CN104047156A - Low-temperature cashmere bleaching agent and bleaching method thereof - Google Patents
Low-temperature cashmere bleaching agent and bleaching method thereof Download PDFInfo
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- CN104047156A CN104047156A CN201410304627.6A CN201410304627A CN104047156A CN 104047156 A CN104047156 A CN 104047156A CN 201410304627 A CN201410304627 A CN 201410304627A CN 104047156 A CN104047156 A CN 104047156A
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- cashmere
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- bath raio
- glucose
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- 210000000085 cashmere Anatomy 0.000 title claims abstract description 69
- 238000004061 bleaching Methods 0.000 title claims abstract description 42
- 239000007844 bleaching agent Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 12
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 34
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims abstract description 23
- 239000008103 glucose Substances 0.000 claims abstract description 23
- 230000003647 oxidation Effects 0.000 claims abstract description 20
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 20
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims abstract description 15
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims abstract description 14
- RYYXDZDBXNUPOG-UHFFFAOYSA-N 4,5,6,7-tetrahydro-1,3-benzothiazole-2,6-diamine;dihydrochloride Chemical compound Cl.Cl.C1C(N)CCC2=C1SC(N)=N2 RYYXDZDBXNUPOG-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims abstract description 8
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 7
- 235000019387 fatty acid methyl ester Nutrition 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 7
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 7
- 239000012266 salt solution Substances 0.000 claims abstract description 7
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 7
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- 238000005406 washing Methods 0.000 claims description 48
- 239000000835 fiber Substances 0.000 claims description 37
- 239000000284 extract Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 18
- FRPJTGXMTIIFIT-UHFFFAOYSA-N tetraacetylethylenediamine Chemical compound CC(=O)C(N)(C(C)=O)C(N)(C(C)=O)C(C)=O FRPJTGXMTIIFIT-UHFFFAOYSA-N 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 12
- 229910052708 sodium Inorganic materials 0.000 claims description 12
- 239000011734 sodium Substances 0.000 claims description 12
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000003599 detergent Substances 0.000 claims description 6
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 6
- 239000011790 ferrous sulphate Substances 0.000 claims description 6
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 6
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 6
- -1 sodium alkyl sulfonate Chemical class 0.000 claims description 6
- 229940079827 sodium hydrogen sulfite Drugs 0.000 claims description 6
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 6
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 6
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims description 2
- 238000004383 yellowing Methods 0.000 abstract description 4
- XUJLWPFSUCHPQL-UHFFFAOYSA-N 11-methyldodecan-1-ol Chemical compound CC(C)CCCCCCCCCCO XUJLWPFSUCHPQL-UHFFFAOYSA-N 0.000 abstract 1
- 239000001488 sodium phosphate Substances 0.000 abstract 1
- 229910052979 sodium sulfide Inorganic materials 0.000 abstract 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 abstract 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 abstract 1
- 235000019801 trisodium phosphate Nutrition 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 241000283707 Capra Species 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000009897 hydrogen peroxide bleaching Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Abstract
The invention relates to a method for bleaching through a low-temperature cashmere bleaching agent. A metal salt solution contains 1% fatty acid methyl ester ethoxylate sulfonate, and an oxidation bleaching solution comprises 15g/L of 30% hydrogen peroxide, 8g/L of tetraacetylenediamine, 3g/L of glucose, 2.5 /L of trisodium phosphate, and 0.5g/L of ethylene glycol monobutyl ether; a reduction bleaching solution comprises 3g/L of thiourea dioxide, 1g/L of iso-tridecanol polyoxyethylene ether, 1g/L of glucose, 2g/L of sodium silicate, and 1g/L of sodium sulfide. By adopting the low-temperature cashmere bleaching agent and the bleaching method thereof, the whiteness of cashmere can be effectively improved, the damage on the cashmere can be alleviated, and the yellowing index of the bleached cashmere is low.
Description
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Technical field
The present invention relates to fiber bleached technical field, especially the agent of cashmere cold bleaching and method for bleaching.
