CN106222790A - A kind of high-strength complex condensating fiber - Google Patents

A kind of high-strength complex condensating fiber Download PDF

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Publication number
CN106222790A
CN106222790A CN201610765000.XA CN201610765000A CN106222790A CN 106222790 A CN106222790 A CN 106222790A CN 201610765000 A CN201610765000 A CN 201610765000A CN 106222790 A CN106222790 A CN 106222790A
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China
Prior art keywords
fiber
strength complex
condensating fiber
complex condensating
strength
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CN201610765000.XA
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CN106222790B (en
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甘婷
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ANHUI XINDE CHEMICAL FIBER Co.,Ltd.
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甘婷
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
    • 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
    • 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
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
    • D01F11/08—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

Abstract

The invention discloses a kind of high-strength complex condensating fiber, its formula is as follows: polycaprolactone fiber 40 60 parts, silicon carbide fibre 13 15 parts, CUP 37 parts, modified organic silicone resin 36 parts, solvent 50 80 parts, thickening agent 24 parts, penetrating agent 13 parts, accelerator 25 parts.It is high that the high strength fibre of the present invention has intensity, the features such as corrosion resistance is strong, pliability is good.

Description

A kind of high-strength complex condensating fiber
Technical field
The invention belongs to fibrous filtration technology field, be specifically related to a kind of high-strength complex condensating fiber.
Background technology
Ceramic fibre is a kind of fibrous light refractory material, has lightweight, high temperature resistant, Heat stability is good, thermal conductivity Low, specific heat is little and the advantage such as mechanical resistant vibrations, thus in the industry such as machinery, metallurgy, chemical industry, oil, pottery, glass, electronics all It is widely used.
Spinning is the one procedure manufacturing chemical fibre, some macromolecular compound is made colloid solution or is fused into molten Extruded the process forming chemical fibre after body by spinning head pore, mainly include solvent spinning and the big class of melt spinning two.Wherein, Melt spinning is a kind of spinning process using maturation.Melt spinning method is divided into again polymerization, co-blended spinning method, core-skin composite spinning Silk method.
Along with developing rapidly of all trades and professions, the requirement to industrial fibre is more and more higher, especially requires that it has well Intensity and corrosion resistance.
Summary of the invention
It is an object of the invention to provide a kind of high-strength complex condensating fiber, it is high that the high strength fibre of the present invention has intensity, anti- The features such as corrosive nature is strong, pliability is good.
A kind of high-strength complex condensating fiber, its formula is as follows: polycaprolactone fiber 40-60 part, silicon carbide fibre 13-15 part, CUP 3-7 part, modified organic silicone resin 3-6 part, solvent 50-80 part, thickening agent 2-4 part, penetrating agent 1-3 part, accelerator 2-5 part.
Described solvent uses the one in ethanol, propanol, isopropanol, Polyethylene Glycol, dimethyl acetylamide.
Described thickening agent uses the one in polyacrylamide, polyvinyl alcohol, Polyacrylate Emulsion.
Described penetrating agent uses in fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, succinic acid alkyl ester sulfonate sodium One.
Described accelerator uses in tetramethyl thiourea, vanadium acetylacetonate, acetylacetone,2,4-pentanedione, triphenylphosphine, benzyl dimethylamine A kind of.
The preparation method of described high-strength complex condensating fiber, its step is as follows:
