CN109112824A - A kind of high-strength complex condensating fiber - Google Patents

A kind of high-strength complex condensating fiber Download PDF

Info

Publication number
CN109112824A
CN109112824A CN201710490318.6A CN201710490318A CN109112824A CN 109112824 A CN109112824 A CN 109112824A CN 201710490318 A CN201710490318 A CN 201710490318A CN 109112824 A CN109112824 A CN 109112824A
Authority
CN
China
Prior art keywords
parts
fiber
strength complex
complex condensating
condensating fiber
Prior art date
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.)
Pending
Application number
CN201710490318.6A
Other languages
Chinese (zh)
Inventor
孙焕青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Wanxing Industry Ltd By Share Ltd
Original Assignee
Hubei Wanxing Industry Ltd By Share Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hubei Wanxing Industry Ltd By Share Ltd filed Critical Hubei Wanxing Industry Ltd By Share Ltd
Priority to CN201710490318.6A priority Critical patent/CN109112824A/en
Publication of CN109112824A publication Critical patent/CN109112824A/en
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D06M15/05—Cellulose or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/285—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
    • D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/53—Polyethers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—Polyesters

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Fibers (AREA)

Abstract

The invention discloses a kind of high-strength complex condensating fibers, are formulated as follows: 40-60 parts of polycaprolactone fiber, 13-15 parts of silicon carbide fibre, 3-7 parts of copper ammonia fiber, 3-6 parts of modified organic silicone resin, 50-80 parts of solvent, 2-4 parts of thickener, 1-3 parts of bleeding agent, 2-5 parts of promotor.High strength fibre of the invention has the features such as intensity is high, and corrosion resistance is strong, flexibility is good.

