THERMOPLASTIC RUBBER COMPOSITION Russian patent published in 2015 - IPC C09K3/10 C08L23/16 C08L23/22 C08L31/04 

FIELD: chemistry.

SUBSTANCE: thermoplastic rubber composition contains, wt %: synthetic rubber, selected from: high-molecular weight polyisobutylene, butyl rubber, ethylene-propylene rubber or a combination thereof 4.0-6.0; plasticiser, selected from: industrial oil, transformer oil, oligomeric polyisobutylene or a combination thereof 5.0-7.0; ethylene and vinyl acetate copolymer 10.0-15.0; rosin or rosin ester or tall oil rosin, optionally, 4.0-8.0; phenol-type antioxidant 0.5-1.5; modifier - mixture of grease based on organosilicon liquid and organofunctional alkoxysilane with amino- or epoxy groups in ratio of 3:1-4:1 5.6-7.0; filler - the balance.

EFFECT: thermoplastic rubber composition has improved operational properties, processing properties, sets quickly, is not sticky after application, has high adhesion to glass, metal and PVC, has low water-absorption after 24 hours, does not flow at high temperature and retains properties after being held at low temperature.

2 tbl, 9 ex