CN1231617C - Quality modified polyester fiber and its manufacturing method - Google Patents
Quality modified polyester fiber and its manufacturing method Download PDFInfo
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- CN1231617C CN1231617C CN 03121141 CN03121141A CN1231617C CN 1231617 C CN1231617 C CN 1231617C CN 03121141 CN03121141 CN 03121141 CN 03121141 A CN03121141 A CN 03121141A CN 1231617 C CN1231617 C CN 1231617C
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- methyl isophthalic
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Abstract
The present invention reveals a modified polyester fiber and a making method thereof. The modified polyester fiber of the present invention comprises an alkoxylating 2-methyl-1, 3-propanediol component, and has the characteristic that the fiber is easy to dye and dye is difficult to wash out. The making method for the modified polyester fiber comprises: firstly, a polymerization reaction of alkoxylating 2-methyl-1, 3-propanediol, alkanediol and terephthalic acid or alkane ester thereof is carried out; then a modified polyester fiber of made by spinning. The modified polyester fiber of the present invention can be dyed at low temperatures, and has excellent dyeing degree and water washing fastness, so the present invention can be widely applied to the making of synthetic fibers.
Description
Technical field
The invention relates to a kind of upgrading polyester fiber and method for making thereof, particularly about using alkoxide 2-methyl isophthalic acid, ammediol carries out the polyethylene terephthalate polyester fiber of upgrading.
Background technology
Because polyester fiber has good ABRASION RESISTANCE and advantage such as with low cost, can be applicable to occupy epochmaking status in dress ornament, decoration and the industry etc. in synthetic fiber products.The kind of polyester fiber is quite a lot of, and is central quite extensive on using with the poly terephthalic acid alkane diester polyester fiber of terephthalic acid (TPA) or its alkane ester and the formation of alkane glycol again.The poly terephthalic acid alkane diester polyester fiber of generally knowing comprises polyethylene terephthalate (PET) polyester fiber, polytrimethylene terephthalate (PPT) polyester fiber and polybutylene terephthalate (PBT) polyester fiber, wherein the strength ratio cotton of polyethylene terephthalate polyester fiber is high about 1 times, higher 3 times than wool, elasticity is near wool, have excellent abrasive, crease resistance, heat resistance and heat endurance again, become the synthetic fiber of extensive use.
The polyethylene terephthalate polyester fiber can with other natural fabric, carry out blending to improve intensity and durability as hair, cotton, the fabric of blending gained not only can keep the rerum natura of polyethylene terephthalate pet copolyester fiber, more can obtain the quality of natural fabric.Usually, when making this kind synthetic fiber, out linear silk is extracted the polyester polymers extruding that forms by elder generation, through false twisting, curling and specific chemical treatment, can make the synthetic fiber that are better than natural fabric characteristics such as Mao Yumian again.
In many application, textiles obtains required color via dyeing.Yet the dyeability of polyethylene terephthalate polyester fiber is poor, dyes easily unlike natural fabric, can dye and must add dyeing auxiliaries under high temperature and high pressure or normal pressure.Under the condition of this kind high temperature and high pressure, dye, except increasing equipment investment, also can increase running cost.Moreover, natural fabric such as Mao Yumian and elastomer (Spandex) are comparatively responsive to temperature, thereby the puzzlement when causing the dyeing of polyethylene terephthalate polyester fiber and these fiber blends, make the polyethylene terephthalate polyester fiber on using, be restricted, or must just can reach the demand of blend dyeing by increasing manufacturing process and cost.
On the other hand, form physics or chemical reaction improves dyeing property, also have many shortcomings by dyeing auxiliaries and polyester fiber.At first, this dyeing auxiliaries has the functional group that can form chemical reaction with dye molecule and polyester fiber more, these functional groups comprise carboxylic acid (particularly two carboxylic acids or multiple functional radical carboxylic acid), organic metal sulfate, sulfonate compound etc., it is chemically-reactive dyes that employed dyestuff then needs to be promoted by general disperse dyes, causes the increase of production cost.Moreover, these dyeing auxiliariess in the manufacture process of textiles, can remain in waste water and the textiles that makes in, environment is caused adverse influence.
