Ihe mepụtara plastik
Plastic - Okwu ahụ sitere na Grik (plastikos), nke pụtara dabara adaba maka ịkpụzi, ya bụ, plasticity na nhazi usoro, na-enye ohere ka a tụba ha.
Mee ụdị dị iche iche. Enwere ike ịkpọ ihe okike nke rọba ihe okike nke ihe a kpọrọ mmadụ na narị afọ nke 20, mgbe ihe karịrị 100 afọ nke mmepe gasịrị, plastik anọwo ebe niile Ọ ghọwo ihe dị mkpa maka ọha mmadụ mepere emepe nke oge a.
Paxssing
"Paksin" bụ nke mbụ a chọpụtara - plastik na-eto eto. N'afọ ndị 1850, onye England chemist Parkes nọ na-eme nchọpụta ụzọ nhazi collodion, na mberede gwakọtara collodion na camphor, na-eke a. Ihe siri ike nke nwere ike ịgbada. Ọ kpọkwara ya 'Paksin'. Parkes itinye n'ọrụ "Paxine" mere ihe niile site na combs na bọtịnụ na ọla, na ndị mmadụ hụrụ ya n'anya.
celluloid
N'afọ ndị 1860, Hiatt kwalitere usoro nrụpụta nke "Paksin" wee nyegharịa ya aha "Celluloid". "A na-eji Ceruloc mee ihe na mbụ na-emepụta bọọlụ billiard, ma ka ahịa rọba nọgidere na-amụba, e mere "Ceruloc" ka ọ bụrụ ụdị dị iche iche.
Ngwaahịa. "Celluloid" bụ plastik mmadụ mere, nke nwere àgwà na-enwu ọkụ, ya mere mmepụta ngwaahịa ya nwere oke.
Ihe mepụtara nke polyethylene
Na 1933, Reginald Gibson na Eric Fawcett nke ICI chọpụtara na ethylene nwere ike ịbụ polymerized n'ime polyethylene n'okpuru nrụgide dị elu. A maara usoro a dị ka usoro nrụgide dị elu, mmepụta mmepụta ihe malitere na 1939. Polyethylene (PE) wee ghọọ obere njupụta. polyethylene (LDPE) na polyethylene dị elu (HDPE) n'ụdị abụọ. Na mmalite 1950s, American Phillips Oil Company chọpụtara chromium oxide dị ka ihe na-akpali akpali, ethylene nwere ike polymerized na-emepụta elu-density polyethylene n'okpuru ọkara nrụgide, na mmepụta mmepụta e nwetara na 1957. Na '60s, Canada's DuPont ụlọ ọrụ malitere iji ethylene na. a-Low density poly (B) ubi ka a kwadebere site na olefin site na usoro ngwọta. PE dị ọnụ ala, na-agbanwe agbanwe, agbakwunyere ma na-eguzogide ọgwụ corrosion. A na-eji LDPE na-emepụta ihe nkiri na ihe nkwakọ ngwaahịa HDPE na-ejikarị eme ihe, ọkpọkọ na akụkụ akpaaka.
Ụlọ ọrụ anyị na-eji ngwaahịa polyethylene
Zhongshang huangpu guoyu plastic ngwaahịa factory Isi azụmahịa nke nkewa bụ plastic ụlọ ọrụ, ma na nhọrọ nke ihe ga-ahọrọ polyethylene, ihe mere ya Polyethylene odorless, na-adịghị egbu egbu, na-eche dị ka wax, nwere magburu onwe ala okpomọkụ eguzogide (opekempe ojiji). okpomọkụ nwere ike iru -100 ~ -70 Celsius C), ezigbo nkwụsi ike nke kemịkalụ, iguzogide ọtụtụ acid na alkali ozize (anaghị eguzogide acid na oxidation Njirimara). Insoluble n'ozuzu ihe mgbaze na ụlọ okpomọkụ, obere mmiri absorption, mma eletriki mkpuchi. ka njọ. Japan na-eleghara mmachi mba ụwa na mkpofu mkpofu nuklia, nke na-emebi gburugburu ebe obibi. Ihe anyị nwere ike ime bụ ime ike anyị niile iji chebe gburugburu ebe anyị ga-adị ndụ na ya
Oge nzipu: Ọgọst-28-2023