{"id":480,"date":"2018-11-08T06:12:28","date_gmt":"2018-11-08T06:12:28","guid":{"rendered":"https:\/\/www.recycle-plant.com\/?p=480"},"modified":"2023-08-18T10:38:33","modified_gmt":"2023-08-18T02:38:33","slug":"what-kind-of-plastic-is-made-in-disposable-cups-in-life","status":"publish","type":"info","link":"https:\/\/www.recycle-plant.com\/vi\/what-kind-of-plastic-is-made-in-disposable-cups-in-life.html","title":{"rendered":"Lo\u1ea1i nh\u1ef1a n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u1ed1c d\u00f9ng m\u1ed9t l\u1ea7n?"},"content":{"rendered":"

PP l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u b\u00e1n tinh th\u1ec3. N\u00f3 c\u1ee9ng h\u01a1n v\u00e0 c\u00f3 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y cao h\u01a1n PE. V\u00ec lo\u1ea1i \u0111\u1ed3ng tr\u00f9ng h\u1ee3p PP r\u1ea5t gi\u00f2n khi nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n 0\u00b0C, nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u PP<\/a><\/strong> th\u01b0\u01a1ng m\u1ea1i l\u00e0 c\u00e1c \u0111\u1ed3ng tr\u00f9ng h\u1ee3p ng\u1eabu nhi\u00ean c\u1ee7a 1 \u0111\u1ebfn 4% ethylene ho\u1eb7c m\u1ed9t \u0111\u1ed3ng tr\u00f9ng h\u1ee3p k\u1eb9p c\u1ee7a t\u1ef7 l\u1ec7 ethylene cao h\u01a1n. V\u1eadt li\u1ec7u PP lo\u1ea1i \u0111\u1ed3ng tr\u00f9ng h\u1ee3p c\u00f3 nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng do nhi\u1ec7t th\u1ea5p (100\u00b0C), \u0111\u1ed9 trong su\u1ed1t th\u1ea5p, \u0111\u1ed9 b\u00f3ng th\u1ea5p, \u0111\u1ed9 c\u1ee9ng th\u1ea5p, nh\u01b0ng c\u00f3 \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp m\u1ea1nh h\u01a1n. \u0110\u1ed9 b\u1ec1n c\u1ee7a PP t\u0103ng l\u00ean khi h\u00e0m l\u01b0\u1ee3ng ethylene t\u0103ng l\u00ean. Nhi\u1ec7t \u0111\u1ed9 h\u00f3a m\u1ec1m Vicat c\u1ee7a PP l\u00e0 150\u00b0C. Do \u0111\u1ed9 tinh th\u1ec3 h\u00f3a cao, v\u1eadt li\u1ec7u n\u00e0y c\u00f3 \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc tuy\u1ec7t v\u1eddi. Kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 n\u1ee9t \u1ee9ng su\u1ea5t m\u00f4i tr\u01b0\u1eddng trong PP. PP th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i b\u1eb1ng c\u00e1ch th\u00eam s\u1ee3i th\u1ee7y tinh, ph\u1ee5 gia kim lo\u1ea1i ho\u1eb7c cao su nhi\u1ec7t d\u1ebbo.<\/p>

T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a PP c\u00f3 ch\u1ec9 s\u1ed1 MFR dao \u0111\u1ed9ng t\u1eeb 1 \u0111\u1ebfn 40. V\u1eadt li\u1ec7u PP c\u00f3 MFR th\u1ea5p c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp t\u1ed1t h\u01a1n nh\u01b0ng \u0111\u1ed9 k\u00e9o d\u00e0i th\u1ea5p h\u01a1n. \u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u c\u00f3 c\u00f9ng MFR, \u0111\u1ed9 b\u1ec1n c\u1ee7a lo\u1ea1i copolymer cao h\u01a1n so v\u1edbi lo\u1ea1i homopolymer. \"M\u00e1y<\/p>

Do s\u1ef1 k\u1ebft tinh, t\u1ef7 l\u1ec7 co r\u00fat c\u1ee7a PP kh\u00e1 cao, th\u01b0\u1eddng t\u1eeb 1,8 \u0111\u1ebfn 2,5%. V\u00e0 \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t trong h\u01b0\u1edbng co r\u00fat t\u1ed1t h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 PE-HD. Vi\u1ec7c th\u00eam 30% ph\u1ee5 gia th\u1ee7y tinh c\u00f3 th\u1ec3 gi\u1ea3m t\u1ef7 l\u1ec7 co r\u00fat xu\u1ed1ng c\u00f2n 0,7%. C\u1ea3 lo\u1ea1i homopolymer v\u00e0 lo\u1ea1i copolymer c\u1ee7a v\u1eadt li\u1ec7u PP \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m, ch\u1ed1ng \u0103n m\u00f2n axit v\u00e0 ki\u1ec1m, v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f2a tan tuy\u1ec7t v\u1eddi. Tuy nhi\u00ean, n\u00f3 kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c dung m\u00f4i hydrocarbon th\u01a1m (nh\u01b0 benzen), dung m\u00f4i hydroclorua (carbon tetrachloride) v\u00e0 c\u00e1c lo\u1ea1i t\u01b0\u01a1ng t\u1ef1. PP kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng oxi h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 cao nh\u01b0 PE, v\u00e0 n\u00f3 c\u00f3 h\u1ea1i cho c\u01a1 th\u1ec3 con ng\u01b0\u1eddi.<\/p>

