CN105019059A - Super-soft superfine polyester fiber and preparation method thereof - Google Patents
Super-soft superfine polyester fiber and preparation method thereof Download PDFInfo
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- CN105019059A CN105019059A CN201510465375.XA CN201510465375A CN105019059A CN 105019059 A CN105019059 A CN 105019059A CN 201510465375 A CN201510465375 A CN 201510465375A CN 105019059 A CN105019059 A CN 105019059A
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- polyester fiber
- oxirane
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- hyperfine polyester
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- 239000000835 fiber Substances 0.000 title claims abstract description 98
- 229920000728 polyester Polymers 0.000 title claims abstract description 92
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 229920000570 polyether Polymers 0.000 claims abstract description 49
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 43
- 238000004804 winding Methods 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000009998 heat setting Methods 0.000 claims abstract description 10
- 229920005604 random copolymer Polymers 0.000 claims abstract description 5
- 238000002074 melt spinning Methods 0.000 claims abstract description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 84
- 239000003921 oil Substances 0.000 claims description 47
- -1 phosphate kalium salt Chemical class 0.000 claims description 41
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 40
- 239000001294 propane Substances 0.000 claims description 40
- JECYNCQXXKQDJN-UHFFFAOYSA-N 2-(2-methylhexan-2-yloxymethyl)oxirane Chemical compound CCCCC(C)(C)OCC1CO1 JECYNCQXXKQDJN-UHFFFAOYSA-N 0.000 claims description 32
- 239000000975 dye Substances 0.000 claims description 32
- 229910019142 PO4 Inorganic materials 0.000 claims description 29
- 239000010452 phosphate Substances 0.000 claims description 29
- 238000004043 dyeing Methods 0.000 claims description 25
- 229910052708 sodium Inorganic materials 0.000 claims description 24
- 239000011734 sodium Substances 0.000 claims description 24
- 239000002480 mineral oil Substances 0.000 claims description 22
- 235000010446 mineral oil Nutrition 0.000 claims description 22
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical group CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 16
- 238000010792 warming Methods 0.000 claims description 16
- 239000012298 atmosphere Substances 0.000 claims description 15
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 11
- 239000000839 emulsion Substances 0.000 claims description 11
- 239000003999 initiator Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000009835 boiling Methods 0.000 claims description 9
- 208000011580 syndromic disease Diseases 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000000986 disperse dye Substances 0.000 claims description 8
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 claims description 5
- QZRMKGRPCTVXBS-UHFFFAOYSA-N 2,6,8-trimethylnonan-4-yl dihydrogen phosphate Chemical compound CC(C)CC(C)CC(CC(C)C)OP(O)(O)=O QZRMKGRPCTVXBS-UHFFFAOYSA-N 0.000 claims description 5
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 5
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 5
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 5
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 5
- 239000001103 potassium chloride Substances 0.000 claims description 5
- 235000011164 potassium chloride Nutrition 0.000 claims description 5
- TYWMIZZBOVGFOV-UHFFFAOYSA-N tetracosanyl alcohol Natural products CCCCCCCCCCCCCCCCCCCCCCCCO TYWMIZZBOVGFOV-UHFFFAOYSA-N 0.000 claims description 5
- MHXFWEJMQVIWDH-UHFFFAOYSA-N 1-amino-4-hydroxy-2-phenoxyanthracene-9,10-dione Chemical compound C1=C(O)C=2C(=O)C3=CC=CC=C3C(=O)C=2C(N)=C1OC1=CC=CC=C1 MHXFWEJMQVIWDH-UHFFFAOYSA-N 0.000 claims description 4
- CBHJHZNFYLMFGZ-UHFFFAOYSA-N [Na].CCCCCCCCCCCCCCCS(O)(=O)=O Chemical compound [Na].CCCCCCCCCCCCCCCS(O)(=O)=O CBHJHZNFYLMFGZ-UHFFFAOYSA-N 0.000 claims description 4
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 12
- 239000011737 fluorine Substances 0.000 abstract description 12
- 229910052731 fluorine Inorganic materials 0.000 abstract description 12
- 239000004744 fabric Substances 0.000 abstract description 6
- 239000008041 oiling agent Substances 0.000 abstract 3
- HFNPKDDYCOMYLN-UHFFFAOYSA-N 2-(1,1,2,2-tetrafluoroethoxymethyl)oxirane Chemical compound FC(F)C(F)(F)OCC1CO1 HFNPKDDYCOMYLN-UHFFFAOYSA-N 0.000 abstract 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 abstract 1
- 239000002932 luster Substances 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 150000008052 alkyl sulfonates Chemical class 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical class [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 229920004933 Terylene® Polymers 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to a super-soft superfine polyester fiber and a preparation method thereof. The super-soft superfine polyester fiber is mainly prepared by the steps of melt spinning of polyester through spinneret holes, application of an oiling agent and high-speed winding, wherein the oiling agent at least comprises fluorine-containing polyether, the mass of which is more than or equal to 45% of that of the oiling agent, the fluorine-containing polyether is a random copolymer of ethylene oxide, [(1,1,2,2-tetrafluoroethoxy) methyl] oxirane and propylene oxide, and the structural formula of the random copolymer is shown in the specification. The preparation method comprises the steps of metering, extruding, cooling, oiling, stretching, heat setting and high-speed winding of polyester, thereby obtaining the super-soft superfine polyester fiber. As the filament fineness of the super-soft superfine polyester fiber is very high, a fabric has advantages of specially soft and fine hand feeling, soft luster, comfortableness, breathability and good appearance texture and is easy to care, thus being popular with users more and more.
