CN105648122B - Cunning sub- skin amphimixis tanning agent process for tanning - Google Patents

Cunning sub- skin amphimixis tanning agent process for tanning Download PDF

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Publication number
CN105648122B
CN105648122B CN201610050693.4A CN201610050693A CN105648122B CN 105648122 B CN105648122 B CN 105648122B CN 201610050693 A CN201610050693 A CN 201610050693A CN 105648122 B CN105648122 B CN 105648122B
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tanning
skin
agent
dermatotome
pond
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CN105648122A (en
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马丽萍
马兴刚
马明军
马廉锋
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QINGTONGXIA CITY XINGTAI fur Co Ltd
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QINGTONGXIA CITY XINGTAI fur Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C1/00—Chemical treatment prior to tanning
    • C14C1/08—Deliming; Bating; Pickling; Degreasing
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/08—Chemical tanning by organic agents
    • C14C3/10—Vegetable tanning
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/28—Multi-step processes
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/30—Chemical tanning using physical means combined with chemical means
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C5/00—Degreasing leather

Abstract

A kind of cunning sub- skin amphimixis tanning agent process for tanning is made up of preparatory process, tanning processes and arranging process；Preparatory process, it is by cunning sub- raw material soft and soggyization of collection, raw material skin is returned to the state of fresh hide, and removes unnecessary composition between raw material skin dermatotome fiber；Tanning processes, including first tanning and main tanning, tanning at the beginning of tanning processes mainly complete the filling of leather using the characteristic that vegetable tanning agent molecule is big, fillibility is strong, good-extensibility, stereochemical structure are stable；Tanning processes first with the small low concentration vegetable tan liquor tanning of convergence, after the Collagen fiber of pelt is tentatively fixed, is gradually completing the infiltration filling of owse, ensures that tannin is gradually permeated to pelt, and combined with collagen；Arranging process, including stuffing, the shaping that gets damp again, scrape soft dermatotome and whole hair.Using the cunning sub- skin dermatotome thin and thick position difference of tanning of the present invention is small, plate matter is plentiful, pile is fine and smooth, the bending of Mao Suicheng tufts can match in excellence or beauty certainly but rich in fabulous gloss with the fur of beach two.

Description

Cunning sub- skin amphimixis tanning agent process for tanning
Technical field：
The present invention relates to animal hide relevant tanning process technical field, more particularly to a kind of cunning sub- skin amphimixis tanning agent Process for tanning.
Background technology：
The cunning sub- dermatotome in Ningxia is thin, under hair is few and pin hair is abundant and fibre structure is tight, filling is difficult, typically utilizes traditional tanning Easily depilation drift sand, the technology that burr is sent out withered, dermatotome hardens, fibre structure is tight, filling is difficult be present and ask in the cunning sub- skin that technique tan goes out Topic, at the same technique in itself caused by product, environmental pollution it is big, precious resource cannot get effective exploitation always.
As people constantly increase to the concern of environmental protection, it will cause vegetable tanning agent to turn into process hides, Qiu works processed once again Skill is happy to a kind of tanning agent used, and vegetable tanned leather will also possess the status that it once had in the past in world's curriery again, this It is due to that vegetable tanning agent is by based on the natural resources that can regenerate；Although the however, leather of alone vegetable tanning agent tanning Fillibility is good, dermatotome consolidation and matte are uniform, but the leather dermatotome through this tanning agent tanning hardens, surface is rougher, shrinkage temperature It is low, so not being used typically.Both sexes syntans has the low not easy oxidation discoloration of small molecule, good penetrability, convergence, tanning The advantages that leather surface is fine and smooth, soft, good-extensibility, but for fibre density it is big, containing the low cunning sub- skin of grease, as lamb, west The skin kind such as road goat is difficult effectively to fill.At present, such leather process for tanning is with traditional formaldehyde, chrome tanning agent, chrome and aluminium tanning agent Etc. tan is combined, it is heavier to typically result in air soil pollution.
The content of the invention：
In view of this, it is necessary to which a kind of cunning sub- skin amphimixis tanning agent process for tanning is provided.
