CN103507279A - Corrugated hollow plate and manufacturing method thereof - Google Patents
Corrugated hollow plate and manufacturing method thereof Download PDFInfo
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- CN103507279A CN103507279A CN201210199472.5A CN201210199472A CN103507279A CN 103507279 A CN103507279 A CN 103507279A CN 201210199472 A CN201210199472 A CN 201210199472A CN 103507279 A CN103507279 A CN 103507279A
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- prepreg
- hollow sheeting
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- fibre
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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
- 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
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
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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
- B29B11/00—Making preforms
- B29B11/06—Making preforms by moulding the material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
- F16S1/00—Sheets, panels, or other members of similar proportions; Constructions comprising assemblies of such members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
Abstract
The invention relates to a corrugated hollow plate and a manufacturing method thereof. The corrugated hollow plate is manufactured by cutting prepreg prepared by continuous fiber enhanced thermoplastic resin, laying the prepreg in a forming machine, locking a die after placing an inflation core, thermally forming, finally maintaining pressure and cooling. Compared with the prior art, the corrugated hollow plate has advantages of low cost, not high technology requirement, greening, environmental protection, high intensity, high modulus, good corrosion resistance, good water tolerance, inertia to a plurality of acids and alkalis, non-conduction, high dielectric strength, simple processing, easy cleaning, no need of special storage condition and long storage life, can be 100% recovered, and belongs to a green product technology.
Description
Technical field
The invention belongs to technical field of polymer materials, especially relate to a kind of continuous fibre enhancement resin prepreg made ripple hollow board material and forming method thereof.
Background technology
At present, hollow sheeting, as a kind of environment-friendly type plastic sheet material, is widely used in building trade, advertising sector, agricultural, the association areas such as indoor culture industry and packaging industry.At present, it is raw material that hollow sheeting adopts the relevant plastics such as PP, PC, PE, PVC, ABS mostly, by disposable expressing technique, processes.The sheet material that it includes panel and framework and is connected to equidistant setting between the two, has light weight, feature attractive in appearance, nontoxic, anticorrosion and fire-retardant, and there is certain heat insulating effect.But the hollow sheeting template of prior art is single, although whole one direction intensity is high, relative vertical direction intensity difference, self overlap joint or more difficult with other section bars overlap joint match ratios.
Chinese patent CN101298940A discloses a kind of sunlight hollow board and manufacture method thereof, by extruding through high-temperature fusion in PC major ingredient and each comfortable extruder of ultra-violet absorber, in mould, converges, and through shaping platform sizing, annealing in process makes.This hollow sheeting has certain anti-uv-ray, but mechanical property is strong not.
Continuous fiber thermoplasticity strengthens sheet material and is widely used because it has good mechanical property, but because its cost is higher, therefore can not be promoted widely.
Summary of the invention
Object of the present invention is exactly to provide a kind of ripple hollow sheeting and preparation method thereof in order to overcome the defect of above-mentioned prior art existence, by continuous fiber reinforced thermoplastic resin, made, and be high, the impact-resistant New-type hollow board of a kind of intensity.
Object of the present invention can be achieved through the following technical solutions:
A preparation method for ripple hollow sheeting, comprises the following steps:
(1) by continuous fiber after mechanical roller press-stretched fibre, then can the two extrusion die group extruding thermoplastic resins of folding the fibre bundle of opening up fibre and obtaining be infiltrated compound through staggered, then roll-forming, is wound around curling mode with roller, makes banded prepreg;
(2) banded prepreg is carried out to cutting according to technological requirement, according to continuous fiber direction in prepreg, in the mode of 0 °/90 °, carry out lay;
(3) in the intermediate layer of the prepreg of lay, put into the aerated core that sprayed releasing agent, and core is inflated and fixed;
(4) on prepreg, place release materials, then put into forming machine, carry out without pressure matched moulds, preheating after matched moulds, the melt temperature that control preheat temperature is prepreg;
(5) after preheating 3-10min, prepreg is softening, and lower bolster temperature reaches after the melt temperature of material, and pressure is adjusted to 0.6-2.5MPa heat-insulation pressure keeping;
(6) after insulation 8-10min, close template heating, carry out cooling;
(7) in cooling procedure, the every reduction of temperature of charge 10-20 ℃, pressure increases 0.3-0.5MPa, is cooled to after material softening temperature, keeps pressure,
(8) open valve, by after core venting, continue coolingly, when being cooled to room temperature, taking out exemplar and make and obtain ripple hollow sheeting.
