CN106566042A - Corrosion-resistant carbon fiber resin-based composite material used for pump - Google Patents

Corrosion-resistant carbon fiber resin-based composite material used for pump Download PDF

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Publication number
CN106566042A
CN106566042A CN201610904943.6A CN201610904943A CN106566042A CN 106566042 A CN106566042 A CN 106566042A CN 201610904943 A CN201610904943 A CN 201610904943A CN 106566042 A CN106566042 A CN 106566042A
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parts
resin
carbon fiber
mixed
matrix composite
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CN201610904943.6A
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Inventor
赵梓成
张玉金
赵重宇
赵健宇
陈杨博
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Chuzhou Dagong Electromechanical Co Ltd
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Chuzhou Dagong Electromechanical Co Ltd
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Priority to CN201610904943.6A priority Critical patent/CN106566042A/en
Publication of CN106566042A publication Critical patent/CN106566042A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C08L63/04Epoxynovolacs
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/068Ultra high molecular weight polyethylene

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a corrosion-resistant carbon fiber resin-based composite material used for a pump. The corrosion-resistant carbon fiber resin-based composite material comprises, by weight, 12-30 parts of ultra-high molecular weight polyethylene resin, 10-20 parts of phenolic epoxy resin, 5-8 parts of fluorocarbon resin, 3-8 parts of carbon fibers, 0.5-1.5 parts of 1,6-hexanediol, 0.1-0.5 part of nano titania, 0.1-0.5 part of nano silica and 5-10 parts of auxiliaries. The provided corrosion-resistant carbon fiber resin-based composite material used for the pump is good in mechanical property, high in specific strength, large in specific modulus and good in fatigue resistance and impact resistance; a product prepared through the composite material is easy to process and form, good in product quality and long in service life; and the composite material is simple in preparation method, low in production cost and worthy of popularizing.

Description

A kind of noncorrosive pump carbon fiber resin matrix composite
Technical field
The present invention relates to technical field of polymer materials, more particularly to a kind of noncorrosive pump carbon fibre resin base composite wood Material.
Background technology
Polymer matrix composites are by the fibre reinforced materials based on organic polymer, with fabulous mechanical property Can, the fibre reinforcements such as glass fibre, carbon fiber, basalt fibre or aramid fiber are usually used.Polymer matrix composites are in boat It is widely used in sky, automobile, marine industry.Pump is a kind of device for moving liquid, gas or specialized fluids medium, It is the machinery to fluid work done.The mechanical energy of prime mover or other external energy transmission liquid increase liquid energy by it Plus.Pump is mainly used to convey the liquid such as water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid metal, can also convey liquid, gas mixing Thing and the liquid containing suspended solids.The working environment of pump valve is different, often for mal-condition under, therefore for material Require very high.The pump product that at present prepared by polymer matrix composites is a lot, and its mechanical property is good, and specific strength is high, and specific modulus is big, but It is that wearability, corrosion resistance and fatigue resistance be not good, with developing rapidly for industrial technology, in the premise for ensureing production cost Under, the requirement more and more higher to pump material property.Based on above statement, the present invention proposes a kind of noncorrosive pump carbon fiber Polymer matrix composites.
The content of the invention
The invention aims to shortcoming present in prior art is solved, and a kind of noncorrosive pump for proposing is fine with carbon Dimension polymer matrix composites.
A kind of noncorrosive pump carbon fiber resin matrix composite, including the raw material of following weight portion:Super high molecular weight is gathered 12~30 parts of vinyl, 10~20 parts of novolac epoxy resin, 5~8 parts of fluorocarbon resin, 3~8 parts of carbon fiber, 1,6 one hexylene glycols 0.5~1.5 part, 0.1~0.5 part of nano titanium oxide, 0.1~0.5 part of nano silicon, 5~10 parts of auxiliary agent.
Preferably, a kind of described noncorrosive pump carbon fiber resin matrix composite, including the raw material of following weight portion: 14.4~26.25 parts of polyvinyl resin with super-high molecular weight, 12~17.5 parts of novolac epoxy resin, 6~7 parts of fluorocarbon resin, carbon are fine Dimension 4~6 parts, 0.8~1.2 part of 1,6 one hexylene glycol, 0.2~0.4 part of nano titanium oxide, 0.2~0.4 part of nano silicon, 6~8 parts of auxiliary agent.
