CN105507008A - Low-cost high-quality imitation leather automobile interior material added with waste polyurethane and preparation method thereof - Google Patents

Low-cost high-quality imitation leather automobile interior material added with waste polyurethane and preparation method thereof Download PDF

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Publication number
CN105507008A
CN105507008A CN201610048793.3A CN201610048793A CN105507008A CN 105507008 A CN105507008 A CN 105507008A CN 201610048793 A CN201610048793 A CN 201610048793A CN 105507008 A CN105507008 A CN 105507008A
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China
Prior art keywords
parts
polyurethane
minutes
waste polyurethane
base cloth
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CN201610048793.3A
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陈峻
章云
张娉
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WUHU HUANRUI AUTO INTERIOR DECORATION CO Ltd
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WUHU HUANRUI AUTO INTERIOR DECORATION CO Ltd
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Priority to CN201610048793.3A priority Critical patent/CN105507008A/en
Publication of CN105507008A publication Critical patent/CN105507008A/en
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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
    • D06N3/0002—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
    • D06N3/0011—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 non-woven fabrics
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    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
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    • D06M11/68—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
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    • 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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    • 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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    • D06N3/0088—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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    • 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
    • D06N3/141—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 two or more polyurethanes in the same layer
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    • 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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Abstract

The invention discloses a low-cost high-quality imitation leather automobile interior material added with waste polyurethane. The automobile interior material is prepared from, by weight, 75-77 parts of polyamide-6, 25-26 parts of alkali-soluble polyester chips, an appropriate amount of sodium hydroxide solution with the concentration of 20%, 40-43 parts of waterborne polyurethane, 5-6 parts of nano-sized magnesium hydroxide, 3-4 parts of ammonium polyphosphate, 5-6 parts of sodium dodecyl benzene sulfonate, 3-4 parts of rutile titanium white color paste, an appropriate amount of water, 0.8-1 part of sodium polyacrylate, 10-13 parts of the waste polyurethane, 1.5-2 parts of antioxidant 1076, 2-3 parts of propylene glycol, 6-7 parts of acetyl tributyl citrate, 1-1.3 parts of cocoanut fatty acid diethanolamide and 4-5 parts of zeolite powder. According to the low-cost high-quality imitation leather automobile interior material added with the waste polyurethane, an appropriate amount of the waste polyurethane is utilized for being modified through a technology to replace partial waterborne polyurethane, energy conservation and emission reduction are achieved, the production cost is reduced, and the imitation leather material prepared through the technology is resistant to corrosion, high in toughness, high in abrasion resistance and resistant to aging and flame.

