CN110219180A - A kind of base fabric processing technology of superfine fiber chemical leather - Google Patents
A kind of base fabric processing technology of superfine fiber chemical leather Download PDFInfo
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- CN110219180A CN110219180A CN201910567968.5A CN201910567968A CN110219180A CN 110219180 A CN110219180 A CN 110219180A CN 201910567968 A CN201910567968 A CN 201910567968A CN 110219180 A CN110219180 A CN 110219180A
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- woven cloth
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
- D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/46—Compounds containing quaternary nitrogen atoms
- D06M13/463—Compounds containing quaternary nitrogen atoms derived from monoamines
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0004—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
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- D06N2209/00—Properties of the materials
- D06N2209/04—Properties of the materials having electrical or magnetic properties
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- D06N2209/00—Properties of the materials
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- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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Abstract
The present invention relates to the technical fields of superfine fiber chemical leather preparation method, disclose a kind of base fabric processing technology of superfine fiber chemical leather, and non-woven cloth is handled by following steps；S1: impregnation；Non-woven cloth is delivered in maceration extract and is impregnated, each chemical composition of maceration extract is in parts by weight are as follows: 80-120 parts of polyurethane resin, DMF60-90 parts, 1-3 parts of coagulation regulator, 15-25 parts of neopelex, 10-16 parts of aminopropyl triethoxysilane；S2: coating treatment；S3: solidification washing process；After S3, base fabric completion of processing.It prevents the polyurethane resin on non-woven cloth from settling, so that the foamed state of the polyurethane resin on non-woven cloth tow sides is consistent, facilitates the subsequent processing of base fabric, base fabric is facilitated to dye.
Description
Technical field
The present invention relates to the technical fields of superfine fiber chemical leather preparation method, more specifically, it relates to a kind of ultra-fine
The base fabric processing technology of fiber synthetic leather.
Background technique
Superfine fiber chemical leather is one of important application product of superfine fibre, strong with physical property height, artificial leather performance
The characteristics of, it is widely used in the industries such as clothes, shoemaking, luggage, furniture, is occupied highly importantly in the production and living of people
Position.Use the non-woven cloth mentioned in national standard as base fabric, base fabric manufacturing procedure then is carried out to base fabric.Base fabric manufacturing procedure
Main purpose is the solid film for liquid polyurethane resin being formed in base fabric fibre gap certain structure, so that base fabric structure is " whole
Body ", and assign the good feel of base fabric, elasticity and physicochemical property.Then decrement separation is carried out to base fabric, so that base
Cloth forms superfine fiber fabric from non-weaving cloth base fabric.It finally also needs that superfine fiber fabric is arranged and modified, assigns
The color and decorative pattern on surface reach the requirement of appearance and inherent service performance.Mainly have surface move film, printing, embossing, dyeing,
The processing technologies such as arrangement.
Polyurethane is when impregnated nonwoven cloth, the state in liquid, and non-woven cloth dipping arrives solidification after completing,
There are also interval of time, some polyurethane can settle at this time, so as to cause poly- on the front and back sides of non-woven cloth
Urethane distribution and foamed state are different, and foaming is uneven, so that the non-woven cloth dyeing after subsequent processing is difficult, cause
The difficulty that non-woven cloth is formed to final finishing after superfine fibre increases.
Summary of the invention
The purpose of the present invention is to provide a kind of base fabric processing technologys of superfine fiber chemical leather, prevent on non-woven cloth
Polyurethane resin settles, so that the foamed state of the polyurethane resin on non-woven cloth tow sides is consistent, facilitates base fabric
Subsequent processing, facilitates base fabric to dye.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of base fabric processing technology of superfine fiber chemical leather handles non-woven cloth by following steps；
S1: impregnation；Non-woven cloth is delivered in maceration extract and is impregnated, each chemical composition of maceration extract is in parts by weight
Are as follows: 80-120 parts of polyurethane resin, DMF60-90 parts, 1-3 parts of coagulation regulator, 15-25 parts of neopelex, ammonia third
10-16 parts of ethyl triethoxy silicane alkane；
S2: coating treatment；
S3: solidification washing process；
After S3, base fabric completion of processing.
Cloth first passes through impregnation, and maceration extract is enabled to uniformly fully to be distributed in the gap of non-woven cloth,
To form continuous resin film in fibre gap, make base fabric structure " integration ", and assign non-woven cloth good feel.
DMF enables to polyurethane resin to be dissolved well as solvent, by adding dodecyl benzene sulfonic acid in maceration extract
Sodium and aminopropyl triethoxysilane enable to the dispersion effect of polyurethane resin more preferable, while can be anti-in the short time
It is only combined with each other between polyurethane resin molecule, to prevent polyurethane resin from settling.Meanwhile neopelex
And aminopropyl triethoxysilane enables to the more uniform of polyurethane resin dispersion, so that non-woven cloth tow sides
The state of polyurethane resin foaming is consistent, and facilitates base fabric following process, base fabric is facilitated to dye.
