CN106751679A - A kind of carbon fiber modifying makrolon material and preparation method thereof - Google Patents
A kind of carbon fiber modifying makrolon material and preparation method thereof Download PDFInfo
- Publication number
- CN106751679A CN106751679A CN201611217346.2A CN201611217346A CN106751679A CN 106751679 A CN106751679 A CN 106751679A CN 201611217346 A CN201611217346 A CN 201611217346A CN 106751679 A CN106751679 A CN 106751679A
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- parts
- makrolon
- carbon
- modifying
- 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
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Abstract
The invention discloses a kind of carbon fiber modifying makrolon material, including following weight portion raw material：60 80 parts of makrolon, 5 10 parts of carbon fiber, 0.3 0.6 parts of polyoxyethylene aliphatic alcohol ether, 0.2 0.5 parts of 2,6 DI-tert-butylphenol compounds, 0.1 0.5 parts of vinyl bis-stearamides, 0.5 1 parts of fire retardant, the invention also discloses its preparation method.The present invention uses liquid phase and plasma economic benefits and social benefits Treatment of Carbon, improves the surface wettability energy of carbon fiber, and the carbon fiber after treatment is used to strengthen modified polycarbonate material, and obtained material shear strength can be 50 55MPa to 93 101MPa, tensile strength.
Description
Technical field
The present invention relates to technical field of polymer materials, and in particular to a kind of carbon fiber modifying makrolon material and its system
Preparation Method.
Background technology
Makrolon (PC) is a kind of thermoplastic engineering plastic of excellent combination property, with prominent shock resistance,
Creep resistance and good stability of the dimension, can keep mechanical strength higher within the scope of temperature higher, and nontoxic, dielectric properties are excellent
It is good, it is the engineering plastics of rapid development most fast and size of capacity maximum in recent years.But PC there is also some defects, such as processing characteristics
It is poor, easy stress cracking, notch shock and low-temperature flexibility difference etc. limit its range of application.Carbon fiber has high intensity, Gao Mo
The characteristic such as amount, high temperature resistant, corrosion-resistant, endurance, creep resistant, conduction, heat transfer, belongs to typical new high-tech product, is mainly used in
Advanced composite material is prepared, aerospace, sports goods field, industrial circle, traffic and transport field and building is widely used to and is built
Build field.Carbon fiber can be as reinforced resin composite and the reinforcing agent for improving its mechanical property, but fibre reinforced tree
During resin composite material, it is desirable to have interlaminar shear strength higher, and not surface treated carbon fiber surface is inert, specific surface
Product is small, and edge active carbon atom is few, and active functional group content is few, and surface can be low, and resin wellability and two-phase interface are bonded
Property is poor, and carbon fiber is relatively low with the interlaminar shear strength of resin composite materials, it is impossible to meet its using effect.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of excellent performance carbon fiber modifying makrolon material and
Its preparation method.
To realize object above, the present invention is achieved by the following technical programs：
A kind of carbon fiber modifying makrolon material, including following weight portion raw material：Makrolon 60-80 parts, carbon fibre
Dimension 5-10 parts, polyoxyethylene aliphatic alcohol ether 0.3-0.6 parts, 2,6 di t butyl phenol 0.2-0.5 parts, vinyl bis-stearamides
0.1-0.5 parts, fire retardant 0.5-1 parts.
Preferably, the carbon fiber is surface fine by the chopped poly- propionitrile carbon after liquid phase and the oxidation of plasma economic benefits and social benefits
Dimension.
Preferably, the carbon fiber surface treatment method is as follows：Will be equipped with 15%NaClO3And 30%H2SO4Mixed solution
Bath be heated to 75 DEG C, being added thereto to carbon fibre tow carries out once oxidation treatment to its surface, distilled water cleaning, transfer
Into plasma apparatus, at room temperature using ammonia as treatment medium, low temperature etc. is carried out to the carbon fibre tow surface in motion
Gas ions are bombarded, and complete secondary oxidative treatments.
Preferably, the speed of service of the carbon fibre tow in bath is 0.3-0.4m/min, during once oxidation treatment
Between be 80-90s.
Preferably, the speed of service of the carbon fibre tow in low temperature plasma is 0.8-1.0m/min, secondary oxygen
Change process time is 3-4min.
