CN102703624B - Method for forming pebble-grain surface of cowhide leather - Google Patents
Method for forming pebble-grain surface of cowhide leather Download PDFInfo
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- CN102703624B CN102703624B CN201210150934.4A CN201210150934A CN102703624B CN 102703624 B CN102703624 B CN 102703624B CN 201210150934 A CN201210150934 A CN 201210150934A CN 102703624 B CN102703624 B CN 102703624B
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Abstract
The invention provides a method for forming pebble-grain surface of cowhide leather. The method comprises the following steps: 1) placing blue leather in a drum; adding water, oxalic acid and sulfated ester compounds; rotating the drum; and carrying out water discharge, water washing and water exchange; 2) adding water and aliphatic series polyaldehyde; rotating the drum; neutralizing with alkali; adding crylic acid and grease; rotating the drum; and carrying out water discharge, water washing and water exchange; 3) adding water, crylic acid, a synthetic tanning agent, dispersed tannin, a mimosa extract, a quebracho extract and a dye and rotating the drum; 4) dying through the core with the dye, then adding melamine, dicyandiamide, the mimosa extract, the quebracho extract, grease and a pebble forming agent; rotating the drum; and solidifying acid and exchanging water; and 5) adding water, crylic acid and grease and rotating the drum; solidifying acid; carrying out water discharge, water washing and water exchange; 6) adding water and oil-wax fatliquor, and 7) carrying out dry finishing. By the method, a pebble effect can be naturally exerted on the grain surface of the leather and the potential added value of the leather is expanded.
Description
Technical field
The present invention relates to a kind of formation method of ox-hide bubble grain.
Background technology
The grain that existing method for leather-making produces, or be wholegrain face, and be plane, it is little that effect is hindered in screening; Being embossing, in order to hide wound, and changing the natural effect of grain side of leather, lack the natural beauty of leather; Be by buffing, remove epidermal area, allowing human consumer can not distinguish is corium, reduces the class of leatherware, thus reduces economic worth and result of use.
the content of invention
The object of the present invention is to provide a kind of formation method of ox-hide bubble grain, present method can on grain side of leather self-assembling formation bubble effect, neither buffing, also not embossing, keep wholegrain face, but bubble hides disability again, has again the grain of beautiful solid, improve use value and the aesthetic effect of leather with 3-D effect, greatly expand the potential added value of leather.
For achieving the above object, technical scheme of the present invention is:
A formation method for ox-hide bubble grain, comprises the steps:
1, a formation method for ox-hide bubble grain, is characterized in that comprising the steps:
1) blue skin is placed in rotary drum, adds the water of 35 DEG C, oxalic acid, sulfonated ester compound (model: PF; Production firm: German bright mirror company), rotate 120 minutes, then draining, wash, change water;
2) add the water of 30 DEG C, aliphatics polymerization aldehyde, rotates 15-30 minute, then with in alkali with 40 minutes, add vinylformic acid, grease rotates 30 minutes, then draining, wash, change water;
3) add the water of 25 DEG C, add vinylformic acid, synthetic tanning agent, dispersion tannin, wattle extract, quebracho extract, dyestuff rotate 60 minutes;
4) by after the saturating heart of dyeing, add trimeric cyanamide, Dyhard RU 100, wattle extract, quebracho extract, grease and bubble forming agent and rotate 60 minutes; Then the solid acid of stuffing, changes water;
5) add the water of 45 DEG C, add vinylformic acid, grease rotates 50 minutes, the then solid acid of stuffing, draining, wash, change water;
6) add the water of 65 DEG C, add oily wax fatting agent, rotate 30 minutes;
7) change water, cold water is washed, and goes out drum, takes horse, hold over night, and stretch, vacuum, extension dries in the air, dry, falls soft, toggling.
In described step 1), the weight ratio that adds of blue skin, water, oxalic acid and sulfonated ester compound is: 100:150:0.5:0.7.
Described step 2) in the add-on of water be 1 times of blue skin weight part; The add-on of aliphatics polymerization aldehyde is 2 times (model MS-1 production firms: Hong Linhua company) of blue skin weight part; Acrylic acid add-on is 2% of blue skin weight part; Grease add-on is the 1%(model of blue skin weight part: FA-78: production firm: Hong Linhua company); Described alkali adopts NaHCO
3, add-on is 1.2% of blue skin weight part.
