CN107686658A - New Tough Bismaleimide Resins cyanate ester resin prepreg and preparation method thereof - Google Patents
New Tough Bismaleimide Resins cyanate ester resin prepreg and preparation method thereof Download PDFInfo
- Publication number
- CN107686658A CN107686658A CN201610632291.5A CN201610632291A CN107686658A CN 107686658 A CN107686658 A CN 107686658A CN 201610632291 A CN201610632291 A CN 201610632291A CN 107686658 A CN107686658 A CN 107686658A
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- Prior art keywords
- resin
- cyanate ester
- film
- ester resin
- prepreg
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- Pending
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- 229920005989 resin Polymers 0.000 title claims abstract description 170
- 239000011347 resin Substances 0.000 title claims abstract description 170
- 239000004643 cyanate ester Substances 0.000 title claims abstract description 65
- 229920003192 poly(bis maleimide) Polymers 0.000 title claims abstract description 49
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000004744 fabric Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 238000005470 impregnation Methods 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 238000007731 hot pressing Methods 0.000 claims abstract description 5
- 239000010408 film Substances 0.000 claims abstract description 3
- 239000004698 Polyethylene Substances 0.000 claims description 28
- 229920000573 polyethylene Polymers 0.000 claims description 28
- 239000003292 glue Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 17
- 239000012943 hotmelt Substances 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 7
- 239000004760 aramid Substances 0.000 claims description 6
- 229920003235 aromatic polyamide Polymers 0.000 claims description 6
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 239000010453 quartz Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- XLJMAIOERFSOGZ-UHFFFAOYSA-N cyanic acid Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 claims 2
- 150000002148 esters Chemical class 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 229920005992 thermoplastic resin Polymers 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 3
- 238000007711 solidification Methods 0.000 abstract description 2
- 230000008023 solidification Effects 0.000 abstract description 2
- 239000012779 reinforcing material Substances 0.000 description 15
- 230000003014 reinforcing effect Effects 0.000 description 7
- 229920001721 polyimide Polymers 0.000 description 6
- 239000009719 polyimide resin Substances 0.000 description 6
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 150000003949 imides Chemical class 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08L79/085—Unsaturated polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention provides a kind of New Tough Bismaleimide Resins cyanate ester resin prepreg and preparation method thereof, method includes：Cyanate ester resin is melted；Bimaleimide resin is added, stirring, is well mixed cyanate ester resin and bimaleimide resin；Coating forms resin film；And be impregnated with the resin film and fiber or fabric hot pressing, obtain New Tough Bismaleimide Resins cyanate ester resin prepreg.The prepreg improves the toughness of composite after prepreg solidification, and this method uses thermoplastic resin, can obtain prepreg without baking after impregnation, improves production efficiency.
Description
Technical field
It is pre- more particularly, to a kind of New Tough Bismaleimide Resins cyanate ester resin the present invention relates to Material Field
Leaching material and preparation method thereof.
Background technology
Cyanate ester resin (Cyanata resin abbreviation CE), has excellent combination property, be containing two or two with
The novel high-performance resin of upper cyanate functional group (- OCN), Aero-Space, weaponry, naval vessels ship and electricity can be applied to
The fields such as sub-information equipment, it is a kind of high-performance basic resin with good prospect.
In the prior art, compound or painting is passed through for the preparation of cyanate prepreg, cyanate generally after modification
Brush after fabric surface, it is necessary to which prepreg can just be obtained in an oven by heating, but prepreg prepared by this method is consolidated
The poor toughness of composite after change, and temperature and quality control difficulty are larger in preparation process, cause production efficiency relatively low, it is unfavorable
In the production in enormous quantities of prepreg.
The content of the invention
The present invention provides a kind of cyanate ester resin prepreg of toughening modifying, and it is pre- that this prepreg improves former common cyanate
The toughness and impact resistance of composite after solidification are expected in leaching, and thermoplastic resin is used in preparation process, without baking after impregnation
Obtain prepreg, production efficiency height and steady quality.
The invention provides a kind of method for preparing New Tough Bismaleimide Resins cyanate ester resin prepreg, its feature
It is, including：Cyanate ester resin is melted；Bimaleimide resin is added, stirring, makes cyanate ester resin and bismaleimide
Polyimide resin is well mixed；Coating forms resin film；And be impregnated with the resin film and fiber or fabric hot pressing, obtain span
Imide resin toughness reinforcing cyanate ester resin prepreg.
In the above-mentioned methods, wherein, cyanate ester resin melting is included heat molten type cyanate ester resin melting to flowing shape
State.
In the above-mentioned methods, wherein, heat molten type cyanate ester resin is melted into flow regime at a temperature of 90~95 DEG C.
In the above-mentioned methods, wherein, adding bimaleimide resin includes the cyanate ester resin addition of every 100 parts by weight
The bimaleimide resin of 5~100 parts by weight.
