CN112981606A - Full-dull low-elasticity polyester bicomponent composite fiber - Google Patents
Full-dull low-elasticity polyester bicomponent composite fiber Download PDFInfo
- Publication number
- CN112981606A CN112981606A CN202010157291.0A CN202010157291A CN112981606A CN 112981606 A CN112981606 A CN 112981606A CN 202010157291 A CN202010157291 A CN 202010157291A CN 112981606 A CN112981606 A CN 112981606A
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- China
- Prior art keywords
- titanium dioxide
- low
- viscosity pet
- viscosity
- composite fiber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000835 fiber Substances 0.000 title claims abstract description 48
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 229920000728 polyester Polymers 0.000 title claims abstract description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 122
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 61
- AQWQBBNVCGDHAH-UHFFFAOYSA-N ethane-1,2-diol oxygen(2-) titanium(4+) Chemical compound C(CO)O.[O-2].[O-2].[Ti+4] AQWQBBNVCGDHAH-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000002002 slurry Substances 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000009987 spinning Methods 0.000 claims abstract description 9
- 239000000155 melt Substances 0.000 claims abstract description 8
- 239000002105 nanoparticle Substances 0.000 claims description 22
- 238000012805 post-processing Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Multicomponent Fibers (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a full-dull low-elasticity polyester bicomponent composite fiber, which is prepared by performing parallel composite spinning on high-viscosity PET and low-viscosity PET and then processing, wherein titanium dioxide-ethylene glycol slurry is respectively added into the high-viscosity PET and the low-viscosity PET on line in a melt process, the viscosity of the high-viscosity PET is 0.5-0.9dL/g, the viscosity of the low-viscosity PET is 0.1-0.3dL/g, the mass percent of titanium dioxide in the high-viscosity PET is 0.15-0.2, and the mass percent of titanium dioxide in the low-viscosity PET is 0.35-0.45. The full-dull low-elasticity polyester bicomponent composite fiber has full-dull and low-elasticity performance.
Description
Technical Field
The invention belongs to the technical field of polyester fibers, and particularly relates to a full-dull low-elasticity polyester bicomponent composite fiber.
Background
Polyester fibers are favored in production because of their high strength, light resistance, abrasion resistance, heat resistance and the like. Because the surface of the polyester fiber is smooth and transparent, the intensity of the reflected light is high under visible light, so that people feel uncomfortable when observing the polyester fiber.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the invention provides the full-dull low-elasticity polyester two-component composite fiber, which reduces the dazzling and flickering of the fiber.
According to the full-dull low-elasticity polyester bicomponent composite fiber disclosed by the embodiment of the invention, the composite fiber is prepared by carrying out parallel composite spinning and post-processing on high-viscosity PET and low-viscosity PET, wherein titanium dioxide-ethylene glycol slurry is respectively added into the high-viscosity PET and the low-viscosity PET in an online manner in a melt process, the viscosity of the high-viscosity PET is 0.5-0.9dL/g, the viscosity of the low-viscosity PET is 0.1-0.3dL/g, the mass percent of titanium dioxide in the high-viscosity PET is 0.15-0.2, and the mass percent of titanium dioxide in the low-viscosity PET is 0.35-0.45.
The full-dull low-elasticity polyester bicomponent composite fiber provided by the embodiment of the invention contains high-content titanium dioxide, can eliminate gloss, reduces the light reflection and flicker effects of the fiber, and enables the cloth cover of the subsequent fabric to achieve the full-dull effect.
According to one embodiment of the invention, the weight ratio between the high viscosity PET and the low viscosity PET is between 0.8 and 1.2:1.1 and 2.1.
According to one embodiment of the invention, the titanium dioxide in the titanium dioxide-ethylene glycol slurry is titanium dioxide fibers coated with titanium dioxide nanoparticles.
According to one embodiment of the invention, the size of the titanium dioxide nanoparticles is between 150nm and 200 nm.
According to one embodiment of the invention, the moisture content in the high-viscosity PET is not more than 0.3 in mass percent.
According to one embodiment of the invention, the moisture content in the low viscosity PET is not more than 0.4 in mass percent.
According to one embodiment of the present invention, the moisture content in the titanium dioxide-ethylene glycol slurry is not more than 0.2 in mass percent.
According to one embodiment of the invention, the cross-section of the composite fiber is elliptical.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The full dull and low elastic polyester bicomponent composite fiber according to the embodiment of the present invention is described in detail below.