A kind of cunning sub- skin amphimixis tanning agent process for tanning, cunning sub- skin amphimixis tanning agent process for tanning by preparatory process, Tanning processes and arranging process composition；
Preparatory process is by cunning sub- raw material soft and soggyization of collection, raw material skin is returned to the state of fresh hide, and remove raw material Unnecessary composition between skin dermatotome fiber, unnecessary composition includes hypodermis, sarolemma, protein between dermatotome fiber；Preparatory process Concretely comprise the following steps：
Pond drum combines immersion, and the raw material skin of collection is put into soak vat, makes the abundant backwater of raw material skin, returns to fresh hide Nature, raw material skin is softened, remove blood stains, foul and preservative on raw material skin, remove a part of interfibrillar substance, weaken Hypodermis；Immersion is carried out in paddle-tumble, rotary drum and pond, is carried out by counterflow principle during immersion；Raw material is removed by washing Salt, dirt and the blood in epidermis face, and temperature is controlled, dissolve the salt in raw material skin, while some auxiliary agents, such as table can also be added Face activating agent, bactericide etc., the immersion of salt brined hide is set to obtain more preferable effect；Carried out during immersion by counterflow principle, Chi Yuchi, pond Quality of soaking all is determined with drum, drum and drum owse concentration increase and decrease gradient, and velocity of rotation, rotation time；
Fleshing, epidermal tissue's hardship meat, the fat on dermatotome surface are removed using fleshing machine, 2g/L is added into degreasing millpond Degreasing agent TL-80, temperature control is 38 degrees Celsius to 42 degrees Celsius in pond, and the dermatotome after fleshing is put into pond, is carried out Degreasing, degreasing time are 30 minutes to 35 minutes.
Softening, pickling, the dermatotome after degreasing is subjected to enzyme bating, enzyme BRH0.5-1.0g/L is added into softening millpond, Temperature control in pond is 30 degrees Celsius to 36 degrees Celsius, and the enzyme bating time is 24 hours to 30 hours, is carried out after enzyme bating Pickling procedure, it is PH2.5-3.5 by the acidity adjustment of the water of pickling millpond, then carries out pickling procedure, the pickling time is 24 Hour, pickling procedure can carry out hide fiber, and tanning material is readily put into 30 hours, thus the softness that manufactured dermatotome compares is thin Cause；
After the completion of softening, pickling procedure, into tanning processes, tanning processes include first tanning and main tanning, tanning processes At the beginning of mainly completing the filling of leather using the characteristic that vegetable tanning agent molecule is big, fillibility is strong, good-extensibility, stereochemical structure are stable Tanning, if with the direct tanning pelt of high concentration vegetable tan liquor, pelt syneresis can be caused, dead tan occurs, closely caused follow-up Both sexes syntans can not be carried out；Therefore it is preliminary in the Collagen fiber of pelt first with the small low concentration vegetable tan liquor tanning of convergence After being fixed, the infiltration filling of owse is gradually completing, it is ensured that tannin is gradually permeated to pelt, and is combined with collagen.
Salt 25g/L, glauber salt 40g/L, sulfuric acid 1g/L, wetting agent HAC1.0g/L, plant are added into first tanning millpond Tanning agent 0.5-1.0g/L and vegetable tanning agent FNL1.0-1.5g/L, the control in pond are 30 degrees Celsius to 34 degrees Celsius of temperature, water The pH value control of solution is 3.5-4.0 in pond, and dermatotome is placed in pond and carries out just tanning, and first tanning time is 12 hours to 15 Hour；
After first tanning terminates, into main tanning processes, main tanning uses the main tan of both sexes syntans, and the purpose of main tan is exactly Using both sexes syntans molecule is small, convergence is good, good penetrability, stability are good and the tanning advantage of tanning soft texture, The unfilled Inter-fiber voids filling of vegetable tanning agent macromolecular is perfect, while the unnecessary tan of vegetable tanned leather interior surface layers is gone in stripping Matter and non-tannis, prevent occurring the problem of asperities and broken face during drying and arrangement.
