CN111979588A - Preparation method of anti-fouling polyester fiber fabric for children - Google Patents
Preparation method of anti-fouling polyester fiber fabric for children Download PDFInfo
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- CN111979588A CN111979588A CN202010675190.2A CN202010675190A CN111979588A CN 111979588 A CN111979588 A CN 111979588A CN 202010675190 A CN202010675190 A CN 202010675190A CN 111979588 A CN111979588 A CN 111979588A
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- polyester fiber
- fiber fabric
- preparation
- steps
- spinning
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- 229920000728 polyester Polymers 0.000 title claims abstract description 57
- 239000000835 fiber Substances 0.000 title claims abstract description 38
- 239000004744 fabric Substances 0.000 title claims abstract description 34
- 230000003373 anti-fouling effect Effects 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000009987 spinning Methods 0.000 claims abstract description 26
- -1 4-hydroxycyclohexyl Chemical group 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000000155 melt Substances 0.000 claims abstract description 10
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 9
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 9
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims abstract description 9
- 238000009941 weaving Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- YLHCMDNAKVPTIO-UHFFFAOYSA-N 2-(4-hydroxycyclohexyl)isoindole-1,3-dione Chemical compound C1CC(O)CCC1N1C(=O)C2=CC=CC=C2C1=O YLHCMDNAKVPTIO-UHFFFAOYSA-N 0.000 claims description 9
- 238000012545 processing Methods 0.000 abstract description 4
- 239000003607 modifier Substances 0.000 abstract description 3
- 239000004753 textile Substances 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 description 14
- 229920000139 polyethylene terephthalate Polymers 0.000 description 9
- 239000005020 polyethylene terephthalate Substances 0.000 description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 6
- 239000011737 fluorine Substances 0.000 description 6
- 229910052731 fluorine Inorganic materials 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000675 fabric finishing Substances 0.000 description 2
- 238000009962 finishing (textile) Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101100004286 Caenorhabditis elegans best-5 gene Proteins 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/91—Polymers modified by chemical after-treatment
- C08G63/914—Polymers modified by chemical after-treatment derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/916—Dicarboxylic acids and dihydroxy compounds
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Woven Fabrics (AREA)
Abstract
The invention discloses a preparation method of an antifouling polyester fiber fabric for children, which relates to the technical field of textile processing, and is characterized in that modified polyester is prepared firstly, then modified polyester fiber is prepared through a spinning process, and finally an antifouling polyester fiber fabric is prepared through a weaving process; the modified polyester is prepared by the melt reaction of polyethylene glycol terephthalate and 2- (4-hydroxycyclohexyl) isoindole-1, 3-diketone. The invention takes 2- (4-hydroxycyclohexyl) isoindole-1, 3-diketone as a modifier to react with polyethylene glycol terephthalate to prepare modified polyester, and the antifouling property of the polyester fiber is improved by grafting the 2- (4-hydroxycyclohexyl) isoindole-1, 3-diketone on a polyester molecular structure.
Description
The technical field is as follows:
the invention relates to the technical field of textile processing, in particular to a preparation method of a child anti-fouling polyester fiber fabric.
Background art:
polyester fiber, commonly known as "polyester", is a synthetic fiber obtained by spinning polyester obtained by polycondensation of organic dibasic acid and dihydric alcohol, is called PET fiber for short, and belongs to a high molecular compound. The polyester fiber has the advantages of good crease resistance and shape retention, high strength and elasticity recovery capability, fastness, durability, crease resistance, no iron burn and no hair sticking.
Anti-soiling performance, refers to the ability of a fabric to prevent dirt and dust from adsorbing and staining during wear and washing. The fiber surface property, hygroscopicity, antistatic property and after-finishing degree are related, the surface is smooth, and the fabric is not easy to dirty. The interface contact angle of the hydrophobic fiber fabric is large, and pollution is not easy to occur. However, since synthetic fiber fabrics are easily electrostatically charged to adsorb dust and dirt, an antifouling finish is required to improve antifouling performance.
