CN105369585B - A kind of coloured eider down decolouring method of whitening - Google Patents
A kind of coloured eider down decolouring method of whitening Download PDFInfo
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- CN105369585B CN105369585B CN201410420028.0A CN201410420028A CN105369585B CN 105369585 B CN105369585 B CN 105369585B CN 201410420028 A CN201410420028 A CN 201410420028A CN 105369585 B CN105369585 B CN 105369585B
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Abstract
The present invention is a kind of coloured eider down decolouring method of whitening, and the decolouring method of whitening comprises the following steps：（1）The eider down for needing to decolourize is smoked by high-temperature steam；（2）Above-mentioned eider down is immersed in the mixed liquor of ether, ethyl acetate and deionized water and soaked；（3）Added in mixed liquor and activator is added after Methyl ethyl ketone Soak, soaked 45 80 minutes；（4）The eider down for being impregnated with activator is taken out, drenches after being soaked after solid carbon dioxide in immersion hydrogen peroxide solution and the hydrogen peroxide solution for soaking eider down is heated to 35 40 DEG C, be incubated 15 30 minutes；（5）Take out and dried after first being soaked and then rinsed again with clear water with watery hydrochloric acid after eider down.Present invention process is simple, with low cost, workable, first carries out steaming to eider down, and removes the bimolecular film outside down fiber, can shorten the time for decolourizing to brighten, and improves efficiency, increases economic efficiency.
Description
Technical field
The present invention relates to Eider down processing technical field, the method that coloured eider down decolourizes to bleach is particularly related to.
Background technology
Feather eider down belongs to natural protein fibre, is commonly used to the inserts of craft articles, clothes either bedding, makees
It is mainly white suede and grey suede for the Down and Feather of clothes bedding, wherein the heterochromatic eider down such as grey suede is used due to the limitation of its color
Way is not extensive and cheap, and this part Down and Feather is needed to reprocess, its application value is improved, therefore, to having
The bleaching of color eider down, decolouring technology are to solve an important problem in eider down production, and present eider down bleaching technology is mainly
Handled, process time is long in production, and bleached not exclusively by ferrous sulfate and hydrogen peroxide etc., had a strong impact on
Bleach the performance of eider down.
The content of the invention
In order to solve the above problems, the invention provides a kind of shortening decolorization and the good eider down of decolouring bleaching effect
Method of whitening, this method is handled the bimolecular film of eider down in advance, eider down is drenched rapidly.
In order to achieve the above object, the present invention is achieved by the following technical solutions：
The present invention is a kind of coloured eider down decolouring method of whitening, and the decolouring method of whitening comprises the following steps：
（1）The eider down decolourized will be needed to be smoked 10-40 minutes by high-temperature steam, 90-130 DEG C of temperature；
（2）The eider down that above-mentioned process steam is fumigated, which is immersed in the mixed liquor of ether, ethyl acetate and deionized water, to be soaked
Bubble 30-85 minutes；
（3）In step（2）In mixed liquor in add Methyl ethyl ketone Soak leaching added under activator, normal temperature after 20-30 minute
Bubble 45-80 minutes；
（4）The eider down for being impregnated with activator is taken out, drenches after solid carbon dioxide and immerses pH value to soak 60-90 in 3-5 hydrogen peroxide solution
Minute, the hydrogen peroxide solution for soaking eider down is then heated to 35-40 DEG C, 15-30 minutes are incubated；
（5）Take out and dried after first being soaked and then rinsed again with clear water with watery hydrochloric acid after eider down.
It is preferred that：Step（3）In, the activator is the ferrous sulfate aqueous solution that concentration is 1-3%.
It is preferred that：The weight ratio of the ether and ethyl acetate is 1:1.
