Dyeing process for improving spinnability of hemp wool tops

The invention provides a dyeing process for improving spinnability of hemp wool tops. The dyeing process comprises the following steps that (1), degumming treatment is carried out, specifically, a penetrating agent, a detergent, a dispersing agent and soda ash are added, the pH value of a dye bath i...

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Hauptverfasser: SONG RENHUA, QIAN DONGHAO, JI ZHENGYING, WANG JINPENG
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creator SONG RENHUA
QIAN DONGHAO
JI ZHENGYING
WANG JINPENG
description The invention provides a dyeing process for improving spinnability of hemp wool tops. The dyeing process comprises the following steps that (1), degumming treatment is carried out, specifically, a penetrating agent, a detergent, a dispersing agent and soda ash are added, the pH value of a dye bath is adjusted to 7-7.5, heat preservation is carried out at 90-95 DEG C for 60 minutes, and washing iscarried out at 70-80 DEG C for 30 minutes; (2), balance hot washing is carried out, specifically, the pH value of the dye bath is adjusted to 7-7.5, and heat preservation is carried out at 100-115 DEGC for 20-40 minutes; (3), fluffing treatment is carried out, specifically, a softening agent is added, and heat preservation is carried out at 65 DEG C for 20-40 minutes; (4), dyeing is carried out,specifically, a permeation defoaming agent, a penetrating agent, a dye and anhydrous sodium sulphate are sequentially added, heating is carried out to 65 DEG C, sodium carbonate is quantitatively added for 60 minutes, heat pres
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subjects DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM
DYEING OR PRINTING TEXTILES
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
LAUNDERING
TEXTILES
TREATMENT OF TEXTILES OR THE LIKE
title Dyeing process for improving spinnability of hemp wool tops
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