Addition-curable silicone without reinforcing filler, used for coating applications, especially for coating textile materials for use e.g. in protective clothing, tents and conveyor belts

摘要

Addition-curable organopolysiloxane materials without reinforcing fillers. Curable organopolysiloxane materials (COPM) without reinforcing fillers, containing: (A) organosilicon compounds based on units of formula (I); (B) organosilicon compounds with silicon-bonded hydrogen atoms; or (C) (instead of A and B) organopolysiloxanes with unsaturated aliphatic groups attached to silicon plus Si-bonded H atoms; (D) hydrosilylation catalysts; (E) inhibitors; and optionally (F) coupling agents; (G) accelerators for coupling agents; and (H) other substances such as solvents, pigments, dyes, plasticisers, organic polymers, thermal stabilizers, non-reinforcing fillers or aroma substances. Ra(R1)bSiO(4-a-b)/2 (I) R : groups with no aliphatic C-C multiple bonds; R1optionally substituted Si-C linked hydrocarbyl with aliphatic C-C multiple bonds (at least 2 such groups per molecule); a : 0, 1, 2 or 3; b : 0, 1 or 2; and (a+b) : not more than 3, with the proviso that not more than 6% of the units (I) in each molecule, preferably none, have (a+b) = 0 or 1. Independent claims are also included for (1) a method for the production of COPM by mixing the components together in a continuous or discontinuous manner; (2) formed products obtained by crosslinking COPM; and (3) a method for coating textile sheet materials by applying COPM to the material and crosslinking it.