Described continuous fiber is inorfil, organic fiber or metallic fiber, comprises glass fibre, basalt fibre, carbon fiber, aramid fiber, polyster fibre or stainless steel fibre.
Described thermoplastic resin comprises polypropylene, polyethylene, polyvinyl chloride, polymethyl methacrylate, Merlon, ABS or polyamide.
Described prepreg can also add one or more in ultraviolet absorber, fire retardant or antistatic additive in manufacturing process.
Described aerated core is high temperature high voltage resistant rubber mandrel, and the inner membrane material of aerated core is high temperature high voltage resistant quality of rubber materials, resistance to 260 ℃ of above temperature high pressure resistant.
Preferably, described high temperature high voltage resistant rubber is selected from and fluoridizes the fine rubber of phosphorus, perfluoroelastomers, perfluoro alkyl triazine rubber, boron-silicon rubber.
Forming machine adopts mold pressing thermoforming to carry out laminated into type.
Forming machine adopts heat-conducting oil heating, electrical heating, electromagnetic radiation to heat.
Described releasing agent is selected from the releasing agent containing solvent-borne type silicon class.
A kind of ripple hollow sheeting that adopts above-mentioned preparation method to make and obtain.
Compared with prior art, the present invention has the following advantages and beneficial effect:
1, ripple hollow sheeting of the present invention, comprises the selection to prepreg raw material and forming method, can accomplish that equipment is simple, and cheap, technological requirement is not high, environmental protection.
2, the ripple hollow sheeting that laminating of the present invention is produced, can be used for exterior wall, compartment, basement, stomach wall, soundproof wall, outer muscle wallboard etc. by alternative composite cement hollow sheeting.
3, the present invention adopts ripple hollow sheeting that this method is produced to compare other water hollow sheetings to have following advantage: intensity is high, and modulus is high; Corrosion-resistant, water-tolerant, is inertia to multiple acid, alkali; Non-conductive, dielectric strength is high; Process easy, easy to clean; Do not need special storage requirement, storage life is long; Briquetting pressure and temperature are low, can reduce die cost; Molding cycle is short, can repeat moulding; Design flexibility is good, can select suitable kinds of fibers, fiber content and fiber to be orientated to meet the requirement of concrete purposes; Production waste and whole goods all can 100% reclaim, and belong to " green " product technology.
Accompanying drawing explanation
Fig. 1 is for making the structural representation of the ripple hollow sheeting obtaining.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
Continuous glass fiber reinforced polypropylene hollow sheeting
It is raw material that this example is chosen continuous glass fiber reinforced polypropylene, and the specification of making ripple hollow sheeting is 2400mm*1500mm*50mm, and prepreg is pressed to specification cutting.In 0 °/90 ° modes, carry out lay; the prepreg thickness of institute's lay is 15mm; on prepreg, place the inflation of processing through releasing agent and fluoridize the fine rubber mandrel of phosphorus, core is inflated, the blowing pressure is 0.05MPa; then be fixed; in the time of fixedly, for preventing that core from sliding, can, according to pitch-row, make the fixture that is relatively fixed; after being fixed, then carry out lay 15mm prepreg in 0 °/90 ° modes.Then place mould, move into hot press.
Two templates up and down of laminating machine, the heating-up temperature of two templates is: 190 ℃, without pressure matched moulds, carry out preheating.After preheating 5-10min, material starts to soften, and pressure is upgraded to 1MPa, after insulation 10min, closes cope match-plate pattern heating, and it is cooling that lower bolster carries out water flowing.In cooling procedure, 10 ℃ of the every reductions of temperature of charge, pressure increases 0.3MPa, is cooled to after material vitrification point, the air valve of core is opened, and venting, takes out core.Continue water flowing cooling, pressurize, to be cooled to room temperature, ripple hollow sheeting product is taken out in die sinking, and structure is as shown in Figure 1.
Embodiment 2
Continuous glass fibre reinforced polyamide corrugated plating
It is raw material that this example is chosen continuous glass fibre reinforced polyamide, and the specification of making corrugated plating is 2600mm*1500mm*70mm, and prepreg is pressed to specification cutting.In 0 °/90 ° modes, carry out lay, the prepreg thickness of institute's lay is 20mm, places the inflation perfluoroelastomers core of processing through releasing agent on prepreg; core is inflated; the blowing pressure is 0.05Mpa, be then fixed, in the time of fixedly for preventing that core from sliding; can be according to pitch-row; the making fixture that is relatively fixed, is fixed, after in 0 °/90 ° modes, carry out lay 20mm prepreg; then place mould, move into hot press.
