CN101255617B - Melt-spun spandex slice and production method - Google Patents
Melt-spun spandex slice and production method Download PDFInfo
- Publication number
- CN101255617B CN101255617B CN2008100233383A CN200810023338A CN101255617B CN 101255617 B CN101255617 B CN 101255617B CN 2008100233383 A CN2008100233383 A CN 2008100233383A CN 200810023338 A CN200810023338 A CN 200810023338A CN 101255617 B CN101255617 B CN 101255617B
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- Prior art keywords
- glycol
- functionality
- poly
- melt
- molecular weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229920002334 Spandex Polymers 0.000 title claims abstract description 25
- 239000004759 spandex Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 67
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229920005906 polyester polyol Polymers 0.000 claims abstract description 15
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 14
- 229920000570 polyether Polymers 0.000 claims abstract description 14
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims abstract description 7
- -1 aromatic diol Chemical class 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 8
- 150000002148 esters Chemical class 0.000 claims description 7
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 claims description 4
- 229920001451 polypropylene glycol Polymers 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 claims description 3
- NIHJEJFQQFQLTK-UHFFFAOYSA-N butanedioic acid;hexanedioic acid Chemical compound OC(=O)CCC(O)=O.OC(=O)CCCCC(O)=O NIHJEJFQQFQLTK-UHFFFAOYSA-N 0.000 claims description 3
- 150000002009 diols Chemical class 0.000 claims description 3
- 229920000909 polytetrahydrofuran Polymers 0.000 claims description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims 1
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 claims 1
- 229920001223 polyethylene glycol Polymers 0.000 claims 1
- 239000012948 isocyanate Substances 0.000 abstract description 3
- 150000002513 isocyanates Chemical class 0.000 abstract description 3
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 238000002074 melt spinning Methods 0.000 abstract 1
- 229920005862 polyol Polymers 0.000 abstract 1
- 150000003077 polyols Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical group C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- WTPYFJNYAMXZJG-UHFFFAOYSA-N 2-[4-(2-hydroxyethoxy)phenoxy]ethanol Chemical compound OCCOC1=CC=C(OCCO)C=C1 WTPYFJNYAMXZJG-UHFFFAOYSA-N 0.000 description 2
- 229920000562 Poly(ethylene adipate) Polymers 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Natural products OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
Disclosed are a melt-spinning spandex slice and the production method thereof. The slice is formed by the reaction of polyester polyol with a functionality f being 2 to 3 or polyether polyol, aromatic glycol and/or aliphatic diol, and isocyanate. The prepared product with the invention is excellent on the mechanical and heat-resistant properties.
Description
Technical field:
The present invention relates to a kind of melt-spun spandex slice and production method.
Background technology:
Melt-spun spandex slice is a upstream raw material of making melt spun spandex (silk).At present both at home and abroad spandex mainly contains two kinds according to its different manufacture method: i.e. dry method spandex and melt spun spandex, melt spun spandex does not use solvent than remarkable advantage production technique of dry method spandex, so be referred to as " green spandex ".Be the important chemical fibre raw material of making spandex high-grade clothing, underskirt, be subjected to weaving both at home and abroad and chemical fibre market and generally favor.But melt spun spandex is lower than dry method spandex because of thermotolerance and rebound resilience, has therefore limited its Application Areas to a great extent.And the thermotolerance of melt spun spandex silk and rebound performance depend on the thermotolerance and the mechanical mechanics property thereof of melt-spun spandex slice to a great extent.Improving the thermotolerance of melt-spun spandex slice and mechanical mechanics property has become the focus and the difficult point of melt spun spandex and polyurethane elastomer industry common concern.
Summary of the invention:
The object of the present invention is to provide the melt-spun spandex slice and the production method of a kind of mechanical property, Good Heat-resistance.
Technical solution of the present invention is:
A kind of melt-spun spandex slice is characterized in that: be to be made by the polyester polyol of functionality 2＜f＜3 or polyether glycol, aromatic diol and/or aliphatic diol, isocyanate reaction.
The mol ratio of polyester polyol or polyether glycol, aromatic diol and/or aliphatic diol, three kinds of raw materials of isocyanic ester is 1: 0.6～1.5: 1.5～3.
A kind of production method of melt-spun spandex slice, it is characterized in that: be to be made by the polyester polyol of functionality 2＜f＜3 or polyether glycol, aromatic diol and/or aliphatic diol, isocyanate reaction, the mol ratio of polyester polyol or polyether glycol, aromatic diol and/or aliphatic diol, three kinds of raw materials of isocyanic ester is 1: 0.6～1.5: 1.5～3.
