润滑科技信息平台

专利摘要

提供了一种可光固化的亲水性聚合物、基于其的涂料组合物、亲水性润滑涂料和产品。光固化性亲水性聚合物是由具有特定结构的可聚合光敏单体与亲水性单体共聚而成。该光固化亲水聚合物光固化效率高,制备方法简单,生产效率高,环境污染少。此外,基本上不存在凝胶化的问题。通过固化涂料组合物,可以获得具有高牢固性和润滑性以及优异的生物安全性和相容性的亲水性涂料。 ......

基本信息

专利类型:
发明专利
申请/专利号:
EP2019843268
申请日期:
2019-07-04
专利申请人:
分类号:
["C07C229/12","C07C229/16","C07C227/08","C08F226/10","C08F220/36","C08F220/06","C08F2/50","C09D139/06","C09D133/02","A61L31/10","A61L31/14","C07C69/54","C08F220/10","C08F220/20","C08F220/54","C08F220/56"]
发明/设计人:
TANG, ZENGCHAO ， LEI, JIEHUA
权利要求: 1. A photocurable hydrophilic polymer, which is formed by copolymerization of polymerizable photosensitive monomer and hydrophilic monomer; Wherein, the polymerizable photosensitive monomer comprises: 1) units containing photosensitive structure; 2) units containing tertiary amine co-initiator structure; 3) units containing unsaturated bond; Wherein, the units containing photosensitive structure are derived from an aryl ketone type photoinitiator structure, which includes a carbonyl functional group and one or more aromatic rings, and wherein the units containing photosensitive structure are at least connected with units containing tertiary amine co-initiator structure through -OC(=O)-, the units containing unsaturated bond structure are connected with units containing photosensitive structure through units containing tertiary amine co-initiator structure.2. The photocurable hydrophilic polymer according to claim 1, wherein the polymerizable photosensitive monomers have the structure of general formula (I): wherein, n is an integer of 1-20, preferably 1 or 2; R1=O or NR, R is H, a C1-C20 straight alkyl group or a C3-C20 branched alkyl group; R2=H, a C1-C20 straight alkyl group or a C3-C20 branched alkyl group.3. The photocurable hydrophilic polymer according to claim 1 or 2, wherein the hydrophilic monomer includes unsaturated carboxylic acid or carboxylate, unsaturated carboxylic acid ester, unsaturated hydroxyalkyl ester, unsaturated polyether ester, unsaturated anhydride, unsaturated amide, unsaturated lactam and alkylene oxide, or mixtures thereof; preferably, the hydrophilic monomer is selected from (meth)acrylic acid, (meth)acrylamide, vinyl pyrrolidone, hydroxyethyl(propyl) (meth)acrylate, polyethylene glycol methyl ether (meth) acrylate, dimethylacrylamide, or mixtures thereof; more preferably, the hydrophilic monomer is selected from polyethylene glycol methyl ether acrylate.4. The photocurable hydrophilic polymer according to claim 1 or 2, wherein the molar fraction of polymerizable photosensitive monomer in the hydrophilic polymer is 0.05-10%, preferably 0.5-5%, and further preferably 0.8-1.5%.5. The photocurable hydrophilic polymer according to claim 1 or 2, wherein the the number average molecular weight of photocurable hydrophilic polymer, as determined according to description, is 2,000-1,500,000, preferably 50,000-600,000, further preferably 150,000-300,000.6. A coating composition, comprising: 1) photocurable hydrophilic polymer according to any of claim 1 to 5, which has a mass fraction of 0.1-20%, preferably 1-10%, further preferably 3-5%, based on the total amount of the coating composition; 2) solvent, which has a mass fraction of 60-99.9%, preferably 90-99%, and more preferably 95-98%.7. The coating composition according to claim 6, wherein the solvent includes water, low molecular weight alcohol, N,N-dimethylformamide, N,N-dimethylacetamide, dimethylsulfoxide, acetone, phenol, or mixture thereof, preferably the solvent is a mixture of water and ethanol, more preferably, the volume ratio of water and ethanol is 2:3-3:2.8. A hydrophilic lubricating coating obtained by curing the coating composition of any of claim 6 or 7.9. An article, such as a medical device, comprising at least one layer of the hydrophilic lubricating coating of claim 8.