Two templates up and down of laminating machine, the heating-up temperature of two templates is: 230 ℃, without pressure matched moulds, carry out preheating.After preheating 5-10min, material starts to soften, and pressure is upgraded to 1MPa, after insulation 20min, closes cope match-plate pattern heating, and it is cooling that lower bolster carries out water flowing.In cooling procedure, 10 ℃ of the every reductions of temperature of charge, pressure increases 0.3MPa, is cooled to after material vitrification point, the air valve of core is opened, and venting, takes out core.Continue water flowing cooling, pressurize, to be cooled to room temperature, sheet material is taken out in die sinking.
Embodiment 3
A preparation method for ripple hollow sheeting, comprises the following steps:
(1) by continuous basalt fiber after mechanical roller press-stretched fibre, through staggered, can the two extrusion die groups of folding extrude the polyvinyl resin that has added ultraviolet absorber and fire retardant again, fibre bundle is infiltrated to compound obtaining through thermoplastic resin impregnated continuous fiber, then roll-forming, with roller, be wound around curling mode, make banded prepreg;
(2) banded prepreg is carried out to cutting according to technological requirement, according to continuous fiber direction in prepreg, in the mode of 0 °/90 °, carry out lay;
(3) in the intermediate layer of the prepreg of lay, put into the aerated core spraying containing the releasing agent of solvent-borne type silicon class, and core is inflated and fixed, the aerated core using is perfluoro alkyl triazine rubber core, and the inner membrane material of aerated core is perfluoro alkyl triazine rubber;
(4) on prepreg, place release materials, then put into forming machine, carry out without pressure matched moulds, preheating after matched moulds, the melt temperature that control preheat temperature is prepreg;
(5) after preheating 3min, prepreg is softening, and lower bolster temperature reaches after the melt temperature of material, and pressure is adjusted to 0.6MPa heat-insulation pressure keeping, and it is laminated into type that forming machine adopts mold pressing thermoforming to carry out, and adopts conduction oil to heat;
(6) after insulation 8min, close template heating, carry out cooling;
(7) in cooling procedure, 10 ℃ of the every reductions of temperature of charge, pressure increases 0.3MPa, is cooled to after material softening temperature, keeps pressure,
(8) open valve, by after core venting, continue coolingly, when being cooled to room temperature, taking out exemplar and make and obtain ripple hollow sheeting.
Embodiment 4
A preparation method for ripple hollow sheeting, comprises the following steps:
(1) by continuous aramid fiber after mechanical roller press-stretched fibre, through staggered, can the two extrusion die groups of folding extrude the polymethyl methacrylate that has added ultraviolet absorber and fire retardant again, fibre bundle is infiltrated to compound obtaining through thermoplastic resin impregnated continuous fiber, then roll-forming, with roller, be wound around curling mode, make banded prepreg;
(2) banded prepreg is carried out to cutting according to technological requirement, according to continuous fiber direction in prepreg, in the mode of 0 °/90 °, carry out lay;
(3) in the intermediate layer of the prepreg of lay, put into the aerated core spraying containing the releasing agent of solvent-borne type silicon class, and core is inflated and fixed, the aerated core of use is boron-silicon rubber; The inner membrane material boron-silicon rubber of aerated core;
(4) on prepreg, place release materials, then put into forming machine, carry out without pressure matched moulds, preheating after matched moulds, the melt temperature that control preheat temperature is prepreg;
(5) after preheating 5min, prepreg is softening, and lower bolster temperature reaches after the melt temperature of material, and pressure is adjusted to 2MPa heat-insulation pressure keeping, and it is laminated into type that forming machine adopts mold pressing thermoforming to carry out, and adopts conduction oil to heat;
(6) after insulation 9min, close template heating, carry out cooling;
(7) in cooling procedure, 15 ℃ of the every reductions of temperature of charge, pressure increases 0.4MPa, is cooled to after material softening temperature, keeps pressure,
(8) open valve, by after core venting, continue coolingly, when being cooled to room temperature, taking out exemplar and make and obtain ripple hollow sheeting.
