I-Polyvinyl chloride

I-Polyvinyl chloride, i-PVC, i-polymer eyakhiwe yi-vinyl chloride monomer (VCM) ku-peroxide, ama-azo compounds noma indlela yokwenza i-polymerization ye-radical polymerization ngaphansi kokukhanya nokushisa.I-ethylene chloride homopolymer kanye ne-vinyl chloride copolymer system ibizwa ngokuthi i-vinyl chloride resin.I-PVC yake yaba umkhiqizo wepulasitiki omkhulu kunayo yonke emhlabeni futhi isetshenziswa kabanzi.Isetshenziswa kabanzi ezintweni zokwakha, imikhiqizo yezimboni, izidingo zansuku zonke, isikhumba esiphansi, isitini esiphansi, isikhumba sokwenziwa, impahla yamapayipi, ucingo nekhebula, ifilimu yokupakisha, amabhodlela, izinto zegwebu, izinto zokuvala uphawu, i-fiber nezinye izici.Ngokusho kobubanzi obuhlukene bokusebenza, i-PVC ingahlukaniswa ibe: uhlobo olujwayelekile lwe-PVC resin, i-polymerization ephezulu ye-PVC resin, i-PVC exhunywe ngokuphambana.Uhlobo olujwayelekile lwe-PVC resin lwakhiwa yi-polymerization ye-vinyl chloride monomer ngaphansi kwesenzo se-initiator;i-polymerization ephezulu ye-PVC resin ibhekisela ku-polymer ye-polymerization system;futhi i-resin ye-PVC ehlanganisiwe yenziwe nge-agent exhumanisayo equkethe i-diene ne-polyene ohlelweni lwe-vinyl chloride monomer polymerization.Ngokusho kwendlela yokuthola i-ethylene chloride monomer, ingahlukaniswa ngendlela ye-calcium carbide, indlela ye-ethylene kanye ne-monomer (EDC, VCM) indlela ye-monomer (indlela ye-ethylene kanye nendlela ye-monomer engenisiwe ngokuvamile ibizwa ngokuthi indlela ye-ethylene).Ngokwendlela ye-polymerization, i-PVC ingahlukaniswa ngezigaba ezine: indlela yokumisa i-PVC, indlela ye-emulsion ye-PVC, indlela yobuningi ye-PVC, indlela yokuxazulula i-PVC.I-Suspension PVC isivuno esikhulu kunazo zonke, esibalelwa ku-80% wesamba se-PVC.Indlela yokumiswa ye-PVC ihlukaniswe ngamamodeli ayisithupha: XS-1, XS-2..., XS-6;XJ-1, XJ-2..., XJ-6.Incazelo yohlamvu ngalunye kumodeli: Indlela yokumiswa kuka-X;Uhlobo lwe-S-loose;Uhlobo lwe-J-tight.Ngokusho kokuqukethwe kwe-plasticizer, i-PVC plastic ene-plastic ene-plastic ivame ukuhlukaniswa: ayikho i-PVC ye-plasticizer, okuqukethwe kwe-plasticizer ngu-0;i-PVC eqinile, okuqukethwe kwe-plasticizer kungaphansi kuka-10%;i-semi-hard PVC, okuqukethwe kwe-plasticizer kwe-10-30%;i-PVC ethambile, okuqukethwe kwe-plasticizer kwe-30-70%;i-polyvinyl