Added into main tanning millpond salt 25g/L, glauber salt 40g/L, sulfuric acid 0.5g/L, auxiliary tanning agent 0.5-0.8g/L, Both sexes syntans FG0.5-1.0g/L, fatting agent FLH1.0-1.5g/L, the temperature control in pond are taken the photograph for 38 degrees Celsius to 40 Family name's degree, the pH value control in pond is 4.5 to 6.0, and the time of main tanning is 24 hours to 30 hours；
After main tanning processes terminate, into rinsing process, degreasing 2g/L and hydrogen peroxide 2g/L is added into rinsing water pond, Temperature control in pond is 38 degrees Celsius to 42 degrees Celsius, and rinsing time is 0.5 hour, and wherein degreasing agent is degreasing agent JA- 50；
Rinsing carries out the neutralization of dermatotome after terminating, except the free acid in the dermatotome that dries, weaken the too strong negative electricity of dermatotome leather surface Lotus, prevent retanning, dyeing, the anionic materials used in emulsion oil-filling combine in leather surface from causing very much not military infiltration soon.
Sodium formate 2-4g/L, degreasing agent 2g/L and sulfuric acid 0.5g/L are added in millpond to neutralizing, the temperature control in pond 30 degrees Celsius are made as, it is 3 hours to neutralize the time, and degreasing agent selects degreasing agent JA-50；
After the completion of neutralization step, into arranging process, arranging process comprises the following steps：
Stuffing, the original impurity work in-process in hide surface is removed, protected in order that forming fat film around hide fiber Sheath, improve the flexibility of skin, stretch tropism and intensity, carry out stuffing；
Moisture regain, the dried cunning sub- skin of stuffing, dermatotome is very hard, soft for the ease of scraping, it is necessary to suitably sprayed water in inner face, this One process referred to as " gets damp again " process；
Scrape soft, the fur after moisture regain is subjected to fleshing on Machine for treating leather surface, extends hide fiber, area expands, and dermatotome becomes soft It is soft；
Shaping and whole hair, in order that scrape it is soft after dermatotome it is smooth, it is necessary to carry out shaping, hair side is followed closely downwards on plank, Dried in the shade, avoid solar exposure, polished face with float stone or sand paper after fully drying in the shade, deburring is then removed from nail-plate, then With comb carding, if broken skin should sew it up.
The main tanning agent of two classes tanning in completely different process route is applied to a kind of leather and filled by the present invention simultaneously In tanning, form mutually complementation, dissolve each other；It is big using vegetable tanning agent molecule in the pre-tanning that vegetable tanning agent carries out 12-15 hours Occupy-place support can be played a part of, it is preliminary to realize " partly " interfibrous to dermatotome filling extension.The whole process for tanning of the present invention In force, product in itself, technological process realize clean manufacturing.
The cunning sub- skin process for tanning formula that vegetable tanning agent, the both sexes syntans of the present invention is combined, the basis in tanning Vegetable tanning agent molecule is big, fillibility is strong, good-extensibility, stereochemical structure are stable but dermatotome owes soft, surface is coarse, shrinkage temperature is low And can not complete independently tanning well characteristic, vegetable tanning agent is mainly coordinated using degreasing agent, auxiliary tanning agent, wetting agent etc. first Carry out the first tan of 12-15 hours, tentatively realize that the filling to fiber extends, then using both sexes syntans molecule it is small, restrain Property permeability stability is good and the tanning advantage of tanning soft texture, using fatting agent, sulfuric acid, soda ash, the agent of shield hair, hydrogen peroxide Deng the main tan for assisting both sexes syntans to carry out 24-36 hours, so as to reach fabulous filling tanning purpose.Through this technique tan System cunning sub- skin dermatotome thin and thick position difference it is small, plate matter is plentiful, pile is fine and smooth, Mao Suicheng tufts bending from however rich in fabulous light Pool, it can be matched in excellence or beauty with the fur of beach two.
Embodiment：
The present invention for cunning sub- skin dermatotome is thin, under hair is few and the problems such as pin hair is abundant and fibre structure tightly fills difficulty, carry Two kinds of embodiments are supplied.
