CN112663328A - Textile with high thermal conductivity and preparation method thereof - Google Patents
Textile with high thermal conductivity and preparation method thereof Download PDFInfo
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- CN112663328A CN112663328A CN202011456764.3A CN202011456764A CN112663328A CN 112663328 A CN112663328 A CN 112663328A CN 202011456764 A CN202011456764 A CN 202011456764A CN 112663328 A CN112663328 A CN 112663328A
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- textile
- thermal conductivity
- high thermal
- coupling agent
- aluminum nitride
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- 239000004753 textile Substances 0.000 title claims abstract description 79
- 238000002360 preparation method Methods 0.000 title abstract description 11
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims abstract description 46
- 239000007822 coupling agent Substances 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 15
- 239000006185 dispersion Substances 0.000 claims description 24
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 21
- 239000004744 fabric Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 19
- 229920000742 Cotton Polymers 0.000 claims description 17
- 210000002268 wool Anatomy 0.000 claims description 17
- 229920000297 Rayon Polymers 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 244000025254 Cannabis sativa Species 0.000 claims description 4
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 4
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 235000009120 camo Nutrition 0.000 claims description 4
- 235000005607 chanvre indien Nutrition 0.000 claims description 4
- 239000011487 hemp Substances 0.000 claims description 4
- -1 yarn Substances 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000012209 synthetic fiber Substances 0.000 claims description 2
- 238000009210 therapy by ultrasound Methods 0.000 claims description 2
- 150000001298 alcohols Chemical class 0.000 claims 1
- 239000002964 rayon Substances 0.000 claims 1
- 230000035484 reaction time Effects 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 13
- 239000004745 nonwoven fabric Substances 0.000 description 13
- QKSIFUGZHOUETI-UHFFFAOYSA-N copper;azane Chemical compound N.N.N.N.[Cu+2] QKSIFUGZHOUETI-UHFFFAOYSA-N 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000003851 corona treatment Methods 0.000 description 6
- 238000001291 vacuum drying Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000001523 electrospinning Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002114 nanocomposite Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 239000002135 nanosheet Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to a textile with high thermal conductivity and a preparation method thereof. The textile with high thermal conductivity comprises aluminum nitride particles and a textile body, wherein the aluminum nitride particles are attached to the surface of the textile body through a coupling agent. The textile not only has high heat transfer performance, but also has more bright color and longer service life.
Description
Technical Field
The invention relates to a textile with high thermal conductivity and a preparation method thereof, belonging to the technical field of textile material processing.
Background
The rapid development of economy and the dramatic increase in consumer levels have prompted increasing demands on textile materials. To date, consumers have not only demanded cold protection and warmth retention, but also desire cool performance to cope with hot summer heat. The improvement of the cooling comfort of the material can be realized by improving the heat transfer performance of the material, so that more and more researchers are working on developing a textile material with high heat conductivity.
Currently, there have been some efforts directed to the study of heat transfer textile materials. Chinese patents CN202592837U and CN108770098A disclose a textile with a heat transfer device and a textile with a heat transfer function, both of which are sandwich type textile fabrics, and a built-in electric heating layer is used to realize high heat conduction property. However, such a sandwich textile fabric results in a thick fabric, poor hand feel, and poor wearability due to poor air permeability.
In addition, in an article "High temperature thermal conductive nanocomposite by" green "electrospinning" in "Nanoscale" 2018, 10 th, a thermally conductive nanocomposite textile material constructed by boron nitride (FBN) nanosheets and Polyimide (PI) nanofibers by means of electrospinning is described, and the method has the disadvantages of complicated steps, harsh conditions and inconvenience for large-scale industrial production; and the method can only prepare heat-conducting filaments, and cannot realize heat-conducting treatment on textiles such as yarns, fabrics and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing a textile with high thermal conductivity and a preparation method thereof aiming at the defects of the prior art. The textile with high thermal conductivity has high heat transfer performance, more bright color and longer service life.
The technical scheme adopted by the invention for solving the problems is as follows:
a textile with high thermal conductivity comprises a textile body and aluminum nitride particles, wherein the aluminum nitride particles are attached to the surface of the textile body through a coupling agent.
The invention also provides a preparation method of the textile with high thermal conductivity, which comprises the following steps:
(1) dispersing aluminum nitride powder and a coupling agent in a solvent, and uniformly mixing to obtain a dispersion liquid;
(2) placing the textile body into the dispersion liquid obtained in the step (1), dropwise adding an acid liquid to adjust the pH value of the dispersion liquid to 4-5, and performing ultrasonic treatment and/or stirring and/or oscillation for 1-3 hours to enable aluminum nitride powder to be attached to the surface of the textile body;
(3) and (3) cleaning the textile obtained in the step (2), and drying to obtain the textile with high thermal conductivity.
