CN114672898A - Composite monofilament and preparation method thereof - Google Patents
Composite monofilament and preparation method thereof Download PDFInfo
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- CN114672898A CN114672898A CN202210227096.XA CN202210227096A CN114672898A CN 114672898 A CN114672898 A CN 114672898A CN 202210227096 A CN202210227096 A CN 202210227096A CN 114672898 A CN114672898 A CN 114672898A
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- 239000002131 composite material Substances 0.000 title claims abstract description 79
- 238000002360 preparation method Methods 0.000 title abstract description 24
- 239000012792 core layer Substances 0.000 claims abstract description 68
- 239000010410 layer Substances 0.000 claims abstract description 65
- 229910000077 silane Inorganic materials 0.000 claims abstract description 9
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 43
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 43
- 238000009987 spinning Methods 0.000 claims description 43
- 238000002156 mixing Methods 0.000 claims description 34
- 238000001035 drying Methods 0.000 claims description 33
- QHSJIZLJUFMIFP-UHFFFAOYSA-N ethene;1,1,2,2-tetrafluoroethene Chemical compound C=C.FC(F)=C(F)F QHSJIZLJUFMIFP-UHFFFAOYSA-N 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 25
- 238000002844 melting Methods 0.000 claims description 24
- 230000008018 melting Effects 0.000 claims description 24
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 11
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 10
- 238000013329 compounding Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- -1 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
Images
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)
- Artificial Filaments (AREA)
- Multicomponent Fibers (AREA)
Abstract
The invention discloses a composite monofilament and a preparation method thereof, wherein the composite monofilament comprises a core layer and a skin layer arranged outside the core layer, the core layer is made of PET, and the skin layer is made of silane modified PET; the composite mass ratio of the core layer to the skin layer is (3-7) to (7-3), and the diameter of the composite monofilament is 1-1.5 mm. The composite monofilament obtained by the invention has good hydrophobicity and oleophobicity, and good mechanical property and compatibility.
Description
Technical Field
The invention relates to a composite fiber material and a preparation method thereof, in particular to a composite monofilament and a preparation method thereof.
Background
As a composite fiber material, the composite monofilament has the advantages of smooth surface, gorgeous color, water resistance, oil resistance, ultraviolet resistance, flame retardance, coolness, wear resistance, long service life and the like, so that the composite monofilament is widely applied to various products such as outdoor leisure articles, furniture decoration, beach chairs, hammocks, curtains, automobile cushion foot pads, door mats, decorative articles and the like. PET is one of the most widely used synthetic polymers for human beings at present, is synthesized as early as 40 s in the twentieth century, has excellent performance, and is widely applied to the fields of textile, packaging, medical sanitation, automobiles, electronic and electric appliances, safety protection, environmental protection and the like. With the progress of society and the improvement of living standard of people, the demand of differentiation and functionalization of polyester fibers is higher and higher.
However, the composite monofilaments currently used still have the following problems: the application of PET in textile and packaging materials has certain limitation, and the main problems are that the existing composite monofilament contains polyester with low molecular weight, cannot meet the requirements of spinning and film forming, and has poor waterproof and antifouling functions; in order to improve the performance of PET, PET is often used in a composite with other polyester materials, however, there is a problem that PET is poorly compatible with other materials.
Disclosure of Invention
Based on the above situation, the present invention aims to provide a composite monofilament and a preparation method thereof, wherein the composite monofilament obtained by the present invention has good hydrophobicity, good mechanical properties and good compatibility, and can effectively solve the above problems.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a composite monofilament comprises a core layer and a skin layer arranged outside the core layer, wherein the core layer is made of PET, and the skin layer is made of silane modified PET; the composite mass ratio of the core layer to the skin layer is (3-7) to (7-3), and the diameter of the composite monofilament is 1-1.5 mm.
The compatibility between the core layer monofilament and the skin layer of the composite monofilament is better, so that the adhesion between the core layer monofilament and the skin layer is firmer, the wear resistance of the composite monofilament is improved, and the service life of the composite monofilament is prolonged. Meanwhile, the improved skin layer has good hydrophobic property and oleophobic property.
