CN104419164A - Carbon fiber filled and modified PC (polycarbonate) composite material and preparation method thereof - Google Patents
Carbon fiber filled and modified PC (polycarbonate) composite material and preparation method thereof Download PDFInfo
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- CN104419164A CN104419164A CN201310397396.3A CN201310397396A CN104419164A CN 104419164 A CN104419164 A CN 104419164A CN 201310397396 A CN201310397396 A CN 201310397396A CN 104419164 A CN104419164 A CN 104419164A
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- carbon fiber
- carbon fibers
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- matrix material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- 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)
- Reinforced Plastic Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a carbon fiber filled and modified PC (polycarbonate) composite material and a preparation method thereof. The carbon fiber filled and modified PC composite material is prepared from the following components in percentage by mass: 50%-80% of PC resin, 10%-30% of carbon fibers, 4%-10% of a flexibilizer, 0.1%-1% of a composite antioxidant, 0.1%-1.5% of a lubricant, 0.1%-1% of a chain extender and 0.1%-1% of other auxiliaries. The carbon fiber filled and modified PC composite material has the beneficial effects that the carbon fibers are infiltrated by adopting liquid-state polyacrylonitrile oligomer, after the wetted carbon fibers are pre-oxidized, polyacrylonitrile is adsorbed on the surfaces of the carbon fibers to form a large number of active nitrile groups which have a very good binding force with the PC resin, so that the adhesion between the carbon fibers and the PC resin is improved, the surface polarity of the carbon fibers is improved, the binding force between the carbon fibers and the PC resin matrix is strengthened, and therefore, the obtained carbon fiber filled and modified PC composite material has the advantages of high strength, good toughness, simple production process and the like, and has very wide application prospect while being used as a high-energy structure material in the fields such as automobiles, chemical industry, machinery, electrical industry and building.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of filled with carbon fibers modification PC matrix material and preparation method thereof.
Background technology
Polycarbonate (PC) is a kind of thermoplastic engineering plastic of excellent combination property, there is outstanding shock resistance, resistance to creep and good stability of the dimension, higher mechanical strength can be kept in higher temperature range, nontoxic, dielectric properties are excellent, are the engineering plastics that rapid development is the fastest and the size of capacity is maximum in recent years.But also there are some shortcomings in it, as poor in processing fluidity, be easy to stress cracking, to breach, more responsive and wear resistance is good enough etc.Carbon fiber has the characteristic such as high strength, high-modulus, high temperature resistant, corrosion-resistant, antifatigue, creep resistance, conduction, heat transfer, belong to typical new high-tech product, mainly for the preparation of advanced composite material, aerospace, sports goods field, industrial circle, traffic and transport field and civil construction field are widely used in.The toughener of mechanical property can be filled, be improved to carbon fiber as engineering plastics, but during filled with carbon fibers modified resin matrix material, require higher interlaminar shear strength (ILSS), and not surface treated carbon fiber surface is inertia, specific surface area is little, and edge active carbon atom is few, active functional group content is few, surface energy is low, and resin wetting property and two-phase interface bad adhesion, and the interlaminar shear strength of carbon fiber and resin composite materials is lower.
Summary of the invention
The object of the present invention is to provide a kind of modified effect significantly, the filled with carbon fibers modification PC matrix material of excellent in mechanical performance and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: filled with carbon fibers modification PC matrix material, and its component by mass percent proportioning is: PC resin 50% ~ 80%, carbon fiber 10% ~ 30%, toughner 4% ~ 10%, composite antioxidant 0.1% ~ 1%, lubricant 0.1% ~ 1.5%, chainextender 0.1% ~ 1%, other auxiliary agent 0.1% ~ 1%.
Described PC resin is polycarbonate.
Described carbon fiber be surface through the carbon fiber of modified polyacrylonitrile process, its treatment process be by carbon fiber after polyacrylonitrile solution infiltration, to be placed in 50 DEG C ~ 300 DEG C baking ovens preoxidation 2 ~ 24 hours, the carbon fiber then dry, acquired; Wherein, polyacrylonitrile solution is the formulated solution of polyacrylol oligomer and solvent, and its solvent is selected from the one in water, ethanol, acetone.
Described toughner is glycidyl methacrylate graft ethylene-octene copolymer (POE-g-GMA).
Described composite antioxidant is Hinered phenols antioxidant 1010 and the compound of phosphite ester kind antioxidant 168 in quality 1:1 ratio.
Described lubricant is pentaerythritol stearate (PETS).
Described chainextender is oxazoline type chainextender.
Other described auxiliary agent is that tinting material is or/and photostabilizer.