Step 1, carries out pulverization process by silicon carbide fibre and CUP, obtains nanofiber；
Step 2, puts into nanofiber in autoclave, adds solvent, mix homogeneously；
Step 3, adds modified organic silicone resin, thickening agent and accelerator, sealing pressing stirring reaction；
Step 4, puts in reactor by penetrating agent and polycaprolactone fiber, and the most airtight aerated reaction dries, obtains high intensity Forerunner's fiber；
Step 5, places high intensity forerunner's fiber in autoclave, under critical condition, and heating pressure oxidation reaction, obtain high-strength Degree composite fibre.
Fragmentation in described step 1 processes and uses mechanical crushing method.
In described step 3, the mixing speed of stirred under pressure reaction is 1000-2000r/min, and described moulding pressure is 2- 5kPa, the described response time is 20-40min.
The airtight aerated reaction time in described step 4 is 35-85min, and aerating gas is methyl ether and nitrogen mixed gas, Described methyl ether and nitrogen proportioning are 0.5-2.8.
The air that critical gas employing oxygen content is 40% in described step 5, oxygen content are the nitrogen mixing of 60% Gas, oxygen content are the one in the indifferent gas gaseous mixture of 60%, and described pressure reaches 5-30 MPa, the saturated 0.5-4h of constant voltage, temperature Degree is for 140-250 DEG C.
Compared with prior art, the method have the advantages that
1, the high strength fibre of the present invention has intensity height, the features such as corrosion resistance is strong, pliability is good.
2, the method technique of the present invention is simple, and raw material is easy to get, and is suitable for industrialized production.Can be widely used for machinery, metallurgy, change The industries such as work, oil, pottery, glass, electronics.
3, the present invention uses critical oxidizing process that silicon carbide fibre and CUP are fixed on polycaprolactone fiber, has good Good connection effect, silicon is bonded relatively robust, and the life-span is long, embodies good mechanical property, heat stability and remains copper The excellent properties of ammonia fiber.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further:
Embodiment 1
A kind of high-strength complex condensating fiber, its formula is as follows: polycaprolactone fiber 40 parts, silicon carbide fibre 13 parts, CUP 3 Part, modified organic silicone resin 3 parts, solvent 50 parts, thickening agent 2 parts, penetrating agent 1 part, accelerator 2 parts.
Described solvent uses ethanol.
Described thickening agent uses polyacrylamide.
Described penetrating agent uses fatty alcohol-polyoxyethylene ether.
Described accelerator uses tetramethyl thiourea.
The preparation method of described high-strength complex condensating fiber, its step is as follows:
Step 1, carries out pulverization process by silicon carbide fibre and CUP, obtains nanofiber；
Step 2, puts into nanofiber in autoclave, adds solvent, mix homogeneously；
Step 3, adds modified organic silicone resin, thickening agent and accelerator, sealing pressing stirring reaction；
Step 4, puts in reactor by penetrating agent and polycaprolactone fiber, and the most airtight aerated reaction dries, obtains high intensity Forerunner's fiber；
Step 5, places high intensity forerunner's fiber in autoclave, under critical condition, and heating pressure oxidation reaction, obtain high-strength Degree composite fibre.
Fragmentation in described step 1 processes and uses mechanical crushing method.
In described step 3, the mixing speed of stirred under pressure reaction is 1000r/min, and described moulding pressure is 2kPa, described Response time is 20min.
The airtight aerated reaction time in described step 4 is 35min, and aerating gas is methyl ether and nitrogen mixed gas, institute Stating methyl ether with nitrogen proportioning is 0.5.
Critical gas in described step 5 uses oxygen content to be the air of 40%, and described pressure reaches 5MPa, and constant voltage is satisfied And 0.5h, temperature is 140 DEG C.
Embodiment 2