Embodiment 5
A preparation method for ripple hollow sheeting, comprises the following steps:
(1) by continuous stainless steel fibre after mechanical roller press-stretched fibre, through staggered, can the two extrusion die groups of folding extrude the ABS resin that has added antistatic additive again, fibre bundle is infiltrated to compound obtaining through thermoplastic resin impregnated continuous fiber, then roll-forming, with roller, be wound around curling mode, make banded prepreg;
(2) banded prepreg is carried out to cutting according to technological requirement, according to continuous fiber direction in prepreg, in the mode of 0 °/90 °, carry out lay;
(3) in the intermediate layer of the prepreg of lay, put into the aerated core spraying containing the releasing agent of solvent-borne type silicon class, and core is inflated and fixed, the aerated core of use is for fluoridizing the fine rubber of phosphorus, and the inner membrane material of aerated core is for fluoridizing the fine rubber of phosphorus;
(4) on prepreg, place release materials, then put into forming machine, carry out without pressure matched moulds, preheating after matched moulds, the melt temperature that control preheat temperature is prepreg;
(5) after preheating 10min, prepreg is softening, and lower bolster temperature reaches after the melt temperature of material, and pressure is adjusted to 2.5MPa heat-insulation pressure keeping, and it is laminated into type that forming machine adopts mold pressing thermoforming to carry out, and adopts conduction oil to heat;
(6) after insulation 8min, close template heating, carry out cooling;
(7) in cooling procedure, 20 ℃ of the every reductions of temperature of charge, pressure increases 0.5MPa, is cooled to after material softening temperature, keeps pressure,
(8) open valve, by after core venting, continue coolingly, when being cooled to room temperature, taking out exemplar and make and obtain ripple hollow sheeting.
The performance test data of the product that wherein embodiment 1-3 makes is as table 1
Table 1
The above-mentioned description to embodiment is can understand and use the present 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 above-described embodiment, 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 (10)
1. a preparation method for ripple hollow sheeting, is characterized in that, the method comprises the following steps:
(1) continuous fiber is after mechanical roller press-stretched fibre, then can the two extrusion die group extruding thermoplastic resins of folding the fibre bundle of opening up fibre and obtaining infiltrated compound through staggered, and then roll-forming, is wound around curling mode with roller, makes banded prepreg;
(2) banded prepreg is carried out to cutting according to technological requirement, according to continuous fiber direction in prepreg, in the mode of 0 °/90 °, carry out lay;
(3) in the intermediate layer of the prepreg of lay, put into the aerated core that sprayed releasing agent, and core is inflated and fixed;
(4) on prepreg, place release materials, then put into forming machine, carry out without pressure matched moulds, preheating after matched moulds, the melt temperature that control preheat temperature is prepreg;
(5) after preheating 3-10min, prepreg is softening, and lower bolster temperature reaches after the melt temperature of material, and pressure is adjusted to 0.6-2.5MPa heat-insulation pressure keeping;
(6) after insulation 8-10min, close template heating, carry out cooling;
(7) in cooling procedure, the every reduction of temperature of charge 10-20 ℃, pressure increases 0.3-0.5MPa, is cooled to after material softening temperature, keeps pressure,
(8) open valve, by after core venting, continue coolingly, when being cooled to room temperature, taking out exemplar and make and obtain ripple hollow sheeting.
2. the preparation method of a kind of ripple hollow sheeting according to claim 1, it is characterized in that, described continuous fiber is inorfil, organic fiber or metallic fiber, comprises glass fibre, basalt fibre, carbon fiber, aramid fiber, polyster fibre or stainless steel fibre.
3. the preparation method of a kind of ripple hollow sheeting according to claim 1, is characterized in that, described thermoplastic resin comprises polypropylene, polyethylene, polyvinyl chloride, polymethyl methacrylate, Merlon, ABS or polyamide.
4. the preparation method of a kind of ripple hollow sheeting according to claim 1, is characterized in that, described prepreg can also add one or more in ultraviolet absorber, fire retardant or antistatic additive in manufacturing process.
5. the preparation method of a kind of ripple hollow sheeting according to claim 1, it is characterized in that, described aerated core is high temperature high voltage resistant rubber mandrel, and the inner membrane material of aerated core is high temperature high voltage resistant rubber mandrel material, resistance to 260 ℃ of above temperature high pressure resistant.