Embodiment one, cunning sub- skin amphimixis tanning agent process for tanning is by preparatory process, tanning processes and arranging process group Into；
Preparatory process is by cunning sub- raw material soft and soggyization of collection, raw material skin is returned to the state of fresh hide, and remove raw material Unnecessary composition between skin dermatotome fiber, unnecessary composition includes hypodermis, sarolemma, protein between dermatotome fiber；Preparatory process Concretely comprise the following steps：
Pond drum combines immersion, and the raw material skin of collection is put into soak vat, makes the abundant backwater of raw material skin, returns to fresh hide Nature, raw material skin is softened, remove blood stains, foul and preservative on raw material skin, remove a part of interfibrillar substance, weaken Hypodermis；Immersion is carried out in paddle-tumble, rotary drum and pond, is carried out by counterflow principle during immersion；Raw material is removed by washing Salt, dirt and the blood in epidermis face, and temperature is controlled, dissolve the salt in raw material skin, while some auxiliary agents, such as table can also be added Face activating agent, bactericide etc., the immersion of salt brined hide is set to obtain more preferable effect；Carried out during immersion by counterflow principle, Chi Yuchi, pond Quality of soaking all is determined with drum, drum and drum owse concentration increase and decrease gradient, and velocity of rotation, rotation time；
Fleshing, epidermal tissue's hardship meat, the fat on dermatotome surface are removed using fleshing machine, 2g/L is added into degreasing millpond Degreasing agent TL-80, temperature control is 38 degrees Celsius in pond, and the dermatotome after fleshing is put into pond, carries out degreasing, during degreasing Between be 30 minutes.
Softening, pickling, the dermatotome after degreasing is subjected to enzyme bating, enzyme BRH0.5-1.0g/L is added into softening millpond, Temperature control in pond is 30 degrees Celsius, and the enzyme bating time is 24 hours, pickling procedure is carried out after enzyme bating, by pickling water The acidity adjustment of the water in pond is PH2.5-3.5, then carries out pickling procedure, and the pickling time is 24 hours, and pickling procedure can make skin Fiber is carried out, and tanning material is readily put into, thus manufactured dermatotome compare it is soft careful；
After the completion of softening, pickling procedure, into tanning processes, tanning processes include first tanning and main tanning, tanning processes At the beginning of mainly completing the filling of leather using the characteristic that vegetable tanning agent molecule is big, fillibility is strong, good-extensibility, stereochemical structure are stable Tanning, if with the direct tanning pelt of high concentration vegetable tan liquor, pelt syneresis can be caused, dead tan occurs, closely caused follow-up Both sexes syntans can not be carried out；Therefore it is preliminary in the Collagen fiber of pelt first with the small low concentration vegetable tan liquor tanning of convergence After being fixed, the infiltration filling of owse is gradually completing, it is ensured that tannin is gradually permeated to pelt, and is combined with collagen.
Salt 25g/L, glauber salt 40g/L, sulfuric acid 1g/L, wetting agent HAC1.0g/L, plant are added into first tanning millpond Tanning agent 0.5g/L and vegetable tanning agent FNL 1.0g/L, the control in pond are 30 degrees Celsius of temperature, the pH value control of solution in pond 3.5-4.0 is made as, dermatotome is placed in pond and carries out just tanning, first tanning time is 12 hours, wherein vegetable tanning agent used For vegetable tanning agent 704；
The test stone of first tanning is：Can tanning agent crosslink well with skin, is arranged by collagenous amino acid molecule Row, the distance of the distance of protein adjacent molecule interchain active group and the active group in tannin molecule, bulk of molecule, The influence of each side factor such as space arrangement, therefore grab and pinch dermatotome and check that its gas permeability can know just tan degree.
After first tanning terminates, into main tanning processes, main tanning uses the main tan of both sexes syntans, and the purpose of main tan is exactly Using both sexes syntans molecule is small, convergence is good, good penetrability, stability are good and the tanning advantage of tanning soft texture, The unfilled Inter-fiber voids filling of vegetable tanning agent macromolecular is perfect, while the unnecessary tan of vegetable tanned leather interior surface layers is gone in stripping Matter and non-tannis, prevent occurring the problem of asperities and broken face during drying and arrangement.
