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Hair spray are a blend of polymers that provide structural support to hair. These frequently include copolymers of polyvinylpyrrolidone (PVP) and polyvinyl acetate (PVAc). Vinyl acetate-crotonic acid copolymers give harder films. In this way hairsprays can be formulated as flexible, medium, and maximum hold. [2]
One of the polymers used in hair spray is polyvinylpyrrolidone, which is water-soluble. The non-water-soluble polymer polydimethylsiloxane is added to make the hold last a bit longer. Some less common polymers found in hair spray include copolymers with vinyl acetate and copolymers with maleic anhydride.
It is the copolymer of acrylamide and the quaternary ammonium salt diallyldimethylammonium ... for example in shampoo, hair conditioner, hair spray, mousse, soap ...
Polyquaternium is the International Nomenclature for Cosmetic Ingredients designation for several polycationic polymers that are used in the personal care industry. . Polyquaternium is a neologism used to emphasize the presence of quaternary ammonium centers in t
Examples of this use include Bausch & Lomb's Ultra contact lenses with MoistureSeal Technology [8], Air Optix contact lens packaging solution (as an ingredient called "copolymer 845") [9], and Johnson & Johnson's Acuvue contact lenses. [10] PVP is used as a lubricant in some eye drops, e.g. Bausch & Lomb's Soothe. [11]
Such copolymers are used as resins and paints, coatings and adhesives, as well as hair spray. The most significant use for DMAEA is the quaternization with alkylating agents (for example chloromethane , dimethyl sulfate or benzyl chloride ) to the quaternary ammonium salt.
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