Preferably, the skin layer is prepared by the following method:
(1) mixing a silane coupling agent and ETFE resin powder according to the mass ratio of (1-2) to (10-20) to prepare silanized ETFE resin;
(2) mixing PET with the silanized ETFE resin obtained in the step (1) and the polyolefin elastomer POE by using a high-speed mixer, and drying after mixing to obtain a mixture; wherein the mass ratio of PET to ETFE resin powder to the polyolefin elastomer is (20-100): (10-20): 5-10).
Preferably, the mixing time in the step (2) is 15-30 min, and the mixing speed is as follows: 500-.
Preferably, the silane coupling agent is KH-550 silane coupling agent.
The invention also provides a preparation method of the composite monofilament, which comprises the following steps:
s1, drying the core layer material, melting by a screw, spinning, stretching, shaping, and ultrasonically cleaning to prepare core layer monofilaments;
s2, drying the skin layer, melting by a screw rod and preparing the skin layer;
s3, compounding and spinning the core layer monofilament prepared in the step S1 and the skin layer monofilament prepared in the step S2, cooling in a water bath, and finally winding and forming to prepare the chemical resistant composite monofilament.
Preferably, in step S1, the spinning temperature is: 260 ℃ and 280 ℃, spinning speed: 50-300 m/min; and during the stretching and setting, the stretching ratio is as follows: 3-5, setting temperature: 150 ℃ and 200 ℃.
Preferably, in step S2, the temperature of the extruder barrel used for melting the screw is 250-280 ℃,
the die temperature was 270 ℃ and 300 ℃.
Preferably, in step S3, the spinning temperature is 290 ℃.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the compatibility between the core layer monofilament and the skin layer of the composite monofilament provided by the invention is better, so that the adhesion between the core layer monofilament and the skin layer is firmer, the wear resistance of the composite monofilament is improved, and the service life of the composite monofilament is prolonged. Meanwhile, the composite monofilament obtained by the invention has good hydrophobic and oleophobic properties. In addition, in the preparation method of the composite monofilament provided by the invention, the compounding and spinning work of the composite monofilament and the preparation work of the core layer monofilament are completed on the same production line, so that intermediate links are reduced, and the preparation cost of the composite monofilament can be further reduced. In addition, both the PET in the core layer raw material and the PET in the skin layer raw material can be prepared by adopting recycled PET, and can also be recycled.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a core layer; 2-cortex layer.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in connection with specific examples, which should not be construed as limiting the present patent.
The test methods or test methods described in the following examples are all conventional methods unless otherwise specified; the reagents and materials, unless otherwise specified, are either commercially available from conventional sources or are prepared in conventional manners.
Example 1:
as shown in fig. 1, the composite monofilament includes a core layer 1 and a skin layer 2 disposed outside the core layer 1, wherein the core layer 1 is made of PET, and the skin layer 2 is made of PET modified by silane; the composite mass ratio of the core layer 1 to the skin layer 2 is 7:3, and the diameter of the composite monofilament is 1.5 mm.
The preparation method of the composite monofilament comprises the following steps:
s1, drying the core layer material, melting by a screw, spinning, stretching, shaping, and ultrasonically cleaning to prepare core layer monofilaments; wherein the spinning temperature is: 280 ℃, spinning speed: 300 m/min; and during the stretching and setting, the stretching ratio is as follows: 5, setting temperature: at 200 ℃.
S2, drying the skin layer material, and melting the screw to obtain the skin layer, wherein the extruder barrel temperature for melting the screw is 260 ℃, and the die head temperature is 280 ℃.
Wherein, the preparation process of the skin layer material is as follows:
(1) mixing a silane coupling agent and ETFE resin powder according to a mass ratio of 1:10 to prepare silanized ETFE resin;
(2) Mixing PET with the silanized ETFE resin obtained in the step (1) and the polyolefin elastomer POE by using a high-speed mixer, and drying after mixing to obtain a mixture; wherein the mass ratio of PET to ETFE resin powder to the polyolefin elastomer is 20:10: 5; mixing time was 15min, mixing speed was: 500 revolutions per minute, the drying temperature of 120 ℃ and the drying time of 2 hours.
S3, compounding and spinning the core layer monofilament prepared in the step S1 and the skin layer monofilament prepared in the step S2, cooling in a water bath, and finally winding and forming to prepare the chemical resistant composite monofilament. Wherein the spinning temperature is 290 ℃.