For children, stains are particularly easy to adhere to clothes, and a lot of stains are difficult to clean, so that the stain resistance of the fabric for processing children clothes is higher. At present, the fluorine-containing fabric finishing agent shows the advantages which are not possessed by common hydrocarbon or silicone waterproof and oil-proof agents, and becomes the mainstream of the current waterproof and oil-proof agents, and the fabrics treated by the fluorine-containing finishing agent not only have waterproof and oil-proof properties, but also have various other characteristics of antifouling, stain removal, static resistance, dry cleaning resistance, water washing resistance and the like. However, the price of the fluorine-containing finishing agent is higher than that of the common fabric finishing agent, which greatly influences the wide application of the fluorine-containing finishing agent, so that other finishing agents with lower cost and equivalent or even better effect need to be searched for to replace the existing fluorine-containing finishing agent.
The invention content is as follows:
the invention aims to solve the technical problem of providing a preparation method of a child anti-fouling polyester fiber fabric,
the technical problem to be solved by the invention is realized by adopting the following technical scheme:
the preparation method of the antifouling polyester fiber fabric for children comprises the steps of preparing modified polyester, preparing modified polyester fiber through a spinning process, and preparing the antifouling polyester fiber fabric through a weaving process;
the modified polyester is prepared by the melt reaction of polyethylene glycol terephthalate and 2- (4-hydroxycyclohexyl) isoindole-1, 3-diketone.
The molar ratio of the polyethylene glycol terephthalate to the 2- (4-hydroxycyclohexyl) isoindole-1, 3-dione is 1: 0.5-1.
The melt reaction adopts a double-screw extruder as a reactor, and the melt obtained by the reaction enters a spinning assembly for spinning.
The temperature of the double-screw extruder is controlled to be 250-280 ℃.
The length-diameter ratio of the double-screw extruder is controlled to be 25-50.
The screw rotating speed of the double-screw extruder is controlled at 250-500 r/min.
The spinning denier during spinning is 500-1000D.
The spinning speed during spinning is 3000-6000m/min, the obtained protofilament is subjected to primary twisting and secondary twisting to obtain twisted yarn, the twist coefficient of the target twist of the primary twisting and the secondary twisting is 400-500, and the total drafting multiple is 5-10 times.
The warp density during weaving is 400-600 pieces/10 cm, and the weft density is 200-400 pieces/10 cm.
The polyethylene terephthalate is prepared by exchanging dimethyl terephthalate with ethylene glycol or esterifying terephthalic acid with ethylene glycol to synthesize dihydroxy ethyl terephthalate, and then performing polycondensation reaction. The PET resin belongs to a crystalline saturated polyester, is a milky white or light yellow polymer with high crystallinity, has smooth and glossy surface, and is a common PET resin in life.
The invention utilizes the hydroxyl in the molecular structure of the polyethylene glycol terephthalate and the hydroxyl in the molecular structure of the 2- (4-hydroxycyclohexyl) isoindole-1, 3-diketone to form a hydrogen bond so as to prepare the modified polyester, and then the polyester fiber fabric with the anti-fouling performance is obtained by the conventional spinning process and weaving process.
The modified polyester is prepared by adopting a melt reaction, so that the preparation time of the modified polyester is shortened, and the modification efficiency is improved; and the melt obtained by the reaction can be directly spun, so that the processing procedures are reduced. In addition, the prior art generally adopts an impregnation method to perform anti-fouling finishing on polyester fabric, which is simple to operate, but the adhesion of the finishing agent on fabric fibers is poor, and particularly after multiple water washes, the anti-fouling effect suddenly drops, because the finishing agent is peeled off from the fibers. The invention adopts a chemical reaction mode to realize the grafting of the modifier on fiber molecules, and can effectively solve the problem of the peeling of the finishing agent.