Description

A kind of low-cost and high-quality imitation leather automotive interior material adding waste polyurethane and preparation method thereof
Technical field
The present invention relates to synthetic leather field of material technology, particularly relate to a kind of low-cost and high-quality imitation leather automotive interior material adding waste polyurethane and preparation method thereof.
Background technology
Along with rapid development of economy, the living standard of people is more and more higher, also improves gradually the requirement of quality of life.The demand of leather and fur products is increasing, and class is also more and more higher.China's population multiple resource is few, corium limited source, is difficult to the demand meeting people.Nowadays interior leather for automobiles has been widely used in the inside gadget of riding vehicle, carrier.Along with growth in the living standard, people are also more and more higher to the quality requirement of interior leather for automobiles, environmental requirement, comfort requirement.Automotive trim is removed from office, and optimal selection is corium, but corium contaminated environment in himself production process is serious, and content of beary metal easily exceeds standard, and in inside gadget process, lumber recovery is lower, and its cost is high, is difficult to by low and middle-grade passenger car is accepted; And people pay attention to gradually to environmental protection, advocating today of environmental protection and energy saving, sustainable development, people also start to develop leather fabric to replace animal's leather, to avoid the injury to wild animal and the destruction to natural environment.
At present, the positions such as automobile door plate, face fabric for automobile seat, instrument board, compartment inwall, Roof of vehicle, steering wheel cover, the main material adopting non-weaving cloth etc. and the compound such as polyvinyl chloride, polyurethane.There is the defects such as Boardy Feeling, comfortableness are poor, loss of properties on aging, smell weight, the easy migration precipitation of plasticizer in common polyvinyl chloride dermatine, thus common PVC artificial leather at present in automotive trim gradually replace by polyurethane (PU) synthetic leather.And the production of Synthetic Leather adopts solvent type production system, the use of a large amount of organic solvent, not only contaminated environment, and the health seriously compromising people.Along with the reinforcement of environmental regulation and people's environmental consciousness, waterborne polyurethane synthetic leather technology becomes the study hotspot in this field.
Therefore, manufacture and a kind of with corium, there is same sense of touch, comfortable equally, and environmentally friendly, physical properties is identical with corium or exceed the research and development task that genuine imitation leather interior leather for automobiles becomes artificial leather production field.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of low-cost and high-quality imitation leather automotive interior material adding waste polyurethane and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of low-cost and high-quality imitation leather automotive interior material adding waste polyurethane, be made up of the raw material of following weight portion: polyamide-675-77, alkali soluble polyester chip 25-26, concentration is that 20% sodium hydroxide solution is appropriate, aqueous polyurethane 40-43, nano-sized magnesium hydroxide 5-6, APP 3-4, neopelex 5-6, rutile titanium stock white 3-4, water is appropriate, Sodium Polyacrylate 0.8-1, waste polyurethane 10-13, antioxidant 1076 1.5-2, propylene glycol 2-3, tributyl 2-acetylcitrate 6-7, cocoanut fatty acid diethanolamide 1-1.3, zeolite powder 4-5.
A kind of low-cost and high-quality imitation leather automotive interior material adding waste polyurethane according to claims 1, is prepared from by following concrete grammar:
(1) rear for polyamide-6 section and alkali soluble polyester chip are carried out drying respectively, control moisture and be less than 1%, enter fabric of island-in-sea type spinning pack respectively by respective singe screw spinning machine stirring melting and carry out spray silk, the tow obtained through drawing-off (at temperature is 75 DEG C drawing-off 3.5 times), oil, reel, dry (drying 5-10 minute for 55-65 DEG C), cut off (control fibre length is 50-55mm, and fiber number is 5-7dtex) and obtain composite superfine staple; After shredding cotton, adopted by composite superfine staple carding machine to be carded to single layer fibre net, then composite bed fiber web is formed through cross lapping machine, puncture on needing machine again, finally utilize bead cutter cutting neat, under the condition of 120-140 DEG C, carry out thermal contraction fixation, obtain superfine fiber synthetic leather base cloth;
(2) neopelex is dissolved in the water of 5 times amount, add nano-sized magnesium hydroxide, the aqueous polyurethane of rutile titanium stock white APP and half amount, be heated to 50 DEG C, after stirring 15 minutes with the speed of 500 revs/min, 10 minutes are stirred again with the speed of 1000 revs/min, obtain nano modified material emulsion, put it in dipping tank, then by above-mentioned superfine fiber synthetic leather base cloth dipping wherein, through roll pressed after abundant dipping, base cloth is taken out and puts into baking oven, fully dry at the temperature of 120-130 DEG C, obtain fire-retardant anti-solarization modified superfine fiber synthetic leather base cloth,
(3) above-mentioned fire-retardant anti-solarization modified superfine fiber synthetic leather base cloth being immersed concentration is in 20% sodium hydroxide solution, is heated to 60-70 DEG C, soaks 40 minutes, extracts alkali soluble polyester out and carries out fibrillation process, wash rear dried for standby;
(4) granule is ground into after waste polyurethane being cleaned oven dry, then banbury is put into, add antioxidant 1076, propylene glycol, zeolite powder, temperature control is at 70-75 DEG C, banburying discharging after 20 minutes, continues to be fed in double screw extruder, with the temperature extruding pelletization of 160 DEG C, pulverize after cooling, cross 200 mesh sieves and form polyurethane powder; Cocoanut fatty acid diethanolamide is dissolved in the water of 10 times amount, count above-mentioned polyurethane powder, after stirring 15 minutes with the speed of 600 revs/min, put into grinding machine for grinding 10 minutes, continue the aqueous polyurethane and all the other residual componentss that add surplus, high-speed stirred 10 minutes, obtains modified aqueous polyurethane slurry;