As a further improvement of the present invention, each chemical composition of the maceration extract is in parts by weight are as follows: polyurethane resin
80-120 parts, DMF60-90 parts, 1-3 parts of coagulation regulator, 15-25 parts of neopelex, aminopropyl-triethoxy silicon
10-16 parts of alkane and 3-6 parts of ammonium benzoate.
By using above-mentioned technical proposal, by adding ammonium benzoate in maceration extract, detergent alkylate sulphur can be promoted
Sour sodium and aminopropyl triethoxysilane are stronger to the dispersibility of polyurethane resin, so that aminopropyl triethoxysilane is to dipping
Liquid plays the effect of solubilising.Oxosilane in aminopropyl triethoxysilane belongs to hydrophobic grouping, can play " interface orientation "
Effect, be conducive into bubble and foam stabilizing.And aminopropyl belongs to hydrophilic radical, so as to reduce the surface tension between liquid level.
As a further improvement of the present invention, the S1 impregnation includes the following steps:
A1: first putting into stirred tank according to above-mentioned parts by weight by DMF, and stirred tank made to start to stir, stirring
Temperature control in stirred tank is 45 DEG C -60 DEG C by 15-20min；
A2: by coagulation regulator, neopelex, aminopropyl triethoxysilane, ammonium benzoate without successively suitable
Being added according to above-mentioned parts by weight to A1 treated stirred tank for sequence, first stirs 10min, then by the temperature in stirred tank
65 DEG C are warming up to, 10min is stirred for；
A3: polyurethane resin is added according to above-mentioned parts by weight to A2 treated stirred tank, and by stirred tank
Interior temperature is down to 40 DEG C, stirs 50-70min；
A4: the maceration extract after the completion of A3 is handled is transferred in impregnator, and then non-woven cloth is input in impregnator
It impregnates repeatedly；
After being handled by A4, S1 impregnation terminates.
By using above-mentioned technical proposal, first DMF is added in stirred tank, and the temperature in stirred tank is slightly mentioned
Height enables to DMF that can more quickly stir evenly, so that the DMF concentration of various pieces is uniform.Then solidification is adjusted again
Section agent, neopelex, aminopropyl triethoxysilane, ammonium benzoate are added in DMF without sequencing, and
Lasting stirring 10min enables these above-mentioned substances thoroughly to be dispersed in system.It then again will be in stirred tank
Temperature it is slight increased, some granular substances in DMF are more quickly dispersed within the system.By
It is larger in the viscosity of polyurethane resin itself, so having to again add polyurethane resin after other auxiliary agents are uniformly dispersed
Into system so that these auxiliary agents disperse in DMF it is more uniform.After having added polyurethane resin, by stirred tank
Interior temperature reduces.It prevents that temperature is excessively high and the viscosity of maceration extract is caused to reduce, if temperature is lower than 40 DEG C, can to impregnate
The viscosity of liquid increases, in order to keep the stability of viscosity, so that the temperature in stirred tank is controlled at 40 DEG C, so that maceration extract
Modest viscosity.Finally, being immersed in maceration extract repeatedly by non-woven cloth, so that maceration extract can uniformly and fully divide
Cloth is into the gap of non-woven cloth.
As a further improvement of the present invention, the coagulation regulator includes benzoyloxy ethylhexyl stearate and the moon
Cinnamic acid, and mass ratio is 4:1.
By using above-mentioned technical proposal, benzoyloxy ethylhexyl stearate is a kind of nonionic surfactant,
Belong to hydrophobic surfactant, due to so increasing the surface tension in solidification section, reducing solidification speed with hydrophobicity
Degree, has delayed the formation of surface dense layer, the DMF in film is made to have the sufficient time to diffuse out, formed dense fine hole.Laurel
Acid is anionic surfactant, belongs to hydrophilic surfactant.Since lauric acid has hydrophily, solidification circle is reduced
The surface tension in face, so that film surface quick solidification is at compactness film.When maceration extract enter the inside of urethane resin film when
It waits, solidifies and carry out rapidly, therefore film pore-forming obtained is big, and hole wall is relatively thin.By controlling benzoyloxy stearic acid ethyl
Own ester and lauric mass ratio, so as to control the setting rate of polyurethane resin, so that the solidification speed of polyurethane resin
Spend it is moderate so that neopelex and aminopropyl triethoxysilane can have the sufficient time by poly- ammonia
Ester resin dispersion is uniform.
As a further improvement of the present invention, the S2 coating treatment includes the following steps:
B1: it will be first delivered at tension bracket by the cloth after S1 impregnation；
B2: coating agent is input in coating machine, then will treated that non-woven cloth is delivered in coating machine by B1
Carry out coating；
After B2, S2 coating treatment terminates.
