CN104264517A - Bicolored dyeing method for rabbit fur - Google Patents
Bicolored dyeing method for rabbit fur Download PDFInfo
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- CN104264517A CN104264517A CN201410537409.7A CN201410537409A CN104264517A CN 104264517 A CN104264517 A CN 104264517A CN 201410537409 A CN201410537409 A CN 201410537409A CN 104264517 A CN104264517 A CN 104264517A
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Abstract
The invention belongs to the field of an animal fur processing method, and particularly relates to a bicolored dyeing method for rabbit fur. The bicolored dyeing method for the rabbit fur comprises the steps as follows: (1), the rabbit fur which is not dyed is preprocessed; (2), dyeing: the preprocessed rabbit fur is dyed by solid fluorescent dye as fur tip dye, and then one bath dyeing is performed and top snow dye is added for dyeing; and (3), a discoloration liquid prepared by a chemical discoloration agent is adopted for performing fur tip discoloration processing on the dyed rabbit fur, wherein the solid fluorescent dye is anthraquinone type sulfonic acid sodium salt, the main component of the solid fluorescent dye is sulfonic acid sodium salt, and the content of sulfonic acid sodium salt accounts for 10%-30% of the total quantity of the solid fluorescent dye. According to the bicolored dyeing method for rabbit fur, the discoloration is thorough, the bicolored effect is better, the color is natural after discoloration, the color is not changed after the fur is scalded, and the discolored tip part can be made into double colors after the color is discharged.
Description
Technical field
The invention belongs to a kind of processing method field of animal fur, specifically family's rabbit contaminates one mao of double-colored method.
Background technology
The rabbit place of production is wide, easily raises, and breeding is fast, and its skin stripping amount is large, fur under hair is abundant, smooth-going, flexibly glossy, pin hair is dense, cheap, its goods belong to low-grade product.By different dyeing and method for sorting, can increase the designs and varieties of a rabbit, improve product specification and added value, that widens a rabbit utilizes scope, can significantly improve the economic benefit of raising rabbit and processing man rabbit.The popular pattern of family's rabbit mainly contains frost, one mao of double-colored, one mao of three look, stamp etc. on monochrome, grass.
Wherein " one mao double-colored " refers to that the lower floor of fur and upper strata are two kinds of colors, and " on grass frost " effect is in fact fur upper strata is white " one mao double-colored " effect.The natural wild animal fur overwhelming majority is one mao of polychrome or gradient color, and some hairs have the look of more than 5 kinds colors to save from root to high-quality green tea." the one mao double-colored " effect made with family's rabbit, has under hair light color, hair pin is dark and under hair is dark, style in hair pin light color 2, requires different, need the process that employing is different according under hair look with the colour match of hair pin look.
" one mao double-colored " effect under hair light color, hair pin dark color: first contaminate background color by ACID DYES, after drying, again acid high-quality green tea dyestuff sprayed or brush in high-quality green tea layer, vapour steaming colour fixing, washing loose colour, drying arranges, and this method can produce the situation of the high-quality green tea color of sample requirement after being applicable to the color compatibility that under hair look and high-quality green tea dyestuff used have.
" one mao is double-colored " effect under hair dark color, hair pin light color:
Method 1-pulling color method
Fur by the dyestuff of pulling color and can not can be dyed color needed under hair by dyestuff compatibility white on the grass of pulling color by employing, high-quality green tea pulling color is carried out with pulling color agent after dry, at this moment high-quality green tea can be taken out by the dye colour of pulling color, remaining can not by the color of the dyestuff of pulling color.
Method 2-dawn high-quality green tea secondary decoration method
First dye the color of under hair requirement with the upper white dyestuff of grass, then by high-quality green tea dawn, then by high-quality green tea dyestuff brush or be sprayed in the high-quality green tea section of dawn, decatize is painted.This method is applicable to the situation that under hair look can not comprise high-quality green tea look, and such as require that under hair is large red, high-quality green tea is emerald green, and under hair is dark blue, and high-quality green tea is gorgeous Huang etc.
The fashion of current fur product is more and more stronger, and its popular pattern gets more and more.Along with the progressively expansion in fur market, the development of leather and fur chemical industry is perfect, product specification is climbed to a higher point step by step, designs and varieties emerge in an endless stream, and reach its maturity and lead the trend of fashionable life with the rag trade developed, provide infinite commercial opportunities to leather and fur processing industry, it is also proposed higher requirement simultaneously to leather and fur dyeing and finishing processing, leather and fur processing industry relies on the technological progress of leather and fur chemical industry to occupy more and more important position in the apparel industry of riot of color.Fur coat beautifies style characteristic and has higher requirement to fur dyeing technology.