(5) Ji Bu that step (3) obtains is immersed in above-mentioned modified aqueous polyurethane slurry, through roll pressed after abundant dipping, base cloth is taken out and puts into baking oven, first with the temperature of 80 DEG C drying 5 minutes, its moisture is volatilized under controlled condition, then is warming up to dry 5 minutes of 100 DEG C of continuation, be finally warming up to 140 DEG C, make its complete crosslinking curing film forming of surface, make material of the present invention through operations such as sanding, dyeing, embossing, Final finishing afterwards.
Advantage of the present invention is: first the present invention adds the alkaline-resisting components matching aqueous polyurethane such as nano-sized magnesium hydroxide, rutile titanium stock white and carry out first time to the synthetic leather base cloth that polyamide-6, polyester mixed fiber are made and flood modification, in the surface making nano particle cover base cloth uniformly and gap, form good fire-retardant, sun-proof result; No longer adopt toluene afterwards but utilize NaOH to carry out fibrillation to modified Ji Bu, organic solvent residual can not be caused in the product while the surface forming how empty warp, to human body and Environmental security close friend.The present invention's twice maceration extract all adopts aqueous polyurethane, the solvent borne polyurethane of abandoning tradition, have nontoxicly not remain, do not fire, advantage free from environmental pollution, and remain that the good processability of solvent borne polyurethane, product mechanical strength are high, good springiness, wear-resisting premium properties.
The present invention utilizes appropriate waste polyurethane by process modification Substitute For Partial aqueous polyurethane, not only energy-saving and emission-reduction, reduce production cost, and modified waste polyurethane properties can not be given a discount, the imitation leather material utilizing present invention process to make is corrosion-resistant, high-ductility, high abrasion, ageing-resistant, fire-retardant, can production High-quality automobile inside gadget.
Detailed description of the invention
Add a low-cost and high-quality imitation leather automotive interior material for waste polyurethane, be made up of the raw material of following weight portion: polyamide-675, alkali soluble polyester chip 25, concentration are that 20% sodium hydroxide solution is appropriate, aqueous polyurethane 40, nano-sized magnesium hydroxide 5, APP 3, neopelex 5, rutile titanium stock white 3, water are appropriate, Sodium Polyacrylate 0.8, waste polyurethane 10, antioxidant 1076 1.5, propylene glycol 2, tributyl 2-acetylcitrate 6, cocoanut fatty acid diethanolamide 1, zeolite powder 4.
A kind of low-cost and high-quality imitation leather automotive interior material adding waste polyurethane according to claims 1, is prepared from by following concrete grammar:
(1) rear for polyamide-6 section and alkali soluble polyester chip are carried out drying respectively, control moisture and be less than 1%, enter fabric of island-in-sea type spinning pack respectively by respective singe screw spinning machine stirring melting and carry out spray silk, the tow obtained through drawing-off (at temperature is 75 DEG C drawing-off 3.5 times), oil, reel, dry (drying 5 minutes for 55 DEG C), cut off (control fibre length is 50mm, and fiber number is 5dtex) and obtain composite superfine staple; After shredding cotton, adopted by composite superfine staple carding machine to be carded to single layer fibre net, then composite bed fiber web is formed through cross lapping machine, puncture on needing machine again, finally utilize bead cutter cutting neat, under the condition of 120 DEG C, carry out thermal contraction fixation, obtain superfine fiber synthetic leather base cloth;
(2) neopelex is dissolved in the water of 5 times amount, add nano-sized magnesium hydroxide, the aqueous polyurethane of rutile titanium stock white APP and half amount, be heated to 50 DEG C, after stirring 15 minutes with the speed of 500 revs/min, 10 minutes are stirred again with the speed of 1000 revs/min, obtain nano modified material emulsion, put it in dipping tank, then by above-mentioned superfine fiber synthetic leather base cloth dipping wherein, through roll pressed after abundant dipping, base cloth is taken out and puts into baking oven, fully dry at the temperature of 120 DEG C, obtain fire-retardant anti-solarization modified superfine fiber synthetic leather base cloth,
(3) above-mentioned fire-retardant anti-solarization modified superfine fiber synthetic leather base cloth being immersed concentration is in 20% sodium hydroxide solution, is heated to 60 DEG C, soaks 40 minutes, extracts alkali soluble polyester out and carries out fibrillation process, wash rear dried for standby;
(4) granule is ground into after waste polyurethane being cleaned oven dry, then banbury is put into, add antioxidant 1076, propylene glycol, zeolite powder, temperature control is at 70 DEG C, banburying discharging after 20 minutes, continues to be fed in double screw extruder, with the temperature extruding pelletization of 160 DEG C, pulverize after cooling, cross 200 mesh sieves and form polyurethane powder; Cocoanut fatty acid diethanolamide is dissolved in the water of 10 times amount, count above-mentioned polyurethane powder, after stirring 15 minutes with the speed of 600 revs/min, put into grinding machine for grinding 10 minutes, continue the aqueous polyurethane and all the other residual componentss that add surplus, high-speed stirred 10 minutes, obtains modified aqueous polyurethane slurry;
(5) Ji Bu that step (3) obtains is immersed in above-mentioned modified aqueous polyurethane slurry, through roll pressed after abundant dipping, base cloth is taken out and puts into baking oven, first with the temperature of 80 DEG C drying 5 minutes, its moisture is volatilized under controlled condition, then is warming up to dry 5 minutes of 100 DEG C of continuation, be finally warming up to 140 DEG C, make its complete crosslinking curing film forming of surface, make material of the present invention through operations such as sanding, dyeing, embossing, Final finishing afterwards.
The simulated leather material that the present invention obtains is through a series of detection, data are as follows: tear load and be greater than 80N, peel load is greater than 70(N/20mm), 23 DEG C of 100,000 folding fastness are Pyatyi,-10 DEG C of 40,000 folding fastness are Pyatyi, xerotripsis grade Pyatyi, wet rubbing grade level Four, soak in the NaOH of alkaline-resisting 10% when the peel strength after 24 hours to remain under more than 80%, 1000g loading conditions mill 500 times without damaged.

