Poly(styrene-co-maleic anhydride), cumene terminated
Poly(styrene-co-maleic anhydride), cumene terminated (CAS: 26762-29-8) is a hydrophobic copolymer with an average number-average molecular weight of approximately 1,600 (Mn) by GPC and a glass transition temperature (Tg) of 154 °C. It exhibits solubility in ketones, ethers, and alkaline solutions. This polymer finds utility as a leveling aid in films, an embrittling agent in shampoos, a pigment dispersant, and in paper sizing and aqueous grinding fluids.
- IUPAC
- Poly(styrene-co-maleic anhydride),maleated copolymer,maleated polymer,maleic copolymer
- Synonyms
- Poly(styrene-co-maleic anhydride),maleated copolymer,maleated polymer,maleic copolymer

Film Leveling Agents
This copolymer functions as an effective leveling aid in the formulation of films, contributing to smoother and more uniform surfaces.
Shampoo Additives
Utilised as an embrittling and anti-resoil agent in shampoo formulations, it helps to improve product performance and texture.
Pigment Dispersion
Its properties make it suitable for use as a dispersant for pigments, aiding in their uniform distribution within various matrices.
Paper Sizing
This polymer can be employed in paper manufacturing processes for sizing applications, influencing paper properties.
Aqueous Grinding Fluids
It serves a role in aqueous grinding fluid formulations, contributing to their functional characteristics.
| Solubility | ketones, ethers and alkali: soluble |
|---|---|
| Application | Leveling aids in films, embrittling/anti-resoil agents in shampoos, pigment dispersants, paper sizing and aqueous grinding fluids. |
| 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.
| Mol Wt | average Mn ~1,600 by GPC |
|---|---|
| Transition Temp | Tg 154 °C |
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-maleic anhydride), cumene terminated used for?
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Poly(styrene-co-maleic anhydride), cumene terminated is used as a leveling aid in films, an embrittling and anti-resoil agent in shampoos, a pigment dispersant, and in paper sizing and aqueous grinding fluids.
What is the CAS number and formula for Poly(styrene-co-maleic anhydride), cumene terminated?
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The CAS number is 26762-29-8. The chemical formula is not specified in the provided data.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an average Mn of ~1,600 by GPC and a Tg of 154 °C. It is not represented as USP, BP, EP, or pharmaceutical grade.
How should Poly(styrene-co-maleic anhydride), cumene terminated be handled?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The product is classified under WGK Germany 3.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Specific packaging, shipping, and export details are available upon request.
How can I request a sample or quote for this chemical?
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To request a sample or quote, please contact the Tech Serve Solutions sales team through our official channels.
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