CN103183815A - Uvioresistant hydrophilic polyester and fiber prepared from uvioresistant hydrophilic polyester - Google Patents
Uvioresistant hydrophilic polyester and fiber prepared from uvioresistant hydrophilic polyester Download PDFInfo
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- CN103183815A CN103183815A CN2011104601155A CN201110460115A CN103183815A CN 103183815 A CN103183815 A CN 103183815A CN 2011104601155 A CN2011104601155 A CN 2011104601155A CN 201110460115 A CN201110460115 A CN 201110460115A CN 103183815 A CN103183815 A CN 103183815A
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Abstract
The invention discloses uvioresistant hydrophilic polyester and fiber prepared from the uvioresistant hydrophilic polyester. The polyester provided by the invention is prepared from the following components of dihydric alcohol, binary acid, a moisture absorption reaction unit and an uvioresistant additive. The organically-modified uvioresistant additive is copolymerized with a third reaction monomer and a low polymer to obtain compounded copolyester. The compounded copolyester resin has excellent flowing property and spinnability, can be used for high-speed spinning, and is also used to produce fibers of various specifications with the filament number being 0.5-10 D to meet different application requirements. The fiber produced from the polyester has long-acting uvioresistant and hydrophilic performance.
Description
Technical field
The present invention relates to synthon and fabric thereof in general, or rather, the present invention relates to the method that a kind of preparation has polyester and the fiber thereof of long-acting hydrophilic uvioresistant performance.
Background technology
Along with the variation of atmospheric environment, the pollution of environment, the ozonosphere of the earth is rapid being damaged.Investigator's recent findings is arranged again, and Sunspot Activities was frequent in recent years, and aggravation trend is arranged, and therefore the mankind are being faced with the ultraviolet radiation that strengthens day by day, and human beings'health is on the hazard just day by day.Excessive ultraviolet radiation is to cause tetter, erythema cancer, skin carcinoma, keratitis, cataract etc. to threaten the environmental factors of human health disease.Predict the year two thousand fifty atmospheric advection layer ozone amount according to scientist and will reduce approximately about 20%, ultraviolet ray till that time will bring bigger harm to human health.Therefore, people have developed the fiber with anti-ultraviolet function and the textiles thereof of a large amount of various technology.
Give fabric or fabric anti-ultraviolet effect, can realize by different approaches, the existing fabric faces that adopt apply anti ultraviolet agent more, but the anti-UV fabric through this method processing, its poor durability, anti ultraviolet agent comes off behind life-time service easily, the method for mentioning as patent 200910081977.
It also is the weaving face fabric method of giving the fabric uvioresistant performance commonly used that fabric is carried out organic anti ultraviolet agent processing, but organic anti ultraviolet agent exists certain toxicity and pungency, causes skin chemical allergy easily, and poor durability.
Patent CN 1552765A, patent CN 1800465A, patent CN 101701367 are the methods of adding inorganic anti ultraviolet powder in polymerization process, through spinning, weave, produce the uvioresistant fabric and have long-acting uvioresistant performance.But the addition of the common anti ultraviolet agent of this method can not be high, and the affiliation that adds of inorganic powder material is suppressed the motion of macromolecular chain segment, and the polymer melt kinetic viscosity increases, and addition is more big, and the melt kinetic viscosity is more big, directly causes spinning property to reduce.Must find an optimum point at uvioresistant performance and spinning property like this, reach the requirement of spinning property usually by the addition that reduces inorganic anti ultraviolet agent, though fiber has certain uvioresistant performance, effect is general.
Chinese patent CN101864067A is the uvioresistant performance that further improves polyester, when adding inorganic anti ultraviolet agent, add organic anti ultraviolet agent, the uvioresistant performance of the trevira of producing reaches good, but the common poor heat resistance of organic anti ultraviolet agent, be easy to human body is had side effects, limited its industrialization thus and produced.
In order further to improve the performance of this uvioresistant polyester, special proposition the present invention.
