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(19)

(11)

2 671 865

(13)

(51)

IPC

C08L23/16(2006-01-01)

C08K3/04(2006-01-01)

C08K7/04(2006-01-01)

C08K13/06(2006-01-01)

C09K21/12(2006-01-01)

(21) (22)

Application

2017145843, 2017-12-25

(24)

Start date

2017-12-25

(22)

Actual filing date

2017-12-25

(45)

Published

2018-11-07

(72)

Inventor

Kablov Viktor FedorovichKejbal Natalya AleksandrovnaMotchenko Artem OlegovichAntonov Yurij Mikhajlovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Tekhnicheskij Universitet"

HEAT-SHIELDING MATERIAL Russian patent published in 2018 - IPC C08L23/16 C08K3/04 C08K7/04 C08K13/06 C09K21/12

Abstract RU 2671865 C1

FIELD: heat exchange; technological processes.

SUBSTANCE: invention relates to a heat-shielding material based on ethylene-propylene diene rubber, which can be used in aircraft and rocket engineering. Heat-shielding material contains EPDM-40 ethylene-propylene diene rubber, sulfur curing agents and tiuram D, vulcanization accelerator 2-mercaptobenzothiazole, cure activators, zinc oxide and stearin, carbon black, MCF micro-carbon fibers and modifying additive. Moreover, the micro-carbon fibers of MCF are pretreated with a modifying additive representing borate methylphosphite, by means of their thermostating at 80 °C in 20 wt. % aqueous solution of methyl phosphite borate.

EFFECT: resulting heat-shielding material has increased fire resistance and increased duration of heat-shielding efficiency.

1 cl, 2 tbl, 3 ex

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RU 2 671 865 C1

Authors

Kablov Viktor Fedorovich

Kejbal Natalya Aleksandrovna

Motchenko Artem Olegovich

Antonov Yurij Mikhajlovich

Dates

2018-11-07—Published

2017-12-25—Filed