CAS No 108-05-4 inyl Acetate Monomer (VAM)yog ib qho xim tsis muaj xim, volatile, flammable mobile kua, nrog cov yam ntxwv qab zib etheral tsw. Nws yog soluble nyob rau hauv feem ntau cov organic solvents xws li chlorinated solvents, tab sis tsis soluble nyob rau hauv dej.
Khoom siv: Vinyl acetate VAM
CAS: 108-05-4 Nr
Cov mis mos molecular: C4H6O2
Molecular Luj: 86.09
PIB: 203-545-4
| Melting point | -93℃(lit.) | Ph | 7 (20g/l, H2O, 20ºC) |
| Boiling point | 72-73℃(lit.) | Cia | 2-8 degree |
| Qhov ntom | 0.934 g / mL ntawm 25℃(lit.) | Flashing point | 20℃F |
Siv Vinyl Acetate Monomer (VAM) Liquid
Polymer Synthesis
1. PVAc (Polyvinyl Acetate): Homopolymerization ntawm VAM tsim PVAc- siv rau hauv cov nplaum dawb, cov nplaum ntoo, thiab cov ntawv txheej rau nws cov adhesion muaj zog thiab dej solubility.
2. EVA (Ethylene-Vinyl Acetate): Copolymerization nrog ethylene yields EVA resins- siv hauv cov yeeb yaj kiab hloov tau yooj yim, khau khau, thiab hnub ci vaj huam sib luag encapsulants kom yooj thiab huab cua tsis kam.
3. Vinyl-Acrylic Copolymer: Copolymerization nrog acrylic esters tsim emulsions ruaj khov rau sab nrauv txheej thiab textile binders.
Adhesives & Sealants
4. Emulsion Adhesives: Core monomer rau dej -raws li cov kua nplaum dawb, ntim cov nplaum, thiab cov khoom siv sealants- muab kev sib txuas zoo rau ntawv, ntoo, thiab ntaub.
5. Siab-Sensitive Adhesives (PSAs): Copolymers nrog acrylics txhim kho tack thiab shear zog rau daim kab xev thiab daim ntawv lo.
Coatings & Inks
6. Dej-Cov Txheej Txheem Raws li: Emulsion polymers los ntawm VAM daim ntawv qis-VOC sab hauv / sab nrauv xim- nthuav tawm cov yeeb yaj kiab zoo thiab khaws xim.
7. Paper Coatings: PVAc-raws li txheej txheej txhim kho daim ntawv smoothness thiab printability rau ntim thiab cov ntawv xov xwm.
Textiles & Ntawv
8. Textile Sizing Agents: VAM polymers ua raws li sizing tus neeg sawv cev rau paj rwb thiab hluavtaws fabrics- txhim kho cov xov paj lub zog thiab txo kev tawg thaum lub sij hawm xaws.
9. Paper Lamination: Adhesive formulations bond paper to plastic or metal foils for food packing (raws li zaub mov-cov qauv tiv tauj).
Lwm Cov Kev Siv Hluav Taws Xob
10. Chewing Gum Bases: Polymerized VAM (PVAc) muab elasticity thiab chewability nyob rau hauv cov pos hniav formulations.
11. Zaj duab xis ntau lawm: EVA copolymers los ntawm VAM tsim hloov tau, tshav kub- sealable zaj duab xis rau ntim kho mob thiab ua liaj ua teb mulch.
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