CN107446152A - The preparation method and prepreg of prepreg - Google Patents
The preparation method and prepreg of prepreg Download PDFInfo
- Publication number
- CN107446152A CN107446152A CN201610371327.9A CN201610371327A CN107446152A CN 107446152 A CN107446152 A CN 107446152A CN 201610371327 A CN201610371327 A CN 201610371327A CN 107446152 A CN107446152 A CN 107446152A
- Authority
- CN
- China
- Prior art keywords
- base fabric
- preparation
- prepreg
- resin
- resin film
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use 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 C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
One aspect of the present invention provides a kind of preparation method of prepreg, comprises the following steps：Form the base fabric formed by least two fibrous material mixed weavings；Using the both side surface of resin film clamping base fabric leaching material is treated to be formed；And treat leaching material carry out heat roll-in cause resin film infiltrate base fabric, to form prepreg.It is an object of the invention to provide the preparation method and prepreg that a kind of multifilament mixes woven fabric prepreg.
Description
Technical field
The present invention relates to Material Field, more particularly to the preparation method and prepreg of a kind of prepreg.
Background technology
At present, existing fabric prepreg is mainly the prepreg of Single Fiber, is making different fiber requirements
Typically mixing laying, such process laying raw material type are carried out during laminar composite using different Single Fiber prepregs
More, the manufacture craft for making composite product is more complicated.And interfacial phenomenon is obvious between each layer, performance difference between each layer
Greatly, it is unfavorable for the embodiment of laminar composite product globality.And the different fiber prepreg bed of materials press composite interlayer difference
Easily composite is caused the problem of intralayer defects occur.
The content of the invention
For problem present in correlation technique, it is an object of the invention to provide a kind of multifilament to mix woven fabric prepreg
Preparation method and prepreg.
To achieve the above object, one aspect of the present invention provides a kind of preparation method of prepreg, comprises the following steps：
S1：Form the base fabric formed by least two fibrous material mixed weavings；
S2：Using the both side surface of resin film clamping base fabric leaching material is treated to be formed；And
S3：Treat leaching material carry out heat roll-in cause resin film infiltrate base fabric, to form prepreg.
According to one embodiment of present invention, at least two fibrous materials include fine by carbon fiber, glass fibre, quartz
The group of dimension, basalt fibre composition.
According to one embodiment of present invention, step S1 further comprises：Formed and compiled by least three kinds of fibrous material mixing
The base fabric knitted.
According to one embodiment of present invention, at least two fibrous materials are organic fibrous material or are inorganic fibre
Tie up material.
According to one embodiment of present invention, step S1 further comprises：Form woven cloth of the thickness in below 0.5mm
Layer.
According to one embodiment of present invention, step S1 further comprises：It is carbon fiber and warp-wise glass from broadwise
The fibrous material of fiber carries out mixed weaving, to form base fabric of the thickness as 0.1mm-0.3mm.
According to one embodiment of present invention, following steps are further comprised before step S1：By hot-melt resin plus
Heat is to melt-flow state and pours into the hot melt glue groove of film applicator；Hot-melt resin is coated to by release liners by film applicator
On；And to hot-melt resin bedding cover layer and wind, to obtain resin film.
According to one embodiment of present invention, following steps are further comprised in step S3：By by the tree of impregnation process
Adipose membrane and base fabric remove release liners, and are wound after bedding cover layer, to obtain prepreg.
According to one embodiment of present invention, it is next to include epoxy resin, cyanate ester resin and span for the material of resin film
At least one of imide resin.
According to another aspect of the present invention, a kind of preparation method shape by being related to according to any of the above-described embodiment is also provided
Into prepreg, including：The base fabric formed by least two fibrous material mixed weavings；And by base fabric both sides table
Face infiltrates the resin film into base fabric via heating roll-in.