By using above-mentioned technical proposal, first by non-woven cloth be input to the coating machine containing coating agent can, so as to
Enough one layer of high molecular film forming matters of uniformly coating to non-woven cloth facilitate subsequent to non-woven cloth progress different-style
Processing.Due to being introduced into tension bracket before non-woven cloth enters coating machine, non-woven cloth is tensioned by tension bracket, so that non-knit
It makes cloth and shows tight state, entered between non-woven cloth fiber molecule so that coating agent is more convenient.Meanwhile it preventing
Cloth influences coating work in relaxed state before entering coating machine.
As a further improvement of the present invention, each chemical composition of the coating agent is in parts by weight are as follows: polyurethane resin 70-
130 parts, DMF20-60 parts, 4-6 parts of kaolin, 0.2-0.7 parts of laureth potassium phosphate, 3-7 parts of diethanol amine disulfate,
Sorbester p18 is 1-2 parts.
By using above-mentioned technical proposal, the purpose of coating is uniformly to coat one layer of macromolecule on the surface of non-woven cloth
Film forming matter.DMF is solvent, can be dissolved in polyurethane resin in system well, while can play the role of thickening,
The microcellular structure on polyurethane resin surface can be improved simultaneously, reduce epithelium elasticity.Laureth potassium phosphate can be eliminated poly-
The bubble that urethane slurry generates in configuration process avoids taking the defects of coating surface forms pin hole, flake, bubble scuffing to,
Guarantee that coating surface is smooth.After coating agent coating on the nonwoven fabric, diethanol amine disulfate enables to non-knit
The penetrability enhancing of cloth is made, so that the subsequent base fabric being made into has good penetrability, the steam of base fabric side can have
The other side for being transferred to base fabric of effect, improves the sanitation performance of synthetic leather.
As a further improvement of the present invention, each chemical composition of the coating agent is in parts by weight are as follows: polyurethane resin 70-
130 parts, DMF20-60 parts, 4-6 parts of kaolin, 0.2-0.7 parts of laureth potassium phosphate, 3-7 parts of diethanol amine disulfate,
Sorbester p18 is 1-2 parts, 0.4-0.9 parts, 0.1-0.3 parts of diglycerol of two isononoate of diethylene glycol (DEG).
By using above-mentioned technical proposal, diglycerol is added in system, enables to coating agent to the saturating of non-woven cloth
It is moist stronger, and get both and play the role of moisturizing.Due to being added to two isononoate of diethylene glycol (DEG), so that diglycerol and laurel
Alcohol polyethers potassium phosphate combines, and generates some cations, so that can incite somebody to action when fabric occurs friction and generates electrostatic
The electronics that electrostatic generates neutralizes mutually, to achieve the effect that antistatic.Two isononoate of diethylene glycol (DEG) can also make double simultaneously
Glycerol enhancing opposite with the penetrability of diethanol amine disulfate itself.
As a further improvement of the present invention, the S3 solidification washing process includes the following steps:
C1: pre- consolidated will be carried out by the non-woven cloth after S2 coating treatment；Setting time is 7-15min, and speed is
5m/min；
C2: will treated that non-woven cloth carries out main solidification processing, setting time 20-30min, speed 6m/ by C1
min；
C3: will treated that non-woven cloth is washed by C2.
It, can be by liquid polyurethane resin by the way that non-woven cloth is carried out solidification processing by using above-mentioned technical proposal
Solvent in solution is removed, and the solid film of specific aggregated structure is formed.
In conclusion the advantages of the present invention are:
1, prevent the polyurethane resin on non-woven cloth from settling, so that the polyurethane tree on non-woven cloth tow sides
The foamed state of rouge is consistent, facilitates the subsequent processing of base fabric, base fabric is facilitated to dye；
2, by control benzoyloxy ethylhexyl stearate and lauric mass ratio, so as to control polyurethane
Hardening of resin speed, so that the setting rate of polyurethane resin is moderate, so that neopelex and ammonia third
Ethyl triethoxy silicane alkane can have the sufficient time that polyurethane resin is uniformly dispersed；
3, diglycerol is added in system, enables to coating agent stronger to the penetrability of non-woven cloth, and gets both and have
The effect of moisturizing.Due to being added to two isononoate of diethylene glycol (DEG), so that diglycerol is combined with laureth potassium phosphate,
And some cations are generated, so that the electronics that can generate electrostatic is mutual when fabric occurs friction and generates electrostatic
It neutralizes, to achieve the effect that antistatic.Two isononoate of diethylene glycol (DEG) can also make diglycerol and diethanol amine sulfuric acid simultaneously
The penetrability of hydrogen salt itself is opposite to be enhanced.
