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(19)

(11)

2 355 707

(13)

(51)

IPC

C08F8/40(2006-01-01)

C08J5/18(2006-01-01)

C08F116/06(2006-01-01)

C09K21/12(2006-01-01)

(21) (22)

Application

2007149563/04, 2007-12-27

(24)

Start date

2007-12-27

(22)

Actual filing date

2007-12-27

(45)

Published

2009-05-20

(72)

Inventor

Kablov Viktor FedorovichIoshchenko Julija Pavlovna

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Volgogradskij Gosudarstvennyj Tekhnicheskij Universitet

METHOD OF OBTAINING MODIFIED FILMS BASED ON POLYVINYL ALCOHOL Russian patent published in 2009 - IPC C08F8/40 C08J5/18 C08F116/06 C09K21/12

Abstract RU 2355707 C1

FIELD: chemistry.

SUBSTANCE: invention concerns improvement technology for films based on polyvinyl alcohol with enhanced fire and heat resistance, and can be applied in various fields of industry, science, technology and agriculture. Method involves polyvinyl alcohol films processing by mix of 5-10% aqueous solution of methylphosphate borate and 5-10% aqueous solution of chitosan at the weight ratio of 1:1, and drying.

EFFECT: obtainment of non-toxic biologically degradable and environmentally safe films with enhanced fire and heat resistance.

1 tbl, 3 ex

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RU 2 355 707 C1

Authors

Kablov Viktor Fedorovich

Ioshchenko Julija Pavlovna

Dates

2009-05-20—Published

2007-12-27—Filed