PVC ke polyvinyl chloride, e leng polymer e entsoeng ka polymerized ke vinyl chloride monomer tlas'a ketso ea peroxide, metsoako ea azo le li-initiators tse ling, kapa tlas'a ketso ea leseli le mocheso ho ea ka mochine oa mahala oa polymerization oa mahala.PVC ke e 'ngoe ea lipolasetiki tse kholo ka ho fetisisa lefatšeng, tse sebelisoang haholo liindastering tse fapaneng.
PVC ke lintho life?PVC ke ntho e tloaelehileng haholo bophelong.PVC ke thepa ea mofuta ofe?Ha re shebeng kajeno.[Khopolo ea PVC] PVC ha e le hantle ke polyvinyl chloride, e leng polymer e entsoeng ka polymerized ke vinyl chloride monomer e nang le peroxide, motsoako oa azo le li-initiators tse ling, kapa tlas'a ketso ea leseli le mocheso ho ea ka mochine oa polymerization oa mahala. .
[litšobotsi tsa PVC]: PVC ke phofo e tšoeu e nang le sebopeho sa amorphous, 'me mocheso oa phetoho oa khalase ke 77 ~ 90 ℃.Phetoho ea khalase ke khopolo e batlang e rarahane.Bakeng sa phofo ea PVC, phetoho ea khalase ke hore ka har'a mocheso ona oa mocheso, PVC e tla fetoha ho tloha phofo e tšoeu ho ea boemong ba khalase.PVC ea khalase e tla qala ho bola hoo e ka bang 170 ℃.Botsitso bo bobe ho khanya le mocheso, ho bonolo ho bola le ho hlahisa hydrogen chloride.
[tšenyo ea PVC].Ho latela litšobotsi tsa PVC, re ka bona hore PVC e ke ke ea sebelisoa e le mong.Lits'ebetsong tse sebetsang, li-stabilizers li tlameha ho kenngoa ho ntlafatsa botsitso ba mocheso le khanya.Re lokela ho ela hloko haholo mona.Ka 2017, lenane la li-carcinogens tse hatisitsoeng ke lefapha la machaba la lipatlisiso mabapi le mofetše oa Mokhatlo oa Lefatše oa Bophelo le ile la hlophisoa esale pele bakeng sa ho buuoa, 'me PVC e kenyelelitsoe lethathamong la mefuta e meraro ea kankere.Ka hona, bophelong ba letsatsi le leng le le leng, leka ho se sebelise lijana tsa PVC ho tšoara lijo, ho sa tsotellehe metsi a chesang.
[Ts'ebeliso ea PVC], joalo ka e 'ngoe ea lipolasetiki tse kholo ka ho fetesisa lefatšeng, PVC e sebelisoa haholo linthong tsa kaho, lihlahisoa tsa indasteri, litlhoko tsa letsatsi le letsatsi, letlalo la fatše, lithaele tsa fatše, letlalo la maiketsetso, liphaephe, lithapo le likhoele, lifilimi tsa ho paka, libotlolo. , lisebelisoa tse phophomang, lisebelisoa tsa ho tiisa, boholo ba fiber, joalo-joalo.
Nako ea poso: Aug-02-2022