Summary of the invention
The present invention's first purpose is to provide a kind of uvioresistant hydrophilic polyesters, described polyester stable performance, and look good, and good spinnability has better uvioresistant effect;
The present invention's second purpose is to provide the fiber of described uvioresistant hydrophilic polyesters preparation, and described fiber uvioresistant and hydrophilicity are good;
In order to realize the foregoing invention purpose, spy of the present invention provides following technical scheme:
A kind of uvioresistant hydrophilic polyesters, described polyester is prepared from by following composition: dibasic alcohol, diprotic acid, moisture absorption reaction member and uvioresistant additive.
The high molecular weight polyesters that hydrophilic polyesters of the present invention is formed by dibasic alcohol and diprotic acid is the host molecule structure, with the copolymerization of a certain amount of moisture absorption reaction member, the uvioresistant additive is the adding system in polymerization process, forms the composite copolymerization ester that contains the uvioresistant additive.
Dibasic alcohol of the present invention is at least a or several combinations in ethylene glycol, butyleneglycol, propylene glycol, isoamyl glycol, the hexylene glycol, is preferably ethylene glycol or propylene glycol.
Diprotic acid of the present invention is at least a or several combinations in terephthalic acid, hexanodioic acid, Succinic Acid, the m-phthalic acid, is preferably terephthalic acid.
Polymeric reaction condition of the present invention can be with reference to any common pet reaction condition of prior art, pays any creative work and can know and realize goal of the invention and need not those skilled in the art.
Moisture absorption reaction member of the present invention is glycol ether and polyethers;
Described polyethers is preferably at least a or several combinations in polyglycol ether, polypropylene glycol ether, polytetramethylene glycol ether or its copolyether, more preferably polyglycol ether.
The addition of the glycol ether in the hydrophilic unit of the present invention is the 0.01-3% of polymer weight, preferred 0.5-1%;
The weight of polyethers in polymkeric substance is 2-20%, preferred 5-10%;
The pfpe molecule amount is 200-5000, is preferably 600-2000, more preferably 1000-2000;
Along with the increasing of anti ultraviolet agent loading level, polymer malt viscosity increases, and is unfavorable for spinning.The present invention destroys macromolecular regularity by glycol ether and the polyethers that adding has reactive and hydrophilic effect, and flowability makes moderate progress.
Glycol ether effective to saboteur's compound with regular structure wherein, polyethers has the advantages that significantly improve liquidity and improve crystallization velocity, and crystallization velocity is unfavorable for spinning soon.The present invention is unexpected to be found, the two has synergy, when improving liquidity by polyethers, again can crystallization control speed by adding glycol ether, make copolyesters reach the requirement of spinning, particularly spin fiber number at the fine count fiber of 0.8-1.33dex, spinning property and take performance and be better than the antiultraviolet fiber that prior art is produced.
After adding glycol ether and polyethers, because the easy oxidation of ehter bond, so the hue difference of conjugated polyester resin, the light fastness of fiber decreases.Usually can improve the polymkeric substance thermal oxidation by adding oxidation inhibitor such as phosphoric acid ester or Hinered phenols antioxidant in polymerization process, but limited to the copolyesters effect that contains ethers.The present invention finds can effectively to improve the form and aspect of section and to improve the fiber light fastness by add Hinered phenols antioxidant and UV light absorber in polymerization process.The selected oxidation inhibitor of the present invention is preferred 1010, the preferred CHISORB234 of UV light absorber.The two has stoping thermooxidizing and photoxidation that good synergy is arranged.
The B value of the polymer blend of the present invention's preparation has good spinning property below 6, and the fiber hydrophilic effect is good, the uvioresistant performance excellence, and sunlight fastness is more than 4 grades.
Uvioresistant additive of the present invention is the mixture of any one or they in inorganic powder titanium dioxide, silicon-dioxide, the zinc oxide.Diameter of particle is less than 5 microns.A kind of in preferred silicon-dioxide and the zinc oxide or two kinds are compound, and addition is the 0.5-5% of polymer weight, preferred 1-3%.