A kind of high-strength complex condensating fiber, its formula is as follows: polycaprolactone fiber 60 parts, silicon carbide fibre 15 parts, CUP 7 Part, modified organic silicone resin 6 parts, solvent 80 parts, thickening agent 4 parts, penetrating agent 3 parts, accelerator 5 parts.
Described solvent uses Polyethylene Glycol.
Described thickening agent uses polyvinyl alcohol.
Described penetrating agent uses in fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, succinic acid alkyl ester sulfonate sodium One.
Described accelerator uses vanadium acetylacetonate.
The preparation method of described high-strength complex condensating fiber, its step is as follows:
Step 1, carries out pulverization process by silicon carbide fibre and CUP, obtains nanofiber；
Step 2, puts into nanofiber in autoclave, adds solvent, mix homogeneously；
Step 3, adds modified organic silicone resin, thickening agent and accelerator, sealing pressing stirring reaction；
Step 4, puts in reactor by penetrating agent and polycaprolactone fiber, and the most airtight aerated reaction dries, obtains high intensity Forerunner's fiber；
Step 5, places high intensity forerunner's fiber in autoclave, under critical condition, and heating pressure oxidation reaction, obtain high-strength Degree composite fibre.
Fragmentation in described step 1 processes and uses mechanical crushing method.
In described step 3, the mixing speed of stirred under pressure reaction is 2000r/min, and described moulding pressure is 5kPa, described Response time is 40min.
The airtight aerated reaction time in described step 4 is 85min, and aerating gas is methyl ether and nitrogen mixed gas, institute Stating methyl ether with nitrogen proportioning is 2.8.
Critical gas in described step 5 uses oxygen content to be the nitrogen mixture of 60%, and described pressure reaches 30 MPa, the saturated 4h of constant voltage, temperature is 250 DEG C.
Embodiment 3
A kind of high-strength complex condensating fiber, its formula is as follows: polycaprolactone fiber 50 parts, silicon carbide fibre 14 parts, CUP 6 Part, modified organic silicone resin 5 parts, solvent 70 parts, thickening agent 3 parts, penetrating agent 2 parts, accelerator 4 parts.
Described solvent uses dimethyl acetylamide.
Described thickening agent uses Polyacrylate Emulsion.
Described penetrating agent uses succinic acid alkyl ester sulfonate sodium.
Described accelerator uses benzyl dimethylamine.
The preparation method of described high-strength complex condensating fiber, its step is as follows:
Step 1, carries out pulverization process by silicon carbide fibre and CUP, obtains nanofiber；
Step 2, puts into nanofiber in autoclave, adds solvent, mix homogeneously；
Step 3, adds modified organic silicone resin, thickening agent and accelerator, sealing pressing stirring reaction；
Step 4, puts in reactor by penetrating agent and polycaprolactone fiber, and the most airtight aerated reaction dries, obtains high intensity Forerunner's fiber；
Step 5, places high intensity forerunner's fiber in autoclave, under critical condition, and heating pressure oxidation reaction, obtain high-strength Degree composite fibre.
Fragmentation in described step 1 processes and uses mechanical crushing method.
In described step 3, the mixing speed of stirred under pressure reaction is 1700r/min, and described moulding pressure is 4kPa, described Response time is 30min.
The airtight aerated reaction time in described step 4 is 65min, and aerating gas is methyl ether and nitrogen mixed gas, institute Stating methyl ether with nitrogen proportioning is 2.1.
The indifferent gas gaseous mixture that critical gas in described step 5 uses oxygen content to be 60%, described pressure reaches 24 MPa, the saturated 3.3h of constant voltage, temperature is 220 DEG C.
The embodiment catalytic effect of embodiment 1-3 is as follows:
The foregoing is only one embodiment of the invention, be not limiting as the present invention, all employing equivalents or the side of equivalent transformation The technical scheme that formula is obtained, all falls within protection scope of the present invention.

