Patent ID: 9453944
Filing Date: 2016-09-27
CPC Classification: C08F,G02B

Claim Text:
1. A composition for forming a hydrogel comprising an alpha, beta-unsaturated amido-containing organosilicon compounds having the structure of Formula (I): wherein: R R R A is oxygen or sulfur; G is a hydroxyl-substituted cycloalkylene group; R X X —[OSi(CH 3 ) 2 ] m G 1 , wherein G 1 is (CH 3 ) 3 SiO— or H(CH 3 ) 2 SiO—, or an alpha, beta-unsaturated amido-containing group with the general formula: and m is an integer from 0 to 200, with the proviso that when X 2 is —[OSi(CH 3 ) 2 ] m G 1 , then X 1 and X 3 is methyl; X —OSi(CH 3 ) 2 , with the provisos that (i) when X 1 is —O[Si(CH 3 ) 2 O—] n , then X 3 is —OSi(CH 3 ) 2 and X 1 forms a chemical bond with the X 3 to form a divalent —X 1 -X 3 — group, which is bonded to the silicon atom to form a cyclic polysiloxane ring, (ii) when X 3 is —OSi(CH 3 ) 2 , then X 1 is —O[Si(CH 3 ) 2 O—] n and X 1 forms a chemical bond with the X 3 to form a divalent —X 1 -X 3 — group, which is bonded to the silicon atom to form a cyclic polysiloxane ring.