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    • 7. 发明申请
    • GLASS STRAND STRUCTURE DESIGNED TO REINFORCE BONDED ABRASIVE ARTICLES
    • 玻璃条结构设计用于加固粘结磨料文章
    • US20130111822A1
    • 2013-05-09
    • US13642653
    • 2011-04-21
    • Nadege Ombe WandjiAlix ArnaudPhilippe EspiardKatarzyna Chuda
    • Nadege Ombe WandjiAlix ArnaudPhilippe EspiardKatarzyna Chuda
    • C09D161/06
    • C09D161/06C03C25/24C08J5/24C08J2361/06C08K5/34922C08L61/00C08L61/06Y10T428/2964C08L2666/16
    • The invention relates to a structure based on glass strand coated with a resin composition which comprises the following constituents in the proportions indicated, expressed in percentage by weight of solid matter: 75 to 98% of a mixture of at least one novolac having a glass transition temperature lower than or equal to 60° C. and at least one novolac having a glass transition temperature above 60° C., 0.5 to 10% of at least one wax, 1 to 15% of at least one crosslinking agent chosen from imines and modified melamines of formula: in which R1, R2, R3, R4, R5 and R6, which are identical or different, represent a hydrogen atom or a —CH2OH, —CH2OCH3 or —CH2OCH2OCH3 radical, at least one of the radicals R1 to R6 being other than H, 0 to 10% of at least one plasticizing agent. The invention also relates to the resin composition suitable for producing the reinforcing structure and bonded abrasive articles incorporating such a structure, in particular abrasive grinding wheels.
    • 本发明涉及一种基于涂覆有树脂组合物的玻璃纤维的结构,其包含所示比例的以下组分,以固体物质的重量百分比表示:至少一种具有玻璃化转变的酚醛清漆的混合物的75至98% 温度低于或等于60℃,以及至少一种玻璃化转变温度高于60℃的酚醛清漆,0.5-10%至少一种蜡,1至15%至少一种选自亚胺和 修饰的三聚氰胺,其中相同或不同的R 1,R 2,R 3,R 4,R 5和R 6表示氢原子或-CH 2 OH,-CH 2 OCH 3或-CH 2 OCH 2 OCH 3基团,基团R 1至R 6中的至少一个 不同于H,0至10%的至少一种增塑剂。 本发明还涉及适用于生产加强结构的树脂组合物和结合有这种结构的结合的磨料制品,特别是研磨砂轮。