Description
Technical field
The present invention relates to a kind of super soft hyperfine polyester fiber and preparation method thereof.
Background technology
Polyethylene terephthalate (PET) fiber is since appearance, and obtain because of the performance of its excellence and rapidly develop, its output has become the hat of world's synthetic fiber.Polyester fiber has fracture strength and elastic modelling quantity is high, and resilience is moderate, and HEAT SETTING is excellent, a series of premium properties such as the good and acid-fast alkali-proof corrosion resistance of heat-resisting light resistance, and fabric has the advantages such as crease-resistant, stiffness is good, so, the fields such as polyester fiber is widely used in clothes, family is spun.
The change of sharply expansion and the international situation of polyester production capacity, people have had higher requirement to the comfort of clothing, functional, diversified and security, the super soft superfine denier polyester products such as terylene 22dtex/48f, 22dtex/72f, 33dtex/72f, its fabric is with the feel of particularly soft exquisiteness, comfortable ventilating, be easy to nursing and the good superiority of the texture of outward appearance, more and more obtain the favor of user.
Produce super soft hyperfine polyester fiber polyester filament individual thread many, specific area is large, not easily oils, and finish is difficult to attachment evenly on the surface of strand, the coherent of tow is poor, easily produces lousiness and broken end in production process.By selecting Overseas New oil nozzle, tow better being oiled effect, also suitably improves the oil content of FDY strand simultaneously.The oil product that selected area update strategy diffusivity is good, wettability is good, overall improve super soft hyperfine polyester fiber and to oil uniformity, to ensureing that the quality of product will play larger effect.
Summary of the invention
The object of this invention is to provide a kind of super soft hyperfine polyester fiber and preparation method thereof, the present invention prepares super soft hyperfine polyester fiber by the use of the design and fluorine-containing finish that utilize the polyester fondant of high-quality, special spinneret orifice and high speed spinning.Finish of the present invention is made up of mineral oil, fluorochemical polyether, phosphate kalium salt and sodium alkyl sulfonate, and the working concentration of described finish is 10 ~ 20wt%.The composition of the fluorochemical polyether ethylene oxide base monomer used in the present invention is moderate, introduce [(1 simultaneously, 1,2,2-tetrafluoro ethyoxyl) methyl] oxirane, add the hydrogen bond in system, the increase of hydrogen bond is conducive to the raising of cloud point, because still keeping the quality of finish a bit while the working concentration at increase finish.The increase of finish working concentration can greatly reduce the consumption of energy in finish dry run, conserve energy.
A kind of super soft hyperfine polyester fiber, mainly polyester is obtained by the preparation of spinneret orifice melt spinning, oil agent and high-speed winding; The finish of described oil agent at least comprises fluorochemical polyether, 45% of the quality of the quality >=described finish of fluorochemical polyether; Described fluorochemical polyether is the random copolymer of oxirane, [(1,1,2,2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane, and its structural formula is:
Wherein, m=10 ~ 20, n=20 ~ 30, k=1 ~ 3;
Fracture strength >=the 3.8cN/dtex of described super soft hyperfine polyester fiber, elongation at break is 35.0 ± 3.0%, and filament number is 0.20 ~ 0.50dtex.
The flexibility of super soft hyperfine polyester fiber is very thin mainly due to its filament number, and multifilament total fiber number also compared with and embody, its fabric has the feel of particularly soft exquisiteness, and gloss is soft, comfortable ventilating.
Described fluorochemical polyether can not only provide good level and smooth, emulsification and wetting function, can also provide a large amount of hydrogen bonds, improve cloud point, be conducive to the raising that finish uses high concentration, conserve energy for finish system.Oxirane (EO)/expoxy propane (PO) ratio is one of most important index of polyethers, also very large on the impact of polyethers performance.Pfpe molecule chain is arranged by multiple EO and PO chain link and forms, and compared with EO, PO chain link has a side base, sterically hindered larger.EO/PO is than increasing, and namely PO chain link reduces, and pending methyl group quantity declines, and intermolecular space steric hindrance reduces, and the hydrogen chain number formed between hydrone is many, so cloud point also raises.In pfpe molecule chain, the existence of branched structure can reduce surface tension simultaneously, improves wetting speed, increases with EO/PO, PO chain link containing branched chain methyl reduces, thus surface tension raises, and wetting speed slows down, and therefore must contain a certain amount of PO in polyethers macromolecular chain.But the hydrogen bond that polyethers and hydrone are formed mainly relies on the oxygen atom in ether, so cloud point raises limited, [(1,1,2,2-tetrafluoro ethyoxyl) methyl] introducing of oxirane, due to the existence of fluorine element, and the hydrogen bond number formed between hydrone is many will be increased, the cloud point of polyether aqueous solution can be improved further; Fluorine element is all in branched positional simultaneously, will reduce the surface tension of polyethers further.When finish forms oil film, fluorine element can, at surface enrichment, due to the characteristic of fluorine element, make the flatness of finish be further enhanced.
