Description

Poly(3-Bromostyrene) is a functionalized polymer derived from the monomer 3-bromostyrene, offering a versatile platform for further chemical modification due to its reactive bromine substituent. This material is valued for its ability to introduce specific functionality, polarity, or cross-linking sites into polymer chains, enabling the creation of advanced materials with tailored properties. It is primarily utilized by R&D chemists and material scientists in the polymer, electronics, and specialty chemical industries for applications ranging from flame retardancy to the synthesis of block copolymers and functional resins.

Application

• Polymer Modification & Functionalization: Acts as a reactive intermediate for introducing bromine functionality into polymer backbones for further derivatization (e.g., Suzuki coupling, nucleophilic substitution).
• Flame Retardant Additive: Serves as a halogenated component in the formulation of flame-retardant polymers and coatings.
• Precursor for Block & Graft Copolymers: Used in controlled radical polymerization techniques (e.g., ATRP) to synthesize well-defined block or graft copolymers with specific segment properties.
• Lithographic Resists & Electronic Materials: Employed in the development of photoresists and dielectric materials for microelectronics fabrication.
• Ion-Exchange & Chelating Resins: Provides a polymeric scaffold for creating resins with bromine groups that can be converted into ion-exchange or metal-chelating sites.
• Cross-Linking Agent: Functions as a cross-linker in thermoset polymers to enhance thermal stability and mechanical strength.
• Surface Modification: Used to coat surfaces with a bromine-functionalized layer for subsequent biomolecule immobilization or adhesion promotion.
• Academic & Industrial R&D: A key reagent for research in polymer science, materials chemistry, and organic synthesis.

Basic Information

Product Name	Poly(3-Bromostyrene)
CAS No.	25584-47-8
Molecular Formula	(C8H7Br)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(3-bromostyrene); Poly(m-bromostyrene); Poly(1-(3-bromophenyl)ethylene); 3-Bromostyrene polymer; m-Bromostyrene polymer; Poly(3-bromophenylethylene); P3BrS; Brominated polystyrene (specific isomer)
EINECS	Contact for details

Quality Control

Our Poly(3-Bromostyrene) is manufactured under controlled conditions to ensure batch-to-batch consistency. Quality is verified through a suite of analytical techniques to confirm key parameters such as bromine content, molecular weight distribution, and purity. Certificates of Analysis (COA) detailing specific results for each batch are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white powder or beads
Bromine Content	≥ 35.0 % (Typical)
Molecular Weight (Mw)	5,000 - 50,000 g/mol (Customizable)
Polydispersity Index (PDI)	1.5 - 2.5 (Typical)
Glass Transition Temperature (Tg)	~ 100 - 120 °C
Residual Monomer	< 1.0 %
Identification (IR)	Conforms to structure

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