Poly(styrene-co-α-methylstyrene)
Poly(styrene-co-α-methylstyrene) (CAS: 9011-11-4), with the linear formula [CH2CH(C6H5)]x[CH2C(CH3)(C6H5)]y, is a hydrophobic copolymer. This material exhibits a softening point of 119°C and a glass transition temperature (Tg) of 67°C. It is soluble in hydrocarbons, esters, and ketones, but insoluble in water, alcohols, and glycols. Its primary applications include use as an additive in sealants, caulks, adhesives, and coatings to enhance material properties.
![Poly(styrene-co-α-methylstyrene) ([CH2CH(C6H5)]x[CH2C(CH3)(C6H5)]y) — chemical structure, CAS 9011-11-4; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F9011-11-4.png&w=3840&q=75)
Sealants and Caulks
Incorporated as an additive in sealant and caulk formulations to modify rheological properties and improve hydrophobicity and adhesion.
Adhesives
Used in adhesive compositions to enhance bonding characteristics and resistance to moisture due to its hydrophobic nature.
Coatings
Serves as a component in coating formulations, contributing to water resistance and durability.
| Linear formula | [CH2CH(C6H5)]x[CH2C(CH3)(C6H5)]y |
|---|---|
| Density | 1.07 g/mL at 25 °C |
| Solubility | hydrocarbons, esters and ketones: solublewater, alcohols and glycols: insoluble |
| Application | Additive to sealants, caulks, adhesives, and coatings. |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Transition Temp | softening point 119 °C (ring and ball)Tg (DSC) 67 °C (onset) |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Poly(styrene-co-α-methylstyrene) used for?
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Poly(styrene-co-α-methylstyrene) is primarily used as an additive in sealants, caulks, adhesives, and coatings.
What are the CAS number and formula for Poly(styrene-co-α-methylstyrene)?
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The CAS number is 9011-11-4, and the linear formula is [CH2CH(C6H5)]x[CH2C(CH3)(C6H5)]y.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product for research and general laboratory use. The specific assay and purity depend on the available batch. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated in the product specifications.
What are the safety and handling considerations for Poly(styrene-co-α-methylstyrene)?
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When handling this material, it is important to use appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if airborne exposure is possible. The product has a WGK Germany rating of 3, indicating it is hazardous to water.
How is this product packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals adhering to all relevant international regulations and standards for safe transport.
How can I request a sample or a quote?
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To request a sample or a quote for Poly(styrene-co-α-methylstyrene), please contact our sales team through the website or by phone.
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