As preferred technical scheme:
The super soft hyperfine polyester fiber of one as above, the relative molecular weight of described fluorochemical polyether is 1000 ~ 4000; The cloud point of described fluorochemical polyether is 50 ~ 100 DEG C; Surface tension 25 ~ the 40dyn/cm of described fluorochemical polyether.
The super soft hyperfine polyester fiber of one as above, also comprises mineral oil, phosphate kalium salt and sodium alkyl sulfonate in described finish; Mineral oil has good heat resistance, has good compatibility with other component, and it has and oils evenly, and the feature that film strength is high, effectively can also reduce the coefficient of friction of fiber and metal, and the cohesive force of increase fiber, is conducive to boundling.Adopt anionic antistatic agent, can realize surface hydrophilic, the heat resistance of phosphate kalium salt is relatively good, good antistatic behaviour, can the antistatic effect of fortifying fibre, is conducive to the boundling of fiber.Sodium alkyl sulfonate add the penetrating power that can improve finish, make finish to be attached on tow in the short period of time uniformly, effectively can reduce the appearance of lousiness, broken end.
By weight: mineral oil is 25 ~ 35 parts; Fluorochemical polyether is 50 ~ 70 parts; Phosphate kalium salt is 8 ~ 15 parts; Sodium alkyl sulfonate is 2 ~ 7 parts;
Described mineral oil is the one in the mineral oil of 9# ~ 17#; Described phosphate kalium salt is the one in 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, isomerous tridecanol polyoxyethylene ether phosphate kalium salt and ten tetracosanol phosphate kalium salts; Described sodium alkyl sulfonate is the one in dodecyl sodium sulfate, pentadecyl sulfonic acid sodium and sodium cetanesulfonate;
Described finish in use, is configured to water the emulsion that oil concentration is 10 ~ 20wt%.High speed spinning is high to the conditional request that oils, and the uniformity that oils directly has influence on bar dry values and the dyeing uniformity of fiber, the fluorine-containing oil product that selected area update strategy diffusivity is good.
The super soft hyperfine polyester fiber of one as above, described super soft hyperfine polyester fiber line density deviation ratio≤0.5%, fracture strength CV value≤3.0%, extension at break CV value≤8.0%, yarn unevenness CV≤2.00%, boiling water shrinkage 7.5 ± 0.5%, oil content 1.00 ± 0.20%.
Present invention also offers a kind of preparation method of super soft hyperfine polyester fiber, by polyester through measuring, extruding, cool, oil, stretch, HEAT SETTING and high-speed winding, obtained super soft hyperfine polyester fiber;
The described temperature extruded is 290 ~ 295 DEG C;
The wind-warm syndrome of described cooling is 20 ~ 25 DEG C;
HT1：75～95℃；
HT2：120～130℃；
Described high-speed winding speed is 4000 ~ 5000m/min;
The described finish preparation method oiled:
By initiator and highly basic blended, then 105 ~ 125 DEG C are warming up to, add the oxirane, [(1 mixed again, 1,2,2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane, carry out polymerisation under protective atmosphere, reaction pressure is less than 0.4MPa, namely obtains fluorochemical polyether after reaching predetermined molecular weight;
Then, fluorochemical polyether, phosphate kalium salt and sodium alkyl sulfonate normal temperature are mixed, and then join in mineral oil by mixture, temperature controls, for 40-55 DEG C, to stir 1 ~ 3h, namely obtain described finish;
By weight:
Described finish in use, is configured to water the emulsion that oil concentration is 10 ~ 20wt%.
The super soft hyperfine polyester fiber of one as above, described initiator is butanols, and the amount of described butanols is the 1-5 ‰ of oxirane, [(1,1,2,2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass; Described highly basic is potassium hydroxide or NaOH; The amount of described highly basic is the 1-5 ‰ of oxirane, [(1,1,2,2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass.
The super soft hyperfine polyester fiber of one as above, the consumption of described oxirane, [(1,1,2,2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane is 10 ~ 20:1 ~ 3:20 ~ 30 in molar ratio.
The super soft hyperfine polyester fiber of one as above, described protective atmosphere is nitrogen atmosphere or inert gas atmosphere; Described predetermined molecular weight refers to that the relative molecular weight of product is 1000 ~ 4000.
