Benzene, Ethenyl-, Polymer With (1-Methylethenyl)Benzene, Hydrogenated CAS NO 68441-37-2

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CAS No.:68441-37-2

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

Benzene, Ethenyl-, Polymer With (1-Methylethenyl)Benzene, Hydrogenated is a high-purity, hydrogenated copolymer derived from styrene and α-methylstyrene. This specialized polymer offers enhanced thermal stability, oxidative resistance, and excellent compatibility with a wide range of materials, making it a valuable performance additive. It is primarily utilized in advanced industrial applications where durability and reliability under demanding conditions are critical. Key sectors that rely on this material include specialty adhesives, high-performance coatings, and advanced polymer compounding.

Application

As a tackifier and modifier in hot-melt and pressure-sensitive adhesives to improve bond strength and thermal stability.
As a compatibilizer and processing aid in polymer blends and alloys to enhance mechanical properties and flow characteristics.
As a resin component in high-performance industrial and protective coatings for improved weatherability and chemical resistance.
In the formulation of sealants and caulks to provide long-term flexibility and adhesion.
As an additive in rubber compounding to modify viscoelastic properties and processing behavior.
In the production of engineering plastics and specialty compounds requiring enhanced thermal and oxidative stability.
Potential use as a viscosity index improver or thickener in select lubricant and grease formulations.

Basic Information

Item	Detail
Product Name	Benzene, Ethenyl-, Polymer With (1-Methylethenyl)Benzene, Hydrogenated
CAS No.	68441-37-2
Molecular Formula	(C8H8·C9H10)n (Hydrogenated)
Molecular Weight	Varies (Polymer)
Synonyms	Hydrogenated Styrene/α-Methylstyrene Copolymer; Hydrogenated Styrene-α-Methylstyrene Resin; HSAMS; HS/α-MS Copolymer; Hydrogenated S/AMS Copolymer; (Vinylbenzene)/(1-Methylvinyl)benzene Hydrogenated Polymer; Hydrogenated Poly(styrene-co-α-methylstyrene)
EINECS	Contact for details

Quality Control

Our Hydrogenated Styrene/α-Methylstyrene Copolymer is manufactured under a strict quality management system. Each batch is subjected to rigorous analytical testing to ensure consistency in key parameters such as molecular weight distribution, degree of hydrogenation, softening point, and color. Certificates of Analysis (COA) documenting these specifications are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (typically 15-25°C). Keep away from strong oxidizing agents and heat sources to maintain product integrity.

Specification

Item	Specification
Appearance	Pale yellow to amber solid/pellets
Softening Point (Ring & Ball)	85 - 120°C (Grade Dependent)
Color (Gardner)	≤ 4
Hydrogenation Degree	> 95%
Ash Content	< 0.1%
Acid Value	< 1.0 mg KOH/g
Volatile Matter	< 0.5%