CN103507278A - Method for preparing glass fiber cloth reinforced thermoplastic polyurethane composite material by solution dipping method - Google Patents
Method for preparing glass fiber cloth reinforced thermoplastic polyurethane composite material by solution dipping method Download PDFInfo
- Publication number
- CN103507278A CN103507278A CN201210216602.1A CN201210216602A CN103507278A CN 103507278 A CN103507278 A CN 103507278A CN 201210216602 A CN201210216602 A CN 201210216602A CN 103507278 A CN103507278 A CN 103507278A
- Authority
- CN
- China
- Prior art keywords
- thermoplastic polyurethane
- fiber
- glass
- fabric
- solution
- 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
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention belongs to the technical field of materials and discloses a method for preparing a glass fiber cloth reinforced thermoplastic polyurethane composite material by a solution dipping method. The method comprises the following preparation steps: (1) preparing a thermoplastic polyurethane solution; (2) dipping glass fiber cloth in the thermoplastic polyurethane solution obtained in the step (1); (3) performing drying treatment on the glass fiber cloth dipped with the thermoplastic polyurethane solution, which is obtained in the step (2) to prepare a glass fiber cloth dipped sheet; and (4) performing hot-press molding on the glass fiber cloth dipped sheet to obtain the composite material. According to the preparation method, the temperature of dipping the glass fiber cloth in the thermoplastic polyurethane solution is reduced, the wettability of the glass fiber cloth is simultaneously improved, and the preparation method has the advantages of low cost, high quality and simple equipment; furthermore, solvents used for preparing the thermoplastic polyurethane solution are volatile solvents and can be recycled through a condensation method so as to save raw materials, reduce cost and realize simple process.
Description
Technical field
The invention belongs to material technology field, relate to a kind of solution dipping method and prepare the method that glass-fiber-fabric strengthens thermoplastic polyurethane composite.
Background technology
Continuous fiber reinforced thermoplastic plastic (Continuous Fiber Reinforced Thermoplastic Plastics is called for short CFRTP) is a kind of polymer matrix composite of early 1970s exploitation.Continuous fiber can adopt glass fibre, carbon fiber, aramid fiber etc., wherein comparatively conventional with glass fibre again.CFRTP has than continuous fiber reinforced thermosetting plastics advantage that following several respects are outstanding: (1) prepreg can long preservation; (2) high comprehensive performance particularly still can keep good mechanical property under high temperature, high humility; (3) moulding wide adaptability, production efficiency are high; (4) goods can repeat processing, regeneration.In recent years, continuous glass fibre reinforced thermoplastic plastics (CGFRTP) is more and more subject to various countries and payes attention to, and research application is very active.Mainly select at present the short reinforcing materials of impregnation time such as chopped strand, long fibre, continuous felt both at home and abroad, but adopt continuous-filament woven fabric to there is more excellent performance as reinforcing material, therefore develop continuous-filament woven fabric enhancing compound polyurethane material significant.
The main preparation methods that continuous glass fibre strengthens thermoplastic polyurethane composite has two kinds of solution impregnation technology and melt paint-on techniques, melt paint-on technique is to allow melt and glass fibre by a compound mouthful of mould, apply simultaneously, but this technical operation bothers, the comparison in equipment dropping into is many, and need many places to heat, consume energy also more, and be difficult to make glass fibre reinforcement complete wetting.Solution impregnation technology has not only reduced the temperature that thermoplastic polyurethane infiltrates, improved the wellability of glass-fiber-fabric, and prepare thermoplastic polyurethane solution solvent for use and be volatile solvent, can carry out recycling by condensation method, thereby saved raw material, reduced cost, and technique is simple.
Summary of the invention
For overcoming melt cladding process, prepare glass-fiber-fabric to strengthen in thermoplastic polyurethane composite used device many, need many places heating, big energy-consuming, difficulty makes the problems such as glass fibre reinforcement complete wetting, the invention provides a kind of solution dipping method and prepare the method that glass-fiber-fabric strengthens thermoplastic polyurethane composite, the method technique is simple, easy to operate.
Technical scheme of the present invention is as follows:
The invention provides a kind of method that glass-fiber-fabric strengthens thermoplastic polyurethane composite of preparing, preparation process is: (1) prepares thermoplastic polyurethane solution;
(2) glass-fiber-fabric be impregnated in the thermoplastic polyurethane solution of step (1) gained;
(3) step (2) gained is impregnated with to the glass-fiber-fabric of thermoplastic polyurethane solution, is dried processing, make glass-fiber-fabric impregnated sheet;
(4) glass-fiber-fabric impregnated sheet is hot-forming, obtains this composite.