The uvioresistant additive titanium dioxide of using in the production of polyester, its dispersion treatment technology has been well-known technology, has good uvioresistant effect when loading level reaches higher proportion.
The titanium dioxide of using among the present invention is the titanium dioxide of the process dispersion treatment used with half conventional delustring polyester.The zinc oxide that the present invention mentions and silicon-dioxide have than the better uvioresistant performance of titanium dioxide, the present invention is improved with consistency and the dispersiveness of polymeric system through after the dispersion treatment zinc oxide and silicon-dioxide powdery at all, can improve addition, obtain better uvioresistant effect, dispersion agent is to add water-soluble mineral compound, as sodium polyphosphate etc., reach zinc oxide and silicon-dioxide and in glycol system, evenly disperse, stop the effect of reuniting.
Preparation technology of the present invention carries out according to the normal polyester production technique, and wherein the uvioresistant additive can be according to technological process adding system after making beating still or the esterification.Can produce at the semicontinuous device of industrialization and serialization polyester device.
Composite copolymerization ester of the present invention, the moisture absorption unit can be according to technological process adding system after making beating still or the esterification.Can produce at the semicontinuous device of industrialization and serialization polyester device, production process and control are suitable with the production normal polyester, its reaction conditions those skilled in the art need not to pay more creative work for this reason again, and the realization of the object of the invention is not subjected to the influence of reaction conditions.
Polyester of the present invention can carry out fiber process with conventional device for spinning, and spinning jet used can be normal conventional spinning jet, different cross section spinning jet or hollow type spinning jet; Different cross section spinning jet can be I shape, cross, W type cross section; Can be processed into various fibrous textures and specifications such as POY, DTY, FDY and staple fibre, spinning temperature can be than the low 5-10 degree of normal polyester.
Antiultraviolet fiber of the present invention can purely spin or blending and interweave and be processed into various textiless, as knitted fabrics, woven fabrics, non-woven fabrics etc.
Polyester provided by the present invention has following advantage:
(1) the polyester good fluidity, the modest viscosity that provide are suitable for the processing and preparing of fiber more;
(2) polyester that provides has better uvioresistant effect.
(3) the copolyesters form and aspect of Sheng Chaning are good, and the fiber sunlight fastness is good.
Embodiment
Below with embodiment technical scheme of the present invention is further described; to help the advantage to technical scheme of the present invention; effect has further to be understood, and embodiment does not limit protection scope of the present invention, and protection scope of the present invention is decided by claim.
Embodiment 1
Ethylene glycol, terephthalic acid are carried out esterification.After esterification finishes be that 1000 polyglycol ether and glycol ether adding system are carried out precondensation, the poly-reaction of final minification with antioxidant 1010,622, zinc oxide and molecular weight, obtain composite copolymerization ester resin, limiting viscosity is 0.7, wherein zinc oxide accounts for 1% of polymer weight, polyethers accounts for 3% of polymer weight, it is 0.2% that glycol ether accounts for polymer weight 0.5%, 1010 addition, and UV light absorber chisorb234 addition is 0.1%.The composite copolymerization ester is prepared the DTY of 75D/72F through melt-spinning.The soak time that drips of its knitted fabrics is 2s, and drying rate is 0.2g/h, and the UPF value is 60, and the B value of section is 6, and the light fastness of fiber is 4.
Embodiment 2
Ethylene glycol, terephthalic acid are carried out esterification.After esterification finishes be that 2000 polyglycol ether and glycol ether adding system are carried out precondensation, the poly-reaction of final minification with oxidation inhibitor, silicon-dioxide and molecular weight, obtain composite copolymerization ester resin, limiting viscosity is 0.7, wherein 2% of the silica comprises polymer weight, polyethers accounts for 6% of polymer weight, glycol ether accounts for 1% of polymer weight, and the antioxidant 1010 addition is 0.2%, and the addition of UV light absorber chisorb234 is 0.1%.The composite copolymerization ester is prepared the DTY of 75D/72F through melt-spinning.The soak time that drips of its knitted fabrics is 1s, and drying rate is 0.2g/h, and the UPF value is 120, and section B value is 5, and the fiber light fastness is 5.