Description

A kind of high-strength complex condensating fiber
Technical field
The invention belongs to fibrous filtration technology fields, and in particular to a kind of high-strength complex condensating fiber.
Background technique
Ceramic fibre is a kind of fibrous light refractory material, has that light-weight, high temperature resistant, thermal stability be good, thermal conductivity The advantages that low, specific heat is small and mechanical resistant shakes, thus the industries such as machinery, metallurgy, chemical industry, petroleum, ceramics, glass, electronics all It is widely used.
Spinning is the procedure for manufacturing chemical fibre, and colloidal solution is made in certain high-molecular compounds or is fused into molten The process for forming chemical fibre is extruded after body by spinning head pore, mainly includes solution-polymerized SBR and melt spinning two major classes.Wherein, Melt spinning is a kind of using mature spinning process.Melt spinning method is divided into polymerization, co-blended spinning method, core-skin composite spinning again Silk method.
With the rapid development of all trades and professions, the requirement to industrial fibre is higher and higher, especially requires it to have good Intensity and corrosion resistance.
Summary of the invention
The object of the present invention is to provide a kind of high-strength complex condensating fiber, high strength fibre of the invention has intensity high, resists The features such as corrosive nature is strong, flexibility is good.
A kind of high-strength complex condensating fiber, be formulated it is as follows: 40-60 parts of polycaprolactone fiber, 13-15 parts of silicon carbide fibre, 3-7 parts of copper ammonia fiber, 3-6 parts of modified organic silicone resin, 50-80 parts of solvent, 2-4 parts of thickener, 1-3 parts of bleeding agent, promotor 2-5 parts.
The solvent uses one of ethyl alcohol, propyl alcohol, isopropanol, polyethylene glycol, dimethyl acetamide.
The thickener uses one of polyacrylamide, polyvinyl alcohol, Polyacrylate Emulsion.
The bleeding agent is using in fatty alcohol polyoxyethylene ether, alkyl phenol polyoxyethylene ether, succinic acid alkyl ester sulfonate sodium One kind.
The promotor is using in tetramethyl thiourea, vanadium acetylacetonate, acetylacetone,2,4-pentanedione, triphenylphosphine, benzyl dimethylamine It is a kind of.
The preparation method of the high-strength complex condensating fiber, its step are as follows:
Step 1, silicon carbide fibre and copper ammonia fiber are subjected to pulverization processing, obtain nanofiber；
Step 2, nanofiber is put into autoclave, solvent is added, be uniformly mixed；
Step 3, modified organic silicone resin, thickener and promotor, sealing pressing is added to be stirred to react；
Step 4, bleeding agent and polycaprolactone fiber are put into reaction kettle, then closed aeration reaction, dries, and obtains height Intensity forerunner's fiber；
Step 5, high-intensitive forerunner's fiber is placed in autoclave, under critical condition, heating pressure oxidation reaction is obtained High-strength complex condensating fiber.
Fragmentation processing in the step 1 uses mechanical crushing method.
The mixing speed that stirred under pressure reacts in the step 3 is 1000-2000r/min, and the moulding pressure is 2- 5kPa, the reaction time are 20-40min.
Closed aeration reaction time in the step 4 is 35-85min, and aerating gas is methyl ether and nitrogen mixed gas, The methyl ether and nitrogen proportion are 0.5-2.8.
Critical gas in the step 5 use oxygen content for 40% air, oxygen content be 60% nitrogen it is mixed Gas, oxygen content are closed as 60% one of indifferent gas gaseous mixture, the pressure reaches 5-30MPa, and constant pressure is saturated 0.5-4h, Temperature is 140-250 DEG C.
Compared with prior art, the invention has the following advantages:
1, high strength fibre of the invention has the features such as intensity is high, and corrosion resistance is strong, flexibility is good.
2, method and process of the invention is simple, and raw material is easy to get, and is suitble to industrialized production.It can be widely used for mechanical, metallurgy, change The industries such as work, petroleum, ceramics, glass, electronics.
3, silicon carbide fibre and copper ammonia fiber are fixed on polycaprolactone fiber using critical oxidizing process by the present invention, are had good Good connection effect, silicon key connection is relatively robust, and the service life is long, embodies good mechanical property, thermal stability and remains copper The excellent properties of ammonia fiber.
Specific embodiment
The present invention is described further below with reference to embodiment:
Embodiment 1
A kind of high-strength complex condensating fiber is formulated as follows: 40 parts of polycaprolactone fiber, 13 parts of silicon carbide fibre, cuprammonium are fine Tie up 3 parts, 3 parts of modified organic silicone resin, 50 parts of solvent, 2 parts of thickener, 1 part of bleeding agent, 2 parts of promotor.
The solvent uses ethyl alcohol.
The thickener uses polyacrylamide.
The bleeding agent uses fatty alcohol polyoxyethylene ether.
The promotor uses tetramethyl thiourea.
The preparation method of the high-strength complex condensating fiber, its step are as follows:
