Isobutylene/ma copolymer (inci)

Synonym(s)

2,5-furandiones; 2-methyl-1-propenes; CAS number: 26426-80-2; isobutylene copolymer; Isobutylenemaleic anhydride copolymer; Maleic anhydride polymer with 2,5-furandione polymer with 2-methyl-1-propene

Definition
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Isobutylene/MA copolymer is a copolymer of isobutylene and maleic anhydride (MA) monomers and is used in cosmetic formulations.

The copolymer acts as a viscosity regulator (increases or decreases the viscosity of cosmetic products). Furthermore, isobutylene/MA copolymer acts as a hair fixative (fixing the hair and thus enabling the shaping of hairstyles) and film former (forms a film on skin, hair or nails when applied).

Note(s)
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Copolymers are polymers that are composed of 2 different monomer units. Such bistructural copolymers can be divided into different classes (see below copolymers).

MA stands for "maleic anhydride" the anhydride of maleic acid, an unsaturated dicarboxylic acid. Maleic anhydride is an intermediate product in many of the chemical processes.