Process for producing refined cotton with high polymerization degree

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United States of America Patent

PATENT NO 11932989
APP PUB NO 20230046123A1
SERIAL NO

17885313

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Abstract

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A process for producing refined cotton with a high polymerization degree includes: a. selection of material; b. impurity removal; c. impregnation; d. pretreatment: compounding triethanolamine, sodium carbonate, copper sulfate and magnesium oxide in equal proportion to form a cooking compound adjuvant with a mass concentration of 0.2-0.5%, putting the cooking compound adjuvant into a spherical digester together with the cotton linter subjected to the impregnation treatment, heating to 70 C, stopping heating, and subjecting to idling pretreatment for 40-60 min; e. cooking; f. cooling of the spherical digester; g. formulating a chlorine dioxide bleaching stabilization solution; h. a first stage of bleaching; I. alkali treatment; J. a second stage of bleaching; K. dechlorination; and l. rolling and drying by baking.

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Patent Owner(s)

Patent OwnerAddress
HUBEI JINHANJIANG REFINED COTTON CO LTD431900 JINGMEN CITY OF HUBEI PROVINCE ZHONGXIANG CITY KIM HAN JIANG ROAD JIANG HUBEI KINHAN REFINED COTTON CO LTD JINGMEN CITY HUBEI PROVINCE 431900

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fan, Jintao Hubei, CN 3 0
Fan, Zongqing Hubei, CN 3 0
Zhou, Hangxu Hubei, CN 7 3

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