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2 559 891

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IPC

C08J11/04(2006-01-01)

B29B17/00(2006-01-01)

(21) (22)

Application

2014121918/04, 2014-05-29

(24)

Start date

2014-05-29

(22)

Actual filing date

2014-05-29

(45)

Published

2015-08-20

(72)

Inventor

Barabanov Valerij GeorgievichVinogradov Dmitrij ViktorovichMitichuk Vadim DmitrievichOzol Svetlana IvanovnaRozhdestvenskaja Ol'Ga Viktorovna

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchnyj Tsentr Khimija"

METHOD OF PROCESSING POLYTETRAFLUOROETHYLENE Russian patent published in 2015 - IPC C08J11/04 B29B17/00

Abstract RU 2559891 C1

FIELD: chemistry.

SUBSTANCE: process is carried out at pressure of 10-15 mmHg and temperature of up to 560°C with contact time of 40 s. The obtained pyrolysate is taken for fractionation, which is carried out at pressure of up to 0.25 MPa.

EFFECT: high output of tetrafluoroethylene with low content of impurities.

2 cl, 1 tbl, 10 ex

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RU 2 559 891 C1

Authors

Barabanov Valerij Georgievich

Vinogradov Dmitrij Viktorovich

Mitichuk Vadim Dmitrievich

Ozol Svetlana Ivanovna

Rozhdestvenskaja Ol'Ga Viktorovna

Dates

2015-08-20—Published

2014-05-29—Filed