The preparation method of carbon fiber modifying makrolon material, comprises the following steps：
1) will be equipped with 15%NaClO3And 30%H2SO4The bath of mixed solution is heated to 75 DEG C, is added thereto to carbon fiber
Tow surface carries out once oxidation treatment, distilled water cleaning, is transferred in plasma apparatus, at room temperature using ammonia as treatment
Medium, low temperature plasma bombardment is carried out to the carbon fibre tow surface in motion, completes secondary oxidative treatments, is obtained surface and is modified
Carbon fiber, dries；
2) by makrolon, polyoxyethylene aliphatic alcohol ether, 2,6 di t butyl phenol, vinyl bis-stearamides, fire-retardant
Agent is added in high mixer, stirs 5-10min, is subsequently adding surface modified carbon fiber, continues to mix 10-15min, must be mixed
Material；
3) in adding mixture into double screw extruder, the melting mixing at 240-260 DEG C, extrusion, cooling granulation, i.e.,
Obtain finished product.
Beneficial effect of the present invention：The present invention uses liquid phase and plasma economic benefits and social benefits Treatment of Carbon, the work of carbon fiber surface
Property functional group compared with single treatment method will height, in addition to oxy radical, also introduce the functional group such as amino, improve the table of carbon fiber
Face wetting property, the carbon fiber after treatment is used to strengthen modified polycarbonate material, improves the interlaminar shear strength of material, system
Material shear strength can arrive 93-101MPa, tensile strength is 50-55MPa, and also with high resiliency, high rigidity, thermally-stabilised
The excellent properties such as property, there is good promotional value.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.
Embodiment 1：
A kind of carbon fiber modifying makrolon material, including following weight portion raw material：75 parts of makrolon, carbon fiber 10
Part, 0.5 part of polyoxyethylene aliphatic alcohol ether, 0.4 part of 2,6 di t butyl phenol, 0.3 part of vinyl bis-stearamides, fire retardant
0.6 part.
The preparation method of carbon fiber modifying makrolon material, comprises the following steps：
1) will be equipped with 15%NaClO3And 30%H2SO4The bath of mixed solution is heated to 75 DEG C, is added thereto to carbon fiber
Tow carries out once oxidation treatment to its surface, and the speed of service of the carbon fibre tow in bath is 0.4m/min, process time
It is 85s, distilled water cleaning is transferred in plasma apparatus, fine to the carbon in motion at room temperature using ammonia as treatment medium
Dimension tow surface carries out low temperature plasma bombardment, and the speed of service of the carbon fibre tow in low temperature plasma is 0.9m/
Min, process time is 3min, completes secondary oxidative treatments, obtains surface modified carbon fiber, is dried；
2) by makrolon, polyoxyethylene aliphatic alcohol ether, 2,6 di t butyl phenol, vinyl bis-stearamides, fire-retardant
Agent is added in high mixer, stirs 10min, is subsequently adding surface modified carbon fiber, continues to mix 10min, obtains compound；
3) in adding mixture into double screw extruder, the melting mixing at 250 DEG C, extrusion, cooling granulation are obtained final product into
Product.
Embodiment 2：
A kind of carbon fiber modifying makrolon material, including following weight portion raw material：70 parts of makrolon, carbon fiber 8
Part, 0.4 part of polyoxyethylene aliphatic alcohol ether, 0.4 part of 2,6 di t butyl phenol, 0.3 part of vinyl bis-stearamides, fire retardant
0.5 part.
The preparation method of carbon fiber modifying makrolon material, comprises the following steps：
1) will be equipped with 15%NaClO3And 30%H2SO4The bath of mixed solution is heated to 75 DEG C, is added thereto to carbon fiber
Tow carries out once oxidation treatment to its surface, and the speed of service of the carbon fibre tow in bath is 0.3m/min, process time
It is 80s, distilled water cleaning is transferred in plasma apparatus, fine to the carbon in motion at room temperature using ammonia as treatment medium
Dimension tow surface carries out low temperature plasma bombardment, and the speed of service of the carbon fibre tow in low temperature plasma is 0.8m/
Min, process time is 4min, completes secondary oxidative treatments, obtains surface modified carbon fiber, is dried；
2) by makrolon, polyoxyethylene aliphatic alcohol ether, 2,6 di t butyl phenol, vinyl bis-stearamides, fire-retardant
Agent is added in high mixer, stirs 8min, is subsequently adding surface modified carbon fiber, continues to mix 12min, obtains compound；
3) in adding mixture into double screw extruder, the melting mixing at 255 DEG C, extrusion, cooling granulation are obtained final product into
Product.
Embodiment 3：
A kind of carbon fiber modifying makrolon material, including following weight portion raw material：72 parts of makrolon, carbon fiber 8
Part, 0.5 part of polyoxyethylene aliphatic alcohol ether, 0.5 part of 2,6 di t butyl phenol, 0.3 part of vinyl bis-stearamides, fire retardant
0.5 part.
