CN109371699A - A kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather - Google Patents
A kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather Download PDFInfo
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- CN109371699A CN109371699A CN201811064291.5A CN201811064291A CN109371699A CN 109371699 A CN109371699 A CN 109371699A CN 201811064291 A CN201811064291 A CN 201811064291A CN 109371699 A CN109371699 A CN 109371699A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- D06N3/12—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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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- D06N3/0056—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
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- D06N3/0056—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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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- D06N3/007—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
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- D06N3/12—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
- D06N3/142—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 mixture of polyurethanes with other resins in the same layer
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- D06N3/12—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
- D06N3/146—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 characterised by the macromolecular diols used
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention relates to artificial leather production technical fields, provide a kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather, steps are as follows: (1) preparing high-temperature resistant waterborne polyurethane lotion, raw materials are as follows in parts by weight: 20-30 parts of castor oil, 20-30 parts of rapeseed oil, 40-60 parts of polyester polyol, 100-150 parts of aromatic diisocyanate, 0.1-0.2 parts of octoate catalyst stannous, 15-30 parts of diamine chain extenders, 10-15 parts of epoxy resin E51, 20-30 parts of hydrophilic agent dihydromethyl propionic acid, 10-20 parts of polyoxyethylene polyoxypropylene ether of hydrophilic agent trimethylolpropane, 10-15 parts of amine neutralizer dimethylaminoethanol, 400-600 parts of deionized water；(2) surface layer is prepared；(3) surface finish, finished product.The present invention is applied to clothing leather, chemically solves the disadvantage that prior art non-refractory is easily tacky in structure.
Description
Technical field
The present invention relates to artificial leather production technical field more particularly to a kind of preparations of high-temperature resistant waterborne polyurethane artificial leather
Method.
Background technique
Polyurethane artificial leather is answered because of its feel close to corium and the cost lower than corium instead of leather material extensively
With, it may also reach up more attractive appearance, especially waterborne polyurethane artificial leather, it is organic molten due to being not suitable in its production process
No matter agent environmental protection aspect or all has great advantage to the safeguard protection of operator aspect, very promising.However it is aqueous
Polyurethane is that the linear macromolecule of one kind causes polyurethane temperature tolerance generally not high due to the linear structure that it has.State at present
Interior polyurethane resin for artificial leather starts tacky at 70-80 DEG C, and the difficulty of production operation is caused to increase in process of production,
Phenomena such as will appear coating shape, viscous ash in finished product use process, influence service life.
Application No. is a kind of high temperature resistant artificial leathers of the disclosure of the invention of CN201711496661.8 and preparation method thereof, by ring
Oxygen resin, low density polyethylene (LDPE), tea tree wood powder, fibroin, reinforcing agent, mica powder, brombutyl, is prevented nano-titanium dioxide
Old agent, phthalocyanine color, PP plastics, volcanic ash, palm oil are uniformly mixed, and 15min is stirred by ultrasonic, reacts 30- in a kettle
50min is sent into baking oven, and oven temperature is 80-90 DEG C, dries 15-25min, 5-15min is kept the temperature under 30-40 DEG C of environment, i.e.,
It can.There is each component dispersibility according to the method, finally in the invention method modified using physical mixed
Influence whether the quality stability of film forming, therefore chemically the modified heat-resisting quantity that improves is more efficient way in structure.
Summary of the invention
Therefore, for the above content, the present invention provides a kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather, from change
It learns and solves the disadvantage that prior art non-refractory is easily tacky in structure.
