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    • 3. 发明申请
    • MILDLY ALKALINE THIN INORGANIC CORROSION PROTECTIVE COATING FOR METAL SUBSTRATES
    • 用于金属基材的乳液碱性薄弱无害防腐涂料
    • US20110117381A1
    • 2011-05-19
    • US12993579
    • 2009-05-19
    • Thomas S. Smith, IIJasdeep SohiBrian D. BammelGregory T. DonaldsonJohn J. Comoford
    • Thomas S. Smith, IIJasdeep SohiBrian D. BammelGregory T. DonaldsonJohn J. Comoford
    • C23C18/00C08K3/10B05D3/10B32B15/00
    • C23C22/60C23C22/66Y10T428/12493Y10T428/1266
    • Disclosed is a neutral to alkaline inorganic chrome-free conversion coating composition that can be applied directly to a metal surface without a phosphatizing pre-treatment and that provides significant corrosion protection to the surface. The conversion coating composition preferably has a pH of from about 6 to 11 and more preferably from 8 to 10. The coating composition includes at least one element from group IVB of the Periodic table and at least one element from group VB of the Periodic Table. Preferably, the coating composition includes from 1 to 7% by weight of the at least one element from group IVB and from 0.20% to 2.00% by weight of the at least one element from group VB. The conversion coating composition is a dry in place coating and being chrome free it does not have the environmental issues associated with chrome-based coatings. The coating composition is very versatile and can accommodate addition of a wide variety of organic coating resins which can be added directly to the coating composition thus eliminating multistep coating processes.
    • 公开了一种中性至碱性无机无铬转化涂层组合物,其可以直接施加到金属表面而无需磷化预处理,并且对表面提供显着的腐蚀保护。 转化涂料组合物优选具有约6至11,更优选8至10的pH。涂料组合物包含至少一种元素周期表IVB族元素和元素周期表第VB族元素中的至少一种元素。 优选地,涂料组合物包含1至7重量%的来自IVB族的至少一种元素和0.20重量%至2.00重量%的来自VB的至少一种元素。 转化涂料组合物是干燥的涂层,并且是无铬的,其不具有与铬基涂层相关的环境问题。 涂料组合物是非常通用的,并且可以适应添加多种可以直接加入到涂料组合物中的有机涂料树脂,从而消除多步涂布方法。
    • 5. 发明授权
    • Cross linking thin organic coating resins to substrates through polyfunctional bridging molecules
    • 通过多功能桥接分子将薄有机涂层树脂交联到底物上
    • US08491729B2
    • 2013-07-23
    • US12993561
    • 2009-05-19
    • Brian D. BammelThomas S. Smith, II
    • Brian D. BammelThomas S. Smith, II
    • C23C22/48
    • C09D143/02
    • Disclosed is a method for providing an anti-corrosion protective coating to a metal substrate that uses a coating composition comprising a resin and a polyfunctional bridging molecule to both bind to the resin and to chelate the bound polymeric resin directly to the metal substrate. One category of polyfunctional bridging molecules preferably includes at least one amine function to bind to a resin and at least one carboxylate, thiol, silane, phenolate, acetoacetonate, imine, phosphate, or phosphonate function to chelate to a metal substrate. It is theorized that the amine function can bind to certain pendent chains in coating resins through a Michael addition reaction while the carboxylate, thiol, silane, phenolate, acetoacetonate, imine, phosphate, or phosphonate functions chelate to the metal substrate. These polyfunctional bridging molecules provide an organic binding of the resin to the metal substrates.
    • 公开了一种向金属基材提供抗腐蚀保护涂层的方法,其使用包含树脂和多官能桥连分子的涂料组合物来结合树脂并将结合的聚合树脂直接螯合到金属基材上。 一类多官能桥连分子优选包括至少一个胺键,其结合树脂和至少一种羧酸盐,硫醇,硅烷,酚盐,乙酰丙酮盐,亚胺,磷酸盐或膦酸盐的功能以螯合到金属底物。 理论上,胺官能团可以通过迈克尔加成反应与包衣树脂中的某些侧链结合,而羧酸盐,硫醇,硅烷,酚盐,乙酰丙酮盐,亚胺,磷酸盐或膦酸盐与金属底物起螯合作用。 这些多官能桥连分子提供树脂与金属基材的有机结合。