Detailed description of the invention
Fig. 1 is a kind of process flow chart of the base fabric processing technology of superfine fiber chemical leather of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, present invention is further described in detail.
Embodiment 1:
Referring to Fig.1, following substance is in parts by weight.
A kind of base fabric processing technology of superfine fiber chemical leather handles commercially available non-woven cloth by following steps:
S1: impregnation.Impregnation includes the following steps:
A1: first putting into 75 parts of DMF into stirred tank, and stirred tank is made to start to stir, and stirs 17min, will stir
The temperature control mixed in kettle is 53 DEG C.
A2: by 1.6 parts of benzoyloxy ethylhexyl stearates, 0.4 part of lauric acid, 20 parts of neopelexes,
In the 13 parts of additions of aminopropyl triethoxysilane without sequencing to A1 treated stirred tank, 10min is first stirred, then will
Temperature in stirred tank is warming up to 65 DEG C, is stirred for 10min.
A3: 100 parts of polyurethane resin is added to A2 treated stirred tank, and the temperature in stirred tank is dropped
To 40 DEG C, 60min is stirred.
A4: the maceration extract after the completion of A3 is handled is transferred in impregnator, and then non-woven cloth is input in impregnator
It impregnates repeatedly.
After being handled by A4, S1 impregnation terminates.
S2: coating treatment.Coating treatment includes the following steps:
B1: it will be first delivered at tension bracket by the cloth after S1 impregnation.
B2: coating agent is input in coating machine, then will treated that non-woven cloth is delivered in coating machine by B1
Carry out coating.Wherein each chemical composition of coating agent are as follows: 100 parts of polyurethane resin, DMF40 parts, 5 parts of kaolin, laruyl alcohol it is poly-
0.45 part of ether phosphoric acid potassium, 5 parts of diethanol amine disulfate, sorbester p18 are 1.5 parts, 0.6 part of two isononoate of diethylene glycol (DEG), diglycerol
0.2 part.The method for configuring coating agent are as follows: first DMF is added to stirred tank, then persistently stirs, then by kaolin, laurel
Alcohol polyethers potassium phosphate, diethanol amine disulfate, sorbester p18, two isononoate of diethylene glycol (DEG) and diglycerol add without sequencing
Enter, and stirred in addition, after addition finishes, stirs 30min, finally polyurethane resin is added again, it is stirring while adding,
After addition finishes, 30min is persistently stirred.To come into operation.
After B2, S2 coating treatment terminates.
S3: solidification washing process.Solidification washing process includes the following steps:
C1: it will be input in pre- consolidated slot by the non-woven cloth after S2 coating treatment, added with pre- in pre- consolidated slot
Solidification liquid, pre- consolidated liquid are the mixed liquor of DMF and water, mass ratio DMF: water=1:1.The temperature for keeping pre- consolidated liquid is 30
DEG C, and before non-woven cloth enters pre- consolidated slot, adequately pre- consolidated liquid is stirred, stirs evenly it.Solidification
Time is 11min, speed 5m/min.
C2: will by C1, treated that non-woven cloth carries out main solidification processing, non-woven cloth is transported out of pre- consolidated slot
In to main coagulating basin, main solidification liquid is added in main coagulating basin, main solidification liquid is the mixed liquor of DMF and water, and mass ratio is
DMF: water=1:3.Non-woven cloth is input to after main coagulating basin, is constantly padded in slot, until polyurethane resin is completely solidifying
Gu.Setting time 25min, speed 6m/min.
C3: will treated that non-woven cloth is washed by C2.Non-woven cloth is input to washing after C2 processing
In slot, rinsing bowl is made of roll and deflector roll, so that non-woven cloth is carried out being washed and being squeezed repeatedly, thus sufficiently
By DMF and the removal of other auxiliary agent.
After above-mentioned all steps, non-woven cloth is processed into base fabric.
Embodiment 2:
Following substance is in parts by weight.
A kind of base fabric processing technology of superfine fiber chemical leather handles commercially available non-woven cloth by following steps:
S1: impregnation.Impregnation includes the following steps:
A1: first putting into 75 parts of DMF into stirred tank, and stirred tank is made to start to stir, and stirs 17min, will stir
The temperature control mixed in kettle is 53 DEG C.
A2: by 1.6 parts of benzoyloxy ethylhexyl stearates, 0.4 part of lauric acid, 20 parts of neopelexes,
In the 13 parts of additions of aminopropyl triethoxysilane without sequencing to A1 treated stirred tank, 10min is first stirred, then will
Temperature in stirred tank is warming up to 65 DEG C, is stirred for 10min.
A3: 100 parts of polyurethane resin is added to A2 treated stirred tank, and the temperature in stirred tank is dropped
To 40 DEG C, 60min is stirred.
A4: the maceration extract after the completion of A3 is handled is transferred in impregnator, and then non-woven cloth is input in impregnator
It impregnates repeatedly.