According to the full-dull low-elasticity polyester bicomponent composite fiber disclosed by the embodiment of the invention, the composite fiber is prepared by carrying out parallel composite spinning and post-processing on high-viscosity PET and low-viscosity PET, wherein titanium dioxide-ethylene glycol slurry is respectively added into the high-viscosity PET and the low-viscosity PET in an online manner in a melt process, the viscosity of the high-viscosity PET is 0.5-0.9dL/g, the viscosity of the low-viscosity PET is 0.1-0.3dL/g, the mass percent of titanium dioxide in the high-viscosity PET is 0.15-0.2, and the mass percent of titanium dioxide in the low-viscosity PET is 0.35-0.45.
According to one embodiment of the invention, the weight ratio between the high viscosity PET and the low viscosity PET is between 0.8 and 1.2:1.1 and 2.1.
Further, the titanium dioxide in the titanium dioxide-ethylene glycol slurry is titanium dioxide fibers coated with titanium dioxide nanoparticles.
Optionally, the titanium dioxide nanoparticles have a size of 150nm to 200 nm.
In some embodiments of the invention, the moisture content of the high viscosity PET is no greater than 0.3, on a mass percent basis.
Further, the moisture content in the low-viscosity PET is not more than 0.4 in percentage by mass.
According to one embodiment of the present invention, the moisture content in the titanium dioxide-ethylene glycol slurry is not more than 0.2 in mass percent.
In some embodiments of the invention, the composite fiber has an elliptical cross-section.
The full-dull low-elasticity polyester bicomponent composite fiber provided by the embodiment of the invention is specifically explained by combining the specific embodiment.
Example 1
Titanium dioxide-ethylene glycol slurry is added on line in the process of melting high-viscosity PET, the titanium dioxide in the titanium dioxide-ethylene glycol slurry is titanium dioxide fibers coated with titanium dioxide nanoparticles, the size of the titanium dioxide nanoparticles is 150nm, the moisture content in the high-viscosity PET is 0.3 percent by mass, the moisture content in the titanium dioxide-ethylene glycol slurry is 0.2 percent by mass, the viscosity of the high-viscosity PET is 0.5dL/g, and the titanium dioxide in the high-viscosity PET is 0.15 percent by mass.
Adding titanium dioxide-ethylene glycol slurry on line in the melt process of low-viscosity PET, wherein the titanium dioxide in the titanium dioxide-ethylene glycol slurry is titanium dioxide fibers coating titanium dioxide nanoparticles, the size of the titanium dioxide nanoparticles is 150nm, the moisture content in the high-viscosity PET is 0.4 in percentage by mass, the moisture content in the titanium dioxide-ethylene glycol slurry is 0.2 in percentage by mass, the viscosity of the low-viscosity PET is 0.1dL/g, and the titanium dioxide in the low-viscosity PET is 0.35 in percentage by mass.
Then, the high-viscosity PET and the low-viscosity PET respectively added with the titanium dioxide-ethylene glycol slurry are subjected to parallel composite spinning and post-processing to obtain the required product, wherein the weight ratio of the high-viscosity PET to the low-viscosity PET is 0.8: 1.1. The cross section of the composite fiber of the product is elliptical. The gloss of the product was 17% and the fineness was 0.65 dtex.
Example 2
Titanium dioxide-ethylene glycol slurry is added on line in the process of melting high-viscosity PET, the titanium dioxide in the titanium dioxide-ethylene glycol slurry is titanium dioxide fibers coated with titanium dioxide nanoparticles, the size of the titanium dioxide nanoparticles is 170nm, the moisture content in the high-viscosity PET is 0.28 percent by mass, the moisture content in the titanium dioxide-ethylene glycol slurry is 0.18 percent by mass, the viscosity of the high-viscosity PET is 0.6dL/g, and the titanium dioxide in the high-viscosity PET is 0.16 percent by mass.
Adding titanium dioxide-ethylene glycol slurry on line in the melt process of low-viscosity PET, wherein the titanium dioxide in the titanium dioxide-ethylene glycol slurry is titanium dioxide fibers coating titanium dioxide nanoparticles, the size of the titanium dioxide nanoparticles is 150nm, the moisture content in the high-viscosity PET is 0.3 in percentage by mass, the moisture content in the titanium dioxide-ethylene glycol slurry is 0.19 in percentage by mass, the viscosity of the low-viscosity PET is 0.2dL/g, and the titanium dioxide in the low-viscosity PET is 0.37 in percentage by mass.