Therefore, the fiber dealer all actively researches and develops new upgrading polyethylene terephthalate polyester fiber, overcoming the achromatic shortcoming of polyethylene terephthalate polyester fiber, and then promote the range of application of polyethylene terephthalate polyester fiber, reduce the pollution of environment simultaneously.The U.S. the 5th, 916, No. 677 patented inventions a kind of use 2-methyl isophthalic acid, ammediol carries out the polyethylene terephthalate polyester fiber of upgrading, makes the polyester fiber of upgrading have preferable dyeability, elongation and fibre strength; But the washing fastness of the upgrading polyester fiber that this patent discloses is not good, has the characteristic that Yi Ranyi washes out, and has reduced the range of application of this upgrading polyester fiber.In addition, the U.S. the 6th, 187, No. 900 patented inventions a kind of polyester fiber with low temperature dyeable characteristic, it is had the polytrimethylene terephthalate (PPT) that easily dyes characteristic and makes copolyester fiber with polyethylene terephthalate (PET) by mixing, make prepared polyester fiber have the characteristic of easily dying; This patent discloses the polyester fiber with low temperature dyeable characteristic, though can reduce the dyeing and finishing cost, the raw material " 1, ammediol " of making polytrimethylene terephthalate is difficult for preparation, cause supply few and cost an arm and a leg and shortcoming such as be difficult for obtaining, be unfavorable for reducing cost.Therefore still need a kind ofly can dye and can not increase the upgrading polyester fiber of manufacturing cost at low temperature.
Summary of the invention
For overcoming the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of upgrading polyester fiber with low temperature dyeable characteristic.
Another object of the present invention is to provide a kind of use alkoxide 2-methyl isophthalic acid, ammediol carries out the upgrading polyethylene terephthalate polyester fiber of upgrading.
Another purpose of the present invention is to provide a kind of upgrading polyethylene terephthalate polyester fiber that need not use dyeing auxiliaries can carry out low temperature dyeing under the temperature conditions of normal pressure and 100 ℃.
A further object of the present invention is to provide a kind of upgrading polyethylene terephthalate polyester fiber with excellent dyeing dynamics and washing fastness.
Another purpose of the present invention is to provide a kind of and the upgrading polyethylene terephthalate polyester fiber that has the washing fastness and the low temperature dyeable characteristic of same levels without the polytrimethylene terephthalate polyester fiber of upgrading.
For reaching aforementioned and other purpose, the present invention discloses a kind of use alkoxide 2-methyl isophthalic acid, ammediol (alkoxylated 2-methyl-1,3-propanediol) carry out the upgrading polyester fiber of upgrading, particularly through the polyethylene terephthalate polyester fiber of upgrading, and the method for making this upgrading polyester fiber.Make the method for the present invention through the polyester fiber of upgrading, comprise the following steps: to make alkoxide 2-methyl isophthalic acid, ammediol, terephthalic acid (TPA) or its alkane ester and alkane glycol carry out polymerisation, form polyester polymers; And make this polyester polymers make ester fiber through spinning through upgrading.Use the prepared upgrading polyethylene terephthalate of method of the present invention polyester fiber, need not use dyeing auxiliaries under normal pressure, to carry out low temperature dyeing, be particularly suitable for being applied to carrying out blend dyeing with thermally sensitive natural fabric or elastomer.Moreover this upgrading polyethylene terephthalate polyester fiber also presents excellent dyeing dynamics and washing fastness after low temperature dyes, and has reducing cost, simplifies advantages such as manufacturing step and minimizing environmental pollution.
The specific embodiment
Inventor back after deliberation finds that alkoxide 2-methyl isophthalic acid, ammediol not only have methyl chains can make prepared polyester polymers be asymmetrical chemical constitution, and have contact with dyestuff easily easily dye characteristic.On the other hand, with this kind alkoxide 2-methyl isophthalic acid, ammediol imports the polyethylene terephthalate polyester fiber and carries out upgrading, also can make prepared upgrading polyethylene terephthalate polyester fiber, need not use dyeing auxiliaries, can under normal pressure, the temperature with 100 ℃ carry out low temperature dyeing, and have excellent dyeing dynamics and washing fastness.
Generally speaking, polyester fiber is meant that dihydroxylic alcohols or polyalcohol and binary acid or polyacid are through the condensation polymerization reaction linear macromolecule fiber that contains the ester bond more than the 85 weight % that forms.Usually, terephthalic acid (TPA) or its alkane ester can carry out polymerisation with various alkane glycol, form poly terephthalic acid alkane diester polyester fiber.The example of these alkane glycol comprises, but non-being limited to: ethylene glycol, propylene glycol and butanediol etc.Wherein, terephthalic acid (TPA) can form polyethylene terephthalate, form polytrimethylene terephthalate or form polybutylene terephthalate with butanediol with propylene glycol with ethylene glycol.With regard to the widest polyethylene terephthalate polyester fiber of range of application, it makes terephthalic acid (TPA) or its alkane ester and ethylene glycol carry out polymerisation, forms polyester polymers, makes the polyethylene terephthalate polyester fiber through spinning again.
