CN109518467A - Ultralow pyrocondensation polyurethane superfine fiber fabric and preparation method thereof - Google Patents
Ultralow pyrocondensation polyurethane superfine fiber fabric and preparation method thereof Download PDFInfo
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- CN109518467A CN109518467A CN201811324859.2A CN201811324859A CN109518467A CN 109518467 A CN109518467 A CN 109518467A CN 201811324859 A CN201811324859 A CN 201811324859A CN 109518467 A CN109518467 A CN 109518467A
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- pyrocondensation
- ultralow
- superfine fiber
- fabric
- upper oil
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- 239000004744 fabric Substances 0.000 title claims abstract description 53
- 239000000835 fiber Substances 0.000 title claims abstract description 22
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 13
- 239000004814 polyurethane Substances 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 title description 4
- 238000000034 method Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 17
- -1 polyethylene Polymers 0.000 claims abstract description 14
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004698 Polyethylene Substances 0.000 claims abstract description 11
- 229920000573 polyethylene Polymers 0.000 claims abstract description 11
- 238000005406 washing Methods 0.000 claims abstract description 10
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 9
- 238000000605 extraction Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims abstract description 6
- 229920002292 Nylon 6 Polymers 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 5
- 229920000728 polyester Polymers 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims abstract 7
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract 4
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 claims abstract 2
- UGDAWAQEKLURQI-UHFFFAOYSA-N 2-(2-hydroxyethoxy)ethanol;hydrate Chemical compound O.OCCOCCO UGDAWAQEKLURQI-UHFFFAOYSA-N 0.000 claims abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract 2
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 claims abstract 2
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910052710 silicon Inorganic materials 0.000 claims abstract 2
- 239000010703 silicon Substances 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 2
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 12
- 238000007598 dipping method Methods 0.000 description 8
- 239000002649 leather substitute Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 238000002386 leaching Methods 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/6436—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing amino groups
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C23/00—Making patterns or designs on fabrics
- D06C23/04—Making patterns or designs on fabrics by shrinking, embossing, moiréing, or crêping
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/165—Ethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/38—Polyurethanes
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of ultralow pyrocondensation polyurethane superfine fiber fabrics and preparation method thereof, the preparation side of ultralow pyrocondensation polyurethane superfine fiber fabric includes the following steps: nylon 6 or polyester, with fabric of island-in-sea type staple fiber that polyethylene or styrene are raw material through needling shape at non-woven fabrics, it is immersed in wet process slurry, then through supersolidification and washing, decrement extraction polyethylene or styrene in hot toluene again, obtain wet cloth, then wet cloth is impregnated in upper oil liquid, continuously rub line, drying, can be obtained the ultralow pyrocondensation polyurethane superfine fiber fabric；The upper oil liquid contains amido silicon oil, heterogeneous ten alcohol polyoxyethylene ether, isomerous tridecanol polyoxyethylene ether, diethylene glycol monobutyl ether and water.The present invention has ultralow dimensional stability to heating in house, and base fabric finished product pyrocondensation value is 0.1-1.5%, and folding line exquisiteness feature can satisfy applied at elevated temperature requirement, can satisfy high-temperature dry veneer requirement.
Description
Technical field
The present invention relates to polyurethane superfine fiber base fabric and preparation method thereof.
Background technique
In recent years, environmental protection was increasingly paid attention to country, and put into effect severeer environmental protection policy, Dao Bi enterprise increases ring
Facility is protected, is adopted new technology, new equipment carrys out energy-saving and emission-reduction.
Before, dry method veneer uses DMF/TOL, DMF/MEK equal solvent system, although DMF recovery technology is mature, mixes
Bonding solvent recovery technology difficulty is big, at high cost, causes the low boiling point solvents such as TOL, MEK that cannot recycle, and therefore, someone uses pure
The mixed solvent systems such as DMF/TOL, DMF/MEK DMF instead preceding as solvent carrier, reduce VOC emission, since DMF boils
Point is high, needs to improve veneer oven temperature, since base fabric pyrocondensation leads to greatly veneer release paper crimping, market needs low-heat to contract
Base fabric.It has been proposed that with organic siliconresin veneer, it is solvent-free in production process, it is environmentally friendly, but veneer processing is also required to height
Temperature also needs lower shrinkage base fabric.
Existing routine superfine fiber fabric, tests thermal shrinkage method according to industry and client, in 140 degree of environment of constant temperature oven
It places 10 minutes, tests shrinking percentage.Shoes leather base cloth pyrocondensation is required less than 3%, and portions of client is required less than 2.5%；Sofa artificial leather base
Cloth pyrocondensation is required less than 4%.
In order to reach pyrocondensation requirement, someone uses and adjusts expanding setting temperature to 170-180 degree, but has the disadvantage that:
First, it needs to select special fire resistant resin；Second, if there is baking oven failure, base fabric is stopped in an oven, will cause base
Cloth seriously damages.After someone rubs skin processing using base fabric, then preliminary drying one time, pyrocondensation value can reduce, but will increase 0.5 yuan/meter
Cloth cost is dried, and pyrocondensation value still cannot fully meet the requirement of client's high temperature process between 1.0-2.5%.
