Binder for abrasive articles, abrasive articles including the same and method of making same
申请人:——
公开号:US20030079415A1
公开(公告)日:2003-05-01
A binder for abrasive products, coated abrasive articles and a method of making the same comprising a urea formaldehyde resin precursor cured in the presence of a sole catalyst which consists essentially of at least one salt of an acid with a diamine of the formula H
2
N—R—NH
2
wherein R is an alkylene group of 3 to 10 carbon atoms, and the acid is selected from the group consisting of hydrochloric, citric, nitric, sulphuric, acetic, phosphoric and combinations thereof
一种用于磨料制品、涂覆磨料制品的粘结剂及其制造方法,该粘结剂包括一种在唯一催化剂存在下固化的脲醛树脂前体,该唯一催化剂主要由至少一种酸盐与一种式为 H
2
N-R-NH
2
其中 R 为 3 至 10 个碳原子的亚烷基,酸选自盐酸、柠檬酸、硝酸、硫酸、醋酸、磷酸及其组合组成的组中