After being handled by A4, S1 impregnation terminates.
S2: coating treatment.Coating treatment includes the following steps:
B1: it will be first delivered at tension bracket by the cloth after S1 impregnation.
B2: coating agent is input in coating machine, then will treated that non-woven cloth is delivered in coating machine by B1
Carry out coating.Wherein each chemical composition of coating agent are as follows: 100 parts of polyurethane resin, DMF40 parts, 5 parts of kaolin, laruyl alcohol it is poly-
0.45 part of ether phosphoric acid potassium, 5 parts of diethanol amine disulfate, sorbester p18 are 1.5 parts.The method for configuring coating agent are as follows: first add DMF
Enter to stirred tank, then persistently stir, then by kaolin, laureth potassium phosphate, diethanol amine disulfate, sapn
60 and the addition without sequencing, and stir in addition, after addition finishes, stirring 30min, finally again by polyurethane
Resin is added, stirring while adding, after addition finishes, persistently stirs 30min.To come into operation.
After B2, S2 coating treatment terminates.
S3: solidification washing process.Solidification washing process includes the following steps:
C1: it will be input in pre- consolidated slot by the non-woven cloth after S2 coating treatment, added with pre- in pre- consolidated slot
Solidification liquid, pre- consolidated liquid are the mixed liquor of DMF and water, mass ratio DMF: water=1:1.The temperature for keeping pre- consolidated liquid is 30
DEG C, and before non-woven cloth enters pre- consolidated slot, adequately pre- consolidated liquid is stirred, stirs evenly it.Solidification
Time is 11min, speed 5m/min.
C2: will by C1, treated that non-woven cloth carries out main solidification processing, non-woven cloth is transported out of pre- consolidated slot
In to main coagulating basin, main solidification liquid is added in main coagulating basin, main solidification liquid is the mixed liquor of DMF and water, and mass ratio is
DMF: water=1:3.Non-woven cloth is input to after main coagulating basin, is constantly padded in slot, until polyurethane resin is completely solidifying
Gu.Setting time 25min, speed 6m/min.
C3: will treated that non-woven cloth is washed by C2.Non-woven cloth is input to washing after C2 processing
In slot, rinsing bowl is made of roll and deflector roll, so that non-woven cloth is carried out being washed and being squeezed repeatedly, thus sufficiently
By DMF and the removal of other auxiliary agent.
After above-mentioned all steps, non-woven cloth is processed into base fabric.
Embodiment 3:
Following substance is in parts by weight.
A kind of base fabric processing technology of superfine fiber chemical leather handles commercially available non-woven cloth by following steps:
S1: impregnation.Impregnation includes the following steps:
A1: first putting into 75 parts of DMF into stirred tank, and stirred tank is made to start to stir, and stirs 17min, will stir
The temperature control mixed in kettle is 53 DEG C.
A2: by 1.6 parts of benzoyloxy ethylhexyl stearates, 0.4 part of lauric acid, 20 parts of neopelexes,
In 13 parts of aminopropyl triethoxysilanes, the 4 parts of additions of ammonium benzoate without sequencing to A1 treated stirred tank, first stir
Then temperature in stirred tank is warming up to 65 DEG C, is stirred for 10min by 10min.
A3: 100 parts of polyurethane resin is added to A2 treated stirred tank, and the temperature in stirred tank is dropped
To 40 DEG C, 60min is stirred.
A4: the maceration extract after the completion of A3 is handled is transferred in impregnator, and then non-woven cloth is input in impregnator
It impregnates repeatedly.
After being handled by A4, S1 impregnation terminates.
S2: coating treatment.Coating treatment includes the following steps:
B1: it will be first delivered at tension bracket by the cloth after S1 impregnation.
B2: coating agent is input in coating machine, then will treated that non-woven cloth is delivered in coating machine by B1
Carry out coating.Wherein each chemical composition of coating agent are as follows: 100 parts of polyurethane resin, DMF40 parts, 5 parts of kaolin, laruyl alcohol it is poly-
0.45 part of ether phosphoric acid potassium, 5 parts of diethanol amine disulfate, sorbester p18 are 1.5 parts.The method for configuring coating agent are as follows: first add DMF
Enter to stirred tank, then persistently stir, then by kaolin, laureth potassium phosphate, diethanol amine disulfate, sapn
60 additions without sequencing, and stirred in addition, after addition finishes, 30min is stirred, finally again by polyurethane resin
It is added, it is stirring while adding, after addition finishes, persistently stir 30min.To come into operation.
After B2, S2 coating treatment terminates.