A kind of coloured eider down decolouring method of whitening, the decolouring method of whitening comprises the following steps：
（1）The eider down decolourized will be needed to be smoked 15-30 minutes by high-temperature steam, 90-110 DEG C of temperature；
（2）The eider down that above-mentioned process steam is fumigated, which is immersed in the mixed liquor of ether, ethyl acetate and deionized water, to be soaked
Bubble 30-55 minutes；
（3）In step（2）In mixed liquor in add Methyl ethyl ketone Soak leaching added under activator, normal temperature after 20-30 minute
Bubble 50-60 minutes；
（4）The eider down for being impregnated with activator is taken out, drenches after solid carbon dioxide and immerses pH value to soak 60-80 in 3-5 hydrogen peroxide solution
Minute, the hydrogen peroxide solution for soaking eider down is then heated to 35-40 DEG C, 15-20 minutes are incubated；
（5）Take out and dried after first being soaked and then rinsed again with clear water with watery hydrochloric acid after eider down.
It is preferred that：Step（3）In, the activator is the ferrous sulfate aqueous solution that concentration is 1-3%.
It is preferred that：The weight ratio of the ether and ethyl acetate is 1:1.
The present invention is a kind of coloured eider down decolouring method of whitening, and the decolouring method of whitening comprises the following steps：
（1）The eider down decolourized will be needed to be smoked 20-40 minutes by high-temperature steam, 110-120 DEG C of temperature；
（2）The eider down that above-mentioned process steam is fumigated, which is immersed in the mixed liquor of ether, ethyl acetate and deionized water, to be soaked
Bubble 50-60 minutes；
（3）In step（2）In mixed liquor in add Methyl ethyl ketone Soak leaching added under activator, normal temperature after 20-30 minute
Bubble 45-70 minutes；
（4）The eider down for being impregnated with activator is taken out, drenches after solid carbon dioxide and immerses pH value to soak 70-80 in 3-5 hydrogen peroxide solution
Minute, the hydrogen peroxide solution for soaking eider down is then heated to 35 DEG C, 20 minutes are incubated；
（5）Take out and dried after first being soaked and then rinsed again with clear water with watery hydrochloric acid after eider down.
It is preferred that：Step（3）In, the activator is the ferrous sulfate aqueous solution that concentration is 1-3%.
It is preferred that：The weight ratio of the ether and ethyl acetate is 1:1.
The beneficial effects of the invention are as follows：Step 1 smokes eider down to shorten the time brightened using high-temperature steam, and step 2 is
Remove bimolecular film, be coated with the spacing outside of eider down one layer of water insoluble sterol and triguaiacyl phosphate main city cell
Film, is all the organic matter for being insoluble in water, and this tunic accounts for less than the 10% of whole down fiber quality so that eider down is water insoluble, very
Hardly possible drenches eider down, first removes the bimolecular film outside down fiber, the process for accelerating eider down to moisturize, and shortens eider down and takes off
The process of color, step 3 adds the activator ferrous sulfate aqueous solution in the mixed liquor of step 2, and bleaching is carried out to eider down,
PH value is 3-5 hydrogen peroxide solution, can reduce the degree of injury of eider down, and the elasticity that eider down can also be remained intact.
Present invention process is simple, with low cost, workable, first carries out steaming to eider down, and remove down fiber
Outside bimolecular film, can shorten the time for decolourizing to brighten, and improve efficiency, increase economic efficiency.
Embodiment
In order to deepen to the present invention immediately, the present invention to be described in further detail below in conjunction with embodiment, the reality
Apply example to be only used for explaining the present invention, protection scope of the present invention is not constituted and limited.
As shown in the Examples, the present invention is a kind of coloured eider down decolouring method of whitening, and the decolouring method of whitening is included such as
Lower step：
（1）The eider down decolourized will be needed to be smoked 10-40 minutes by high-temperature steam, 90-130 DEG C of temperature；
（2）The eider down that above-mentioned process steam is fumigated, which is immersed in the mixed liquor of ether, ethyl acetate and deionized water, to be soaked
Bubble 30-85 minutes, the weight ratio of the ether and ethyl acetate is 1:1；
（3）In step（2）In mixed liquor in add Methyl ethyl ketone Soak leaching added under activator, normal temperature after 20-30 minute
Bubble 45-80 minutes, the activator is the ferrous sulfate aqueous solution that concentration is 1-3%；
（4）The eider down for being impregnated with activator is taken out, drenches after solid carbon dioxide and immerses pH value to soak 60-90 in 3-5 hydrogen peroxide solution
Minute, the hydrogen peroxide solution for soaking eider down is then heated to 35-40 DEG C, 15-30 minutes are incubated；
（5）Take out and dried after first being soaked and then rinsed again with clear water with watery hydrochloric acid after eider down.
