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2 044 747

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C1

(51)

IPC

(21) (22)

Application

5067346/05, 1992-09-21

(22)

Actual filing date

1992-09-21

(45)

Published

1995-09-27

(72)

Inventor

Vjazovkin V.L.Tolkachev V.A.Aleksandrova L.B.Mashinskaja G.P.

(73)

Holder

Institut Khimicheskoj Kinetiki I Gorenija So RanVserossijskij Nauchno-Issledovatel'Skij Institut Aviatsionnykh Materialov

METHOD FOR MANUFACTURING OF COMPOSITE ORGANOPLASTICS Russian patent published in 1995 - IPC

Abstract RU 2044747 C1

FIELD: aviation and chemical industries. SUBSTANCE: aromatic polyamide fiber is treated preliminary by polar aprotic solvent (e.g. dimethylformamide or dimethylsulfoxide) or by mixture of polar aprotic and nonpolar solvent. Said treatment is carried out till shrinkage of the fiber is 0.5-5 of its origin length. Then solvent is removed of said fiber and fiber is impregnated by binder. The process is followed by molding with the help of common methods. Tear strength thus manufactured organoplasts is 960-2700 N/m. EFFECT: improves efficiency of the method. 3 cl

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RU 2 044 747 C1

Authors

Vjazovkin V.L.

Tolkachev V.A.

Aleksandrova L.B.

Mashinskaja G.P.

Dates

1995-09-27—Published

1992-09-21—Filed

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