Then, the high-viscosity PET and the low-viscosity PET respectively added with the titanium dioxide-ethylene glycol slurry are subjected to parallel composite spinning and post-processing to obtain the required product, wherein the weight ratio of the high-viscosity PET to the low-viscosity PET is 0.9: 1.5. The cross section of the composite fiber of the product is elliptical. The gloss of the product was 19% and the fineness was 0.70 dtex.
Example 3
Titanium dioxide-ethylene glycol slurry is added on line in the process of melting high-viscosity PET, the titanium dioxide in the titanium dioxide-ethylene glycol slurry is titanium dioxide fibers coated with titanium dioxide nanoparticles, the size of the titanium dioxide nanoparticles is 190nm, the moisture content in the high-viscosity PET is 0.25 percent by mass, the moisture content in the titanium dioxide-ethylene glycol slurry is 0.15 percent by mass, the viscosity of the high-viscosity PET is 0.8dL/g, and the titanium dioxide in the high-viscosity PET is 0.19 percent by mass.
Adding titanium dioxide-ethylene glycol slurry on line in the melt process of low-viscosity PET, wherein the titanium dioxide in the titanium dioxide-ethylene glycol slurry is titanium dioxide fibers coating titanium dioxide nanoparticles, the size of the titanium dioxide nanoparticles is 180nm, the moisture content in the high-viscosity PET is 0.25 percent by mass, the moisture content in the titanium dioxide-ethylene glycol slurry is 0.15 percent by mass, the viscosity of the low-viscosity PET is 0.25dL/g, and the titanium dioxide in the low-viscosity PET is 0.40 percent by mass.
Then, the high-viscosity PET and the low-viscosity PET respectively added with the titanium dioxide-ethylene glycol slurry are subjected to parallel composite spinning and post-processing to obtain the required product, wherein the weight ratio of the high-viscosity PET to the low-viscosity PET is 1.1: 2.0. The cross section of the composite fiber of the product is elliptical. The gloss of the product was 16% and the fineness was 0.60 dtex.
Example 4
Titanium dioxide-ethylene glycol slurry is added on line in the process of melting high-viscosity PET, the titanium dioxide in the titanium dioxide-ethylene glycol slurry is titanium dioxide fibers coated with titanium dioxide nanoparticles, the size of the titanium dioxide nanoparticles is 200nm, the moisture content in the high-viscosity PET is 0.15 percent by mass, the moisture content in the titanium dioxide-ethylene glycol slurry is 0.1 percent by mass, the viscosity of the high-viscosity PET is 0.9dL/g, and the titanium dioxide in the high-viscosity PET is 0.2 percent by mass.
Adding titanium dioxide-ethylene glycol slurry on line in the melt process of the low-viscosity PET, wherein the titanium dioxide in the titanium dioxide-ethylene glycol slurry is titanium dioxide fibers coating titanium dioxide nanoparticles, the size of the titanium dioxide nanoparticles is 200nm, the moisture content in the high-viscosity PET is 0.20 percent by mass, the moisture content in the titanium dioxide-ethylene glycol slurry is 0.13 percent by mass, the viscosity of the low-viscosity PET is 0.3dL/g, and the mass percent of the titanium dioxide in the low-viscosity PET is 0.45.
Then, the high-viscosity PET and the low-viscosity PET respectively added with the titanium dioxide-ethylene glycol slurry are subjected to parallel composite spinning and post-processing to obtain the required product, wherein the weight ratio of the high-viscosity PET to the low-viscosity PET is 1.2: 2.1. The cross section of the composite fiber of the product is elliptical. The gloss of the product was 18% and the fineness was 0.68 dtex.
In summary, the full-dull low-elasticity polyester bicomponent composite fiber according to the embodiment of the invention adds high content of TiO to high-viscosity PET and low-viscosity PET respectively in the spinning process2Prepared from delustering agent, not only eliminating dazzling light of slicesBesides making the fiber opaque, the reflective and glittering effects of the fiber are reduced, so that the developed cloth cover of the subsequent fabric can achieve the full-dull effect.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. The full-dull low-elasticity polyester bicomponent composite fiber is characterized by being prepared by carrying out parallel composite spinning and post-processing on high-viscosity PET and low-viscosity PET, wherein titanium dioxide-ethylene glycol slurry is respectively added into the high-viscosity PET and the low-viscosity PET in an online manner in a melt process, the viscosity of the high-viscosity PET is 0.5-0.9dL/g, the viscosity of the low-viscosity PET is 0.1-0.3dL/g, the mass percent of titanium dioxide in the high-viscosity PET is 0.15-0.2, and the mass percent of titanium dioxide in the low-viscosity PET is 0.35-0.45.
