CN105421102A - Process of printing and dyeing leather with lemon peel juice - Google Patents
Process of printing and dyeing leather with lemon peel juice Download PDFInfo
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- CN105421102A CN105421102A CN201510981953.5A CN201510981953A CN105421102A CN 105421102 A CN105421102 A CN 105421102A CN 201510981953 A CN201510981953 A CN 201510981953A CN 105421102 A CN105421102 A CN 105421102A
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- dyeing
- lemon
- lemon yellow
- yellow pigment
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/34—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using natural dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/653—Nitrogen-free carboxylic acids or their salts
- D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/67341—Salts or hydroxides of elements different from the alkaline or alkaline-earth metals or with anions containing those elements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/32—Material containing basic nitrogen containing amide groups leather skins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses a process of printing and dyeing leather with lemon peel juice. The process includes the following steps: extracting lemon yellow pigment through extraction, purification and the like; dyeing the leather, which is subjected to mordant dyeing with rare earths, with the lemon dye; and coating the leather with neatsfoot oil. In the invention, the natural dye and the surface of the leather are treated, and the dyeing effect is improved by dyeing the leather with the natural dye.
Description
Technical field
The present invention relates to leather coloring technical field, be specifically related to a kind of technique utilizing lemon peel juice printing and dyeing leather.
Background technology
Leather is the not perishable Animal Skin of sex change obtained through physics, chemical processes such as depilation and tannings.Leather is made up of at three dimensions close weave natural protein fibre, and there is a kind of special grain layer on its surface, has natural graining and gloss, comfortable feel.Leather is widely used in the main body industries such as shoemaking, fur clothing, leather goods, fur and goods thereof, and the supporting industry such as leather chemical industry, leather five metals, leather machine, auxiliary material.
Leather on the market comprises the different kind such as corium, regenerated bark, artificial leather, synthetic leather.No matter be corium or artificial leather be all single color before not dyed.These single leather processing become different products cannot meet the vision requirement of people for color.Therefore, in the industry that leather is relevant, by dyeing, the surface of leather is processed, be then processed into colorful leather products.After leather coloring, rich color, attractive in appearance, more can obtain the favor of consumer.
Leather coloring dyestuff used is generally the chemical dyestuff of synthesis, and mostly belong to the dyestuff of aromatic amine, aromatic amine material mostly can be carcinogenic.Synthetic dyestuffs more and more cause the concern of people with the problem of environmental pollution in application process producing, natural dye, with its plurality of advantages such as environmental protection, safety non-toxic, obtains the attention of people again.
At present, natural dye contaminates at leather, and the application many places in look are in laboratory stage.Because leather surface is difficult to absorb to natural dye, be really applied to the little of production.
Summary of the invention
For overcoming the defect of prior art, the object of the present invention is to provide a kind of technique utilizing lemon peel juice printing and dyeing leather, by processing natural dye and leather surface, with natural dye, dyeing being carried out to leather and improving Color.
For achieving the above object, the technical solution adopted in the present invention is as follows:
Utilize a technique for lemon peel juice printing and dyeing leather, this technique comprises the following steps:
1) lemon yellow pigment is extracted:
Extract: fresh lemon removes the lemon peel scraping flesh after pulp, and add NaCl after chopping and pickle 1-3 hour, be then transferred in extractor, add ethanol and carry out extracting, extracting terminates rear recovery ethanol, obtains lemon yellow pigment concentrate;
Purifying: by silicagel column on above-mentioned lemon yellow pigment concentrate, elution, collect yellow eluent part, reduced pressure concentration, obtains the lemon yellow pigment of purifying;
2) dyestuff preparation:
In step 1) add tannin extract and color-fixing agent in the lemon yellow pigment that obtains, wherein calculate lemon yellow pigment 37-62 part, tannin extract 12-25 part, color-fixing agent 3-5 part by weight; Lemon yellow dyestuff is obtained after mixing;
3) leather coloring:
Rare earth mordant dyeing: the lanthanum nitrate-citric acid complex solution of the leather 0.1-0.4% that need dye turns 2-5 hour in rotary drum;
Dyeing: with above-mentioned steps 2) the lemon yellow dyestuff that obtains carries out coating to the above-mentioned leather through rare earth mordant dyeing and paints, and at rotary drum transfer 1.8-2 hour after colouring, completes dyeing;
Oil: above-mentioned entered dyeing after leather coat ox horn bone oil, knead, dry under normal temperature.In further scheme, step 1 of the present invention) in leaching process, adopt the ethanol of 90-95% to carry out extracting, the weight ratio of ethanol and lemon peel is 1:10-30; The addition of NaCl accounts for the 0.1-0.5% of lemon peel weight.