In order to achieve the above objectives, the present invention is achieved by the following technical solutions:
A kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather, steps are as follows:
(1) high-temperature resistant waterborne polyurethane lotion is prepared
Prepare raw material, as follows in parts by weight: 20-30 parts of castor oil, 20-30 parts of rapeseed oil, polyester polyol 40-
60 parts, 100-150 parts of aromatic diisocyanate, 0.1-0.2 parts of octoate catalyst stannous, 15-30 parts of diamine chain extenders,
10-15 parts of epoxy resin E51,20-30 parts of hydrophilic agent dihydromethyl propionic acid, hydrophilic agent trimethylolpropane polyoxypropylene polyoxy second
10-20 parts of alkene ether, 10-15 parts of amine neutralizer dimethylaminoethanol, 400-600 parts of deionized water；The polyester polyol is
Adipate polyester dihydric alcohol, polyadipate diglycol esterdiol, gathers oneself at one propylene glycol ester glycol of polyadipate ethylene glycol
Diacid ethylene glycol any one in diglycol ethylene esterdiol one by one；
Castor oil, rapeseed oil, polyester polyol are added in the reaction vessel, nitrogen is passed through after mixing evenly, in 100-
Vacuum dehydration 2-3 hours at 120 DEG C, it is cooled to 70-80 DEG C, aromatic diisocyanate is added, is warming up to 80-100 DEG C of reaction
2-3 hours；
It is cooled to 50-60 DEG C, stannous octoate, dihydromethyl propionic acid, trimethylolpropane polyoxy are added into reaction vessel
Propylene polyoxyethylene ether is warming up to 70-75 DEG C, and the reaction was continued 2-3 hours for heat preservation；
It is cooled to 40-50 DEG C, diamine chain extenders, epoxy resin E51 are added into reaction kettle, is stirred 10-15 minutes,
The reaction was continued at 40-50 DEG C 1-2 hours；
Under 2000-3000 revs/min of quick stirring, amine neutralizer is added into reaction kettle and deionized water is stirred
It mixes emulsification uniformly, obtains high-temperature resistant waterborne polyurethane lotion；
(2) preparation surface layer is twice of high-temperature resistant waterborne polyurethane lotion described in conventional bass surface roller coating, into baking oven
Drying；
(3) surface finish
Surface finish will be carried out obtained by step (2), by being embossed roll pressing decorative pattern, then sprayed surface ornamenting agent is dried,
12 hours are stood, finished product is obtained.
A further improvement is that: the polyester polyol is adipate polyester dihydric alcohol, the aromatic diisocyanates
Ester is methyl diphenylene diisocyanate (4,4 '-MDI) and 1,5- naphthalene diisocyanate (NDI) according to weight ratio (8-10): 2 is multiple
Match, the diamine chain extenders are polyethers triamine T-5000, polyether diamine D-2000, diethyl toluene diamine DETDA are according to weight
Amount is compounded than 1:2:7-1:5:10.
A further improvement is that: the formula of the surface finish agent is: 0.5-1 parts by weight mould inhibitor JL-ST201,3-5 weight
Measure part scraping-resistant agent 4660,2-4 parts by weight antistatic agent AT-P5,7-10 parts by weight hand feeling agent DK-845,100 parts by weight water, 20-
30 parts by weight of ethanol.
A further improvement is that: stannous octoate, dihydromethyl propionic acid, trimethylolpropane polyoxy are added into reaction vessel
10 parts by weight of organic rectorite powder, the preparation method of the organic rectorite powder can also be added while propylene polyoxyethylene ether
It is: under the conditions of ultrasonic oscillation, 10g rectorite powder is dispersed in 40-50ml deionized water, 4-6g hexadecane is added
Base trimethylammonium bromide reacts 2 hours at 60 DEG C, is then allowed to stand 12 hours, is then filtered with miillpore filter, filtering gained
Solid obtains filter cake to distill water washing three times, and filter cake is dried in vacuo 12 hours at 60 DEG C, and grinding obtains organic rectorite powder.
By using preceding solution, the beneficial effects of the present invention are:
1, the present invention makes surface layer, the preparation of the high-temperature resistant waterborne polyurethane using high-temperature resistant waterborne polyurethane lotion
Cheng Zhong passes through the choosing to raw material castor oil, rapeseed oil, polyester polyol, aromatic diisocyanate, epoxy resin E51
With improving the heat resistance of polyurethane from the angle of the soft segment of molecule, hard section and molecule part networking, prepared is artificial
Leather finished product softening temperature reaches 300-330 DEG C, is able to satisfy under the thermal extremes state during reprocessing and routine use and uses.