Preferably, a kind of described noncorrosive pump carbon fiber resin matrix composite, including the raw material of following weight portion: 20 parts of polyvinyl resin with super-high molecular weight, 15 parts of novolac epoxy resin, 6 parts of fluorocarbon resin, 5 parts of carbon fiber, 1,6 one hexylene glycols 1 Part, 0.3 part of nano titanium oxide, 0.3 part of nano silicon, 7 parts of auxiliary agent.
Preferably, the polyvinyl resin with super-high molecular weight, novolac epoxy resin, fluorocarbon resin weight ratio be 2.4~ 3.75:2~2.5:1.
Preferably, the auxiliary agent is coupling agent, lubricant, solubilizer, fire retardant, filler, the wherein weight hundred of each component Point ratio is:6~15% coupling agents, 10~20% lubricants, solubilizer 6~15%, fire retardant 6~15%, balance of filler.
Preferably, the bulking agent is maleic anhydride grafted polyethylene, and described filler is calcium carbonate, talcum powder or barium sulfate In one kind.
The invention allows for a kind of preparation method of noncorrosive pump carbon fiber resin matrix composite, including following step Suddenly:
S1, by the polyvinyl resin with super-high molecular weight of the proportion under conditions of 60~90 DEG C plus after heat fusing, be cooled to 30 ~50 DEG C of protections, add the novolac epoxy resin and fluorocarbon resin of the proportion, are mixed with the rotating speed of 180~380r/min 1~2h, obtains hybrid resin;
S2, the 1 of the proportion, 6 one hexylene glycol, nano titanium oxide, nano silicon and auxiliary agent are put into into high-speed mixer In mixed, after being well mixed mixed accessories;
S3, the hybrid resin obtained by mixed accessories and step S1 of gained in step S2 is added in double screw extruder, Mixed after 1~3h with the rotating speed of 400~800r/min, after being well mixed, from the charging aperture of double screw extruder institute is added The carbon fiber of proportion is stated, the extruded velocity for controlling compound is 15~30Kg/min, the addition speed of carbon fiber is 1.2~ 2.8Kg/min, makes batch mixing and the common extruding pelletization of carbon fiber, obtains final product noncorrosive pump carbon fiber resin matrix composite.
A kind of noncorrosive pump carbon fiber resin matrix composite proposed by the present invention, mechanical property is good, and specific strength is high, than Modulus is big, with good fatigue resistance, impact resistance, the product easy processing shaping prepared, good product quality, service life It is long, the invention allows for a kind of preparation method of noncorrosive pump carbon fiber resin matrix composite, excellent from self performance Based on good resin, first mix with other auxiliary materials, finally using carbon fiber-reinforced resin, answer so as to resin base is obtained Condensation material, preparation method proposed by the present invention is simple, and low production cost is worthy to be popularized.
Specific embodiment
The present invention is made with reference to specific embodiment further explain.
Embodiment one
A kind of noncorrosive pump carbon fiber resin matrix composite proposed by the present invention, including the raw material of following weight portion:Superelevation 18 parts of molecular weight polyethylene resin, 102 parts of novolac epoxy resin, 5 parts of fluorocarbon resin, 5 parts of carbon fiber, 1,6 one hexylene glycols 1.2 Part, 0.2 part of nano titanium oxide, 0.4 part of nano silicon, 6 parts of auxiliary agent.
Wherein, auxiliary agent is made up of the filler of 12% coupling agent, 18% lubricant, solubilizer 8%, fire retardant 12% and surplus, is increased Appearance agent is maleic anhydride grafted polyethylene, and filler is barium sulfate.
Its preparation method, comprises the following steps:
S1, by the polyvinyl resin with super-high molecular weight of the proportion under conditions of 70 DEG C plus after heat fusing, be cooled to 40 DEG C of guarantors Shield, adds the novolac epoxy resin and fluorocarbon resin of the proportion, and with the rotating speed of 200r/min 1.8h is mixed, and obtains compound tree Fat;
S2, the 1 of the proportion, 6 one hexylene glycol, nano titanium oxide, nano silicon and auxiliary agent are put into into high-speed mixer In mixed, after being well mixed mixed accessories;
S3, the hybrid resin obtained by mixed accessories and step S1 of gained in step S2 is added in double screw extruder, Mixed after 2.5h with the rotating speed of 500r/min, after being well mixed, from the charging aperture of double screw extruder the proportion is added Carbon fiber, the extruded velocity for controlling compound is 18Kg/min, and the addition speed of carbon fiber is 1.5Kg/min, make batch mixing with The common extruding pelletization of carbon fiber, obtains final product noncorrosive pump carbon fiber resin matrix composite.