In further scheme, step 1 of the present invention) in the temperature of extracting control at 50-80 DEG C; The time of extracting is 1.5-2.5 hour.
In further scheme, step 1 of the present invention) eluent that adopts in purge process is the alcohol mixture of benzinum and 90%, wherein the volume ratio of benzinum and ethanol is 2:1.
In further scheme, step 2 of the present invention) process that dyes is total, and when dyeing in rotary drum after colouring, the temperature of rotary drum controls at 30-45 DEG C.
In further scheme, leather of the present invention is the one in animal dermis, regenerated bark, leatheret, synthetic leather.
In further scheme, leather of the present invention is Animal Skin, step 2) in before rare earth mordant dyeing, also comprise leather surface process: the Animal Skin after tanning process carries out acidleach, neutralisation treatment, and adjust ph is 4-6.
In further scheme, color-fixing agent of the present invention is at least one in cetylpyridinium chloride, brocide and crosslinked color-fixing agent DE.
Compared to existing technology, beneficial effect of the present invention is:
1. the technique of lemon peel juice printing and dyeing leather that utilizes of the present invention adopts lemon peel as the source of natural dye, and fruit is fully used;
2. the lemon yellow pigment adopting natural lemon skin to obtain in technique of the present invention adds without chemistry, the cladding of printing and dyeing out has natural, natural in color, safe and harmless, glossy fuller advantage, can give the crowd higher to security requirement and provide new selection;
3. in technique of the present invention by carrying out rare earth mordant dyeing to leather, and control dyeing time and temperature make dyestuff evenly to leather internal penetration, realize dyeing equilibrium, improve dyeing quality.
Detailed description of the invention
Below in conjunction with concrete embodiment, the present invention is described in further detail.
The technique utilizing lemon peel juice printing and dyeing leather of the present invention, this technique comprises the following steps:
1) lemon yellow pigment is extracted:
Extract: fresh lemon removes the lemon peel scraping flesh after pulp, and add NaCl after chopping and pickle 1-3 hour, be then transferred in extractor, add ethanol and carry out extracting, extracting terminates rear recovery ethanol, obtains lemon yellow pigment concentrate;
Purifying: by silicagel column on above-mentioned lemon yellow pigment concentrate, elution, collect yellow eluent part, reduced pressure concentration, obtains the lemon yellow pigment of purifying;
2) dyestuff preparation:
In step 1) add tannin extract and color-fixing agent in the lemon yellow pigment that obtains, wherein calculate lemon yellow pigment 37-62 part, tannin extract 12-25 part, color-fixing agent 3-5 part by weight; Lemon yellow dyestuff is obtained after mixing;
3) leather coloring:
Rare earth mordant dyeing: the lanthanum nitrate-citric acid complex solution of the leather 0.1-0.4% that need dye turns 2-5 hour in rotary drum;
Dyeing: with above-mentioned steps 2) the lemon yellow dyestuff that obtains carries out coating to the above-mentioned leather through rare earth mordant dyeing and paints, and at rotary drum transfer 1.8-2 hour after colouring, completes dyeing;
Oil: above-mentioned entered dyeing after leather coat ox horn bone oil, knead, dry under normal temperature.
In the present invention, found through experiments, when extracting, when solid-liquid ratio is 1:(10-20) time, along with the increase pigment relative value of quantity of solvent significantly increases, this stage solubility is the principal element affecting recovery rate, but when solid-liquid ratio reaches 1:30, pigment dissolves substantially, then the impact of amount on recovery rate increasing solvent is little.Therefore, in order to make full use of solvent, avoid causing waste, in step 1 of the present invention) in leaching process, adopt the ethanol of 90-95% to carry out extracting, the weight ratio of ethanol and lemon peel is 1:(10-30).In the present invention, can the make composition in lemon peel and the juice of NaCl fully ooze out, and the addition of NaCl accounts for the 0.1-0.5% of lemon peel weight.