Step 1, silicon carbide fibre and copper ammonia fiber are subjected to pulverization processing, obtain nanofiber；
Step 2, nanofiber is put into autoclave, solvent is added, be uniformly mixed；
Step 3, modified organic silicone resin, thickener and promotor, sealing pressing is added to be stirred to react；
Step 4, bleeding agent and polycaprolactone fiber are put into reaction kettle, then closed aeration reaction, dries, and obtains height Intensity forerunner's fiber；
Step 5, high-intensitive forerunner's fiber is placed in autoclave, under critical condition, heating pressure oxidation reaction is obtained High-strength complex condensating fiber.
Fragmentation processing in the step 1 uses mechanical crushing method.
The mixing speed that stirred under pressure reacts in the step 3 is 1000r/min, and the moulding pressure is 2kPa, described Reaction time is 20min.
The closed aeration reaction time in the step 4 is 35min, and aerating gas is methyl ether and nitrogen mixed gas, institute Stating methyl ether and nitrogen proportion is 0.5.
Critical gas in the step 5 uses oxygen content for 40% air, and the pressure reaches 5MPa, and constant pressure is full And 0.5h, temperature are 140 DEG C.
Embodiment 2
A kind of high-strength complex condensating fiber is formulated as follows: 60 parts of polycaprolactone fiber, 15 parts of silicon carbide fibre, cuprammonium are fine Tie up 7 parts, 6 parts of modified organic silicone resin, 80 parts of solvent, 4 parts of thickener, 3 parts of bleeding agent, 5 parts of promotor.
The solvent uses polyethylene glycol.
The thickener uses polyvinyl alcohol.
The bleeding agent is using in fatty alcohol polyoxyethylene ether, alkyl phenol polyoxyethylene ether, succinic acid alkyl ester sulfonate sodium One kind.
The promotor uses vanadium acetylacetonate.
The preparation method of the high-strength complex condensating fiber, its step are as follows:
Step 1, silicon carbide fibre and copper ammonia fiber are subjected to pulverization processing, obtain nanofiber；
Step 2, nanofiber is put into autoclave, solvent is added, be uniformly mixed；
Step 3, modified organic silicone resin, thickener and promotor, sealing pressing is added to be stirred to react；
Step 4, bleeding agent and polycaprolactone fiber are put into reaction kettle, then closed aeration reaction, dries, and obtains height Intensity forerunner's fiber；
Step 5, high-intensitive forerunner's fiber is placed in autoclave, under critical condition, heating pressure oxidation reaction is obtained High-strength complex condensating fiber.
Fragmentation processing in the step 1 uses mechanical crushing method.
The mixing speed that stirred under pressure reacts in the step 3 is 2000r/min, and the moulding pressure is 5kPa, described Reaction time is 40min.
The closed aeration reaction time in the step 4 is 85min, and aerating gas is methyl ether and nitrogen mixed gas, institute Stating methyl ether and nitrogen proportion is 2.8.
Critical gas in the step 5 uses oxygen content for 60% nitrogen mixture, and the pressure reaches 30MPa, constant pressure are saturated 4h, and temperature is 250 DEG C.
Embodiment 3
A kind of high-strength complex condensating fiber is formulated as follows: 50 parts of polycaprolactone fiber, 14 parts of silicon carbide fibre, cuprammonium are fine Tie up 6 parts, 5 parts of modified organic silicone resin, 70 parts of solvent, 3 parts of thickener, 2 parts of bleeding agent, 4 parts of promotor.
The solvent uses dimethyl acetamide.
The thickener uses Polyacrylate Emulsion.
The bleeding agent uses succinic acid alkyl ester sulfonate sodium.
The promotor uses benzyl dimethylamine.
The preparation method of the high-strength complex condensating fiber, its step are as follows:
Step 1, silicon carbide fibre and copper ammonia fiber are subjected to pulverization processing, obtain nanofiber；
Step 2, nanofiber is put into autoclave, solvent is added, be uniformly mixed；
Step 3, modified organic silicone resin, thickener and promotor, sealing pressing is added to be stirred to react；
Step 4, bleeding agent and polycaprolactone fiber are put into reaction kettle, then closed aeration reaction, dries, and obtains height Intensity forerunner's fiber；
Step 5, high-intensitive forerunner's fiber is placed in autoclave, under critical condition, heating pressure oxidation reaction is obtained High-strength complex condensating fiber.
Fragmentation processing in the step 1 uses mechanical crushing method.
The mixing speed that stirred under pressure reacts in the step 3 is 1700r/min, and the moulding pressure is 4kPa, described Reaction time is 30min.
The closed aeration reaction time in the step 4 is 65min, and aerating gas is methyl ether and nitrogen mixed gas, institute Stating methyl ether and nitrogen proportion is 2.1.
Critical gas in the step 5 uses oxygen content for 60% indifferent gas gaseous mixture, and the pressure reaches 24MPa, constant pressure are saturated 3.3h, and temperature is 220 DEG C.
The embodiment catalytic effect of embodiment 1-3 is as follows:
Embodiment 1 Embodiment 2 Embodiment 3
Tensile strength (MPa) 6.1GPa 6.5GPa 6.7GPa
Elongation at break 24.3% 25.2% 24.9%
Fibre diameter 10μm 7μm 5μm
The foregoing is merely one embodiment of the invention, are not intended to limit the present invention, all to use equivalent substitution or equivalent transformation Mode technical solution obtained, fall within the scope of protection of the present invention.

