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2 676 765

(13)

(51)

IPC

B29C55/04(2006-01-01)

B29C55/12(2006-01-01)

C08J9/28(2006-01-01)

B82B3/00(2006-01-01)

(21) (22)

Application

2017125778, 2017-07-18

(24)

Start date

2017-07-18

(22)

Actual filing date

2017-07-18

(45)

Published

2019-01-11

(72)

Inventor

Yarysheva Larisa MikhajlovnaRukhlya Ekaterina GennadevnaYarysheva Alena YurevnaVolynskij Aleksandr Lvovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Universitet Imeni M.V. Lomonosova"

METHOD OF OBTAINING NANOPOROUS POLYMERS Russian patent published in 2019 - IPC B29C55/04 B29C55/12 C08J9/28 B82B3/00

Abstract RU 2676765 C1

FIELD: technological processes.

SUBSTANCE: invention relates to the method for producing nanoporous polymers with open pores, which can be used in the manufacturing of porous polymer products, such as films, filters, membranes and other gas-permeable materials. Method includes the steps of uniaxial or biaxial drawing of a polymer product in a physically active liquid medium, ensuring wetting of the product surface and forming a porous structure, followed by heat fixing the product in a physically active liquid medium. Moreover, the removal of the medium is carried out after heat fixing while keeping the product in the tensioned state.

EFFECT: obtained nanoporous polymers based on amorphous glassy or crystalline polymers are characterized by increased bulk porosity and vapor permeability.

6 cl, 5 ex

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RU 2 676 765 C1

Authors

Yarysheva Larisa Mikhajlovna

Rukhlya Ekaterina Gennadevna

Yarysheva Alena Yurevna

Volynskij Aleksandr Lvovich

Dates

2019-01-11—Published

2017-07-18—Filed