In described step 3), the add-on of water is 1 times of blue skin weight part; Acrylic acid add-on is 2% of blue skin weight part; The add-on of synthetic tanning agent is the 3%(model of blue skin weight part: JHL; Production firm: Zhejiang is contained and converged); The add-on of dispersion tannin is the 0.5%(model of blue skin weight part: JM; Production firm: Zhejiang is contained and converged); The add-on of wattle extract is the 6%(model SRT of blue skin weight part; Production firm: SETA company); The add-on of quebracho extract is the 4%(model of blue skin weight part: ATO; Production firm: SETA company); The add-on of dyestuff is the 3%(model of blue skin weight part: WP; Production firm: that God in charge of the Earth department).
In described step 4), the add-on of trimeric cyanamide is the 3%(model of blue skin weight part: RT-DX; Production firm: Hong Linhua company), the add-on of Dyhard RU 100 is the 1.5%(model of blue skin weight part: RT-DA; Production firm: Hong Linhua company), the add-on of wattle extract is the 6%(model of blue skin weight part: SRT; Production firm: SETA company), the add-on of quebracho extract is the 4%(model of blue skin weight part: ATO; Production firm: SETA company), the add-on of grease is the 1.5%(model of blue skin weight part: AK; Production firm: Smit company); The add-on of bubble forming agent is the 5%(model of blue skin weight part: RT-NP; Production firm: Hong Linhua company); The add-on of fat is the 2%(model of blue skin weight part: Smit company of PolyolAK production firm).
In described step 5), the add-on of water is 1 times of blue skin weight part; Acrylic acid add-on is 2.5% of blue skin weight part; Grease add-on is the 2.5%(model 2.5NT of blue skin weight part; Production firm: Li Hou company); The add-on of fat is the 2%(model FA-78 of blue skin weight part, production firm: Hong Linhua company).
In described step 6), the add-on of water is 1 times of blue skin weight part; The add-on of oil wax fatting agent be blue skin weight part 3-5%(wherein 3/4ths amount adopt model to be SSW
#all the other amounts of 1/4th adopt model EXP; Production firm: be SALEM company of the U.S.).
The invention has the beneficial effects as follows: the present invention adds sulfonated ester compound at the blue skin retanning initial stage, be intended to blue skin process to obtain bright color, uniformity, significantly stretch neck line, open belly coarse groove, thus improve yield of leather.Then carry out aldehyde retanning, obtain the grain that bulky hand, consolidation are careful.Then neutralize, for filling below, stuffing, bubble are formed and create suitable infiltration and combining environmental.Adding vinylformic acid, trimeric cyanamide, Dyhard RU 100, synthetic tanning agent, is poor in order to improve position, improves leather fullness ratio.Add wattle extract, quebracho extract is to allow leather obtain good flexibility, being come out boldly, the leather of good springiness (low elongation).The inventive method retanning process does not adopt chrome retanned, greatly reduces chromium constituent content, is beneficial to environmental protection, reduces environmental protection treatment difficulty and cost, and relatively improves the environmental protection concept of leather, and guide consumption person's is relieved.Core of the present invention is to add bubble forming agent NP, and it is a kind of displaced type synthetic tanning agent, gives the grain that leather is careful, helps vegetable tanning agent rapid permeability and dispersion, obtains splendid fullness ratio and soft feel, obtains careful, warping strength grain simultaneously.Key is the effect by it, make the epidermis rule of grain to heaving in the air, form the pearl face effect of stereoscopic three-dimensional, look exactly like many beautiful bubble lifes on grain side of leather.So product of the present invention is bubble ox.After said process, add grease and oily wax fatting agent, vouchsafe the oil sense that leather is more greasy, but leather does not seem dry because of having added so much tannin extract and other tanning agent, and increase leather soft effect, and stronger tear-resistant and resistance to blasting effect.
Embodiment
Make a nearly step to enforcement of the present invention below to describe in detail.
Embodiment 1
A formation method for ox-hide bubble grain, comprises the steps:
1) blue skin is placed in rotary drum, adds the water of 35 DEG C, oxalic acid, sulfonated ester compound (model: PF; Production firm: German bright mirror company), rotate 120 minutes, then draining, wash, change water; The weight ratio that adds of described blue skin, water, oxalic acid and sulfonated ester compound is: 100:150:0.5:0.7.
2) add the water of 30 DEG C, aliphatics polymerization aldehyde, rotates 15-30 minute, then with in alkali with 40 minutes, add vinylformic acid, grease rotates 30 minutes, then draining, wash, change water; Wherein the add-on of water is 1 times of blue skin weight part; The add-on of aliphatics polymerization aldehyde is 2% of blue skin weight part; Acrylic acid add-on is 2% of blue skin weight part; Grease add-on is the 1%(model of blue skin weight part: FA-78: production firm: Hong Linhua company); Described alkali adopts NaHCO
3, add-on is 1.2% of blue skin weight part.
