| 摘要 |
The present invention relates to an epoxy-polysiloxane composition obtainable by combining the following ingredients: a polysiloxane of formula (1), wherein each R<1> is independently selected from the group comprising hydroxy, alkyl, aryl and alkoxy radicals having up to six carbon atoms, each R<2> is independently selected from the group comprising hydrogen, alkyl and aryl radicals having up to six carbon atoms and, wherein n is selected so that the molecular weight for the polysiloxane is in the range of from about 400 to 10,000, with <CHEM> an epoxy resin having more than one 1,2-epoxy groups per molecule with an epoxy equivalent weight in the range of from 100 to about 5,000; and an aminopolysiloxane hardener component having active hydrogens able to react with the epoxy groups in the epoxy resin to form epoxy polymers, and able to react with the polysiloxane to form polysiloxane polymers, wherein the epoxy chain polymers and polysiloxane polymers polymerize to form a cured epoxy-polysiloxane polymer composition. |