But by the family's cony fur after original conventional method dyeing, because fur upper section has remaining ACID DYES after pulling color, make one mao of two-color effect not obvious.
Summary of the invention
The object of the present invention is to provide a kind of rabbit to contaminate one mao of double-colored technique, pulling color is thorough, and one mao of two-color effect is better, color nature after discharge, scalds nondiscolouring after hair, after color being taken out, also can make double-colored at the high-quality green tea position taking out color.
The object of the present invention is achieved like this, and family's rabbit contaminates one mao of double-colored method, specifically comprises the following steps: family's cony fur of no dyeing is carried out preliminary treatment by (1); (2) dye: first use solid fluorescence dyestuff as high-quality green tea dyeing to pretreated cony fur, add the upper white dyeing of grass with bath afterwards; (3) by main component be chemical pulling color agent pulling color liquid to dyeing after family's cony fur pull off the feather of point process;
Wherein said solid fluorescence dyestuff is the sulfonic group sodium salt of anthraquinone type, and its main component is sulfonic group sodium salt, and content is 10% ~ 30% of described solid fluorescence dyestuff total amount.
Compare in conventional method, reach " one mao double-colored " effect of under hair dark color, pin hair light color, or can not by the dyestuff of pulling color and can by after white dyestuff compatibility dyeing on the grass of pulling color, use the agent of physics pulling color to be pulled out by dyestuff white on the grass on high-quality green tea, remaining can not by the color of the dyestuff of pulling color; Or directly with the upper white dyeing of grass, afterwards again by high-quality green tea dawn, spray on high-quality green tea afterwards or brush high-quality green tea dyestuff.And " one mao double-colored " effect that is light under hair, pin hair dark color, directly use acid dyeing, then sprayed by acid high-quality green tea dyestuff or brush in high-quality green tea layer, fixation obtains.Primary colours after above-mentioned conventional method dyeing only have one, and the pulling color agent used is the agent of physics pulling color, its pulling color less effective, and often have remaining ACID DYES after pulling color above fur, the effect of " a mao double-colored " is bad.
Relative to above-mentioned prior art, the present invention adopts and first uses solid fluorescence dyestuff to dye as high-quality green tea dyestuff, and described solid fluorescence dyestuff is the sulfonic group sodium salt of anthraquinone type, is the one of ACID DYES, main component is sulfonic group sodium salt, and auxiliary element is the neutral salt such as glauber salt.Sulfonic group sodium salt proportion is larger, dye colour power part is higher, to contaminate color darker, general active ingredient is between 10% ~ 30%, the upper white dyeing of grass is added again afterwards with bath, finally re-use pulling color liquid to pull off the feather of point process to the family's cony fur after dyeing, the background color of family's cony fur like this after dyeing is the blend color of white dyestuff on high-quality green tea dyestuff and grass, makes the color of the family's cony fur after dyeing more gorgeous.And re-use chemical pulling color agent afterwards and to carry out pulling off the feather of point process, pulling color effect is more thorough, makes the difference between high-quality green tea and background color obvious, the better effects if of " a mao is double-colored ".This technique can make rabbit leatherware have gorgeous color, and fur more has third dimension, can improve the added value of a rabbit.And because pulling color process is relatively more thorough, two-color effect can also be made in the high-quality green tea position after pulling color.
Further, in step (2), the consumption of described high-quality green tea dyestuff is 0.5g/L ~ 5.0g/L, uses the time of described high-quality green tea dyeing to be 1.5-1.6 hour; On described grass, the consumption of white dyestuff is 0.5g/L ~ 6.0g/L, and adding the upper white dyestuff continuation dyeing time of grass is 1.5-1.6 hour; Temperature in described dyeing course is 70-75 DEG C.
Can add and subtract above-mentioned dye dosage according to specific circumstances to reach required Color, general dye dark colour dye dosage is large, and light colour dye dosage is little, can take the circumstances into consideration to add and subtract dye dosage according to actual conditions.