3) add the water of 25 DEG C, add vinylformic acid, synthetic tanning agent, dispersion tannin, wattle extract, quebracho extract, dyestuff rotate 60 minutes; Wherein the add-on of water is 1 times of blue skin weight part; Acrylic acid add-on is 2% of blue skin weight part; The add-on of synthetic tanning agent is the 3%(model of blue skin weight part: JHL; Production firm: Zhejiang is contained and converged); The add-on of dispersion tannin is the 0.5%(model of blue skin weight part: JM; Production firm: Zhejiang is contained and converged); The add-on of wattle extract is the 6%(model of blue skin weight part: SRT; Production firm: SETA company); The add-on of quebracho extract is the 4%(model of blue skin weight part: ATO; Production firm: SETA company); The add-on of dyestuff is the 3%(model of blue skin weight part: WP; Production firm: that God in charge of the Earth department).
4) add trimeric cyanamide, Dyhard RU 100, wattle extract, quebracho extract, grease and bubble forming agent and rotate 60 minutes; Then add the solid acid of fat (model PolyolAK, Smit company of production firm) of 2% of blue skin weight part, change water; Wherein the add-on of trimeric cyanamide is the 3%(model of blue skin weight part: RT-DX; Production firm: Hong Linhua company), the add-on of Dyhard RU 100 is the 1.5%(model of blue skin weight part: RT-DA; Production firm: Hong Linhua company), the add-on of wattle extract is the 6%(model of blue skin weight part: SRT; Production firm: SETA company), the add-on of quebracho extract is the 4%(model of blue skin weight part: ATO; Production firm: SETA company), the add-on of grease is the 1.5%(model of blue skin weight part: AK; Production firm: Smit company); The add-on of bubble forming agent is the 5%(model of blue skin weight part: RT-NP; Production firm: Hong Linhua company).
5) add the water of 45 DEG C, add vinylformic acid, grease rotates 50 minutes, then add the solid acid of fat (model FA-78, production firm: Hong Linhua company) of 2% of blue skin weight part, draining, wash, change water; Wherein the add-on of water is 1 times of blue skin weight part; Acrylic acid add-on is 2.5% of blue skin weight part; Grease add-on is the 2.5%(model 2.5NT of blue skin weight part; Production firm: Li Hou company).
6) add the water of 65 DEG C, oily wax fatting agent, rotate 30 minutes; Wherein the add-on of water is 1 times of blue skin weight part; The add-on of oil wax fatting agent be blue skin weight part 3-5%(wherein 3/4ths amount adopt model to be SSW
#all the other amounts of 1/4th adopt model EXP; Production firm: be SALEM company of the U.S.).
7) dry finishing process: comprise and change water, cold water is washed, and goes out drum, takes horse, scytoblastema hold over night, stretches, vacuum, hangs after drying in the air 48 hours, drying, water content about 10% receive skin bank up 4 hours after dress drum fall soft, when falling soft, rotary drum is not sprayed water, and temperature controls at about 60 DEG C.Fall after 2 hours and check, scytoblastema forms bubble; Visual feel situation proper extension falls the soft time, until go out drum.Then carry out toggling, then start by usual way operation, until finished product.
The present embodiment adds sulfonated ester compound at the blue skin retanning initial stage, is intended to blue skin process to obtain bright color, uniformity, significantly stretches neck line, opens belly coarse groove, thus improves yield of leather.Then carry out aldehyde retanning, obtain the grain that bulky hand, consolidation are careful.Then neutralize, for filling below, stuffing, bubble are formed and create suitable infiltration and combining environmental.Adding vinylformic acid, trimeric cyanamide, Dyhard RU 100, synthetic tanning agent, is poor in order to improve position, improves leather fullness ratio.Add wattle extract, quebracho extract is to allow leather obtain good flexibility, being come out boldly, the leather of good springiness (low elongation).The inventive method retanning process does not adopt chrome retanned, greatly reduces chromium constituent content, is beneficial to environmental protection, reduces environmental protection treatment difficulty and cost, and relatively improves the environmental protection concept of leather, and guide consumption person's is relieved.
