HEAT-CONDUCTIVE SEALANT Russian patent published in 2018 - IPC C09K3/10 C09K5/08 C08L83/00 

FIELD: chemistry.

SUBSTANCE: heat-conductive sealant consists of two components: polimer-containing base (component A) and a curing mixture (component B) combined in the mass ratio: for 100 pts wt of component A from 4 pts wt to 12 pts wt of component B, wherein component A is a mixture of a low molecular weight silicone rubber with a molecular weight of 20000-50000 c.u. and silicone oligomer with aluminium oxide (corundum) and silicon carbide with the following ratio of the ingredients, pts wt: low-molecular silicone rubber selected from SKTN of grade A or SKTN 100 of grade B, silicone oligomer selected from PMS-50 or PMC-100 20-40 aluminium oxide (electrocorundum) 120-200, silicon carbide 100-200, and component B is a mixture of ethyl silicate and tin-organic salts selected from tin octoate and tin diethyl-dicaprylate, which may optionally include a silicone oligomer in the following ratio of components, pts wt: ethyl silicate selected from ES-32 and ES-40 100 catalyst - tin-organic salt selected from tin octoate or tin diethyl-dicaprylate of 10-25, ansilicone oligomer selected from PMS-50 to 50.

EFFECT: achievement of certain technological characteristics, such as low viscosity, casting properties, high viability, and increased thermal conductivity.

6 tbl, 12 ex