Patent ID: 6034199
Filing Date: 2000-03-07
Classification: B29K,C07C,C08G,C08J,C08K,C08L

Abstract:
A process for controlling the period of time that a liquid injection molding resin or mixtures thereof is inhibited from curing comprising;(a) selecting one or more of the liquid injection molding inhibitor compounds having the formula:R.sub.1 O.sub.2 C--CH.dbd.CH--CO.sub.2 R.sub.2wherein R.sub.1 is an organic moiety containing at least two carbon atoms triply bonded one to the other as:--C.tbd.C--and R.sub.2 is hydrogen, an organic moiety, or R.sub.1 ;(b) contacting said liquid injection molding inhibitor compound of part (a) with a second liquid injection molding inhibitor compound or mixtures thereof having a shorter inhibition time than the selected injection molding inhibitor compound of part (a); and(c) contacting the mixture of liquid injection molding inhibitors comprising the inhibitor compounds of parts (a) and (b) with a liquid injection molding resin or mixture thereof.