In an instantiation of the present invention, this upgrading polyethylene terephthalate polyester fiber, make alkoxide 2-methyl isophthalic acid earlier, ammediol and ethylene glycol form two alcohol mixtures, make this pair alcohol mixture and terephthalic acid (TPA) or its alkane ester carry out polymerisation again, form polyethylene terephthalate polymer, after spinning and make polyethylene terephthalate polyester fiber through upgrading.
In order to carrying out the alkoxide 2-methyl isophthalic acid of upgrading, ammediol is preferable to have the structure shown in the formula (I) among the present invention:
In the formula, X and Y are independently selected from straight chain alkylene base with 2 to 4 carbon atoms, and side chain alkylene base respectively, and m and n independently be respectively 0 to 6 integer, and m and n at least one be not 0.
These alkoxide 2-methyl isophthalic acid, the example of ammediol comprises, but non-being limited to: ethoxyquin 2-methyl isophthalic acid, ammediol, the third oxidation 2-methyl isophthalic acid, ammediol, the different third oxidation 2-methyl isophthalic acid, ammediol, fourth oxidation 2-methyl isophthalic acid, ammediol, isobutyl oxidation 2-methyl isophthalic acid, ammediol, the second fourth oxidation 2-methyl isophthalic acid, ammediol, the 3rd fourth oxidation 2-methyl isophthalic acid, ammediol and carry out the 2-methyl isophthalic acid of alkoxide, ammediol etc. through several alkane sample bases.These alkoxide 2-methyl isophthalic acid, ammediol be with diethyl oxidation 2-methyl isophthalic acid, ammediol and dipropyl oxidation 2-methyl isophthalic acid, and ammediol is preferable.
Above-mentioned in order to carry out polymerisation with in the two alcohol mixtures that form polyester polymers with terephthalic acid (TPA) or its alkane ester, this alkoxide 2-methyl isophthalic acid, ammediol account for 1 to 15 mole of % of this pair alcohol mixture total amount, are preferably 2 to 8 moles of %.This alkoxide 2-methyl isophthalic acid, formed pair of alcohol mixture of ammediol and ethylene glycol can comprise the polymerisation of direct esterification step and condensation polymerization step with terephthalic acid (TPA), or with terephthalate (for example, the terephthalic acid (TPA) methyl esters) comprises the polymerisation of transesterification step and condensation polymerization step, and form polyester polymers.Wherein, carry out the polymerisation of transesterification step and can under the reaction condition that relaxes, carry out, and less demanding to the raw material of this reaction and equipment, thereby have the advantage of easy control and operation; Only, when carrying out this kind transesterification step, the essential terephthalate of formation earlier, and increase the required step of carrying out of this polymerisation.On the other hand, carry out the polymerisation of direct esterification step, for having relatively high expectations of raw material, equipment and operation control, but have that reactions steps is simple, consumption of raw materials is less and product quality than advantages such as height, and become present main production methods.
In this instantiation, the present invention is through the polyethylene terephthalate polyester fiber of upgrading, make this pair alcohol mixture and terephthalic acid (TPA) with 1.5: 1 to 1: 1, the mol ratio that is preferably 1.2: 1 forms mixture, temperature with 200 to 280 ℃ is preferably 250 ℃ temperature conditions, carries out the direct esterification reaction under the pressure of 1 kilogram/square centimeter (G), the conversion ratio for the treatment of this reaction reaches 95% or when above, can obtain the oligomer of oligomerization.Then, catalyst and additive optionally (for example, as the titanium oxide inorganic compound of flatting agent) can be added in the prepared oligomer, carry out the condensation polymerization reaction, form the polyester polymers of polyethylene terephthalate.The example of this catalyst comprises, but non-being limited to: antimonial (for example, antimony trioxide etc.), germanium compound and titanium compound etc.Usually, this condensation polymerization reaction is the temperature with 200 to 300 ℃, is preferably 280 ℃ temperature conditions, carries out under the pressure of 1torr.This condensation polymerization reacts formed polyester polymers in 40: 60 phenol of weight ratio and the formed mixed solvent of tetrachloroethanes, and measured intrinsic viscosity under 30 ℃ temperature conditions is preferable in 0.4 to 1.5dl/g scope.If the intrinsic viscosity of this polyester polymers is lower than 0.4dl/g, then can makes the silk undercapacity of prepared polyester fiber, and not meet the demand in the application.On the other hand, if the intrinsic viscosity of this polyester polymers is higher than 1.5dl/g, the viscosity in the time of then can increasing this polyester polymers fusion, and cause the deterioration of fiber axis character, weaving character and dyeing property.