The preparation method of carbon fiber modifying makrolon material, comprises the following steps：
1) will be equipped with 15%NaClO3And 30%H2SO4The bath of mixed solution is heated to 75 DEG C, is added thereto to carbon fiber
Tow carries out once oxidation treatment to its surface, and the speed of service of the carbon fibre tow in bath is 0.3m/min, process time
It is 90s, distilled water cleaning is transferred in plasma apparatus, fine to the carbon in motion at room temperature using ammonia as treatment medium
Dimension tow surface carries out low temperature plasma bombardment, and the speed of service of the carbon fibre tow in low temperature plasma is 1.0m/
Min, process time is 3min, completes secondary oxidative treatments, obtains surface modified carbon fiber, is dried；
2) by makrolon, polyoxyethylene aliphatic alcohol ether, 2,6 di t butyl phenol, vinyl bis-stearamides, fire-retardant
Agent is added in high mixer, stirs 5min, is subsequently adding surface modified carbon fiber, continues to mix 15min, obtains compound；
3) in adding mixture into double screw extruder, the melting mixing at 240 DEG C, extrusion, cooling granulation are obtained final product into
Product.
Embodiment 4：
A kind of carbon fiber modifying makrolon material, including following weight portion raw material：60 parts of makrolon, carbon fiber 10
Part, 0.3 part of polyoxyethylene aliphatic alcohol ether, 0.5 part of 2,6 di t butyl phenol, 0.1 part of vinyl bis-stearamides, fire retardant 1
Part.
The preparation method of carbon fiber modifying makrolon material, comprises the following steps：
1) will be equipped with 15%NaClO3And 30%H2SO4The bath of mixed solution is heated to 75 DEG C, is added thereto to carbon fiber
Tow carries out once oxidation treatment to its surface, and the speed of service of the carbon fibre tow in bath is 0.4m/min, process time
It is 80s, distilled water cleaning is transferred in plasma apparatus, fine to the carbon in motion at room temperature using ammonia as treatment medium
Dimension tow surface carries out low temperature plasma bombardment, and the speed of service of the carbon fibre tow in low temperature plasma is 1.0m/
Min, process time is 3min, completes secondary oxidative treatments, obtains surface modified carbon fiber, is dried；
2) by makrolon, polyoxyethylene aliphatic alcohol ether, 2,6 di t butyl phenol, vinyl bis-stearamides, fire-retardant
Agent is added in high mixer, stirs 10min, is subsequently adding surface modified carbon fiber, continues to mix 15min, obtains compound；
3) in adding mixture into double screw extruder, the melting mixing at 260 DEG C, extrusion, cooling granulation are obtained final product into
Product.
Embodiment 5：
A kind of carbon fiber modifying makrolon material, including following weight portion raw material：80 parts of makrolon, carbon fiber 5
Part, 0.6 part of polyoxyethylene aliphatic alcohol ether, 0.2 part of 2,6 di t butyl phenol, 0.5 part of vinyl bis-stearamides, fire retardant
0.5 part.
The preparation method of carbon fiber modifying makrolon material, comprises the following steps：
1) will be equipped with 15%NaClO3And 30%H2SO4The bath of mixed solution is heated to 75 DEG C, is added thereto to carbon fiber
Tow carries out once oxidation treatment to its surface, and the speed of service of the carbon fibre tow in bath is 0.4m/min, process time
It is 80s, distilled water cleaning is transferred in plasma apparatus, fine to the carbon in motion at room temperature using ammonia as treatment medium
Dimension tow surface carries out low temperature plasma bombardment, and the speed of service of the carbon fibre tow in low temperature plasma is 0.8m/
Min, process time is 4min, completes secondary oxidative treatments, obtains surface modified carbon fiber, is dried；
2) by makrolon, polyoxyethylene aliphatic alcohol ether, 2,6 di t butyl phenol, vinyl bis-stearamides, fire-retardant
Agent is added in high mixer, stirs 10min, is subsequently adding surface modified carbon fiber, continues to mix 10min, obtains compound；
3) in adding mixture into double screw extruder, the melting mixing at 240 DEG C, extrusion, cooling granulation are obtained final product into
Product.
Performance test is carried out to carbon fiber modifying makrolon material obtained in embodiment of the present invention 1-5, its shear strength
93-101MPa can be arrived, tensile strength is 50-55MPa, illustrates excellent material performance obtained in the embodiment of the present invention, had well
Application prospect.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (6)
1. a kind of carbon fiber modifying makrolon material, it is characterised in that the raw material including following weight portion：Makrolon 60-
80 parts, carbon fiber 5-10 parts, polyoxyethylene aliphatic alcohol ether 0.3-0.6 parts, 2,6 di t butyl phenol 0.2-0.5 parts, vinyl
Bis-stearamides 0.1-0.5 parts, fire retardant 0.5-1 parts.