2, the further improved polyester polyol is adipate polyester dihydric alcohol, and the polyurethane of formation has more ester
Key, cohesive strength and adhesive force are strong, wearability and heat resistance with higher, and the aromatic diisocyanate is diphenylmethyl
Alkane diisocyanate (4,4 '-MDI) and 1,5- naphthalene diisocyanate (NDI) is according to weight ratio (8-10): 2 compoundings, 4,4 '-MDI
Strong with NDI molecular symmetry, wherein the phenyl ring content of NDI is high, and it is good that the two compounds the polyurethane heat resistant degradability to be formed, the binary
Amine chainextender is polyethers triamine T-5000, polyether diamine D-2000, diethyl toluene diamine DETDA according to weight ratio 1:2:7-1:
5:10 compounding, the symmetry of three is relatively good, and it is good to promote effect to heat resistance.
3, the formula of further improved surface finish agent, solve artificial leather it is subsequent using be likely to occur mildew,
It the problems such as electrostatic, coarse feel, handles in advance, user's using effect, perception are preferable, and ethyl alcohol plays solvent and bleeding agent
Effect, is conducive to finishing agent and penetrates into surface layer to be firmly combined, and formula used is through testing obtained effect optimum formula.
4, organic rectorite powder, dispersed more outstanding, the polyurethane molecular quilt of organic montmorillonite point is further added
It is strapped in inorganic interlayer, thermal stability is high.
Specific embodiment
Carry out the embodiment that the present invention will be described in detail below with reference to specific embodiment, how skill is applied to the present invention whereby
Art means solve technical problem, and the realization process for reaching technical effect can fully understand and implement.
Unless otherwise specified, the conventional hand that technological means employed in embodiment is well known to those skilled in the art
Section, used reagent and product are also available commercial.The source of agents useful for same, trade name and it is necessary to list it
Constituent person is indicated on the first occurrence.
Embodiment one
A kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather, steps are as follows:
(1) high-temperature resistant waterborne polyurethane lotion is prepared
Prepare raw material, as follows in parts by weight: 20 parts of castor oil, 20 parts of rapeseed oil, 40 parts of adipate polyester dihydric alcohol,
100 parts of aromatic diisocyanate, 0.1 part of octoate catalyst stannous, 15 parts of diamine chain extenders, 10 parts of epoxy resin E51, parent
20 parts of aqua dihydromethyl propionic acid, 10 parts of ether of hydrophilic agent trimethylolpropane polyoxyethylene polyoxypropylene, amine neutralizer diformazan ammonia
10 parts of base ethyl alcohol, 400 parts of deionized water；The aromatic diisocyanate is methyl diphenylene diisocyanate (4,4 '-MDI)
It is compounded with 1,5- naphthalene diisocyanate (NDI) according to weight ratio 8:2, the diamine chain extenders are polyethers triamine T-5000, gather
Ether diamine D-2000, diethyl toluene diamine DETDA are compounded according to weight ratio 1:2:7；
Castor oil, rapeseed oil, adipate polyester dihydric alcohol are added in the reaction vessel, is passed through nitrogen after mixing evenly,
Vacuum dehydration 2 hours at 100 DEG C are cooled to 70 DEG C, and aromatic diisocyanate is added, and are warming up to 80 DEG C and react 2 hours；
50 DEG C are cooled to, stannous octoate, dihydromethyl propionic acid, trimethylolpropane polyoxypropylene are added into reaction vessel
Polyoxyethylene ether is warming up to 70 DEG C, and the reaction was continued 2 hours for heat preservation；
40 DEG C are cooled to, diamine chain extenders, epoxy resin E51 are added into reaction kettle, is stirred 10 minutes, at 40 DEG C
The reaction was continued 1 hour；
Under 2000 revs/min of quick stirring, amine neutralizer is added into reaction kettle and deionized water is stirred cream
Change uniformly, obtains high-temperature resistant waterborne polyurethane lotion；
(2) surface layer, twice of the high-temperature resistant waterborne polyurethane lotion described in conventional bass surface roller coating, into baking oven are prepared
Drying；
(3) surface finish will carry out surface finish obtained by step (2), by being embossed roll pressing decorative pattern, stand 1 hour, make
It recoils to nature, then sprayed surface ornamenting agent, and drying stands 12 hours, obtains finished product, the surface finish agent
Formula is: 0.5 parts by weight mould inhibitor JL-ST201,3 parts by weight scraping-resistant agent, 4660,2 parts by weight antistatic agent AT-P5,7 parts by weight
Hand feeling agent DK-845,100 parts by weight water, 20 parts by weight of ethanol.
