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    • 1. 发明授权
    • Coating composition containing metal-coated microspheres exhibiting
improved resistance to environmental attack of metallic substrates
    • 包含金属涂覆的微球体的涂料组合物显示出改进的抵抗金属基材的环境侵蚀的能力
    • US5182318A
    • 1993-01-26
    • US639782
    • 1991-01-10
    • Ronald R. Savin
    • Ronald R. Savin
    • C08L63/00C09D5/10C09D127/06C09D163/00C09D167/00C09D175/04
    • C09D167/00C09D127/06C09D163/00C09D175/04C09D5/106C08L63/00
    • A coating composition for the protection of metallic substrates against environmental attack comprising, in weight percent, from about 10% to about 30% of at least one film-forming polymer such as epoxy resins having an epoxide value of about 250 to about 2500, vinyl chloride resins copolymerized with polyisocyanates, polyurethane resins, and polyester resins; from about 40% to about 55% particulate metallic zinc; from about 4.75% to about 7% zinc-coated hollow glass-like microspheres having diameters ranging from about 2.5 to about 60 microns, the volumetric ratio of the metallic zinc to the microspheres ranging from about 0.8:1 to 1.2:1; from about 1.5 to about 3% of at least one particle size grade of pyrogenic amorphous silica having an average particle size ranging from about 0.007 to about 0.04 micron; and not more than 30% solvents compatible with the film-forming polymer. A dried coating of this composition, having a thickness of at least about 4 mils (about 100 microns), is cathodic and electrically non-conductive.
    • 一种用于保护金属基材免受环境侵蚀的涂料组合物,其包含重量百分比为约10%至约30%的至少一种成膜聚合物,例如环氧树脂的约250至约2500的环氧树脂,乙烯基 与多异氰酸酯,聚氨酯树脂和聚酯树脂共聚的氯化物树脂; 约40%至约55%的颗粒金属锌; 约4.75%至约7%直径范围为约2.5至约60微米的镀锌中空玻璃样微球,金属锌与微球的体积比约为0.8:1至1.2:1; 约1.5至约3%的平均粒度范围为约0.007至约0.04微米的至少一种粒度级别的热解无定形二氧化硅; 和不超过30%的与成膜聚合物相容的溶剂。 具有至少约4密耳(约100微米)厚度的该组合物的干燥涂层是阴极和非导电性的。
    • 5. 发明授权
    • Coating composition exhibiting improved resistance to environmental
attack
    • 具有改善的耐环境侵蚀性的涂料组合物
    • US5098938A
    • 1992-03-24
    • US697731
    • 1991-05-03
    • Ronald R. Savin
    • Ronald R. Savin
    • C09D5/08
    • C09D5/10C09D5/08
    • A coating composition for the protection of substrates against environmental attack comprising, in weight percent based on the solvent-free weight of the composition, from about 8% to about 35% of at least one film forming polymer; from 0 to about 60% of a corrosion inhibiting agent such as metal chromates, metal phosphates, metal molybdates, particulate metallic zinc and/or particulate metallic aluminum; from 3% to about 6% of mixture of pyrogenic amorphous silicas of different particle sizes having average particle sizes ranging from about 0.007 to about 0.04 micron; from about 15% to about 55% of at least one crystalline silica having an oil absorption value of less than 20 measured by ASTM Standard Test D281-84; and 0 to 35% based on the total weight of the composition, of at least one solvent compatible with the polymer. The compositions can be prepared in organic solvent-based, water-based, or solvent-free powder forms, and have utility as primer coatings for aircraft and aerospace vehicles, and for protection of metallic substrates against corrosion.
