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    • 6. 发明授权
    • One package stable etch resistant coating process
    • 一包耐腐蚀涂层工艺
    • US5256452A
    • 1993-10-26
    • US976062
    • 1992-11-13
    • Susan U. McMonigalDebra L. SingerDennis A. SimpsonJoseph A. KlanicaMichael A. Mayo
    • Susan U. McMonigalDebra L. SingerDennis A. SimpsonJoseph A. KlanicaMichael A. Mayo
    • C08F8/00C09D133/14C09D163/00B05D1/36B05D7/04B05D7/14
    • C09D133/14C08F8/00C09D163/00
    • A stable one package etch-resistant film-forming composition is disclosed. The composition includes a polyepoxide component having an epoxy equivalent weight on resin solids of less than about 600. The composition further includes a polyacid curing agent having an average acid functionality of greater than 2. The composition is substantially free of basic esterification catalyst, has a cured softening point of greater than about 20.degree. C., and is stable for use as a single-component composition. Also disclosed is a process for applying a color-plus-clear composite coating to a substrate which includes applying a acid-catalyzed thermosetting film-forming composition to a substrate to form a basecoat. The process also comprises applying a stable etch-resistant film-forming composition to the basecoat which includes a polyepoxide and a polyacid curing agent as described above, wherein the topcoat is substantially free of basic esterification catalyst, has a cured softening point of greater than about 20.degree. C. The composition and process are useful in original equipment finishing of automobile and trucks.
    • 公开了一种稳定的一种包装耐蚀刻成膜组合物。 该组合物包含具有小于约600的树脂固体的环氧当量的聚环氧化物组分。该组合物还包含平均酸官能度大于2的多元酸固化剂。该组合物基本上不含碱性酯化催化剂,具有 固化软化点大于约20℃,并且稳定用作单组分组合物。 还公开了一种将彩色透明复合涂层施加到基底上的方法,其包括将酸催化的热固性成膜组合物施加到基底上以形成底涂层。 该方法还包括将如上所述的包含聚环氧化物和多元酸固化剂的底涂层施加稳定的耐蚀刻成膜组合物,其中面漆基本上不含碱性酯化催化剂,其固化软化点大于约 20℃。组合物和工艺可用于汽车和卡车的原始设备整理。
    • 7. 发明授权
    • One package stable etch resistant coating
    • 一包耐腐蚀涂层
    • US5196485A
    • 1993-03-23
    • US692885
    • 1991-04-29
    • Susan U. McMonigalDebra L. SingerDennis A. SimpsonJoseph A. KlanicaMichael A. Mayo
    • Susan U. McMonigalDebra L. SingerDennis A. SimpsonJoseph A. KlanicaMichael A. Mayo
    • C09D161/20B05D7/24C08F8/00C08G59/42C09D133/14C09D163/00C09D167/00C09D167/02
    • C09D133/14C08F8/00C09D163/00Y10T428/31511Y10T428/31522
    • A stable one package etch-resistant film-forming composition is disclosed. The composition includes a polyepoxide component having an epoxy equivalent weight on resin solids of less than about 600. The composition further includes a polyacid curing agent having an average acid functionality of greater than 2. The composition is substantially free of basic esterification catalyst, has a cured softening point of greater than about 20.degree. C., and is stable for use as a single-component composition. Also disclosed is a process for applying a color-plus-clear composite coating to a substrate which includes applying a acid-catalyzed thermosetting film-forming composition to a substrate to form a basecoat. The process also comprises applying a stable etch-resistant film-forming composition to the basecoat which includes a polyepoxide and a polyacid curing agent as described above, wherein the topcoat is substantially free of basic esterification catalyst, has a cured softening point of greater than about 20.degree. C. The composition and process are useful in original equipment finishing of automobile and trucks.
    • 公开了一种稳定的一种包装耐蚀刻成膜组合物。 该组合物包含具有小于约600的树脂固体的环氧当量的聚环氧化物组分。该组合物还包含平均酸官能度大于2的多元酸固化剂。该组合物基本上不含碱性酯化催化剂,具有 固化软化点大于约20℃,并且稳定用作单组分组合物。 还公开了一种将彩色透明复合涂层施加到基底上的方法,其包括将酸催化的热固性成膜组合物施加到基底上以形成底涂层。 该方法还包括将如上所述的包含聚环氧化物和多元酸固化剂的底涂层施加稳定的耐蚀刻成膜组合物,其中面漆基本上不含碱性酯化催化剂,其固化软化点大于约 20℃。组合物和工艺可用于汽车和卡车的原始设备整理。