Abstract: Polyurea crosslinked particles for a transport device member are provided that have high acid resistance, increase long-term retainability when included in a coating film, and are capable of maintaining a high sliding property for a long time. The polyurea crosslinked particles for a transport device member are particles formed of reactants of a self-emulsifying isocyanate having two or more isocyanate groups and a non-self-emulsifying isocyanate having two or more isocyanate groups and having a ring structure in the presence of water and a crosslink density thereof is 1×10?4 mol/g or more.
Type:
Grant
Filed:
June 2, 2016
Date of Patent:
August 29, 2017
Assignees:
Honda Motor Co., Ltd., Negami Chemical Industrial Co., Ltd.
Abstract: There is disclosed a primer composition comprising[A] a reaction product of:(1) a hydroxyl group-containing organic compound composed of;(a) an epoxy group-containing alcohol represented by the general formula [I]: ##STR1## wherein, R.sup.1 is a hydrocarbon group having 1 to 15 carbon atoms, or an organic group in which the same or different hydrocarbon groups are bonded to each other by an ether bond or an ester bond; and each of m and n is a value of 1 or more; and(b) a hydroxyl group-containing (meth)acrylate represented by the formula [II]:(CH.sub.2 .dbd.CR.sup.2 COO).sub.a R.sup.3 [II]wherein R.sup.2 is a hydrogen atom or a methyl group; R.sup.3 is a substituted or unsubstituted hydrocarbon group, or a group in which the same or different hydrocarbon groups are bonded to each other by ether bond or the ester bond, the R.sup.
Type:
Grant
Filed:
August 27, 1984
Date of Patent:
September 24, 1985
Assignees:
Negami Chemical Industrial Co., Ltd., Toshiba Silicone Co., Ltd.