2. carbon fiber modifying makrolon material as claimed in claim 1, it is characterised in that the carbon fiber is that surface is passed through
Chopped poly- propionitrile carbon fiber after liquid phase and the oxidation of plasma economic benefits and social benefits.
3. carbon fiber modifying makrolon material as claimed in claim 2, it is characterised in that the surface treatment of carbon fibers side
Method is as follows：Will be equipped with 15%NaClO3And 30%H2SO4The bath of mixed solution is heated to 75 DEG C, is added thereto to carbon fiber wire
Beam carries out once oxidation treatment to its surface, distilled water cleaning, is transferred in plasma apparatus, at room temperature using ammonia as place
Reason medium, low temperature plasma bombardment is carried out to the carbon fibre tow surface in motion, completes secondary oxidative treatments.
4. carbon fiber modifying makrolon material as claimed in claim 3, it is characterised in that the carbon fibre tow is in bath
In the speed of service be 0.3-0.4m/min, once oxidation process time be 80-90s.
5. carbon fiber modifying makrolon material as claimed in claim 3, it is characterised in that the carbon fibre tow is in low temperature
The speed of service in plasma is 0.8-1.0m/min, and the secondary oxidative treatments time is 3-4min.
6. the preparation method of a kind of carbon fiber modifying makrolon material as described in claim 1-5 is any, it is characterised in that
Comprise the following steps：
1) will be equipped with 15%NaClO3And 30%H2SO4The bath of mixed solution is heated to 75 DEG C, is added thereto to carbon fibre tow
Surface carries out once oxidation treatment, and distilled water cleaning is transferred in plasma apparatus, is situated between as treatment using ammonia at room temperature
Matter, low temperature plasma bombardment is carried out to the carbon fibre tow surface in motion, completes secondary oxidative treatments, obtains surface modified carbon
Fiber, dries；
2) makrolon, polyoxyethylene aliphatic alcohol ether, 2,6 di t butyl phenol, vinyl bis-stearamides, fire retardant are added
Enter in high mixer, stir 5-10min, be subsequently adding surface modified carbon fiber, continue to mix 10-15min, obtain compound；
3) in adding mixture into double screw extruder, the melting mixing at 240-260 DEG C, extrusion, cooling granulation are obtained final product into
Product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217346.2A CN106751679A (en) | 2016-12-26 | 2016-12-26 | A kind of carbon fiber modifying makrolon material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217346.2A CN106751679A (en) | 2016-12-26 | 2016-12-26 | A kind of carbon fiber modifying makrolon material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106751679A true CN106751679A (en) | 2017-05-31 |
Family
ID=58925737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611217346.2A Pending CN106751679A (en) | 2016-12-26 | 2016-12-26 | A kind of carbon fiber modifying makrolon material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106751679A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108753001A (en) * | 2018-06-08 | 2018-11-06 | 原晋波 | A kind of high-peeling strength heat conducting coating and preparation method thereof |
| CN115651341A (en) * | 2022-10-08 | 2023-01-31 | 浙江一马新材料有限公司 | Fiber-reinforced alloy material and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01152136A (en) * | 1987-12-10 | 1989-06-14 | Nippon Oil Co Ltd | Evaluation of bonding strength of surface-oxidized carbon fiber |
| WO2003097736A1 (en) * | 2002-05-16 | 2003-11-27 | Bridgestone Corporation | Rubber composition |
| KR20090114091A (en) * | 2008-04-29 | 2009-11-03 | 성균관대학교산학협력단 | Aluminum and carbon materials composites by rapid thermal annealing and method for preparing the same |
| CN103437142A (en) * | 2013-07-29 | 2013-12-11 | 湖州申祥丝织有限责任公司 | Composite bleaching agent for cotton fabric |
| CN104629305A (en) * | 2013-11-07 | 2015-05-20 | 殷培花 | Carbon fiber reinforced and modified polycarbonate |
| CN104672851A (en) * | 2013-12-02 | 2015-06-03 | 青岛佳亿阳工贸有限公司 | Polycarbonate (PC) composite material with excellent mechanical property |
-
2016
- 2016-12-26 CN CN201611217346.2A patent/CN106751679A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01152136A (en) * | 1987-12-10 | 1989-06-14 | Nippon Oil Co Ltd | Evaluation of bonding strength of surface-oxidized carbon fiber |
