Polyvinylidene, lossis PVDC, tau tshawb pom los ntawm kev sib tsoo hauv 1933, los ntawm Ralph Wiley tus tub ntxhais kawm qib siab ua haujlwm ntawm Dow. Lub npe Saran tau ua lag luam los ntawm Dow Chemical hauv xyoo 1940, tab sis tam sim no tau dhau los ua ib lub npe siv rau cov yas nyias nyias siv los npog cov zaub mov.
Thaum twg yog polyvinyl chloride tsim?
Polyvinyl chloride yog cov yas uas zoo dua lub npe yas. Nws kuj tseem paub los ntawm lub npe PVC. Thawj zaug pom hauv 1835, nws tau siv cov kws tshawb fawb dhau cuaj caum xyoo los nrhiav kev siv rau cov khoom no.
Leej twg tsim polyvinylidene chloride?
Ralph Wiley nrhiav pom polyvinylidene chloride polymer hauv xyoo 1933. Nws yog ib tug tub ntxhais kawm ntawv qib siab uas ua haujlwm ib nrab hnub ntawm Dow Chemical lab ua lub tshuab ntxuav tais diav. Thaum ntxuav chav kuaj iav, nws tuaj hla lub vial nws tsis tuaj yeem txhuam kom huv.
polyvinylidene chloride ua li cas?
Polyvinylidene chloride (PVDC), cov khoom siv hluavtaws ua los ntawm polymerization ntawm vinylidene chloride. Nws yog siv feem ntau hauv cov ntaub ntawv ntshiab, hloov tau, thiab impermeable yas zaub mov qhwv.
Saran tau tsim thaum twg?
Nyob rau hauv 1933, Ralph Wiley, tus neeg ua haujlwm hauv chaw kuaj mob ntawm Dow tshuaj tshawb pom cov ntaub qhwv yas los ntawm kev sib tsoo thaum nws tab tom ntxuav cov cuab yeej kuaj thiab pom ib zaj duab xis hauv ib lub vial tsis tuaj. Zaj duab xis yog polyvinylidene chloride.