Salt 25g/L, glauber salt 40g/L, sulfuric acid 0.5g/L, auxiliary tanning agent 0.5/L, both sexes conjunction are added into main tanning millpond It is 38 degrees Celsius into the temperature control in tanning agent FG 0.5g/L, fatting agent FLH 1.0g/L, pond, the pH value control in pond For 4.5 to 6.0, the time of main tanning is 24 hours；
The test stone of main tanning is：Check whether that tanning is good, leaching skin can be taken out, dermatotome is outside, and lint inwardly changes Folding, in corner with most moisture is forced, fail to understand if white is repeatedly presented at folding, in tissue paper shape, it was demonstrated that tanning terminates.
After main tanning processes terminate, into rinsing process, degreasing 2g/L and hydrogen peroxide 2g/L is added into rinsing water pond, Temperature control in pond is 38 degrees Celsius, and rinsing time is 0.5 hour, and wherein degreasing agent is degreasing agent JA-50；
Rinsing carries out the neutralization of dermatotome after terminating, except the free acid in the dermatotome that dries, weaken the too strong negative electricity of dermatotome leather surface Lotus, prevent retanning, dyeing, the anionic materials used in emulsion oil-filling combine in leather surface from causing very much not military infiltration soon.
Sodium formate 2g/L, degreasing agent 2g/L and sulfuric acid 0.5g/L are added in millpond to neutralizing, the temperature control in pond For 30 degrees Celsius, it is 3 hours to neutralize the time, and degreasing agent selects degreasing agent JA-50；
After the completion of neutralization step, into arranging process, arranging process comprises the following steps：
Stuffing, the original impurity work in-process in hide surface is removed, protected in order that forming fat film around hide fiber Sheath, improve the flexibility of skin, stretch tropism and intensity, carry out stuffing；
Moisture regain, the dried cunning sub- skin of stuffing, dermatotome is very hard, soft for the ease of scraping, it is necessary to suitably sprayed water in inner face, this One process referred to as " gets damp again " process；
Scrape soft, the fur after moisture regain is subjected to fleshing on Machine for treating leather surface, extends hide fiber, area expands, and dermatotome becomes soft It is soft；
Shaping and whole hair, in order that scrape it is soft after dermatotome it is smooth, it is necessary to carry out shaping, hair side is followed closely downwards on plank, Dried in the shade, avoid solar exposure, polished face with float stone or sand paper after fully drying in the shade, deburring is then removed from nail-plate, then With comb carding, if broken skin should sew it up.
Embodiment two, preparatory process concretely comprise the following steps：
Pond drum combines immersion, and the raw material skin of collection is put into soak vat, makes the abundant backwater of raw material skin, returns to fresh hide Nature, raw material skin is softened, remove blood stains, foul and preservative on raw material skin, remove a part of interfibrillar substance, weaken Hypodermis；Immersion is carried out in paddle-tumble, rotary drum and pond, is carried out by counterflow principle during immersion；Raw material is removed by washing Salt, dirt and the blood in epidermis face, and temperature is controlled, dissolve the salt in raw material skin, while some auxiliary agents, such as table can also be added Face activating agent, bactericide etc., the immersion of salt brined hide is set to obtain more preferable effect；Carried out during immersion by counterflow principle, Chi Yuchi, pond Quality of soaking all is determined with drum, drum and drum owse concentration increase and decrease gradient, and velocity of rotation, rotation time；
Fleshing, epidermal tissue's hardship meat, the fat on dermatotome surface are removed using fleshing machine, 2g/L is added into degreasing millpond Degreasing agent TL-80, temperature control is 42 degrees Celsius in pond, and the dermatotome after fleshing is put into pond, carries out degreasing, during degreasing Between be 35 minutes.
