Ceiling tile carrying anti-sag coating
    2.
    发明授权
    Ceiling tile carrying anti-sag coating 失效
    天花板搭载防汗涂层

    公开(公告)号:US3655431A

    公开(公告)日:1972-04-11

    申请号:US3655431D

    申请日:1969-06-02

    CPC classification number: E04B9/04 D21J1/08 Y10T428/31652 Y10T428/31667

    Abstract: The sag resistance of ceiling tile of the ''''lay in'''' type coated with a melamine-formaldehyde-carbohydrate resin (wherein the weight of the carbohydrate is up to one-half the weight of the melamine-formaldehyde) is about the same as the sag resistance of ceiling tile coated with an all melamine-formaldehyde resin. The presence of carbohydrate permits a cheapening of the product and in preferred instances an improvement in performance.

    Abstract translation: 涂有三聚氰胺 - 甲醛 - 碳水化合物树脂(其中碳水化合物的重量高达三聚氰胺 - 甲醛的重量的一半)的“铺设”型天花板瓦片的下垂阻力与下垂大致相同 涂覆全密胺甲醛树脂的天花板瓦的阻力。 碳水化合物的存在允许产品更便宜,并且在优选的情况下可以提高性能。

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