Summary of the invention
The purpose of the present invention is to provide a kind of ultralow pyrocondensation polyurethane superfine fiber fabrics and preparation method thereof, to overcome
Defect of the existing technology.
Method of the invention, includes the following steps:
By nylon 6 perhaps polyester and polyethylene or styrene be raw material fabric of island-in-sea type staple fiber through needling shape at nothing
Woven fabric is immersed in wet process slurry, then through supersolidification and washing, then decrement extraction polyethylene or benzene second in hot toluene
Alkene obtains wet cloth, wet cloth is then impregnated in upper oil liquid, continuously rubs line, dries, can be obtained the ultralow pyrocondensation polyurethane
Superfine fiber fabric；
The upper oil liquid is compound organosilicon finish, is made of the component of following mass percent:
The oiling method is to pad processing, and preferably three leachings three are rolled；
After oiling, base fabric liquid carrying rate is 60-120%；It is preferred that 70-110%
It is described that continuously to rub line technological parameter as follows:
The continuous boarding machine baking oven length is 25-35 meters, preferably 35 meters；
Drying temperature is 60-170 DEG C, preferably 120-160 DEG C；
Rubbing the positive and negative rotation time is 15-35s, and rubbing a positive and negative rotation interval time is 3-6s；
The spinning, non-woven fabrics needling process, dipping sizing agent ingredient, dipping, solidification and washing process, and decrement work
Skill is this field common process, can refer to document: Qu Jianbo: Beijing synthetic leather technology [M]: Chemical Industry Press
.2015.P18-P211 the processing technology reported in.
Term: dimensional stability to heating in house is dry shinkage.Dimensional stability to heating in house test method is as follows:
1, purpose
Xeothermic contraction is to set corresponding temperature for different product, carrys out the contraction feelings of test product under this condition
Condition.
2 instruments
Vernier caliper, ruler
Constant temperature oven: 140 DEG C ± 2 DEG C are maintained the temperature at, band blower device；Stopwatch: it is accurate to 0.01 second.
3 specimen shapes and size
150mm × 150mm square sample (precise measurement)
4 test conditions
Thermal contraction test condition: 140 DEG C or client's assigned temperature.
5, dry-hot shrinkage
2 pieces of samples are cut, two mutually perpendicular center lines is drawn at the center of sample, marks, surveyed with vernier caliper
Measure its length A0(B0).It is placed in 10min in constant temperature oven, uses manual time-keeping.Sample is taken out, is measured at 3 respectively through broadwise length simultaneously
Take arithmetic mean of instantaneous value.
If client has particular/special requirement to temperature or time, executed according to the requirement of client.
6 results calculate
In formula: for W-portraitlandscape to shrinking percentage, unit is percentage (%)；
A0Length before-sample dries, unit mm；
A1Length after-sample dries, unit mm.
The beneficial effects of the present invention are:
The polyurethane superfine fiber base fabric of acquisition, has ultralow dimensional stability to heating in house, and base fabric finished product pyrocondensation value is 0.1-1.5%, folding
Trace exquisiteness feature, can satisfy applied at elevated temperature requirement, can satisfy high-temperature dry veneer requirement.
Specific embodiment
Present invention is further described in detail With reference to embodiment, it should be appreciated that these embodiments are only used for
Illustrate the present invention rather than limits the scope of the invention.
Embodiment 1
By fabric of island-in-sea type staple fiber that nylon 6 and polyethylene are raw material through needling shape at non-woven fabrics be immersed in wet process slurry
In, then through supersolidification and washing, then the decrement extraction polyethylene in hot toluene, wet cloth oil, continuously rub line, obtain ultralow heat
Polycondensation urethane superfine fiber fabric；
The spinning, non-woven fabrics needling process, dipping sizing agent ingredient, dipping, solidification and washing process, and decrement work
Skill is this field common process, can refer to document: Qu Jianbo: Beijing synthetic leather technology [M]: Chemical Industry Press
.2015.P18-P211 the processing technology reported in.
Wherein, the wet cloth oiling process parameter includes:
The oiling method is to pad processing, and three leachings three are rolled；
Upper oil liquid is made of the component of following mass percent:
Upper oil liquid concentration is 2.5%；
Base fabric liquid carrying rate is 110% after oiling；
Wherein, affiliated continuously to rub line technological parameter and include:
The continuous boarding machine baking oven length is 35 meters；
The oven temperature is 120 DEG C；
The positive and negative rotation time of rubbing is 15s；
A positive and negative rotation interval time of rubbing is 6s；
It is 1.5% by base fabric finished product pyrocondensation value prepared by this method
Embodiment 2
By fabric of island-in-sea type staple fiber that polyester and polyethylene are raw material through needling shape at non-woven fabrics be immersed in wet process slurry,
Then through supersolidification and washing, then the decrement extraction polyethylene in hot toluene, wet cloth oil, continuously rub line, obtain ultralow pyrocondensation
Polyurethane superfine fiber base fabric；
The spinning, non-woven fabrics needling process, dipping sizing agent ingredient, dipping, solidification and washing process, and decrement work
Skill is this field common process, can refer to document: Qu Jianbo: Beijing synthetic leather technology [M]: Chemical Industry Press
.2015.P18-P211 the processing technology reported in.
