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2 045 545

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C1

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IPC

(21) (22)

Application

5048745/05, 1992-04-23

(22)

Actual filing date

1992-04-23

(45)

Published

1995-10-10

(72)

Inventor

Mukhina T.P.Zavarova T.B.Savel'Ev A.P.Pjatanova L.R.

(73)

Holder

Gosudarstvennyj Nauchno-Issledovatel'Skij Institut Khimii I Tekhnologii Polimerov Im.Akad. V.A.Kargina S Opytnym Zavodom

METHOD FOR PRODUCTION OF POLYMER COMPOSITION Russian patent published in 1995 - IPC

Abstract RU 2045545 C1

FIELD: production of consumer goods. SUBSTANCE: method for production of polymer, composition includes mixing with heating of PVC, thermal stabilizer, plasticizer and lubricant. Lubricant is preliminarily mixed with plasticizer at 60-80 C for 20-30 min, and obtained mixture is mixed with PVC and thermal stabilizer and heated up to 100-110 C. Mass fraction of soluble matter from polymer materials amounts to 0.25- 0.33, odor and taste of aqueous extract is 1 point. Static thermostability of polymer composition is 150-235 min, dynamic thermostability is 80-155 min. EFFECT: higher efficiency. 1 tbl

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RU 2 045 545 C1

Authors

Mukhina T.P.

Zavarova T.B.

Savel'Ev A.P.

Pjatanova L.R.

Dates

1995-10-10—Published

1992-04-23—Filed

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