The invention has the beneficial effects that: the invention takes 2- (4-hydroxycyclohexyl) isoindole-1, 3-diketone as a modifier to react with polyethylene glycol terephthalate to prepare modified polyester, and the antifouling property of the polyester fiber is improved by grafting the 2- (4-hydroxycyclohexyl) isoindole-1, 3-diketone on a polyester molecular structure; the 2- (4-hydroxycyclohexyl) isoindole-1, 3-dione is not a fluorine-containing finishing agent nor an antifouling finishing agent known in the field, but the polyester fiber fabric with the contamination grade reaching the highest grade 5 is finally prepared by modifying the polyester by the 2- (4-hydroxycyclohexyl) isoindole-1, 3-dione, so that the performance requirement of the antifouling fabric is met.
The specific implementation mode is as follows:
in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Polyethylene terephthalate is Dupont Dow FR 945.
Example 1
Synthesis of modified polyester: adding polyethylene glycol terephthalate and 2- (4-hydroxycyclohexyl) isoindole-1, 3-dione into a double-screw extruder according to the molar ratio of 1:1, wherein the reaction time is 3 hours, the temperature of the double-screw extruder is controlled at 270 ℃, the length-diameter ratio is controlled at 30, and the rotating speed of a screw is controlled at 350r/min to obtain the modified polyester. Infrared analysis results: at 1110cm-1A stretching vibration peak of ether bond appears.
Preparing a polyester fiber fabric: and (2) feeding the prepared modified polyester melt into a spinning part, wherein the spinning temperature is 280 ℃, the filament output denier is 750D, the spinning speed is 3500m/min, the prepared protofilaments are subjected to primary twisting and secondary twisting to prepare twisted yarns, the twist coefficient of the target twist of the primary twisting and the secondary twisting is 428, the total drafting multiple is 8 times, the warp density during weaving is 520 pieces/10 cm, and the weft density is 350 pieces/10 cm.
Example 2
Example 2 differs from example 1 in that the molar ratio of polyethylene terephthalate to 2- (4-hydroxycyclohexyl) isoindole-1, 3-dione is adjusted to 1:0.5, and the rest is the same as example 1.
Synthesis of modified polyester: adding polyethylene terephthalate and 2- (4-hydroxycyclohexyl) isoindole-1, 3-dione into a double-screw extruder according to the mol ratio of 1:0.5, wherein the reaction time is 3 hours, the temperature of the double-screw extruder is controlled at 270 ℃, the length-diameter ratio is controlled at 30, and the rotating speed of a screw is controlled at 350r/min, so as to obtain the modified polyester.
Preparing a polyester fiber fabric: and (2) feeding the prepared modified polyester melt into a spinning part, wherein the spinning temperature is 280 ℃, the filament output denier is 750D, the spinning speed is 3500m/min, the prepared protofilaments are subjected to primary twisting and secondary twisting to prepare twisted yarns, the twist coefficient of the target twist of the primary twisting and the secondary twisting is 428, the total drafting multiple is 8 times, the warp density during weaving is 520 pieces/10 cm, and the weft density is 350 pieces/10 cm.
Comparative example
The comparative example is different from example 1 in that the polyethylene terephthalate is not modified with 2- (4-hydroxycyclohexyl) isoindole-1, 3-dione, and the rest is the same as example 1.
Preparing a polyester fiber fabric: adding polyethylene terephthalate into a double-screw extruder, heating to 270 ℃, melting, extruding, feeding the melt into a spinning part, spinning at 280 ℃, yielding denier at 750D, spinning at 3500m/min, carrying out primary twisting and secondary twisting on the prepared protofilaments to prepare twisted yarns, wherein the twist coefficient of the target twist of the primary twisting and the secondary twisting is 428, the total drafting multiple is 8 times, the warp density during weaving is 520/10 cm, and the weft density is 350/10 cm.
The polyester fiber fabrics prepared in the examples and comparative examples were subjected to the antifouling property test.
According to the national standard GB/T30159.1-2013 detection and evaluation part 1 of the antifouling performance of textiles: stain rating was tested by the liquid stain method in stain resistance. The staining scale was divided into 5 grades, the best 5 grades and the worst 1 grade.
