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2 228 341

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IPC

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Application

2000126784/04, 2000-10-26

(24)

Start date

2000-10-26

(22)

Actual filing date

2000-10-26

(45)

Published

2004-05-10

(72)

Inventor

Arzhakov M.S.Arzhakov S.A.D'Jachkov A.I.Skorobogatova A.E.Stojachenko I.L.Chernavin V.A.

(73)

Holder

Arzhakov Sergej Alekseevich

METHOD OF MANUFACTURING METHYL METHACRYLATE-BASED ORGANIC GLASS Russian patent published in 2004 - IPC

Abstract RU 2228341 C2

FIELD: polymer materials. SUBSTANCE: method comprises polymerization and/or copolymerization of methyl methacrylate to a certain conversion followed by orientation. According to invention, polymerization and/or copolymerization is conducted until conversion 50-98% is attained and, after orientation, additional polymerization to conversion close to 100% is performed. Organic glass thus obtained shows higher (up to 160 C and higher) working temperature, decreased shrinkage at temperature above vitrification temperature, and elevated impact resistance. EFFECT: improved performance characteristics. 7 cl, 1 tbl, 7 ex

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RU 2 228 341 C2

Authors

Arzhakov M.S.

Arzhakov S.A.

D'Jachkov A.I.

Skorobogatova A.E.

Stojachenko I.L.

Chernavin V.A.

Dates

2004-05-10—Published

2000-10-26—Filed