Background technology
Goat cashmere is a kind of textile raw material of preciousness, and natural goat cashmere has the multiple colors such as white, blue or green, purple, brown, and wherein most precious is white, therefore needs cashmere to carry out bleaching.But bleaching agent of the prior art and bleaching process cost are high, larger to the damage of fiber, and bleaching after the easy yellowing of cashmere fiber.Therefore, seek bleaching agent and method for bleaching damage to fiber with minimizing under low temperature, just become current important problem.
Summary of the invention
In order to reduce the damage of cashmere, improve fibre whiteness, the invention provides the agent of a kind of cashmere cold bleaching, it comprises: 30% hydrogen peroxide, tetraacetyl ethylene diamine, glucose, tertiary sodium phosphate, ethylene glycol monobutyl ether.
Preferably, 30% hydrogen peroxide 10-20g/L, tetraacetyl ethylene diamine 5-10g/L, glucose 2-5g/L, tertiary sodium phosphate 2-3 g/L, ethylene glycol monobutyl ether 0.2-1g/L.
More preferably, 30% hydrogen peroxide 15g/L, tetraacetyl ethylene diamine 8g/L, glucose 3g/L, tertiary sodium phosphate 2.5g/L, ethylene glycol monobutyl ether 0.5g/L.
The present invention also provides a kind of cashmere cold bleaching method that agent is bleached, and comprises the following steps:
(1) cashmere fiber is placed in to metal salt solution and carries out preliminary treatment; bath raio 1:30; after cashmere complete wetting, start to heat up; programming rate is 1 DEG C/min; be increased to 75 DEG C of temperature, temperature retention time 25min, described slaine comprises 10% ferrous sulfate; 2% sodium hydrogensulfite, 1% fatty acid methyl ester ethoxylate sulfonate;
(2) pretreated slaine cashmere fiber is carried out to three washings, wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts;
(3) cashmere fiber after extracting is added in oxidation bleaching liquid and bleached; bath raio 1:30; programming rate is 1 DEG C/min; be increased to temperature 60 C, time 30min, described oxidation bleaching solution comprises 30% hydrogen peroxide 15g/L; tetraacetyl ethylene diamine 8g/L; glucose 3g/L, tertiary sodium phosphate 2.5 g/L, ethylene glycol monobutyl ether 0.5 g/L;
(4) cashmere fiber after oxidation bleaching carries out three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts;
(5) cashmere fiber after extracting is added in reducing bleach liquid and bleached; bath raio 1:30; programming rate is 1 DEG C/min; be increased to temperature 45 C; time 30min, described reducing bleach liquid comprises thiourea dioxide 3g/L, isomerous tridecanol polyoxyethylene ether 1g/L, glucose 1g/L, sodium metasilicate 2g/L, vulcanized sodium 1g/L;
(6) cashmere is carried out to three washings, wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts and is dried in 50 DEG C of hot blasts.
Wherein, can also comprise before in described step (1), the clear water that cashmere is placed in to bath raio 1:50 infiltrates, and then add sodium alkyl sulfonate 2-5g/L, detergent LS 0.1-2g/L obtains treatment fluid, and the pH value for the treatment of fluid is adjusted into 7-7.5, is then elevated to 55-65 DEG C with the programming rate of 1-2 DEG C/min, keep 10min, then cooling washing three times, wherein 45 DEG C of warm water wash once, and twice of cold water washing; bath raio is respectively 1:45, extracts.
Compared with hydrogen peroxide bleaching agent of the prior art, the present invention has added tetraacetyl ethylene diamine, glucose, tertiary sodium phosphate, ethylene glycol monobutyl ether, wherein tetraacetyl ethylene diamine makes hydrogen peroxide under low-temperature condition, have higher activity, and in glucose, there is aldehyde radical, understand according to routine, after adding, glucose can directly react with hydrogen peroxide, reduce the significant degree of hydrogen peroxide bleaching, but bleaching agent of the present invention is to use under cryogenic conditions, and there is tetraacetyl ethylene diamine, tertiary sodium phosphate, the synergy of ethylene glycol monobutyl ether, at this, the not single validity that does not reduce hydrogen peroxide of glucose, make on the contrary the oxidation of hydrogen peroxide more stable, effectively, thereby improve bleaching effect, effectively reduce the damage of cashmere.