Further, in step (3), described pulling color liquid is equipped with formic acid by chemical pulling color agent and water is made; The mass ratio of wherein said chemical pulling color agent, formic acid and water is 2:1:40-2:1:60; Preferably, the mass ratio of described chemical pulling color agent, formic acid and water is 2:1:50-2:1:60.
Described chemical pulling color agent is the mixture of fragrant organic matter and stabilizing agent; Wherein active principle is sodium hydrosulfite; Described stabilizing agent is the mixture of potash and calcium carbonate;
The process of described epilation point specifically comprises: be first evenly sprayed on the fur after dyeing with described chemical pulling color agent, put into steam box afterwards, at 70-75 DEG C, steam 15-20 minute.
Further, described chemical pulling color agent be the calcium carbonate of 25-30 part, the mixture that forms of the sodium hydrosulfite of the sodium carbonate of 30-32 part and 40-45 part.
Further, in step (1), described preliminary treatment specifically comprises: first the family's cony fur chosen is carried out pre-tanning process, carry out retanning process more afterwards.
Further, described pre-tanning process specifically comprises: prepare pre-tanning agent at 30-40 DEG C, after 6-7 hour, regulates the pH value of described pre-tanning agent to 4.5-5, is dropped into by family's cony fur afterwards, soak 10-12 hour with sodium bicarbonate;
In described pre-tanning agent, main component comprises: salt, wetting agent, without aldehyde tanning agent, auxiliary tanning agent, wherein by weight, containing 30-40 gram of salt in every 1000 grams of described pre-tanning agents, 2-3 milligram wetting agent, 4-5 gram without aldehyde tanning agent, 2-3 gram of auxiliary tanning agent, remaining as water.
Further, described retanning is treated to: at 32-35 DEG C, prepare retanning agent, is 4.4-4.6, is warming up to 38-39 DEG C after 6-7 hour by sodium bicarbonate adjust ph, drops into and go out skin drying after family's cony fur of pre-tanning soaks 10-12 hour;
In described retanning agent, main component comprises: salt, wetting agent, chromium powder, auxiliary tanning agent; Wherein by weight, containing salt 30-40g, wetting agent 0.5-1 milligram, chromium powder 5-7 gram, auxiliary tanning agent 2-3 gram in every 1000 grams of described retanning agents, residual components is water.
Further, wherein said salt is salt or saltcake; Wetting agent is non-ionic surface active agent, and preferred described wetting agent is soap, sulfonated oil or soybean lecithin; Described is aluminium tanningagent or chrome tanning agent without aldehyde tanning agent, is preferably aluminium tanningagent in pre-tanning, is preferably chrome tanning agent in retanning system; Auxiliary tanning agent is preferably carboxylic acid sodium salt.
The pre-tanning agent used in the present invention is a kind of buffer in owse, can improve the effect of pre-tanning agent, makes pre-tanning agent in fur, have better infiltration and combination.
Further, after step (3), also comprise: dry arrangement, turns wooden chaff afterwards;
Described turn of wooden chaff is specially: add 200-250mL brightener in every 40-50 kilogram of wooden chaff, and the family's cony fur mixture made and tanning are disposed drops into treatment facility transfer and goes out skin in 4-5 hour.
Detailed description of the invention
Below by specific embodiment, the present invention is described in further detail, below in conjunction with embodiment, embodiment of the present invention are described in detail, but it will be understood to those of skill in the art that the following example only for illustration of the present invention, and should not be considered as limiting the scope of the invention.
Family's rabbit contaminates one mao of double-colored method, specifically comprises the following steps:
(1) family's cony fur of no dyeing is carried out preliminary treatment; Preliminary treatment specifically comprises: first the family's cony fur chosen is carried out pre-tanning process, carry out retanning process more afterwards.
Wherein, important before being also PROCESS FOR TREATMENT one of the selection of raw material skin, this is the basis of doing skin, and raw material cortex amount is good, and aft-loaded airfoil gets up just many smoothly.Run-bake-needle fault to be rejected when raw material skin is selected fall hair, have the fur that urine is yellow, have knot hair, dried-up hair, tortoise hair, the broken defect such as plate, rotten plate, select to meet that technique and user require, do not dye through hyperchromatic rabbit hide.
The physical and chemical process making rawhide become leather by tanning is crucial, if rawhide not tanning, dermatotome can without any intensity, resistance to physics, chemical property are poor, can not be long placed in, and lose its value, rawhide does not become the leather without value by tanning, and follow-up work cannot be carried out at all.So prerequisite must tanning.