| WO2003097736A1 (en) * | 2002-05-16 | 2003-11-27 | Bridgestone Corporation | Rubber composition |
| KR20090114091A (en) * | 2008-04-29 | 2009-11-03 | 성균관대학교산학협력단 | Aluminum and carbon materials composites by rapid thermal annealing and method for preparing the same |
| CN103437142A (en) * | 2013-07-29 | 2013-12-11 | 湖州申祥丝织有限责任公司 | Composite bleaching agent for cotton fabric |
| CN104629305A (en) * | 2013-11-07 | 2015-05-20 | 殷培花 | Carbon fiber reinforced and modified polycarbonate |
| CN104672851A (en) * | 2013-12-02 | 2015-06-03 | 青岛佳亿阳工贸有限公司 | Polycarbonate (PC) composite material with excellent mechanical property |
Non-Patent Citations (3)
| Title |
|---|
| 《简明化学试剂手册》编写组: "《简明化学试剂手册》", 31 January 1991 * |
| 于宏伟，等: ""表面活性剂在塑料工业中的研究进展"", 《化工中间体》 * |
| 益小苏，等: "《中国材料工程大典》", 31 March 2006 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108753001A (en) * | 2018-06-08 | 2018-11-06 | 原晋波 | A kind of high-peeling strength heat conducting coating and preparation method thereof |
| CN115651341A (en) * | 2022-10-08 | 2023-01-31 | 浙江一马新材料有限公司 | Fiber-reinforced alloy material and preparation method thereof |
| CN115651341B (en) * | 2022-10-08 | 2023-03-28 | 浙江一马新材料有限公司 | Fiber-reinforced alloy material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106046678B (en) | A kind of fire-retardant toughened epoxy resin carbon fiber prepreg and preparation method thereof | |
| RU2561094C2 (en) | Coated reinforcing member (versions), use of reinforcing member, method of making fibre-reinforced product | |
| CN102181140B (en) | Carbon fiber silk waste reinforced polycarbonate composite material and preparation method of the carbon fiber silk waste reinforced polycarbonate composite material | |
| CN109251413A (en) | A kind of high degree of impregnation Long Glass Fiber Reinforced PP Composite and preparation method thereof | |
| CN104262784B (en) | Halogen-free flame retardant composite fiber-enhanced PP material and preparation method thereof | |
| CN105566937A (en) | Fiberglass reinforced wood-plastic composite material and preparation method thereof | |
| CN106751679A (en) | A kind of carbon fiber modifying makrolon material and preparation method thereof | |
| CN109608833A (en) | A kind of high-strength anti-flaming PCT engineering plastics and preparation method thereof | |
| CN113549323A (en) | High-strength high-flow low-warpage long glass fiber reinforced polyamide composite material, and preparation method and application thereof | |
| CN105295255A (en) | Graphene oxide and glass-fiber reinforced polyvinyl chloride composite material and preparation method thereof | |
| CN106810863A (en) | A kind of pbo fiber epoxy resin composite material and preparation method thereof | |
| CN106398137B (en) | A kind of halogen-free flameproof long glass fiber reinforced PET composite material and preparation method thereof | |
| CN104419167A (en) | Low-modulus carbon fiber modified PC composite material and preparation method thereof | |
| CN108384229A (en) | A kind of composite fibre reinforced nylon 6 reworked material and preparation method thereof | |
| CN104177827B (en) | A kind of PSA fiber base carbon fibre strengthens composite and preparation method thereof | |
| CN106280412A (en) | A kind of antiwear heat resisting potassium titanate crystal whisker modified carbon fiber composite and preparation method thereof | |
| CN106566241A (en) | Insulation flame-retardant glass fiber reinforced PA66/PPS/PES power fitting material and preparation method thereof | |
| CN110041694A (en) | A kind of preparation method of low warp glass fiber enhancing nylon | |
| WO2020019546A1 (en) | Epoxy resin system used for pultrusion molding and composite material prepared thereby | |
| CN105504577A (en) | Wood-plastic composite material | |
| CN105419326A (en) | Coupling agent treated glass fiber reinforced polyimide composite material | |
| CN107151383A (en) | A kind of high-strength abrasion-proof fiberglass | |
| CN107418150A (en) | The preparation method of high shear strength modified carbon fiber composite | |
| CN106117696A (en) | A kind of weather-proof high-density polyethylene material of high shading | |
| CN104861444A (en) | Carbon fiber enhanced PTT polyester composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
|
| RJ01 | Rejection of invention patent application after publication |