Rubber blends containing silicic acid and comprising additives containing sulphur

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9790352
APP PUB NO 20150133581A1
SERIAL NO

14405560

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Abstract

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The present invention relates to a silica-containing rubber mixture produced from at least one rubber, one sulphur-containing alkoxysilane, one crosslinking agent, one filler, and optionally further rubber auxiliary products and from 0.1 to 15 phr of a polysulphide additive of the formula (I)

description='In-line Formulae' end='lead'A-S—(S)x—S—Y—S—(S)x—S-A  (I)description='In-line Formulae' end='tail'

where x is 0, 1 or 2,

    Y is an aliphatic, cycloaliphatic or aromatic group that is optionally substituted or else comprises heteroatoms andA is an optionally substituted hydroxyethyl, carboxyaryl, hydroxyaryl, carboxyalkyl or thionamide moiety,and comprises from 0.1 to 15 parts by weight, based on 100 parts by weight of rubber used, of 1,6-bis(N,N-dibenzylthiocarbamoyldithio)hexane (CAS No.: 151900-44-6).

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Patent Owner(s)

Patent OwnerAddress
LANXESS DEUTSCHLAND GMBHKENNEDYPLATZ 1 COLOGNE 50569

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Feldhues, Ulrich Bergisch Gladbach, DE 41 103
Unterberg, Heinz Dormagen, DE 13 28
Weidenhaupt, Hermann-Josef Pulham, DE 42 224
Wiedemeier-Jarad, Melanie Dormagen, DE 15 21

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