The super soft hyperfine polyester fiber of one as above, described in reach predetermined molecular weight after product also carry out neutralizing, adsorb, vacuum dehydration, drying and filter.
The super soft hyperfine polyester fiber of one as above, the dyeing of described super soft hyperfine polyester fiber is:
Dyeing DISPERSE DYES is Disperse Red 3B, disperse blue SE-2R or disperses bright blue S-GL, and fiber dyes respectively in High Temperature High Pressure machine; Before dye, fiber non-ionic surface active agent was 60 DEG C of process 30 minutes; Dye dosage is 2.0% (o.w.f); Dispersant NNO1.2g/L, pH value is 5, and bath raio is 1:50, and 60 DEG C enter dye, are warming up to 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C each constant temperature dyeing 1h.
The super soft hyperfine polyester fiber of one of the present invention, because its filament number is very thin, its fabric is with the feel of particularly soft exquisiteness, and gloss is soft, comfortable ventilating, is easy to nursing and the good superiority of the texture of outward appearance, more and more obtains the favor of user.
Beneficial effect:
1, super soft hyperfine polyester fiber is the particular fabric raw material with unique aesthetic feeling and function.
2, fluorine-containing finish is adopted, the composition of the polyethers ethylene oxide base monomer in finish is moderate, introduce [(1 simultaneously, 1,2,2-tetrafluoro ethyoxyl) methyl] oxirane, add the hydrogen bond in system, the increase of hydrogen bond is conducive to the raising of cloud point, while the working concentration increasing finish, therefore still can keep the quality of finish.
3, when spinning oil forms oil film, fluorine element at surface enrichment, due to the characteristic of fluorine element, can make the flatness of finish be further enhanced, decreases the damage of fiber in running.Fluorine element is all in branched positional simultaneously, will reduce the surface tension of finish further.
Detailed description of the invention
Below in conjunction with detailed description of the invention, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
The super soft hyperfine polyester fiber of one of the present invention, super soft hyperfine polyester fiber mainly polyester is obtained by the preparation of spinneret orifice melt spinning, oil agent and high-speed winding; The finish of described oil agent at least comprises fluorochemical polyether, 45% of the quality of the quality >=described finish of fluorochemical polyether; Described fluorochemical polyether is the random copolymer of oxirane, [(1,1,2,2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane, and its structural formula is:
Wherein, m=10 ~ 20, n=20 ~ 30, k=1 ~ 3;
Fracture strength >=the 3.8cN/dtex of described super soft hyperfine polyester fiber, elongation at break is 35.0 ± 3.0%, and filament number is 0.20 ~ 0.50dtex.
Wherein, the relative molecular weight of described fluorochemical polyether is 1000 ~ 4000; The cloud point of described fluorochemical polyether is 50 ~ 100 DEG C; Surface tension 25 ~ the 40dyn/cm of described fluorochemical polyether; Mineral oil, phosphate kalium salt and sodium alkyl sulfonate is also comprised in described finish;
By weight: mineral oil is 25 ~ 35 parts; Fluorochemical polyether is 50 ~ 70 parts; Phosphate kalium salt is 8 ~ 15 parts; Sodium alkyl sulfonate is 2 ~ 7 parts;
Described mineral oil is the one in the mineral oil of 9# ~ 17#; Described phosphate kalium salt is the one in 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, isomerous tridecanol polyoxyethylene ether phosphate kalium salt and ten tetracosanol phosphate kalium salts; Described sodium alkyl sulfonate is the one in dodecyl sodium sulfate, pentadecyl sulfonic acid sodium and sodium cetanesulfonate;
Described finish in use, is configured to water the emulsion that oil concentration is 10 ~ 20wt%.
Super soft hyperfine polyester fiber of the present invention line density deviation ratio≤0.5%, fracture strength CV value≤3.0%, extension at break CV value≤8.0%, yarn unevenness CV≤2.00%, boiling water shrinkage 7.5 ± 0.5%, oil content 1.00 ± 0.20%.
Embodiment 1
A kind of preparation method of super soft hyperfine polyester fiber, first the finish oiled is prepared, its concrete preparation process is: by initiator butanols and highly basic potassium hydroxide blended, then 105 DEG C are warming up to, add the oxirane mixed again, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane, the amount of butanols is oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass 1 ‰, the amount of highly basic potassium hydroxide is oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass 1 ‰, oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] consumption of oxirane and expoxy propane is 10:1:20 in molar ratio, polymerisation is carried out under protective atmosphere is nitrogen atmosphere, reaction pressure is 0.4MPa, reaching relative molecular weight is after 1000, namely fluorochemical polyether is obtained, its cloud point is 50 DEG C, its surface tension 25dyn/cm,
Then, fluorochemical polyether, phosphate kalium salt 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite and sodium alkyl sulfonate dodecyl sodium sulfate normal temperature are mixed, and then mixture is joined in mineral oil, it is 40 DEG C that temperature controls, stir 1h, namely obtain finish, finish in use, is configured to water the emulsion that oil concentration is 10wt%;
By weight:
Then by polyester through measuring, extruding, cool, oil, stretch, HEAT SETTING and high-speed winding, obtained super soft hyperfine polyester fiber;
The temperature extruded is 290 DEG C;
The wind-warm syndrome of cooling is 20 DEG C;
HT1：75℃
HT2：120℃
High-speed winding speed is 4000m/min;
The fracture strength of super soft hyperfine polyester fiber: 3.8cN/dtex, elongation at break is 37.0%, and filament number is 0.50dtex; Line density deviation ratio: 0.5%, fracture strength CV value: 2.0%, extension at break CV value: 6.0%, yarn unevenness CV:1.00%, boiling water shrinkage 7.5%, oil content 1.00%.
