08-01-2015 дата публикации
Номер: US20150011671A1
Принадлежит:
A hydrophilic silicone polymer composition suitable for use in producing hydrogel polymer films disclosed. In one aspect, a hydrophilic silicone monomer is of the Formula 1: 2. The polymer in the composition of claim 1 , wherein L is a hydrophilic residue chosen from a polyalkyleneoxide claim 1 , optionally a polyalkyleneoxide chosen from —CHCHO— claim 1 , —CHCH(CH)O— claim 1 , —CHCHCHO— claim 1 , and their analogues with up to 6 carbon atoms.4. The polymer in the composition of wherein R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , and Rin the unit G of group E are independently selected from a hydrocarbon radical chosen from methyl claim 1 , ethyl claim 1 , propyl claim 1 , iso-propyl claim 1 , butyl claim 1 , isobutyl claim 1 , phenyl claim 1 , naphthyl claim 1 , an aralkyl radical with 8 to 20 carbon atoms claim 1 , trifluoromethylpropyl claim 1 , and combinations of two or more thereof.6. The polymer in the composition of claim 1 , where Rand Rare hydrogen claim 1 , Ris chosen from hydrogen or a methyl radical claim 1 , and Ris a part of an ethylenically-unsaturated hydrophilic monomer or a hydrophobic monomer.7. The composition of claim 1 , wherein siloxane polymer has at least one terminal reactive group.8. The composition of where the siloxane polymer is (a) a homopolymer or (b) a copolymer.9. The composition of claim 8 , wherein the polymer is a copolymer further comprising a free-radical polymerizable organic monomer chosen from a vinylic monomer claim 8 , an acrylide monomer claim 8 , an acrylic monomer claim 8 , or a combination of two or more thereof.10. The copolymer of claim 8 , wherein the vinylic monomer is chosen from N-vinyl-pyrrolidone claim 8 , N-vinyl-caprolactam claim 8 , N-vinyl-acetamide claim 8 , N-vinyl-formamide and N-vinyl-isopropylamide claim 8 , vinyl benzene claim 8 , vinyl naphthalene claim 8 , vinyl pyridine claim 8 , vinyl alcohol claim 8 , vinyl containing silicones claim 8 , or a ...
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