CROSS-LINKED ELASTOMERIC COMPOSITION AND PRODUCT CONTAINING SAID COMPOSITION Russian patent published in 2016 - IPC C08L23/08 C08L53/00 C09K3/10 

FIELD: technological processes.

SUBSTANCE: invention relates to use of a product obtained by extrusion and containing a cross-linked elastomeric composition as sealing gaskets, for example, in vehicles. Cross-linked elastomeric composition an ethylene and alpha-olefin multiblock copolymer comprising polymerised ethylene and alpha-olefin units, an elastomer including a block copolymer having at least two, identical or different, aromatic blocks which are separated by at least one elastomer block, and a cross-linkable polymer which is a three-block styrene-butadiene-styrene (SBS) copolymer. Multiblock ethylene and alpha-olefin copolymer has certain molecular weight distribution index. Multiblock copolymer of ethylene with alpha-olefin has certain volume weight and fusion point, and numerical values of said variable quantities are given with certain ratio.

EFFECT: invention provides an efficient composition, which provides an improved tradeoff between weak residual deformation at compression, matte or satin appearance and resistance to UV rays.

12 cl