PVA yog siv hauv sizing tus neeg sawv cev uas muab lub zog ntau dua rau cov xov paj thiab ua rau daim ntawv tiv taus cov roj thiab roj ntau dua. Nws kuj yog siv los ua ib feem ntawm cov nplaum thiab cov emulsifiers, ua cov yeeb yaj kiab tiv thaiv dej, thiab ua cov khoom pib rau kev npaj ntawm lwm cov resins.
Yuav ua li cas yog polyvinyl cawv feem ntau siv rau?
Polyvinyl cawv yog siv dav rau ntxiv dag zog rau cov xov paj thiab cov ntaub ntawv, tshwj xeeb tshaj yog ua rau yav tas los ua rau cov roj thiab roj. Nws kuj yog siv rau hauv kev ua si nuv ntses dej tshiab.
3 yam khoom uas polyvinyl cawv siv hauv?
Selvol Polyvinyl Cawv feem ntau yog siv rau adhesives, tab sis nws kuj tau siv dav hauv kev lag luam thiab kev ua liaj ua teb hauv emulsion polymerization, zaj duab xis thiab ntim khoom, nrog rau cov roj av cementing, ntawv, textiles, ceramics, thiab noob txheej.
polyvinyl cawv ua rau dab tsi?
PVOH TSIS 'BIODEGRADE' IT 'DISSOLVES'
Nyob hauv peb qhov kev tshawb fawb, PVOH tsis biodegrade ntau npaum li nws yaj mus rau " non-harmful" monomer, thiab thaum cov molecules tuaj yeem biodegrade, lub sijhawm nws siv rau lawv kom biodegrade tiag tiag yog pos huab me ntsis.
Puas polyvinyl cawv muaj kev nyab xeeb rau daim tawv nqaij?
Txoj kab hauv qab. Polyvinyl cawv muaj kev nyab xeeb hauv koob tshuaj me me. Tab sis nyob deb ntawm qhov ncauj qhov ntswg. Nyob rau hauv siab concentrations siv no, nws yuav qhuav, irritating, thiab zuag qhia tag nrho tsis zoo rau daim tawv nqaij.
