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| Catalog Number | CI-OT-0086 |
| Product Name | VA/Crotonates Copolymer |
| CAS | 25609-89-6 |
| Structure |  |
| Synonyms | Crotonic acid, polymer with vinyl acetate |
| IUPAC Name | (E)-but-2-enoic acid;ethenyl acetate |
| Molecular Weight | 172.18 g/mol |
| Molecular Formula | C8H12O4 |
| InChI Key | VSKCCZIUZNTICH-ZPYUXNTASA-N |
| Purity | 95% |
| Density | 1.17 g/mL |
| Appearance | Solid |
| Highest Usage In Residency Products | 0.0306 |
| Isomeric SMILES | C/C=C/C(=O)O.CC(=O)OC=C |
VA/Crotonates Copolymer serves as an anionic film-forming agent in hair-setting products, offering versatile applications across aerosols, pump sprays, lotions, and foam hair fixatives. Typically available as transparent, fine beads with a mild odor, this polymer is used at concentrations of 3 to 6 percent to achieve varying levels of fixation, from normal to strong. It ensures effective fixation and curl retention, although its compatibility with propane and butane is limited. Therefore, dimethyl ether often acts as a propellant in aerosol formulations. Additionally, VA/Crotonates Copolymer can be blended with other polymers to tailor the properties of hair-setting products, allowing for a wide range of formulations through adjustments in its degree of neutralization.
What is VA/Crotonates Copolymer and what are its primary uses?
VA/Crotonates Copolymer is a copolymer composed of vinyl acetate and crotonic acid. It is an anionic film-forming agent primarily used in hair-setting applications. This copolymer is commonly utilized in aerosol and pump sprays, lotions, and foam hair fixatives to provide hold and structure to hairstyles.
In what form is VA/Crotonates Copolymer typically distributed, and does it have any noticeable odor?
VA/Crotonates Copolymer is typically distributed as transparent, fine beads. It has a weak, characteristic odor that is generally not overpowering in formulations.
What concentration of VA/Crotonates Copolymer is recommended for hair fixation, and how does it affect performance?
The recommended concentration of VA/Crotonates Copolymer for hair fixation ranges from 3% to 6%, depending on the desired degree of fixation, from normal to strong. At these concentrations, it offers good fixation properties and satisfactory curl retention.
Are there any compatibility considerations when using VA/Crotonates Copolymer in aerosol sprays?
VA/Crotonates Copolymer has limited compatibility with propane and butane, which are common propellants in aerosol sprays. To overcome this limitation, dimethyl ether is often used as an alternative propellant to ensure optimal performance and stability of the formulation.
Can VA/Crotonates Copolymer be combined with other polymers, and what effect does this have?
Yes, VA/Crotonates Copolymer can be combined with other polymers to modify and enhance the properties of hair-setting formulations. By altering the degree of neutralization and blending it with different polymers, the properties of the end product can be varied over a wide range to meet specific performance requirements.
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