The above-mentioned polymerisation that comprises esterif iotacation step and condensation polymerization step, can batch or continuous form carry out.About carrying out the correlated condition of esterification and condensation polymerization reaction, visual selected reactant of those skilled in the art and reaction system and adjusted are not limited to above-mentioned.
Then, make prepared polyester polymers carry out spinning, form the polyester fiber silk.Traditional spinning comprises melt spinning, dry spinning and wet type spinning etc.With regard to the polyethylene terephthalate polyester fiber, generally by the mode of melt spinning, use polyethylene terephthalate as spinning material, form the polyethylene terephthalate polyester fiber.This kind melt spinning makes spinning material heat to form thick liquid earlier, makes these melt spinning raw materials by spinning mouth, through being solidified to form monofilament again.Formed monofilament utilizes the known condition of reeling off raw silk from cocoons to reel off raw silk from cocoons, and for example makes the monofilament preheating by hot cylinder and stretches with suitable stretch ratio, and make the polyethylene terephthalate polyester fiber of the present invention through upgrading.Only, in the association area of weaving, particularly relevant for the manufacturing of synthetic fiber, " spinning " refers to become fiber by the polymer melts system, or weaved with fiber is curling by yarn natural, synthetic or that mixing forms.
Below, be described in further detail characteristics of the present invention and effect now by preferred embodiments.
Embodiment 1
Make ethylene glycol and diethyl oxidation 2-methyl isophthalic acid, ammediol forms two alcohol mixtures with 93: 7 mol ratio, make this pair alcohol mixture and terephthalic acid (TPA) under the temperature conditions of the pressure of 1 kilogram/square centimeter (G) and 250 ℃ with 1.2: 1 mol ratio again, conversion ratio with 95% carries out esterification, and forms the oligomer of oligomerization.The antimony trioxide of 350ppm is added in the prepared oligomer as catalyst, carry out the condensation polymerization reaction under the temperature conditions of the pressure of 1torr and 280 ℃, last 3 hours, the acquired character viscosity is the polyester polymers of 0.6dl/g.
Pushing pelletizing makes this polyester polymers form cylindric polyester granulate, after treating this polyester granulate drying, it is melted in the extruder, spin the speed extrusion spinning of mouth by 20 diameter 0.25mm with 3200m/min, reel off raw silk from cocoons under the speed of 500m/min with 80 ℃ hot cylinder, 130 ℃ flat plate heat again, form the multifilament textile of 75 Denier/40 monofilament, the ratio of reeling off raw silk from cocoons is 1.7.Then, these yarn weavings that reel off raw silk from cocoons are become the socks pipe, under 100 ℃, dye, as sample 1.On the other hand, use is carried out above-mentioned same steps as without the polyethylene terephthalate of upgrading and is woven into the socks pipe, and dyeing under 130 ℃ is decided to be 100% as standard items and with its dyeing dynamics, according to AATCC method of testing 612A test washing fastness.Write down the dyeing dynamics and the washing fastness of these standard items and sample 1, its result is as shown in table 1.
| Table 1 | Standard items | Sample 1 | ||||
| Blue dyes (Dianix Blue) | Pink dyestuff (Dianix Rubine) | Scarlet dye (Dianix Red) | Blue dyes (Dianix Blue) | Pink dyestuff (Dianix Rubine) | Scarlet dye (Dianix Red) | |
| The dyeing dynamics | 100％ | 100％ | 100％ | 132.72％ | 117.20％ | 102.48％ |
| Washing fastness | 4.5 level | 4.5 level | 4.5 level | 4.5 level | 4.5 level | 4.5 level |
Embodiment 2
Same procedure according to embodiment 1, make ethylene glycol and diethyl oxidation 2-methyl isophthalic acid, ammediol forms two alcohol mixtures with 95: 5 mol ratio, make this pair alcohol mixture and terephthalic acid (TPA) carry out polymerisation and spinning with 1.2: 1 mol ratio again, and the formed yarn weaving that reels off raw silk from cocoons become the socks pipe, under 100 ℃, dye, as sample 2.On the other hand, use is carried out above-mentioned same steps as without the polyethylene terephthalate of upgrading and is woven into the socks pipe, dyes as standard items under 130 ℃, and its dyeing dynamics is decided to be 100%, according to AATCC method of testing 612A test washing fastness.Write down the dyeing dynamics and the washing fastness of these standard items and sample 2, its result is as shown in table 2.