Claims (10)

1. a high-strength complex condensating fiber, it is characterised in that its formula is as follows: polycaprolactone fiber 40-60 part, silicon carbide fibre 13-15 part, CUP 3-7 part, modified organic silicone resin 3-6 part, solvent 50-80 part, thickening agent 2-4 part, penetrating agent 1-3 Part, accelerator 2-5 part.
2. according to a kind of high-strength complex condensating fiber described in claims 1, it is characterised in that described solvent use ethanol, third One in alcohol, isopropanol, Polyethylene Glycol, dimethyl acetylamide.
3. according to a kind of high-strength complex condensating fiber described in claims 1, it is characterised in that described thickening agent uses polypropylene One in amide, polyvinyl alcohol, Polyacrylate Emulsion.
4. according to a kind of high-strength complex condensating fiber described in claims 1, it is characterised in that described penetrating agent uses fatty alcohol One in polyoxyethylene ether, alkylphenol polyoxyethylene, succinic acid alkyl ester sulfonate sodium.
5. according to a kind of high-strength complex condensating fiber described in claims 1, it is characterised in that described accelerator uses tetramethyl One in thiourea, vanadium acetylacetonate, acetylacetone,2,4-pentanedione, triphenylphosphine, benzyl dimethylamine.
6. according to a kind of high-strength complex condensating fiber described in claims 1, it is characterised in that described high-strength complex condensating fiber Preparation method, its step is as follows:
Step 1, carries out pulverization process by silicon carbide fibre and CUP, obtains nanofiber；
Step 2, puts into nanofiber in autoclave, adds solvent, mix homogeneously；
Step 3, adds modified organic silicone resin, thickening agent and accelerator, sealing pressing stirring reaction；
Step 4, puts in reactor by penetrating agent and polycaprolactone fiber, and the most airtight aerated reaction dries, obtains high intensity Forerunner's fiber；
Step 5, places high intensity forerunner's fiber in autoclave, under critical condition, and heating pressure oxidation reaction, obtain high-strength Degree composite fibre.
7. according to a kind of high-strength complex condensating fiber described in claims 6, it is characterised in that at the fragmentation in described step 1 Reason uses mechanical crushing method.
8. according to a kind of high-strength complex condensating fiber described in claims 6, it is characterised in that stirred under pressure in described step 3 The mixing speed of reaction is 1000-2000r/min, and described moulding pressure is 2-5kPa, and the described response time is 20-40min.
9. according to a kind of high-strength complex condensating fiber described in claims 6, it is characterised in that the airtight exposure in described step 4 The solid/liquid/gas reactions time is 35-85min, and aerating gas is methyl ether and nitrogen mixed gas, and described methyl ether and nitrogen proportioning are 0.5- 2.8。
10. according to a kind of high-strength complex condensating fiber described in claims 6, it is characterised in that the critical gas in described step 5 Body use oxygen content be 40% air, oxygen content be 60% nitrogen mixture, oxygen content be 60% indifferent gas mixing One in gas, described pressure reaches 5-30 MPa, the saturated 0.5-4h of constant voltage, and temperature is 140-250 DEG C.
CN201610765000.XA 2016-08-31 2016-08-31 High-strength composite fiber Active CN106222790B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107780215A (en) * 2017-11-19 2018-03-09 江苏宏泰纤维科技有限公司 A kind of multifunctional composite fiber
CN109487371A (en) * 2018-12-19 2019-03-19 长春安旨科技有限公司 A kind of high-strength and high ductility fiber and preparation method thereof

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CN103351543A (en) * 2013-06-28 2013-10-16 青岛国强环保科技有限公司 Green energy-saving sound-insulation architectural decoration material
CN104371274A (en) * 2014-11-18 2015-02-25 中国科学院深圳先进技术研究院 Modified alumina composite material, copper-coated substrate and preparation method of copper-coated substrate
CN104672782A (en) * 2014-12-31 2015-06-03 国家电网公司 Fiber-reinforced resin-based composite material core and preparation method thereof
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Publication number Priority date Publication date Assignee Title
CN103351543A (en) * 2013-06-28 2013-10-16 青岛国强环保科技有限公司 Green energy-saving sound-insulation architectural decoration material
CN104371274A (en) * 2014-11-18 2015-02-25 中国科学院深圳先进技术研究院 Modified alumina composite material, copper-coated substrate and preparation method of copper-coated substrate
CN104672782A (en) * 2014-12-31 2015-06-03 国家电网公司 Fiber-reinforced resin-based composite material core and preparation method thereof
CN105126445A (en) * 2015-07-30 2015-12-09 安徽凤凰滤清器股份有限公司 Corrosion-resistant oil smoke-polluted air filtering material and preparation method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107780215A (en) * 2017-11-19 2018-03-09 江苏宏泰纤维科技有限公司 A kind of multifunctional composite fiber
CN109487371A (en) * 2018-12-19 2019-03-19 长春安旨科技有限公司 A kind of high-strength and high ductility fiber and preparation method thereof

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