This super soft hyperfine polyester fiber dyeing:
Dyeing DISPERSE DYES is Disperse Red 3B, and fiber dyes respectively in High Temperature High Pressure machine; Before dye, fiber non-ionic surface active agent was 60 DEG C of process 30 minutes; Dye dosage is 2.0% (o.w.f); Dispersant NNO1.2g/L, pH value is 5, and bath raio is 1:50, and 60 DEG C enter dye, are warming up to 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C each constant temperature dyeing 1h.
Embodiment 2
A kind of preparation method of super soft hyperfine polyester fiber, first the finish oiled is prepared, its concrete steps are: by initiator butanols and highly basic NaOH blended, then 125 DEG C are warming up to, add the oxirane mixed again, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane, the amount of butanols is oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass 5 ‰, the amount of highly basic NaOH is oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass 5 ‰, oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] consumption of oxirane and expoxy propane is 20:3:30 in molar ratio, polymerisation is carried out under protective atmosphere is inert gas atmosphere, reaction pressure is 0.5MPa, reaching relative molecular weight is after 4000, neutralize, absorption, vacuum dehydration, drying and filtration, namely fluorochemical polyether is obtained, its cloud point is 100 DEG C, its surface tension 32dyn/cm,
Then, fluorochemical polyether, phosphate kalium salt isomerous tridecanol polyoxyethylene ether phosphate kalium salt and sodium alkyl sulfonate dodecyl sodium sulfate normal temperature are mixed, and then mixture is joined in mineral oil, it is 55 DEG C that temperature controls, stir 3h, namely obtain finish, finish in use, is configured to water the emulsion that oil concentration is 20wt%;
By weight:
Then by polyester through measuring, extruding, cool, oil, stretch, HEAT SETTING and high-speed winding, obtained super soft hyperfine polyester fiber;
The temperature extruded is 295 DEG C;
The wind-warm syndrome of cooling is 25 DEG C;
HT1：95℃
HT2：130℃
High-speed winding speed is 5000m/min;
The fracture strength of super soft hyperfine polyester fiber: 3.8cN/dtex, elongation at break is 36.0%, and filament number is 0.20dtex; Line density deviation ratio: 0.5%, fracture strength CV value: 3.0%, extension at break CV value: 8.0%, yarn unevenness CV:2.00%, boiling water shrinkage 7.5%, oil content 1.00%.
This super soft hyperfine polyester fiber dyeing:
Dyeing DISPERSE DYES is disperse blue SE-2R, and fiber dyes respectively in High Temperature High Pressure machine; Before dye, fiber non-ionic surface active agent was 60 DEG C of process 30 minutes; Dye dosage is 2.0% (o.w.f); Dispersant NNO1.2g/L, pH value is 5, and bath raio is 1:50, and 60 DEG C enter dye, are warming up to 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C each constant temperature dyeing 1h.
Embodiment 3
A kind of preparation method of super soft hyperfine polyester fiber, first the finish oiled is prepared, its concrete steps are: by initiator butanols and highly basic NaOH blended, then 115 DEG C are warming up to, add the oxirane mixed again, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane, the amount of butanols is oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass 2 ‰, the amount of highly basic NaOH is oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass 1.5 ‰, oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] consumption of oxirane and expoxy propane is 12:1:30 in molar ratio, polymerisation is carried out under protective atmosphere is inert gas atmosphere, reaction pressure is 0.8MPa, reaching relative molecular weight is after 3000, neutralize, absorption, vacuum dehydration, drying and filtration, namely fluorochemical polyether is obtained, its cloud point is 100 DEG C, its surface tension 40dyn/cm,
Then, fluorochemical polyether, phosphate kalium salt ten tetracosanol phosphate kalium salt and sodium alkyl sulfonate sodium cetanesulfonate normal temperature are mixed, and then mixture is joined in mineral oil, it is 45 DEG C that temperature controls, stir 2h, namely obtain finish, finish in use, is configured to water the emulsion that oil concentration is 18wt%;
By weight:
Then by polyester through measuring, extruding, cool, oil, stretch, HEAT SETTING and high-speed winding, obtained super soft hyperfine polyester fiber;
The temperature extruded is 292 DEG C;
The wind-warm syndrome of cooling is 22 DEG C;
HT1：78℃
HT2：125℃
High-speed winding speed is 4200m/min;
The fracture strength of super soft hyperfine polyester fiber: 4.2cN/dtex, elongation at break is 33.0%, and filament number is 0.30dtex; Line density deviation ratio: 0.4%, fracture strength CV value: 3.5%, extension at break CV value: 7.0%, yarn unevenness CV:1.00%, boiling water shrinkage 7.7%, oil content 0.90%.
