COMPOSITION FOR PREPARING DAMPING MATERIAL Russian patent published in 2003 - IPC

FIELD: polymers, organic chemistry. SUBSTANCE: invention describes composition for preparing damping material based on mixture of polyorganosiloxane with molecular mass = (250-2000) x 10³ Da of the formula: HO{[(CH₃)₂SiO]_n(R′R″SiO)_m}_jH, wherein R' means methyl or ethyl; R'' means ethyl, isopropyl, butyl or phenyl; n = 30-50; m/(m + n) = 0.035-0.120; j = 50-350, and oligoorganosiloxane with molecular mass = 270-2000 Da of the formula: (R₃SiO_o,5)_k(R₂SiO)_p(RSiO_1,5)_q, Mixture comprises boric acid or its ester, inert filling agents and an antiadhesive in the following content of components, mas. p. p.: mixture of polydimethyldiorganosiloxane and oligoorganosiloxane, 100; boric acid or its esters, 1.0-10.0; inert filling agents, 0,1-30.0; antiadhesive, 0.1-5.0. EFFECT: high hardiness, assigned consistence. 1 tbl, 1 ex