C\u1ed1c d\u00f9ng m\u1ed9t l\u1ea7n trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb nh\u1ef1a pc v\u00e0 pp.<\/h3>

PC l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u k\u1ef9 thu\u1eadt v\u00f4 \u0111\u1ecbnh h\u00ecnh v\u1edbi \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp xu\u1ea5t s\u1eafc, \u1ed5n \u0111\u1ecbnh nhi\u1ec7t, \u0111\u1ed9 b\u00f3ng, kh\u1ea3 n\u0103ng \u1ee9c ch\u1ebf vi khu\u1ea9n, t\u00ednh ch\u1ed1ng ch\u00e1y v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng b\u00e1m b\u1ea9n.<\/p>

\u0110\u1ed9 b\u1ec1n r\u1ea5t cao v\u00e0 t\u1ef7 l\u1ec7 co ng\u00f3t r\u1ea5t th\u1ea5p, th\u01b0\u1eddng l\u00e0 0,1% \u0111\u1ebfn 0,2%. PC c\u00f3 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc t\u1ed1t, nh\u01b0ng \u0111\u1eb7c t\u00ednh ch\u1ea3y k\u00e9m, v\u00ec v\u1eady \u0111i\u1ec1u n\u00e0y<\/p>

Qu\u00e1 tr\u00ecnh \u00e9p nh\u1ef1a c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u l\u00e0 kh\u00f3 kh\u0103n. Khi ch\u1ecdn lo\u1ea1i v\u1eadt li\u1ec7u PC ch\u1ea5t l\u01b0\u1ee3ng n\u00e0o \u0111\u1ec3 s\u1eed d\u1ee5ng, n\u00f3 n\u00ean d\u1ef1a tr\u00ean k\u1ef3 v\u1ecdng cu\u1ed1i c\u00f9ng c\u1ee7a s\u1ea3n ph\u1ea9m. N\u1ebfu b\u1ed9 ph\u1eadn nh\u1ef1a y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp cao, th\u00ec n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i c\u00f3 \u0111\u1ed9 ch\u1ea3y th\u1ea5p.<\/p>

V\u1eadt li\u1ec7u PC \u0111\u1ed9ng l\u1ef1c; ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c v\u1eadt li\u1ec7u PC c\u00f3 l\u01b0u l\u01b0\u1ee3ng cao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh \u00e9p phun.<\/p>

PP polypropylene: nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y: 220~275 \u00b0C.<\/p>","protected":false},"excerpt":{"rendered":"

PP is a semi-crystalline material. It is harder and has a higher melting point than PE. Since the PP temperature of the homopolymer type is very brittle when it is higher than 0 \u00b0 C, many commercial PP materials are random copolymers of 1 to 4% ethylene or a clamp copolymer of a higher ratio […]<\/p>\n","protected":false},"author":1,"featured_media":490,"parent":0,"template":"","tags":[81],"info-type":[2],"class_list":["post-480","info","type-info","status-publish","has-post-thumbnail","hentry","tag-pp-pe-flake-products-recycling-and-pelletizing-machine","info-type-news"],"taxonomy_info":{"post_tag":[{"value":81,"label":"PP PE flake products recycling and pelletizing machine"}],"info-type":[{"value":2,"label":"Case & News"}]},"featured_image_src_large":["https:\/\/www.recycle-plant.com\/wp-content\/uploads\/2018\/11\/PP-PE-flake-products-recycling-and-pelletizing-machine6.jpg",720,540,false],"author_info":{"display_name":"Ella","author_link":"https:\/\/www.recycle-plant.com\/vi\/author\/admin\/"},"comment_info":"","_links":{"self":[{"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/info\/480","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/info"}],"about":[{"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/types\/info"}],"author":[{"embeddable":true,"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/media\/490"}],"wp:attachment":[{"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/media?parent=480"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/tags?post=480"},{"taxonomy":"info-type","embeddable":true,"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/info-type?post=480"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}