CN101260181B - Melt spinning spandex interlinkage agent and producing method thereof - Google Patents
Melt spinning spandex interlinkage agent and producing method thereof Download PDFInfo
- Publication number
- CN101260181B CN101260181B CN2008100233398A CN200810023339A CN101260181B CN 101260181 B CN101260181 B CN 101260181B CN 2008100233398 A CN2008100233398 A CN 2008100233398A CN 200810023339 A CN200810023339 A CN 200810023339A CN 101260181 B CN101260181 B CN 101260181B
- Authority
- CN
- China
- Prior art keywords
- glycol
- polyether
- polyester polyol
- spandex
- polyester
- 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 description 24
- 239000004759 spandex Substances 0.000 title claims description 24
- 238000002074 melt spinning Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title description 5
- 239000003795 chemical substances by application Substances 0.000 title 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 65
- 229920000570 polyether Polymers 0.000 claims abstract description 32
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 31
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229920005906 polyester polyol Polymers 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 239000003431 cross linking reagent Substances 0.000 claims description 15
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 12
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 229920000728 polyester Polymers 0.000 claims description 7
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 150000004985 diamines Chemical class 0.000 claims description 6
- 229920001451 polypropylene glycol Polymers 0.000 claims description 6
- 150000002009 diols Chemical class 0.000 claims description 5
- 229920000909 polytetrahydrofuran Polymers 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 4
- LVZWSLJZHVFIQJ-UHFFFAOYSA-N Cyclopropane Chemical compound C1CC1 LVZWSLJZHVFIQJ-UHFFFAOYSA-N 0.000 claims description 3
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 3
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Natural products OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229920001610 polycaprolactone Polymers 0.000 claims description 3
- 239000004632 polycaprolactone Substances 0.000 claims description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 2
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 2
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract 2
- 210000004177 elastic tissue Anatomy 0.000 abstract 2
- 150000001412 amines Chemical class 0.000 abstract 1
- 125000005442 diisocyanate group Chemical group 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
- 238000009987 spinning Methods 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 208000005156 Dehydration Diseases 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000562 Poly(ethylene adipate) Polymers 0.000 description 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- NIHJEJFQQFQLTK-UHFFFAOYSA-N butanedioic acid;hexanedioic acid Chemical compound OC(=O)CCC(O)=O.OC(=O)CCCCC(O)=O NIHJEJFQQFQLTK-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a melt-spinning urethane elastic fiber reactant which is made through the reaction of polyester polyol or polyether glycol, amine terminated polyether and diisocyanate. The melt-spinning urethane elastic fiber filament made from the product of the invention has excellent heat resistance and rebound elasticity.
Description
Technical field:
The present invention relates to a kind of melt extrusion spandex cross-linking agent and production method.
Background technology:
Melt extrusion spandex cross-linking agent is to make the requisite a kind of raw material of melt spun spandex, and purpose reduces chip spinning process medium viscosity can play the processing performance of raising spinning and the rebound performance effect of silk.Common and melt-spun spandex slice pairing is used.Melt extrusion spandex cross-linking agent is a kind of a kind of performed polymer that is formed by polyester (or polyethers) polyvalent alcohol and excessive di-isocyanate reaction from structural analysis.The exhausted major part of the cross linking agent of using is the performed polymer that contains polyurethane structural at present.
Melt spun spandex has low cost of manufacture than dry method spandex, and production process does not need solvent, and product does not contain the advantage of poisonous solvent, so be referred to as " green spandex ".But the thermotolerance and the rebound resilience of melt spun spandex are lower than dry method spandex.General and the melt-spun section pairing use of melt extrusion spandex cross-linking agent.It is to reduce the viscosity of cutting into slices in the spinning technique process that melt spun spandex adopts the cross linking agent purpose, helps improving the processing performance of spinning, also can play the effect that improves melt spun spandex silk rebound performance simultaneously.The melt extrusion spandex cross-linking agent of using is the performed polymer that contains polyurethane structural from the exhausted major part of structure analysis at present.