Example 2:
as shown in fig. 1, the composite monofilament comprises a core layer 1 and a skin layer 2 arranged outside the core layer, wherein the core layer 1 is made of PET, and the skin layer 2 is made of silane modified PET; the composite mass ratio of the core layer 1 to the skin layer 2 is 3:7, and the diameter of the composite monofilament is 1 mm.
The preparation method of the composite monofilament comprises the following steps:
s1, drying the core layer material, melting by a screw, spinning, stretching, shaping, and ultrasonically cleaning to prepare core layer monofilaments; wherein the spinning temperature is: 260 ℃, spinning speed: 50 m/min; and during the stretching and setting, the stretching ratio is as follows: 3, setting temperature: at 150 ℃.
S2, drying the skin layer material, and melting the screw to obtain the skin layer, wherein the barrel temperature of an extruder adopted for melting the screw is 280 ℃, and the die head temperature is 300 ℃.
Wherein, the preparation process of the skin layer material is as follows:
(1) mixing a silane coupling agent and ETFE resin powder according to a mass ratio of 2:10 to prepare silanized ETFE resin;
(2) mixing PET with the silanized ETFE resin obtained in the step (1) and the polyolefin elastomer POE by using a high-speed mixer, and drying after mixing to obtain a mixture; wherein the mass ratio of PET to ETFE resin powder to the polyolefin elastomer is 100:20: 10; the mixing time was 30min, the mixing speed was: 800 revolutions per minute, the drying temperature is 120 ℃, and the drying time is 4 hours;
s3, compounding and spinning the core layer monofilament prepared in the step S1 and the skin layer monofilament prepared in the step S2, cooling in a water bath, and finally winding and forming to prepare the chemical resistant composite monofilament. Wherein the spinning temperature is 290 ℃.
Example 3:
as shown in fig. 1, the composite monofilament comprises a core layer 1 and a skin layer 2 arranged outside the core layer, wherein the core layer 1 is made of PET, and the skin layer 2 is made of silane modified PET; the composite mass ratio of the core layer 1 to the skin layer 2 is 1:1, and the diameter of the composite monofilament is 1.2 mm.
The preparation method of the composite monofilament comprises the following steps:
s1, drying the core layer material, melting by a screw, spinning, stretching, shaping, and ultrasonically cleaning to prepare core layer monofilaments; wherein the spinning temperature is: 270 ℃, spinning speed: 100 m/min; and during the stretching and setting, the stretching ratio is as follows: 4, setting temperature: 180 ℃ is carried out.
S2, drying the skin layer material, melting by a screw rod to prepare the skin layer, wherein the temperature of a material cylinder of an extruder adopted for melting by the screw rod is 250 ℃, and the temperature of a die head is 270 ℃.
Wherein, the preparation process of the skin layer material is as follows:
(1) mixing a silane coupling agent and ETFE resin powder according to a mass ratio of 1:20 to prepare silanized ETFE resin;
(2) mixing PET with the silanized ETFE resin and the polyolefin elastomer POE obtained in the step (1) by using a high-speed mixer, and drying after mixing to obtain a mixture; wherein the mass ratio of PET to ETFE to the polyolefin elastomer is 100:20: 5; the mixing time was 20min, the mixing speed was: 600 revolutions per minute, the drying temperature is 120 ℃, and the drying time is 4 hours;
s3, compounding and spinning the core layer monofilament prepared in the step S1 and the skin layer monofilament prepared in the step S2, cooling in a water bath, and finally winding and forming to prepare the chemical resistant composite monofilament. Wherein the spinning temperature is 290 ℃.
Comparative example 1:
a composite monofilament comprises a core layer and a skin layer arranged outside the core layer, wherein the core layer is made of PET (polyethylene terephthalate), and the skin layer is made of PET; the composite mass ratio of the core layer to the skin layer is 1:1, and the diameter of the composite monofilament is 1.2 mm.
The preparation method of the composite monofilament comprises the following steps:
s1, drying the core layer material, melting by a screw, spinning, stretching, shaping, and ultrasonically cleaning to prepare core layer monofilaments; wherein the spinning temperature is: 270 ℃, spinning speed: 100 m/min; and during the stretching and setting, the stretching ratio is as follows: 4, setting temperature: 180 ℃ is carried out.
S2, drying the skin layer material, and melting the screw to obtain the skin layer, wherein the extruder barrel temperature adopted for melting the screw is 250 ℃, and the die head temperature is 270 ℃.