Step 1 smokes eider down to shorten the time brightened using high-temperature steam, and step 2 is bimolecular film, in eider down
Spacing outside be coated with one layer of water insoluble sterol and triguaiacyl phosphate main city cell membrane, be all be insoluble in water organic
Thing, this tunic accounts for less than the 10% of whole down fiber quality so that eider down is water insoluble, it is difficult to eider down be drenched, first by eider down
The bimolecular film of fibrous external is removed, the process for accelerating eider down to moisturize, and shortens the process that eider down decolourizes, step 3 is in step 2
Mixed liquor in add the activator ferrous sulfate aqueous solution, to eider down carry out bleaching, pH value for 3-5 dioxygen it is water-soluble
Liquid, can reduce the degree of injury of eider down, and the elasticity that eider down can also be remained intact, if ether occurs oxidation and produces precipitation
Thing, can also be shaken by ferrous sulfate aqueous solution and removed, MEK is initiator, promote the completion decolourized.
Embodiment one
The present invention is a kind of coloured eider down decolouring method of whitening, and the decolouring method of whitening comprises the following steps：
（1）The eider down decolourized will be needed to be smoked 15-30 minutes by high-temperature steam, 90-110 DEG C of temperature；
（2）The eider down that above-mentioned process steam is fumigated, which is immersed in the mixed liquor of ether, ethyl acetate and deionized water, to be soaked
Bubble 30-55 minutes, the weight ratio of the ether and ethyl acetate is 1:1；
（3）In step（2）In mixed liquor in add Methyl ethyl ketone Soak leaching added under activator, normal temperature after 20-30 minute
Bubble 50-60 minutes, the activator is the ferrous sulfate aqueous solution that concentration is 1-3%；
（4）The eider down for being impregnated with activator is taken out, drenches after solid carbon dioxide and immerses pH value to soak 60-80 in 3-5 hydrogen peroxide solution
Minute, the hydrogen peroxide solution for soaking eider down is then heated to 35-40 DEG C, 15-20 minutes are incubated；
（5）Take out and dried after first being soaked and then rinsed again with clear water with watery hydrochloric acid after eider down.
Embodiment two
The present invention is a kind of coloured eider down decolouring method of whitening, and the decolouring method of whitening comprises the following steps：
（1）The eider down decolourized will be needed to be smoked 20-40 minutes by high-temperature steam, 110-120 DEG C of temperature；
（2）The eider down that above-mentioned process steam is fumigated, which is immersed in the mixed liquor of ether, ethyl acetate and deionized water, to be soaked
Bubble 50-60 minutes, the weight ratio of the ether and ethyl acetate is 1:1；
（3）In step（2）In mixed liquor in add Methyl ethyl ketone Soak leaching added under activator, normal temperature after 20-30 minute
Bubble 45-70 minutes, the activator is the ferrous sulfate aqueous solution that concentration is 1-3%；
（4）The eider down for being impregnated with activator is taken out, drenches after solid carbon dioxide and immerses pH value to soak 70-80 in 3-5 hydrogen peroxide solution
Minute, the hydrogen peroxide solution for soaking eider down is then heated to 35 DEG C, 20 minutes are incubated；
（5）Take out and dried after first being soaked and then rinsed again with clear water with watery hydrochloric acid after eider down.
