Poly(isobutylene-alt-maleic anhydride)
Poly(isobutylene-alt-maleic anhydride) (CAS 26426-80-2) is a copolymer with an average molecular weight of approximately 6,000 g/mol. This hydrophobic polymer functions effectively as a dispersing agent and surface-active agent. Its key applications leverage its ability to modify surfaces and stabilise dispersions in various formulations, making it valuable in materials science and polymer chemistry.
- IUPAC
- maleated copolymer,maleated polymer,maleic copolymer
- Synonyms
- Poly(isobutylene-co-maleic anhydride), Maleic anhydride-isobutylene copolymer
Dispersing Agent
This polymer acts as an effective dispersing agent, helping to stabilise suspensions and prevent the agglomeration of solid particles in liquid media. Its hydrophobic nature aids in the dispersion of non-polar or less polar substances.
Surface Active Agent
As a surface-active agent, Poly(isobutylene-alt-maleic anhydride) can modify interfacial properties. It is useful in applications where altering surface tension or promoting adhesion/repulsion is required.
Polymer Science Applications
Its unique structure as an alternating copolymer makes it a valuable monomer or additive in polymer synthesis and modification. It contributes to the development of advanced materials with tailored hydrophobic properties.
| Linear formula | (C4H2O3 · C4H8)X |
|---|---|
| Density | 1.3 g/mL at 25 °C(lit.) |
| Solubility | aqueous base: soluble |
| Particle size | 12-200 mesh (85%) |
| Application | Dispersing agent and surface active agent. |
| 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 Mw ~6,000 |
|---|---|
| Transition Temp | Tg (DSC) 141 °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(isobutylene-alt-maleic anhydride) used for?
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Poly(isobutylene-alt-maleic anhydride) is primarily used as a dispersing agent and a surface-active agent in various chemical and material science applications.
What is the CAS number and formula for Poly(isobutylene-alt-maleic anhydride)?
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The CAS number for Poly(isobutylene-alt-maleic anhydride) is 26426-80-2. Its linear formula is (C4H2O3 · C4H8)x.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Poly(isobutylene-alt-maleic anhydride) with an average Mw of ~6,000 and a viscosity of 0.45±0.05 dL/g in DMF. TSS does not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for this chemical?
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When handling Poly(isobutylene-alt-maleic anhydride), use appropriate personal protective equipment including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The product is classified with WGK Germany 3.
How is Poly(isobutylene-alt-maleic anhydride) packed and exported?
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As a specialist global supplier and exporter of fine chemicals, Tech Serve Solutions ensures that Poly(isobutylene-alt-maleic anhydride) is appropriately packed for safe transit and compliant with international shipping regulations.
How can I request a quote or sample?
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To request a quote or sample of Poly(isobutylene-alt-maleic anhydride), please contact our sales team through the TSS website or via your usual sales representative.
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