Ngwaahịa

Polyvinyl chloride (Polyvinyl chloride), English abbreviation PVC, bụ polymer nke vinyl chloride monomer (VCM) polymerized site peroxide, azo compound na ndị ọzọ initiators ma ọ bụ n'okpuru omume nke ìhè na okpomọkụ dị ka usoro nke free radical polymerization..Vinyl chloride homopolymers na vinyl chloride copolymers ka a na-akpọkọta ọnụ dị ka resins vinyl chloride.

PVC bụ ntụ ntụ na-acha ọcha nke nwere usoro amorphous na obere ọkwa nke alaka.Ntugharị iko iko bụ 77 ~ 90 Celsius C, ọ na-amalite ire ere na ihe dịka 170 Celsius.Nkwụsi ike na ìhè na okpomọkụ adịghị mma.N'elu 100 Celsius ma ọ bụ mgbe ogologo oge ìhè anyanwụ kpughee, ọ ga-Ọ decomposes na-emepụta hydrogen chloride, na n'ihu autocatalytic decomposition, na-eme ka discoloration na ngwa ngwa mbelata anụ ahụ na n'ibu Njirimara.N'ime ngwa ndị bara uru, a ga-agbakwunye ndị na-eme ihe ike iji meziwanye nkwụsi ike na okpomọkụ na ọkụ.

Arọ molekụla nke PVC emepụtara n'ụlọ ọrụ na-adịkarị n'ogo nke 50,000 ruo 110,000.Ọ nwere nnukwu polydispersity.Arọ molekụla na-abawanye na mbelata nke okpomọkụ polymerization., 160 ~ 180 ℃ malitere ịgbanwe n'ime a viscous eruba ala;ezi n'ibu Njirimara, tensile ike nke banyere 60MPa, mmetụta ike nke 5 ~ 10kJ / m²;ezigbo dielectric Njirimara.

PVC bụbu plastik kacha ibu n'izugbe n'ụwa, a na-ejikwa ya eme ihe n'ọtụtụ ebe.A na-eji ya eme ihe na ihe owuwu ụlọ, ngwaahịa ụlọ ọrụ, ihe ndị dị mkpa kwa ụbọchị, akpụkpọ anụ ala, taịlị ala, akpụkpọ anụ artificial, ọkpọkọ, wires na eriri, ihe nkiri nkwakọ ngwaahịa, karama, ihe ụfụfụ, ihe mkpuchi, eriri, wdg.