Description

Benzene,1-Ethenyl-4-Methyl-,Polymer With Ethenylbenzene is a high-performance copolymer derived from p-methylstyrene and styrene, known for its excellent thermal stability and processability. This engineered polymer is valued for its ability to enhance material properties, offering superior resistance to heat and chemicals compared to standard polystyrene. It is a critical raw material for manufacturers in the plastics, coatings, and specialty resin industries seeking to improve product durability and performance.

Application

• High-Temperature Plastics and Resins: Used as a key component in engineering plastics requiring enhanced heat deflection temperature and dimensional stability.
• Specialty Coatings and Adhesives: Serves as a base polymer for formulating high-performance industrial coatings, sealants, and adhesives with improved chemical resistance.
• Electronic Encapsulation: Employed in potting compounds and encapsulants for electronic components due to its good electrical insulation properties and thermal endurance.
• Automotive Components: Utilized in the production of under-the-hood automotive parts and interior trim materials that must withstand elevated temperatures.
• Polymer Modification: Acts as a compatibilizer or modifier to improve the impact strength and processability of other polymer blends.
• Optical Materials: Potential use in the development of optical lenses and films where clarity and thermal stability are paramount.

Basic Information

Product Name	Benzene,1-Ethenyl-4-Methyl-,Polymer With Ethenylbenzene
CAS No.	26655-84-5
Molecular Formula	(C9H10·C8H8)x
Molecular Weight	Contact for details
Synonyms	Poly(p-methylstyrene-co-styrene); p-Methylstyrene-Styrene Copolymer; Styrene/p-Methylstyrene Copolymer; PMS-co-Sty; Poly(styrene-co-p-methylstyrene); 4-Methylstyrene Styrene Polymer; Vinyltoluene-Styrene Copolymer; Poly(4-methylstyrene-co-styrene)
EINECS	Contact for details

Quality Control

Our p-Methylstyrene-Styrene Copolymer is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistency in molecular weight distribution, composition, and key physical properties. Certificates of Analysis (COA) detailing purity, residual monomer content, and other critical parameters are 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 room temperature (15-25°C). Keep away from heat sources and open flames. For long-term storage, consider under an inert atmosphere to maintain polymer integrity.

Specification

Item	Specification
Appearance	White to off-white beads or powder
Composition (p-Methylstyrene content)	Contact for details
Molecular Weight (Mw)	Contact for details
Glass Transition Temperature (Tg)	Contact for details
Residual Monomer	< 0.5%
Moisture Content	< 0.1%
Ash Content	< 0.05%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.