Poly(Vinyl Stearate) CAS NO 9003-95-6

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CAS No.:9003-95-6

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

Poly(Vinyl Stearate) is a synthetic polymer derived from the esterification of vinyl alcohol with stearic acid, resulting in a material with a long-chain alkyl pendant group. This structure provides valuable properties such as internal lubrication, hydrophobicity, and compatibility with various polymer matrices. It serves as a crucial performance additive for manufacturers in the plastics, coatings, and specialty chemical industries seeking to modify surface characteristics and processing behavior.

Application

As an internal lubricant and processing aid for PVC, polyolefins, and engineering plastics to reduce melt viscosity and improve mold release.
As a waterproofing agent and hydrophobicity modifier in coatings, paints, and textile finishes.
As a compatibilizer and dispersing agent in composite materials and masterbatches containing fillers or pigments.
As a viscosity modifier and gelling agent in greases, adhesives, and sealants.
As a release agent in rubber molding and plastic extrusion processes.
In the formulation of specialty waxes and polishes to enhance gloss and durability.

Basic Information


Product Name	Poly(Vinyl Stearate)
CAS No.	9003-95-6
Molecular Formula	(C₂₀H₃₈O₂)ₓ
Molecular Weight	~ (Variable, polymer)
Synonyms	Poly(vinyl octadecanoate)
PVS
Vinyl stearate polymer
Polyvinyl stearate
Stearic acid, vinyl ester, polymer
Vinyl stearate homopolymer
Octadecanoic acid, ethenyl ester, homopolymer
EINECS	Contact for details

Quality Control

Our Poly(Vinyl Stearate) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance, including assessment of ester content, molecular weight distribution, melting point, and acid value. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen blanket). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white flakes or powder
Identification (IR)	Conforms to structure
Assay (Ester Content)	≥ 95.0 %
Acid Value	≤ 5.0 mg KOH/g
Melting Point	40 - 60 °C
Viscosity (melt)	Contact for details
Loss on Drying	≤ 1.0 %