Embodiment 3
Ethylene glycol, terephthalic acid are carried out esterification.After esterification finishes being that 1000 polyglycol ether and a contracting glycol ether adding system are carried out precondensation, final minification is poly-with oxidation inhibitor, titanium dioxide and molecular weight reacts, obtain composite copolymerization ester resin, limiting viscosity is 0.7, wherein titanium dioxide accounts for 2% of polymer weight, polyethers accounts for 5% of polymer weight, one contracting glycol ether accounts for 1% of polymer weight, and the antioxidant 1010 addition is 0.2%, and the addition of UV light absorber chisorb234 is 0.1%.The composite copolymerization ester is prepared the DTY of 75D/72F through melt-spinning.The soak time that drips of its knitted fabrics is 1s, and drying rate is 0.2g/h, and the UPF value is 80, and section B value is 5, and the fiber light fastness is 5.
Embodiment 4
Ethylene glycol, terephthalic acid are carried out esterification.After esterification finishes being that 2000 polyglycol ether and a contracting glycol ether adding system are carried out precondensation, final minification is poly-with oxidation inhibitor, zinc oxide, the compound anti ultraviolet agent of titanium dioxide and molecular weight reacts, obtain composite copolymerization ester resin, limiting viscosity is 0.7, wherein zinc oxide accounts for 1% of polymer weight, titanium dioxide accounts for 1% of polymer weight, polyethers accounts for 6% of polymer weight, and the antioxidant 1010 addition is 0.2%, and the addition of UV light absorber chisorb234 is 0.1%.The composite copolymerization ester is prepared the DTY of 100D/72F through melt-spinning.The soak time that drips of its knitted fabrics is 1s, and drying rate is 0.21g/h, and the UPF value is 80, and section B value is 5, and the fiber light fastness is 5.
Embodiment 5
Ethylene glycol, terephthalic acid are carried out esterification.After esterification finishes being that 2000 polyglycol ether and a contracting glycol ether adding system are carried out precondensation, final minification is poly-with oxidation inhibitor, silicon-dioxide, the compound anti ultraviolet agent of titanium dioxide and molecular weight reacts, obtain composite copolymerization ester resin, limiting viscosity is 0.75, wherein 0.5% of the silica comprises polymer weight, titanium dioxide accounts for 0.5% of polymer weight, polyethers accounts for 6% of polymer weight, one contracting glycol ether accounts for 0.8% of polymer weight, the antioxidant 1010 addition is 0.2%, and the addition of UV light absorber chisorb234 is 0.1%.The composite copolymerization ester is prepared the staple fibre that specification is 1.56dtex * 38mm through melt-spinning.Its pure soak time that drips that spins knitted fabrics is 1s, and drying rate is 0.21g/h, and the UPF value is 59, and section B value is 5, and the fiber light fastness is 5.
Embodiment 6
Propylene glycol, terephthalic acid are carried out esterification.After esterification finishes being that 2000 polyglycol ether and a contracting glycol ether adding system are carried out precondensation, final minification is poly-with oxidation inhibitor, silicon-dioxide and molecular weight reacts, obtain composite copolymerization ester resin, limiting viscosity is 0.7, wherein 2% of the silica comprises polymer weight, polyethers accounts for 4% of polymer weight, one contracting glycol ether accounts for 1% of polymer weight, and the antioxidant 1010 addition is 0.2%, and the addition of UV light absorber chisorb234 is 0.1%.The composite copolymerization ester is prepared the DTY of 75D/72F through melt-spinning.The soak time that drips of its knitted fabrics is 2s, and drying rate is 0.2g/h, and the UPF value is 50, and section B value is 5, and the fiber light fastness is 5.
