Powdered thermosetting compositions
    271.
    发明授权
    Powdered thermosetting compositions 失效
    粉末状热固性组合物

    公开(公告)号:US3887642A

    公开(公告)日:1975-06-03

    申请号:US40798573

    申请日:1973-10-19

    Applicant: UCB SA

    Abstract: Powdered thermosetting compositions, comprising I a resinous constituent selected from the group consisting of (1) a mixture of a saturated linear or branched chain resin (A) containing free reactive groups selected from hydroxyl and carboxyl groups and an aminoplast resin (B) selected from the group consisting of polyamide-aldehyde resins, polyamide-aldehyde resins, etherified polyamine-aldehyde resins and etherified polyamide-aldehyde resins, and (2) a self-thermo-cross-linking resin containing Nmethylolamide or alkoxylated N-methylolamide groups; II a polycondensation catalyst (C) consisting of an alkyl monoester of a halogenated aromatic polycarboxylic acid; and III auxiliary agents (D) for coating compositions; processes for the preparation of these powdered compositions and the use thereof as protective and/or decorative coatings on articles which are conductors of electricity.

    Abstract translation: 粉末状热固性组合物,其包含选自以下的树脂成分:(1)含有选自羟基和羧基的游离反应性基团的饱和直链或支链树脂(A)和选自以下的氨基塑料树脂(B)的混合物: 由聚酰胺 - 醛树脂,聚酰胺 - 醛树脂,醚化的聚胺醛树脂和醚化的聚酰胺 - 醛树脂组成的组,和(2)含有N-羟甲基酰胺或烷氧基化N-羟甲基酰胺基团的自热交联树脂; II是由卤代芳族多羧酸的烷基单酯组成的缩聚催化剂(C); 和III族助剂(D)用于涂料组合物; 这些粉末状组合物的制备方法以及作为电导体的制品上的保护性和/或装饰性涂层的用途。

    COMPOSITION FOR FORMING A COATING FILM FOR REMOVING FOREIGN MATTERS

    公开(公告)号:US20230250314A1

    公开(公告)日:2023-08-10

    申请号:US18015659

    申请日:2021-07-20

    CPC classification number: C09D201/06 H01L21/568 H01L2221/68386

    Abstract: A simple method for removing foreign substances that are formed on a substrate during a semiconductor device production process and a composition for forming a coating film for foreign substance removal, said coating film being used in the above-described method. A composition for forming a coating film for foreign substance removal, said composition containing a polymer and a solvent and being capable of forming a coating film that dissolves in a developer liquid, wherein: the polymer is selected from among phenolic novolacs, polyhydroxystyrene derivatives and carboxylic acid-containing polymers; and the polymer is contained in an amount of 50% by mass or more relative to the total solid content in the composition.

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