Pre-tanning process specifically comprises: prepare tanning agent at 30-40 DEG C, after 6-7 hour, regulates the pH value of described pre-tanning agent to 4.5-5, is dropped into by family's cony fur afterwards, soak 10-12 hour with sodium bicarbonate.Preferably, preparation temperature can be any point value between 30 DEG C to 40 DEG C.Preferred adjust ph is 4.6-4.8, and soak time is preferably 11 hours.In pre-tanning agent, main component comprises: salt, wetting agent, without aldehyde tanning agent, auxiliary tanning agent, wherein by weight, containing 30-40 gram of salt in every 1000 grams of described pre-tanning agents, 2-3 milligram wetting agent, 4-5 gram without aldehyde tanning agent, 2-3 gram of auxiliary tanning agent, remaining as water.Preferably, the formula of pre-tanning agent is 33-37 gram of salt, 2.3-2.6 milligram wetting agent, 4.2-4.8 gram without aldehyde tanning agent, 2.4-2.9 gram of auxiliary tanning agent, remaining as water.
Wherein, can be aluminium tanningagent or chrome tanning agent without aldehyde tanning agent, be mainly aluminium tanningagent (comprising alum and aluminum sulfate) in pre-tanning, all exist with complex form in the aqueous solution.The central ion of aluminium complex is trivalent aluminium ion, is also 6 ligands and aluminium ion coordination, in regular octahedron structure around aluminium ion.The ionization carboxyl coordination of aluminium complex on collagen peptide bond is combined, and produce crosslinked action at peptide bond, but due to ligand and aluminum ions coordination power little, so not water-fastness, namely can produce tempering after washing, because aluminium complex molecule is little, crosslinking ability is little, so aluminum tanning skin stability is not high, shrinkage temperature is low.So will follow-up chrome retanned be carried out.
Auxiliary tanning agent is preferably carboxylic acid sodium salt, mainly has the alkaline matter improving pH value, and aluminium tanningagent is at pre-tanning pH in early stage probably about 2.8 ~ 3.0, and the pre-tanning later stage needs to bring up to pH5.0 ~ 5.2 with auxiliary tanning agent.In this pH situation aluminium tanningagent and collagen peptide bond resultant is maximum, the most firm, reach the optimum efficiency of aluminum tanning.
The pre-tanning of upper step makes dermatotome shrinkage temperature reach 65 ~ 70 DEG C, does not still reach the temperature required by dyeing, next carries out retanning and is also chrome tanning, makes dermatotome shrinkage temperature reach more than 90 DEG C, for lower step dyeing is laid the groundwork.
Retanning is treated to: at 32-35 DEG C, prepare retanning agent, is 4.4-4.6, is warming up to 38-39 DEG C after 6-7 hour by sodium bicarbonate adjust ph, drops into and go out skin drying after family's cony fur of tanning soaks 10-12 hour.In described retanning agent, main component comprises: salt, wetting agent, chromium powder, auxiliary tanning agent; Wherein by weight, containing salt 30-40g, wetting agent 0.5-1 milligram, chromium powder 5-7 gram, auxiliary tanning agent 2-3 gram in every 1000 grams of described retanning agents, residual components is water.
Chrome tanning agent: i.e. chromium powder, generally that chromic basic salt (each complex compound) generates crosslinked suturing with collagen peptide bond, namely form the reaction of two point and multiple spot combination, chrome tanning makes hide physical and chemical performance greatly improve, and shrinkage temperature reaches more than 90 DEG C.
In pre-tanning and retanning process, all the other compositions of use, such as salt: be conventional Soaking, immersion salt mainly contains salt, saltcake etc.Interfibrillar substance is dissolved in the effect of salt, destroys the secondary key between collagen peptide bond, and anti-bacteria is bred, and hair is fallen in minimizing and acid is swollen.Wetting agent: clear water is very little to there being the rawhide of grease to soak osmosis, and therefore hide backwater speed is slow.Wetting agent has wetting, infiltration, the multiple effects such as interfibrillar substance are dissolved in degreasing, decontamination, because accelerate immersion speed, degreasing, clean effect is remarkable, and easy to use, and substantially having no side effect to hair, is main hide backwater auxiliary agent.