This super soft hyperfine polyester fiber dyeing:
Dyeing DISPERSE DYES is the bright blue S-GL of dispersion, and fiber dyes respectively in High Temperature High Pressure machine; Before dye, fiber non-ionic surface active agent was 60 DEG C of process 30 minutes; Dye dosage is 2.0% (o.w.f); Dispersant NNO1.2g/L, pH value is 5, and bath raio is 1:50, and 60 DEG C enter dye, are warming up to 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C each constant temperature dyeing 1h.
Embodiment 4
A kind of preparation method of super soft hyperfine polyester fiber, first the finish oiled is prepared, its concrete steps are: by initiator butanols and highly basic potassium hydroxide blended, then 120 DEG C are warming up to, add the oxirane mixed again, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane, the amount of butanols is oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass 4 ‰, the amount of highly basic potassium hydroxide is oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass 4 ‰, oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] consumption of oxirane and expoxy propane is 20:2:26 in molar ratio, polymerisation is carried out under protective atmosphere is inert gas atmosphere, reaction pressure is 0.8MPa, reaching relative molecular weight is after 2500, neutralize, absorption, vacuum dehydration, drying and filtration, namely fluorochemical polyether is obtained, its cloud point is 80 DEG C, its surface tension 37dyn/cm,
Then, fluorochemical polyether, phosphate kalium salt 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite and sodium alkyl sulfonate dodecyl sodium sulfate normal temperature are mixed, and then mixture is joined in mineral oil, it is 45 DEG C that temperature controls, stir 2h, namely obtain finish, finish in use, is configured to water the emulsion that oil concentration is 18wt%;
By weight:
Then by polyester through measuring, extruding, cool, oil, stretch, HEAT SETTING and high-speed winding, obtained super soft hyperfine polyester fiber;
The temperature extruded is 293 DEG C;
The wind-warm syndrome of cooling is 24 DEG C;
HT1：79℃
HT2：128℃
High-speed winding speed is 4700m/min;
The fracture strength of super soft hyperfine polyester fiber: 4.4cN/dtex, elongation at break is 32.0%, and filament number is 0.40dtex; Line density deviation ratio: 0.4%, fracture strength CV value: 2.0%, extension at break CV value: 7.0%, yarn unevenness CV:1.00%, boiling water shrinkage 7.8%, oil content 1.20%.
This super soft hyperfine polyester fiber dyeing:
Dyeing DISPERSE DYES is Disperse Red 3B, and fiber dyes respectively in High Temperature High Pressure machine; Before dye, fiber non-ionic surface active agent was 60 DEG C of process 30 minutes; Dye dosage is 2.0% (o.w.f); Dispersant NNO1.2g/L, pH value is 5, and bath raio is 1:50, and 60 DEG C enter dye, are warming up to 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C each constant temperature dyeing 1h.
Embodiment 5
A kind of preparation method of super soft hyperfine polyester fiber, first the finish oiled is prepared, its concrete steps are: by initiator butanols and highly basic potassium hydroxide blended, then 125 DEG C are warming up to, add the oxirane mixed again, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane, the amount of butanols is oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass 3 ‰, the amount of highly basic is oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass 3 ‰, oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] consumption of oxirane and expoxy propane is 18:2:20 in molar ratio, polymerisation is carried out under protective atmosphere is nitrogen atmosphere, reaction pressure is 0.9MPa, reaching relative molecular weight is after 2500, neutralize, absorption, vacuum dehydration, drying and filtration, namely fluorochemical polyether is obtained, its cloud point is 70 DEG C, its surface tension 29dyn/cm,
Then, fluorochemical polyether, phosphate kalium salt isomerous tridecanol polyoxyethylene ether phosphate kalium salt and sodium alkyl sulfonate pentadecyl sulfonic acid sodium normal temperature are mixed, and then mixture is joined in mineral oil, it is 48 DEG C that temperature controls, stir 1h, namely obtain finish, finish in use, is configured to water the emulsion that oil concentration is 15wt%;
By weight:
Then by polyester through measuring, extruding, cool, oil, stretch, HEAT SETTING and high-speed winding, obtained super soft hyperfine polyester fiber;
The temperature extruded is 294 DEG C;
The wind-warm syndrome of cooling is 23 DEG C;
HT1：85℃
HT2：126℃
High-speed winding speed is 4300m/min;
The fracture strength of super soft hyperfine polyester fiber: 3.8cN/dtex, elongation at break is 37.0%, and filament number is 0.50dtex; Line density deviation ratio: 0.5%, fracture strength CV value: 3.0%, extension at break CV value: 7.0%, yarn unevenness CV:2.00%, boiling water shrinkage 7.9%, oil content 1.00%.
