PROCESS FOR THE PREPARATION OF HOT CROSS-CROSS PASTA, AS WELL AS A PROCESS FOR THE PREPARATION OF COLD-CROSS-MASS PASTA

摘要

1. A composition composed of a binder, an additive which catalyses the crosslinking, and optionally further customary additives, and having the following features : a.1 the binder is composed of 10 to 90 % by weight of the binder I and 90 to 10 % by weight of the binder II ; a.2 the binder I is a polymer carrying primary or secondary hydroxyl groups and having a hydroxyl number of from 10 to 150 [mg of KOH/g] and having Mn 1,000 to 8,000 ; a.3 the binder II is a polymer carrying lateral succinic anhydride groups and having an acid number of from 20 to 250 [mg of KOH/g] and having Mn 1,000 to 8,000 ; a.4 the functionalized polymers in a.2 and a.3 are based on homopolymers of 1,3-butadiene or copolymers composed of = 70 % by weight of 1,3-butadiene and = 30 % by weight of other copolymerizable 1,3-(cyclo(dienes and/or copolymerizable alphaolefins, which may be modified by isomerization, hydrogenation or cyclization ; b the additive which catalyses the crosslinking is an organonitrogen base which is not acylated under the crosslinking conditions and is selected from the group comprising the sterically hindered primary and secondary amines, the tertiary amines with the exception of triethylamine, and the N-alkyl imidazoles.