摘要:
The present invention relates to coating compositions which comprise 2,4′-diisocyanatodiphenylmethane, to processes for preparing them, and to their use.
摘要:
Allophanate-group-containing polyisocyanates based on isophorone diisocyanate, represented by formula (I) wherein Ra, k, m, (k +m), Y, Xi, n and Rb are as defined, and to their use.
摘要:
Multilayered composite materials comprise as components: (A) a textile sheet material, (B) optionally at least one bonding layer, and (C) a polyurethane layer with capillaries passing through the entire thickness of the polyurethane layer, wherein textile sheet material (A) and polyurethane layer (C) are bonded to each other directly or via bonding layer (B).
摘要:
Multi-layer composite materials comprising a plastic or metal foil, corresponding method of production and use thereofMultilayered composite materials comprising as components:(A) a plastics or metal foil, (B) optionally at least one bonding layer and (C) a polyurethane layer with capillaries passing through the entire thickness of the polyurethane layer.
摘要:
Multi-layer composite materials comprising a plastic or metal foil, corresponding method of production and use thereofMultilayered composite materials comprising as components: (A) a plastics or metal foil, (B) optionally at least one bonding layer and (C) a polyurethane layer with capillaries passing through the entire thickness of the polyurethane layer.
摘要:
A process for continuous production of multilayered composite articles which comprise(A) at least one backing material,(B) at least one bonding layer, and(C) at least one polyurethane layer which includes capillaries which pass through the entire thickness of the polyurethane layer,comprises using a mold to produce polyurethane layer (C) and fixing said polyurethane layer (C) on said backing material (A) with the aid of a material which converts to said bonding layer (B), the mold having a temperature in the range from 80 to 170° C. and a heat capacity in the range from 100 to 20 000 J/K.m2.
摘要:
The present invention relates to a novel process for preparing colorless, isocyanurate group-comprising polyisocyanates of (cyclo)aliphatic diisocyanates.