CN105623546A - Preparation method of reinforced adhesive film - Google Patents
Preparation method of reinforced adhesive film Download PDFInfo
- Publication number
- CN105623546A CN105623546A CN201510970946.5A CN201510970946A CN105623546A CN 105623546 A CN105623546 A CN 105623546A CN 201510970946 A CN201510970946 A CN 201510970946A CN 105623546 A CN105623546 A CN 105623546A
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- resin
- toughener
- glued membrane
- matrix
- preparation
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J179/00—Adhesives based on 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 C09J161/00 - C09J177/00
- C09J179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J179/00—Adhesives based on 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 C09J161/00 - C09J177/00
- C09J179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09J179/08—Polyimides; Polyester-imides; Polyamide-imides; 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
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2463/00—Presence of epoxy resin
Abstract
The invention belongs to the field of resin composite materials, and relates to a preparation method of a reinforced adhesive film. The method comprises the following steps: taking matrix resin and a toughener as raw materials to prepare a matrix resin film and a toughener film respectively, and then mixing the toughener film layer with the matrix resin film layer to form the uniform reinforced adhesive film. The preparation method of the reinforced adhesive film, provided by the invention, overcomes the problem that the indissolvable and high-melting toughener resin cannot be dissolved in the matrix resin or molten in the resin, solves the problem of mixing uniformity of the toughener and the matrix resin, and obtains the adhesive film in which the reinforced phase is uniformly mixed with the matrix phase. Meanwhile, the method, provided by the invention, can increase content of the toughener in the adhesive film and improve the tenacity of the adhesive film.
Description
Technical field
The invention belongs to polymer matrix composites field, the preparation method relating to a kind of toughness reinforcing glued membrane.
Background technology
Glued membrane is the resin adhesive of a kind of film like, be mainly used in by bonding for two kinds of products be a complete product, carrier-free glued membrane and carrier adhesive can be divided into, carrier adhesive is that adhesive resin is coated in the glued membrane that one layer of carrier (such as fabric or nylon wire etc.) is above formed, and carrier-free glued membrane is the glued membrane being prepared from by pure adhesive resin. In polymer matrix composites field, the Main Function of glued membrane is by bonding as a whole for two kinds of composite products, such as by bonding as a whole for two laminates, or by bonding with panel material as a whole for sandwich material (such as honeycomb or foam). The bonding property of glued membrane directly affects overall performance and the reliability of product.
Due to adhesive film material and treat that adhesives is generally dissimilar materials, the adhesive layer caused to overcome bonding interface place adhesive stress destroys, adhesive film material must have higher toughness, polymer matrix composites matrix resin is not suitable for using directly as adhesive, its toughening modifying must just can meet the instructions for use of glued membrane, and adding toughening agent modified in resin is the most frequently used method for toughening. Along with adhesive uses the raising of temperature requirements, the use temperature requirement of toughening material also being improved accordingly, some thermoplastic resin such as polysulfones, polyether-ether-ketone etc. have good toughness and temperature tolerance simultaneously, are increasingly becoming the toughener of many a lot of high temperature resistant glued membranes.
Existing toughener adding method is mainly by two kinds, and one is to adopt solvent method that adhesive resin matrix and toughener are dissolved in mix homogeneously in same solvent; Another kind is to adopt melted method that adhesive resin matrix and toughener blended melting are mixed into uniform mixture.
How low for dissolubility or that melt temperature is high thermoplastic toughening agent is added to and adhesive matrix resin is formed homogeneous toughened resin system become a difficult problem: when adopting solvent method to dissolve, low or indissoluble the toughener of dissolubility is generally difficult to be dissolved in the acetone equal solvent that adhesive matrix resin is conventional, it is impossible to realize the Homogeneous phase mixing of adhesive matrix resin and toughener; When adopting melting method, owing to the melt temperature of toughened resin is of a relatively high, even close to the gelling temp of adhesive matrix resin, by time melted to these plastic resins and adhesive matrix resin alloy, adhesive matrix resin has begun to curing reaction, when adhesive matrix resin is mixed homogeneously with thermoplastic resin, adhesive resin matrix is likely to have cured, and this glue-joint strength directly resulting in glued membrane declines.
Summary of the invention
The present invention is directed to current indissoluble or problem that the high toughener of fusing point is difficult to mix homogeneously with adhesive matrix resin, it is proposed to new toughness reinforcing glue film manufacturing process, it is achieved adhesive matrix resin is simple with the Homogeneous phase mixing of toughener and technique.