Embodiment two
A kind of noncorrosive pump carbon fiber resin matrix composite proposed by the present invention, including the raw material of following weight portion:Superelevation 20 parts of molecular weight polyethylene resin, 15 parts of novolac epoxy resin, 6 parts of fluorocarbon resin, 6 parts of carbon fiber, 0.8 part of 1,6 one hexylene glycol, 0.1 part of nano titanium oxide, 0.3 part of nano silicon, 10 parts of auxiliary agent.
Wherein, auxiliary agent is made up of the filler of 6% coupling agent, 15% lubricant, solubilizer 15%, fire retardant 6% and surplus, increase-volume Agent is maleic anhydride grafted polyethylene, and filler is calcium carbonate.
Its preparation method, comprises the following steps:
S1, by the polyvinyl resin with super-high molecular weight of the proportion under conditions of 60 DEG C plus after heat fusing, be cooled to 35 DEG C of guarantors Shield, adds the novolac epoxy resin and fluorocarbon resin of the proportion, and with the rotating speed of 250r/min 1.5h is mixed, and obtains compound tree Fat;
S2, the 1 of the proportion, 6 one hexylene glycol, nano titanium oxide, nano silicon and auxiliary agent are put into into high-speed mixer In mixed, after being well mixed mixed accessories;
S3, the hybrid resin obtained by mixed accessories and step S1 of gained in step S2 is added in double screw extruder, Mixed after 1h with the rotating speed of 800r/min, after being well mixed, from the charging aperture of double screw extruder the proportion is added Carbon fiber, the extruded velocity for controlling compound is 25Kg/min, and the addition speed of carbon fiber is 2.5Kg/min, makes batch mixing and carbon The common extruding pelletization of fiber, obtains final product noncorrosive pump carbon fiber resin matrix composite.
Embodiment three
A kind of noncorrosive pump carbon fiber resin matrix composite proposed by the present invention, including the raw material of following weight portion:Superelevation 25 parts of molecular weight polyethylene resin, 17 parts of novolac epoxy resin, 7 parts of fluorocarbon resin, 7 parts of carbon fiber, 1 part of 1,6 one hexylene glycol, receive 0.4 part of titanium dioxide of rice, 0.1 part of nano silicon, 8 parts of auxiliary agent.
Wherein, auxiliary agent is made up of the filler of 9% coupling agent, 20% lubricant, solubilizer 10%, fire retardant 8% and surplus, increase-volume Agent is maleic anhydride grafted polyethylene, and filler is talcum powder.
Its preparation method, comprises the following steps:
S1, by the polyvinyl resin with super-high molecular weight of the proportion under conditions of 80 DEG C plus after heat fusing, be cooled to 30 DEG C of guarantors Shield, adds the novolac epoxy resin and fluorocarbon resin of the proportion, and with the rotating speed of 380r/min 1h is mixed, and obtains compound tree Fat;
S2, the 1 of the proportion, 6 one hexylene glycol, nano titanium oxide, nano silicon and auxiliary agent are put into into high-speed mixer In mixed, after being well mixed mixed accessories;
S3, the hybrid resin obtained by mixed accessories and step S1 of gained in step S2 is added in double screw extruder, Mixed after 3h with the rotating speed of 400r/min, after being well mixed, from the charging aperture of double screw extruder the proportion is added Carbon fiber, the extruded velocity for controlling compound is 30Kg/min, and the addition speed of carbon fiber is 2.8Kg/min, makes batch mixing and carbon The common extruding pelletization of fiber, obtains final product noncorrosive pump carbon fiber resin matrix composite.
Example IV
A kind of noncorrosive pump carbon fiber resin matrix composite proposed by the present invention, including the raw material of following weight portion:Superelevation 28 parts of molecular weight polyethylene resin, 18 parts of novolac epoxy resin, 8 parts of fluorocarbon resin, 8 parts of carbon fiber, 1.5 parts of 1,6 one hexylene glycol, 0.5 part of nano titanium oxide, 0.2 part of nano silicon, 5 parts of auxiliary agent.
Wherein, auxiliary agent is made up of the filler of 15% coupling agent, 10% lubricant, solubilizer 6%, fire retardant 15% and surplus, is increased Appearance agent is maleic anhydride grafted polyethylene, and filler is barium sulfate.