Further, in the step (1), the amounts of the aluminum nitride powder, the coupling agent and the solvent are 5-10 parts, 1-3 parts and 10-30 parts by weight of the solvent, respectively. Preferably, the coupling agent is one or more of silane coupling agent, titanate coupling agent, zirconate coupling agent and the like; the solvent is one or more of water or alcohol, such as deionized water, methanol, ethanol, isopropanol, etc.
Furthermore, the grain size of the aluminum nitride powder is between 0.1 and 10 um.
Further, in the step (2), the mass ratio (namely bath ratio) of the dispersion liquid obtained in the step (1) to the textile body is 3-20: 1; the acid solution is preferably 10 wt% acetic acid or citric acid or phosphoric acid solution.
Further, in step (2), the textile body may be subjected to corona treatment in advance. Of course, the corona treatment may also be omitted.
The present invention also provides a method of preparing a textile preferably of high thermal conductivity, comprising the steps of:
A. weighing 1-3 parts of coupling agent and 10-30 parts of solvent according to parts by weight, dissolving the coupling agent in the solvent, adding 5-10 parts of aluminum nitride powder, stirring for 0.5-2 h at 500-2000 r/min, and uniformly mixing to prepare dispersion liquid;
B. b, placing the textile body into the dispersion liquid prepared in the step A according to a bath ratio of 3-20: 1, dropwise adding acetic acid to adjust the pH value of the aluminum nitride dispersion liquid to 4-5, and placing the dispersion liquid in ultrasonic vibration for 1-3 hours to enable aluminum nitride particles to be attached to the surface of the textile body;
C. and D, cleaning the surface of the textile obtained in the step B, and then placing the textile in a vacuum drying oven for drying to obtain the textile with high thermal conductivity.
In the invention, the textile body is one or more of fiber, yarn, fabric, non-woven fabric and the like, and the raw material of the textile body can be one or more of cotton, wool, hemp, silk, artificial fiber, synthetic fiber and the like. Especially suitable for textile materials rich in active groups such as hydroxyl, amino and the like, such as cellulose fibers such as cotton, hemp and the like and yarns, fabrics and the like made of the cellulose fibers; and textile materials with high moisture regain and high water content, such as cotton, hemp, viscose, wool, cuprammonium fibers and the like.
Compared with the prior art, the invention has the beneficial effects that:
1. the textile with high thermal conductivity adopts the coupling agent to attach the aluminum nitride powder to the surface of the textile body, and the coupling agent can prevent the aluminum nitride from being hydrolyzed on one hand and can be used as an adhesive between the aluminum nitride and a matrix on the other hand, so that the bonding force between the aluminum nitride powder and the textile material is enhanced, the high thermal conductivity and durability of the textile material are improved, and the service life of the thermal conductive textile material is prolonged.
2. The textile with high thermal conductivity of the invention can have relatively bright color in the subsequent dyeing process because the color of the aluminum nitride particles is white.
The preparation method of the textile with high thermal conductivity is suitable for various textile materials, has broad spectrum, less process flow, convenient and easily controlled operation process and is easy to realize industrial production.
Detailed Description
In order to better understand the present invention, the following examples are further provided to illustrate the content of the present invention, but the present invention is not limited to the following examples.
Example 1
A preparation method of a textile with high thermal conductivity comprises the following specific steps:
A. weighing 1 part of tetraethoxysilane and 30 parts of ethanol according to parts by weight to prepare an ethanol solution of the tetraethoxysilane, then adding 5 parts of aluminum nitride powder with the particle size of 0.1um, strongly stirring for 0.5h at 2000r/min, and uniformly mixing to obtain an aluminum nitride dispersion liquid;
B. adhesion of aluminum nitride: taking the gram weight as 80g/m2The cotton fabric (as the textile body in the embodiment) is cleaned, the cotton fabric after corona treatment is placed in the aluminum nitride dispersion prepared in the step A according to the bath ratio of 3:1, 10 wt% of acetic acid solution is dripped to adjust the pH of the dispersion to be 4, ultrasonic vibration is started for 3 hours, and aluminum nitride particles are attached to the surface of the cotton fabric;
C. post-treatment of cotton fabric: and D, cleaning the surface of the cotton fabric obtained in the step B, and then placing the cotton fabric in a vacuum drying oven for drying to obtain the cotton fabric with high thermal conductivity.
The thermal conductivity coefficient of the cotton fabric with high thermal conductivity obtained in the embodiment can reach 0.12W/m.multidot.K, and is increased by more than 30% compared with the cotton fabric of the textile body; and an abrasion resistance experiment is carried out under the GB/T21196.2-2007 standard, and through 100 times of friction, the heat conductivity coefficient of the obtained cotton fabric with high heat conductivity is reduced by 4.3%, and the cotton fabric shows good heat conductivity and durability. In addition, the aluminum nitride coating is tightly combined on the surface of the cotton fabric, so that the wear resistance of the cotton fabric can be effectively improved.