In the present invention, extraction time is also one of reason affecting chromatic number relative value, and along with the increase of extraction time, pigment relative value constantly increases, but upon extracting between be increased to a certain degree, pigment relative value not increase, even start occur reduce; And when temperature is higher, extraction time is long, the destruction of lemon yellow pigment can be relatively obvious.Therefore, step 1 of the present invention) in the temperature of extracting control at 50-80 DEG C; The time of extracting is 1.5-2.5 hour.
In further scheme, step 1 of the present invention) eluent that adopts in purge process is benzinum and 90% alcohol mixture, wherein the volume ratio of benzinum and ethanol is 2:1.
In above-mentioned technique, by contrast test, find the faster and adsorption effect of speed that the leather after rare earth mordant dyeing adsorb relative to the leather not through rare earth mordant dyeing obviously, illustrate that adding of rare earth makes lemon yellow pigment have stronger affinity to collagenous fibres.And the temperature of rotary drum can affect the effect that rare earth is urged to contaminate, accelerate along with temperature raises adsorption rate, but after temperature is more than 45 DEG C, the quickening degree of adsorption rate is no longer obvious.In addition, dyestuff, on certain pollutant, has a temperature variant upper dye curve, and temperature raises, and the time that dyestuff reaches dye balance is short; Temperature is low, reaches equilibrium time long; Often to rouse dyeing consistent, must the strict temperature controlling rotary drum.Therefore, in step 2 of the present invention) process that dyes is total, and when dyeing in rotary drum after colouring, the temperature of rotary drum controls at 30-45 DEG C.
In further scheme, leather of the present invention is the one in animal dermis, regenerated bark, leatheret, synthetic leather.
In further scheme, leather of the present invention is Animal Skin, step 2) in before rare earth mordant dyeing, also comprise leather surface process: the Animal Skin after tanning process carries out acidleach, neutralisation treatment, and adjust ph is 4-6.
In further scheme, color-fixing agent of the present invention is at least one in cetylpyridinium chloride, brocide and crosslinked color-fixing agent DE.
Be below specific embodiment of the present invention, in the following embodiments, the raw material adopted, reagent and equipment all can be obtained by buying pattern.
Embodiment 1
Utilize the technique of lemon peel juice printing and dyeing leather, this technique comprises the following steps:
1) lemon yellow pigment is extracted:
Extract: fresh lemon removes the lemon peel scraping flesh after pulp, add NaCl after chopping and pickle 1 hour, be then transferred in extractor, add the extracting 2.5 hours at 50 DEG C of temperature of 90% ethanol, extracting terminates rear recovery ethanol, obtains lemon yellow pigment concentrate;
Purifying: by silicagel column on above-mentioned lemon yellow pigment concentrate, adopt oily ether and 90% alcohol mixture as elution, wherein the volume ratio of benzinum and ethanol is 2:1; Collect yellow eluent part, reduced pressure concentration, obtains the lemon yellow pigment of purifying;
2) dyestuff preparation:
In step 1) add tannin extract and color-fixing agent in the lemon yellow pigment that obtains, wherein calculate lemon yellow pigment 37 parts, tannin extract 12 parts, 5 parts, color-fixing agent by weight; Lemon yellow dyestuff is obtained after mixing;
3) leather coloring:
Rare earth mordant dyeing: the leather that need the dye lanthanum nitrate-citric acid complex solution of 0.1% turns 5 hours in rotary drum;
Dyeing: with above-mentioned steps 2) the lemon yellow dyestuff that obtains carries out coating to the above-mentioned leather through rare earth mordant dyeing and paints, and the temperature controlling rotary drum after colouring in rotary drum is 30 DEG C, turns 2 hours, completes dyeing;
Oil: above-mentioned entered dyeing after leather coat ox horn bone oil, knead, dry under normal temperature.