Its preparation method, comprises the following steps:
S1, by the polyvinyl resin with super-high molecular weight of the proportion under conditions of 90 DEG C plus after heat fusing, be cooled to 50 DEG C of guarantors Shield, adds the novolac epoxy resin and fluorocarbon resin of the proportion, and with the rotating speed of 320r/min 1.2h is mixed, and obtains compound tree Fat;
S2, the 1 of the proportion, 6 one hexylene glycol, nano titanium oxide, nano silicon and auxiliary agent are put into into high-speed mixer In mixed, after being well mixed mixed accessories;
S3, the hybrid resin obtained by mixed accessories and step S1 of gained in step S2 is added in double screw extruder, Mixed after 1.5h with the rotating speed of 700r/min, after being well mixed, from the charging aperture of double screw extruder the proportion is added Carbon fiber, the extruded velocity for controlling compound is 22Kg/min, and the addition speed of carbon fiber is 2Kg/min, makes batch mixing and carbon The common extruding pelletization of fiber, obtains final product noncorrosive pump carbon fiber resin matrix composite.
Embodiment five
A kind of noncorrosive pump carbon fiber resin matrix composite proposed by the present invention, including the raw material of following weight portion:Superelevation 15 parts of molecular weight polyethylene resin, 14 parts of novolac epoxy resin, 6 parts of fluorocarbon resin, 4 parts of carbon fiber, 0.5 part of 1,6 one hexylene glycol, 0.3 part of nano titanium oxide, 0.5 part of nano silicon, 9 parts of auxiliary agent.
Wherein, auxiliary agent is made up of the filler of 10% coupling agent, 12% lubricant, solubilizer 12%, fire retardant 10% and surplus, is increased Appearance agent is maleic anhydride grafted polyethylene, and filler is calcium carbonate.
Its preparation method, comprises the following steps:
S1, by the polyvinyl resin with super-high molecular weight of the proportion under conditions of 75 DEG C plus after heat fusing, be cooled to 45 DEG C of guarantors Shield, adds the novolac epoxy resin and fluorocarbon resin of the proportion, and with the rotating speed of 180r/min 2h is mixed, and obtains compound tree Fat;
S2, the 1 of the proportion, 6 one hexylene glycol, nano titanium oxide, nano silicon and auxiliary agent are put into into high-speed mixer In mixed, after being well mixed mixed accessories;
S3, the hybrid resin obtained by mixed accessories and step S1 of gained in step S2 is added in double screw extruder, Mixed after 2h with the rotating speed of 600r/min, after being well mixed, from the charging aperture of double screw extruder the proportion is added Carbon fiber, the extruded velocity for controlling compound is 15Kg/min, and the addition speed of carbon fiber is 1.2Kg/min, makes batch mixing and carbon The common extruding pelletization of fiber, obtains final product noncorrosive pump carbon fiber resin matrix composite.
A kind of noncorrosive pump carbon fiber resin matrix composite proposed by the present invention, mechanical property is good, and specific strength is high, than Modulus is big, with good fatigue resistance, impact resistance, the product easy processing shaping prepared, good product quality, service life It is long, the invention allows for a kind of preparation method of noncorrosive pump carbon fiber resin matrix composite, excellent from self performance Based on good resin, first mix with other auxiliary materials, finally using carbon fiber-reinforced resin, answer so as to resin base is obtained Condensation material, preparation method proposed by the present invention is simple, and low production cost is worthy to be popularized.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto, Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.

Claims (7)

1. a kind of noncorrosive pump carbon fiber resin matrix composite, it is characterised in that including the raw material of following weight portion:Superelevation 12~30 parts of molecular weight polyethylene resin, 10~20 parts of novolac epoxy resin, 5~8 parts of fluorocarbon resin, 3~8 parts of carbon fiber, 1,6 One 0.5~1.5 part of hexylene glycol, 0.1~0.5 part of nano titanium oxide, 0.1~0.5 part of nano silicon, 5~10 parts of auxiliary agent.
2. a kind of noncorrosive pump carbon fiber resin matrix composite according to claim 1, it is characterised in that include with The raw material of lower weight portion:14.4~26.25 parts of polyvinyl resin with super-high molecular weight, 12~17.5 parts of novolac epoxy resin, fluorine carbon 6~7 parts of resin, 4~6 parts of carbon fiber, 0.8~1.2 part of 1,6 one hexylene glycol, 0.2~0.4 part of nano titanium oxide, nano-silica 0.2~0.4 part of SiClx, 6~8 parts of auxiliary agent.