Softening, pickling, the dermatotome after degreasing is subjected to enzyme bating, enzyme BRH1.0g/L, pond are added into softening millpond Interior temperature control is 36 degrees Celsius, and the enzyme bating time is 30 hours, pickling procedure is carried out after enzyme bating, by pickling millpond The acidity adjustment of water is PH2.5-3.5, then carries out pickling procedure, and the pickling time is 30 hours, and pickling procedure can make hide fiber Carry out, tanning material is readily put into, thus manufactured dermatotome compare it is soft careful；
After the completion of softening, pickling procedure, into tanning processes, tanning processes include first tanning and main tanning, tanning processes At the beginning of mainly completing the filling of leather using the characteristic that vegetable tanning agent molecule is big, fillibility is strong, good-extensibility, stereochemical structure are stable Tanning, if with the direct tanning pelt of high concentration vegetable tan liquor, pelt syneresis can be caused, dead tan occurs, closely caused follow-up Both sexes syntans can not be carried out；Therefore it is preliminary in the Collagen fiber of pelt first with the small low concentration vegetable tan liquor tanning of convergence After being fixed, the infiltration filling of owse is gradually completing, it is ensured that tannin is gradually permeated to pelt, and is combined with collagen.
Salt 25g/L, glauber salt 40g/L, sulfuric acid 1g/L, wetting agent HAC1.0g/L, plant are added into first tanning millpond Tanning agent 1.0g/L and vegetable tanning agent FNL1.5g/L, the control in pond is 34 degrees Celsius of temperature, the pH value control of solution in pond For 3.5-4.0, dermatotome is placed in pond and carries out just tanning, first tanning time is 15 hours；
After first tanning terminates, into main tanning processes, main tanning uses the main tan of both sexes syntans, and the purpose of main tan is exactly Using both sexes syntans molecule is small, convergence is good, good penetrability, stability are good and the tanning advantage of tanning soft texture, The unfilled Inter-fiber voids filling of vegetable tanning agent macromolecular is perfect, while the unnecessary tan of vegetable tanned leather interior surface layers is gone in stripping Matter and non-tannis, prevent occurring the problem of asperities and broken face during drying and arrangement.
Salt 25g/L, glauber salt 40g/L, sulfuric acid 0.5g/L, auxiliary tanning agent 0.8g/L, both sexes are added into main tanning millpond Syntans FG1.0g/L, fatting agent FLH1.5g/L, the temperature control in pond are 40 degrees Celsius, the pH value control in pond For 4.5 to 6.0, the time of main tanning is 30 hours；
After main tanning processes terminate, into rinsing process, degreasing 2g/L and hydrogen peroxide 2g/L is added into rinsing water pond, Temperature control in pond is 38 degrees Celsius to 42 degrees Celsius, and rinsing time is 0.5 hour, and wherein degreasing agent is degreasing agent JA- 50；
Rinsing carries out the neutralization of dermatotome after terminating, except the free acid in the dermatotome that dries, weaken the too strong negative electricity of dermatotome leather surface Lotus, prevent retanning, dyeing, the anionic materials used in emulsion oil-filling combine in leather surface from causing very much not military infiltration soon.
Sodium formate 4g/L, degreasing agent 2g/L and sulfuric acid 0.5g/L are added in millpond to neutralizing, the temperature control in pond For 30 degrees Celsius, it is 3 hours to neutralize the time, and degreasing agent selects degreasing agent JA-50；
After the completion of neutralization step, into arranging process, arranging process comprises the following steps：
Stuffing, the original impurity work in-process in hide surface is removed, protected in order that forming fat film around hide fiber Sheath, improve the flexibility of skin, stretch tropism and intensity, carry out stuffing；
Moisture regain, the dried cunning sub- skin of stuffing, dermatotome is very hard, soft for the ease of scraping, it is necessary to suitably sprayed water in inner face, this One process referred to as " gets damp again " process；
Scrape soft, the fur after moisture regain is subjected to fleshing on Machine for treating leather surface, extends hide fiber, area expands, and dermatotome becomes soft It is soft；
Shaping and whole hair, in order that scrape it is soft after dermatotome it is smooth, it is necessary to carry out shaping, hair side is followed closely downwards on plank, Dried in the shade, avoid solar exposure, polished face with float stone or sand paper after fully drying in the shade, deburring is then removed from nail-plate, then With comb carding, if broken skin should sew it up.