Embodiment 7
Butyleneglycol, terephthalic acid are carried out esterification.After esterification finishes being that 2000 polyglycol ether and a contracting glycol ether adding system are carried out precondensation, final minification is poly-with oxidation inhibitor silicon-dioxide and molecular weight reacts, obtain composite copolymerization ester resin, limiting viscosity is 0.7, wherein 1% of the silica comprises polymer weight, polyethers accounts for 8% of polymer weight, one contracting glycol ether accounts for 0.6% of polymer weight, and the antioxidant 1010 addition is 0.2%, and the addition of UV light absorber chisorb234 is 0.1%.The composite copolymerization ester is prepared the DTY of 75D/72F through melt-spinning.The soak time that drips of its knitted fabrics is 2s, and drying rate is 0.2g/h, and the UPF value is 50, and section B value is 5, and the fiber light fastness is 5.
Embodiment 8
Ethylene glycol, terephthalic acid are carried out esterification.After esterification finishes being that 2000 polypropylene glycol ether and a contracting glycol ether adding system are carried out precondensation, final minification is poly-with oxidation inhibitor, silicon-dioxide and molecular weight reacts, obtain composite copolymerization ester resin, limiting viscosity is 0.7, wherein 1% of the silica comprises polymer weight, polyethers accounts for 7% of polymer weight, one contracting glycol ether accounts for 1% of polymer weight, and the antioxidant 1010 addition is 0.2%, and the addition of UV light absorber chisorb234 is 0.1%.The composite copolymerization ester is prepared the DTY of 75D/72F through melt-spinning.The soak time that drips of its knitted fabrics is 1s, and drying rate is 0.2g/h, and the UPF value is 50, and section B value is 5, and the fiber light fastness is 5.
Embodiment 9
Ethylene glycol, terephthalic acid are carried out esterification.After esterification finishes being that 2000 polytetrahydrofuran and a contracting glycol ether adding system are carried out precondensation, final minification is poly-with oxidation inhibitor, silicon-dioxide and molecular weight reacts, obtain composite copolymerization ester resin, limiting viscosity is 0.7, wherein 1% of the silica comprises polymer weight, polyethers accounts for 6% of polymer weight, one contracting glycol ether accounts for 0.02% of polymer weight, and the antioxidant 1010 addition is 0.2%, and the addition of UV light absorber chisorb234 is 0.1%.The composite copolymerization ester is prepared the DTY of 75D/72F through melt-spinning.The soak time that drips of its knitted fabrics is 2s, and drying rate is 0.2g/h, and the UPF value is 50, and section B value is 5, and the fiber light fastness is 5.
Claims (9)
1. a uvioresistant hydrophilic polyesters is characterized in that, described polyester is prepared from by following composition: dibasic alcohol, diprotic acid, moisture absorption reaction member and uvioresistant additive.
2. uvioresistant hydrophilic polyesters according to claim 1 is characterized in that, described dibasic alcohol is at least a or several combinations in ethylene glycol, butyleneglycol, propylene glycol, isoamyl glycol, the hexylene glycol, is preferably ethylene glycol or propylene glycol; Described diprotic acid is at least a or several combinations in terephthalic acid, hexanodioic acid, Succinic Acid, the m-phthalic acid, is preferably terephthalic acid.
3. uvioresistant hydrophilic polyesters according to claim 1 is characterized in that, described moisture absorption reaction member is glycol ether and polyethers; Polyethers is preferably at least a or several combinations in polyglycol ether, polypropylene glycol ether, polytetramethylene glycol ether or its copolyether, more preferably polyglycol ether.
4. uvioresistant hydrophilic polyesters according to claim 3 is characterized in that, the addition of described glycol ether is the 0.01-3% of polymer weight, preferred 0.5-1%; The addition of described polyethers is the 2-20% of polymer weight, is preferably 5-10%.
