A two-part polyurethane adhesive comprising a prepolymer having the reaction product of a non-ionic surfactant and an allophanate modified isocyanate and a curative having a urethane modified high molecular weight polyol, a urethane modified cross-linking compound and a non-urethane modified low molecular weight chain extending compound. The curative has less than 5 equivalent percent total amino and hydroxyl groups having an equivalent weight greater than about 200. The two-part polyurethane adhesive may be used to adhere one or more substrates and can generally be applied without primer or any significant surface preparation.
申请公布号
WO2010085602(A1)
申请公布日期
2010.07.29
申请号
WO2010US21731
申请日期
2010.01.22
申请人
ASHLAND LICENSING AND INTELLECTUAL PROPERTY, LLC;BARKER, MICHAEL, JAMES;ALABAKOVSKA, LUBICA;LU, JUNXIAN