Wherein, the wet cloth oiling process parameter includes:
The oiling method is to pad processing, and preferably three leachings three are rolled；
Upper oil liquid is made of the component of following mass percent:
The upper oil liquid concentration is 10%；
It is described oil after base fabric liquid carrying rate be 70%；
Wherein, affiliated continuously to rub line technological parameter and include:
The continuous boarding machine baking oven length is 35 meters；
The oven temperature is 160 DEG C；
The positive and negative rotation time of rubbing is 35s；
A positive and negative rotation interval time of rubbing is 3s；
It is 0.10% by base fabric finished product pyrocondensation value prepared by this method
Embodiment 3
By fabric of island-in-sea type staple fiber that nylon 6 and styrene are raw material through needling shape at non-woven fabrics be immersed in wet process slurry
In, then through supersolidification and washing, then the decrement extraction polyethylene in hot toluene, wet cloth oil, continuously rub line, obtain ultralow heat
Polycondensation urethane superfine fiber fabric；
The spinning, non-woven fabrics needling process, dipping sizing agent ingredient, dipping, solidification and washing process, and decrement work
Skill is this field common process, can refer to document: Qu Jianbo: Beijing synthetic leather technology [M]: Chemical Industry Press
.2015.P18-P211 the processing technology reported in.
Wherein, the wet cloth oiling process parameter includes:
The oiling method is to pad processing, and preferably three leachings three are rolled；
Upper oil liquid is made of the component of following mass percent:
The upper oil liquid concentration is 5%；
It is described oil after base fabric liquid carrying rate be 90%；
Wherein, affiliated continuously to rub line technological parameter and include:
The continuous boarding machine baking oven length is 35 meters；
The oven temperature is 150 DEG C；
The positive and negative rotation time of rubbing is 25s；
A positive and negative rotation interval time of rubbing is 5s；
It is 0.5% by base fabric finished product pyrocondensation value prepared by this method.
Claims (6)
1. the preparation method of ultralow pyrocondensation polyurethane superfine fiber fabric, which comprises the steps of:
By nylon 6 perhaps polyester and polyethylene or styrene be raw material fabric of island-in-sea type staple fiber through needling shape at non-woven fabrics,
It is immersed in wet process slurry, then through supersolidification and washing, then decrement extraction polyethylene or styrene in hot toluene, it obtains
Then wet cloth is impregnated in upper oil liquid by wet cloth, continuously rub line, and drying can be obtained the ultralow ultra-fine fibre of pyrocondensation polyurethane
Wiki cloth；
The upper oil liquid contains amido silicon oil, heterogeneous ten alcohol polyoxyethylene ether, isomerous tridecanol polyoxyethylene ether, diethylene glycol
Monobutyl ether and water.
2. the method according to claim 1, wherein component group of the upper oil liquid by following mass percent
At:
3. method according to claim 1 or 2, which is characterized in that the oiling method is to pad processing.
4. according to the method described in claim 3, it is characterized in that, base fabric liquid carrying rate is 60-120% after oiling.
5. according to the method described in claim 4, it is characterized in that, above-mentioned continuously to rub line technological parameter as follows:
Continuous boarding machine baking oven length is 25-35 meters；
Drying temperature is 60-170 DEG C；
Rubbing the positive and negative rotation time is 15-35s, and rubbing a positive and negative rotation interval time is 3-6s.
6. the ultralow pyrocondensation polyurethane superfine fiber fabric of any one the method preparation according to claim 1~5.
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| CN201811324859.2A CN109518467B (en) | 2018-11-08 | 2018-11-08 | Ultralow-heat polycondensation polyurethane superfine fiber base cloth and preparation method thereof |
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| CN201811324859.2A CN109518467B (en) | 2018-11-08 | 2018-11-08 | Ultralow-heat polycondensation polyurethane superfine fiber base cloth and preparation method thereof |
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| CN109518467B CN109518467B (en) | 2022-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111074626A (en) * | 2019-12-25 | 2020-04-28 | 江苏华峰超纤材料有限公司 | Ultra-low fixed-load elongation rate microfiber base cloth and preparation method thereof |
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| CN111074626A (en) * | 2019-12-25 | 2020-04-28 | 江苏华峰超纤材料有限公司 | Ultra-low fixed-load elongation rate microfiber base cloth and preparation method thereof |
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| CN109518467B (en) | 2022-01-25 |
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Denomination of invention: Ultra low heat shrink polyurethane ultrafine fiber base fabric and its preparation method Effective date of registration: 20231227 Granted publication date: 20220125 Pledgee: Bank of China Limited by Share Ltd. Qidong branch Pledgor: JIANGSU HUAFENG MICROFIBER MATERIAL Co.,Ltd. Registration number: Y2023980074599 |
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