S3: solidification washing process.Solidification washing process includes the following steps:
C1: it will be input in pre- consolidated slot by the non-woven cloth after S2 coating treatment, added with pre- in pre- consolidated slot
Solidification liquid, pre- consolidated liquid are the mixed liquor of DMF and water, mass ratio DMF: water=1:1.The temperature for keeping pre- consolidated liquid is 30
DEG C, and before non-woven cloth enters pre- consolidated slot, adequately pre- consolidated liquid is stirred, stirs evenly it.Solidification
Time is 11min, speed 5m/min.
C2: will by C1, treated that non-woven cloth carries out main solidification processing, non-woven cloth is transported out of pre- consolidated slot
In to main coagulating basin, main solidification liquid is added in main coagulating basin, main solidification liquid is the mixed liquor of DMF and water, and mass ratio is
DMF: water=1:3.Non-woven cloth is input to after main coagulating basin, is constantly padded in slot, until polyurethane resin is completely solidifying
Gu.Setting time 25min, speed 6m/min.
C3: will treated that non-woven cloth is washed by C2.Non-woven cloth is input to washing after C2 processing
In slot, rinsing bowl is made of roll and deflector roll, so that non-woven cloth is carried out being washed and being squeezed repeatedly, thus sufficiently
By DMF and the removal of other auxiliary agent.
After above-mentioned all steps, non-woven cloth is processed into base fabric.
Embodiment 4:
Following substance is in parts by weight.
A kind of base fabric processing technology of superfine fiber chemical leather handles commercially available non-woven cloth by following steps:
S1: impregnation.Impregnation includes the following steps:
A1: first putting into 75 parts of DMF into stirred tank, and stirred tank is made to start to stir, and stirs 17min, will stir
The temperature control mixed in kettle is 53 DEG C.
A2: by 1.6 parts of benzoyloxy ethylhexyl stearates, 0.4 part of lauric acid, 20 parts of neopelexes,
In 13 parts of aminopropyl triethoxysilanes, the 4 parts of additions of ammonium benzoate without sequencing to A1 treated stirred tank, first stir
Then temperature in stirred tank is warming up to 65 DEG C, is stirred for 10min by 10min.
A3: 100 parts of polyurethane resin is added to A2 treated stirred tank, and the temperature in stirred tank is dropped
To 40 DEG C, 60min is stirred.
A4: the maceration extract after the completion of A3 is handled is transferred in impregnator, and then non-woven cloth is input in impregnator
It impregnates repeatedly.
After being handled by A4, S1 impregnation terminates.
S2: coating treatment.Coating treatment includes the following steps:
B1: it will be first delivered at tension bracket by the cloth after S1 impregnation.
B2: coating agent is input in coating machine, then will treated that non-woven cloth is delivered in coating machine by B1
Carry out coating.Wherein each chemical composition of coating agent are as follows: 100 parts of polyurethane resin, DMF40 parts, 5 parts of kaolin, laruyl alcohol it is poly-
0.45 part of ether phosphoric acid potassium, 5 parts of diethanol amine disulfate, sorbester p18 are 1.5 parts, 0.6 part of two isononoate of diethylene glycol (DEG), diglycerol
0.2 part.The method for configuring coating agent are as follows: first DMF is added to stirred tank, then persistently stirs, then by kaolin, laurel
Alcohol polyethers potassium phosphate, diethanol amine disulfate, sorbester p18, two isononoate of diethylene glycol (DEG) and diglycerol add without sequencing
Enter, and stirred in addition, after addition finishes, stirs 30min, finally polyurethane resin is added again, it is stirring while adding,
After addition finishes, 30min is persistently stirred.To come into operation.
After B2, S2 coating treatment terminates.
S3: solidification washing process.Solidification washing process includes the following steps:
C1: it will be input in pre- consolidated slot by the non-woven cloth after S2 coating treatment, added with pre- in pre- consolidated slot
Solidification liquid, pre- consolidated liquid are the mixed liquor of DMF and water, mass ratio DMF: water=1:1.The temperature for keeping pre- consolidated liquid is 30
DEG C, and before non-woven cloth enters pre- consolidated slot, adequately pre- consolidated liquid is stirred, stirs evenly it.Solidification
Time is 11min, speed 5m/min.
C2: will by C1, treated that non-woven cloth carries out main solidification processing, non-woven cloth is transported out of pre- consolidated slot
In to main coagulating basin, main solidification liquid is added in main coagulating basin, main solidification liquid is the mixed liquor of DMF and water, and mass ratio is
DMF: water=1:3.Non-woven cloth is input to after main coagulating basin, is constantly padded in slot, until polyurethane resin is completely solidifying
Gu.Setting time 25min, speed 6m/min.
C3: will treated that non-woven cloth is washed by C2.Non-woven cloth is input to washing after C2 processing
In slot, rinsing bowl is made of groove body, roll and deflector roll, so that non-woven cloth is subjected to being washed and being squeezed repeatedly, from
And adequately by DMF and other auxiliary agent removals.