When stating in the use the agent of cashmere cold bleaching and bleaching, in slaine preprocessing process, use fatty acid methyl ester ethoxylate sulfonate, made metal ion can enter fibrous inside, bleached more thorough; Cold bleaching agent has improved bleaching effect, effectively reduces the damage of cashmere; The present invention has also used novel reducing bleach, thiourea dioxide 3g/L, isomerous tridecanol polyoxyethylene ether 1g/L, glucose 1g/L, sodium metasilicate 2g/L, vulcanized sodium 1g/L, under the low temperature of 45 DEG C, cashmere is carried out to reducing bleach, greatly reduce the yellowing after cashmere bleaching.
The concentration occurring in present specification, specification digest, claims, wt% is the percentage by weight with respect to fiber, and all the other are mass concentration, and percentage is weight percentage.
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Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme of the present invention is carried out to more detailed introduction, but protection scope of the present invention is not limited to this.
embodiment 1:
The clear water that cashmere is placed in to bath raio 1:50 infiltrates, and then add sodium alkyl sulfonate 2g/L, detergent LS 2g/L obtains treatment fluid, and the pH value for the treatment of fluid is adjusted into 7-7.5, is then elevated to 55 DEG C with the programming rate of 1 DEG C/min, keep 10min, then cooling washing three times, wherein 45 DEG C of warm water wash once, and twice of cold water washing; bath raio is respectively 1:45, extracts.
Cashmere fiber is placed in to metal salt solution and carries out preliminary treatment, bath raio 1:30,75 DEG C of temperature, time 25min, described slaine comprises 10% ferrous sulfate, 2% sodium hydrogensulfite, 1% fatty acid methyl ester ethoxylate sulfonate;
Pretreated slaine cashmere fiber is carried out to three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts;
Cashmere fiber after extracting is added in oxidation bleaching liquid and bleached; bath raio 1:30; programming rate is 1 DEG C/min; be increased to temperature 60 C, time 30min, described oxidation bleaching solution comprises 30% hydrogen peroxide 15g/L; tetraacetyl ethylene diamine 8g/L; glucose 3g/L, tertiary sodium phosphate 2.5 g/L, ethylene glycol monobutyl ether 0.5 g/L;
Cashmere fiber after oxidation bleaching carries out three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts;
Cashmere fiber after extracting is added in reducing bleach liquid and bleached; bath raio 1:30; programming rate is 1 DEG C/min; be increased to temperature 45 C; time 30min, described reducing bleach liquid comprises thiourea dioxide 3g/L, isomerous tridecanol polyoxyethylene ether 1g/L, glucose 1g/L, sodium metasilicate 2g/L, vulcanized sodium 1g/L;
Cashmere is carried out to three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts and is dried in 50 DEG C of hot blasts.
embodiment 2:
The clear water that cashmere is placed in to bath raio 1:50 infiltrates, and then add sodium alkyl sulfonate 5g/L, detergent LS 0.1g/L obtains treatment fluid, and the pH value for the treatment of fluid is adjusted into 7-7.5, is then elevated to 65 DEG C with the programming rate of 1 DEG C/min, keep 10min, then cooling washing three times, wherein 45 DEG C of warm water wash once, and twice of cold water washing; bath raio is respectively 1:45, extracts.