Summary of the invention:
The object of the present invention is to provide a kind of melt spun spandex silk of making to have the melt extrusion spandex cross-linking agent and the production method of good resistance toheat and rebound performance.
Technical solution of the present invention is:
A kind of melt extrusion spandex cross-linking agent is characterized in that: made through reaction by polyester polyol or polyether glycol, ending amino polyether, vulcabond.
The mol ratio of polyester polyol or polyether glycol and ending amino polyether is 1: 4～4: 1.
A kind of production method of melt extrusion spandex cross-linking agent is characterized in that: made through reaction by polyester polyol or polyether glycol, ending amino polyether, vulcabond, the mol ratio of polyester polyol or polyether glycol and ending amino polyether is 1: 4～4: 1.
Described polyester polyol is that hexanodioic acid is that polyester glycol, polycaprolactone glycol, carbonic ether glycol or terephthalic acid are polyester glycol.
Described polyether glycol is poly-cyclopropane glycol polytetrahydrofuran diol.
Described ending amino polyether is a Polypropylene oxide diamine.
Vulcabond is 4,4 '-diphenylmethanediisocyanate, toluene diisocynate, hexamethylene-diisocyanate, isophorone diisocyanate or (4,4 '-dicyclohexyl methane diisocyanate.
Polyester polyol, polyether glycol molecular weight ranges are 1000-5000.
The melt spun spandex silk that adopts cross linking agent of the present invention to make has good resistance toheat and rebound performance.Its result is as follows:
| Project | Test item | Performance index |
| 1 | Linear density/dex | 20 |
| 2 | Breaking tenacity/CN/dex | ≥1.48 |
| 3 | Elongation at break % | ≥500 |
| 4 | 300% draws and stretches modulus/CN | ≥10 |
| 5 | Elastic recovery rate % | ≥96 |
| 6 | 130 ℃ of xeothermic recovery rate % | ≥60 |
The invention will be further described below in conjunction with embodiment.
Embodiment:
Embodiment 1:
With molecular weight be 1000 or molecular weight be that 2000 poly adipate succinic acid ester glycol or ethylene glycol adipate(EGA) glycol or adipate glycol butanediol ester glycol and molecular weight are ending amino polyether blending ingredients (above-mentioned both mol ratios: 1-3: 1-3) put in the reactor of 2000 or 4000 Polypropylene oxide diamine, 120 ℃ of dehydrations cooled to 30 ℃ after 4 hours, 4 ' the 4-diphenylmethanediisocyanate (MDI) that adds metering, two kinds of raw materials (being above-mentioned blending ingredients and MDI) reacted 2 hours at 35-80 ℃ according to mol ratio 1: 1.6-3.8., after NCO content is 3-10%, get product, pack.
Embodiment 2:
With molecular weight be 1000 or molecular weight be that 2000 polytetrahydrofuran diol and molecular weight are blending ingredients (above-mentioned both mol ratios: 1-3: 1-3) put in the reactor of the ending amino polyether of 2000 or 4000 Polypropylene oxide diamine, 120 ℃ of dehydrations cooled to 30 ℃ after 4 hours, 4 ' the 4-diphenylmethanediisocyanate (MDI) that adds metering, two kinds of raw materials (being above-mentioned blending ingredients and MDI) reacted 2 hours at 35-80 ℃ according to mol ratio 1: 1.6-3.8., after NCO content is 3-10%, gets product and pack.
