Composite pressure sensitive adhesive microsphere

C - Chemistry – Metallurgy – 09 – J

Patent

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Details

C09J 151/00 (2006.01) C08F 265/06 (2006.01) C09J 11/00 (2006.01)

Patent

CA 2254930

Composite pressure sensitive adhesive microspheres are provided comprising two or more water insoluble polymers that are mixed wholly within the boundaries of polymeric microspheres. The range of monomers and polymers are chosen to tailor the properties of the composite pressure sensitive adhesive microspheres for specific performance and/or application requirements. Any polymer that can be dissolved into a solvent monomer or mixture of solvent monomers can be used to prepare the composite pressure sensitive adhesive microspheres. Pressure sensitive adhesive microspheres according to this invention can be prepared using free radical suspension polymerization.

Cette invention se rapporte à des microsphères auto-adhésives composites, qui comprennent au moins deux polymères insolubles dans l'eau, qui sont entièrement mélangés à l'intérieur des limites des microsphères polymères. La gamme des monomères et des polymères est choisie pour adapter les propriétés des microsphères auto-adhésives composites à des nécessités de performances et/ou d'applications spécifiques. Tout polymère qui peut être dissous dans un monomère solvant ou dans un mélange de monomères solvants peut être utilisé pour la préparation de ces microsphères auto-adhésives composites. Ces microsphères auto-adhésives peuvent être préparées à l'aide de la polymérisation en suspension à radicaux libres.

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