| Table 2 | Standard items | Sample 2 | ||||
| Blue dyes (Dianix Blue) | Pink dyestuff (Dianix Rubine) | Scarlet dye (Dianix Red) | Blue dyes (Dianix Blue) | Pink dyestuff (Dianix Rubine) | Scarlet dye (Dianix Red) | |
| The dyeing dynamics | 100％ | 100％ | 100％ | 137.50％ | 122.50％ | 111.22％ |
| Washing fastness | 4.5 level | 4.5 level | 4.5 level | 4.5 level | 4.5 level | 4.5 level |
Embodiment 3
Same procedure according to embodiment 1, make ethylene glycol and dipropyl oxidation 2-methyl isophthalic acid, ammediol forms two alcohol mixtures with 93: 7 mol ratio, make this pair alcohol mixture and terephthalic acid (TPA) carry out polymerisation and spinning with 1.2: 1 mol ratio again, and the formed yarn weaving that reels off raw silk from cocoons become the socks pipe, under 100 ℃, dye, as sample 3.On the other hand, use is carried out above-mentioned same steps as without the polyethylene terephthalate of upgrading and is woven into the socks pipe, dyes as standard items under 130 ℃, and its dyeing dynamics is decided to be 100%, according to AATCC method of testing 612A test washing fastness.Write down the dyeing dynamics and the washing fastness of these standard items and sample 3, its result is as shown in table 3.
| Table 3 | Standard items | Sample 3 | ||||
| Blue dyes (Dianix Blue) | Pink dyestuff (Dianix Rubine) | Scarlet dye (Dianix Red) | Blue dyes (Dianix Blue) | Pink dyestuff (Dianix Rubine) | Scarlet dye (Dianix Red) | |
| The dyeing dynamics | 100％ | 100％ | 100％ | 135.73％ | 120.30％ | 105.22％ |
| Washing fastness | 4.5 level | 4.5 level | 4.5 level | 4.5 level | 4.5 level | 4.5 level |
Comparative example 1
Same procedure according to embodiment 1, make ethylene glycol and 2-methyl isophthalic acid, ammediol forms two alcohol mixtures with 95: 5 mol ratio, make this pair alcohol mixture and terephthalic acid (TPA) carry out polymerisation and spinning with 1.2: 1 mol ratio again, and the formed yarn weaving that reels off raw silk from cocoons become the socks pipe, dye under 100 ℃, sample 4 as a comparison.On the other hand, use is carried out above-mentioned same steps as without the polyethylene terephthalate of upgrading and is woven into the socks pipe, dyes as standard items under 130 ℃, and its dyeing dynamics is decided to be 100%, according to AATCC method of testing 612A test washing fastness.Write down the dyeing dynamics and the washing fastness of these standard items and comparative sample 4, its result is as shown in table 4.
| Table 4 | Standard items | Sample 4 | ||||
| Blue dyes (Dianix Blue) | Pink dyestuff (Dianix Rubine) | Scarlet dye (Dianix Red) | Blue dyes (Dianix Blue) | Pink dyestuff (Dianix Rubine) | Scarlet dye (Dianix Red) | |
| The dyeing dynamics | 100％ | 100％ | 100％ | 119.50％ | 110.70％ | 101.34％ |
| Washing fastness | 4.5 level | 4.5 level | 4.5 level | 2 grades | 2 grades | 2.5 level |
Comparative example 2
According to the same procedure of embodiment 1, make 1, ammediol and terephthalic acid (TPA) carry out polymerisation and spinning with 1.2: 1 mol ratio, and the formed yarn weaving that reels off raw silk from cocoons is become the socks pipe, dye under 100 ℃, and sample 5 as a comparison.Dyeing dynamics and washing fastness that the standard items of this comparative sample 5 and embodiment 1 and sample 1 is measured are recorded in the following table 5.
| Table 5 | Standard items | Comparative sample 5 | Sample 1 |
| Blue dyes (Dianix Blue) | Blue dyes (Dianix Blue) | Blue dyes (Dianix Blue) | |
| The dyeing dynamics | 100％ | 130％ | 132.72％ |
| Washing fastness | 4.5 level | 4.5 level | 4.5 level |
By The above results as can be known, through alkoxide 2-methyl isophthalic acid, the polyethylene terephthalate polyester fiber of ammediol upgrading, can under 100 ℃ temperature conditions, dye, and have with without identical dyeing dynamics of the polytrimethylene terephthalate polyester fiber of upgrading and washing fastness, can be applied in category widely.
