Patent ID: 9403949
Filing Date: 2016-08-02
CPC Classification: C08G,C09D

Claim Text:
1. A process for the preparation of an acetoacetyl functional silicon-based resin, the process comprising: i) reacting a silane compound having three or more condensable functionalities with at least a polyol in excess by condensation, thereby forming a silicon-based resin; and ii) functionalizing the silicon-based resin with an acetoacetyl functional compound, to form the acetoacetyl functional silicon-based resin, wherein at least portion of the acetoacetyl functional silicon-based resin has the following structure of Formula (II): wherein, X 1 , X 2 , X 3 and X 4 are independently, at each occurrence, selected from —O—X A —O—U, —O—X B —O—U, —O—X C —O—U, with Y 1 and Y 2 being independently, at each occurrence, selected from the group consisting of —O—X A —O—U, —O—X B —O—U and —O—X C —O—U; X A , X B and X C are independently, at each occurrence, selected from the group consisting of —CH 2 —CH 2 —, U represents independently, at each occurrence, H or with not all of Us being H; n represents independently, at each occurrence, an integer from 1 to 10; and k represents independently, at each occurrence, an integer from 1 to 10.