Cashmere fiber is placed in to metal salt solution and carries out preliminary treatment, bath raio 1:30,75 DEG C of temperature, time 25min, described slaine comprises 10% ferrous sulfate, 2% sodium hydrogensulfite;
Pretreated slaine cashmere fiber is carried out to three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts;
Cashmere fiber after extracting is added in oxidation bleaching liquid and bleached; bath raio 1:30; programming rate is 1 DEG C/min; be increased to temperature 60 C, time 30min, described oxidation bleaching solution comprises 30% hydrogen peroxide 15g/L; tetraacetyl ethylene diamine 8g/L; glucose 3g/L, tertiary sodium phosphate 2.5 g/L, ethylene glycol monobutyl ether 0.5 g/L;
Cashmere fiber after oxidation bleaching carries out three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts;
Cashmere fiber after extracting is added in reducing bleach liquid and bleached; bath raio 1:30; programming rate is 1 DEG C/min; be increased to temperature 45 C; time 30min, described reducing bleach liquid comprises thiourea dioxide 3g/L, isomerous tridecanol polyoxyethylene ether 1g/L, glucose 1g/L, sodium metasilicate 2g/L, vulcanized sodium 1g/L;
Cashmere is carried out to three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts and is dried in 50 DEG C of hot blasts.
embodiment 3:
The clear water that cashmere is placed in to bath raio 1:50 infiltrates, and then add sodium alkyl sulfonate 3g/L, detergent LS 1g/L obtains treatment fluid, and the pH value for the treatment of fluid is adjusted into 7-7.5, is then elevated to 55-65 DEG C with the programming rate of 2 DEG C/min, keep 10min, then cooling washing three times, wherein 45 DEG C of warm water wash once, and twice of cold water washing; bath raio is respectively 1:45, extracts.
Cashmere fiber is placed in to metal salt solution and carries out preliminary treatment, bath raio 1:30,75 DEG C of temperature, time 25min, described slaine comprises 10% ferrous sulfate, 2% sodium hydrogensulfite, 1% fatty acid methyl ester ethoxylate sulfonate;
Pretreated slaine cashmere fiber is carried out to three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts;
Cashmere fiber after extracting is added in oxidation bleaching liquid and bleached, bath raio 1:30, programming rate is 1 DEG C/min, be increased to temperature 60 C, time 30min, described oxidation bleaching solution comprises 30% hydrogen peroxide 15g/L, tetraacetyl ethylene diamine 8g/L, tertiary sodium phosphate 2.5g/L;
Cashmere fiber after oxidation bleaching carries out three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts;
Cashmere fiber after extracting is added in reducing bleach liquid and bleached; bath raio 1:30; programming rate is 1 DEG C/min; be increased to temperature 45 C; time 30min, described reducing bleach liquid comprises thiourea dioxide 3g/L, isomerous tridecanol polyoxyethylene ether 1g/L, glucose 1g/L, sodium metasilicate 2g/L, vulcanized sodium 1g/L;
Cashmere is carried out to three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts and is dried in 50 DEG C of hot blasts.
embodiment 4:
The clear water that cashmere is placed in to bath raio 1:50 infiltrates, and then add sodium alkyl sulfonate 2g/L, detergent LS 2g/L obtains treatment fluid, and the pH value for the treatment of fluid is adjusted into 7-7.5, is then elevated to 55-65 DEG C with the programming rate of 2 DEG C/min, keep 10min, then cooling washing three times, wherein 45 DEG C of warm water wash once, and twice of cold water washing; bath raio is respectively 1:45, extracts.
Cashmere fiber is placed in to metal salt solution and carries out preliminary treatment, bath raio 1:30,75 DEG C of temperature, time 25min, described slaine comprises 10% ferrous sulfate, 2% sodium hydrogensulfite, 1% fatty acid methyl ester ethoxylate sulfonate;
Pretreated slaine cashmere fiber is carried out to three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts;
Cashmere fiber after extracting is added in oxidation bleaching liquid and bleached; bath raio 1:30; programming rate is 1 DEG C/min; be increased to temperature 60 C, time 30min, described oxidation bleaching solution comprises 30% hydrogen peroxide 15g/L; tetraacetyl ethylene diamine 8g/L; glucose 3g/L, tertiary sodium phosphate 2.5 g/L, ethylene glycol monobutyl ether 0.5 g/L;
Cashmere fiber after oxidation bleaching carries out three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts;
Cashmere fiber after extracting is added in reducing bleach liquid and bleached, bath raio 1:30, programming rate is 1 DEG C/min, is increased to temperature 45 C, time 30min, described reducing bleach liquid comprises thiourea dioxide 3g/L, sodium hydrosulfite 6g/L;
Cashmere is carried out to three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts and is dried in 50 DEG C of hot blasts.