The mass fraction of the described thermoplastic polyurethane solution of step (1) is 30 ~ 60%.
Described thermoplastic polyurethane solution, is that thermoplastic polyurethane is dissolved in solvent, and wherein solvent is oxolane, dimethyl formamide, dimethylacetylamide, dimethyl sulfoxide (DMSO), Y-butyrolactone or 1-METHYLPYRROLIDONE.
In step (2), the dip time of glass-fiber-fabric in thermoplastic polyurethane solution is 3 ~ 5s.
The described dry processing of step (3) is that the glass-fiber-fabric that is impregnated with thermoplastic polyurethane solution is placed on to 2 ~ 3h in fume hood, be positioned over again 30 ~ 60min in vacuum drying oven, after removing residual solution, make glass-fiber-fabric impregnated sheet, wherein the temperature of vacuum drying oven is 160 ~ 200 ℃.
The dry gel content of processing gained glass-fiber-fabric impregnated sheet is 26 ~ 59%.
Step (4) is described hot-forming, is the thickness by required composite, by glass-fiber-fabric impregnated sheet laying, stack, is placed in hot-forming this composite that makes on vulcanizing press.
Described hot-forming required pressure is 4 ~ 6MPa, and temperature is 220 ~ 240 ℃, and molding time is 2 ~ 6min.
The present invention compares with existing melt cladding process technology, the advantage having is: the temperature that has reduced thermoplastic polyurethane solution impregnation glass-fiber-fabric, improved the wellability of thermoplastic polyurethane solution impregnation glass-fiber-fabric, cost is low, quality is high, equipment is simple, and prepare thermoplastic polyurethane solution solvent for use and be volatile solvent, can carry out recycling by condensation method, thereby save raw material, reduced cost, and technique is simple.
The specific embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
It is stirring and dissolving to uniform state in 64 tetrahydrofuran solvent that the thermoplastic polyurethane that is 34 by mass fraction joins mass fraction, makes mass fraction and be 34% thermoplastic polyurethane solution.
Under room temperature condition, the glass-fiber-fabric of known quality is flooded to 3 ~ 5s in above-mentioned solution, under the glass-fiber-fabric room temperature that taking-up contains thermoplastic polyurethane solution, be placed on 2h in fume hood, be placed on again temperature and be in the vacuum drying oven of 160 ℃ 30min with except residual solution, make gel content and be 30% glass-fiber-fabric impregnated sheet.Gel content be by flood the quality of front glass-fiber-fabric and dipping and dry after the Mass Calculation of glass-fiber-fabric obtain.
According to the thickness of required composite, oven dry is removed to the glass-fiber-fabric impregnated sheet of solution and carry out laying, stack, be placed on vulcanizing press hot-forming, pressure is 4MPa, temperature is 220 ℃, and molding time is 6min, can make this glass-fiber-fabric and strengthen thermoplastic polyurethane composite.The glass-fiber-fabric making is strengthened to thermoplastic polyurethane composite board and according to GB/T 1449-2005, be prepared into the bend specimen of 15mm * 120mm, carry out performance test, test result is in Table 1.
Embodiment 2
It is in 67 solvent dimethylformamide that the thermoplastic polyurethane that is 43 by mass fraction joins mass fraction, and stirring and dissolving to uniform state makes mass fraction and be 43% thermoplastic polyurethane solution.
Under room temperature condition, the glass-fiber-fabric of known quality is flooded to 3 ~ 5s in above-mentioned solution, under the glass-fiber-fabric room temperature that taking-up contains thermoplastic polyurethane solution, be placed on 3h in fume hood, be placed on again temperature and be in the vacuum drying oven of 170 ℃ 45min with except residual solution, make gel content and be 40% glass-fiber-fabric impregnated sheet.
According to the thickness of required composite, oven dry is removed to the glass-fiber-fabric impregnated sheet of solution and carry out laying, stack, be placed on vulcanizing press hot-forming, pressure is 6MPa, temperature is 240 ℃, and molding time is 2min, can make this glass-fiber-fabric and strengthen thermoplastic polyurethane composite.The glass-fiber-fabric making is strengthened to thermoplastic polyurethane composite board and according to GB/T 1449-2005, be prepared into the bend specimen of 15mm * 120mm, carry out performance test, test result is in Table 1.
Embodiment 3
It is in 48 dimethylacetamide solvent that the thermoplastic polyurethane that is 52 by mass fraction joins mass fraction, and stirring and dissolving to uniform state makes mass fraction and be 52% thermoplastic polyurethane solution.