Claims (2)
1. a formation method for ox-hide bubble grain, is characterized in that comprising the steps:
1) blue skin is placed in rotary drum, add the water of 35 DEG C, oxalic acid, sulfonated ester compound, the weight ratio that adds of blue skin, water, oxalic acid and sulfonated ester compound is 100:150:0.5:0.7, rotates 120 minutes, then draining, washes, changes water; Wherein, the model that sulfonated ester compound adopts German bright mirror company to produce is the sulfonated ester compound of PF;
2) add the water of 30 DEG C, aliphatics polymerization aldehyde, rotates 15-30 minute, then with in alkali with 40 minutes, add vinylformic acid, grease rotates 30 minutes, then draining, wash, change water; Wherein, the add-on of water is 1 times of blue skin weight part; The add-on of aliphatics polymerization aldehyde is 2 times of blue skin weight part; Acrylic acid add-on is 2% of blue skin weight part; Grease add-on is 1% of blue skin weight part; Described alkali adopts NaHCO
3, add-on is 1.2% of blue skin weight part;
3) add the water of 25 DEG C, add vinylformic acid, synthetic tanning agent, dispersion tannin, wattle extract, quebracho extract, dyestuff rotate 60 minutes; Wherein, the add-on of water is 1 times of blue skin weight part; Acrylic acid add-on is 2% of blue skin weight part; The add-on of synthetic tanning agent is 3% of blue skin weight part; The add-on of dispersion tannin is 0.5% of blue skin weight part; The add-on of wattle extract is 6% of blue skin weight part; The add-on of quebracho extract is 4% of blue skin weight part; The add-on of dyestuff is 3% of blue skin weight part;
4) by after the saturating heart of dyeing, add trimeric cyanamide, Dyhard RU 100, wattle extract, quebracho extract, grease and bubble forming agent and rotate 60 minutes; Then the solid acid of stuffing, changes water; Wherein, the model that bubble forming agent adopts Hong Linhua company to produce is the bubble forming agent of RT-NP; Wherein, that to be blue 3% of skin weight part, the add-on of Dyhard RU 100 be the add-on of trimeric cyanamide is blue 1.5% of skin weight part, that to be blue 6% of skin weight part, the add-on of quebracho extract be the add-on of wattle extract is blue 4% of skin weight part, the add-on of grease is 1.5% of blue skin weight part; The add-on of bubble forming agent is 5% of blue skin weight part;
5) add the water of 45 DEG C, add vinylformic acid, grease rotates 50 minutes, the then solid acid of stuffing, draining, wash, change water; Wherein, the add-on of water is 1 times of blue skin weight part; Acrylic acid add-on is 2.5% of blue skin weight part; Grease add-on is 2.5% of blue skin weight part;
6) add the water of 65 DEG C, add oily wax fatting agent, rotate 30 minutes;
7) change water, cold water is washed, and goes out drum, takes horse, hold over night, and stretch, vacuum, extension dries in the air, dry, falls soft, toggling.
2. the formation method of a kind of ox-hide bubble grain as claimed in claim 1, is characterized in that: described step 6) in the add-on of water be 1 times of blue skin weight part; The add-on of oil wax fatting agent is the 3-5% of blue skin weight part.
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| CN201210150934.4A CN102703624B (en) | 2012-05-16 | 2012-05-16 | Method for forming pebble-grain surface of cowhide leather |
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| CN201210150934.4A CN102703624B (en) | 2012-05-16 | 2012-05-16 | Method for forming pebble-grain surface of cowhide leather |
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| CN102703624B true CN102703624B (en) | 2015-02-18 |
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| US4822373A (en) * | 1988-03-11 | 1989-04-18 | Minnesota Mining And Manufacturing Company | Process for providing polyamide materials with stain resistance with sulfonated novolak resin and polymethacrylic acd |
| US5820633A (en) * | 1996-09-20 | 1998-10-13 | Lesko; Patricia Marie | Method of treating leather with improved retaining agents |
| GB2394229A (en) * | 2002-10-18 | 2004-04-21 | Rhodia Consumer Specialities L | Leather tanning |
| KR101048797B1 (en) * | 2008-09-03 | 2011-07-15 | 주식회사 해성아이다 | Natural leather processing method |
| CN101798605B (en) * | 2010-03-16 | 2012-10-31 | 浙江通天星集团股份有限公司 | Energy saving and emission reduction method for retanning and dyeing high-strength split from cattle hide for furniture |
| CN102168153B (en) * | 2011-03-28 | 2013-06-19 | 杭州奇达皮革有限公司 | Processing method of seawater-proof vamp leather |
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