Example 2
A preparation method of a textile with high thermal conductivity comprises the following specific steps:
A. weighing 3 parts of tetramethoxysilane and 10 parts of methanol according to parts by weight to prepare a methanol solution of the tetramethoxysilane, adding 10 parts of aluminum nitride powder, strongly stirring for 2 hours at 500r/min, and uniformly mixing to prepare an aluminum nitride dispersion liquid;
B. adhesion of aluminum nitride: taking 150-denier wool yarns (serving as the textile body in the embodiment) and cleaning, placing the wool yarns subjected to corona treatment into the aluminum nitride dispersion prepared in the step A according to a bath ratio of 20:1, dropwise adding acetic acid to adjust the pH of the dispersion to be 5, starting ultrasonic vibration for 1h, and attaching aluminum nitride particles to the surfaces of the wool yarns;
C. wool yarn post-treatment: and D, cleaning the surface of the wool yarn obtained in the step B, and then placing the wool yarn in a vacuum drying oven for drying to obtain the wool yarn with high thermal conductivity.
The thermal diffusivity of the wool yarn with high thermal conductivity obtained in the embodiment can reach 1.5 x 10-7m2The wool yarns are increased by more than 25% compared with the wool yarns of the textile body; and a wear-resistant experiment is carried out under the GB/T21196.2-2007 standard, and after 100 times of friction, the heat conductivity coefficient of the wool yarn with high heat conductivity is reduced by 1.5%, and the wool yarn shows excellent heat conductivity and durability. In addition, the aluminum nitride coating is tightly combined on the surface of the wool yarn, so that the wear resistance and the hair feather resistance of the wool yarn can be effectively improved.
Example 3
A preparation method of a textile with high thermal conductivity comprises the following specific steps:
A. weighing 2 parts of KH550 silane coupling agent, 10 parts of ethanol and 1 part of water according to parts by weight to prepare KH550 solution, adding 7 parts of aluminum nitride powder, strongly stirring for 1h at 1000r/min, and uniformly mixing to prepare aluminum nitride dispersion;
B. adhesion of aluminum nitride: taking viscose filament yarn (as the textile body in the embodiment) with the count of 2 denier, cleaning, placing the viscose filament yarn subjected to corona treatment into the aluminum nitride dispersion liquid prepared in the step A according to the bath ratio of 10:1, dropwise adding acetic acid to adjust the pH of the dispersion liquid to be 4.5, starting ultrasonic vibration for 2 hours, and attaching aluminum nitride particles to the surface of the viscose filament yarn;
C. viscose filament yarn post-treatment: and D, cleaning the surface of the viscose filament yarn obtained in the step B, and then placing the viscose filament yarn in a vacuum drying oven for drying to obtain the viscose filament yarn with high thermal conductivity.
The axial thermal conductivity coefficient of the viscose filament with high thermal conductivity obtained in the embodiment can reach 1.3W/m.multidot.K, and is increased by more than 30% compared with the viscose filament of the textile body; and wear-resisting experiments are carried out under the GB/T21196.2-2007 standard, and after 100 times of friction, the thermal conductivity of the obtained viscose filament with high thermal conductivity is reduced by 3.1%, and the good thermal conductivity and durability are shown. In addition, because the surface of the viscose filament yarn is tightly combined with the aluminum nitride coating, the wearing resistance of the viscose filament yarn can be effectively increased.
Example 4
A preparation method of a textile with high thermal conductivity comprises the following specific steps:
A. weighing 3 parts of KH560 silane coupling agent, 27 parts of formaldehyde and 3 parts of water according to parts by weight to prepare KH560 solution, adding 9 parts of aluminum nitride powder, strongly stirring for 1.5h at 1500r/min, and uniformly mixing to prepare aluminum nitride dispersion;
B. adhesion of aluminum nitride: taking the gram weight as 100g/m2The copper ammonia fiber nonwoven fabric (as the textile body of the embodiment) of (1) was washed, the copper ammonia fiber nonwoven fabric after corona treatment was placed in the aluminum nitride dispersion prepared in the step (A) at a bath ratio of 12:1, and acetic acid was added dropwise to adjustThe pH value of the dispersion liquid is 4, ultrasonic vibration is started for 1.5h, and aluminum nitride particles are attached to the surface of the copper ammonia fiber non-woven fabric;
C. post-treatment of the copper ammonia fiber non-woven fabric: and D, cleaning the surface of the copper ammonia fiber non-woven fabric obtained in the step B, and then placing the non-woven fabric in a vacuum drying box for drying to obtain the copper ammonia fiber non-woven fabric with high thermal conductivity.
