CN105986490A - Microfiber polyurethane high-simulation leather material with good touch for automotive interiors and preparation method of microfiber polyurethane high-simulation leather material - Google Patents

Microfiber polyurethane high-simulation leather material with good touch for automotive interiors and preparation method of microfiber polyurethane high-simulation leather material Download PDF

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Publication number
CN105986490A
CN105986490A CN201610048807.1A CN201610048807A CN105986490A CN 105986490 A CN105986490 A CN 105986490A CN 201610048807 A CN201610048807 A CN 201610048807A CN 105986490 A CN105986490 A CN 105986490A
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China
Prior art keywords
parts
leather material
minutes
polyurethane
dried
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Pending
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CN201610048807.1A
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Chinese (zh)
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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 CN201610048807.1A priority Critical patent/CN105986490A/en
Publication of CN105986490A publication Critical patent/CN105986490A/en
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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
    • D06N3/0002—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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D06M11/00—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
    • 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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    • D06M11/32—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
    • D06M11/70—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 with oxides of phosphorus; with hypophosphorous, phosphorous or phosphoric acids or their salts
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    • 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
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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
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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
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    • 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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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Dispersion Chemistry (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Abstract

The invention discloses a microfiber polyurethane high-simulation leather material with good touch for automotive interiors. The microfiber polyurethane high-simulation leather material with good touch for automotive interiors is prepared from raw materials: by weight, 75-77 parts of polyamide-6, 25-26 parts of alkali-soluble polyester chips, an appropriate amount of sodium hydroxide solution 20% in concentration, 50-53 parts of waterborne polyurethane, 5-6 parts of nano-magnesium hydroxide, 3-4 parts of ammonium polyphosphate, 5-6 parts of sodium dodecyl benzene sulfonate, 3-4 parts of rutile titanium dioxide mill base, an appropriate amount of water, 2-3 parts of tallow, 1-2 parts of paraffin, 1.2-1.5 parts of coconut diethanol amide, 1-1.2 parts of peregal-O, 0.5-0.6 part of hexadecyl lactate, 4-5 parts of pure acrylic emulsion and 3-4 parts of pine sawdust. The high-simulation leather material made by the method has the advantages of good breathability, high slipperiness without adhesion, high softness and high quality.