The advantageous effects of the present invention are：
Preimpregnation preparation method for material and prepreg of the present invention, it is initially formed to be mixed by least two fibrous materials and compiles
The base fabric knitted, then resin film is infiltrated base fabric, to form prepreg, this multiple fiber mixes woven fabric preimpregnation
For material when preparing composite, property is identical between each layer, is advantageous to be lifted the globality and uniformity of laminar composite；And
And can solve different fiber prepreg bed of material pressure composite interlayer differences in the prior art, and cause composite layer occur
Between defect the problem of；In addition, the prepreg prepared using preparation in accordance with the present invention, can reduce the increasing of demand multiple fiber
The manufacture difficulty of strong composite.
Brief description of the drawings
Fig. 1 is the flow chart that preparation method for material is presoaked in one embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention is described in detail.
As shown in figure 1, An embodiment provides a kind of preparation method of prepreg, comprise the following steps：
S1：Form the base fabric formed by least two fibrous material mixed weavings；
S2：Using the both side surface of resin film clamping base fabric leaching material is treated to be formed；And
S3：Treat leaching material carry out heat roll-in cause resin film infiltrate base fabric, to form prepreg.
It is to be understood that in above-mentioned steps S1, at least two are referred to by least two fibrous material mixed weavings
Fibrous material is mixed with each other, intersects, woven within the same layer, to form base fabric.That is, according to of the present invention
Prepreg prepared by the preparation method of prepreg only has one layer of base fabric, will not produce different fiber prepregs in the prior art
The bed of material presses composite interlayer difference, and causes composite the problem of intralayer defects occur.
In the above-described embodiments, the base fabric formed by least two fibrous material mixed weavings is initially formed, then is made
Resin film infiltrates base fabric, and to form prepreg, this multiple fiber mixes woven fabric prepreg when preparing composite, respectively
Property is identical between layer, is advantageous to be lifted the globality and uniformity of laminar composite；Also, due to according to the present invention relates to
Prepreg preparation method prepare prepreg only there is one layer of base fabric, it is pre- can to solve different fibers in the prior art
Bed of material pressure composite interlayer difference is soaked, and causes composite the problem of intralayer defects occur；In addition, using according to the present invention
Preparation method prepare prepreg, can reduce demand multiple fiber enhancing composite manufacture difficulty.
According to one embodiment of present invention, at least two fibrous materials include fine by carbon fiber, glass fibre, quartz
The group of dimension, basalt fibre composition.
For example, according to one embodiment of present invention, step S1 further comprises：Formation is mixed by least three kinds of fibrous materials
Compile in collaboration with the base fabric knitted.Further, in an alternate embodiment of the present invention where, step S1 further comprises：Shape
The base fabric that Cheng Yousan kind fibrous material mixed weavings form, and three kinds of fibrous materials are respectively carbon fiber, glass fibre
And basalt fibre.
According to one embodiment of present invention, at least two fibrous materials are organic fibrous material or are inorganic fibre
Tie up material.It should also be recognized, however, that according to one embodiment of present invention, the warp-wise and broadwise of base fabric can also divide
Xuan Ze not organic fibrous material or inorganic fibers.For example, in one embodiment, the warp-wise of base fabric is organic fibre
Tie up material, and broadwise selection inorganic fibers.
According to one embodiment of present invention, step S1 further comprises：Form woven cloth of the thickness in below 0.5mm
Layer.According to the alternative embodiment of the present invention, step S1 further comprises：Form base fabric of the thickness in below 0.3mm.
Further, according to one embodiment of present invention, step S1 further comprises：Form woven cloth of the thickness in below 0.2mm
Layer.Further, according to a preferred embodiment of the present invention, step S1 further comprises：Thickness is formed below 0.1mm's
Base fabric.
According to one embodiment of present invention, step S1 further comprises：It is carbon fiber and warp-wise glass from broadwise
The fibrous material of fiber carries out mixed weaving, to form base fabric of the thickness as 0.1mm-0.3mm.
According to one embodiment of present invention, following steps are further comprised before step S1：By hot-melt resin plus
Heat is to melt-flow state and pours into the hot melt glue groove of film applicator；Hot-melt resin is coated to by release liners by film applicator
On；And to hot-melt resin bedding cover layer and wind, to obtain resin film.