Claims (2)

1. one kind is added the low-cost and high-quality imitation leather automotive interior material of waste polyurethane, it is characterized in that, be made up of the raw material of following weight portion: polyamide-675-77, alkali soluble polyester chip 25-26, concentration is that 20% sodium hydroxide solution is appropriate, aqueous polyurethane 40-43, nano-sized magnesium hydroxide 5-6, APP 3-4, neopelex 5-6, rutile titanium stock white 3-4, water is appropriate, Sodium Polyacrylate 0.8-1, waste polyurethane 10-13, antioxidant 1076 1.5-2, propylene glycol 2-3, tributyl 2-acetylcitrate 6-7, cocoanut fatty acid diethanolamide 1-1.3, zeolite powder 4-5.
2. a kind of low-cost and high-quality imitation leather automotive interior material adding waste polyurethane according to claims 1, is characterized in that, be prepared from by following concrete grammar:
(1) rear for polyamide-6 section and alkali soluble polyester chip are carried out drying respectively, control moisture and be less than 1%, enter fabric of island-in-sea type spinning pack respectively by respective singe screw spinning machine stirring melting and carry out spray silk, the tow obtained through drawing-off (at temperature is 75 DEG C drawing-off 3.5 times), oil, reel, dry (drying 5-10 minute for 55-65 DEG C), cut off (control fibre length is 50-55mm, and fiber number is 5-7dtex) and obtain composite superfine staple; After shredding cotton, adopted by composite superfine staple carding machine to be carded to single layer fibre net, then composite bed fiber web is formed through cross lapping machine, puncture on needing machine again, finally utilize bead cutter cutting neat, under the condition of 120-140 DEG C, carry out thermal contraction fixation, obtain superfine fiber synthetic leather base cloth;
(2) neopelex is dissolved in the water of 5 times amount, add nano-sized magnesium hydroxide, the aqueous polyurethane of rutile titanium stock white APP and half amount, be heated to 50 DEG C, after stirring 15 minutes with the speed of 500 revs/min, 10 minutes are stirred again with the speed of 1000 revs/min, obtain nano modified material emulsion, put it in dipping tank, then by above-mentioned superfine fiber synthetic leather base cloth dipping wherein, through roll pressed after abundant dipping, base cloth is taken out and puts into baking oven, fully dry at the temperature of 120-130 DEG C, obtain fire-retardant anti-solarization modified superfine fiber synthetic leather base cloth,
(3) above-mentioned fire-retardant anti-solarization modified superfine fiber synthetic leather base cloth being immersed concentration is in 20% sodium hydroxide solution, is heated to 60-70 DEG C, soaks 40 minutes, extracts alkali soluble polyester out and carries out fibrillation process, wash rear dried for standby;
(4) granule is ground into after waste polyurethane being cleaned oven dry, then banbury is put into, add antioxidant 1076, propylene glycol, zeolite powder, temperature control is at 70-75 DEG C, banburying discharging after 20 minutes, continues to be fed in double screw extruder, with the temperature extruding pelletization of 160 DEG C, pulverize after cooling, cross 200 mesh sieves and form polyurethane powder; Cocoanut fatty acid diethanolamide is dissolved in the water of 10 times amount, count above-mentioned polyurethane powder, after stirring 15 minutes with the speed of 600 revs/min, put into grinding machine for grinding 10 minutes, continue the aqueous polyurethane and all the other residual componentss that add surplus, high-speed stirred 10 minutes, obtains modified aqueous polyurethane slurry;
(5) Ji Bu that step (3) obtains is immersed in above-mentioned modified aqueous polyurethane slurry, through roll pressed after abundant dipping, base cloth is taken out and puts into baking oven, first with the temperature of 80 DEG C drying 5 minutes, its moisture is volatilized under controlled condition, then is warming up to dry 5 minutes of 100 DEG C of continuation, be finally warming up to 140 DEG C, make its complete crosslinking curing film forming of surface, make material of the present invention through operations such as sanding, dyeing, embossing, Final finishing afterwards.
CN201610048793.3A 2016-01-26 2016-01-26 Low-cost high-quality imitation leather automobile interior material added with waste polyurethane and preparation method thereof Pending CN105507008A (en)

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