Embodiment 2
Utilize the technique of lemon peel juice printing and dyeing leather, this technique comprises the following steps:
1) lemon yellow pigment is extracted:
Extract: fresh lemon removes the lemon peel scraping flesh after pulp, add NaCl after chopping and pickle 1.5 hours, be then transferred in extractor, add the extracting 2 hours at 65 DEG C of temperature of 92% ethanol, extracting terminates rear recovery ethanol, obtains lemon yellow pigment concentrate;
Purifying: by silicagel column on above-mentioned lemon yellow pigment concentrate, adopt oily ether and 90% alcohol mixture as elution, wherein the volume ratio of benzinum and ethanol is 2:1; Collect yellow eluent part, reduced pressure concentration, obtains the lemon yellow pigment of purifying;
2) dyestuff preparation:
In step 1) add tannin extract and color-fixing agent in the lemon yellow pigment that obtains, wherein calculate lemon yellow pigment 46 parts, tannin extract 18 parts, 3 parts, color-fixing agent by weight; Lemon yellow dyestuff is obtained after mixing;
3) leather coloring:
Leather surface process: the Animal Skin after tanning process carries out acidleach, neutralisation treatment, adjust ph is 5, obtains corium;
Rare earth mordant dyeing: by the corium after above-mentioned process with 0.3% lanthanum nitrate-citric acid complex solution turn 3 hours in rotary drum;
Dyeing: with above-mentioned steps 2) the lemon yellow dyestuff that obtains carries out coating to the above-mentioned leather through rare earth mordant dyeing and paints, and the temperature controlling rotary drum after colouring in rotary drum is 40 DEG C, turns 1.9 hours, completes dyeing;
Oil: above-mentioned entered dyeing after leather coat ox horn bone oil, knead, dry under normal temperature.Embodiment 3
Utilize the technique of lemon peel juice printing and dyeing leather, this technique comprises the following steps:
1) lemon yellow pigment is extracted:
Extract: fresh lemon removes the lemon peel scraping flesh after pulp, add NaCl after chopping and pickle 2 hours, be then transferred in extractor, add the extracting 1.5 hours at 80 DEG C of temperature of 95% ethanol, extracting terminates rear recovery ethanol, obtains lemon yellow pigment concentrate;
Purifying: by silicagel column on above-mentioned lemon yellow pigment concentrate, adopt oily ether and 90% alcohol mixture as elution, wherein the volume ratio of benzinum and ethanol is 2:1; Collect yellow eluent part, reduced pressure concentration, obtains the lemon yellow pigment of purifying;
2) dyestuff preparation:
In step 1) add tannin extract and color-fixing agent in the lemon yellow pigment that obtains, wherein calculate lemon yellow pigment 62 parts, tannin extract 25 parts, 5 parts, color-fixing agent by weight; Lemon yellow dyestuff is obtained after mixing;
3) leather coloring:
Rare earth mordant dyeing: the leather that need the dye lanthanum nitrate-citric acid complex solution of 0.4% turns 2 hours in rotary drum;
Dyeing: with above-mentioned steps 2) the lemon yellow dyestuff that obtains carries out coating to the above-mentioned leather through rare earth mordant dyeing and paints, and the temperature controlling rotary drum after colouring in rotary drum is 45 DEG C, turns 1.8 hours, completes dyeing;
Oil: above-mentioned entered dyeing after leather coat ox horn bone oil, knead, dry under normal temperature.
Color detects
The Color of the colouring leather obtained after dyeing to above-described embodiment 1-3 is identified, carries out dry friction and wet friction according to the concrete grammar of defined in QB/T2790-2006 " dyeing fur colour fastness to rubbing method of testing " to the leather after dyeing.Wherein washing fastness, level-dyeing property, dry friction and wet friction are divided into 5 each grades respectively, and wherein 5 grades represent that effect is best.In dry friction and wet friction, result is divided into 5 each ranks, wherein 1 grade of expression about has the area of 1/10 to occur losing lustre or discoloration, 2 grades of expressions about have the area of 1/20 to occur losing lustre or discoloration, 3 grades of expressions about have the area of 1/30 to occur losing lustre or discoloration, fading or losing lustre does not appear in 4 grades of expressions substantially, and 5 grades of expressions there will not be loses lustre or discoloration.Qualification result is see table 1.
Table 1
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Dye-uptake % | 91.6 | 95.7 | 92.2 |
| Washing fastness (rank) | 4 | 4 | 4 |
| Surface feel | There are glossy sense and sliding sense | There are glossy sense and sliding sense | There are glossy sense and sliding sense |
| Level-dyeing property | 5 | 5 | 5 |
| Xerotripsis | 4 | 4 | 4 |
| Wet rubbing | 4 | 3 | 3 |
Above-mentioned embodiment is only the preferred embodiment of the present invention; can not limit the scope of protection of the invention with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present invention all belong to the present invention's scope required for protection.