The preparation method of above-mentioned filled with carbon fibers modification PC matrix material, comprises the following steps:
(1) by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, stand-by;
(2) pre-treatment of carbon fiber: first prepare polyacrylonitrile solution, then by carbon fiber after polyacrylonitrile solution infiltrates, to be placed in 50 DEG C ~ 300 DEG C baking ovens preoxidation 2 ~ 24 hours, the carbon fiber then dry, acquired, stand-by;
(3) take dry PC resin and toughner, composite antioxidant, lubricant, chainextender, other auxiliary agent by weight ratio, add respectively in high-speed mixer, fully stir 5 ~ 30 minutes, discharging;
(4) compound of step (3) is added the main spout of twin screw extruder, the carbon fiber that step (2) obtains is taken by weight ratio and adds from the side spout of twin screw extruder, the master spout rotating speed of adjustment twin screw extruder is with uniform carbon fibre content, and controlled working temperature is between 240 DEG C ~ 260 DEG C, by twin screw extruder melting mixing, extrude, cool, granulation, obtain this product.
The invention has the beneficial effects as follows, compared with prior art, the present invention infiltrates carbon fiber by first adopting liquid polypropylene nitrile oligopolymer, through infiltrating the carbon fiber of process again after preoxidation, polyacrylonitrile is adsorbed on carbon fiber surface and forms a large amount of active itrile group, these itrile groups and PC resin have extraordinary linkage force, improve the cementability of carbon fiber and PC resin, improve the surface polarity of carbon fiber, enhance the cohesive force of carbon fiber and PC resin matrix, it is high that gained filled with carbon fibers modification PC matrix material has intensity, good toughness, the advantages such as production technique is simple, at automobile, chemical industry, machinery, electrically, the fields such as building have widely application prospect as high performance structures material.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of filled with carbon fibers modification PC matrix material, its component in mass percent proportioning is: PC resin 70%, carbon fiber 20%, glycidyl methacrylate graft ethylene-octene copolymer (POE-g-GMA) 8%, composite antioxidant are Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168 compound 0.3%, pentaerythritol stearate (PETS) 0.8%, oxazoline type chainextender 0.5%, other auxiliary agent 0.4% in quality 1:1 ratio.Wherein, described carbon fiber be surface through the carbon fiber of modified polyacrylonitrile process, its treatment process be by carbon fiber after polyacrylonitrile solution infiltration, to be placed in 50 DEG C ~ 300 DEG C baking ovens preoxidation 2 ~ 24 hours, the carbon fiber then dry, acquired; Wherein, polyacrylonitrile solution is the formulated solution of polyacrylol oligomer and water.Other described auxiliary agent is that tinting material is or/and photostabilizer.
Preparation method: (1) is by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, stand-by; (2) pre-treatment of carbon fiber: first prepare polyacrylonitrile solution, then by carbon fiber after polyacrylonitrile solution infiltrates, to be placed in 50 DEG C ~ 300 DEG C baking ovens preoxidation 2 ~ 24 hours, the carbon fiber then dry, acquired, stand-by; (3) the PC resin and glycidyl methacrylate graft ethylene-octene copolymer (POE-g-GMA), the composite antioxidant that take drying are by weight ratio Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168 compound, pentaerythritol stearate (PETS), oxazoline type chainextender, other auxiliary agent in quality 1:1 ratio, add respectively in high-speed mixer, abundant stirring 5 ~ 30 minutes, discharging; (4) compound of step (3) is added the main spout of twin screw extruder, the carbon fiber that step (2) obtains is taken by weight ratio and adds from the side spout of twin screw extruder, the master spout rotating speed of adjustment twin screw extruder is with uniform carbon fibre content, and controlled working temperature is between 240 DEG C ~ 260 DEG C, by twin screw extruder melting mixing, extrude, cool, granulation, obtain this product.
Embodiment 2:
A kind of filled with carbon fibers modification PC matrix material, its component in mass percent proportioning is: PC resin 62%, carbon fiber 30%, glycidyl methacrylate graft ethylene-octene copolymer (POE-g-GMA) 5%, Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168 compound 0.5%, pentaerythritol stearate (PETS) 1%, oxazoline type chainextender 1%, other auxiliary agent 0.5% in quality 1:1 ratio.Wherein, described carbon fiber be surface through the carbon fiber of modified polyacrylonitrile process, its treatment process be by carbon fiber after polyacrylonitrile solution infiltration, to be placed in 50 DEG C ~ 300 DEG C baking ovens preoxidation 2 ~ 24 hours, the carbon fiber then dry, acquired; Wherein, polyacrylonitrile solution is the formulated solution of polyacrylol oligomer and ethanol.Other described auxiliary agent is that tinting material is or/and photostabilizer.
Preparation method is with embodiment 1.
Claims (8)
1. a filled with carbon fibers modification PC matrix material, it is characterized in that, its component by mass percent proportioning is: PC resin 50% ~ 80%, carbon fiber 10% ~ 30%, toughner 4% ~ 10%, composite antioxidant 0.1% ~ 1%, lubricant 0.1% ~ 1.5%, chainextender 0.1% ~ 1%, other auxiliary agent 0.1% ~ 1%.
2. filled with carbon fibers modification PC matrix material according to claim 1, it is characterized in that, described carbon fiber is the carbon fiber of surface through modified polyacrylonitrile process, its treatment process be by carbon fiber polyacrylonitrile solution infiltrate after, to be placed in 50 DEG C ~ 300 DEG C baking ovens preoxidation 2 ~ 24 hours, the carbon fiber then dry, acquired; Wherein, polyacrylonitrile solution is the formulated solution of polyacrylol oligomer and solvent, and its solvent is selected from the one in water, ethanol, acetone.
