Poly(butadiene/maleic acid) 1:1 is a water-soluble copolymer supplied as a 42% solution in water. It combines the hydrophobic character of polybutadiene with the carboxyl functionality of maleic acid, making it useful as a dispersing agent, adhesion promoter, or surfactant in aqueous formulations.
This product contains approximately 210 g polymer per 500 g solution and is suitable for research and formulation work involving water-based coatings, suspensions, emulsions, composite materials, and surface modification systems.
Key Properties
- Water-soluble poly(butadiene/maleic acid) copolymer
- Supplied as a 42% solution in water
- 1:1 butadiene-to-maleic acid copolymer composition
- CAS Number: 28265-35-2
- Molecular weight: 10,000-15,000
- Viscosity: 2500 cPs
- Glass transition temperature (Tg): 57°C
- Solids: 0.42
Applications
Adhesives & Coatings
Used in water-based coating and adhesive formulation research where improved adhesion, film formation, and formulation stability are desired.
Dispersing Agent
May be used in suspensions and emulsions to help stabilize formulations and improve dispersion of compatible components.
Surface Modification
Useful in research involving wettability, adhesion, and surface interaction in composite materials and related polymer systems.
Surfactant & Formulation Studies
Suitable for laboratory evaluation as a functional copolymer additive in aqueous formulations requiring carboxyl functionality and hydrophobic-hydrophilic balance.
Solubility & Compatibility
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Solubility: Water-soluble aqueous copolymer solution
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Polymer type: Butadiene/maleic acid copolymer
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Functional groups: Maleic acid-derived carboxyl functionality
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Formulation use: Applicable to water-based coatings, dispersions, suspensions, emulsions, and surface modification systems
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Compatibility: Performance depends on pH, ionic strength, concentration, substrate, additives, and formulation conditions
Final performance should be evaluated under the intended formulation, processing, and application conditions.
Preparation Tips
- Mix thoroughly before use to ensure solution uniformity.
- Add gradually to aqueous formulations under agitation for consistent incorporation.
- Evaluate pH, solids level, and ionic strength, as these can influence dispersion and adhesion behavior.
- Confirm compatibility with target binders, fillers, pigments, substrates, or emulsion systems before scale-up.
- Document concentration, mixing order, pH, and processing conditions for reproducible results.
Handling & Storage
- Exercise normal care when handling this material.
- Store at room temperature.
- Keep container tightly closed when not in use.
- Use standard laboratory handling practices.
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Frequently Asked Questions
1. What is Poly(butadiene/maleic acid) 1:1 used for?
Poly(butadiene/maleic acid) 1:1 is used in research and formulation work involving dispersants, adhesion promoters, surfactants, water-based coatings, suspensions, emulsions, and surface modification systems.
2. What does 42% solution in water mean?
The product is supplied as an aqueous solution with 42% solids, equivalent to approximately 210 g polymer per 500 g solution.
3. What is the molecular weight of this product?
The listed molecular weight for this Poly(butadiene/maleic acid) 1:1 product is 10,000-15,000.
4. Can this product be used as a dispersing agent?
Yes. It may be used as a dispersing agent in compatible suspensions, emulsions, and water-based formulations. Performance should be evaluated under the intended formulation conditions.
5. How should this product be stored?
Store at room temperature and keep the container tightly closed when not in use. Exercise normal care and refer to the SDS for complete safety guidance.
Safety & Documentation
This product is listed as an irritant. Exercise normal care when handling this material and refer to the Safety Data Sheet (SDS) for hazard information, recommended PPE, and safe handling guidance.
