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2 005 751

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IPC

(21) (22)

Application

5037826/05, 1992-04-15

(22)

Actual filing date

1992-04-15

(45)

Published

1994-01-15

(72)

Inventor

Pankratova G.M.Goldovskij E.A.Dontsov A.A.Kaplunov M.Ja.Vinokurov N.I.Glukhatkina L.G.

(73)

Holder

Vsesojuznyj Nauchno-Issledovatel'Skij Institut Ehlastomernykh Materialov I Izdelij

POLYMER COMPOSITION Russian patent published in 1994 - IPC

Abstract RU 2005751 C1

FIELD: manufacture of thermoplastic elastomers. SUBSTANCE: composition contains 100 parts by weight of vynylsiloxane rubber, 20-160 parts by weight of block-copolymer of the general formula (C₆H₅SiO_1.5)_n[(CH₃)₂SiO]_m, wherein n = 35-80; m= 70-300, having 0.1-1.0 % by weight of hydroxyl groups bonded with silicon atoms and 40-95 parts by weight. Characterization of finished products is as follows: thermal shrinkage ratio 1.2-1.9, tensile strength after air-ageing at 300 C for 72 hrs 3.0-5.0 MPa. EFFECT: high freezing and heat resistance. 1 tbl

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RU 2 005 751 C1

Authors

Pankratova G.M.

Goldovskij E.A.

Dontsov A.A.

Kaplunov M.Ja.

Vinokurov N.I.

Glukhatkina L.G.

Dates

1994-01-15—Published

1992-04-15—Filed