3. filled with carbon fibers modification PC matrix material according to claim 1, is characterized in that, described toughner is glycidyl methacrylate graft ethylene-octene copolymer (POE-g-GMA).
4. filled with carbon fibers modification PC matrix material according to claim 1, is characterized in that, described composite antioxidant is Hinered phenols antioxidant 1010 and the compound of phosphite ester kind antioxidant 168 in quality 1:1 ratio.
5. filled with carbon fibers modification PC matrix material according to claim 1, is characterized in that, described lubricant is pentaerythritol stearate (PETS).
6. filled with carbon fibers modification PC matrix material according to claim 1, is characterized in that, described chainextender is oxazoline type chainextender.
7. filled with carbon fibers modification PC matrix material according to claim 1, is characterized in that, other described auxiliary agent is that tinting material is or/and photostabilizer.
8. the preparation method of filled with carbon fibers modification PC matrix material according to claim 1, is characterized in that, comprise the following steps:
(1) by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, stand-by;
(2) pre-treatment of carbon fiber: first prepare polyacrylonitrile solution, then by carbon fiber after polyacrylonitrile solution infiltrates, to be placed in 50 DEG C ~ 300 DEG C baking ovens preoxidation 2 ~ 24 hours, the carbon fiber then dry, acquired, stand-by;
(3) take dry PC resin and toughner, composite antioxidant, lubricant, chainextender, other auxiliary agent by weight ratio, add respectively in high-speed mixer, fully stir 5 ~ 30 minutes, discharging;
(4) compound of step (3) is added the main spout of twin screw extruder, the carbon fiber that step (2) obtains is taken by weight ratio and adds from the side spout of twin screw extruder, the master spout rotating speed of adjustment twin screw extruder is with uniform carbon fibre content, and controlled working temperature is between 240 DEG C ~ 260 DEG C, by twin screw extruder melting mixing, extrude, cool, granulation, obtain this product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310397396.3A CN104419164A (en) | 2013-09-05 | 2013-09-05 | Carbon fiber filled and modified PC (polycarbonate) composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310397396.3A CN104419164A (en) | 2013-09-05 | 2013-09-05 | Carbon fiber filled and modified PC (polycarbonate) composite material and preparation method thereof |
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| CN104419164A true CN104419164A (en) | 2015-03-18 |
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| CN201310397396.3A Pending CN104419164A (en) | 2013-09-05 | 2013-09-05 | Carbon fiber filled and modified PC (polycarbonate) composite material and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109438956A (en) * | 2018-11-23 | 2019-03-08 | 安徽旭升新材料有限公司 | High rigidity is modified PC and carbon fibre composite and preparation method thereof |
| CN109486151A (en) * | 2018-11-08 | 2019-03-19 | 安徽旭升新材料有限公司 | A kind of preparation method of modified PC and carbon fibre composite |
| CN109575555A (en) * | 2018-11-08 | 2019-04-05 | 安徽旭升新材料有限公司 | A kind of modified PC and carbon fibre composite |
| CN109735098A (en) * | 2018-12-27 | 2019-05-10 | 安徽旭升新材料有限公司 | Unmanned plane propeller production method can be recycled in high-performance |
| CN109777093A (en) * | 2018-12-27 | 2019-05-21 | 安徽旭升新材料有限公司 | For making the carbon fiber and 6 composite material of modified Pa 6 of unmanned plane propeller |
| CN114806127A (en) * | 2022-05-10 | 2022-07-29 | 中山市卡邦碳纤维材料制品有限公司 | Carbon fiber pipe and manufacturing process thereof |
-
2013
- 2013-09-05 CN CN201310397396.3A patent/CN104419164A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109486151A (en) * | 2018-11-08 | 2019-03-19 | 安徽旭升新材料有限公司 | A kind of preparation method of modified PC and carbon fibre composite |
| CN109575555A (en) * | 2018-11-08 | 2019-04-05 | 安徽旭升新材料有限公司 | A kind of modified PC and carbon fibre composite |
| CN109438956A (en) * | 2018-11-23 | 2019-03-08 | 安徽旭升新材料有限公司 | High rigidity is modified PC and carbon fibre composite and preparation method thereof |
| CN109735098A (en) * | 2018-12-27 | 2019-05-10 | 安徽旭升新材料有限公司 | Unmanned plane propeller production method can be recycled in high-performance |
| CN109777093A (en) * | 2018-12-27 | 2019-05-21 | 安徽旭升新材料有限公司 | For making the carbon fiber and 6 composite material of modified Pa 6 of unmanned plane propeller |
| CN114806127A (en) * | 2022-05-10 | 2022-07-29 | 中山市卡邦碳纤维材料制品有限公司 | Carbon fiber pipe and manufacturing process thereof |
| CN114806127B (en) * | 2022-05-10 | 2024-02-20 | 中山市卡邦碳纤维材料制品有限公司 | Carbon fiber pipe and manufacturing method thereof |
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Application publication date: 20150318 |
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