Water paint

阅读:39发布:2021-12-10

专利汇可以提供Water paint专利检索,专利查询,专利分析的服务。并且PURPOSE: A water paint which is so designed that the films therefrom do not crack, adhere firmly to substrates and do not peel off, by incorporating colloidal silica with an emulsion of a resin having a specified average particle diameter.
CONSTITUTION: Colloidal silica is added to an emulsion of a resin having an average particle diameter of below 0.1μ. As the resin emulsions, there can be used emulsions of a polymer of (meth)acrylic acid, acrylonitrile, a (meth)acrylate ester or vinyl acetate. Communization of these resins into particles having an average particle diameter of below 0.1μ can be performed by applying ultrasonic waves or high-frequency waves to the resins during or after emulsion polymerization. It is necessary that the resins have an average particle diameter of below 0.1μ, because when the average diameter exceeds 0.1μ, coated films therefrom crack and peel off.
COPYRIGHT: (C)1981,JPO&Japio,下面是Water paint专利的具体信息内容。

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