In the above-mentioned methods, wherein, adding bimaleimide resin includes the cyanate ester resin addition of every 100 parts by weight
The bimaleimide resin of 40~60 parts by weight.
In the above-mentioned methods, wherein, the time of the stirring is at least 15min.
In the above-mentioned methods, wherein, it is to come well mixed cyanate ester resin and span that the coating, which forms resin film,
The mixture of imide resin is poured into the hot melt glue groove of film applicator, is coated to the mixture by the film applicator release
On paper, and cover polyethylene film and wind to obtain resin film.
In the above-mentioned methods, wherein, the temperature of the hot melt glue groove is 90~95 DEG C.
In the above-mentioned methods, wherein, the resin film and the fiber or fabric hot pressing impregnation are included the resin
Film throws off the polyethylene film, clips the fiber or fabric up and down with the resin film and enters heating roll-in impregnation area, makes institute
State resin film and fully infiltrate the fiber or fabric, throw off the release liners, the span is obtained after covering polyethylene film winding
Bismaleimide resin toughness reinforcing cyanate ester resin prepreg.
In the above-mentioned methods, wherein, the temperature in the heating roll-in impregnation area is 125~135 DEG C.
In the above-mentioned methods, wherein, the fiber or fabric be aramid fiber yarn, aramid fabric, quartz fabric, glass-fiber-fabric one kind or
Person is a variety of.
Present invention also offers a kind of New Tough Bismaleimide Resins cyanate ester resin prepared according to above method is pre-
Leaching material.
By the preparation method of New Tough Bismaleimide Resins cyanate ester resin prepreg provided by the invention, obtain
The prepreg of toughness enhancing, be advantageous to expand the application of cyanate ester resin prepreg, and the present invention uses thermoplastic resin,
Prepreg is can obtain without baking after impregnation, preparation technology is simple, temperature system easy to control the quality, improves the production effect of prepreg
Rate, be advantageous to the mass production of prepreg.
Brief description of the drawings
Fig. 1 shows the signal of the method for preparing New Tough Bismaleimide Resins cyanate ester resin prepreg of the present invention
Property flow chart.
Embodiment
The following examples can make those skilled in the art that the present invention be more fully understood, but not limit in any way
The present invention.
100 parts of heat molten type cyanate ester resins are melted to flow regime under conditions of 90~95 DEG C, then add span
Bismaleimide resin (BMI) powder.The amount of BMI resins is generally 5~100 parts, and preferably scope is 40~60 parts, above-mentioned number
It is by weight.
By BMI resins and cyanate ester resin stirring at least 15min, it is well mixed cyanate ester resin and BMI resins, then
Pour into the hot melt glue groove of film applicator, the temperature of glue groove is generally 90~95 DEG C, and release liners are applied resin to by film applicator
On, and cover polyethylene (PE) film and wind to obtain resin film.
Resin film is thrown off into PE films, clips the reinforcing materials such as fiber or fabric up and down with resin film into 125~135 DEG C
Heat roll-in impregnation area so that resin film fully infiltrates reinforcing material, throws off release liners above, and is obtained after covering the winding of PE films
New Tough Bismaleimide Resins cyanate ester resin prepreg.Fiber or fabric are aramid fiber yarn, aramid fabric, quartz fabric, glass-fiber-fabric
One or more.
Embodiment one
100 parts of heat molten type cyanate ester resins are melted to flow regime under conditions of 90 DEG C, then add 20 parts of pair
Maleimide (BMI) toner.
By BMI toners and cyanate ester resin stirring 20min, it is well mixed cyanate ester resin and BMI resins, then
To pour into the hot melt glue groove of film applicator, the temperature for heating glue groove is 93 DEG C, is applied resin to by film applicator in release liners, and
Covering PE films wind to obtain resin film.
Resin film is thrown off into PE films, reinforcing material aramid fiber yarn is clipped up and down with resin film and contains into 130 DEG C of heating roll-in
Soak area so that resin film fully infiltrates reinforcing material, throws off release liners above, bismaleimide is obtained after covering PE film windings
Polyimide resin toughness reinforcing cyanate ester resin prepreg.
Embodiment two
100 parts of heat molten type cyanate ester resins are melted to flow regime under conditions of 95 DEG C, then add 40 parts of pair
Maleimide (BMI) toner.
By BMI toners and cyanate ester resin stirring 15min, it is well mixed cyanate ester resin and BMI resins, then
To pour into the hot melt glue groove of film applicator, the temperature for heating glue groove is 95 DEG C, is applied resin to by film applicator in release liners, and
Covering PE films wind to obtain resin film.