Embodiment 3:
With molecular weight be 1000 or molecular weight be that 2000 polytetrahydrofuran diol is put in the reactor, 120 ℃ were dewatered 4 hours, after cool to 30 ℃, 4 ' the 4-diphenylmethanediisocyanate (MDI) that adds metering, two kinds of raw materials reacted 2 hours at 65-80 ℃ according to mol ratio 1: 1.6-3.8., and the qualified back of NCO content (being that NCO content is 3-10%) airtight package is as the A component.The ending amino polyether that with molecular weight is 2000 or 4000 Polypropylene oxide diamine is put in the reactor, 120 ℃ of dehydrations cooled to 30 ℃ after 4 hours, 4 ' the 4-diphenylmethanediisocyanate (MDI) that adds metering, (mol ratio of ending amino polyether and MDI is 1 here: 1.6-3.8), 30-40 ℃ of reaction 2 hours, the qualified back of NCO content (being that NCO content is 3-10%) packs the component as B.When using in spinning process, both (A component and B component) weight ratios are 1-4: 1.
Claims (3)
1. melt extrusion spandex cross-linking agent is characterized in that: made through reaction by polyester polyol or polyether glycol, ending amino polyether, vulcabond, the mol ratio of wherein said polyester polyol or polyether glycol and ending amino polyether is 1: 4～4: 1; Described polyester polyol, polyether glycol molecular weight ranges are 1000-5000, described polyester polyol is that hexanodioic acid is that polyester glycol, polycaprolactone glycol, carbonic ether glycol or terephthalic acid are polyester glycol, and described polyether glycol is poly-cyclopropane glycol polytetrahydrofuran diol; Described ending amino polyether is a Polypropylene oxide diamine.
2. the production method of a melt extrusion spandex cross-linking agent is characterized in that: made through reaction by polyester polyol or polyether glycol, ending amino polyether, vulcabond, the mol ratio of polyester polyol or polyether glycol and ending amino polyether is 1: 4～4: 1; Described polyester polyol, polyether glycol molecular weight ranges are 1000-5000, described polyester polyol is that hexanodioic acid is that polyester glycol, polycaprolactone glycol, carbonic ether glycol or terephthalic acid are polyester glycol, and described polyether glycol is poly-cyclopropane glycol polytetrahydrofuran diol; Described ending amino polyether is a Polypropylene oxide diamine.
3. the production method of melt extrusion spandex cross-linking agent according to claim 2, it is characterized in that: vulcabond is 4,4 '-diphenylmethanediisocyanate, toluene diisocynate, hexamethylene-diisocyanate, isophorone diisocyanate or 4,4 '-dicyclohexyl methane diisocyanate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100233398A CN101260181B (en) | 2008-04-09 | 2008-04-09 | Melt spinning spandex interlinkage agent and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100233398A CN101260181B (en) | 2008-04-09 | 2008-04-09 | Melt spinning spandex interlinkage agent and producing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101260181A CN101260181A (en) | 2008-09-10 |
| CN101260181B true CN101260181B (en) | 2010-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100233398A Expired - Fee Related CN101260181B (en) | 2008-04-09 | 2008-04-09 | Melt spinning spandex interlinkage agent and producing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101260181B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534856B (en) * | 2010-12-10 | 2014-08-13 | 烟台泰和新材料股份有限公司 | Preparation method of spandex spinning stock solution by PCL dry method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2042567A (en) * | 1979-02-21 | 1980-09-24 | Goodyear Tire & Rubber | Cured polyurethanes |
| CN1468880A (en) * | 2002-06-27 | 2004-01-21 | 日立家用电器公司 | Hard polyurethane foam material and insulator |
| CN101070370A (en) * | 2007-05-25 | 2007-11-14 | 张勇 | Process for polyurethane crosslinking agent for melting spandex fiber |
-
2008
- 2008-04-09 CN CN2008100233398A patent/CN101260181B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2042567A (en) * | 1979-02-21 | 1980-09-24 | Goodyear Tire & Rubber | Cured polyurethanes |
| CN1468880A (en) * | 2002-06-27 | 2004-01-21 | 日立家用电器公司 | Hard polyurethane foam material and insulator |
| CN101070370A (en) * | 2007-05-25 | 2007-11-14 | 张勇 | Process for polyurethane crosslinking agent for melting spandex fiber |
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| Publication number | Publication date |
|---|---|
| CN101260181A (en) | 2008-09-10 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 |
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