Embodiment three
The present invention is a kind of coloured eider down decolouring method of whitening, and the decolouring method of whitening comprises the following steps：
（1）The eider down decolourized will be needed to be smoked 10 minutes by high-temperature steam, 130 DEG C of temperature；
（2）The eider down that above-mentioned process steam is fumigated, which is immersed in the mixed liquor of ether, ethyl acetate and deionized water, to be soaked
Bubble 85 minutes, the weight ratio of the ether and ethyl acetate is 1:1；
（3）In step（2）In mixed liquor in add Methyl ethyl ketone Soak and added after 20 minutes under activator, normal temperature and soak 70
Minute, the activator is the ferrous sulfate aqueous solution that concentration is 3%；
（4）The eider down for being impregnated with activator is taken out, it is immersion in 3 hydrogen peroxide solution 65 minutes to drench immersion pH value after solid carbon dioxide,
Then the hydrogen peroxide solution for soaking eider down is heated to 35 DEG C, is incubated 20 minutes；
（5）Take out and dried after first being soaked and then rinsed again with clear water with watery hydrochloric acid after eider down.
Example IV
The present invention is a kind of coloured eider down decolouring method of whitening, and the decolouring method of whitening comprises the following steps：
（1）The eider down decolourized will be needed to be smoked 40 minutes by high-temperature steam, 90 DEG C of temperature；
（2）The eider down that above-mentioned process steam is fumigated, which is immersed in the mixed liquor of ether, ethyl acetate and deionized water, to be soaked
Bubble 50 minutes, the weight ratio of the ether and ethyl acetate is 1:1；
（3）In step（2）In mixed liquor in add Methyl ethyl ketone Soak and added after 30 minutes under activator, normal temperature and soak 60
Minute, the activator is the ferrous sulfate aqueous solution that concentration is 1.5%；
（4）The eider down for being impregnated with activator is taken out, it is immersion in 5 hydrogen peroxide solution 90 minutes to drench immersion pH value after solid carbon dioxide,
Then the hydrogen peroxide solution for soaking eider down is heated to 40 DEG C, is incubated 15 minutes；
（5）Take out and dried after first being soaked and then rinsed again with clear water with watery hydrochloric acid after eider down.
Embodiment five
The present invention is a kind of coloured eider down decolouring method of whitening, and the decolouring method of whitening comprises the following steps：
（1）The eider down decolourized will be needed to be smoked 30 minutes by high-temperature steam, 120 DEG C of temperature；
（2）The eider down that above-mentioned process steam is fumigated, which is immersed in the mixed liquor of ether, ethyl acetate and deionized water, to be soaked
Bubble 65 minutes, the weight ratio of the ether and ethyl acetate is 1:1；
（3）In step（2）In mixed liquor in add Methyl ethyl ketone Soak and added after 25 minutes under activator, normal temperature and soak 48
Minute, the activator is the ferrous sulfate aqueous solution that concentration is 2%；
（4）The eider down for being impregnated with activator is taken out, it is immersion in 4 hydrogen peroxide solution 85 minutes to drench immersion pH value after solid carbon dioxide,
Then the hydrogen peroxide solution for soaking eider down is heated to 35 DEG C, is incubated 25 minutes；
（5）Take out and dried after first being soaked and then rinsed again with clear water with watery hydrochloric acid after eider down.
Embodiment six
The present invention is a kind of coloured eider down decolouring method of whitening, and the decolouring method of whitening comprises the following steps：
（1）The eider down decolourized will be needed to be smoked 25 minutes by high-temperature steam, 100 DEG C of temperature；
（2）The eider down that above-mentioned process steam is fumigated, which is immersed in the mixed liquor of ether, ethyl acetate and deionized water, to be soaked
Bubble 70 minutes, the weight ratio of the ether and ethyl acetate is 1:1；
（3）In step（2）In mixed liquor in add Methyl ethyl ketone Soak and added after 20 minutes under activator, normal temperature and soak 55
Minute, the activator is the ferrous sulfate aqueous solution that concentration is 2.5%；
（4）The eider down for being impregnated with activator is taken out, it is immersion in 5 hydrogen peroxide solution 75 minutes to drench immersion pH value after solid carbon dioxide,
Then the hydrogen peroxide solution for soaking eider down is heated to 40 DEG C, is incubated 30 minutes；
（5）Take out and dried after first being soaked and then rinsed again with clear water with watery hydrochloric acid after eider down.