Description

A kind of super fibre-polyurethane height emulational leather material good for the feel of automotive trim and preparation method thereof
Technical field
The present invention relates to synthetic leather field of material technology, particularly relate to a kind of super fibre-polyurethane height emulational leather material good for the feel of automotive trim and preparation method thereof.
Background technology
With rapid development of economy, the living standard of people is more and more higher, and the requirement to quality of life also gradually steps up.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, it is difficult to meet the demand of people.Nowadays interior leather for automobiles has been widely used in the inside gadget of riding vehicle, carrier.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 pollutes environment seriously in himself production process, and content of beary metal easily exceeds standard, and in inside gadget process, lumber recovery is relatively low, and its cost is high, it is difficult to accepted by low and middle-grade passenger cars；And environmental protection is gradually paid attention to by people, advocating environmental protection and energy saving, today of sustainable development, people also begin 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 using non-weaving cloth etc. to be combined with polyvinyl chloride, polyurethane etc..There is the defects such as Boardy Feeling, comfortableness difference, loss of properties on aging, smell weight, the easy migration precipitation of plasticizer in common polyvinyl chloride dermatine, so the common PVC artificial leather in current automotive trim is gradually replaced by polyurethane (PU) synthetic leather.And the production of Synthetic Leather uses solvent type production system, the use of a large amount of organic solvents, not only pollute environment, and seriously compromise the health of people.With the reinforcement of environmental regulation and people's environmental consciousness, waterborne polyurethane synthetic leather technology becomes the study hotspot in this field.
Therefore, sense of touch as one has is manufactured with corium, comfortable equally and environmentally friendly, physical properties is identical with corium or exceedes the research and development task that genuine imitation leather interior leather for automobiles becomes artificial leather production field.
Content of the invention
The object of the invention is contemplated to make up the defect of prior art, provides a kind of super fibre-polyurethane height emulational leather material good for the feel of automotive trim and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of super fibre-polyurethane height emulational leather material good for the feel of automotive trim, is prepared by the raw materials in: polyamide-675-77, alkali soluble polyester chip 25-26, concentration are that 20% sodium hydroxide solution is appropriate, aqueous polyurethane 50-53, nano-sized magnesium hydroxide 5-6, APP 3-4, neopelex 5-6, rutile titanium stock white 3-4, water appropriate, tallow 2-3, paraffin 1-2, cocoanut fatty acid diethanolamide 1.2-1.5, paregal O 1-1.2, cetyl lactate 0.5-0.6, pure-acrylic emulsion 4-5, pine sawdust 3-4.
A kind of super fibre-polyurethane height emulational leather material good for the feel of automotive trim according to claims 1, is prepared from by following concrete grammar:
(1) it is dried respectively with alkali soluble polyester chip after polyamide-6 being cut into slices, control water content is less than 1%, carry out spinneret by the melted fabric of island-in-sea type spinning pack that enters of respective single extruder type spinning machine stirring respectively, the tow obtaining through drawing-off (being drawing-off 3.5 times at 75 DEG C in temperature), oil, wind, be dried (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；Composite superfine staple use after shredding is cotton carding machine be carded to single layer fibre net, it is then passed through cross lapping machine and form composite bed fleece, puncture on needing machine again, finally utilize bead cutter cutting neat, carry out thermal contraction fixation under conditions of 120-140 DEG C, obtain superfine fiber synthetic leather base cloth；
(2) neopelex is dissolved in the water of 5 times amount, add nano-sized magnesium hydroxide, rutile titanium stock white APP and the aqueous polyurethane of half amount, it is heated to 50 DEG C, after stirring 15 minutes with the speed of 500 revs/min, speed with 1000 revs/min stirs 10 minutes again, obtain nano modified material emulsion, put it in dipping tank, then above-mentioned superfine fiber synthetic leather base cloth is impregnated wherein, through roll pressed after being sufficiently impregnated with, taking out base fabric puts in baking oven, at a temperature of 120-130 DEG C fully dry, 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 carry out fibrillation process, wash rear dried for standby；
(4) by pine sawdust crushed after being dried, 200 mesh sieves are crossed stand-by；Mixing tallow, paraffin, being heated to 50 DEG C, be subsequently adding paregal O, continue to stir to mixed dissolution the pine powder adding 200 mesh, put in ball mill, it is stand-by that mixed grinding obtains dispersion in 60 minutes；By in the aqueous polyurethane of surplus, add pure-acrylic emulsion, cocoanut fatty acid diethanolamide and remaining residual components, put into and foaming machine is brought into air while stirring, until foam exquisiteness is uniformly forming the aqueous polyurethane mixed slurry with microvesicle hole；