Claims (8)
1. upgrading polyester fiber, it is by alkoxide 2-methyl isophthalic acid, ammediol, C
2-4Alkane glycol and terephthalic acid (TPA) or its alkane ester carry out polymerisation, and the polyester copolymer that forms is made through spinning, wherein, this alkoxide 2-methyl isophthalic acid, ammediol has the structure of formula (I):
In the formula, X and Y are independently selected from straight chain alkylene base, the side chain alkylene base with 2 to 4 carbon atoms respectively, and m and n independently be respectively 0 to 6 integer, and m and n at least one be not 0.
2. upgrading polyester fiber according to claim 1, wherein, this alkoxide 2-methyl isophthalic acid, the consumption of ammediol account for this alkoxide 2-methyl isophthalic acid, ammediol and C
2-41 to 15 mole of % of the total amount of alkane glycol.
3. upgrading polyester fiber according to claim 2, wherein, this alkoxide 2-methyl isophthalic acid, the consumption of ammediol account for this alkoxide 2-methyl isophthalic acid, ammediol and C
2-42 to 8 moles of % of the total amount of alkane glycol.
4. according to each described upgrading polyester fiber among the claim 1-3, wherein, this C
2-4The alkane glycol is an ethylene glycol.
5. a method of making the upgrading polyester fiber comprises the following steps:
Make alkoxide 2-methyl isophthalic acid, ammediol, terephthalic acid (TPA) or its alkane ester and C
2-4The alkane glycol carries out polymerisation, forms polyester copolymer; And
Make this polyester copolymer make polyester fiber through upgrading through spinning, wherein, this alkoxide 2-methyl isophthalic acid, ammediol have the structure of formula (I):
In the formula, X and Y are independently selected from straight chain alkylene base, the side chain alkylene base with 2 to 4 carbon atoms respectively, and m and n independently be respectively 0 to 6 integer, and m and n at least one be not 0.
6. method according to claim 5, wherein, this alkoxide 2-methyl isophthalic acid, the consumption of ammediol account for this alkoxide 2-methyl isophthalic acid, ammediol and C
2-41 to 15 mole of % of the total amount of alkane glycol.
7. method according to claim 6, wherein, this alkoxide 2-methyl isophthalic acid, 3-third
The consumption of glycol accounts for this alkoxide 2-methyl isophthalic acid, ammediol and C
2-42 to 8 moles of % of the total amount of glycol.
8. according to each described upgrading polyester fiber among the claim 5-7, wherein, this C
2-4The alkane glycol is an ethylene glycol.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102251329B (en) * | 2010-05-17 | 2014-04-30 | 东丽纤维研究所（中国）有限公司 | Fabric containing copolyester fiber |
| CN102453246B (en) * | 2010-10-21 | 2015-09-23 | 东丽纤维研究所（中国）有限公司 | A kind of copolyesters and its production and use |
| CN102453976B (en) * | 2010-10-25 | 2015-06-17 | 东丽纤维研究所（中国）有限公司 | Fabric containing copolyester fiber and production method thereof |
| CN102535199B (en) * | 2010-12-13 | 2015-07-08 | 东丽纤维研究所（中国）有限公司 | Method for dyeing copolyester-fiber-containing textile |
| CN106283260B (en) * | 2016-08-31 | 2018-07-27 | 江苏恒力化纤股份有限公司 | Porous super flexible polyester fiber FDY of one kind and preparation method thereof |
| CN106283261B (en) | 2016-08-31 | 2018-10-30 | 江苏恒力化纤股份有限公司 | Porous super soft super fine denier polyester fiber of one kind and preparation method thereof |
| CN109763187A (en) * | 2017-11-10 | 2019-05-17 | 财团法人纺织产业综合研究所 | The production method of polyester fiber and polyester |
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