Under room temperature condition, the glass-fiber-fabric of known quality is flooded to 3 ~ 5s in above-mentioned solution, under the glass-fiber-fabric room temperature that taking-up contains thermoplastic polyurethane solution, be placed on 3h in fume hood, be placed on again temperature and be in the vacuum drying oven of 180 ℃ 30min with except residual solution, the glass-fiber-fabric impregnated sheet that preparation gel content is 50%.
According to the thickness of required composite, oven dry is removed to the glass-fiber-fabric impregnated sheet of solution and carry out laying, stack, be placed on vulcanizing press hot-forming, pressure is 4MPa, temperature is 230 ℃, and molding time is 4min, can make this glass-fiber-fabric and strengthen thermoplastic polyurethane composite.The glass-fiber-fabric making is strengthened to thermoplastic polyurethane composite board and according to GB/T 1449-2005, be prepared into the bend specimen of 15mm * 120mm, carry out performance test, test result is in Table 1.
Embodiment 4
It is in 70 dimethyl sulfoxide solvent that the thermoplastic polyurethane that is 30 by mass fraction joins mass fraction, and stirring and dissolving to uniform state makes mass fraction and be 30% thermoplastic polyurethane solution.
Under room temperature condition, the glass-fiber-fabric of known quality is flooded to 3 ~ 5s in above-mentioned solution, under the glass-fiber-fabric room temperature that taking-up contains thermoplastic polyurethane solution, be placed on 3h in fume hood, be placed on again temperature and be in the vacuum drying oven of 190 ℃ 30min with except residual solution, make gel content and be 26% glass-fiber-fabric impregnated sheet.
According to the thickness of required composite, oven dry is removed to the glass-fiber-fabric impregnated sheet of solution and carry out laying, stack, be placed on vulcanizing press hot-forming, pressure is 4MPa, temperature is 220 ℃, and molding time is 6min, can make this glass-fiber-fabric and strengthen thermoplastic polyurethane composite.The glass-fiber-fabric making is strengthened to thermoplastic polyurethane composite board and according to GB/T 1449-2005, be prepared into the bend specimen of 15mm * 120mm, carry out performance test, test result is in Table 1.
Embodiment 5
It is in 55 Y-butyrolactone solvent that the thermoplastic polyurethane that is 45 by mass fraction joins mass fraction, and stirring and dissolving to uniform state makes mass fraction and be 45% thermoplastic polyurethane solution.
Under room temperature condition, the glass-fiber-fabric of known quality is flooded to 3 ~ 5s in above-mentioned solution, under the glass-fiber-fabric room temperature that taking-up contains thermoplastic polyurethane solution, be placed on 3h in fume hood, be placed on again temperature and be in the vacuum drying oven of 200 ℃ 45min with except residual solution, make gel content and be 42% glass-fiber-fabric impregnated sheet.
According to the thickness of required composite, oven dry is removed to the glass-fiber-fabric impregnated sheet of solution and carry out laying, stack, be placed on vulcanizing press hot-forming, pressure is 6MPa, temperature is 240 ℃, and molding time is 2min, can make this glass-fiber-fabric and strengthen thermoplastic polyurethane composite.The glass-fiber-fabric making is strengthened to thermoplastic polyurethane composite board and according to GB/T 1449-2005, be prepared into the bend specimen of 15mm * 120mm, carry out performance test, test result is in Table 1.
Embodiment 6
It is in 40 1-METHYLPYRROLIDONE solvent that the thermoplastic polyurethane that is 60 by mass fraction joins mass fraction, and stirring and dissolving to uniform state makes mass fraction and be 60% thermoplastic polyurethane solution.
Under room temperature condition, the glass-fiber-fabric of known quality is flooded to 3 ~ 5s in above-mentioned solution, under the glass-fiber-fabric room temperature that taking-up contains thermoplastic polyurethane solution, be placed on 3h in fume hood, be placed on again temperature and be in the vacuum drying oven of 200 ℃ 60min with except residual solution, the glass-fiber-fabric impregnated sheet that preparation gel content is 59%.
According to the thickness of required composite, oven dry is removed to the glass-fiber-fabric impregnated sheet of solution and carry out laying, stack, be placed on vulcanizing press hot-forming, pressure is 4MPa, temperature is 230 ℃, and molding time is 4min, can make this glass-fiber-fabric and strengthen thermoplastic polyurethane composite.The glass-fiber-fabric making is strengthened to thermoplastic polyurethane composite board and according to GB/T 1449-2005, be prepared into the bend specimen of 15mm * 120mm, carry out performance test, test result is in Table 1.