The cunning sub- skin process for tanning formula that vegetable tanning agent, both sexes syntans in present embodiment are combined, in tanning It is middle according to vegetable tanning agent molecule is big, fillibility is strong, good-extensibility, stereochemical structure are stable but dermatotome owes soft, surface is coarse, shrinks Temperature it is low and can not complete independently tanning well characteristic, mainly planted first using cooperations such as degreasing agent, auxiliary tanning agent, wetting agents Thing tanning agent carries out the first tan of 12-15 hours, tentatively realizes the filling extension to fiber, then utilizes both sexes syntans molecule Small, convergence permeability stability is good and the tanning advantage of tanning soft texture, using fatting agent, sulfuric acid, soda ash, shield hair Agent, hydrogen peroxide etc. assist the main tan that both sexes syntans is carried out 24-36 hours, so as to reach fabulous filling tanning purpose.Through The cunning sub- skin dermatotome thin and thick position difference of this technique tanning is small, plate matter is plentiful, pile is fine and smooth, the bending of Mao Suicheng tufts from however rich in pole Good gloss, can match in excellence or beauty with the fur of beach two.

Claims (5)

  1. A kind of 1. cunning sub- skin amphimixis tanning agent process for tanning, it is characterised in that：Cunning sub- skin amphimixis tanning agent process for tanning by Preparatory process, tanning processes and arranging process composition；
    Preparatory process, it is by cunning sub- raw material soft and soggyization of collection, raw material skin is returned to the state of fresh hide, and remove raw material skin skin Unnecessary composition between plate fiber；
    Tanning processes, including first tanning and main tanning, tanning processes are mainly using vegetable tanning agent molecule is big, fillibility is strong, extension Property the stable characteristic of good, stereochemical structure complete the filling of leather just tanning；Tanning processes first use vegetable tan liquor tanning, to first tanning Added in millpond salt 25g/L, glauber salt 40g/L, sulfuric acid 1g/L, wetting agent HAC1.0g/L, vegetable tanning agent 0.5-1.0g/L and Vegetable tanning agent FNL1.0-1.5g/L, the control in pond are 30 degrees Celsius to 34 degrees Celsius of temperature, the pH value control of solution in pond 3.5-4.0 is made as, dermatotome is placed in pond and carries out just tanning, first tanning time is 12 hours to 15 hours；Main tanning uses The main tan of both sexes syntans, salt 25g/L, glauber salt 40g/L, sulfuric acid 0.5g/L, auxiliary tanning agent 0.5- are added in main tanning millpond 0.8g/L, both sexes syntans FG 0.5-1.0g/L, fatting agent FLH 1.0-1.5g/L, the temperature control in pond are taken the photograph for 38 For family name's degree to 40 degrees Celsius, the pH value control in pond is 4.5 to 6.0, and the time of main tanning is 24 hours to 30 hours；In pelt After Collagen fiber is tentatively fixed, the infiltration filling of owse is gradually completing, ensures that tannin is gradually permeated to pelt, and and skin Collagen combines；
    Arranging process, including stuffing, the shaping that gets damp again, scrape soft dermatotome and whole hair.
  2. 2. cunning sub- skin amphimixis tanning agent process for tanning as claimed in claim 1, it is characterised in that：The specific step of preparatory process Suddenly it is：
    Pond drum combines immersion, and the raw material skin of collection is put into soak vat, makes the abundant backwater of raw material skin, returns to the nature of fresh hide State, raw material skin is softened, remove blood stains, foul and preservative on raw material skin, remove a part of interfibrillar substance, weaken subcutaneous Tissue；Immersion is carried out in paddle-tumble, rotary drum and pond, is carried out by counterflow principle during immersion；Raw material epidermis is removed by washing Salt, dirt and the blood in face, and temperature is controlled, the salt in raw material skin is dissolved, while auxiliary agent is added into soak vat, make salt brined hide Immersion obtain more preferable effect；
    Fleshing, epidermal tissue's hardship meat, the fat on dermatotome surface are removed using fleshing machine, 2g/L degreasings are added into degreasing millpond Agent TL-80, temperature control is 38 degrees Celsius to 42 degrees Celsius in pond, and the dermatotome after fleshing is put into pond, carries out degreasing, Degreasing time is 30 minutes to 35 minutes；
    Softening, pickling, the dermatotome after degreasing is subjected to enzyme bating, enzyme BRH0.5-1.0g/L, pond are added into softening millpond Interior temperature control is 30 degrees Celsius to 36 degrees Celsius, and the enzyme bating time is 24 hours to 30 hours, and pickling is carried out after enzyme bating Process, it is PH2.5-3.5 by the acidity adjustment of the water of pickling millpond, then carries out pickling procedure, the pickling time is 24 hours To 30 hours.
