Ihe PVC

Polyvinyl chloride (n'ụzọ ọzọ: poly(vinyl chloride), colloquial: polyvinyl, ma ọ bụ nanị vinyl; abbreviated: PVC) bụ ụwa nke atọ kasị n'ọtụtụ ebe emepụta sịntetik polymer nke plastic (mgbe polyethylene na polypropylene).A na-emepụta ihe dị ka tọn nde 40 nke PVC kwa afọ.

PVC na-abịa n'ụdị isi abụọ: siri ike (mgbe ụfọdụ a na-ebelata dị ka RPVC) na mgbanwe.A na-eji ụdị PVC siri ike na-ewu maka ọkpọkọ na ngwa profaịlụ dị ka ọnụ ụzọ na windo.A na-ejikwa ya na-emepụta karama rọba, nkwakọ ngwaahịa na-abụghị nri, mpempe akwụkwọ nri na kaadị rọba (dịka ụlọ akụ ma ọ bụ kaadị ndị otu).Enwere ike ime ka ọ dị nro ma na-agbanwe agbanwe site na mgbakwunye nke plasticizers, nke a na-ejikarị eme ihe bụ phthalates.N'ụdị a, a na-ejikwa ya na ọkpọkọ, mkpuchi ọkụ eletrik, akpụkpọ anụ na-eṅomi, ala ala, akara ngosi, ihe ndekọ phonograph, ngwaahịa ndị na-eku ume, na ọtụtụ ngwa ebe ọ na-anọchi roba.Na owu ma ọ bụ linen, a na-eji ya na-emepụta akwa akwa.

Polyvinyl chloride dị ọcha bụ ihe siri ike na-acha ọcha, na-esikwa ike.Ọ na-esighi ike na mmanya mana ọ na-agbaze na tetrahydrofuran.

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Emepụtara PVC na 1872 site n'aka onye German chemist Eugen Baumann mgbe nyocha na nnwale agbatịchara.Polymer ahụ pụtara dị ka ihe siri ike na-acha ọcha n'ime flask nke vinyl chloride nke fọdụrụ na shelf echedoro na ìhè anyanwụ ruo izu anọ.Na mmalite narị afọ nke 20, onye Russia bụ Ivan Ostromislensky na Fritz Klatte nke ụlọ ọrụ kemịkalụ German Griesheim-Elektron abụọ nwara iji PVC na ngwaahịa azụmahịa, mana ihe isi ike na nhazi nke siri ike, mgbe ụfọdụ polymer na-emebi emebi gbochiri mbọ ha.Waldo Semon na ụlọ ọrụ BF Goodrich mepụtara usoro na 1926 iji mee ka PVC mee plastik site na ijikọta ya na ihe mgbakwunye dị iche iche, gụnyere iji dibutyl phthalate site na 1933.


Oge nzipu: Feb-09-2023