    • 用于保护基材免受环境侵蚀的涂料组合物,其以组合物的无溶剂重量为基准的重量百分数为约8%至约35%的至少一种成膜聚合物; 0至约60%的腐蚀抑制剂如金属铬酸盐,金属磷酸盐,金属钼酸盐,颗粒金属锌和/或颗粒状金属铝; 3%至约6%的平均粒度范围为约0.007至约0.04微米的不同粒度的热解无定形二氧化硅的混合物; 约15%至约55%的至少一种通过ASTM标准试验D281-84测量的吸油值小于20的结晶二氧化硅; 和基于组合物总重量的0至35%的至少一种与聚合物相容的溶剂。 组合物可以以有机溶剂型,水性或无溶剂粉末形式制备,并且可用作飞机和航空航天车辆的底漆涂料,并用于保护金属基材免受腐蚀。
    • 6. 发明授权
    • Zinc-rich coating composition with inorganic binder
    • 富含锌的无机粘合剂组合物
    • US5167701A
    • 1992-12-01
    • US887547
    • 1992-05-22
    • Ronald R. Savin
    • Ronald R. Savin
    • C09D5/10
    • C09D5/106
    • A one-package zinc-rich coating composition having an inorganic binder which provides protection of metallic substrates against environmental attack comprises, in volume percent:from about 55% to about 60% of an alkyl silicate solution having a solids content of about 35% to about 45% by weight; about 10% to about 14% zinc dust of at least one different particle size grade; about 0.5% to about 2.5% zinc flakes; about 3% to about 6% particulate ferrophosphate; about 10% to about 17% of a particulate crystalline silica having an oil absorption value of less than 20 measured by ASTM Test D 281-84; about 1% to about 2.5% of at least two different size grades of pyrogenic amorphous silicas having average particle sizes ranging from about 0.007 to about 0.04 micron; about 0.3% to about 0.5% of a wetting agent; and about 7% to about 8% of an anhydrous alcohol solvent.
    • 具有无机粘合剂的单组分富含锌的涂料组合物,其提供金属底物防止环境侵蚀的保护包括体积百分比:约55%至约60%的固体含量为约35%的烷基硅酸盐溶液, 约45重量% 约10%至约14%的至少一种不同粒度等级的锌粉; 约0.5%至约2.5%的锌片; 约3%至约6%的颗粒状磷酸铁; 约10%至约17%的通过ASTM测试D 281-84测量的油吸收值小于20的颗粒状结晶二氧化硅; 约1%至约2.5%的平均粒度范围为约0.007至约0.04微米的至少两种不同尺寸等级的热解无定形二氧化硅; 约0.3%至约0.5%的润湿剂; 和约7%至约8%的无水醇溶剂。
    • 7. 发明授权
    • Coating composition exhibiting improved resistance to environmental
attack
    • 具有改善的耐环境侵蚀性的涂料组合物
    • US4931491A
    • 1990-06-05
    • US276397
    • 1988-11-25
    • Ronald R. Savin
    • Ronald R. Savin
    • C09D5/08
    • C09D5/08
    • A coating composition for the protection of substrates against environmental attack, comprising, in weight percent, from about 10% to about 30% of a film-forming polymer which is liquid at room temperature in the presence of not more than 25% solvents; up to about 20% of a corrosion inhibiting agent such as metal chromates, metal phosphates and/or metal molybdates; from 2% to about 5.5% of an amorphous pyrogenic silica having an average particle size less than 0.01 micron; from about 20% to about 50% of a crystalline silica having an oil absorption value of less than 20 measured by ASTM standard test D281-84; not greater than 25% of at least one solvent compatible with the polymer. The composition has a viscosity suitable for application by conventional equipment while also having a low volatile organic content.
    • 一种用于保护基材免受环境侵蚀的涂料组合物,其包含按重量百分比计约10%至约30%的成膜聚合物,其在不超过25%溶剂的存在下在室温下为液体; 最多约20%的腐蚀抑制剂如金属铬酸盐,金属磷酸盐和/或金属钼酸盐; 2%至约5.5%的平均粒径小于0.01微米的无定形热解二氧化硅; 约20%至约50%的通过ASTM标准试验D281-84测量的吸油值小于20的结晶二氧化硅; 不高于25%的与聚合物相容的至少一种溶剂。 该组合物具有适用于常规设备的粘度,同时具有低挥发性有机物含量。