Original toughness reinforcing glue film manufacturing process is by toughener and the adhesive resin matrix uniform mixture of blended formation, owing to some toughener is difficult to adhesive resin matrix dissolution in same solvent, it is impossible to form uniform toughened system; Or owing to adhesive resin matrix reacts when toughener melt temperature height causes blended, affect the adhesive property of adhesive, working life and storage period etc.
The toughness reinforcing glue film manufacturing process that the present invention proposes is that one layer of glued membrane is decomposed into two-layer or substrates multilayer resin molding and toughener resin molding, resin membrane and toughener film are prepared respectively, and by rearmounted to the matrix resin of glued membrane and toughener mixed process in glued membrane solidification process. The central principle of the method is will to be difficult to uniform dissolution or the toughener that is melted in matrix resin prepares in the way of toughener rete, then again toughener rete and matrix resin rete is mixed to form uniform toughness reinforcing glued membrane. This method solve and matrix resin and toughener are dissolved or melts the contradiction existed when being integrated, be made into membranaceous respectively, in solidification, then carry out mixing fully toughness reinforcing, cracked a difficult problem for mixing uniformity.
Concrete method is that adhesive resin matrix and glued membrane toughener are respectively prepared membranaceous resin bed, then by resin membrane and toughener resin molding according to the order designed successively lamination compound, thus obtaining the adhesive film material that toughener is evenly distributed, it is possible to again resin molding and toughener resin molding are compounded in before matrix glued membrane uses and treat adhesives surface. The resin molding melting mixing in the curing process being compounded to form by resin membrane and toughener resin molding, carries out forming uniform toughening adhesives system.
It concretely comprises the following steps:
Step 1: weigh the matrix resin of 50 parts��99 parts by mass fraction, matrix resin adds heat fusing, melt temperature is generally 60 DEG C��180 DEG C, adopts coating method or pressed film method, and the matrix resin after melted is painted with resin membrane. Matrix resin can be the combination of one or more in epoxy resin, bimaleimide resin, cyanate ester resin, cyanaloc.
Step 2: weigh the toughened resin of 1 part��50 parts by mass fraction, adopts coating method, pressed film method or the tape casting, is uniform toughener resin molding by toughened resin preparation. Toughener can be the combination of one or more in polysulfone resin, polyethersulfone resin, polyimide resin, polyether-ether-ketone, polyphenylene oxide, polyphenylene sulfide.
Step 3: the mass fraction according to each component, the two-layer that step 1 and step 2 are prepared or be complex as one layer of glued membrane after multi-layer resinous film alternative stacked. For ease of resin molding compound, it is possible at compound tense, laying two-layer together or multi-layer resinous film being applied certain pressure or temperature, the pressure limit of applying is generally 0.05MPa��1.6MPa, and temperature range is generally 40 DEG C��180 DEG C.
The mass ratio of heretofore described matrix resin and toughener is 50-99:1-50, and the mass area ratio of the final glued membrane prepared is generally 20g/m2��500g/m2.
Method of the present invention can improve the content of toughener, improves the toughness of glued membrane.
Toughness reinforcing glued membrane of the present invention is made up of at least one of which resin membrane and at least one of which toughener film.
Resin membrane of the present invention and toughener film replace laying and form toughness reinforcing glued membrane.
Resin membrane of the present invention can adopt coating method or pressed film method to prepare, namely first by resin melting, then adopt the equipment of resin coating film machine or film laminator or other equivalence molten resin is painted one layer uniform, there is the resin molding of certain mass area ratio. Film or press mold temperature are more than the softening temperature of resin.
Toughened film of the present invention can adopt coating method, pressed film method or the tape casting to prepare. Film or press mold temperature are more than the softening temperature of resin.
Resin membrane of the present invention and toughener film compound can carry out immediately after two kinds of resin moldings make, namely after resin molding completes respectively, successively replace laying form an overall adhesive film material, it is possible to before glued membrane uses, directly successively replace laying treating splicing article surface.
The toughness reinforcing glue film manufacturing process that the present invention proposes is that one layer of glued membrane is decomposed into two-layer or substrates multilayer resin molding and toughener resin molding, resin membrane and toughener film are prepared respectively, and by rearmounted in glued membrane solidification process to matrix resin and the toughener mixed process of glued membrane, glued membrane preparation process avoids the mixed process of matrix resin and toughener. The difficult problem that toughness reinforcing glue film manufacturing process overcomes indissoluble, infusibility toughener resin cannot be dissolved in matrix resin or be melted in resin that the present invention proposes, solve toughener and matrix resin mix homogeneously sex chromosome mosaicism, prepare toughness reinforcing phase glued membrane mutually mixed uniformly with matrix. The method that the present invention proposes simultaneously can improve the content of toughener in glued membrane, improves the toughness of glued membrane.