Contain a large amount of hydroxyl in castor oil, rapeseed oil, the polyurethane heat resistant function admirable synthesized with the component；Polyester-type
For polyalcohol compared with polyether-type, the polyurethane of formation contains polar ester group, can form hydrogen bond between internal not only hard section, but also soft
Polar group in section also partly can form hydrogen bond with the polar group in hard section, spread more evenly across hard section mutually can in soft
Duan Xiang plays the role of resilient, crosslinked point, therefore the polyurethane of polyester-type is got well than the heat resistance of polyether polyurethane；Fragrance
(cyclo) aliphatic diisocyanates contain phenyl ring rigid structure, and the polyurethane thermal stability of preparation is better than aliphatic；Diamine chain extenders energy
Urea bond is formed, urea bond polarity is stronger than the ammonia ester bond that dihydric alcohol is formed, and there are 2 hydrogen atoms that can form hydrogen bond in urea groups, has
Micro phase separation structure is formed conducive to polyurethane material, only one hydrogen atom can form hydrogen bond in urethano, so selecting binary
Amine chainextender is better than polyurethane heat resistant performance made from common glycol chain extender, and epoxy resin E51 has excellent heat steady
It is qualitative, it is polyol, branch point can be introduced into polyurethane backbone in polyurethane synthetic reaction, be allowed to part and formed
Reticular structure, to improve heat resistance.
Embodiment two
A kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather, steps are as follows:
(1) high-temperature resistant waterborne polyurethane lotion is prepared
Prepare raw material, as follows in parts by weight: 25 parts of castor oil, 25 parts of rapeseed oil, 50 parts of adipate polyester dihydric alcohol,
120 parts of aromatic diisocyanate, 0.2 part of octoate catalyst stannous, 20 parts of diamine chain extenders, 12 parts of epoxy resin E51, parent
25 parts of aqua dihydromethyl propionic acid, 15 parts of ether of hydrophilic agent trimethylolpropane polyoxyethylene polyoxypropylene, amine neutralizer diformazan ammonia
15 parts of base ethyl alcohol, 500 parts of deionized water；The aromatic diisocyanate is methyl diphenylene diisocyanate (4,4 '-MDI)
It is compounded with 1,5- naphthalene diisocyanate (NDI) according to weight ratio 9:2, the diamine chain extenders are polyethers triamine T-5000, gather
Ether diamine D-2000, diethyl toluene diamine DETDA are compounded according to weight ratio 1:3:8；
Castor oil, rapeseed oil, adipate polyester dihydric alcohol are added in the reaction vessel, is passed through nitrogen after mixing evenly,
Vacuum dehydration 2.5 hours at 110 DEG C are cooled to 75 DEG C, and aromatic diisocyanate is added, and are warming up to 90 DEG C and react 2.5 hours；
55 DEG C are cooled to, stannous octoate, dihydromethyl propionic acid, trimethylolpropane polyoxypropylene are added into reaction vessel
Polyoxyethylene ether, while 10 parts by weight of organic rectorite powder are added, 72 DEG C are warming up to, the reaction was continued 2.5 hours for heat preservation；It is described to have
The preparation method of machine rectorite powder is: under the conditions of ultrasonic oscillation, 10g rectorite powder being dispersed in 40ml deionized water
In, 4g cetyl trimethylammonium bromide is added, is reacted 2 hours at 60 DEG C, is then allowed to stand 12 hours, then with miillpore filter into
Row filtering filters obtained solid to distill water washing and obtains filter cake three times, and filter cake is dried in vacuo 12 hours at 60 DEG C, grinds
To organic rectorite powder；Rectorite is the special aluminium silicate mineral of crystal structure, by class mica elementary layer and class montmorillonite list
First layer is alternately accumulated regularly under special natural condition, but is not the simple combination of the two, has unique physics special
Property, such as high-temperature stability, polymolecularity, high-ductility, the high temperature resistance and wear-resisting property of film forming can be improved；
45 DEG C are cooled to, diamine chain extenders, epoxy resin E51 are added into reaction kettle, is stirred 12 minutes, at 45 DEG C
The reaction was continued 1.5 hours；
Under 2500 revs/min of quick stirring, amine neutralizer is added into reaction kettle and deionized water is stirred cream
Change uniformly, obtains high-temperature resistant waterborne polyurethane lotion；
(2) surface layer, twice of the high-temperature resistant waterborne polyurethane lotion described in conventional bass surface roller coating, into baking oven are prepared
Drying；
(3) surface finish will carry out surface finish obtained by step (2), by being embossed roll pressing decorative pattern, stand 1 hour, make
It recoils to nature, then sprayed surface ornamenting agent, and drying stands 12 hours, and curing obtains finished product, the surface finish
The formula of agent is: 1 parts by weight mould inhibitor JL-ST201,4 parts by weight scraping-resistant agent, 4660,3 parts by weight antistatic agent AT-P5,8 weight
Part hand feeling agent DK-845,100 parts by weight water, 25 parts by weight of ethanol.
