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2 115 671

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IPC

(21) (22)

Application

96100101/04, 1996-01-19

(22)

Actual filing date

1996-01-19

(45)

Published

1998-07-20

(72)

Inventor

Kavun Semen MoiseevichNagirnjak Aleksej TarasovichTikhonova Tat'Jana Nikolaevna

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Vnedrencheskoe Predprijatie

COMPOSITION ON THE BASE OF 4-NITROSODIPHENYL AMINE FOR MODIFYING RUBBERS AND METHOD FOR ITS PRODUCTION Russian patent published in 1998 - IPC

Abstract RU 2115671 C1

FIELD: modification of rubber mixture being used for production of industrial rubber. SUBSTANCE: diphenyl amine is proposed as additive. Method involves neutralization of alkaline salt of 4-nitrosodiphenyl amine which takes place with the help of mineral acid. Then diphenyl amine is added, thus prepared mixture is heated to 65 C. The process is followed by cooling to 20 C which is carried out by mixing. EFFECT: decreased coloring ability and decreased dust formation. 3 cl, 1 tbl

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RU 2 115 671 C1

Authors

Kavun Semen Moiseevich

Nagirnjak Aleksej Tarasovich

Tikhonova Tat'Jana Nikolaevna

Dates

1998-07-20—Published

1996-01-19—Filed