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(19)

(11)

2 296 778

(13)

(51)

IPC

C08J5/14(2006-01-01)

C08L9/00(2006-01-01)

C08K13/02(2006-01-01)

C08K3/04(2006-01-01)

C08K3/06(2006-01-01)

C08K3/20(2006-01-01)

C08K3/24(2006-01-01)

C08K5/29(2006-01-01)

C08K5/40(2006-01-01)

C08K7/02(2006-01-01)

(21) (22)

Application

2005124639/04, 2005-08-02

(24)

Start date

2005-08-02

(22)

Actual filing date

2005-08-02

(45)

Published

2007-04-10

(72)

Inventor

Shamkov Jurij VeniaminovichMen'Ko Sergej NikolaevichZajtsev Nikolaj MikhajlovichKondrat'Ev Nikolaj Ivanovich

(73)

Holder

Otkrytoe Aktsionernogo Obshchestvo Zavod Asbestovykh Tekhnicheskikh Izdelij"

COMPOSITION FOR ASBESTOS-FREE FRICTION MATERIAL Russian patent published in 2007 - IPC C08J5/14 C08L9/00 C08K13/02 C08K3/04 C08K3/06 C08K3/20 C08K3/24 C08K5/29 C08K5/40 C08K7/02

Abstract RU 2296778 C1

FIELD: friction materials.

SUBSTANCE: invention relates to friction-destination asbestos-free polymer compositions and can be used in mechanical engineering, in particular in manufacturing of brake blocks for rail-way rolling-stock. Composition contains rubber, sulfur-based vulcanization mix, fibrous filler (polyoxadiazole fiber/mineral wool mixture), metal-containing filler (broken cast iron pellets), friction modifier (mixture of crystalline graphite, cryptocrystalline graphite, and carbon black), inorganic modifier (barite concentrate/alumina/zeolite mixture).

EFFECT: stabilized coefficient of friction, reduced release of harmful substances (in particular, phenol) during manufacturing procedure, and reduced cost of produce.

2 dwg, 3 tbl

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RU 2 296 778 C1

Authors

Shamkov Jurij Veniaminovich

Men'Ko Sergej Nikolaevich

Zajtsev Nikolaj Mikhajlovich

Kondrat'Ev Nikolaj Ivanovich

Dates

2007-04-10—Published

2005-08-02—Filed