Use whiteness instrument to measure the whiteness value Wr of the rear fiber of bleaching, and on whiteness instrument, read X, Y, Z tristimulus values calculating yellowness index YI=100*(X-Z)/Y, measures alkali solubility according to IWTO experimental technique 4-60E.Experimental result is compared in table 1
Table 1
| ? | Whiteness | Yellowness index | Alkali solubility |
| Former suede | 25.76 | 18.73 | 18.32% |
| Embodiment 1 | 71.02 | 20.12 | 21.03% |
| Embodiment 2 | 62.23 | 26.15 | 27.42% |
| Embodiment 3 | 58.26 | 23.45 | 26.37% |
| Embodiment 4 | 57.45 | 24.03 | 26.42% |
As can be seen here, bleaching agent of the present invention and method for bleaching can obtain that whiteness is higher, damage is less, are more difficult for the cashmere of yellowing.
The above is the preferred embodiment of the present invention, it should be pointed out that the general technical staff for the art, under the premise without departing from the principles of the invention, can also make and improving and modification, and these improve and modification also should be considered as protection scope of the present invention.
Claims (5)
1. a cashmere cold bleaching agent, it comprises: 30% hydrogen peroxide, tetraacetyl ethylene diamine, glucose, tertiary sodium phosphate, ethylene glycol monobutyl ether.
2. cashmere cold bleaching as claimed in claim 1 agent, is characterized in that, 30% hydrogen peroxide 10-20g/L, tetraacetyl ethylene diamine 5-10g/L, glucose 2-5g/L, tertiary sodium phosphate 2-3 g/L, ethylene glycol monobutyl ether 0.2-1g/L.
3. cashmere cold bleaching as claimed in claim 2 agent, is characterized in that, 30% hydrogen peroxide 15g/L, tetraacetyl ethylene diamine 8g/L, glucose 3g/L, tertiary sodium phosphate 2.5 g/L, ethylene glycol monobutyl ether 0.5 g/L.
4. the method that uses the cashmere cold bleaching agent as described in claim 1-3 any one to bleach, is characterized in that comprising the following steps:
(1) cashmere fiber is placed in to metal salt solution and carries out preliminary treatment; bath raio 1:30; after cashmere complete wetting, start to heat up; programming rate is 1 DEG C/min; be increased to 75 DEG C of temperature, temperature retention time 25min, described slaine comprises 10% ferrous sulfate; 2% sodium hydrogensulfite, 1% fatty acid methyl ester ethoxylate sulfonate;
(2) pretreated slaine cashmere fiber is carried out to three washings, wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts;
(3) cashmere fiber after extracting is added in oxidation bleaching liquid and bleached; bath raio 1:30; programming rate is 1 DEG C/min; be increased to temperature 60 C, time 30min, described oxidation bleaching solution comprises 30% hydrogen peroxide 15g/L; tetraacetyl ethylene diamine 8g/L; glucose 3g/L, tertiary sodium phosphate 2.5 g/L, ethylene glycol monobutyl ether 0.5 g/L;
(4) cashmere fiber after oxidation bleaching carries out three washings, and wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts;
(5) cashmere fiber after extracting is added in reducing bleach liquid and bleached; bath raio 1:30; programming rate is 1 DEG C/min; be increased to temperature 45 C; time 30min, described reducing bleach liquid comprises thiourea dioxide 3g/L, isomerous tridecanol polyoxyethylene ether 1g/L, glucose 1g/L, sodium metasilicate 2g/L, vulcanized sodium 1g/L;
(6) cashmere is carried out to three washings, wherein 45 DEG C of warm water wash once, cold water washing twice, and bath raio is respectively 1:45, extracts and is dried in 50 DEG C of hot blasts.