(5) base fabric that step (3) obtains is immersed in above-mentioned aqueous polyurethane mixed slurry, through roll pressed after being sufficiently impregnated with, taking out base fabric puts in baking oven, first the temperature with 80 DEG C is dried 5 minutes, make its moisture volatilize under controlled condition, then be warming up to dry 5 minutes of 100 DEG C of continuation, be finally warming up to 140 DEG C, make its fully crosslinked film-forming of surface, make material of the present invention through operations such as sanding, dyeing, embossing, Final finishing afterwards.
The invention have the advantage that first the present invention adds the synthetic leather base cloth that polyamide-6, polyester mixed fiber made by the alkaline-resisting components matching aqueous polyurethane such as nano-sized magnesium hydroxide, rutile titanium stock white and carry out impregnating modification for the first time, make nano particle be uniformly covered in surface and the gap of base fabric, form good fire-retardant, sun-proof result；No longer use toluene afterwards but utilize NaOH to carry out fibrillation to modified base fabric, organic solvent residual will not be caused in the product while forming the surface of many empty warps, friendly to human body and Environmental security.Present invention maceration extract twice all uses aqueous polyurethane, the solvent borne polyurethane of abandoning tradition, have nontoxic do not remain, do not fire, advantage free from environmental pollution, and remain the good processability of solvent borne polyurethane, product mechanical strength height, good springiness, wear-resisting premium properties.
The present invention is by adding the Lubrication Compositions such as tallow, paraffin, cetyl lactate, add in aqueous polyurethane by certain technique, soak the product feel after shaping greasy smooth, no less than the feel of corium, adding appropriate pine composition, smell is pure and fresh and has certain antibacterial effect simultaneously；The high emulational leather that the present invention makes, good permeability, it smooth is not adhered, flexible, breathable, quality is high.
Detailed description of the invention
A kind of super fibre-polyurethane height emulational leather material good for the feel of automotive trim, is made up of the raw material of following weight portion (kilogram): polyamide-6 the 75th, alkali soluble polyester chip the 25th, concentration is that 20% sodium hydroxide solution is appropriate, aqueous polyurethane the 50th, nano-sized magnesium hydroxide the 5th, APP the 3rd, neopelex the 5th, rutile titanium stock white the 3rd, water is appropriate, tallow the 2nd, paraffin the 1st, cocoanut fatty acid diethanolamide the 1.2nd, paregal O the 1st, cetyl lactate the 0.5th, pure-acrylic emulsion the 4th, pine sawdust 3.
A kind of super fibre-polyurethane height emulational leather material good for the feel of automotive trim according to claims 1, is prepared from by following concrete grammar:
(1) it is dried respectively with alkali soluble polyester chip after polyamide-6 being cut into slices, control water content is less than 1%, carry out spinneret by the melted fabric of island-in-sea type spinning pack that enters of respective single extruder type spinning machine stirring respectively, the tow obtaining through drawing-off (being drawing-off 3.5 times at 75 DEG C in temperature), oil, wind, be dried (drying 5 minutes for 55 DEG C), cut off (control fibre length is 50mm, and fiber number is 5dtex) and obtain composite superfine staple；Composite superfine staple use after shredding is cotton carding machine be carded to single layer fibre net, it is then passed through cross lapping machine and form composite bed fleece, puncture on needing machine again, finally utilize bead cutter cutting neat, carry out thermal contraction fixation under conditions of 120 DEG C, obtain superfine fiber synthetic leather base cloth；
(2) neopelex is dissolved in the water of 5 times amount, add nano-sized magnesium hydroxide, rutile titanium stock white APP and the aqueous polyurethane of half amount, it is heated to 50 DEG C, after stirring 15 minutes with the speed of 500 revs/min, speed with 1000 revs/min stirs 10 minutes again, obtain nano modified material emulsion, put it in dipping tank, then above-mentioned superfine fiber synthetic leather base cloth is impregnated wherein, through roll pressed after being sufficiently impregnated with, taking out base fabric puts in baking oven, at a temperature of 120 DEG C fully dry, 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 carry out fibrillation process, wash rear dried for standby；
(4) by pine sawdust crushed after being dried, 200 mesh sieves are crossed stand-by；Mixing tallow, paraffin, being heated to 50 DEG C, be subsequently adding paregal O, continue to stir to mixed dissolution the pine powder adding 200 mesh, put in ball mill, it is stand-by that mixed grinding obtains dispersion in 60 minutes；By in the aqueous polyurethane of surplus, add pure-acrylic emulsion, cocoanut fatty acid diethanolamide and remaining residual components, put into and foaming machine is brought into air while stirring, until foam exquisiteness is uniformly forming the aqueous polyurethane mixed slurry with microvesicle hole；
(5) base fabric that step (3) obtains is immersed in above-mentioned aqueous polyurethane mixed slurry, through roll pressed after being sufficiently impregnated with, taking out base fabric puts in baking oven, first the temperature with 80 DEG C is dried 5 minutes, make its moisture volatilize under controlled condition, then be warming up to dry 5 minutes of 100 DEG C of continuation, be finally warming up to 140 DEG C, make its fully crosslinked 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 prepares is through a series of detection, data are as follows: tear load is more than 80N, peel load is more 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, peel strength after soaking 24 hours in the NaOH of alkaline-resisting 10% is maintained at more than 80%, grinds under 1000g loading conditions Without breakage in the case of 500 times.