6. the preparation method of a kind of ripple hollow sheeting according to claim 5, is characterized in that, described high temperature high voltage resistant rubber is selected from fluoridizes the fine rubber of phosphorus, perfluoroelastomers, perfluoro alkyl triazine rubber or boron-silicon rubber.
7. the preparation method of a kind of ripple hollow sheeting according to claim 1, is characterized in that, forming machine adopts mold pressing thermoforming to carry out laminated into type.
8. the preparation method of a kind of ripple hollow sheeting according to claim 1, is characterized in that, forming machine adopts heat-conducting oil heating, electrical heating, electromagnetic radiation to heat.
9. the preparation method of a kind of ripple hollow sheeting according to claim 1, is characterized in that, described release materials is selected from the releasing agent containing solvent-borne type silicon class.
10. the ripple hollow sheeting that the method as described in as arbitrary in claim 1～8 makes.
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| CN201210199472.5A CN103507279B (en) | 2012-06-15 | 2012-06-15 | A kind of ripple hollow sheeting and preparation method thereof |
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| CN201210199472.5A CN103507279B (en) | 2012-06-15 | 2012-06-15 | A kind of ripple hollow sheeting and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175616A (en) * | 2014-09-16 | 2014-12-03 | 哈尔滨工业大学 | Honeycomb-type composite material laminboard and hot press molding method thereof |
| CN106956492A (en) * | 2017-03-22 | 2017-07-18 | 哈尔滨工业大学 | A kind of High Performance Thermoplastic Composites truss core flat board and preparation method thereof |
| CN107848226A (en) * | 2015-07-16 | 2018-03-27 | Mpr有限责任两合公司 | The parts being made up of composite with and preparation method thereof |
| CN109750364A (en) * | 2019-03-19 | 2019-05-14 | 青岛大学 | A kind of technique preparing the doughnut based on electrostriction material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919575A (en) * | 2006-07-19 | 2007-02-28 | 成都飞机工业（集团）有限责任公司 | Pressure-inverse molding manufacture mould |
| CN101886735A (en) * | 2009-05-14 | 2010-11-17 | 管印贵 | Fiber reinforced thermoplastics composite material section bar and molding technology |
| CN101890814A (en) * | 2010-07-08 | 2010-11-24 | 哈尔滨工业大学 | Preparation method of hollow round tube pyramid type completely composite material lattice laminboard |
| CN102476475A (en) * | 2010-11-30 | 2012-05-30 | 辽宁杰事杰新材料有限公司 | Honeycomb-structure sheet material having fiber-reinforced thermoplastic skin and preparation method thereof |
-
2012
- 2012-06-15 CN CN201210199472.5A patent/CN103507279B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919575A (en) * | 2006-07-19 | 2007-02-28 | 成都飞机工业（集团）有限责任公司 | Pressure-inverse molding manufacture mould |
| CN101886735A (en) * | 2009-05-14 | 2010-11-17 | 管印贵 | Fiber reinforced thermoplastics composite material section bar and molding technology |
| CN101890814A (en) * | 2010-07-08 | 2010-11-24 | 哈尔滨工业大学 | Preparation method of hollow round tube pyramid type completely composite material lattice laminboard |
| CN102476475A (en) * | 2010-11-30 | 2012-05-30 | 辽宁杰事杰新材料有限公司 | Honeycomb-structure sheet material having fiber-reinforced thermoplastic skin and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张玉龙 张永侠 主编: "《塑料模压成型工艺与实例》", 28 February 2011, 化学工业出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175616A (en) * | 2014-09-16 | 2014-12-03 | 哈尔滨工业大学 | Honeycomb-type composite material laminboard and hot press molding method thereof |
| CN107848226A (en) * | 2015-07-16 | 2018-03-27 | Mpr有限责任两合公司 | The parts being made up of composite with and preparation method thereof |
| CN106956492A (en) * | 2017-03-22 | 2017-07-18 | 哈尔滨工业大学 | A kind of High Performance Thermoplastic Composites truss core flat board and preparation method thereof |
| CN109750364A (en) * | 2019-03-19 | 2019-05-14 | 青岛大学 | A kind of technique preparing the doughnut based on electrostriction material |
| CN109750364B (en) * | 2019-03-19 | 2021-03-16 | 青岛大学 | Process for preparing hollow fiber based on electrostrictive material |
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| CN103507279B (en) | 2017-06-20 |
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Effective date of registration: 20230620 Granted publication date: 20170620 |