Poly(vinyl alcohol)
Alcoholysis degree: 98.0-99.0mol%, viscosity: 3.2-3.8mPa.s
Reagent
Code: #56536
Alias
Polyvinyl alcohol (PVA)
CAS Number
9002-89-5
science Other reagents with same CAS 9002-89-5
blur_circular Chemical Specifications
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Molecular Information
Formula
CH₂CHOH
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Registry Numbers
EC Number
209-183-3
MDL Number
MFCD00081922
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Storage & Handling
Storage
room temperature
description Product Description
Poly(vinyl alcohol) is widely used as a binder in the production of adhesives, coatings, and paper. Its water-soluble nature makes it ideal for creating temporary protective films and release layers in various industrial processes. In the textile industry, it serves as a sizing agent to strengthen yarns during weaving. Additionally, it is a key component in the manufacture of water-soluble packaging films and is used in the formulation of eye drops and contact lens solutions due to its biocompatibility. In construction, it acts as a modifier in cement and mortar to improve workability and adhesion. It is also employed in the production of emulsifiers and stabilizers for polymerization processes.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Appearance | White particles |
| Ash | 0-0.6% |
| Degree of Hydrolysis | 98-99% |
| pH (4 in H2O) | 5-7 |
| Sodium Acetate | 0-1.58% |
| Viscosity (4% in H2O, 20°C) | 3.2 mPa |
| Volatile Matter | 0-6% |
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