S3, compounding and spinning the core layer monofilament prepared in the step S1 and the skin layer monofilament prepared in the step S2, cooling in a water bath, and finally winding and forming to prepare the composite monofilament. Wherein the spinning temperature is 290 ℃.
Comparative example 2:
a composite monofilament comprises a core layer and a skin layer arranged outside the core layer, wherein the core layer is made of PBT (polybutylene terephthalate), and the skin layer is made of silane modified PET (polyethylene terephthalate); the composite mass ratio of the core layer to the skin layer is 3:7, and the diameter of the composite monofilament is 1 mm.
The preparation method of the composite monofilament comprises the following steps:
s1, drying the core layer material, melting by a screw, spinning, stretching, shaping, and ultrasonically cleaning to prepare core layer monofilaments; wherein the spinning temperature is: 260 ℃, spinning speed: 50 m/min; and during the stretching and setting, the stretching ratio is as follows: 3, setting temperature: at 150 ℃.
S2, drying the skin layer material, and melting the screw to obtain the skin layer, wherein the extruder barrel temperature for melting the screw is 260 ℃, and the die head temperature is 280 ℃.
The preparation process of the skin layer material is as follows:
(1) mixing a silane coupling agent and ETFE resin powder according to a mass ratio of 2:10 to prepare silanized ETFE resin;
(2) mixing PET with the silanized ETFE resin and the polyolefin elastomer POE obtained in the step (1) by using a high-speed mixer, and drying after mixing to obtain a mixture; wherein the mass ratio of PET to ETFE resin powder to the polyolefin elastomer is 100:20: 10; the mixing time was 30min, the mixing speed was: 800 revolutions per minute, the drying temperature is 120 ℃, and the drying time is 4 hours;
s3, compounding and spinning the core layer monofilament prepared in the step S1 and the skin layer monofilament prepared in the step S2, cooling in a water bath, and finally winding and forming to prepare the composite monofilament. Wherein the spinning temperature is 290 ℃.
Comparative example 3:
a composite monofilament comprises a core layer 1 and a skin layer 2 arranged outside the core layer, wherein the core layer is made of PET (polyethylene terephthalate), and the skin layer is made of modified PET; the composite mass ratio of the core layer to the skin layer is 3:7, and the diameter of the composite monofilament is 1 mm.
The preparation method of the composite monofilament comprises the following steps:
s1, drying the core layer material, melting by a screw, spinning, stretching, shaping, and ultrasonically cleaning to prepare core layer monofilaments; wherein the spinning temperature is: 260 ℃, spinning speed: 50 m/min; and during the stretching and setting, the stretching ratio is as follows: 3, setting temperature: at 150 ℃.
S2, drying the skin layer material, melting by a screw rod to prepare the skin layer, wherein the temperature of a material cylinder of an extruder adopted for melting by the screw rod is 250 ℃, and the temperature of a die head is 270 ℃.
The preparation process of the skin layer material is as follows:
(1) mixing PET, ETFE resin and polyolefin elastomer POE by using a high-speed mixer, and drying after mixing to obtain a mixture; wherein the mass ratio of PET to ETFE resin to polyolefin elastomer is 100:20: 10; the mixing time was 30min, the mixing speed was: 800 revolutions per minute, the drying temperature is 120 ℃, and the drying time is 4 hours;
s3, compounding and spinning the core layer monofilament prepared in the step S1 and the skin layer monofilament prepared in the step S2, cooling in a water bath, and finally winding and forming to prepare the composite monofilament. Wherein the spinning temperature is 290 ℃.
The fabrics made of the composite monofilaments obtained in examples 1 to 3 and comparative examples 1 to 3 were subjected to contact angle and elongation tests, respectively, and the test results are shown in table 1.
Table 1: test results of contact Angle and elongation
As shown in the table, compared with the prior art, the composite monofilament has better hydrophobic and oleophobic properties; meanwhile, compared with PBT-silane modified PET composite monofilaments with similar performance, the PET-silane modified PET has better compatibility, more excellent mechanical property and more comprehensive performance; meanwhile, in the preparation method of the composite monofilament provided by the invention, the compounding and spinning work of the composite monofilament and the preparation work of the core layer monofilament are finished on the same production line, so that intermediate links are reduced, and the preparation cost of the composite monofilament can be further reduced.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (8)
1. The composite monofilament is characterized by comprising a core layer and a skin layer arranged outside the core layer, wherein the core layer is made of PET (polyethylene terephthalate), and the skin layer is made of silane modified PET; the composite mass ratio of the core layer to the skin layer is (3-7) to (7-3), and the diameter of the composite monofilament is 1-1.5 mm.