3. a kind of noncorrosive pump carbon fiber resin matrix composite according to claim 1, it is characterised in that include with The raw material of lower weight portion:20 parts of polyvinyl resin with super-high molecular weight, 15 parts of novolac epoxy resin, 6 parts of fluorocarbon resin, carbon fiber 5 Part, 1 part of 1,6 one hexylene glycol, 0.3 part of nano titanium oxide, 0.3 part of nano silicon, 7 parts of auxiliary agent.
4. a kind of noncorrosive pump carbon fiber resin matrix composite according to claim 1, it is characterised in that described super High molecular weight polyethylene resin, novolac epoxy resin, the weight ratio of fluorocarbon resin are 2.4~3.75:2~2.5:1.
5. a kind of noncorrosive pump carbon fiber resin matrix composite according to claim 1, it is characterised in that described to help Agent is coupling agent, lubricant, solubilizer, fire retardant, filler, and the percentage by weight of wherein each component is:6~15% coupling agents, 10 ~20% lubricant, solubilizer 6~15%, fire retardant 6~15%, balance of filler.
6. auxiliary agent according to claim 5, it is characterised in that the bulking agent is maleic anhydride grafted polyethylene, described Filler is the one kind in calcium carbonate, talcum powder or barium sulfate.
7. a kind of preparation method of noncorrosive pump carbon fiber resin matrix composite, it is characterised in that comprise the following steps:
S1, by the polyvinyl resin with super-high molecular weight of the proportion under conditions of 60~90 DEG C plus after heat fusing, be cooled to 30 ~50 DEG C of protections, add the novolac epoxy resin and fluorocarbon resin of the proportion, are mixed with the rotating speed of 180~380r/min 1~2h, obtains hybrid resin;
S2, the 1 of the proportion, 6 one hexylene glycol, nano titanium oxide, nano silicon and auxiliary agent are put into into high-speed mixer In mixed, after being well mixed mixed accessories;
S3, the hybrid resin obtained by mixed accessories and step S1 of gained in step S2 is added in double screw extruder, Mixed after 1~3h with the rotating speed of 400~800r/min, after being well mixed, from the charging aperture of double screw extruder institute is added The carbon fiber of proportion is stated, the extruded velocity for controlling compound is 15~30Kg/min, the addition speed of carbon fiber is 1.2~ 2.8Kg/min, makes batch mixing and the common extruding pelletization of carbon fiber, obtains final product noncorrosive pump carbon fiber resin matrix composite.
CN201610904943.6A 2016-10-18 2016-10-18 Corrosion-resistant carbon fiber resin-based composite material used for pump Pending CN106566042A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112356518A (en) * 2020-10-26 2021-02-12 安徽天康特种钢管有限公司 Environment-friendly high-pressure-resistant pipe for dredging
CN112778605A (en) * 2020-12-30 2021-05-11 南京逸科景润科技有限公司 Enhanced carbon fiber ultra-high molecular weight polyethylene fiber composite fiber material and preparation method thereof
CN113801410A (en) * 2021-11-02 2021-12-17 大连工业大学 Carbon fiber reinforced fluorocarbon resin composite material with fluorescence characteristic and preparation method thereof
CN114773872A (en) * 2022-05-27 2022-07-22 盐城工业职业技术学院 Anti-fatigue flexible woven composite material and processing method thereof
CN117867702A (en) * 2024-03-13 2024-04-12 航天长征睿特科技有限公司 Corrosion-resistant high-strength carbon fiber and production process thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112356518A (en) * 2020-10-26 2021-02-12 安徽天康特种钢管有限公司 Environment-friendly high-pressure-resistant pipe for dredging
CN112778605A (en) * 2020-12-30 2021-05-11 南京逸科景润科技有限公司 Enhanced carbon fiber ultra-high molecular weight polyethylene fiber composite fiber material and preparation method thereof
CN112778605B (en) * 2020-12-30 2022-09-09 广东冠豪新材料研发有限公司 Enhanced carbon fiber ultra-high molecular weight polyethylene fiber composite fiber material and preparation method thereof
CN113801410A (en) * 2021-11-02 2021-12-17 大连工业大学 Carbon fiber reinforced fluorocarbon resin composite material with fluorescence characteristic and preparation method thereof
CN114773872A (en) * 2022-05-27 2022-07-22 盐城工业职业技术学院 Anti-fatigue flexible woven composite material and processing method thereof
CN117867702A (en) * 2024-03-13 2024-04-12 航天长征睿特科技有限公司 Corrosion-resistant high-strength carbon fiber and production process thereof

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Application publication date: 20170419