Claims (2)

1. the good super fibre-polyurethane height emulational leather material of the feel for automotive trim, it is characterized in that, it is prepared by the raw materials in: polyamide-675-77, alkali soluble polyester chip 25-26, concentration is that 20% sodium hydroxide solution is appropriate, aqueous polyurethane 50-53, nano-sized magnesium hydroxide 5-6, APP 3-4, neopelex 5-6, rutile titanium stock white 3-4, water is appropriate, tallow 2-3, paraffin 1-2, cocoanut fatty acid diethanolamide 1.2-1.5, paregal O 1-1.2, cetyl lactate 0.5-0.6, pure-acrylic emulsion 4-5, pine sawdust 3-4.
2. a kind of super fibre-polyurethane height emulational leather material good for the feel of automotive trim according to claims 1, it is characterised in that be prepared from by following concrete grammar:
(1) it is dried respectively with alkali soluble polyester chip after polyamide-6 being cut into slices, control water content is less than 1%, carry out spinneret by the melted fabric of island-in-sea type spinning pack that enters of respective single extruder type spinning machine stirring respectively, the tow obtaining through drawing-off (being drawing-off 3.5 times at 75 DEG C in temperature), oil, wind, be dried (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；Composite superfine staple use after shredding is cotton carding machine be carded to single layer fibre net, it is then passed through cross lapping machine and form composite bed fleece, puncture on needing machine again, finally utilize bead cutter cutting neat, carry out thermal contraction fixation under conditions of 120-140 DEG C, obtain superfine fiber synthetic leather base cloth；
(2) neopelex is dissolved in the water of 5 times amount, add nano-sized magnesium hydroxide, rutile titanium stock white APP and the aqueous polyurethane of half amount, it is heated to 50 DEG C, after stirring 15 minutes with the speed of 500 revs/min, speed with 1000 revs/min stirs 10 minutes again, obtain nano modified material emulsion, put it in dipping tank, then above-mentioned superfine fiber synthetic leather base cloth is impregnated wherein, through roll pressed after being sufficiently impregnated with, taking out base fabric puts in baking oven, at a temperature of 120-130 DEG C fully dry, 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 carry out fibrillation process, wash rear dried for standby；
(4) by pine sawdust crushed after being dried, 200 mesh sieves are crossed stand-by；Mixing tallow, paraffin, being heated to 50 DEG C, be subsequently adding paregal O, continue to stir to mixed dissolution the pine powder adding 200 mesh, put in ball mill, it is stand-by that mixed grinding obtains dispersion in 60 minutes；By in the aqueous polyurethane of surplus, add pure-acrylic emulsion, cocoanut fatty acid diethanolamide and remaining residual components, put into and foaming machine is brought into air while stirring, until foam exquisiteness is uniformly forming the aqueous polyurethane mixed slurry with microvesicle hole；
(5) base fabric that step (3) obtains is immersed in above-mentioned aqueous polyurethane mixed slurry, through roll pressed after being sufficiently impregnated with, taking out base fabric puts in baking oven, first the temperature with 80 DEG C is dried 5 minutes, make its moisture volatilize under controlled condition, then be warming up to dry 5 minutes of 100 DEG C of continuation, be finally warming up to 140 DEG C, make its fully crosslinked film-forming of surface, make material of the present invention through operations such as sanding, dyeing, embossing, Final finishing afterwards.
CN201610048807.1A 2016-01-26 2016-01-26 Microfiber polyurethane high-simulation leather material with good touch for automotive interiors and preparation method of microfiber polyurethane high-simulation leather material Pending CN105986490A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103993482A (en) * 2014-05-07 2014-08-20 陕西科技大学 Flame-retardant waterborne polyurethane superfine fiber synthetic leather base cloth and manufacturing method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103993482A (en) * 2014-05-07 2014-08-20 陕西科技大学 Flame-retardant waterborne polyurethane superfine fiber synthetic leather base cloth and manufacturing method thereof

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Title
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