Embodiment three
A kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather, steps are as follows:
(1) high-temperature resistant waterborne polyurethane lotion is prepared
Prepare raw material, as follows in parts by weight: 30 parts of castor oil, 30 parts of rapeseed oil, 60 parts of adipate polyester dihydric alcohol,
150 parts of aromatic diisocyanate, 0.2 part of octoate catalyst stannous, 30 parts of diamine chain extenders, 15 parts of epoxy resin E51, parent
30 parts of aqua dihydromethyl propionic acid, 20 parts of ether of hydrophilic agent trimethylolpropane polyoxyethylene polyoxypropylene, amine neutralizer diformazan ammonia
12 parts of base ethyl alcohol, 600 parts of deionized water；The aromatic diisocyanate is methyl diphenylene diisocyanate (4,4 '-MDI)
It is compounded with 1,5- naphthalene diisocyanate (NDI) according to weight ratio 10:2, the diamine chain extenders are polyethers triamine T-5000, gather
Ether diamine D-2000, diethyl toluene diamine DETDA are compounded according to weight ratio 1:5:10；
Castor oil, rapeseed oil, adipate polyester dihydric alcohol are added in the reaction vessel, is passed through nitrogen after mixing evenly,
Vacuum dehydration 3 hours at 120 DEG C are cooled to 80 DEG C, and aromatic diisocyanate is added, and are warming up to 100 DEG C and react 3 hours；
60 DEG C are cooled to, the stannous octoate, dihydromethyl propionic acid, trimethylolpropane polyoxy are added into reaction vessel
Propylene polyoxyethylene ether, while 10 parts by weight of organic rectorite powder are added, 75 DEG C are warming up to, the reaction was continued 3 hours for heat preservation；It is described
The preparation method of organic rectorite powder is: under the conditions of ultrasonic oscillation, 10g rectorite powder being dispersed in 50ml deionization
In water, 6g cetyl trimethylammonium bromide is added, is reacted 2 hours at 60 DEG C, is then allowed to stand 12 hours, then uses miillpore filter
It is filtered, filters obtained solid to distill water washing and obtain filter cake three times, filter cake is dried in vacuo 12 hours at 60 DEG C, grinding
Obtain organic rectorite powder；
50 DEG C are cooled to, diamine chain extenders, epoxy resin E51 are added into reaction kettle, is stirred 15 minutes, at 50 DEG C
The reaction was continued 2 hours；
Under 3000 revs/min of quick stirring, amine neutralizer is added into reaction kettle and deionized water is stirred cream
Change uniformly, obtains high-temperature resistant waterborne polyurethane lotion；
(2) surface layer, twice of the high-temperature resistant waterborne polyurethane lotion described in conventional bass surface roller coating, into baking oven are prepared
Drying；
(3) surface finish will carry out surface finish obtained by step (2), by being embossed roll pressing decorative pattern, stand 2 hours, make
It recoils to nature, then sprayed surface ornamenting agent, and drying stands 12 hours, and curing obtains finished product, the surface finish
The formula of agent is: 1 parts by weight mould inhibitor JL-ST201,5 parts by weight scraping-resistant agent, 4660,4 parts by weight antistatic agent AT-P5,10 weights
Measure part hand feeling agent DK-845,100 parts by weight water, 30 parts by weight of ethanol.
