{"id":427,"date":"2024-03-29T02:01:16","date_gmt":"2024-03-29T02:01:16","guid":{"rendered":"http:\/\/juyuans.com\/?p=427"},"modified":"2024-03-29T02:01:16","modified_gmt":"2024-03-29T02:01:16","slug":"ung-dung-va-phan-tich-hieu-suat-cua-polypropylene-pp-hj4012","status":"publish","type":"post","link":"https:\/\/juyuans.com\/vi\/ung-dung-va-phan-tich-hieu-suat-cua-polypropylene-pp-hj4012\/","title":{"rendered":"Ph\u00e2n t\u00edch \u1ee9ng d\u1ee5ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a Polypropylene PP HJ4012"},"content":{"rendered":"

Polypropylen (PP), l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u00e0 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i, c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc \u0111\u1ed9c \u0111\u00e1o c\u1ee7a n\u00f3 l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho c\u00e1c s\u1ea3n ph\u1ea9m c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y kh\u00e1c nhau. \u0110\u1eb7c bi\u1ec7t, m\u1eabu PP HJ4012 v\u1edbi t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 \u0111\u1eb7c t\u00ednh gia c\u00f4ng v\u01b0\u1ee3t tr\u1ed9i \u0111\u00e3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong nhi\u1ec1u l\u0129nh v\u1ef1c s\u1ea3n xu\u1ea5t.<\/span><\/p>\n

PP HJ4012 l\u00e0 m\u1ed9t lo\u1ea1i polypropylen \u0111\u1ed3ng nh\u1ea5t c\u00f3 d\u1ea1ng h\u1ea1t \u0111\u1ee7 m\u00e0u, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00f4ng qua \u00e9p phun. V\u1eadt li\u1ec7u n\u00e0y c\u00f3 m\u1ee9c \u0111\u1ed9 d\u1ec5 ch\u00e1y l\u00e0 HB, \u0111\u01b0\u1ee3c d\u00f9ng cho c\u00e1c c\u1ea5p \u0111\u1ed9 \u00e9p phun v\u00e0 ch\u1ecbu nhi\u1ec7t. N\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc, va \u0111\u1eadp cao v\u00e0 hi\u1ec7u su\u1ea5t \u0111\u1ed9 c\u1ee9ng cao trong khi v\u1eabn duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t l\u00e2u d\u00e0i v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd t\u1ed1t. Ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 c\u1ef1c k\u1ef3 r\u1ed9ng, t\u1eeb ph\u1ee5 t\u00f9ng \u00f4 t\u00f4 \u0111\u1ebfn \u1ee9ng d\u1ee5ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed, \u0111\u1ebfn v\u1ecf thi\u1ebft b\u1ecb gia d\u1ee5ng v\u00e0 h\u00e0ng gia d\u1ee5ng, khi\u1ebfn PP HJ4012 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c s\u1ea3n ph\u1ea9m n\u00e0y nh\u1edd hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i.<\/span><\/p>\n

V\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, PP HJ4012 th\u1ec3 hi\u1ec7n t\u00ednh n\u0103ng c\u01a1 v\u00e0 nhi\u1ec7t tuy\u1ec7t v\u1eddi. Theo ti\u00eau chu\u1ea9n ASTM D638, \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a n\u00f3 \u0111\u1ea1t 420 kg\/cm2, v\u1edbi \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t l\u00e0 50%. V\u1ec1 m\u00f4 \u0111un u\u1ed1n, theo ti\u00eau chu\u1ea9n ASTM D790, v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 21.000 kg\/cm2, cho th\u1ea5y \u0111\u1ed9 c\u1ee9ng r\u1ea5t cao. K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m va \u0111\u1eadp c\u1ee7a ch\u00f9m tia \u0111\u00fac h\u1eabng l\u00e0 4 kg-cm\/cm, ch\u1ee9ng t\u1ecf hi\u1ec7u su\u1ea5t va \u0111\u1eadp tuy\u1ec7t v\u1eddi c\u1ee7a n\u00f3. Ngo\u00e0i ra, nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t, nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y v\u00e0 nhi\u1ec7t \u0111\u1ed9 l\u00e0m m\u1ec1m Vicat l\u1ea7n l\u01b0\u1ee3t l\u00e0 140\u00b0C, 168\u00b0C v\u00e0 156\u00b0C, cho th\u1ea5y kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t. Tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a v\u1eadt li\u1ec7u l\u00e0 0,91 g\/cm\u00b3, v\u1edbi ch\u1ec9 s\u1ed1 d\u00f2ng ch\u1ea3y n\u00f3ng ch\u1ea3y l\u00e0 14 g\/10 ph\u00fat, t\u1ed1c \u0111\u1ed9 co ng\u00f3t trong kho\u1ea3ng 1,4 ~ 1,8% v\u00e0 \u0111\u1ed9 c\u1ee9ng Rockwell (thang R) l\u00e0 110, x\u00e1c nh\u1eadn th\u00eam \u0111\u1ed9 tin c\u1eady v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a n\u00f3 nh\u01b0 m\u1ed9t k\u1ef9 thu\u1eadt nh\u1ef1a.<\/span><\/p>\n

So v\u1edbi c\u00e1c v\u1eadt li\u1ec7u nh\u1ef1a kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 polyetylen (PE), s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u1ea5u tr\u00fac ch\u00ednh c\u1ee7a polypropylen (PP) l\u00e0 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a chu\u1ed7i b\u00ean. Chu\u1ed7i b\u00ean methyl trong PP kh\u00f4ng ch\u1ec9 c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u m\u00e0 c\u00f2n cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh v\u00e0 t\u1ed1i \u01b0u h\u00f3a h\u01a1n n\u1eefa hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u b\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed, ph\u00e2n b\u1ed1 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed, \u0111\u1ed9 k\u1ebft tinh, lo\u1ea1i v\u00e0 t\u1ef7 l\u1ec7 copolyme. V\u00ed d\u1ee5, polypropylen \u0111\u1eb3ng h\u01b0\u1edbng, do s\u1ef1 \u0111\u1ecbnh h\u01b0\u1edbng c\u1ee7a c\u00e1c nh\u00f3m metyl \u1edf m\u1ed9t b\u00ean c\u1ee7a chu\u1ed7i ch\u00ednh carbon, cho th\u1ea5y \u0111\u1ed9 k\u1ebft tinh v\u00e0 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n, gi\u00fap n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e3o t\u1ed1t h\u01a1n so v\u1edbi polypropylen v\u00e0 polyetylen atactic.<\/span><\/p>\n

\"PPH<\/p>\n

\"\"<\/p>\n

\"Nguy\u00ean<\/p>","protected":false},"excerpt":{"rendered":"

Polypropylene (PP), as a widely recognized and applied thermoplastic polymer, its unique physical and chemical properties make it an ideal material for various industrial and daily life products. In particular, the PP HJ4012 model, with its excellent physical properties and processing characteristics, has become the preferred material in many manufacturing sectors. PP HJ4012 is a […]<\/p>\n","protected":false},"author":1,"featured_media":385,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[19],"class_list":["post-427","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-polypropylene","tag-pp"],"jetpack_featured_media_url":"https:\/\/juyuans.com\/wp-content\/uploads\/2024\/01\/PPR.jpg","_links":{"self":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts\/427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/comments?post=427"}],"version-history":[{"count":0,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts\/427\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/media\/385"}],"wp:attachment":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/media?parent=427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/categories?post=427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/tags?post=427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}