(2) dye: first use solid fluorescence dyestuff as high-quality green tea dyeing to pretreated cony fur, add the upper white dyeing of grass with bath afterwards;
Dyeing is a complicated physics and chemistry process, comprises: the dye molecule 1. in dye liquor is close to fiber surface, diffusion; 2.: dyestuff is adsorbed by fur from solution; 3.: dyestuff spreads to wool fibre internal penetration; 4.: dyestuff is combined with wool fibre.This four step influences each other in dyeing, occur together, promote each other, and in a kind of dynamic equilibrium.By the condition of technique, the dyestuff in solution is finally made substantially to be absorbed by fiber and combine.High-quality green tea dyestuff, because of its structure influence, needs higher dyeing temperature (65 DEG C ~ 75 DEG C), has identical color, need higher dyeing temperature and longer dyeing time after making dyeing with wool fibres different on hide.During dyeing, be 20:1 with the mass ratio of water and hide, dye on this basis.
Wherein, high-quality green tea dyestuff is a kind of solid fluorescence dyestuff of more resistance to reductant, and the time using described high-quality green tea dyeing is 1.5-1.6 hour, and adding the upper white dyestuff continuation dyeing time of grass is 1.5-1.6 hour; Temperature in described dyeing course is 70-75 DEG C.The temperature of normal dyeing is 65 DEG C, and dyeing time is 2 hours.
(3) by main component be chemical pulling color agent pulling color liquid to dyeing after family's cony fur pull off the feather of point process.
The pulling color agent used in the present invention is a kind of mixture with reducibility fragrance organic matter and stabilizing agent, and its active ingredient is sodium hydrosulfite.Dawn, principle was the structure destroyed with reductant or oxidant in dye molecule, made dyestuff colour killing, and removed by washing or additive method.The method that the method uses is reduction dawn.
Described pulling color liquid is equipped with formic acid by chemical pulling color agent and water is made; The proportioning of wherein said chemical pulling color agent, formic acid and water is 2:1:40-2:1:60, and most preferably, the proportioning of formic acid and water is 2:1:50.If discharge reduction, pulling color agent and amount of formic acid must be made to raise, and the pulling color agent of excessive concentrations and formic acid can damage fur, and hypervolia then can dilute pulling color agent, affect pulling color effect, therefore water yield general control is advisable between 40 ~ 60; Pulling color agent is crossed that I haven't seen you for ages and is caused pulling color thorough, too much can damage fur; Formic acid is booster action, and in acid condition, the reduction pulling color effect of pulling color agent just can better embody effect, draws pulling color agent by experiment: formic acid=2:1 is optimal proportion, and formic acid is very few or too much all can affect reduction pulling color.
And formic acid for dyestuff pH about 3.0 time and fur binding ability the strongest, body lotion pH in early stage is higher in dyeing, and the later stage adjusts pH about 3.0 with formic acid, plays tint retention.The dyeing later stage adds formic acid fixation, pH value 3.0 when going out skin.
During preparation pulling color liquid, first with water, pulling color agent is fully melted, then add formic acid, stir, stand-by.
Pulling color method: to spray evenly for standard, spray gun preferably selects, and can select watering can when pulling color liquor ratio is less; Pulling color liquid is evenly sprayed above fur, treats that fur is slightly moistening, proceed to after steam box steams Preset Time and go out skin drying.
In the present invention, the process of epilation point specifically comprises: be first evenly sprayed on the fur after dyeing with described chemical pulling color agent, put into steam box afterwards, at 70-75 DEG C, steam 15-20 minute.Because chemical reaction needs suitable environment just can carry out, reduction pulling color is no exception, and through experimental results demonstrate that 70 DEG C ~ 75 DEG C are steamed 15 minutes for optimum response environment, the too low sluggish of temperature, time-consuming, the too high fur that can damage of temperature, causes the failure of an experiment; Time is less than 15 minutes, and then to reduce dawn thorough, affects double-colored making effect, and the time is oversize can damage fur, time-consuming.
Afterwards, also comprise: dry arrangement, turns wooden chaff afterwards; Described turn of wooden chaff is specially: add 200-250mL brightener in every 40-50 kilogram of wooden chaff and make brightener, and the family's cony fur described brightener made and tanning are disposed drops into treatment facility transfer and goes out skin in 4-5 hour.
Embodiment 1:
1) raw material skin is selected: reject run-bake-needle fault and fall hair, have the fur that urine is yellow, have knot hair, dried-up hair, tortoise hair, the broken defect such as plate, rotten plate, according to sample and customer requirement, select to meet that technique and user require, do not dye through hyperchromatic rabbit hide.