  3. 3. cunning sub- skin amphimixis tanning agent process for tanning as claimed in claim 2, it is characterised in that：That is added in soak vat helps Agent is surfactant or bactericide.
  4. 4. cunning sub- skin amphimixis tanning agent process for tanning as claimed in claim 1, it is characterised in that：Main tanning processes terminate Afterwards, into rinsing process, degreasing agent 2g/L and hydrogen peroxide 2g/L is added into rinsing water pond, the temperature control in pond is 38 Degree Celsius to 42 degrees Celsius, rinsing time is 0.5 hour, and wherein degreasing agent is degreasing agent JA-50；
    Rinsing carries out the neutralization of dermatotome after terminating, except the free acid in the dermatotome that dries, weaken the too strong negative charge of dermatotome leather surface, prevent Only retanning, dyeing, the anionic materials used in emulsion oil-filling combine in leather surface causes very much uneven infiltration soon；
    Sodium formate 2-4g/L, degreasing agent 2g/L and sulfuric acid 0.5g/L are added in millpond to neutralizing, the temperature control in pond is 30 degrees Celsius, it is 3 hours to neutralize the time, and degreasing agent selects degreasing agent JA-50；After the completion of neutralization step, into arranging process.
  5. 5. cunning sub- skin amphimixis tanning agent process for tanning as claimed in claim 1, it is characterised in that：Stuffing in arranging process It is to remove the original impurity work in-process in hide surface, in order that forming fat film protective layer around hide fiber, improves skin Flexibility, stretch tropism and intensity, carry out stuffing；
    Moisture regain, the dried cunning sub- skin of stuffing, dermatotome is very hard, soft for the ease of scraping, it is necessary to suitably sprayed water in inner face, this Process referred to as " gets damp again " process；
    Scrape soft, the fur after moisture regain is subjected to fleshing on Machine for treating leather surface, extends hide fiber, area expands, and dermatotome limbers up；
    Shaping and whole hair, in order that scrape it is soft after dermatotome it is smooth, it is necessary to carry out shaping, hair side is followed closely downwards on plank, carried out Dry in the shade, avoid solar exposure, polished face with float stone or sand paper after fully drying in the shade, then remove deburring from nail-plate, then with comb Sub- carding.
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CN106086253B (en) * 2016-06-12 2017-12-29 桐乡市恒球皮草制品有限公司 A kind of aluminum tanning standard mink skin sprays bleaching process
CN106399598A (en) * 2016-06-24 2017-02-15 安徽创荣服装辅料有限公司 Method for manufacturing vegetable-tanned cattle apron leather
CN109628664A (en) * 2018-12-20 2019-04-16 青岛康大食品有限公司 A kind of processing method and application thereof of rabbit tail
CN109627376B (en) * 2019-01-14 2021-02-05 嘉兴学院 Amphoteric polymer auxiliary agent, preparation method and application thereof
CN112680551B (en) * 2020-12-23 2022-06-10 山东丰泽源皮革有限公司 Leather material and preparation method and application thereof
CN113718067A (en) * 2021-09-06 2021-11-30 广州施华科技有限公司 Novel Ecotan leather tanning process
CN114525369A (en) * 2022-02-10 2022-05-24 桐乡市鑫诺皮草有限公司 Fur needle-removing process

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