This super soft hyperfine polyester fiber dyeing:
Dyeing DISPERSE DYES is disperse blue SE-2R, and fiber dyes respectively in High Temperature High Pressure machine; Before dye, fiber non-ionic surface active agent was 60 DEG C of process 30 minutes; Dye dosage is 2.0% (o.w.f); Dispersant NNO1.2g/L, pH value is 5, and bath raio is 1:50, and 60 DEG C enter dye, are warming up to 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C each constant temperature dyeing 1h.
Embodiment 6
A kind of preparation method of super soft hyperfine polyester fiber, first the finish oiled is prepared, its concrete steps are: by initiator butanols and highly basic NaOH blended, then 123 DEG C are warming up to, add the oxirane mixed again, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane, the amount of butanols is oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass 4 ‰, the amount of highly basic is oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass 2 ‰, oxirane, [(1, 1, 2, 2-tetrafluoro ethyoxyl) methyl] consumption of oxirane and expoxy propane is 18:2:26 in molar ratio, polymerisation is carried out under protective atmosphere is nitrogen atmosphere, reaction pressure is 1.0MPa, reaching relative molecular weight is after 1600, neutralize, absorption, vacuum dehydration, drying and filtration, namely fluorochemical polyether is obtained, its cloud point is 82 DEG C, its surface tension 33dyn/cm,
Then, fluorochemical polyether, phosphate kalium salt ten tetracosanol phosphate kalium salt and sodium alkyl sulfonate sodium cetanesulfonate normal temperature are mixed, and then mixture is joined in mineral oil, it is 48 DEG C that temperature controls, stir 2h, namely obtain finish, finish in use, is configured to water the emulsion that oil concentration is 16wt%;
By weight:
Then by polyester through measuring, extruding, cool, oil and high-speed winding, obtained super soft hyperfine polyester fiber;
The temperature extruded is 295 DEG C;
The wind-warm syndrome of cooling is 20 DEG C;
The speed of winding is 6200m/min;
The draw ratio of spinneret orifice is 5, shear rate 3000s
-1;
Spinnerets back pressure 180kg/cm
2.
Then by polyester through measuring, extruding, cool, oil, stretch, HEAT SETTING and high-speed winding, obtained super soft hyperfine polyester fiber;
The temperature extruded is 294 DEG C;
The wind-warm syndrome of cooling is 23 DEG C;
HT1：82℃
HT2：128℃
High-speed winding speed is 4800m/min;
The fracture strength 4.6cN/dtex of super soft hyperfine polyester fiber, elongation at break is 32.0%, and filament number is 0.30dtex; Line density deviation ratio: 0.5%, fracture strength CV value: 3.0%, extension at break CV value 7.0%, yarn unevenness CV:.00%, boiling water shrinkage 7.4%, oil content 1.00%.
This super soft hyperfine polyester fiber dyeing:
Dyeing DISPERSE DYES is the bright blue S-GL of dispersion, and fiber dyes respectively in High Temperature High Pressure machine; Before dye, fiber non-ionic surface active agent was 60 DEG C of process 30 minutes; Dye dosage is 2.0% (o.w.f); Dispersant NNO1.2g/L, pH value is 5, and bath raio is 1:50, and 60 DEG C enter dye, are warming up to 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C each constant temperature dyeing 1h.
Claims (10)
1. a super soft hyperfine polyester fiber, is characterized in that: described super soft hyperfine polyester fiber mainly polyester is obtained by the preparation of spinneret orifice melt spinning, oil agent and high-speed winding; The finish of described oil agent at least comprises fluorochemical polyether, 45% of the quality of the quality >=described finish of fluorochemical polyether; Described fluorochemical polyether is the random copolymer of oxirane, [(1,1,2,2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane, and its structural formula is:
Wherein, m=10 ~ 20, n=20 ~ 30, k=1 ~ 3;
Fracture strength >=the 3.8cN/dtex of described super soft hyperfine polyester fiber, elongation at break is 35.0 ± 3.0%, and filament number is 0.20 ~ 0.50dtex.
2. the super soft hyperfine polyester fiber of one according to claim 1, is characterized in that, the relative molecular weight of described fluorochemical polyether is 1000 ~ 4000; The cloud point of described fluorochemical polyether is 50 ~ 100 DEG C; Surface tension 25 ~ the 40dyn/cm of described fluorochemical polyether.
