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(19)

(11)

2 586 137

(13)

(51)

IPC

D06P3/20(2006-01-01)

D06P1/34(2006-01-01)

D06M10/00(2006-01-01)

(21) (22)

Application

2014100209/05, 2014-01-09

(24)

Start date

2014-01-09

(22)

Actual filing date

2014-01-09

(45)

Published

2016-06-10

(72)

Inventor

Shagina Nadezhda AleksandrovnaAzimova Faina Shamilovna

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Professionalnogo Obrazovaniya Gosudarstvennyj Tekhnicheskij Universitet"

METHOD OF COLOURING WOOL FABRIC WITH VEGETABLE DYE WITH MEDLAR BARK WITH MICROWAVE PROCESSING Russian patent published in 2016 - IPC D06P3/20 D06P1/34 D06M10/00

Abstract RU 2586137 C2

FIELD: textiles, paper.

SUBSTANCE: invention relates to a method of colouring wool fabric with natural dye - water extract of medlar bark. The method comprises processing of wool fabric in the dye bath based on complexing agent of potassium bichromate and the dye - water extract of medlar bark at 75-80°C, pH of 5-6 and microwave irradiation with the waveband of 1667 MHz for 40-60 minutes.

EFFECT: invention provides obtaining of environmentally friendly dyed wool fabrics painted in brown tones noninferior in characteristics to synthetic mordant dyes while expanding the range of dyes from natural raw materials.

1 tbl, 2 ex

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RU 2 586 137 C2

Authors

Shagina Nadezhda Aleksandrovna

Azimova Faina Shamilovna

Dates

2016-06-10—Published

2014-01-09—Filed