Claims (8)
1. utilize a technique for lemon peel juice printing and dyeing leather, it is characterized in that, this technique comprises the following steps:
1) lemon yellow pigment is extracted:
Extract: fresh lemon removes the lemon peel scraping flesh after pulp, and add NaCl after chopping and pickle 1-3 hour, be then transferred in extractor, add ethanol and carry out extracting, extracting terminates rear recovery ethanol, obtains lemon yellow pigment concentrate;
Purifying: by silicagel column on above-mentioned lemon yellow pigment concentrate, elution, collect yellow eluent part, reduced pressure concentration, obtains the lemon yellow pigment of purifying;
2) dyestuff preparation:
In step 1) add tannin extract and color-fixing agent in the lemon yellow pigment that obtains, wherein calculate lemon yellow pigment 37-62 part, tannin extract 12-25 part, color-fixing agent 3-5 part by weight; Lemon yellow dyestuff is obtained after mixing;
3) leather coloring:
Rare earth mordant dyeing: the lanthanum nitrate-citric acid complex solution of the leather 0.1-0.4% that need dye turns 2-5 hour in rotary drum;
Dyeing: with above-mentioned steps 2) the lemon yellow dyestuff that obtains carries out coating to the above-mentioned leather through rare earth mordant dyeing and paints, and at rotary drum transfer 1.8-2 hour after colouring, completes dyeing;
Oil: above-mentioned entered dyeing after leather coat ox horn bone oil, knead, dry under normal temperature.
2. technique according to claim 1, is characterized in that, step 1) in leaching process, adopt the ethanol of 90-95% to carry out extracting, the weight ratio of ethanol and lemon peel is 1:10-30; The addition of NaCl accounts for the 0.1-0.5% of lemon peel weight.
3. technique according to claim 1, is characterized in that, step 1) in the temperature of extracting control at 50-80 DEG C; The time of extracting is 1.5-2.5 hour.
4. technique according to claim 1, is characterized in that, step 1) eluent that adopts in purge process is the alcohol mixture of benzinum and 90%, wherein the volume ratio of benzinum and ethanol is 2:1.
5. technique according to claim 1, is characterized in that, step 2) process that dyes is total, and when dyeing in rotary drum after colouring, the temperature of rotary drum controls at 30-45 DEG C.
6. technique according to claim 1, is characterized in that, described leather is the one in animal dermis, regenerated bark, leatheret, synthetic leather.
7. technique according to claim 6, is characterized in that, described leather is Animal Skin, step 2) in before rare earth mordant dyeing, also comprise leather surface process: the Animal Skin after tanning process carries out acidleach, neutralisation treatment, and adjust ph is 4-6.
8. according to any one of claim 1-6 technique, it is characterized in that, described color-fixing agent is at least one in cetylpyridinium chloride, brocide and crosslinked color-fixing agent DE.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510981953.5A CN105421102B (en) | 2015-12-22 | 2015-12-22 | A kind of technique for leather of being printed and dyed using lemon peel juice |
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| CN201510981953.5A CN105421102B (en) | 2015-12-22 | 2015-12-22 | A kind of technique for leather of being printed and dyed using lemon peel juice |
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| CN105421102B CN105421102B (en) | 2018-02-09 |
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| CN106758370A (en) * | 2017-01-18 | 2017-05-31 | 遵义医学院 | A kind of catgut colouring method |
| CN111363867A (en) * | 2020-05-11 | 2020-07-03 | 杭州天龙手袋股份有限公司 | Method for carrying out grass-wood dyeing on chrome tanned cow leather |
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| CN111363867A (en) * | 2020-05-11 | 2020-07-03 | 杭州天龙手袋股份有限公司 | Method for carrying out grass-wood dyeing on chrome tanned cow leather |
| CN111363867B (en) * | 2020-05-11 | 2022-05-31 | 杭州天龙手袋股份有限公司 | Method for carrying out grass-wood dyeing on chrome tanned cow leather |
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| CN105421102B (en) | 2018-02-09 |
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