Okwu mmeghe nke mmepụta karama PET karama China

A na-ejikarị polyester PET eme ihe naIgwe ime flake karama PET, karama anụ ụlọ ruo igwe eriri polyester na ihe nkiri polyester, kewara n'ime eriri polyester na eriri polyester staple, nke ruru ihe dị ka 75% nke mmepụta polyester niile. A na-ejikarị ha eme ihe n'ụlọ ọrụ ákwà: igwe na-emepụta karama polyester PET, nke ruru ihe dị ka 20%, nke a na-ejikarị eme ihe maka nkwakọ ngwaahịa nri na ihe ọṅụṅụ; ihe nkiri polyester dị ihe dị ka 5%, nke a na-ejikarị eme ihe maka ihe mpụta, yana ezigbo ihe obibi akwụkwọ.

Karama PET bụ ihe e ji eme polima nke na-anaghị emebi gburugburu ebe obibi. Ma e jiri ya tụnyere iko, ígwè, akwụkwọ na ihe ndị ọzọ e ji eme ihe n'ime plastik, karama PET nwere uru dịka nchekwa, nghọta dị elu, ihe dị mfe, njem dị mfe, nchekwa gburugburu ebe obibi na ihe ndị ọzọ, yabụ a na-ejikarị ya eme ihe n'ọtụtụ ebe.
Mpempe akwụkwọ karama Polyester na-ezo aka na mmepụta polymerization nke ihe eji emepụta polyester nke a na-ejikarị eme ihe dị ka ihe dị ka mkpụrụ akwụkwọ 452 mm. Ụzọ usoro mmepụta polyester gụnyere direct esterification (PTA) na transesterification (DMT). Ụzọ teknụzụ nke mmeghachi omume kemịkalụ bụ isi na ụlọ ọrụ PET dị n'ime ụlọ bụ usoro PTA, usoro nhazi nzọụkwụ abụọ ahụ etoola nke ọma. Ụlọ ọrụ mmepụta PET ọkwa karama nke ihe eji emepụta ihe ọhụrụ nke China Wankai New Material, China Resources Materials na ụlọ ọrụ ndị ọzọ bụ usoro nhazi nzọụkwụ abụọ nke usoro polyester + usoro shrinkage siri ike na njikọ (CP + SSP).

Dịka ọnụọgụgụ si kwuo, na 2022, ikike mmepụta nke mpempe karama polyester nke China bụ tọn nde 12.99, yana mmụba kwa afọ nke 3.59%. Na 2022, ikike mmepụta nke mpempe karama polyester bụ tọn 450,000, nke gụnyere ikike mmepụta ọhụrụ bụ tọn 600,000 nke Chongqing Wankai. Ka ọ na-erule 2022, e nwere ụlọ ọrụ PET iri na isii na China, nke nwere ngụkọta ikike mmepụta nke tọn nde 12.7 kwa afọ. N'ime ha, e nwere ụlọ ọrụ ise nwere ikike mmepụta nke karịrị tọn nde 1, ya bụ Wkai New Material, Hainan Yisheng,SANFAME, China Resources Materials na Jiangyin Chenggao (e zigara igwe flakes karama PET nde tọn 1.2 na China Resources n'ihi enweghị ego).

Ndị a bụ ụlọ ọrụ igwe PET ole na ole na-emepụta karama, nke na-enye ọkwa na-enweghị usoro ọ bụla.

1, WKAI (301216)

E hiwere Wkai New Materials Co., Ltd. na 2008, ọ bụ ụlọ ọrụ na-eme nnyocha na mmepe, mmepụta nke igwe flake karama PET na ire ihe polyester na China. Ngwaahịa ndị bụ isi nke ụlọ ọrụ ahụ gụnyere PET ọkwa karama na Daylight PET. Mgbe ihe karịrị afọ 10 gachara, ọ rụpụtala ikike mmepụta kwa afọ nke tọn nde 2.4 nke iberibe karama, nke so n'ime ndị kacha elu n'ụwa. A na-ere ngwaahịa anyị na ọtụtụ narị mba na mpaghara gburugburu ụwa, ọ bụkwa ụlọ ọrụ nnọchite anya nke "Mere na China" na ụlọ ọrụ PET ọkwa karama.

E guzobere Chongqing Wkai New Material Technology Co., Ltd., otu ụlọ ọrụ Wkai New Material, na 2018, nke dị na Fuling, Chongqing, nwere ikike nke PET karama flakes na-eme igwe ruru tọn nde 1.2 na teknụzụ akụrụngwa na-eduga na ụlọ ọrụ ahụ.

2, SANFAME GROUP

Ụlọ ọrụ Jiangsu SANFAME Poly Material Co., Ltd. bụ onye ndu n'ọrụ ịkpụcha polyester nke ọkwa karama na China. Ihe a na-emepụta kwa afọ nke ịkpụcha polyester nke ọkwa karama karịrị tọn nde 2.2, ihe PTA na-arụpụta dịkwa ihe dị ka tọn nde 2.9.

A na-eji usoro SANFAME otu polyester slice eme ihe n'ọtụtụ karama ihe ọṅụṅụ, karama mmanụ a na-eri eri, ihe na-esi ísì ụtọ, karama ọgwụ,Mkpọpụta mpempe akwụkwọ PETnke mpempe akwụkwọ nkwakọ ngwaahịa na akpa ndị ọzọ. N'ihi ojiji nke usoro nhazi pụrụ iche na teknụzụ mmepụta, ngwaahịa a nwere arụmọrụ kristal dị mma, obere okpomọkụ nhazi, oke nhazi sara mbara. Ụlọ ọrụ ahụ na-anabata teknụzụ usoro American DuPont, Swiss Brown nke dị elu n'ụwa.