After above-mentioned all steps, non-woven cloth is processed into base fabric.
Embodiment 5-8 and the difference of embodiment 4 be, each chemical composition of maceration extract is in parts by weight in S1 impregnation
It is as shown in the table:
Embodiment 9-12 and the difference of embodiment 4 are that each chemical composition of S2 coating treatment floating coat agent is with parts by weight
Meter is as shown in the table:
| Embodiment 9 | Embodiment 10 | Embodiment 11 | Embodiment 12 | |
| Polyurethane resin | 70 | 130 | 80 | 110 |
| DMF | 20 | 60 | 30 | 50 |
| Kaolin | 4 | 6 | 5 | 5 |
| Laureth potassium phosphate | 0.2 | 0.7 | 0.3 | 0.5 |
| Diethanol amine disulfate | 3 | 7 | 4 | 6 |
| Sorbester p18 | 1 | 2 | 1.3 | 1.7 |
| Two isononoate of diethylene glycol (DEG) | 0.4 | 0.9 | 0.5 | 0.8 |
| Diglycerol | 0.1 | 0.3 | 0.2 | 0.2 |
Comparative example 1: being with the difference for implementing 1, and maceration extract selection Authorization Notice No. is in S1 impregnation
The Chinese patent of CN101725052B discloses a kind of waterborne polyurethane resin superfiber leather and manufacturing method, wherein wet process
The maceration extract mentioned in processing technology.
Comparative example 2: the difference from embodiment 1 is that, S2 coating treatment floating coat agent selection Authorization Notice No. is
The Chinese patent of CN101725052B discloses a kind of waterborne polyurethane resin superfiber leather and manufacturing method, wherein wet process
The coating liquid mentioned in processing technology.
Comparative example 3: the difference from embodiment 1 is that, maceration extract selection Authorization Notice No. is in S1 impregnation
The Chinese patent of CN101725052B discloses a kind of waterborne polyurethane resin superfiber leather and manufacturing method, wherein wet process
The maceration extract mentioned in processing technology；The China that S2 coating treatment floating coat agent selects Authorization Notice No. to be CN101725052B is special
Benefit discloses a kind of waterborne polyurethane resin superfiber leather and manufacturing method, the coating wherein mentioned in wet method processing technology
Liquid.
7 parts will be divided into the commercially available non-woven cloth of a batch, its random number 001-007,001-004 will be used respectively
The processing of base fabric documented by embodiment 1-4 work processes it, and 005-007 is added using documented base fabric in comparative example 1-3
Work technique carries out processing processing to it.
Test one: base fabric dye test.
Test method: accusing number as the staining method that is previously mentioned of [0037] section in the patent of CN103603197B, to will compile
Number for 001-007 base fabric its dyed, and record dye-uptake, dye-uptake is as shown in the table.
Test two: observation property test.
Content of the test: observing the base fabric of the 001-007 after processing, and observation result is as shown in the table.
Test three: the penetrability test of base fabric.
Test method: reference standard is GB/T12704.2-2009 textile fabric penetrability test method first part:
Moisture absorption method；The result for measuring the penetrability for the base fabric that number is 001-007 is as shown in the table.
Test result
It is obtained from the data in above table, recorded in number 003,004 and 006 has used in the present invention
Maceration extract, so its processing after base fabric dye-uptake it is higher compared to the dye-uptake of other number base fabrics, thus illustrate make
The maceration extract recorded with the present invention, the more convenient base fabric dyeing of base fabric after enabling to processing.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of base fabric processing technology of superfine fiber chemical leather, it is characterised in that: handle non-woven cloth by following steps；
S1: impregnation；Non-woven cloth is delivered in maceration extract and is impregnated, each chemical composition of maceration extract is in parts by weight are as follows: is poly-
80-120 parts of urethane resin, DMF60-90 parts, 1-3 parts of coagulation regulator, 15-25 parts of neopelex, aminopropyl three
10-16 parts of Ethoxysilane；
S2: coating treatment；
S3: solidification washing process；
After S3, base fabric completion of processing.
2. a kind of base fabric processing technology of superfine fiber chemical leather according to claim 1, it is characterised in that: the dipping
Each chemical composition of liquid is in parts by weight are as follows: 80-120 parts of polyurethane resin, DMF60-90 parts, 1-3 parts of coagulation regulator, 12
15-25 parts of sodium alkyl benzene sulfonate, 10-16 parts of aminopropyl triethoxysilane and 3-6 parts of ammonium benzoate.