Table 1
The present invention compares with existing melt cladding process technology, and without the high temperature of melt cladding process, thermoplastic polyurethane solution at room temperature just can infiltrate glass-fiber-fabric,, and solwution method wellability is better.Solwution method equipment of the present invention is simple, and being immersed in glassware of glass-fiber-fabric just can complete.In addition, in the present invention, prepare thermoplastic polyurethane solution solvent for use and be volatile solvent, can carry out recycling by condensation method, thereby saved raw material, reduced cost, and technique is simple.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (8)
1. prepare the method that glass-fiber-fabric strengthens thermoplastic polyurethane composite, it is characterized in that: preparation process is:
(1) prepare thermoplastic polyurethane solution;
(2) glass-fiber-fabric be impregnated in the thermoplastic polyurethane solution of step (1) gained;
(3) step (2) gained is impregnated with to the glass-fiber-fabric of thermoplastic polyurethane solution, is dried processing, make glass-fiber-fabric impregnated sheet;
(4) glass-fiber-fabric impregnated sheet is hot-forming, obtains this composite.
2. prepare according to claim 1 the method that glass-fiber-fabric strengthens thermoplastic polyurethane composite, it is characterized in that: the mass fraction of the described thermoplastic polyurethane solution of step (1) is 30 ~ 60%.
3. prepare according to claim 2 the method that glass-fiber-fabric strengthens thermoplastic polyurethane composite, it is characterized in that: described thermoplastic polyurethane solution, be that thermoplastic polyurethane is dissolved in solvent, wherein solvent is oxolane, dimethyl formamide, dimethylacetylamide, dimethyl sulfoxide (DMSO), gamma-butyrolacton or 1-METHYLPYRROLIDONE.
4. prepare according to claim 1 the method that glass-fiber-fabric strengthens thermoplastic polyurethane composite, it is characterized in that: in step (2), the dip time of glass-fiber-fabric in thermoplastic polyurethane solution is 3 ~ 5s.
5. prepare according to claim 1 the method that glass-fiber-fabric strengthens thermoplastic polyurethane composite, it is characterized in that: the described dry processing of step (3) is that the glass-fiber-fabric that is impregnated with thermoplastic polyurethane solution is placed on to 2 ~ 3h in fume hood, be positioned over again 30 ~ 60min in vacuum drying oven, after removing residual solution, make glass-fiber-fabric impregnated sheet, wherein the temperature of vacuum drying oven is 160 ~ 200 ℃.
6. prepare according to claim 5 the method that glass-fiber-fabric strengthens thermoplastic polyurethane composite, it is characterized in that: the dry gel content of processing gained glass-fiber-fabric impregnated sheet is 26 ~ 59%.
7. prepare according to claim 1 the method that glass-fiber-fabric strengthens thermoplastic polyurethane composite, it is characterized in that: step (4) is described hot-forming, the thickness by required composite, by glass-fiber-fabric impregnated sheet laying, stack, be placed in hot-forming this composite that makes on vulcanizing press.
8. prepare according to claim 7 the method that glass-fiber-fabric strengthens thermoplastic polyurethane composite, it is characterized in that: described hot-forming required pressure is 4 ~ 6MPa, and temperature is 220 ~ 240 ℃, and molding time is 2 ~ 6min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210216602.1A CN103507278A (en) | 2012-06-27 | 2012-06-27 | Method for preparing glass fiber cloth reinforced thermoplastic polyurethane composite material by solution dipping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210216602.1A CN103507278A (en) | 2012-06-27 | 2012-06-27 | Method for preparing glass fiber cloth reinforced thermoplastic polyurethane composite material by solution dipping method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103507278A true CN103507278A (en) | 2014-01-15 |
Family
ID=49890953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210216602.1A Pending CN103507278A (en) | 2012-06-27 | 2012-06-27 | Method for preparing glass fiber cloth reinforced thermoplastic polyurethane composite material by solution dipping method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103507278A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107011648A (en) * | 2017-06-01 | 2017-08-04 | 哈尔滨工业大学 | A kind of Kevlar fiber cloths enhancing polyureas based composites and preparation method thereof |
| CN107214980A (en) * | 2017-06-27 | 2017-09-29 | 东莞市海旭新材料技术有限公司 | A kind of quick molding method of thermoplastic fiber reinforced composite board |
| CN107283875A (en) * | 2017-06-27 | 2017-10-24 | 东莞市海旭新材料技术有限公司 | It is a kind of based on can thermoplastic fibre composite case and bag and preparation method thereof |
