Poly(styrene-co-maleic acid), partial isobutyl/methyl mixed ester
Poly(styrene-co-maleic acid), partial isobutyl/methyl mixed ester (CAS 63528-92-7) is a copolymer with an average molecular weight (Mv) of approximately 180,000. This versatile polymer exhibits a glass transition temperature (Tg) of 140-150 °C and a flow temperature of 230-235 °C. It is supplied as a powder and is soluble in aqueous bases, alcohols, ketones, and ethyl acetate. Its properties make it suitable as a dispersant, emulsifier, binder, sizing agent, and viscosity modifier.
- IUPAC
- maleated copolymer,maleated polymer,maleic copolymer
- Synonyms
- [CH2CH(C6H5)]x[CH(CO2R)CH(CO2R)]y, R = H or CH3 or-CH2CH(CH3)2maleated copolymermaleated polymermaleic copolymer
![Poly(styrene-co-maleic acid), partial isobutyl/methyl mixed ester ([CH2CH(C6H5)]x[CH(CO2R)CH(CO2R)]y, R = H or CH3 or-CH2CH(CH3)2) — chemical structure, CAS 63528-92-7; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F63528-92-7.png&w=3840&q=75)
Dispersant and Emulsifier
This copolymer functions effectively as a dispersant and emulsifier, aiding in the stabilization of mixtures and suspensions in various formulations.
Binder and Sizing Agent
It serves as a binder in material applications and as a sizing agent, contributing to the structural integrity and surface properties of materials.
Viscosity Modifier
The polymer is utilized to modify and control the viscosity of liquid systems, offering precise rheological properties.
| Linear formula | [CH2CH(C6H5)]x[CH(CO2R)CH(CO2R)]y, R = H or CH3 or-CH2CH(CH3)2 |
|---|---|
| Form | powder |
| Density | 1.15 g/mL at 25 °C(lit.) |
| Solubility | aqueous base, alcohols, ketones and ethyl acetate: soluble |
| Viscosity | 15-35 cP, 10 %(25 °C, Brookfield, spindle #1)(60 rpm, pH 8.3)(lit.) |
| Application | Dispersant, emulsifier, binder, sizing agent and viscosity modifier. |
| 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 Mv ~180,000 |
|---|---|
| Transition Temp | Tg 140-150 °Cflow temperature 230-235 °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 acid), partial isobutyl/methyl mixed ester used for?
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This copolymer is used as a dispersant, emulsifier, binder, sizing agent, and viscosity modifier.
What are the CAS number and formula for this product?
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The CAS number is 63528-92-7. The linear formula is [CH2CH(C6H5)]x[CH(CO2R)CH(CO2R)]y, where R = H or CH3 or-CH2CH(CH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical as a technical/research grade. We do not represent it as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated in the product specifications.
What are the safety and handling considerations for this product?
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Users should wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The product has a WGK rating of 3 in Germany, indicating a significant hazard to water.
How is this chemical packed and shipped?
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This polymer is supplied as a powder and is exported by Tech Serve Solutions globally.
How can I request a sample or quote?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team through our website or by phone.
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