초록 ▼

Lactam-polyol-polyacyl lactam or lactam-polyol-acyl polylactam terpolymers having up to 100% ester end group termination, and both ester linkages and amide linkages between the monomeric segments are disclosed. Also disclosed is a process for preparing the above terpolymer comprising reacting togeth

Lactam-polyol-polyacyl lactam or lactam-polyol-acyl polylactam terpolymers having up to 100% ester end group termination, and both ester linkages and amide linkages between the monomeric segments are disclosed. Also disclosed is a process for preparing the above terpolymer comprising reacting together a lactam, polyol, polyacyl lactam or acyl polylactam, and an alcohol in the presence of a basic lactam polymerization catalyst.

대표청구항 ▼

A lactam-polyol-polyacyl lactam block terpolymer or a lactam-polyol-acyl polylactam block terpolymer having at least about 5% ester end group termination and the general formula: [Figure] [Figure] [Figure] wherein (O－Z)z is a polymeric moiety and Z is a hydrocarbon or substituted hydrocarbon group s

A lactam-polyol-polyacyl lactam block terpolymer or a lactam-polyol-acyl polylactam block terpolymer having at least about 5% ester end group termination and the general formula: [Figure] [Figure] [Figure] wherein (O－Z)z is a polymeric moiety and Z is a hydrocarbon or substituted hydrocarbon group said group being alkylene, arylene, alkylene carbonyl, arylene carbonyl, and mixtures thereof; A and A′are acyl groups selected from [Figure] R is a divalent hydrocarbon group; n is an integer equal to zero or one; E is an amide group of the formula [Figure] or an ester group of the formula －O－R′where thE －O－R′is the residual of a monohydric functional alcohol; and Y is an alkylene or substituted alkylene having from about 3 to about 14 carbon atoms; R′is an aliphatic or substituted aliphatic hydrocarbon wherein the ester group is attached to other than a cyclic or aromatic radical: x, x′, x″, and x″′ are integers and the total number of x\ s is equal to 2w+ 2; and z and w are integers equal to one or more.