5. uvioresistant hydrophilic polyesters according to claim 3 is characterized in that, described pfpe molecule amount is 200-5000, is preferably 600-2000, more preferably 1000-2000.
6. according to claim 1 or described uvioresistant hydrophilic polyesters, it is characterized in that, described uvioresistant additive is any one or several mixture in titanium dioxide, silicon-dioxide, the zinc oxide, and it is compound to be preferably a kind of in silicon-dioxide and the zinc oxide or two kinds.
7. uvioresistant hydrophilic polyesters according to claim 1 is characterized in that, described uvioresistant additive amount is the 0.5-5% of polymer weight, preferred 1-3%.
8. uvioresistant hydrophilic polyesters according to claim 7 is characterized in that, described uvioresistant additive is through dispersion treatment.
9. the fiber of any described uvioresistant hydrophilic polyesters preparation of a claim 1～8.
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| CN201110460115.5A CN103183815B (en) | 2011-12-31 | 2011-12-31 | Uvioresistant hydrophilic polyester and fiber prepared from uvioresistant hydrophilic polyester |
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| CN201110460115.5A CN103183815B (en) | 2011-12-31 | 2011-12-31 | Uvioresistant hydrophilic polyester and fiber prepared from uvioresistant hydrophilic polyester |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321040A (en) * | 2013-07-08 | 2013-09-25 | 吴江龙纺纺织有限公司 | Production process of sunscreen fabric for making sunscreen clothing |
| CN104831375A (en) * | 2015-04-28 | 2015-08-12 | 苏州如盛化纤有限公司 | Dull polyester FDY (fully drawn yarn) slub filament yarn and production method thereof |
| CN107904682A (en) * | 2017-12-14 | 2018-04-13 | 江苏恒力化纤股份有限公司 | Elastic force imitates linen-cotton polyester fiber and preparation method thereof |
| CN109112688A (en) * | 2018-08-24 | 2019-01-01 | 浙江蓝天海纺织服饰科技有限公司 | A kind of UV resistance and absorbing fast-drying yarn and its production technology and application |
| CN110387600A (en) * | 2019-07-22 | 2019-10-29 | 海西纺织新材料工业技术晋江研究院 | It inhales acid and inhales alkali core-skin composite fiber and preparation method thereof |
| CN111945248A (en) * | 2020-08-22 | 2020-11-17 | 浙江裕源纺织有限公司 | Anti-ultraviolet composite DTY fiber and preparation method thereof |
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| US5833901A (en) * | 1996-03-28 | 1998-11-10 | Bo-Hyun Paik | Process of making synthetic yarn |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103321040A (en) * | 2013-07-08 | 2013-09-25 | 吴江龙纺纺织有限公司 | Production process of sunscreen fabric for making sunscreen clothing |
| CN104831375A (en) * | 2015-04-28 | 2015-08-12 | 苏州如盛化纤有限公司 | Dull polyester FDY (fully drawn yarn) slub filament yarn and production method thereof |
| CN107904682A (en) * | 2017-12-14 | 2018-04-13 | 江苏恒力化纤股份有限公司 | Elastic force imitates linen-cotton polyester fiber and preparation method thereof |
| CN109112688A (en) * | 2018-08-24 | 2019-01-01 | 浙江蓝天海纺织服饰科技有限公司 | A kind of UV resistance and absorbing fast-drying yarn and its production technology and application |
| CN110387600A (en) * | 2019-07-22 | 2019-10-29 | 海西纺织新材料工业技术晋江研究院 | It inhales acid and inhales alkali core-skin composite fiber and preparation method thereof |
| CN110387600B (en) * | 2019-07-22 | 2021-10-26 | 海西纺织新材料工业技术晋江研究院 | Acid and alkali absorption sheath-core composite fiber and preparation method thereof |
| CN111945248A (en) * | 2020-08-22 | 2020-11-17 | 浙江裕源纺织有限公司 | Anti-ultraviolet composite DTY fiber and preparation method thereof |
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| CN103183815B (en) | 2015-07-22 |
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