The thermal conductivity coefficient of the copper ammonia fiber non-woven fabric with high thermal conductivity can reach 0.36W/m.multidot.K, and is increased by more than 40% compared with the copper ammonia fiber non-woven fabric of the textile body; and an abrasion resistance experiment is carried out under the GB/T21196.2-2007 standard, and after 100 times of friction, the heat conductivity coefficient of the obtained copper ammonia fiber non-woven fabric with high heat conductivity is reduced by 2.2%, and the good heat conductivity and durability are shown. In addition, because the aluminum nitride coating is tightly combined on the surface of the copper ammonia fiber non-woven fabric, the wear resistance of the copper ammonia fiber non-woven fabric can be effectively improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and changes can be made without departing from the inventive concept of the present invention, and these modifications and changes are within the protection scope of the present invention.
Claims (10)
1. A textile with high thermal conductivity is characterized by comprising a textile body and aluminum nitride particles, wherein the aluminum nitride particles are attached to the surface of the textile body through a coupling agent.
2. A textile of high thermal conductivity according to claim 1, characterised in that the textile body is one or more of a fibre, yarn, fabric and non-woven.
3. The textile with high thermal conductivity according to claim 1, wherein the raw material of the textile body is one or more of cotton, wool, hemp, silk, rayon and synthetic fiber.
4. A textile product with high thermal conductivity according to claim 1, wherein the particle size of the aluminum nitride particles is between 0.1 and 10 um.
5. A textile of high thermal conductivity according to claim 1, characterized in that the coupling agent is one of a silane coupling agent or a titanate coupling agent or a zirconate coupling agent.
6. A method for preparing a textile with high thermal conductivity is characterized by comprising the following steps:
(1) dispersing aluminum nitride powder and a coupling agent in a solvent, and uniformly mixing to obtain a dispersion liquid;
(2) placing the textile body into the dispersion liquid obtained in the step (1), dropwise adding an acid liquid to adjust the pH value of the dispersion liquid to 4-5, and performing ultrasonic treatment and/or stirring and/or oscillation to enable aluminum nitride powder to be attached to the surface of the textile body;
(3) and (3) cleaning the textile obtained in the step (2), and drying to obtain the textile with high thermal conductivity.
7. The method for preparing a textile with high thermal conductivity according to claim 6, wherein in the step (1), the aluminum nitride powder, the coupling agent and the solvent are used in an amount of 5 to 10 parts by weight, 1 to 3 parts by weight and 10 to 30 parts by weight, respectively.
8. The method for preparing a textile with high thermal conductivity according to claim 6, wherein in the step (2), the mass ratio of the dispersion liquid obtained in the step (1) to the textile body is 3-20: 1.
9. The method for preparing a textile with high thermal conductivity according to claim 6, wherein the coupling agent is one of a silane coupling agent or a titanate coupling agent or a zirconate coupling agent; the solvent is one or more of water or alcohols.
10. The method for preparing a textile with high thermal conductivity according to claim 6, wherein in the step (2), the reaction time is 1-3 h; the acid solution is 5-25wt% acetic acid solution or citric acid solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011456764.3A CN112663328A (en) | 2020-12-10 | 2020-12-10 | Textile with high thermal conductivity and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011456764.3A CN112663328A (en) | 2020-12-10 | 2020-12-10 | Textile with high thermal conductivity and preparation method thereof |
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| CN112663328A true CN112663328A (en) | 2021-04-16 |
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| CN202011456764.3A Pending CN112663328A (en) | 2020-12-10 | 2020-12-10 | Textile with high thermal conductivity and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408898A (en) * | 2013-07-12 | 2013-11-27 | 中国科学院理化技术研究所 | High-thermal-conductivity electrical insulating material for superconducting magnet and preparation method of high-thermal-conductivity electrical insulating material |
| CN109338501A (en) * | 2018-10-23 | 2019-02-15 | 安徽豹子头服饰有限公司 | A kind of easy dyeing cool fiber and preparation method thereof |
| CN111719319A (en) * | 2020-05-22 | 2020-09-29 | 东风汽车集团有限公司 | High-thermal-conductivity superfine fiber polyurethane synthetic leather and preparation method and application thereof |
-
2020
- 2020-12-10 CN CN202011456764.3A patent/CN112663328A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408898A (en) * | 2013-07-12 | 2013-11-27 | 中国科学院理化技术研究所 | High-thermal-conductivity electrical insulating material for superconducting magnet and preparation method of high-thermal-conductivity electrical insulating material |
| CN109338501A (en) * | 2018-10-23 | 2019-02-15 | 安徽豹子头服饰有限公司 | A kind of easy dyeing cool fiber and preparation method thereof |
| CN111719319A (en) * | 2020-05-22 | 2020-09-29 | 东风汽车集团有限公司 | High-thermal-conductivity superfine fiber polyurethane synthetic leather and preparation method and application thereof |
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