2. The composite monofilament according to claim 1, wherein said skin layer is prepared by the following process:
(1) mixing a silane coupling agent and ETFE resin powder according to the mass ratio of (1-2) to (10-20) to prepare silanized ETFE resin;
(2) mixing PET with the silanized ETFE resin obtained in the step (1) and the polyolefin elastomer POE by using a high-speed mixer, and drying after mixing to obtain a mixture; wherein the mass ratio of PET to ETFE resin powder to the polyolefin elastomer is (20-100): (10-20): 5-10).
3. The composite monofilament as claimed in claim 2, wherein the mixing time in step (2) is 15-30 min, and the mixing speed is: 500-.
4. The composite monofilament as claimed in claim 2, wherein the silane coupling agent is a KH-550 silane coupling agent.
5. A method for preparing a composite monofilament according to any one of claims 1 to 4, comprising the steps of:
S1, drying the core layer material, melting by a screw, spinning, stretching, shaping, and ultrasonically cleaning to prepare core layer monofilaments;
s2, drying the skin layer material, and melting by a screw rod to prepare the skin layer;
s3, compounding and spinning the core layer monofilament prepared in the step S1 and the skin layer monofilament prepared in the step S2, cooling in a water bath, and finally winding and forming to prepare the chemical resistant composite monofilament.
6. The method for preparing a composite monofilament according to claim 5, wherein in step S1, the spinning temperature is: 260 ℃ and 280 ℃, and the spinning speed is as follows: 50-300 m/min; during the stretching and setting, the stretching ratio is as follows: 3-5, setting temperature: 150 ℃ to 200 ℃.
7. The method for preparing composite monofilaments according to claim 5, wherein in step S2, the extruder barrel temperature for melting the screw is 250-280 ℃ and the die temperature is 270-300 ℃.
8. The method for preparing a composite monofilament as claimed in claim 5, wherein the spinning temperature in step S3 is 290 ℃.
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CN1388275A (en) * | 2002-07-17 | 2003-01-01 | 中国石油化工股份有限公司 | Far infrared magnetic fiber and its production process |
CN1693547A (en) * | 2005-04-27 | 2005-11-09 | 天津工业大学 | Functional fiber and its manufacturing method |
WO2009073543A2 (en) * | 2007-11-30 | 2009-06-11 | Dow Global Technologies Inc. | Process and apparatus for molding fabrics comprising elastic polymeric fibres |
CN105002596A (en) * | 2015-08-04 | 2015-10-28 | 无锡金通化纤有限公司 | Composite monofilament applied to material filtering base cloth and preparing method thereof |
CN207207315U (en) * | 2017-06-20 | 2018-04-10 | 华南理工大学 | A kind of three-dimensional crimp core-skin composite fiber and nanofiber composite sound isolating material |
CN111235690A (en) * | 2020-04-08 | 2020-06-05 | 江苏江南高纤股份有限公司 | Green composite short fiber and its prepn |
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- 2022-03-08 CN CN202210227096.XA patent/CN114672898A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1388275A (en) * | 2002-07-17 | 2003-01-01 | 中国石油化工股份有限公司 | Far infrared magnetic fiber and its production process |
CN1693547A (en) * | 2005-04-27 | 2005-11-09 | 天津工业大学 | Functional fiber and its manufacturing method |
WO2009073543A2 (en) * | 2007-11-30 | 2009-06-11 | Dow Global Technologies Inc. | Process and apparatus for molding fabrics comprising elastic polymeric fibres |
CN105002596A (en) * | 2015-08-04 | 2015-10-28 | 无锡金通化纤有限公司 | Composite monofilament applied to material filtering base cloth and preparing method thereof |
CN207207315U (en) * | 2017-06-20 | 2018-04-10 | 华南理工大学 | A kind of three-dimensional crimp core-skin composite fiber and nanofiber composite sound isolating material |
CN111235690A (en) * | 2020-04-08 | 2020-06-05 | 江苏江南高纤股份有限公司 | Green composite short fiber and its prepn |
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