Polyvinyl chloride (PVC) ipolymer yakagadziriswa nevinyl chloride monomer (VCM) mu peroxide, azo compound nezvimwe zvinotanga kana zvichienderana ne free radical polymerization mechanism pasi pekushanda kwechiedza nekupisa. Vinyl chloride homopolymer uye vinyl chloride copolymer pamwe chete zvinonzi vinyl chloride resin.
PVC yaimbova purasitiki yakakura kwazvo pasi rose, iyo yaishandiswa zvakanyanya. Inoshandiswa zvakanyanya muzvinhu zvekuvaka, zvigadzirwa zvemaindasitiri, zvinodiwa zvezuva nezuva, dehwe repasi, mataira epasi, dehwe rekugadzira, mapaipi, waya netambo, firimu rekurongedza, mabhodhoro, zvinhu zvinofuridzira furo, zvinhu zvekuvhara, faibha nezvimwewo.
Zvichienderana nekushandiswa kwakasiyana-siyana, PVC inogona kukamurwa kuita: resin yePVC inoshandiswa zvakanyanya, resin yePVC ine mwero wepamusoro uye resin yePVC ine cross-linked. Resin yePVC inoshandiswa zvakanyanya inoumbwa nekugadziriswa kwemonomer yevinyl chloride pasi pesimba remutangi; Dhigirii repamusoro repolymerization rePVC rinoreva resin ine polymerized nekuwedzera chain growth agent mu vinyl chloride monomer polymerization system; resin yePVC ine crosslinked iresin ine polymerized nekuwedzera crosslinking agent ine diene ne polyene mu vinyl chloride monomer polymerization system.
Zvichienderana nenzira yekuwana vinyl chloride monomer, inogona kukamurwa kuita nzira yecalcium carbide, nzira ye ethylene uye nzira ye imported (EDC, VCM) monomer (muchivanhu, nzira ye ethylene uye nzira ye imported monomer dzinonzi pamwe chete nzira ye ethylene).
Nguva yekutumira: Chivabvu-07-2022