5. the method for bleaching as claimed in claim 3, is characterized in that:
Also comprise before in described step (1), the clear water that cashmere is placed in to bath raio 1:50 infiltrates, and then adds sodium alkyl sulfonate 2-5g/L, and detergent LS 0.1-2g/L obtains treatment fluid, the pH value for the treatment of fluid is adjusted into 7-7.5, then be elevated to 55-65 DEG C with the programming rate of 1-2 DEG C/min, keep 10min, then cooling washing three times, wherein 45 DEG C of warm water wash once, cold water washing twice, bath raio is respectively 1:45, extracts.
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| CN201410304627.6A CN104047156B (en) | 2014-06-30 | 2014-06-30 | A kind of cashmere cold bleaching agent and method for bleaching thereof |
| CN201510694211.4A CN105177983A (en) | 2014-06-30 | 2014-06-30 | Cashmere blanching method |
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| CN104358135A (en) * | 2014-10-28 | 2015-02-18 | 成都嘉鹏科技有限公司 | Fabric dust remover |
| CN104514071A (en) * | 2014-12-24 | 2015-04-15 | 江苏华西村精毛纺织有限公司 | Wool/cattle fluff fiber/mulberry silk/copper ammonia fiber blended fabric and preparation method thereof |
| CN105040397A (en) * | 2015-04-02 | 2015-11-11 | 宁夏中银绒业股份有限公司 | Improved grey cashmere decoloring method |
| CN105040398A (en) * | 2015-04-02 | 2015-11-11 | 宁夏中银绒业股份有限公司 | Improved cashmere oxidation bleaching method |
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| CN105063992A (en) * | 2015-08-04 | 2015-11-18 | 宁夏荣昌绒业集团有限公司 | Decoloring method of natural colored animal fibers |
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| CN104514071A (en) * | 2014-12-24 | 2015-04-15 | 江苏华西村精毛纺织有限公司 | Wool/cattle fluff fiber/mulberry silk/copper ammonia fiber blended fabric and preparation method thereof |
| CN105040397A (en) * | 2015-04-02 | 2015-11-11 | 宁夏中银绒业股份有限公司 | Improved grey cashmere decoloring method |
| CN105040398A (en) * | 2015-04-02 | 2015-11-11 | 宁夏中银绒业股份有限公司 | Improved cashmere oxidation bleaching method |
| CN105040400A (en) * | 2015-04-02 | 2015-11-11 | 宁夏中银绒业股份有限公司 | Improved cashmere oxidation-reduction bleaching method |
| CN105063992B (en) * | 2015-08-04 | 2017-06-20 | 宁夏荣昌绒业集团有限公司 | A kind of discoloration method of natural colored animal origin |
| CN105063992A (en) * | 2015-08-04 | 2015-11-18 | 宁夏荣昌绒业集团有限公司 | Decoloring method of natural colored animal fibers |
| CN105284892A (en) * | 2015-10-30 | 2016-02-03 | 明光市良宇家俬有限公司 | Bleaching disinfectant for sofa leather |
| CN105544178A (en) * | 2016-01-27 | 2016-05-04 | 江苏联宏纺织有限公司 | Raccoon dog hair fiber bleaching and decoloration method |
| CN109056303A (en) * | 2018-07-02 | 2018-12-21 | 汪涛 | A kind of color inhibition cold bleaching technique of cashmere |
| US11525200B2 (en) | 2019-01-31 | 2022-12-13 | Ecolab Usa Inc. | Controller for a rinse water reuse system and methods of use |
| US11572652B2 (en) | 2019-01-31 | 2023-02-07 | Ecolab Usa Inc. | Controlling water levels and detergent concentration in a wash cycle |
| CN113026339A (en) * | 2021-04-12 | 2021-06-25 | 中国农业科学院兰州畜牧与兽药研究所 | Yak hair decoloring method |
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| CN105177983A (en) | 2015-12-23 |
| CN104047156B (en) | 2016-02-10 |
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