TABLE 1
| Item | Example 1 | Example 2 | Comparative example |
| Contamination grade | Grade 5 | 4 stage | Stage 2 |
As can be seen from Table 1, the modified polyester prepared by using 2- (4-hydroxycyclohexyl) isoindole-1, 3-dione in the examples can obviously improve the antifouling property of the polyester fiber fabric, and the stain grade can reach grade 5 best.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The preparation method of the antifouling polyester fiber fabric for children is characterized by comprising the following steps: preparing modified polyester, preparing modified polyester fiber through a spinning process, and preparing an anti-fouling polyester fiber fabric through a weaving process;
the modified polyester is prepared by the melt reaction of polyethylene glycol terephthalate and 2- (4-hydroxycyclohexyl) isoindole-1, 3-diketone.
2. The preparation method of the children anti-fouling polyester fiber fabric according to claim 1, characterized by comprising the following steps: the molar ratio of the polyethylene glycol terephthalate to the 2- (4-hydroxycyclohexyl) isoindole-1, 3-dione is 1: 0.5-1.
3. The preparation method of the children anti-fouling polyester fiber fabric according to claim 1, characterized by comprising the following steps: the melt reaction adopts a double-screw extruder as a reactor, and the melt obtained by the reaction enters a spinning assembly for spinning.
4. The preparation method of the children anti-fouling polyester fiber fabric according to claim 3, characterized by comprising the following steps: the temperature of the double-screw extruder is controlled to be 250-280 ℃.
5. The preparation method of the children anti-fouling polyester fiber fabric according to claim 3, characterized by comprising the following steps: the length-diameter ratio of the double-screw extruder is controlled to be 25-50.
6. The preparation method of the children anti-fouling polyester fiber fabric according to claim 3, characterized by comprising the following steps: the screw rotating speed of the double-screw extruder is controlled at 250-500 r/min.
7. The preparation method of the children anti-fouling polyester fiber fabric according to claim 1, characterized by comprising the following steps: the spinning denier during spinning is 500-1000D.
8. The preparation method of the children anti-fouling polyester fiber fabric according to claim 1, characterized by comprising the following steps: the spinning speed during spinning is 3000-6000m/min, the obtained protofilament is subjected to primary twisting and secondary twisting to obtain twisted yarn, the twist coefficient of the target twist of the primary twisting and the secondary twisting is 400-500, and the total drafting multiple is 5-10 times.
9. The preparation method of the children anti-fouling polyester fiber fabric according to claim 1, characterized by comprising the following steps: the warp density during weaving is 400-600 pieces/10 cm, and the weft density is 200-400 pieces/10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010675190.2A CN111979588A (en) | 2020-07-14 | 2020-07-14 | Preparation method of anti-fouling polyester fiber fabric for children |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010675190.2A CN111979588A (en) | 2020-07-14 | 2020-07-14 | Preparation method of anti-fouling polyester fiber fabric for children |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111979588A true CN111979588A (en) | 2020-11-24 |
Family
ID=73438339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010675190.2A Pending CN111979588A (en) | 2020-07-14 | 2020-07-14 | Preparation method of anti-fouling polyester fiber fabric for children |
Country Status (1)
| Country | Link |
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| CN (1) | CN111979588A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6342927A (en) * | 1986-08-07 | 1988-02-24 | 帝人株式会社 | Production of antistaining polyester fiber |
| JPH0291213A (en) * | 1988-09-26 | 1990-03-30 | Teijin Ltd | Modified polyester fiber |
| JPH07305229A (en) * | 1994-05-11 | 1995-11-21 | Mitsubishi Rayon Co Ltd | Method for producing modified polyester fiber |
-
2020
- 2020-07-14 CN CN202010675190.2A patent/CN111979588A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6342927A (en) * | 1986-08-07 | 1988-02-24 | 帝人株式会社 | Production of antistaining polyester fiber |
| JPH0291213A (en) * | 1988-09-26 | 1990-03-30 | Teijin Ltd | Modified polyester fiber |
| JPH07305229A (en) * | 1994-05-11 | 1995-11-21 | Mitsubishi Rayon Co Ltd | Method for producing modified polyester fiber |
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Application publication date: 20201124 |