In the present invention, the polyester polyol may be one propylene glycol ester glycol of polyadipate ethylene glycol, gather oneself two
Sour diglycol esterdiol, polyadipate ethylene glycol any one in diglycol ethylene esterdiol one by one；The fragrance
(cyclo) aliphatic diisocyanates may be the diisocyanate containing phenyl ring such as paraphenylene diisocyanate, toluene diisocyanate vinegar, and described two
First amine chainextender may be isophorone diamine, diethyl toluene diamine, 3,5- dimethythiotoluene diamine.Equal Diamines expand
Chain agent.
In the present invention, the mould inhibitor JL-ST201 originates from Foshan giant dragon High Seience Technology Co., Ltd., the scraping-resistant agent
4660 originate from the city Dong Guan JingLong plastifying material Co., Ltd, and the antistatic agent AT-P5 originates from the white biotechnology that Guangzhou is built
Co., Ltd, the hand feeling agent DK-845 originate from the triumphant silicon materials Co., Ltd in Haidian.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the patents of this creation opinion, and is not limited to those disclosed embodiments.
Claims (4)
1. a kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather, it is characterised in that: steps are as follows:
(1) high-temperature resistant waterborne polyurethane lotion is prepared
Prepare raw material, as follows in parts by weight: 20-30 parts of castor oil, 20-30 parts of rapeseed oil, polyester polyol 40-60
Part, 100-150 parts of aromatic diisocyanate, 0.1-0.2 parts of octoate catalyst stannous, 15-30 parts of diamine chain extenders, 10-
15 parts of epoxy resin E51,20-30 parts of hydrophilic agent dihydromethyl propionic acid, hydrophilic agent trimethylolpropane polyoxyethylene polyoxypropylene
10-20 parts of ether, 10-15 parts of amine neutralizer dimethylaminoethanol, 400-600 parts of deionized water；The polyester polyol is for oneself
Diacid polyester diol, polyadipate diglycol esterdiol, gathers oneself two at one propylene glycol ester glycol of polyadipate ethylene glycol
Sour ethylene glycol any one in diglycol ethylene esterdiol one by one；
Castor oil, rapeseed oil, polyester polyol are added in the reaction vessel, nitrogen is passed through after mixing evenly, at 100-120 DEG C
Lower vacuum dehydration 2-3 hours is cooled to 70-80 DEG C, and aromatic diisocyanate is added, it is small to be warming up to 80-100 DEG C of reaction 2-3
When；
It is cooled to 50-60 DEG C, stannous octoate, dihydromethyl propionic acid, trimethylolpropane polyoxypropylene are added into reaction vessel
Polyoxyethylene ether is warming up to 70-75 DEG C, and the reaction was continued 2-3 hours for heat preservation；
It is cooled to 40-50 DEG C, diamine chain extenders, epoxy resin E51 are added into reaction kettle, is stirred 10-15 minutes, in 40-
The reaction was continued at 50 DEG C 1-2 hours；
Under 2000-3000 revs/min of quick stirring, amine neutralizer is added into reaction kettle and deionized water is stirred cream
Change uniformly, obtains high-temperature resistant waterborne polyurethane lotion；
(2) surface layer, twice of the high-temperature resistant waterborne polyurethane lotion described in conventional bass surface roller coating, into drying in baking oven are prepared
It is dry；
(3) surface finish will carry out surface finish, by being embossed roll pressing decorative pattern, then sprayed surface ornamenting obtained by step (2)
Agent, drying stand 12 hours, obtain finished product.
2. a kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather according to claim 1, it is characterised in that: it is described
Polyester polyol be adipate polyester dihydric alcohol, the aromatic diisocyanate be methyl diphenylene diisocyanate (4,
4 '-MDI) and 1,5- naphthalene diisocyanate (NDI) is according to weight ratio (8-10): 2 compoundings, and the diamine chain extenders are polyethers three
Amine T-5000, polyether diamine D-2000, diethyl toluene diamine DETDA are compounded according to weight ratio 1:2:7-1:5:10.
3. a kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather according to claim 2, it is characterised in that: it is described
The formula of surface finish agent is: 0.5-1 parts by weight mould inhibitor JL-ST201,3-5 parts by weight scraping-resistant agent 4660, and 2-4 parts by weight are anti-
Electrostatic agent AT-P5,7-10 parts by weight hand feeling agent DK-845,100 parts by weight water, 20-30 parts by weight of ethanol.
