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    • 3. 发明授权
    • Non-stick coating having improved abrasion resistance, hardness and corrosion on a substrate
    • 不粘涂层具有改善的耐磨性,硬度和基材上的腐蚀
    • US08642171B2
    • 2014-02-04
    • US13197965
    • 2011-08-04
    • Yuqing Liu
    • Yuqing Liu
    • B32B5/16
    • B05D5/083B05D7/56B05D2202/00B05D2202/15B05D2601/00B05D2601/08B05D2601/24B05D2601/26Y10T428/25Y10T428/252Y10T428/3154Y10T428/31544
    • The present invention provides for a substrate coated with a multi-layer non-stick coating which resists abrasion force and corrosion. The coating comprises a pre-primer base coat layer and at least two further coating layers, wherein at least two of said further coating layers comprise one or more fluoropolymer. The pre-primer base coat layer is substantially free of fluoropolymer, and comprises a heat resistant non-fluoropolymer polymer binder composition and inorganic filler particles, wherein greater than 50% of the inorganic filler particles are titanium dioxide, and wherein at least 10 weight % of said inorganic filler particles are large ceramic particles having an average particle size of at least 14 micrometers, and wherein some or all of the large ceramic particles extend from the pre-primer base coat layer at least into the next adjacent layer. The heat resistant non-fluoropolymer binder is preferably selected from the group consisting of polyimide (PI), polyamideimide (PAI), polyether sulfone (PES), polyphenylene sulfide (PPS) and a mixture thereof.
    • 本发明提供了涂覆有多层不粘涂层的基材,其耐磨损和腐蚀。 涂层包括预底漆底涂层和至少两个另外的涂层,其中至少两个所述另外的涂层包含一种或多种含氟聚合物。 预底漆底涂层基本上不含氟聚合物,并且包含耐热非氟聚合物聚合物粘合剂组合物和无机填料颗粒,其中大于50%的无机填料颗粒是二氧化钛,并且其中至少10重量% 的所述无机填料颗粒是平均粒度为至少14微米的大陶瓷颗粒,并且其中一些或全部大陶瓷颗粒至少从预底漆底涂层延伸到下一相邻层。 耐热非氟聚合物粘合剂优选选自聚酰亚胺(PI),聚酰胺酰亚胺(PAI),聚醚砜(PES),聚苯硫醚(PPS)及其混合物。
    • 4. 发明申请
    • Process for improving the corrosion resistance of a non-stick coating on a substrate
    • 用于提高基底上不粘涂层的耐腐蚀性的方法
    • US20070036900A1
    • 2007-02-15
    • US11493753
    • 2006-07-26
    • Yuqing Liu
    • Yuqing Liu
    • B05D3/02
    • B05D5/083B05D5/08B05D7/544B05D7/587B05D2202/00
    • The present invention provides a process for improving the corrosion resistance of a non-stick coating on a substrate by applying a base coat to the substrate. The base coat comprises a liquid composition of heat resistant non-fluoropolymer binder and inorganic filler particles wherein the inorganic particles have an average particle size of no greater than about 2 micrometers. The liquid composition is applied to a substrate with a dry film thickness of at least about 10 micrometers, preferably about 10 to about 35 micrometers, and dried to obtain the base coat. A non-stick coating is applied over the base coat. The heat resistant non-fluoropolymer binder is preferably selected from the group consisting of polyimide (PI), polyamideimide (PAI), polyether sulfone (PES), polyphenylene sulfide (PPS) and a mixture thereof. More preferably the non-fluoropolymer binder comprises a polyamideimide having a number average molecular weight of at least about 15,000.
    • 本发明提供了一种通过向基材施加底涂层来提高基底上不粘涂层的耐腐蚀性的方法。 底涂层包括耐热非氟聚合物粘合剂的液体组合物和无机颗粒,其中无机颗粒的平均粒度不大于约2微米。 将液体组合物施加到干膜厚度为至少约10微米,优选约10至约35微米的基材上,并干燥以获得底涂层。 在基底涂层上施加不粘涂层。 耐热非氟聚合物粘合剂优选选自聚酰亚胺(PI),聚酰胺酰亚胺(PAI),聚醚砜(PES),聚苯硫醚(PPS)及其混合物。 更优选地,非氟聚合物粘合剂包括数均分子量为至少约15,000的聚酰胺酰亚胺。