Embodiment seven
The present invention is a kind of coloured eider down decolouring method of whitening, and the decolouring method of whitening comprises the following steps：
（1）The eider down decolourized will be needed to be smoked 20 minutes by high-temperature steam, 95 DEG C of temperature；
（2）The eider down that above-mentioned process steam is fumigated, which is immersed in the mixed liquor of ether, ethyl acetate and deionized water, to be soaked
Bubble 30 minutes, the weight ratio of the ether and ethyl acetate is 1:1；
（3）In step（2）In mixed liquor in add Methyl ethyl ketone Soak and added after 30 minutes under activator, normal temperature and soak 80
Minute, the activator is the ferrous sulfate aqueous solution that concentration is 3%；
（4）The eider down for being impregnated with activator is taken out, it is immersion in 3 hydrogen peroxide solution 80 minutes to drench immersion pH value after solid carbon dioxide,
Then the hydrogen peroxide solution for soaking eider down is heated to 40 DEG C, is incubated 30 minutes；
（5）Take out and dried after first being soaked and then rinsed again with clear water with watery hydrochloric acid after eider down.
Present invention process is simple, with low cost, workable, first carries out steaming to eider down, and remove down fiber
Outside bimolecular film, can shorten the time for decolourizing to brighten, and improve efficiency, increase economic efficiency.
Claims (1)
1. a kind of coloured eider down decolouring method of whitening, it is characterised in that：The decolouring method of whitening comprises the following steps：
（1）The eider down decolourized will be needed to be smoked 10-40 minutes by high-temperature steam, 90-130 DEG C of temperature；
（2）The eider down that above-mentioned process steam is fumigated, which is immersed in the mixed liquor of ether, ethyl acetate and deionized water, soaks 30-
85 minutes；
（3）In step（2）In mixed liquor in add Methyl ethyl ketone Soak and added after 20-30 minutes under activator, normal temperature and soak 45-
80 minutes；
（4）The eider down for being impregnated with activator is taken out, it is immersion in 3-5 hydrogen peroxide solution 60-90 minutes to drench immersion pH value after solid carbon dioxide,
Then the hydrogen peroxide solution for soaking eider down is heated to 35-40 DEG C, is incubated 15-30 minutes；
（5）Take out and dried after first being soaked and then rinsed again with clear water with watery hydrochloric acid after eider down；
Wherein：Step（3）In, the activator is the ferrous sulfate aqueous solution that concentration is 1-3%；
Wherein：The weight ratio of the ether and ethyl acetate is 1:1.
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| CN201410420028.0A CN105369585B (en) | 2014-08-25 | 2014-08-25 | A kind of coloured eider down decolouring method of whitening |
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| CN201410420028.0A CN105369585B (en) | 2014-08-25 | 2014-08-25 | A kind of coloured eider down decolouring method of whitening |
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| CN105369585B true CN105369585B (en) | 2017-09-01 |
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| CN105349182B (en) * | 2015-12-01 | 2017-12-29 | 中国矿业大学 | The catalysis oxidation reagent system and method for a kind of lignite wax oxidative decoloration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| IT1233697B (en) * | 1989-06-02 | 1992-04-14 | Cinelli Piume Spa | METHOD AND SYSTEM FOR THE AUTOMATIC AND CONTINUOUS WASHING OF FEATHERS |
| CN1164825C (en) * | 2002-05-18 | 2004-09-01 | 青海雪舟三绒集团 | Method for decolouring yak hair |
| CN1327079C (en) * | 2003-06-30 | 2007-07-18 | 陈良 | Processing method for down with antibacterid, antivirus, mould proof, off odour eliminating and health care functions and use |
| CN100352993C (en) * | 2005-07-29 | 2007-12-05 | 华南理工大学 | Bleaching method of fenther fabric |
| CN100360736C (en) * | 2006-01-18 | 2008-01-09 | 孙雪保 | Fast decorizing and whitening method of color feather and down |
| CN202936522U (en) * | 2012-11-23 | 2013-05-15 | 河南省雪鸟实业有限公司 | Washing machine for downs |
| CN103243543B (en) * | 2013-05-27 | 2015-03-04 | 宁夏荣昌绒业集团有限公司 | Decoloration method of colored cashmere loose fiber |
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