According to one embodiment of present invention, following steps are further comprised in step S3：By by the tree of impregnation process
Adipose membrane and base fabric remove release liners, and are wound after bedding cover layer, to obtain prepreg.
According to one embodiment of present invention, it is next to include epoxy resin, cyanate ester resin and span for the material of resin film
At least one of imide resin.For example, in one embodiment, resin film is formed by epoxy resin and cyanate ester resin.
Certainly, it should which, it is appreciated that other materials that can form resin film can also be considered, the present invention is not arranged it one by one
Lift.
According to one embodiment of present invention, after hot-melt resin first being heated into melt-flow, the heat of film applicator is poured into
In melten gel groove, uniformly it is coated to by film applicator in release liners, covers cover layer winding, obtain resin mold；Then latitude is selected
To the 0.1mm-0.3mm thickness mixed weaving cloth formed for carbon fiber, warp-wise for glass fibre mixed weaving.Mixed weaving is arranged
In putting on cloth holder for impregnation equipment, by woven cloth by preheating flattening device, it is clipped in the resin film for throwing off cover layer, together enters
Enter the compound impregnation area of heating pressurization so that resin under the roll-in and heating of pressure roller, can sufficiently soak in compound impregnation area
Moisten mixed weaving cloth, upper surface release liners are removed after impregnation, and cover covering thickness winding, obtain carbon fiber and glass fibre mixes
Woven fabric prepreg.
In one embodiment, the material of resin film is epoxy resin, and its heating-up temperature is 115-125 DEG C.At another
In embodiment, the material of resin film is cyanate ester resin, and its heating-up temperature is 100-150 DEG C, it is preferable that heating-up temperature 125-
135℃。
According to another aspect of the present invention, a kind of preparation method shape by being related to according to any of the above-described embodiment is also provided
Into prepreg, including：The base fabric formed by least two fibrous material mixed weavings；And by base fabric both sides table
Face infiltrates the resin film into base fabric via heating roll-in.
In the above-described embodiments, above-mentioned prepreg includes the woven cloth formed by least two fibrous material mixed weavings
Layer, this multiple fiber mix woven fabric prepreg when preparing composite, and property is identical between each layer, are advantageous to lifting lamination
The globality and uniformity of composite；Also, due to the preimpregnation prepared according to the preparation method of prepreg of the present invention
Material only has one layer of base fabric, can solve different fiber prepreg bed of material pressure composite interlayer differences in the prior art, and
Composite is caused the problem of intralayer defects occur；In addition, the prepreg prepared using preparation in accordance with the present invention, can
Reduction demand multiple fiber strengthens the manufacture difficulty of composite.
The preparation method and prepreg of prepreg provided by the present invention can be widely applied to Aero-Space, naval vessels ship
The fields such as oceangoing ship, traffic, weaponry, sports goods.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of preparation method of prepreg, it is characterised in that comprise the following steps：
S1：Form the base fabric formed by least two fibrous material mixed weavings；
S2：The both side surface that the base fabric is clamped using resin film treats leaching material to be formed；And
S3：Heating roll-in is carried out to the material to be soaked causes the resin film to infiltrate the base fabric, to form prepreg.
2. preparation method according to claim 1, it is characterised in that at least two fibrous material includes fine by carbon
Dimension, glass fibre, quartz fibre, the group of basalt fibre composition.
3. preparation method according to claim 1, it is characterised in that the step S1 further comprises：Formed by least
The base fabric that three kinds of fibrous material mixed weavings form.
4. preparation method according to claim 1, it is characterised in that at least two fibrous material is organic fiber
Material is inorganic fibers.
5. preparation method according to claim 1, it is characterised in that the step S1 further comprises：Thickness is formed to exist
Below the 0.5mm base fabric.