2. The full dull low elastic polyester bicomponent composite fiber according to claim 1, wherein the weight ratio between the high viscosity PET and the low viscosity PET is 0.8-1.2: 1.1-2.1.
3. The full dull and low elastic polyester bicomponent composite fiber according to claim 2, wherein the titanium dioxide in the titanium dioxide-ethylene glycol slurry is a titanium dioxide fiber coated with titanium dioxide nanoparticles.
4. The full dull and low elastic polyester bicomponent composite fiber according to claim 3, wherein the size of the titanium dioxide nanoparticles is 150nm to 200 nm.
5. The full dull and low elastic polyester bicomponent composite fiber according to claim 1, wherein the moisture content in the high viscosity PET is not more than 0.3 in mass percent.
6. The full dull and low elastic polyester bicomponent composite fiber according to claim 5, wherein the moisture content in the low viscosity PET is not more than 0.4 in mass percent.
7. The full dull and low elastic polyester bicomponent composite fiber according to claim 1, wherein the moisture content in the titanium dioxide-ethylene glycol slurry is not more than 0.2 in mass percent.
8. The full dull and low elastic polyester bicomponent composite fiber according to claim 1, wherein the cross section of the composite fiber is elliptical.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911213522 | 2019-12-02 | ||
| CN2019112135229 | 2019-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112981606A true CN112981606A (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010157291.0A Pending CN112981606A (en) | 2019-12-02 | 2020-03-09 | Full-dull low-elasticity polyester bicomponent composite fiber |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000345433A (en) * | 1999-06-04 | 2000-12-12 | Nippon Ester Co Ltd | Polyester conjugate fiber for stretchable woven or knitted fabric |
| JP2007016336A (en) * | 2005-07-06 | 2007-01-25 | Nippon Ester Co Ltd | Latent-crimped polyester conjugate fiber |
| CN101611193A (en) * | 2007-03-19 | 2009-12-23 | 东丽株式会社 | Stretchable sheet and manufacture method thereof |
| CN104141178A (en) * | 2014-07-31 | 2014-11-12 | 江苏盛虹科技股份有限公司 | Elastic PET composite fiber and method for preparing elastic PET composite fiber |
| CN107385528A (en) * | 2017-06-02 | 2017-11-24 | 吴江佳力高纤有限公司 | A kind of high-elastic delustring TSF composite fibres section spinning and preparation method thereof |
| KR101938840B1 (en) * | 2017-09-25 | 2019-04-10 | (주)서원테크 | Polyester conjugated yarn having natural emotion and manufacturing method of fabric using the same |
-
2020
- 2020-03-09 CN CN202010157291.0A patent/CN112981606A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000345433A (en) * | 1999-06-04 | 2000-12-12 | Nippon Ester Co Ltd | Polyester conjugate fiber for stretchable woven or knitted fabric |
| JP2007016336A (en) * | 2005-07-06 | 2007-01-25 | Nippon Ester Co Ltd | Latent-crimped polyester conjugate fiber |
| CN101611193A (en) * | 2007-03-19 | 2009-12-23 | 东丽株式会社 | Stretchable sheet and manufacture method thereof |
| CN104141178A (en) * | 2014-07-31 | 2014-11-12 | 江苏盛虹科技股份有限公司 | Elastic PET composite fiber and method for preparing elastic PET composite fiber |
| CN107385528A (en) * | 2017-06-02 | 2017-11-24 | 吴江佳力高纤有限公司 | A kind of high-elastic delustring TSF composite fibres section spinning and preparation method thereof |
| KR101938840B1 (en) * | 2017-09-25 | 2019-04-10 | (주)서원테크 | Polyester conjugated yarn having natural emotion and manufacturing method of fabric using the same |
Non-Patent Citations (2)
| Title |
|---|
| 潘永康 主编: "《现代干燥技术》", 30 September 1998, 化学工业出版社 * |
| 王成业 等编: "《涤纶纺丝》", 31 March 1980, 纺织工业出版社 * |
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Application publication date: 20210618 |
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