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PVA
- Product Description
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- Commodity name: PVA
Application: Polymerization Aid: Used as a protective colloid in suspension/emulsion polymerization (e.g. VAM to PVAc), prevents agglomeration, controls particle size
Chemical Name: PVA
Shape: White to off-white powder or granules
Component: Poly(1-hydroxyethylene)
Other names: Polyvinyl Alcohol, PVOH, Poly(1-hydroxyethylene), Ethanol homopolymer
Molecular Formula: (C₂H₄O)ₙ, (C2H3OR) n where R = H or COCH3. (CH2CHOH-) n
Molecular Weight: Typically, 20.000–200.000 g/mol (depends on grade)
CAS Number: 9002-89-5
Application:
Polymerization Aid: Used as a protective colloid in suspension/emulsion polymerization (e.g. VAM to PVAc), prevents agglomeration, controls particle size
Catalyst Binder / Additive: Used as temporary binder in extrusion of catalyst pellets or ceramic supports (e.g. FCC catalyst)
Water Treatment / Dosing Agent: Used in water-soluble film coatings for chemical dosing (corrosion/scale inhibitors)
Adhesion Promoter / Surface Modifier: Improves bonding of polymer coatings in lining and internal protection systems
Uses: Mainly used in textile sizing material, bond, coating, emulsifier, soil modifying agent, etc.
Packing: In paper bag of 25 kg net with plastic lining or 800 kgs big bag on pallets net each.
Storage: Store in cool, dry and well-ventilated area. Avoid moisture exposure. Keep tightly sealed to prevent hygroscopic absorption.
Keywords： PVA
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