Detailed description of the invention
The present invention is further illustrated, it is possible to make those skilled in the art be more completely understood by the present invention, but do not limit the present invention in any way below in conjunction with embodiment.
Embodiment 1:
The toughness reinforcing cyanate glued membrane of one that the present embodiment provides is made up of matrix resin and toughener, its matrix resin is cyanate ester resin and epoxy resin is the 3:1 resin mixed according to mass ratio, toughener is polysulfone resin, wherein the mass fraction of matrix resin is 60 parts��90 parts, and the mass fraction of toughener is 10 parts��40 parts.
Step 1: the ratio of 3:1 weighs cyanate ester resin and epoxy resin respectively in mass ratio, epoxy resin is heated to 80 DEG C, then in epoxy resin, add the cyanate ester resin weighed, agitating resin mixture makes cyanate ester resin completely melted, and makes cyanate ester resin and epoxy resin mix homogeneously obtain matrix resin. Under the film temperature of 60 DEG C, matrix resin being coated film forming, obtain resin membrane, the mass fraction of resin membrane is 60 parts��90 parts.
Step 2: weigh the toughened resin polysulfones of certain mass, makes it soften to 200 DEG C polysulfones heating, adopts film laminator that the toughened resin after melted is painted with toughener resin molding.
Step 3: the mass fraction according to each component, the two-layer that step 1 and step 2 are prepared or be complex as one layer of glued membrane after multi-layer resinous film alternative stacked. For ease of resin molding compound, it is possible at compound tense, laying two-layer together or multi-layer resinous film being applied certain pressure or temperature, the pressure of applying is 0.05MPa, and temperature is 40 DEG C.
Adopt in cyanate glued membrane prepared by the implementation that this embodiment provides, the content of toughener polysulfone resin is the highest may be added to that 40%, compared to traditional glue film manufacturing process, substantially increase the content of polysulfone resin, be conducive to improving the toughness of glued membrane, and the problem that when solving that in Conventional processing methods, polysulfones addition is big, polysulfone resin precipitates out from cyanate matrix resin and glued membrane viscosity is low, paving applies property difference. Adopting the fact that the present embodiment the provides climbing drum peel strength of cyanate glued membrane prepared by method to reach 50N mm/mm��55N mm/mm, the climbing drum peel strength of more traditional glued membrane improves more than 70%.
Embodiment 2:
A kind of toughening model+glued membrane that the present embodiment provides is made up of matrix resin and toughener, its matrix resin is bimaleimide resin and epoxy resin is the 3:1 resin mixed according to mass ratio, toughener is polysulfone resin, wherein the mass fraction of matrix resin is 50 parts��90 parts, and the mass fraction of toughener is 10 parts��50 parts.
Step 1: the ratio of 6:1 weighs bimaleimide resin and epoxy resin respectively in mass ratio, epoxy resin is heated to 90 DEG C, then in epoxy resin, add the bimaleimide resin weighed, agitating resin mixture makes bimaleimide resin completely melted, and makes bimaleimide resin and epoxy resin mix homogeneously obtain matrix resin. Under the film temperature of 80 DEG C, matrix resin being coated film forming, obtain resin membrane, the mass fraction of resin membrane is 50 parts��90 parts.
Step 2: weigh the toughened resin polysulfones of certain mass, makes it soften to 200 DEG C polysulfones heating, adopts film laminator that the toughened resin after melted is painted with toughener resin molding.
Step 3: the mass fraction according to each component, the two-layer that step 1 and step 2 are prepared or be complex as one layer of glued membrane after multi-layer resinous film alternative stacked. For ease of resin molding compound, it is possible at compound tense, laying two-layer together or multi-layer resinous film being applied certain pressure or temperature, the pressure limit of applying is generally 0.05MPa��0.5MPa, and temperature range is generally 60 DEG C��140 DEG C.
Adopt in BMI glued membrane prepared by the implementation that this embodiment provides, the content of toughener polysulfone resin is the highest may be added to that 50%, compared to traditional glue film manufacturing process, substantially increase the content of polysulfone resin, improve the toughness of glued membrane, and the problem that when solving that in Conventional processing methods, polysulfones addition is big, polysulfone resin precipitates out from Bmi In Fiber Composites and glued membrane viscosity is low, paving applies property difference. Adopting the fact that the present embodiment the provides climbing drum peel strength of BMI glued membrane prepared by method to reach more than 45N mm/mm, the climbing drum peel strength of more traditional glued membrane improves more than 50%.
