发明授权
- 专利标题: Coating compositions containing a highly fluorinated hydroxyl containing additive
- 专利标题(中): 含有高度含氟羟基的添加剂的涂料组合物
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申请号: US975779申请日: 1997-11-21
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公开(公告)号: US5914384A公开(公告)日: 1999-06-22
- 发明人: Douglas Robert Anton , Michael J. Darmon , William Frank Graham , Richard Ronald Thomas
- 申请人: Douglas Robert Anton , Michael J. Darmon , William Frank Graham , Richard Ronald Thomas
- 申请人地址: DE Wilmington
- 专利权人: E. I. du Pont de Nemours and Company
- 当前专利权人: E. I. du Pont de Nemours and Company
- 当前专利权人地址: DE Wilmington
- 主分类号: C08G18/62
- IPC分类号: C08G18/62 ; C08L33/06 ; C09D133/16 ; C09D161/20 ; C09D175/04 ; C08G18/42 ; C08G18/68
摘要:
A coating composition that forms a finish that is soil resistant and easily cleaned having a binder of(A) an acrylic polymer of polymerized hydroxyl containing monomers of hydroxy alkyl (meth)acrylates having 1-4 carbon atoms in the alkyl groups and polymerized monomers from the group of alkyl (meth)acrylates having 1-18 carbon atoms in the alkyl groups, styrene or any mixtures of the above and the acrylic polymer has a weight average molecular weight of about 2,000-20,000 determined by gel permeation chromatography,(B) an acrylic polymeric additive of polymerized hydroxyl containing monomers of hydroxy alkyl (meth)acrylates having 1-4 carbon atoms in the alkyl groups, polymerized monomers from the group of alkyl (meth)acrylates having 1-18 carbon atoms in the alkyl groups, styrene or any mixtures of the above and polymerized fluoro alkyl containing monomer represented by the formula ##STR1## where R is selected from the group of hydrogen or an alkyl group having 1-2 carbon atoms, X is a divalent radical and R.sub.f is a fluoro alkyl containing group having 4-20 carbon atoms and the additive has a weight average molecular weight of about 1,000-15,000 determined by gel permeation chromatography, and(C) an organic crosslinking agent; and where a cured layer of the coating of the composition has a combination of advancing water contact angle of at least 100.degree. and a hexadecane advancing contact angle of at least 40.degree.. Articles coated with the composition also are part of this invention.
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