6. preparation method according to claim 1, it is characterised in that the step S1 further comprises：It is from broadwise
Carbon fiber and warp-wise are that the fibrous material of glass fibre carries out mixed weaving, to form thickness as described in 0.1mm-0.3mm
Base fabric.
7. preparation method according to claim 1, it is characterised in that further comprise walking as follows before the step S1
Suddenly：
Hot-melt resin is heated to melt-flow state and poured into the hot melt glue groove of film applicator；
The hot-melt resin is coated in release liners by the film applicator；And
To the hot-melt resin bedding cover layer and wind, to obtain the resin film.
8. preparation method according to claim 7, it is characterised in that further comprise following steps in the step S3：
The release liners will be removed by the resin film of the impregnation process and the base fabric, and after bedding cover layer
Winding, to obtain the prepreg.
9. preparation method according to claim 1, it is characterised in that the material of the resin film includes epoxy resin, cyanogen
At least one of acid ester resin and bimaleimide resin.
A kind of 10. prepreg formed as the preparation method according to any one of claim 1 to 9, it is characterised in that bag
Include：
The base fabric formed by least two fibrous material mixed weavings；And
Infiltrated by the base fabric both side surface via heating roll-in to the resin film in the base fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610371327.9A CN107446152A (en) | 2016-05-30 | 2016-05-30 | The preparation method and prepreg of prepreg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610371327.9A CN107446152A (en) | 2016-05-30 | 2016-05-30 | The preparation method and prepreg of prepreg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107446152A true CN107446152A (en) | 2017-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610371327.9A Pending CN107446152A (en) | 2016-05-30 | 2016-05-30 | The preparation method and prepreg of prepreg |
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| Country | Link |
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| CN (1) | CN107446152A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422587A (en) * | 2018-03-27 | 2018-08-21 | 山东中恒景新碳纤维科技发展有限公司 | A kind of method that radiant heating prepares thermoplasticity prepreg fabric |
| WO2018214680A1 (en) * | 2017-05-24 | 2018-11-29 | 洛阳尖端技术研究院 | Basalt fiber composite material and preparation method therefor |
| CN109664435A (en) * | 2018-06-07 | 2019-04-23 | 中山市富达运动器材有限公司 | A kind of manufacture craft of fibre knitting cloth |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922855A (en) * | 2012-10-24 | 2013-02-13 | 中国航空工业集团公司北京航空材料研究院 | Method for preparing high-tenacity hot-melt prepreg by hot-melt resin matrix |
| CN103522554A (en) * | 2012-07-06 | 2014-01-22 | 上海欣晨新技术有限公司 | Vacuum auxiliary manufacturing method and device of prepreg for composite material |
| JP2014162858A (en) * | 2013-02-26 | 2014-09-08 | Toray Ind Inc | Prepreg and production method of the same, and fiber reinforced composite material |
-
2016
- 2016-05-30 CN CN201610371327.9A patent/CN107446152A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522554A (en) * | 2012-07-06 | 2014-01-22 | 上海欣晨新技术有限公司 | Vacuum auxiliary manufacturing method and device of prepreg for composite material |
| CN102922855A (en) * | 2012-10-24 | 2013-02-13 | 中国航空工业集团公司北京航空材料研究院 | Method for preparing high-tenacity hot-melt prepreg by hot-melt resin matrix |
| JP2014162858A (en) * | 2013-02-26 | 2014-09-08 | Toray Ind Inc | Prepreg and production method of the same, and fiber reinforced composite material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214680A1 (en) * | 2017-05-24 | 2018-11-29 | 洛阳尖端技术研究院 | Basalt fiber composite material and preparation method therefor |
| CN108422587A (en) * | 2018-03-27 | 2018-08-21 | 山东中恒景新碳纤维科技发展有限公司 | A kind of method that radiant heating prepares thermoplasticity prepreg fabric |
| CN109664435A (en) * | 2018-06-07 | 2019-04-23 | 中山市富达运动器材有限公司 | A kind of manufacture craft of fibre knitting cloth |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20171208 |