3. a kind of base fabric processing technology of superfine fiber chemical leather according to claim 2, it is characterised in that: the S1 leaching
Stain processing includes the following steps:
A1: first putting into stirred tank according to above-mentioned parts by weight by DMF, and stirred tank made to start to stir, and stirs 15-
Temperature control in stirred tank is 45 DEG C -60 DEG C by 20min；
A2: by coagulation regulator, neopelex, aminopropyl triethoxysilane, ammonium benzoate without sequencing
It is added according to above-mentioned parts by weight to A1 treated stirred tank, first stirs 10min, then the temperature in stirred tank heats up
To 65 DEG C, it is stirred for 10min；
A3: polyurethane resin is added according to above-mentioned parts by weight to A2 treated stirred tank, and will be in stirred tank
Temperature is down to 40 DEG C, stirs 50-70min；
A4: the maceration extract after the completion of A3 is handled is transferred in impregnator, is then input to non-woven cloth in impregnator repeatedly
Dipping；
After being handled by A4, S1 impregnation terminates.
4. a kind of base fabric processing technology of superfine fiber chemical leather according to claim 1, it is characterised in that: the solidification
Regulator includes benzoyloxy ethylhexyl stearate and lauric acid, and mass ratio is 4:1.
5. a kind of base fabric processing technology of superfine fiber chemical leather according to claim 1, it is characterised in that: the S2 is applied
Layer processing includes the following steps:
B1: it will be first delivered at tension bracket by the cloth after S1 impregnation；
B2: coating agent is input in coating machine, then will be by carrying out in B1 treated non-woven cloth is delivered to coating machine
Coating；
After B2, S2 coating treatment terminates.
6. a kind of base fabric processing technology of superfine fiber chemical leather according to claim 5, it is characterised in that: the coating
Each chemical composition of agent is in parts by weight are as follows: 70-130 parts of polyurethane resin, DMF20-60 parts, 4-6 parts of kaolin, laureth
0.2-0.7 parts of potassium phosphate, 3-7 parts of diethanol amine disulfate, sorbester p18 are 1-2 parts.
7. a kind of base fabric processing technology of superfine fiber chemical leather according to claim 6, it is characterised in that: the coating
Each chemical composition of agent is in parts by weight are as follows: 70-130 parts of polyurethane resin, DMF20-60 parts, 4-6 parts of kaolin, laureth
0.2-0.7 parts of potassium phosphate, 3-7 parts of diethanol amine disulfate, sorbester p18 are 1-2 parts, two isononoate 0.4-0.9 of diethylene glycol (DEG)
Part, 0.1-0.3 parts of diglycerol.
8. a kind of base fabric processing technology of superfine fiber chemical leather according to claim 1, it is characterised in that: the S3 is solidifying
Gu washing process includes the following steps:
C1: pre- consolidated will be carried out by the non-woven cloth after S2 coating treatment；Setting time is 7-15min, speed 5m/
min；
C2: will treated that non-woven cloth carries out main solidification processing, setting time 20-30min, speed 6m/min by C1；
C3: will treated that non-woven cloth is washed by C2.
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| CN102115983A (en) * | 2011-01-26 | 2011-07-06 | 烟台华大化学工业有限公司 | Aqueous polyurethane superfine fiber synthetic leather and preparation method thereof |
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| CN102561050A (en) * | 2012-01-05 | 2012-07-11 | 无锡双象超纤材料股份有限公司 | Method for producing fiber non-woven fabric superfine fiber synthetic leather |
| CN103603197A (en) * | 2013-11-12 | 2014-02-26 | 陕西科技大学 | Method for improving dyeing property of superfine fiber synthetic leather base cloth |
| CN104328690A (en) * | 2014-10-16 | 2015-02-04 | 陕西科技大学 | Thermal conductive polyurethane synthetic leather production method |
-
2019
- 2019-06-27 CN CN201910567968.5A patent/CN110219180B/en active Active
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| CN102115983A (en) * | 2011-01-26 | 2011-07-06 | 烟台华大化学工业有限公司 | Aqueous polyurethane superfine fiber synthetic leather and preparation method thereof |
| CN102561050A (en) * | 2012-01-05 | 2012-07-11 | 无锡双象超纤材料股份有限公司 | Method for producing fiber non-woven fabric superfine fiber synthetic leather |
| CN102561052A (en) * | 2012-01-15 | 2012-07-11 | 山东同大海岛新材料股份有限公司 | Method for producing superfine fiber synthetic leather |
| CN103603197A (en) * | 2013-11-12 | 2014-02-26 | 陕西科技大学 | Method for improving dyeing property of superfine fiber synthetic leather base cloth |
| CN104328690A (en) * | 2014-10-16 | 2015-02-04 | 陕西科技大学 | Thermal conductive polyurethane synthetic leather production method |
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Denomination of invention: A Processing Technology for the Base Fabric of Ultrafine Fiber Synthetic Leather Effective date of registration: 20230908 Granted publication date: 20210910 Pledgee: Zhangzhen Sub-branch of Zhejiang Shangyu Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG YONGXIANG SYNTHETIC MATERIAL Co.,Ltd. Registration number: Y2023330001995 |