5n \u0111\u1ecbnh, ch\u1ea5t colloid b\u1ea3o v\u1ec7, ch\u1ea5t treo v\u00e0 ch\u1ea5t gi\u1eef n\u01b0\u1edbc;<\/p>\n
Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p khai th\u00e1c d\u1ea7u m\u1ecf, PAC l\u00e0 m\u1ed9t ch\u1ea5t x\u1eed l\u00fd b\u00f9n khoan t\u1ed1t h\u01a1n v\u00e0 v\u1eadt li\u1ec7u \u0111\u1ec3 chu\u1ea9n b\u1ecb ch\u1ea5t l\u1ecfng ho\u00e0n th\u00e0nh, v\u1edbi t\u1ef7 l\u1ec7 b\u1ed9t cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng mu\u1ed1i t\u1ed1t. \u0110\u1ed1i v\u1edbi b\u00f9n n\u01b0\u1edbc ng\u1ecdt, b\u00f9n n\u01b0\u1edbc bi\u1ec3n v\u00e0 b\u00f9n n\u01b0\u1edbc mu\u1ed1i b\u00e3o h\u00f2a, PAC l\u00e0 m\u1ed9t ch\u1ea5t x\u1eed l\u00fd gi\u1ea3m m\u1ea5t ch\u1ea5t l\u1ecfng tuy\u1ec7t v\u1eddi v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng c\u1ea3i thi\u1ec7n \u0111\u1ed9 nh\u1edbt t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec7t \u0111\u1ed9 cao (150 \u00b0 C). N\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 chu\u1ea9n b\u1ecb n\u01b0\u1edbc ng\u1ecdt, n\u01b0\u1edbc bi\u1ec3n v\u00e0 ch\u1ea5t l\u1ecfng ho\u00e0n th\u00e0nh n\u01b0\u1edbc mu\u1ed1i b\u00e3o h\u00f2a, v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb th\u00e0nh ch\u1ea5t l\u1ecfng ho\u00e0n th\u00e0nh c\u00f3 m\u1eadt \u0111\u1ed9 kh\u00e1c nhau d\u01b0\u1edbi s\u1ef1 tr\u1ea7m tr\u1ecdng c\u1ee7a canxi clorua, v\u00e0 c\u00f3 th\u1ec3 l\u00e0m cho ch\u1ea5t l\u1ecfng ho\u00e0n th\u00e0nh c\u00f3 \u0111\u1ed9 nh\u1edbt nh\u1ea5t \u0111\u1ecbnh v\u00e0 m\u1ea5t b\u1ed9 l\u1ecdc th\u1ea5p. C\u00e1c s\u1ea3n ph\u1ea9m PAC \u0111\u1ed9 nh\u1edbt cao v\u00e0 \u0111\u1ed9 nh\u1edbt th\u1ea5p do c\u00f4ng ty ch\u00fang t\u00f4i s\u1ea3n xu\u1ea5t tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n GB \/ T 5005, ti\u00eau chu\u1ea9n OCMA ch\u00e2u \u00c2u v\u00e0 ti\u00eau chu\u1ea9n API 13A.<\/p>","protected":false},"excerpt":{"rendered":"
Polyanionic cellulose (PAC), \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 PAC, l\u00e0 m\u1ed9t d\u1eabn xu\u1ea5t cellulose ether h\u00f2a tan trong n\u01b0\u1edbc \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb s\u1ef1 s\u1eeda \u0111\u1ed5i h\u00f3a h\u1ecdc c\u1ee7a cellulose t\u1ef1 nhi\u00ean.<\/p>","protected":false},"featured_media":855,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_cat":[20,19],"product_tag":[],"class_list":{"0":"post-679","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pac","7":"product_cat-polyanionic-cellulose","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/www.cy-chemicals.com\/vi\/wp-json\/wp\/v2\/product\/679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cy-chemicals.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.cy-chemicals.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cy-chemicals.com\/vi\/wp-json\/wp\/v2\/comments?post=679"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cy-chemicals.com\/vi\/wp-json\/wp\/v2\/media\/855"}],"wp:attachment":[{"href":"https:\/\/www.cy-chemicals.com\/vi\/wp-json\/wp\/v2\/media?parent=679"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.cy-chemicals.com\/vi\/wp-json\/wp\/v2\/product_cat?post=679"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.cy-chemicals.com\/vi\/wp-json\/wp\/v2\/product_tag?post=679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}