2) pre-tanning: prepare pre-tanning agent in 30 DEG C of paddle-tumble equipment, by weight, containing 30 grams of salt in every 1000 grams of described pre-tanning agents, 2 milligrams of sulfonated oils, 4 grams of aluminium tanningagents, 2 grams of auxiliary tanning agents, remaining as water; After 6 hours, by the pH value to 4.5 regulating described pre-tanning agent with sodium bicarbonate, afterwards family's cony fur is dropped into, soak 10 hours.
3) retanning: prepare retanning agent at temperature 32 DEG C, by weight, containing salt 30g, soybean lecithin 0.5 milligram, chromium powder 5 grams, auxiliary tanning agent 2 grams in every 1000 grams of described retanning agents, residual components is water; Be 4.5 by sodium bicarbonate adjust ph after 6 hours, be warming up to 38 DEG C, drop into and go out skin drying after family's cony fur of pre-tanning soaks 10 hours.
4) dye: keep water-bath dyeing paddle-tumble temperature to be 70 DEG C, first use solid fluorescence dyestuff as high-quality green tea dyeing 1.5 hours to pretreated cony fur, add the upper white dyeing of grass 1.5 hours with bath afterwards, go out skin and leave standstill.
5) epilation point: the pulling color liquid be mixed with chemical pulling color agent to dyeing after family's cony fur pull off the feather of point process.Pulling color liquid is equipped with formic acid by chemical pulling color agent and water is made; The proportioning of wherein chemical pulling color agent, formic acid and water is 2:1:40;
First evenly be sprayed on the fur after dyeing with the pulling color liquid prepared, put into steam box afterwards and steam 15 minutes with 70 DEG C
6) dry arrangement;
7) turn wooden chaff: be specially and add 200mL brightener in every 40 kilograms of wooden chaffs and make brightener, the family's cony fur mixture made and tanning are disposed drops into treatment facility transfer and goes out skin in 5 hours.
8) warehouse-in is arranged.
Embodiment 2:
1) raw material skin is selected: reject run-bake-needle fault and fall hair, have the fur that urine is yellow, have knot hair, dried-up hair, tortoise hair, the broken defect such as plate, rotten plate, according to sample and customer requirement, select to meet that technique and user require, do not dye through hyperchromatic rabbit hide.
2) pre-tanning: prepare pre-tanning agent in 40 DEG C of paddle-tumble equipment, by weight, containing 40 grams of saltcake in every 1000 grams of described pre-tanning agents, 3 milligrams of soap, 5 grams of aluminium tanningagents, 3 grams of auxiliary tanning agents, remaining as water; After 7 hours, by the pH value to 5 regulating described pre-tanning agent with sodium bicarbonate, afterwards family's cony fur is dropped into, soak 12 hours.
3) retanning: prepare retanning agent at temperature 35 DEG C, by weight, containing salt 40g, 1 milligram, soap, chromium powder 7 grams, auxiliary tanning agent 3 grams in every 1000 grams of described retanning agents, residual components is water; Be 5 by sodium bicarbonate adjust ph after 7 hours, be warming up to 39 DEG C, drop into and go out skin drying after family's cony fur of pre-tanning soaks 12 hours.
4) dye: keep water-bath dyeing paddle-tumble temperature to be 75 DEG C, first use solid fluorescence dyestuff as high-quality green tea dyeing 1.6 hours to pretreated cony fur, add the upper white dyeing of grass 1.6 hours with bath afterwards, go out skin and leave standstill.
5) epilation point: the pulling color liquid be mixed with chemical pulling color agent to dyeing after family's cony fur pull off the feather of point process.Pulling color liquid is equipped with formic acid by chemical pulling color agent and water is made; The proportioning of wherein chemical pulling color agent, formic acid and water is 2:1:60;
First evenly be sprayed on the fur after dyeing with the pulling color liquid prepared, put into steam box afterwards and steam 20 minutes with 75 DEG C
6) dry arrangement;
7) turn wooden chaff: be specially and add 250mL brightener in every 40 kilograms of wooden chaffs and make brightener, the family's cony fur mixture made and tanning are disposed drops into treatment facility transfer and goes out skin in 4 hours.
8) warehouse-in is arranged.
