Description

Poly(4-Methyl Styrene) is a high-performance thermoplastic polymer derived from the monomer 4-methylstyrene. This material is valued for its enhanced thermal stability and processability compared to standard polystyrene, making it a versatile component in advanced material formulations. It is particularly sought after by industries requiring specialized polymers with tailored physical and chemical properties for demanding applications.

Application

• As a modifier and compatibilizer in polymer blends and alloys to improve mechanical properties.
• In the formulation of specialty adhesives, sealants, and coatings requiring high thermal resistance.
• As a precursor or additive in the production of ion-exchange resins and other functional polymers.
• For use in analytical chemistry and research as a standard or reference material.
• In the development of composite materials for automotive and aerospace components.
• As a base polymer for creating photoresists and other electronic materials in microelectronics.

Basic Information

Product Name	Poly(4-Methyl Styrene)
CAS No.	24936-41-2
Molecular Formula	(C9H10)n
Molecular Weight	Varies (Polymer)
Synonyms	Poly(p-methylstyrene); Poly(4-methyl-1-phenylethylene); Poly(para-methylstyrene); PMS; P4MS; Poly(1-methyl-4-vinylbenzene); 4-Methylstyrene polymer; Poly(4-methylstyrene) homopolymer
EINECS	Contact for details

Quality Control

Our Poly(4-Methyl Styrene) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistency in molecular weight distribution, purity, and thermal properties. A Certificate of Analysis (COA) detailing key parameters is provided with every shipment to guarantee compliance with your specifications.

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 incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder or beads
Identification (IR)	Conforms to structure
Assay (as Polymer)	> 98.0 %
Residual Monomer	< 1.0 %
Glass Transition Temperature (Tg)	~100 - 130 °C
Molecular Weight (Mw)	Customizable (Typical range 10,000 - 500,000)
Polydispersity Index (PDI)	< 2.5

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