The polyester polyol of functionality 2＜f＜3 or polyether glycol are to equal 2 polyester polyol or polyether glycol by functionality greater than 2 polyester polyol or polyether glycol and functionality to be mixed and made into, and functionality equals 2 polyester polyol greater than 2 polyester polyol or polyether glycol and functionality or the mol ratio of polyether glycol is 1: 9～9: 1.
Polyester polyol or polyether glycol that functionality equals 2 greater than 2 polyester polyol or polyether glycol and functionality, its molecular weight is 1000～5000.
Described aromatic diol is 4-hydroxyethyl oxygen ethyl-1-hydroxyethylbenzene diether or 3-hydroxyethyl oxygen ethyl-1-1-hydroxyethylbenzene diether, and described alicyclic diol is 1.4-cyclohexanedimethanol or 1,4 butyleneglycol.
Polyester polyol comprises that hexanodioic acid is a polyester glycol, polycaprolactone glycol, and carbonic ether glycol and terephthalic acid are polyester glycol etc.
Isocyanic ester is 4,4 '-diphenylmethanediisocyanate, toluene diisocynate, hexamethylene-diisocyanate, isophorone diisocyanate or (4,4 '-dicyclohexyl methane diisocyanate.
Mechanical property and resistance toheat that the present invention's section reaches are as follows:
| Project | Test item | The invention sample reaches performance |
| 1 | Hardness (Shao) A | 70～80 |
| 2 | Tensile strength (Mpa) | 35～45 |
| 3 | Elongation (%) | 400～700 |
| 4 | 10% modulus of stretch (Mpa) | ≥1 |
| 5 | 20% modulus of stretch (Mpa) | ≥1.7 |
| 6 | 50% modulus of stretch (Mpa) | ≥3.1 |
| 7 | 100% modulus of stretch (Mpa) | ≥4.4 |
| 8 | Molecular weight distribution | ＜2.3 |
Mechanical mechanics property, molecular weight distribution and thermotolerances such as sample tensile strength of the present invention, elongation, modulus of stretch (thermal test: 180 ℃, heated 2 hours, survey its tensile property), all reached international most advanced level, have tangible advance.
The invention will be further described below in conjunction with embodiment.
Embodiment:
Embodiment 1:
With molecular weight be 1000 or molecular weight be 2000 poly adipate succinic acid ester glycol or ethylene glycol adipate(EGA) glycol or adipate glycol butanediol ester glycol and 1000 or molecular weight be 2000 poly-hexanodioic acid butyleneglycol glycerine ester polyvalent alcohol or the polyvalent alcohol of adipate glycol glycerine ester or alcohol mixture (the mol ratio 2-9 of above-mentioned two kinds of alcohol: 1) of adipate glycol butyleneglycol glycerine ester polyvalent alcohol, 1,4 butyleneglycols (BDO), three kinds of raw materials of 4 ' 4-diphenylmethanediisocyanate (MDI) are injected into twin screw extruder by volume pump through the high-speed mixing head according to mol ratio 1.03: 0.97: 2, screw diameter is 72-95, length-to-diameter ratio is 45-80, the screw zones temperature is controlled at 120 ℃, 160 ℃, 180 ℃, 180 ℃, 185 ℃, 185 ℃, 175 ℃, 170 ℃, 170 ℃, 185 ℃, 190 ℃, precision is ± 1 ℃, screw speed is 80-120 rev/min, behind granulation underwater, dry packing.Get product.