3. the super soft hyperfine polyester fiber of one according to claim 1, is characterized in that, also comprise mineral oil, phosphate kalium salt and sodium alkyl sulfonate in described finish;
By weight: mineral oil is 25 ~ 35 parts; Fluorochemical polyether is 50 ~ 70 parts; Phosphate kalium salt is 8 ~ 15 parts; Sodium alkyl sulfonate is 2 ~ 7 parts;
Described mineral oil is the one in the mineral oil of 9# ~ 17#; Described phosphate kalium salt is the one in 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, isomerous tridecanol polyoxyethylene ether phosphate kalium salt and ten tetracosanol phosphate kalium salts; Described sodium alkyl sulfonate is the one in dodecyl sodium sulfate, pentadecyl sulfonic acid sodium and sodium cetanesulfonate;
Described finish in use, is configured to water the emulsion that oil concentration is 10 ~ 20wt%.
4. the super soft hyperfine polyester fiber of one according to claim 1, it is characterized in that, described super soft hyperfine polyester fiber line density deviation ratio≤0.5%, fracture strength CV value≤3.0%, extension at break CV value≤8.0%, yarn unevenness CV≤2.00%, boiling water shrinkage 7.5 ± 0.5%, oil content 1.00 ± 0.20%.
5. the preparation method of a kind of super soft hyperfine polyester fiber according to any one of Claims 1 to 4, is characterized in that: by polyester through measuring, extruding, cool, oil, stretch, HEAT SETTING and high-speed winding, obtained super soft hyperfine polyester fiber;
The described temperature extruded is 290 ~ 295 DEG C;
The wind-warm syndrome of described cooling is 20 ~ 25 DEG C;
HT1：75～95℃；
HT2：120～130℃；
Described high-speed winding speed is 4000 ~ 5000m/min;
The described finish preparation method oiled:
By initiator and highly basic blended, then 105 ~ 125 DEG C are warming up to, add the oxirane, [(1 mixed again, 1,2,2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane, carry out polymerisation under protective atmosphere, reaction pressure is less than 0.4MPa, namely obtains fluorochemical polyether after reaching predetermined molecular weight;
Then, fluorochemical polyether, phosphate kalium salt and sodium alkyl sulfonate normal temperature are mixed, and then join in mineral oil by mixture, it is 40 ~ 55 DEG C that temperature controls, and stirs 1 ~ 3h, namely obtains described finish;
By weight
Described finish in use, is configured to water the emulsion that oil concentration is 10 ~ 20wt%.
6. the preparation method of a kind of super soft hyperfine polyester fiber according to claim 5, it is characterized in that, described initiator is butanols, the amount of described butanols is oxirane, [(1,1,2,2-tetrafluoro ethyoxyl) methyl] 1-5 ‰ of oxirane and expoxy propane gross mass; Described highly basic is potassium hydroxide or NaOH; The amount of described highly basic is the 1-5 ‰ of oxirane, [(1,1,2,2-tetrafluoro ethyoxyl) methyl] oxirane and expoxy propane gross mass.
7. the preparation method of a kind of super soft hyperfine polyester fiber according to claim 5, it is characterized in that, described oxirane, [(1,1,2,2-tetrafluoro ethyoxyl) methyl] consumption of oxirane and expoxy propane is 10 ~ 20:1 ~ 3:20 ~ 30 in molar ratio.
8. the preparation method of a kind of super soft hyperfine polyester fiber according to claim 5, it is characterized in that, described protective atmosphere is nitrogen atmosphere or inert gas atmosphere; Described predetermined molecular weight refers to that the relative molecular weight of product is 1000 ~ 4000.
9. the preparation method of a kind of super soft hyperfine polyester fiber according to claim 5, is characterized in that, described in reach predetermined molecular weight after product also carry out neutralizing, adsorb, vacuum dehydration, drying and filter.
10. the preparation method of a kind of super soft hyperfine polyester fiber according to claim 5, is characterized in that, the dyeing of described super soft hyperfine polyester fiber is:
Dyeing DISPERSE DYES is Disperse Red 3B, disperse blue SE-2R or disperses bright blue S-GL, and fiber dyes respectively in High Temperature High Pressure machine; Before dye, fiber non-ionic surface active agent was 60 DEG C of process 30 minutes; Dye dosage is 2.0% (o.w.f); Dispersant NNO1.2g/L, pH value is 5, and bath raio is 1:50, and 60 DEG C enter dye, are warming up to 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C each constant temperature dyeing 1h.
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| CN117684290A (en) * | 2023-11-30 | 2024-03-12 | 江苏恒科新材料有限公司 | Preparation method of ultrafine polyester filament for chenille yarn |
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Effective date of registration: 20210902 Address after: 226368 Hengli Textile New Material Industrial Park, Binjiang New Area (WuJie town), Tongzhou, Nantong City, Jiangsu Province Patentee after: Jiangsu Xuanda polymer material Co.,Ltd. Address before: 226300 Hengli Textile New Material Industrial Park, Binjiang New District (WuJie town), Tongzhou, Nantong City, Jiangsu Province Patentee before: JIANGSU HENGKE NEW MATERIAL Co.,Ltd. |