Embodiment 3:
1) raw material skin is selected: reject run-bake-needle fault and fall hair, have the fur that urine is yellow, have knot hair, dried-up hair, tortoise hair, the broken defect such as plate, rotten plate, according to sample and customer requirement, select to meet that technique and user require, do not dye through hyperchromatic rabbit hide.
2) pre-tanning: prepare pre-tanning agent in 35 DEG C of paddle-tumble equipment, by weight, containing 35 grams of saltcake in every 1000 grams of described pre-tanning agents, 2.6 milligrams of soap, 4.5 grams of chrome tanning agents, 2.5 grams of auxiliary tanning agents, remaining as water; After 6.5 hours, by the pH value to 4.8 regulating described pre-tanning agent with sodium bicarbonate, afterwards family's cony fur is dropped into, soak 11 hours.
3) retanning: prepare retanning agent at temperature 33 DEG C, by weight, containing salt 35g, soybean lecithin 0.7 milligram, chromium powder 6 grams, auxiliary tanning agent 2.5 grams in every 1000 grams of described retanning agents, residual components is water; Be 4.6 by sodium bicarbonate adjust ph after 6.5 hours, be warming up to 38.5 DEG C, drop into and go out skin drying after family's cony fur of tanning soaks 11 hours.
4) dye: keep water-bath dyeing paddle-tumble temperature to be 73 DEG C, first use solid fluorescence dyestuff as high-quality green tea dyeing 1.55 hours to pretreated cony fur, add the upper white dyeing of grass 1.52 hours with bath afterwards, go out skin and leave standstill.
5) epilation point: the pulling color liquid be mixed with chemical pulling color agent to dyeing after family's cony fur pull off the feather of point process.Pulling color liquid is equipped with formic acid by chemical pulling color agent and water is made; The mass ratio of wherein chemical pulling color agent, formic acid and water is 2:1:50;
First evenly be sprayed on the fur after dyeing with the pulling color liquid prepared, put into steam box afterwards and steam 18 minutes with 73 DEG C
6) dry arrangement;
7) turn wooden chaff: be specially and add 250mL brightener in every 40 kilograms of wooden chaffs and make brightener, the family's cony fur mixture made and tanning are disposed drops into treatment facility transfer and goes out skin in 4 hours.
8) warehouse-in is arranged.
Compare in conventional method, reach " one mao double-colored " effect of under hair dark color, hair pin light color, or can not by the dyestuff of pulling color and can by after white dyestuff compatibility dyeing on the grass of pulling color, use the agent of physics pulling color to be pulled out by dyestuff white on the grass on high-quality green tea, remaining can not by the color of the dyestuff of pulling color; Or directly with the upper white dyeing of grass, afterwards again by high-quality green tea dawn, spray on high-quality green tea afterwards or brush high-quality green tea dyestuff.And " one mao double-colored " effect that is light under hair, hair pin dark color, directly use acid dyeing, then sprayed by acid high-quality green tea dyestuff or brush and high-quality green tea layer, fixation obtains.Primary colours after above-mentioned conventional method dyeing only have one, and the pulling color agent used is the agent of physics pulling color, its pulling color less effective, and often have remaining ACID DYES after pulling color above fur, the effect of " a mao double-colored " is bad.
Relative to above-mentioned prior art, the present invention adopts and first uses high-quality green tea dyestuff to dye, the upper white dyeing of grass is added again afterwards with bath, finally re-use pulling color liquid to dyeing after family's cony fur pull off the feather of point process, the background color of the family's cony fur after such dyeing is the blend color of white dyestuff on high-quality green tea dyestuff and grass, makes the color of the family's cony fur after dyeing more gorgeous.And re-use chemical pulling color agent afterwards and to carry out pulling off the feather of point process, pulling color effect is more thorough, makes the difference between high-quality green tea and background color obvious, the better effects if of " a mao is double-colored ".This technique can make rabbit leatherware have gorgeous color, and fur more has third dimension, can improve the added value of a rabbit.And because pulling color process is relatively more thorough, two-color effect can also be made in the high-quality green tea position after pulling color.
Although illustrate and describe the present invention with specific embodiment, however it will be appreciated that can to make when not deviating from the spirit and scope of the present invention many other change and amendment.Therefore, this means to comprise all such changes and modifications belonged in the scope of the invention in the following claims.
