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(19)

(11)

2 690 929

(13)

(51)

IPC

C08L23/06(2006-01-01)

C08L23/12(2006-01-01)

C08L31/04(2006-01-01)

C09K3/10(2006-01-01)

E21B33/12(2006-01-01)

(21) (22)

Application

2018135787, 2018-10-09

(24)

Start date

2018-10-09

(22)

Actual filing date

2018-10-09

(45)

Published

2019-06-06

(72)

Inventor

Safronov Sergej AleksandrovichPetrenko Ekaterina AndreevnaMakhinov Maksim Olegovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennostyu Tsentr Materialy I Tekhnologii"

WATER-OIL-SWELLING THERMOPLASTIC ELASTOMER COMPOSITION Russian patent published in 2019 - IPC C08L23/06 C08L23/12 C08L31/04 C09K3/10 E21B33/12

Abstract RU 2690929 C1

FIELD: technological processes.

SUBSTANCE: invention relates to polymer industry and can be used for production of elements in packer downhole equipment by injection molding. Water-oil-swelling thermoplastic elastomer composition contains components at the following ratio, wt%: ethylene-propylene rubber or ethylene-propylene-rubber rubber 30–54, polyolefin thermoplastic polymer 30–54, copolymer of ethylene with vinyl acetate with content of vinyl acetate links from 33 to 70 % 14–30, organic peroxide 1–4, triallylisocyanurate 1–4.

EFFECT: higher heat resistance and resistance to hydrogen sulphide.

1 cl, 10 ex, 2 tbl

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RU 2 690 929 C1

Authors

Safronov Sergej Aleksandrovich

Petrenko Ekaterina Andreevna

Makhinov Maksim Olegovich

Dates

2019-06-06—Published

2018-10-09—Filed