Resin film is thrown off into PE films, reinforcing material aramid fabric is clipped up and down with resin film and contains into 130 DEG C of heating roll-in
Soak area so that resin film fully infiltrates reinforcing material, throws off release liners above, bismaleimide is obtained after covering PE film windings
Polyimide resin toughness reinforcing cyanate ester resin prepreg.
Embodiment three
100 parts of heat molten type cyanate ester resins are melted to flow regime under conditions of 93 DEG C, then add 60 parts of pair
Maleimide (BMI) toner.
By BMI toners and cyanate ester resin stirring 25min, it is well mixed cyanate ester resin and BMI resins, then
To pour into the hot melt glue groove of film applicator, the temperature for heating glue groove is 95 DEG C, is applied resin to by film applicator in release liners, and
Covering PE films wind to obtain resin film.
Resin film is thrown off into PE films, the reinforcing material being made up of aramid fabric and quartz fabric is clipped up and down with resin film and enters
135 DEG C of heating roll-in impregnation area so that resin film fully infiltrates reinforcing material, throws off release liners above, and covering PE films are received
New Tough Bismaleimide Resins cyanate ester resin prepreg is obtained after volume.
Example IV
100 parts of heat molten type cyanate ester resins are melted to flow regime under conditions of 90 DEG C, then add 50 parts of pair
Maleimide (BMI) toner.
By BMI toners and cyanate ester resin stirring 20min, it is well mixed cyanate ester resin and BMI resins, then
To pour into the hot melt glue groove of film applicator, the temperature for heating glue groove is 93 DEG C, is applied resin to by film applicator in release liners, and
Covering PE films wind to obtain resin film.
Resin film is thrown off into PE films, reinforcing material glass-fiber-fabric is clipped up and down with resin film and contains into 130 DEG C of heating roll-in
Soak area so that resin film fully infiltrates reinforcing material, throws off release liners above, bismaleimide is obtained after covering PE film windings
Polyimide resin toughness reinforcing cyanate ester resin prepreg.
Embodiment five
100 parts of heat molten type cyanate ester resins are melted to flow regime under conditions of 93 DEG C, then add 5 parts of span
Carry out acid imide (BMI) toner.
By BMI toners and cyanate ester resin stirring 25min, it is well mixed cyanate ester resin and BMI resins, then
To pour into the hot melt glue groove of film applicator, the temperature for heating glue groove is 90 DEG C, is applied resin to by film applicator in release liners, and
Covering PE films wind to obtain resin film.
Resin film is thrown off into PE films, reinforcing material glass-fiber-fabric is clipped up and down with resin film and contains into 125 DEG C of heating roll-in
Soak area so that resin film fully infiltrates reinforcing material, throws off release liners above, bismaleimide is obtained after covering PE film windings
Polyimide resin toughness reinforcing cyanate ester resin prepreg.
Embodiment six
100 parts of heat molten type cyanate ester resins are melted to flow regime under conditions of 90 DEG C, then add 100 parts of pair
Maleimide (BMI) toner.
By BMI toners and cyanate ester resin stirring 40min, it is well mixed cyanate ester resin and BMI resins, then
To pour into the hot melt glue groove of film applicator, the temperature for heating glue groove is 95 DEG C, is applied resin to by film applicator in release liners, and
Covering PE films wind to obtain resin film.
Resin film is thrown off into PE films, reinforcing material aramid fabric is clipped up and down with resin film and contains into 135 DEG C of heating roll-in
Soak area so that resin film fully infiltrates reinforcing material, throws off release liners above, bismaleimide is obtained after covering PE film windings
Polyimide resin toughness reinforcing cyanate ester resin prepreg.
Bimaleimide resin (BMI) has excellent heat resistance, radiation resistance, anti-flammability, good mechanical property
And dimensional stability.Cyanate ester resin is modified with BMI resins, in-OCN the functional groups in cyanate ester resin and BMI rings
Active hydrogen reaction on unsaturated double-bond, it can obtain IPN (interpenetrating polymer networks) structure.Tg (the glass of obtained compound resin
Glass transition temperature) more than 250 DEG C, and because BMI resins and cyanate ester resin react the pyrimidine and pyridine structure of generation, its
Shock resistance improves.Afterwards due to having infiltrated reinforcing material so that the toughness and impact resistance of prepreg further enhance.
The prepreg of toughness enhancing has been obtained by the preparation method of the present invention, has been advantageous to expand cyanate ester resin prepreg
Application, and the present invention use thermoplastic resin, after impregnation without baking be can obtain prepreg, preparation technology is simple,
Temperature system easy to control the quality, the production efficiency of prepreg is improved, is advantageous to the mass production of prepreg.
It will be understood by those skilled in the art that above example is only exemplary embodiment, in the spirit without departing substantially from the present invention
In the case of scope, a variety of changes can be carried out, replaces and changes.