Embodiment 2:
With molecular weight be 1000 or molecular weight be 2000 polytetrahydrofuran diol (or polypropylene oxide glycol) and poly(propylene oxide) triol (both mol ratio 1-3: alcohol mixture 1), 1,4 butyleneglycols (BDO), three kinds of raw materials of 4 ' 4-diphenylmethanediisocyanate (MDI) are injected into twin screw extruder by volume pump through the high-speed mixing head according to mol ratio 1.03: 0.97: 2, screw diameter is 72-95, length-to-diameter ratio is 45-80, the screw zones temperature is controlled at 140 ℃, 160 ℃, 180 ℃, 190 ℃, 190 ℃, 180 ℃, 175 ℃, 170 ℃, 170 ℃, 185 ℃, 190 ℃, precision is ± 1 ℃, screw speed is 80-120 rev/min, behind underwater cutpellet, dry packing.Get product
Embodiment 3:
With molecular weight be 1000 or molecular weight be 2000 poly adipate succinic acid ester glycol or ethylene glycol adipate(EGA) glycol or adipate glycol butanediol ester glycol (or 1000 or molecular weight be 2000 polytetrahydrofuran diol), HQEE (4-hydroxyethyl oxygen ethyl-1-hydroxyethylbenzene diether) or HER (3-hydroxyethyl oxygen ethyl-1-1-hydroxyethylbenzene diether) and 1, the mixing small molecules dibasic alcohol (mol ratio 1 of above-mentioned HQEE or HER and BDO: 3-10) of 4 butyleneglycols (BDO), three kinds of raw materials of 4 ' 4-diphenylmethanediisocyanate (MDI) are injected into twin screw extruder by volume pump through the high-speed mixing head according to mol ratio 1.03: 0.97: 2, screw diameter is 72-95, length-to-diameter ratio is 45-80, the screw zones temperature is controlled at 100 ℃, 135 ℃, 145 ℃, 150 ℃, 150 ℃, 160 ℃, 160 ℃, 150 ℃, 145 ℃, 150 ℃, 155 ℃, precision is ± 1 ℃, screw speed is 80-120 rev/min, behind underwater cutpellet, dry packing.Get product.
Claims (2)
1. the production method of a melt-spun spandex slice is characterized in that: be to be made with mol ratio 1: 0.6-1.5: 1.5-3 reaction by functionality 2＜f＜3 polyester polyols or polyether glycol, aromatic diol and/or aliphatic diol, three kinds of raw materials of isocyanic ester; The polyester polyol of described functionality 2＜f＜3 be by functionality equal 2 and molecular weight be 1000 or 2000 poly adipate succinic acid ester glycol or polyethylene glycol adipate glycol or poly-adipate glycol butanediol ester glycol and functionality greater than 2 and molecular weight be 1000 or 2000 poly-hexanodioic acid butyleneglycol glycerine ester polyvalent alcohol or poly-adipate glycol glycerine ester polyvalent alcohol or poly-adipate glycol butyleneglycol glycerine ester polyvalent alcohol with mol ratio 2-9: 1 is mixed; The polyether glycol of described functionality 2＜f＜3 be by functionality to equal 2 molecular weight be 1000 or 2000 polytetrahydrofuran diol or polypropylene oxide glycol and functionality greater than 2 and molecular weight be 1000 or 2000 poly(propylene oxide) triol with mol ratio 1-3: 1 is mixed; Described aromatic diol is 4-hydroxyethyl oxygen ethyl-1-hydroxyethylbenzene diether or 3-hydroxyethyl oxygen ethyl-1-1-hydroxyethylbenzene diether; Described aliphatic diol is 1,4 cyclohexane dimethanol or 1, the 4-butyleneglycol.
2. the melt-spun spandex slice that obtains of the production method of a melt-spun spandex slice as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100233383A CN101255617B (en) | 2008-04-09 | 2008-04-09 | Melt-spun spandex slice and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100233383A CN101255617B (en) | 2008-04-09 | 2008-04-09 | Melt-spun spandex slice and production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101255617A CN101255617A (en) | 2008-09-03 |
| CN101255617B true CN101255617B (en) | 2010-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100233383A Expired - Fee Related CN101255617B (en) | 2008-04-09 | 2008-04-09 | Melt-spun spandex slice and production method |
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| Country | Link |
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| CN (1) | CN101255617B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588945A (en) * | 2012-08-16 | 2014-02-19 | 南通华盛高聚物科技发展有限公司 | Low melting point spandex slice and preparation method thereof |
| CN103590137A (en) * | 2012-08-16 | 2014-02-19 | 南通华盛高聚物科技发展有限公司 | Preparation method of low melting point spandex fiber |
| CN106048774A (en) * | 2016-06-27 | 2016-10-26 | 张勇 | Production method of polyurethane elastic fibers |
| JP2020507649A (en) * | 2017-02-13 | 2020-03-12 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | Thermoplastic polyurethane |
| CN108264626A (en) * | 2018-01-18 | 2018-07-10 | 河北邦泰氨纶科技有限公司 | A kind of high resilience spandex slice |
| CN110331467B (en) * | 2019-06-24 | 2021-10-26 | 郑州中远氨纶工程技术有限公司 | Superfine denier spandex interwoven with terylene and preparation method thereof |
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2008
- 2008-04-09 CN CN2008100233383A patent/CN101255617B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101255617A (en) | 2008-09-03 |
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Granted publication date: 20101110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |