CN1908259A - Preparation method of hollow multi-micropore polyester filament yarn - Google Patents
Preparation method of hollow multi-micropore polyester filament yarn Download PDFInfo
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- CN1908259A CN1908259A CN 200510041314 CN200510041314A CN1908259A CN 1908259 A CN1908259 A CN 1908259A CN 200510041314 CN200510041314 CN 200510041314 CN 200510041314 A CN200510041314 A CN 200510041314A CN 1908259 A CN1908259 A CN 1908259A
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Abstract
The invention relates to a method for producing polyester filament yarn with hollow porous structure and better wet adsorption function, wherein it uses two kinds of soluble polyester chips with high and low shearing viscosities to be high-speed spinned with normal polyester chip, to change the components of polyester chip, to be dried and processed via hollow ejection plate, POY-DT production line or FDY one-time production time to obtain the hollow polymer filament yarn. Via alkali reduction treatment, and watched under electric scanning fiber scope, the surface of fiber is uniformly distributed with micro concaves, the section has through micro holes, while its wet adsorption property is better than present one.
Description
Technical field
The present invention relates to the production of modified dacron long filament, especially a kind ofly contain the hollow multi-cellular structure, have the production method of the polyester filament of good moisture absorption sweat discharging functions, belong to the synthetic fiber technical field.
Background technology
Continuous improvement along with people's living condition, comfortableness to clothes requires also more and more higher, polyester fiber has a lot of good characteristics as a kind of important textile garment raw material, but because its hydrophobic molecule architectural feature, making people wear dacron clothes health after perspiring has clammy sensation.Improving the moisture absorbing and sweat releasing performance of polyester fiber, is one of important directions of being laid siege to of numerous in recent years chemical fibre manufacturer.According to patent report, two stages have roughly been experienced in the research work of this respect: first stage is in 1982～1986 years, mainly be earlier with the polymerization methods synthetic copolyester, utilize copolyesters and conventional polyester to carry out co-blended spinning then, make fiber with moisture absorption sweat discharging functions; Second stage is in the mid-90 in last century, mainly is to add the hole forming agent with synthetic batching or in mixing mode, makes fiber produce hole through alkali treatment processing again.Specifically with following several technology as representative:
Japan Supreme Being people company released hollow many microporous fibres first generation product " WellkeyFilament " in 1986, utilize the microphase-separated principle of conventional polyester and hole forming agent, make high orientation silk (HOY through high-speed spinning earlier, Highly Oriented Yarn), giving suitable alkali treatment again is prepared from; Almost at the same time, Japanese Supreme Being people company utilizes the unique chemical method, and a kind of silk-fibroin of high-hygroscopicity material is coated on the hygroscopicity fibre, develops moisture-absorbing fibre---" WellkeyMA " fiber, and hollow rate is between 5～10%; In addition, the Industrial Technology Research Institute of Taiwan chemical industry place the mid-90 in last century is developed the dry and comfortable fibers of the many micropores of hollow " Hydropre ", it adopts special spinning process, makes the inside and outside tube wall of fiber all have elongated groove, and these grooves and hole have moisture absorption and saturating wet function; Jinan Zhenghao Chemical Fiber New Material Co., Ltd. adopted normal polyester, modification easy hydrolysis degradable polyester and function modified master batch to carry out co-blended spinning in 2002, again spinning fiber was carried out the alkali decrement treatment, obtained functional form hollow micropore polyester fibre.
Said method is the fiber of preparation mostly, the process complexity, stability decreases in the process, otherwise fiber is through forming little hole at the fiber outer wall after the alkali decrement treatment, can't obtain being through to the micropore of hollow, cause the wet transmitting performance of fiber still undesirable.
Summary of the invention
The production method that the purpose of this invention is to provide a kind of hollow multi-micropore polyester filament yarn, on the basis that keeps the polyester fiber good characteristic, form by changing spinning material, utilize on the ordinary polyester process units and can produce polyester fiber, thereby further enlarge the application of terylene aspect clothes with good moisture absorption sweat discharging functions.
Purpose of the present invention is achieved through the following technical solutions:
A kind of production method of hollow multi-micropore polyester filament yarn, the polyester slice raw material is through super-dry, adopt the hollow type spinneret orifice, produce semi-finished product by POY high-speed spinning spinning threadling, stretch then, perhaps directly produce above-mentioned fiber by the FDY device for spinning, it is characterized in that: described polyester slice raw material is to be main raw material, to add the mixed material that two kinds of water-soluble polyester section B and C form in addition with normal polyester section A, and these three kinds of polyester slice A, B, C are at 290 ℃, 12000s
-1Shear viscosity under the shear rate is respectively, section A---25～35Pas, section B---15～23Pas, section C---25～35Pas.
Further, in the production method of above-mentioned hollow multi-micropore polyester filament yarn, the weight percent proportioning of described A, B, three kinds of sections of C raw material is, A: B: C=(70～90) %: (2～18) %: (2～18) %, and the weight sum of B section and C section accounts for 10～30% of section raw material gross weight.
Further, in the production method of above-mentioned hollow multi-micropore polyester filament yarn, described polyester slice A is half delustring section, full-dull section or the light section is arranged greatly; Also can be the modified poly ester section, the especially modified poly ester section that obtains as the 3rd monomer participation polymerisation with M-phthalic acid or M-phthalic acid 5-sodium sulfonate etc.
Substantive distinguishing features and obvious improvement that the present invention gives prominence to are embodied in:
This technical scheme is introduced the water-soluble polyester section of high and low two kinds of various flows kinetic viscosities simultaneously with normal polyester section carrying out high speed spinning, the raw material that has thoroughly changed polyester slice is formed, for the hollow multi-micropore polyester filament yarn provides the new production method that a kind of result of use is good, easy to implement and promote.The polyester filament that utilizes the present invention to make, through observing under the electron scanning fibrescope after the alkali decrement treatment, fiber surface is evenly distributed with little hole, there is the penetrability micropore in the cross section.The suspenders that utilizes this filament fiber to be made into, after the alkali decrement treatment, test its balance Moisture absorption rate and with the contrast of common long filament, this index is increased to 0.7% by 0.4% of ordinary polyester long filament; The fabric of making, its hydroscopic fast-drying performance are better than the fabric made by various profiled-cross-section hygroscopic fibres in the market.
The specific embodiment
It is 12000s that the present invention chooses 290 ℃, shear rate
-1The time, shear viscosity is respectively two kinds of water-soluble polyesters section B and the C of 15～23Pas and 25～35Pas, is that 0.56～0.68 (section in this inherent viscosity scope is at 290 ℃, 12000s with inherent viscosity according to a certain percentage
-1Shear viscosity under the shear rate is 25～35Pas) normal polyester section A, mixes, dry (both can mix earlier drier, also drying is mixed again earlier), thus the employed polyester slice raw mix of acquisition technical solution of the present invention.
The A that wherein cuts into slices can be the routine half delustring polyester slice that has added 0.3% left and right sides titanium dioxide, the also full-dull polyester slice of content of titanium dioxide about 3%, or the big bright PET chips of not adding titanium dioxide.And this polyester slice can also be the various modified poly ester sections that appear on the market at present, especially adds the modified poly ester section that a small amount of M-phthalic acid or M-phthalic acid 5-sodium sulfonate etc. form as the 3rd monomer copolymerization.
Utilize the hollow spray filament plate, above-mentioned polyester slice mixed material is carried out spinning on civilian terylene spinning device, make hollow POY, then POY is further carried out drawing-off processing and obtain finished fiber---hollow DT silk; Perhaps, with the directly spinning on the FDY device for spinning of above-mentioned polyester slice mixed material, obtain the FDY fiber.Because capillary effect, the lower water-soluble polyester of shear viscosity is attached to the fiber outer wall in spinning process, and the higher water-soluble polyester of shear viscosity then is distributed in fibrous inside and hollow inner side.The fiber that makes is through after the alkali decrement treatment, falls attached to the water-soluble polyester of fiber outer wall is dissolved, and fiber surface forms groove and Wei Keng; The water-soluble polyester that is distributed in fibrous inside and hollow inner side is also dissolved, forms to run through the micropore of outer wall to hollow.Like this, the capillary effect by these micropores absorbs the sweat that human body is discharged to fiber hollow easily, through the storage and the conveying in fiber hollow and surface grooves and little hole, sweat is further evaporated into external, makes fabric possess good moisture absorption sweat discharging functions.
Enumerate a kind of more typical embodiment below.It only provides as an example, and the interest field claimed to the present invention do not constitute any limitation.
" embodiment one "
Get the 500Kg inherent viscosity and be 0.640 routine half delustring polyester slice A, 62.5Kg inherent viscosity and be 0.470 water-soluble polyester section B, 62.5Kg inherent viscosity and be 0.770 water-soluble polyester section C, they are at 290 ℃, 12000s
-1Shear viscosity under the shear rate is for being respectively: A-29.1Pas, B-22.5Pas, C-30.51Pas.After mixing, the three on BT-600 vacuum drum drying equipment, carries out drying: at the uniform velocity be warmed up to 110 ℃ from room temperature through 3 hours earlier, 110 ℃ of following freeze-day with constant temperature 3 hours, and then at the uniform velocity be warmed up to 150 ℃ through 2 hours, 150 ℃ of following freeze-day with constant temperature 5 hours, naturally cool to then 80 ℃ standby.Record dry back and do moisture 27 μ gg in the section
-1
On civilian microtomy device for spinning, utilize the hollow spinneret component to carry out high speed spinning above-mentioned dried hybrid slicing, spinning technique sees Table 1, obtains intermediate products POY, its physical property and ordinary polyester POY long filament basically identical, satisfy back road drawing-off requirement fully, specific targets see Table 2.On flat traction machine POY is carried out the drawing-off operation again, draft process sees Table 3, obtains finished product DT silk.This DT silk physical property is good, and specific targets see Table 4, satisfies fully and takes the fiber requirement.
Table 1: hybrid slicing spinning technique
| Project | Unit | Parameter |
| Screw rod is respectively distinguished temperature | ℃ | 270/280/280/280/280 |
| Spin manifold temperature | ℃ | 280 |
| The measuring pump rotating speed | rpm | 18 |
| The finish revolution speed | rpm | 57.4 |
| The finish type | - | NE-1000 |
| Finish allotment concentration | ％ | 10 |
| The lateral blowing temperature | ℃ | 23±1 |
| Lateral blowing humidity | ％ | 60±5 |
| Lateral blowing speed | m/s | 0.50±0.05 |
| Spinning speed | m/min | 3000 |
| The grooved roller over feed rate(OFR) | ％ | 10 |
Table 2:POY physical index
| Interventions Requested | Unit | Physical index numerical value |
| Fiber number | dtex | 165 |
| The fiber number coefficient of variation | CV％ | 0.37 |
| Fracture strength | cN/dtex | 2.06 |
| The fracture strength coefficient of variation | CV％ | 4.48 |
| Elongation at break | ％ | 124.40 |
| The elongation at break coefficient of variation | CV％ | 4.33 |
Table 3: draft process
| Project | Unit | Parameter |
| Feeding speed | m/min | 293.83 |
| The first hot dish speed | m/min | 294.46 |
| The second hot dish speed | m/min | 500.08 |
| Cold dish speed | m/min | 485.06 |
| Friction roller speed | m/min | 482.57 |
| First temperature of heat plate | ℃ | 85 |
| Second temperature of heat plate | ℃ | 100 |
| Hot plate temperature | ℃ | 155 |
Table 4:DT silk physical index
| Interventions Requested | Unit | Physical index numerical value |
| Fiber number | dtex | 103 |
| Fracture strength | cN/dtex | 3.66 |
| The fracture strength coefficient of variation | CV％ | 2.61 |
| Elongation at break | ％ | 31.54 |
| The elongation at break coefficient of variation | CV％ | 5.34 |
| Boiling water shrinkage | ％ | 5.42 |
| Dyeing uniformity | Level | 4.0 |
Practical application shows, the production method of hollow multi-micropore polyester filament yarn provided by the invention, and its spinning and drafting process are stable, and be consistent with ordinary polyester long filament production technology, satisfies the requirement of large-scale industrial production fully.This method has good popularizing value in the same industry.
Claims (5)
1. the production method of a hollow multi-micropore polyester filament yarn, the polyester slice raw material is through super-dry, adopt the hollow type spinneret orifice, produce semi-finished product by POY high-speed spinning spinning threadling, stretch then, perhaps directly produce above-mentioned fiber by the FDY device for spinning, it is characterized in that: described polyester slice raw material is to be main raw material, to add the mixed material that two kinds of water-soluble polyester section B and C form in addition with normal polyester section A, and these three kinds of polyester slice A, B, C are at 290 ℃, 12000s
-1Shear viscosity under the shear rate is respectively, section A-25～35Pas, section B-15～23Pas, section C-25～35Pas.
2. the production method of a kind of hollow multi-micropore polyester filament yarn according to claim 1, it is characterized in that: the weight percent proportioning of described A, B, three kinds of sections of C raw material is, A: B: C=(70～90) %: (2～18) %: (2～18) %, and the weight sum of B section and C section accounts for 10～30% of section raw material gross weight.
3. the production method of a kind of hollow multi-micropore polyester filament yarn according to claim 1 and 2 is characterized in that: described polyester slice A is half delustring section, full-dull section or the light section is arranged greatly.
4. the production method of a kind of hollow multi-micropore polyester filament yarn according to claim 1 and 2 is characterized in that: described polyester slice A is the modified poly ester section.
5. the production method of a kind of hollow multi-micropore polyester filament yarn according to claim 4 is characterized in that: described polyester slice A participates in polymerisation and the modified poly ester section that obtains with M-phthalic acid or M-phthalic acid 5-sodium sulfonate.
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| CN101982572A (en) * | 2010-11-22 | 2011-03-02 | 上海贵达科技有限公司 | Moisture absorption and perspiration fiber with hydrophilic function |
| CN102534929A (en) * | 2010-12-29 | 2012-07-04 | 东丽纤维研究所（中国）有限公司 | Deep-dyed elastic fabric and production method thereof |
| CN102586943A (en) * | 2012-01-10 | 2012-07-18 | 上海贵达科技有限公司 | Long-acting controlled-release sheath-core type aromatic filament |
| CN103122495A (en) * | 2011-11-18 | 2013-05-29 | 东丽纤维研究所（中国）有限公司 | Modified copolyester fiber, method for manufacturing same and fabric comprising modified copolyester fiber |
| CN104451944A (en) * | 2013-09-22 | 2015-03-25 | 东丽纤维研究所（中国）有限公司 | Blend polyester fiber, and production method and use thereof |
| CN104451920A (en) * | 2013-09-22 | 2015-03-25 | 东丽纤维研究所（中国）有限公司 | Polyester fiber, fabric with polyester fiber and manufacturing method |
| CN104651963A (en) * | 2013-11-18 | 2015-05-27 | 镇江金浪潮化纤设备有限公司 | Production technology for terylene water soluble fibers |
| CN104674367A (en) * | 2013-11-29 | 2015-06-03 | 中国科学院兰州化学物理研究所 | Preparation method of easy-dyeing terylene bulked continuous filaments (BCF) |
| CN107400937A (en) * | 2017-07-28 | 2017-11-28 | 杭州汇维仕永盛化纤有限公司 | A kind of hydroscopic fast-drying composite polyester fiber long filament and its processing technology |
| CN107930595A (en) * | 2017-11-20 | 2018-04-20 | 成都新柯力化工科技有限公司 | A kind of porous modified pericarp gel and preparation method for lithium battery recycling |
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| CN111235682A (en) * | 2020-04-16 | 2020-06-05 | 博聚(上海)生态科技有限公司 | Production process of rapidly biodegradable porous polyester fiber |
| CN111394811A (en) * | 2020-03-09 | 2020-07-10 | 杭州汇维仕永盛化纤有限公司 | Light-sensitive regular octagonal star-shaped polyester fiber filament and preparation method thereof |
| CN112575406A (en) * | 2020-11-26 | 2021-03-30 | 太仓杰希塑化有限公司 | Preparation method of moisture-absorbing and quick-drying polyester low-stretch yarn |
| CN114606589A (en) * | 2022-03-01 | 2022-06-10 | 苏州市熙和织造有限公司 | Preparation process of soft high-heat-insulation fabric |
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2005
- 2005-08-03 CN CN 200510041314 patent/CN1908259A/en active Pending
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| CN101982572A (en) * | 2010-11-22 | 2011-03-02 | 上海贵达科技有限公司 | Moisture absorption and perspiration fiber with hydrophilic function |
| CN102534929A (en) * | 2010-12-29 | 2012-07-04 | 东丽纤维研究所（中国）有限公司 | Deep-dyed elastic fabric and production method thereof |
| CN102534929B (en) * | 2010-12-29 | 2014-12-17 | 东丽纤维研究所（中国）有限公司 | Deep-dyed elastic fabric and production method thereof |
| CN103122495A (en) * | 2011-11-18 | 2013-05-29 | 东丽纤维研究所（中国）有限公司 | Modified copolyester fiber, method for manufacturing same and fabric comprising modified copolyester fiber |
| CN102586943A (en) * | 2012-01-10 | 2012-07-18 | 上海贵达科技有限公司 | Long-acting controlled-release sheath-core type aromatic filament |
| CN104451944A (en) * | 2013-09-22 | 2015-03-25 | 东丽纤维研究所（中国）有限公司 | Blend polyester fiber, and production method and use thereof |
| CN104451920A (en) * | 2013-09-22 | 2015-03-25 | 东丽纤维研究所（中国）有限公司 | Polyester fiber, fabric with polyester fiber and manufacturing method |
| CN104651963A (en) * | 2013-11-18 | 2015-05-27 | 镇江金浪潮化纤设备有限公司 | Production technology for terylene water soluble fibers |
| CN104674367A (en) * | 2013-11-29 | 2015-06-03 | 中国科学院兰州化学物理研究所 | Preparation method of easy-dyeing terylene bulked continuous filaments (BCF) |
| CN107400937A (en) * | 2017-07-28 | 2017-11-28 | 杭州汇维仕永盛化纤有限公司 | A kind of hydroscopic fast-drying composite polyester fiber long filament and its processing technology |
| CN107400937B (en) * | 2017-07-28 | 2023-11-03 | 杭州永盛高纤股份有限公司 | Moisture-absorbing quick-drying composite polyester fiber filament and processing technology thereof |
| CN107930595A (en) * | 2017-11-20 | 2018-04-20 | 成都新柯力化工科技有限公司 | A kind of porous modified pericarp gel and preparation method for lithium battery recycling |
| CN110670159A (en) * | 2019-09-30 | 2020-01-10 | 安徽农业大学 | Preparation process of high-moisture-absorption regenerated PET (polyethylene terephthalate) fiber filament |
| CN111394811A (en) * | 2020-03-09 | 2020-07-10 | 杭州汇维仕永盛化纤有限公司 | Light-sensitive regular octagonal star-shaped polyester fiber filament and preparation method thereof |
| CN111235682A (en) * | 2020-04-16 | 2020-06-05 | 博聚(上海)生态科技有限公司 | Production process of rapidly biodegradable porous polyester fiber |
| CN112575406A (en) * | 2020-11-26 | 2021-03-30 | 太仓杰希塑化有限公司 | Preparation method of moisture-absorbing and quick-drying polyester low-stretch yarn |
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