4. a kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather according to claim 1, it is characterised in that: to anti-
Answering can be with while stannous octoate, dihydromethyl propionic acid, trimethylolpropane polyoxyethylene polyoxypropylene ether are added in container
10 parts by weight of organic rectorite powder are added, the preparation method of the organic rectorite powder is:, will under the conditions of ultrasonic oscillation
10g rectorite powder is dispersed in 40-50ml deionized water, and 4-6g cetyl trimethylammonium bromide is added, anti-at 60 DEG C
It answers 2 hours, is then allowed to stand 12 hours, is then filtered with miillpore filter, filter obtained solid to distill water washing and obtain three times
To filter cake, filter cake is dried in vacuo 12 hours at 60 DEG C, and grinding obtains organic rectorite powder.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645469A (en) * | 2022-03-22 | 2022-06-21 | 宋金火 | Formula and process for producing microfiber synthetic leather by finishing waterborne polyurethane foam |
| CN114657795A (en) * | 2022-03-31 | 2022-06-24 | 无锡市曼优丽新型复合材料有限公司 | High-temperature-resistant artificial leather and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0994136A1 (en) * | 1998-10-16 | 2000-04-19 | Bayer Ag | Aqueous polyurethane dispersions |
| CN102618204A (en) * | 2012-04-01 | 2012-08-01 | 江阴市诺科科技有限公司 | Hot-melt adhesive for bonding layer of artificial leather and preparation method as well as application thereof |
| CN107501506A (en) * | 2017-08-15 | 2017-12-22 | 杭州吉华高分子材料股份有限公司 | A kind of high-temperature resistant waterborne polyurethane and preparation method thereof |
| CN108468226A (en) * | 2018-03-08 | 2018-08-31 | 江西铭川科技实业有限公司 | A kind of composite modified waterborne polyurethane synthetic leather |
| CN108505350A (en) * | 2018-06-01 | 2018-09-07 | 广州可那派英皮具有限公司 | A kind of composite leather and its manufacturing method |
-
2018
- 2018-09-12 CN CN201811064291.5A patent/CN109371699A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0994136A1 (en) * | 1998-10-16 | 2000-04-19 | Bayer Ag | Aqueous polyurethane dispersions |
| CN102618204A (en) * | 2012-04-01 | 2012-08-01 | 江阴市诺科科技有限公司 | Hot-melt adhesive for bonding layer of artificial leather and preparation method as well as application thereof |
| CN107501506A (en) * | 2017-08-15 | 2017-12-22 | 杭州吉华高分子材料股份有限公司 | A kind of high-temperature resistant waterborne polyurethane and preparation method thereof |
| CN108468226A (en) * | 2018-03-08 | 2018-08-31 | 江西铭川科技实业有限公司 | A kind of composite modified waterborne polyurethane synthetic leather |
| CN108505350A (en) * | 2018-06-01 | 2018-09-07 | 广州可那派英皮具有限公司 | A kind of composite leather and its manufacturing method |
Non-Patent Citations (2)
| Title |
|---|
| 杨建军等: "《合成革用水性聚氨酯树脂的改性研究进展》", 《精细化工》 * |
| 汤中道等: "《有机累托石改性环氧/水性聚氨酯复合膜的制备与性能》", 《化工新型材料》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645469A (en) * | 2022-03-22 | 2022-06-21 | 宋金火 | Formula and process for producing microfiber synthetic leather by finishing waterborne polyurethane foam |
| CN114657795A (en) * | 2022-03-31 | 2022-06-24 | 无锡市曼优丽新型复合材料有限公司 | High-temperature-resistant artificial leather and preparation method thereof |
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Effective date of registration: 20200925 Address after: 366100 Datian County of Sanming City Fujian province Jingkou Industrial Zone Applicant after: Fujian xinlongshang Super Fiber Co., Ltd Address before: Gold town, West Ring Road of Jinjiang city in Fujian province 362200 Quanzhou city edge (Technology Industrial Zone) Applicant before: FUJIAN LONGSHANG MICROFIBER Co.,Ltd. |
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