Claims (9)
1. a rabbit contaminates one mao of double-colored method, it is characterized in that, specifically comprises the following steps: family's cony fur of no dyeing is carried out preliminary treatment by (1); (2) dye: first use solid fluorescence dyestuff as high-quality green tea dyeing to pretreated cony fur, add the upper white dyeing of grass with bath afterwards; (3) the pulling color liquid be mixed with chemical pulling color agent to be pulled off the feather of point process to the family's cony fur after dyeing;
Wherein said solid fluorescence dyestuff is the sulfonic group sodium salt of anthraquinone type, and its main component is sulfonic group sodium salt, and content is 10% ~ 30% of described solid fluorescence dyestuff total amount.
2. according to claim 1 rabbit contaminates one mao of double-colored method, and it is characterized in that, in described step (2), the consumption of described high-quality green tea dyestuff is 0.5g/L ~ 5.0g/L, uses the time of described high-quality green tea dyeing to be 1.5-1.6 hour; On described grass, the consumption of white dyestuff is 0.5g/L ~ 6.0g/L, and adding the upper white dyestuff continuation dyeing time of grass is 1.5-1.6 hour; Temperature in described dyeing course is 70-75 DEG C.
3. according to claim 1 rabbit contaminates one mao of double-colored method, it is characterized in that, in step (3), described pulling color liquid is equipped with formic acid by chemical pulling color agent and water is made; The mass ratio of wherein said chemical pulling color agent, formic acid and water is 2:1:40-2:1:60;
Described chemical pulling color agent is the mixture of fragrant organic matter and stabilizing agent; Described stabilizing agent is the mixture of potash and calcium carbonate;
The process of described epilation point specifically comprises: be first evenly sprayed on the fur after dyeing with described pulling color liquid, put into steam box afterwards, at 70-75 DEG C, steam 15-20 minute.
4. according to claim 3 rabbit contaminates one mao of double-colored method, it is characterized in that, described chemical pulling color agent is the calcium carbonate of 25-30 part, mixture that the sodium hydrosulfite of the sodium carbonate of 30-32 part and 40-45 part forms.
5. according to claim 1 rabbit contaminates one mao of double-colored method, and it is characterized in that, in step (1), described preliminary treatment specifically comprises: first the family's cony fur chosen is carried out pre-tanning process, carry out retanning process more afterwards.
6. according to claim 5 rabbit contaminates one mao of double-colored method, it is characterized in that, described pre-tanning process specifically comprises: prepare pre-tanning agent at 30-40 DEG C, after 6-7 hour, regulate the pH value of described pre-tanning agent to 4.5-5 with sodium bicarbonate, afterwards family's cony fur is dropped into, soak 10-12 hour;
In described pre-tanning agent, main component comprises: salt, wetting agent, without aldehyde tanning agent, auxiliary tanning agent, wherein by weight, containing 30-40 gram of salt in every 1000 grams of described pre-tanning agents, 2-3 milligram wetting agent, 4-5 gram without aldehyde tanning agent, 2-3 gram of auxiliary tanning agent, remaining as water.
7. according to claim 5 rabbit contaminates one mao of double-colored method, it is characterized in that, described retanning is treated to: at 32-35 DEG C, prepare retanning agent, be 4.5-4.7 by sodium bicarbonate adjust ph after 6-7 hour, be warming up to 38-39 DEG C, drop into and go out skin drying after family's cony fur of tanning soaks 10-12 hour;
In described retanning agent, main component comprises: salt, wetting agent, chromium powder, auxiliary tanning agent; Wherein by weight, containing salt 30-40g, wetting agent 0.5-1 milligram, chromium powder 5-7 gram, auxiliary tanning agent 2-3 gram in every 1000 grams of described retanning agents, residual components is water.
8. the family's rabbit according to claim 6 or 7 contaminates one mao of double-colored method, it is characterized in that, wherein said salt is salt or saltcake; Wetting agent is non-ionic surface active agent; Described is aluminium tanningagent or chrome tanning agent without aldehyde tanning agent; Auxiliary tanning agent is carboxylic acid sodium salt.
9. according to claim 1 rabbit contaminates one mao of double-colored method, it is characterized in that, after step (3), also comprises: dryly arrange, and turns wooden chaff afterwards;
Described turn of wooden chaff is specially: add 200-250mL brightener in every 40-50 kilogram of wooden chaff and make brightener, and the family's cony fur described brightener made and tanning are disposed drops into treatment facility transfer and goes out skin in 4-5 hour.
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