Claims (12)
- A kind of 1. method for preparing New Tough Bismaleimide Resins cyanate ester resin prepreg, it is characterised in that including：Cyanate ester resin is melted；Bimaleimide resin is added, stirring, is well mixed cyanate ester resin and bimaleimide resin；Coating forms resin film；AndThe resin film and fiber or fabric hot pressing are impregnated with, obtain the preimpregnation of New Tough Bismaleimide Resins cyanate ester resin Material.
- 2. according to the method for claim 1, it is characterised in that include cyanate ester resin melting by heat molten type cyanate resin Fat melts to flow regime.
- 3. according to the method for claim 2, it is characterised in that by heat molten type cyanate ester resin at a temperature of 90~95 DEG C Melt to flow regime.
- 4. according to the method for claim 1, it is characterised in that adding bimaleimide resin includes every 100 parts by weight Cyanate ester resin add 5~100 parts by weight bimaleimide resin.
- 5. according to the method for claim 4, it is characterised in that adding bimaleimide resin includes every 100 parts by weight Cyanate ester resin add 40~60 parts by weight bimaleimide resin.
- 6. according to the method for claim 1, it is characterised in that the time of the stirring is at least 15min.
- 7. according to the method for claim 1, it is characterised in that it is by well mixed cyanic acid that the coating, which forms resin film, The mixture of ester resin and bimaleimide resin is poured into the hot melt glue groove of film applicator, will be described mixed by the film applicator Compound is coated in release liners, and is covered polyethylene film and wound to obtain resin film.
- 8. according to the method for claim 7, it is characterised in that the temperature of the hot melt glue groove is 90~95 DEG C.
- 9. according to the method for claim 7, it is characterised in that be impregnated with the resin film and the fiber or fabric hot pressing Including the resin film is thrown off into the polyethylene film, with the resin film, clipping the fiber or fabric enters heating roller up and down Pressure impregnation area, makes the resin film fully infiltrate the fiber or fabric, the release liners is thrown off, after covering polyethylene film winding Obtain the New Tough Bismaleimide Resins cyanate ester resin prepreg.
- 10. according to the method for claim 9, it is characterised in that the temperature in the heating roll-in impregnation area is 125~135 ℃。
- 11. according to the method for claim 1, it is characterised in that the fiber or fabric are aramid fiber yarn, aramid fabric, quartz The one or more of cloth, glass-fiber-fabric.
- A kind of 12. New Tough Bismaleimide Resins cyanate prepared by method according to any one of claim 1-11 Resin prepreg material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610632291.5A CN107686658A (en) | 2016-08-04 | 2016-08-04 | New Tough Bismaleimide Resins cyanate ester resin prepreg and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610632291.5A CN107686658A (en) | 2016-08-04 | 2016-08-04 | New Tough Bismaleimide Resins cyanate ester resin prepreg and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107686658A true CN107686658A (en) | 2018-02-13 |
Family
ID=61150996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610632291.5A Pending CN107686658A (en) | 2016-08-04 | 2016-08-04 | New Tough Bismaleimide Resins cyanate ester resin prepreg and preparation method thereof |
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| Country | Link |
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| CN (1) | CN107686658A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109161161A (en) * | 2018-08-10 | 2019-01-08 | 江苏恒神股份有限公司 | A kind of high tenacity non-autoclave solidifies the production technology of prepreg |
| CN112339367A (en) * | 2020-11-04 | 2021-02-09 | 江苏澳盛复合材料科技有限公司 | Carbon fiber composite board and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842619A (en) * | 2015-05-06 | 2015-08-19 | 江苏恒神股份有限公司 | Prepreg manufacturing process of high-tenacity multilayer structure |
| CN105269911A (en) * | 2014-05-27 | 2016-01-27 | 深圳光启创新技术有限公司 | Wave absorbing material and forming method thereof |
| CN105348732A (en) * | 2015-09-15 | 2016-02-24 | 广东生益科技股份有限公司 | Circuit substrate and preparation method therefor |
-
2016
- 2016-08-04 CN CN201610632291.5A patent/CN107686658A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269911A (en) * | 2014-05-27 | 2016-01-27 | 深圳光启创新技术有限公司 | Wave absorbing material and forming method thereof |
| CN104842619A (en) * | 2015-05-06 | 2015-08-19 | 江苏恒神股份有限公司 | Prepreg manufacturing process of high-tenacity multilayer structure |
| CN105348732A (en) * | 2015-09-15 | 2016-02-24 | 广东生益科技股份有限公司 | Circuit substrate and preparation method therefor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109161161A (en) * | 2018-08-10 | 2019-01-08 | 江苏恒神股份有限公司 | A kind of high tenacity non-autoclave solidifies the production technology of prepreg |
| CN112339367A (en) * | 2020-11-04 | 2021-02-09 | 江苏澳盛复合材料科技有限公司 | Carbon fiber composite board and preparation method thereof |
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