Claims (10)

1. a kind of high-strength complex condensating fiber, which is characterized in that its formula is as follows: 40-60 parts of polycaprolactone fiber, silicon carbide fibre 13-15 parts, 3-7 parts of copper ammonia fiber, 3-6 parts of modified organic silicone resin, 50-80 parts of solvent, 2-4 parts of thickener, bleeding agent 1-3 Part, 2-5 parts of promotor.
2. a kind of high-strength complex condensating fiber according to claim 1, which is characterized in that the solvent uses ethyl alcohol, third One of alcohol, isopropanol, polyethylene glycol, dimethyl acetamide.
3. a kind of high-strength complex condensating fiber according to claim 1, which is characterized in that the thickener uses polypropylene One of amide, polyvinyl alcohol, Polyacrylate Emulsion.
4. a kind of high-strength complex condensating fiber according to claim 1, which is characterized in that the bleeding agent uses fatty alcohol One of polyoxyethylene ether, alkyl phenol polyoxyethylene ether, succinic acid alkyl ester sulfonate sodium.
5. a kind of high-strength complex condensating fiber according to claim 1, which is characterized in that the promotor uses tetramethyl One of thiocarbamide, vanadium acetylacetonate, acetylacetone,2,4-pentanedione, triphenylphosphine, benzyl dimethylamine.
6. a kind of high-strength complex condensating fiber according to claim 1, which is characterized in that the high-strength complex condensating fiber Preparation method, its step are as follows:
Step 1, silicon carbide fibre and copper ammonia fiber are subjected to pulverization processing, obtain nanofiber；
Step 2, nanofiber is put into autoclave, solvent is added, be uniformly mixed；
Step 3, modified organic silicone resin, thickener and promotor, sealing pressing is added to be stirred to react；
Step 4, bleeding agent and polycaprolactone fiber are put into reaction kettle, then closed aeration reaction, dries, and obtains high intensity Forerunner's fiber；
Step 5, high-intensitive forerunner's fiber is placed in autoclave, under critical condition, heating pressure oxidation reaction is obtained high-strength Spend composite fibre.
7. a kind of high-strength complex condensating fiber according to claim 6, which is characterized in that at the fragmentation in the step 1 Reason uses mechanical crushing method.
8. a kind of high-strength complex condensating fiber according to claim 6, which is characterized in that stirred under pressure in the step 3 The mixing speed of reaction is 1000-2000r/min, and the moulding pressure is 2-5kPa, and the reaction time is 20-40min.
9. a kind of high-strength complex condensating fiber according to claim 6, which is characterized in that the closed exposure in the step 4 The solid/liquid/gas reactions time is 35-85min, and aerating gas is methyl ether and nitrogen mixed gas, and the methyl ether and nitrogen proportion are 0.5- 2.8。
10. a kind of high-strength complex condensating fiber according to claim 6, which is characterized in that the critical gas in the step 5 Body use oxygen content for 40% air, oxygen content be 60% nitrogen mixture, oxygen content be 60% indifferent gas One of gaseous mixture, the pressure reach 5-30MPa, and constant pressure is saturated 0.5-4h, and temperature is 140-250 DEG C.
CN201710490318.6A 2017-06-25 2017-06-25 A kind of high-strength complex condensating fiber Pending CN109112824A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710490318.6A CN109112824A (en) 2017-06-25 2017-06-25 A kind of high-strength complex condensating fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710490318.6A CN109112824A (en) 2017-06-25 2017-06-25 A kind of high-strength complex condensating fiber

Publications (1)

Publication Number Publication Date
CN109112824A true CN109112824A (en) 2019-01-01

Family

ID=64733686

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710490318.6A Pending CN109112824A (en) 2017-06-25 2017-06-25 A kind of high-strength complex condensating fiber

Country Status (1)

Country Link
CN (1) CN109112824A (en)

Similar Documents

Publication Publication Date Title
CN104963022B (en) The preparation method and product of a kind of high strength and modulus polyvinyl alcohol graphene quantum dot composite fibre
CN106832757B (en) A kind of composite material and preparation method of graphene phenol-formaldehyde resin modified, application
CN101323445A (en) Method for preparing porous carbon material based on alkali lignose
CN108192092B (en) A kind of graphene oxide, tourmaline powder, polyamide 6 composite material and preparation method thereof
CN109627453B (en) Flame retardant for polylactic acid, flame-retardant polylactic acid material and preparation method thereof
US11592069B2 (en) Yaw brake pad and method of producing the same
CN107698754B (en) Preparation method of graphene oxide modified polyamide-6
CN106222790A (en) A kind of high-strength complex condensating fiber
CN111850816A (en) High-strength zirconia fiber felt prepared by impregnation method
CN109112824A (en) A kind of high-strength complex condensating fiber
CN107780215A (en) A kind of multifunctional composite fiber
CN106189214A (en) A kind of preparation method of high intensity MC nylon modified fibre composite base material
CN106811823B (en) Modified phenolic resin fiber and preparation method and application thereof
JP2021175843A (en) Method for producing carbon material
CN108823674B (en) Polyurethane/carbon black fiber with carbon forming and conductivity and preparation method thereof
CN105646937B (en) A kind of vulcanizing agent containing tellurium and preparation method and application
US11268215B2 (en) Method of producing carbon fiber
CN114507356A (en) Phenolphthalein-based polyaryletherketone-carbon nanotube graft and preparation method thereof, and polyetheretherketone heat-conducting composite material and preparation method thereof
KR102043621B1 (en) Carbon fiber using enhanced spinnability lignin and preparation method thereof
CN113737302A (en) Method for modifying nylon 6 fibers by using graphene oxide
CN113737310A (en) Graphene polyimide composite fiber and preparation method thereof
CN110903491A (en) Flame retardant, modified polylactic acid and preparation method thereof
CN106811824B (en) Modified phenolic resin fiber and preparation method and application thereof
CN112111231A (en) High-temperature-resistant low-cost ceramic carbon fiber composite material and preparation method thereof
CN110952163A (en) Polylactic acid fiber spinning process

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190101