| CN108017897A (en) * | 2017-11-30 | 2018-05-11 | 广西民族大学 | A kind of polyacrylonitrile nanofiber film/Thermoplastic polyurethane composite material and preparation method thereof |
| CN108864687A (en) * | 2018-05-22 | 2018-11-23 | 西南大学 | A kind of silk cocoon enhancing compound polyurethane material, preparation method and application |
| CN109702946A (en) * | 2019-02-03 | 2019-05-03 | 徐云华 | A kind of production method on the soft head of ribbon and its shoestring of production |
-
2012
- 2012-06-27 CN CN201210216602.1A patent/CN103507278A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107011648A (en) * | 2017-06-01 | 2017-08-04 | 哈尔滨工业大学 | A kind of Kevlar fiber cloths enhancing polyureas based composites and preparation method thereof |
| CN107011648B (en) * | 2017-06-01 | 2020-04-24 | 哈尔滨工业大学 | Kevlar fiber cloth reinforced polyurea composite material and preparation method thereof |
| CN107214980A (en) * | 2017-06-27 | 2017-09-29 | 东莞市海旭新材料技术有限公司 | A kind of quick molding method of thermoplastic fiber reinforced composite board |
| CN107283875A (en) * | 2017-06-27 | 2017-10-24 | 东莞市海旭新材料技术有限公司 | It is a kind of based on can thermoplastic fibre composite case and bag and preparation method thereof |
| CN108017897A (en) * | 2017-11-30 | 2018-05-11 | 广西民族大学 | A kind of polyacrylonitrile nanofiber film/Thermoplastic polyurethane composite material and preparation method thereof |
| CN108017897B (en) * | 2017-11-30 | 2021-03-02 | 广西民族大学 | Polyacrylonitrile nanofiber membrane/thermoplastic polyurethane composite material and preparation method thereof |
| CN108864687A (en) * | 2018-05-22 | 2018-11-23 | 西南大学 | A kind of silk cocoon enhancing compound polyurethane material, preparation method and application |
| CN109702946A (en) * | 2019-02-03 | 2019-05-03 | 徐云华 | A kind of production method on the soft head of ribbon and its shoestring of production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103507278A (en) | Method for preparing glass fiber cloth reinforced thermoplastic polyurethane composite material by solution dipping method | |
| CN107187078B (en) | carbon fiber prepreg rapid compression molding process | |
| CN101638321B (en) | Method for preparing carbon/carbon composite profiles | |
| CN104031376B (en) | Continuous carbon fibre enhancing Phthalazinone poly (arylene ether nitrile) resin based composites and preparation method thereof | |
| CN102617984A (en) | Modified epoxy resin matrix material and modified epoxy resin-based composite material | |
| CN106626439A (en) | Preparation method of low-cost and large-tow 48K carbon fiber preimpregnated cloth and composite material thereof | |
| CN101913276A (en) | Poly(arylene ether nitrile) resin and fiber fabric laminated composite material and preparation method thereof | |
| CN107513160A (en) | Fibre reinforced Phthalazinone copolymerization aryl ether sulfone thermoplastic blends matrix composite compatilizer, preparation method and application | |
| CN102876041A (en) | Fibre cloth reinforced modified polyarylene sulfide sulfone composite material and preparation method thereof | |
| CN105482141A (en) | Continuous fiber reinforced thermosetting resin matrix composite material and preparation method thereof | |
| CN105694421A (en) | Fiber-reinforced thermoplastic composite material and preparation method thereof | |
| CN107351469A (en) | Carbon fiber reinforced polymer-based composite board and preparation method thereof | |
| CN105504750B (en) | A kind of continuous carbon fibre polycarbafil composite and preparation method thereof | |
| CN1333010C (en) | Method for preparing composite material based on Teflon enhanced by dense fibers | |
| CN207207293U (en) | Carbon fiber reinforced polymer-based composite board | |
| CN204955474U (en) | Solidification equipment behind hollow section bar of pultrusion combined material | |
| CN104057622A (en) | Two-stage forming process for carbon fiber composite | |
| CN114131785A (en) | Preparation method of high-temperature-resistant thermoplastic composite material unidirectional prepreg tape | |
| CN1603363A (en) | Preparation for continuous fibre reinforced poly(phthalazinone ehter sulfone ketone) composite materials | |
| CN103524695A (en) | Glass fiber reinforced thermoplastic polyurethane composite material and preparation method thereof | |
| CN112477200A (en) | Method for recycling waste filter bags | |
| CN1284741C (en) | Reinforced concrete structure plate and its prepn process | |
| CN104098875A (en) | Continuous fiber-enhanced CBT prepreg, and preparation method and application thereof | |
| CN113652073B (en) | Continuous carbon fiber reinforced poly (arylene ether nitrile) composite prepreg tape and preparation method thereof | |
| CN113652086B (en) | Fiber fabric reinforced polyether sulphone composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140115 |