Colin McCoy,Sean Gorman,David Jones,Daniel Corbett,Nicola Irwin
申请号：
US15556255
公开号：
US20180244927A1
申请日:
2016.03.04
申请国别(地区):
US
年份:
2018
代理人:
摘要：
The present invention provides a polymerizable coating composition comprising: (i) 1-vinyl-2-pyrrolidinone (NVP) and 2-hydroxyethylmethacrylate (2-HEMA) for forming a copolymer； (ii) a poly(vinyl pyrrolidone) (PVP) polymer having a molecular weight of at least 500,000 g·mol−1； (iii) a co-polymerizable crosslinker for crosslinking the 1-vinyl-2-pyrrolidinone (NVP) and the 2-hydroxyethylmethacrylate (2-HEMA)； (iv) a co-polymerizable initiator for initiating co-polymerisation of the 1-vinyl-2-pyrrolidinone (NVP) and 2-hydroxyethylmethacrylate (2-HEMA)； (v) a surfactant selected from non-ionic triblock copolymers of ethylene oxide/propylene oxide, nonionic triblock copolymers of poly(propylene oxide) (PPO) and poly(ethylene oxide) (PEO), tetrablock copolymers of PPO and PEO； Triton X-100 and derivatives thereof, polyethylene glycols and derivatives thereof, PEO derivatives of sorbitan monolaurate, and combinations of any two or more thereof； (vi) a solvent, wherein a vinyl component is 1-vinyl-2-pyrrolidinone for forming the copolymer and the PVP polymer, and an acrylate component is 2-hydroxyethyl methacrylate for forming the copolymer； wherein the vinyl and acrylate components are present at a molar ratio of between 10:1 and 1:10； and wherein 20-80% (w/w) of the vinyl component is PVP polymer.