Embodiment 3:
The toughness reinforcing cyanate glued membrane of one that the present embodiment provides is made up of matrix resin and toughener, its matrix resin is cyanate ester resin and epoxy resin is the 3:1 resin mixed according to mass ratio, toughener is polysulfone resin, wherein the mass fraction of matrix resin is 60 parts��90 parts, and the mass fraction of toughener is 10 parts��40 parts.
Step 1: the ratio of 3:1 weighs cyanate ester resin and epoxy resin respectively in mass ratio, epoxy resin is heated to 80 DEG C, then in epoxy resin, add the cyanate ester resin weighed, agitating resin mixture makes cyanate ester resin completely melted, and makes cyanate ester resin and epoxy resin mix homogeneously obtain matrix resin. Under the film temperature of 60 DEG C, matrix resin being coated film forming, obtain resin membrane, the mass fraction of resin membrane is 60 parts��90 parts.
Step 2: weigh the toughened resin polysulfones of certain mass, makes it soften to 200 DEG C polysulfones heating, adopts film laminator that the toughened resin after melted is painted with toughener resin molding.
Step 3: the mass fraction according to each component, the two-layer that step 1 and step 2 are prepared or be complex as one layer of glued membrane after multi-layer resinous film alternative stacked. For ease of resin molding compound, it is possible at compound tense, laying two-layer together or multi-layer resinous film being applied certain pressure or temperature, the pressure of applying is 1.6MPa, and temperature is 40 DEG C.
Adopt in cyanate glued membrane prepared by the implementation that this embodiment provides, the content of toughener polysulfone resin is the highest may be added to that 40%, compared to traditional glue film manufacturing process, substantially increase the content of polysulfone resin, be conducive to improving the toughness of glued membrane, and the problem that when solving that in Conventional processing methods, polysulfones addition is big, polysulfone resin precipitates out from cyanate matrix resin and glued membrane viscosity is low, paving applies property difference. Adopting the fact that the present embodiment the provides climbing drum peel strength of cyanate glued membrane prepared by method to reach 50N mm/mm��55N mm/mm, the climbing drum peel strength of more traditional glued membrane improves more than 70%.
Embodiment 4:
The toughness reinforcing cyanate glued membrane of one that the present embodiment provides is made up of matrix resin and toughener, its matrix resin is cyanate ester resin and epoxy resin is the 3:1 resin mixed according to mass ratio, toughener is polysulfone resin, wherein the mass fraction of matrix resin is 60 parts��90 parts, and the mass fraction of toughener is 10 parts��40 parts.
Step 1: the ratio of 3:1 weighs cyanate ester resin and epoxy resin respectively in mass ratio, epoxy resin is heated to 80 DEG C, then in epoxy resin, add the cyanate ester resin weighed, agitating resin mixture makes cyanate ester resin completely melted, and makes cyanate ester resin and epoxy resin mix homogeneously obtain matrix resin. Under the film temperature of 60 DEG C, matrix resin being coated film forming, obtain resin membrane, the mass fraction of resin membrane is 60 parts��90 parts.
Step 2: weigh the toughened resin polysulfones of certain mass, makes it soften to 200 DEG C polysulfones heating, adopts film laminator that the toughened resin after melted is painted with toughener resin molding.
Step 3: the mass fraction according to each component, the two-layer that step 1 and step 2 are prepared or be complex as one layer of glued membrane after multi-layer resinous film alternative stacked. For ease of resin molding compound, it is possible at compound tense, laying two-layer together or multi-layer resinous film being applied certain pressure or temperature, the pressure of applying is 0.05MPa, and temperature is 180 DEG C.
Adopt in cyanate glued membrane prepared by the implementation that this embodiment provides, the content of toughener polysulfone resin is the highest may be added to that 40%, compared to traditional glue film manufacturing process, substantially increase the content of polysulfone resin, be conducive to improving the toughness of glued membrane, and the problem that when solving that in Conventional processing methods, polysulfones addition is big, polysulfone resin precipitates out from cyanate matrix resin and glued membrane viscosity is low, paving applies property difference. Adopting the fact that the present embodiment the provides climbing drum peel strength of cyanate glued membrane prepared by method to reach 50N mm/mm��55N mm/mm, the climbing drum peel strength of more traditional glued membrane improves more than 70%.
Claims (5)
1. the preparation method of a toughness reinforcing glued membrane, it is characterised in that: with matrix resin and toughener for raw material, prepare resin membrane and toughener film respectively, then again toughener rete and matrix resin rete are mixed to form uniform toughness reinforcing glued membrane.
2. the preparation method of a kind of toughness reinforcing glued membrane according to claim 1, it is characterised in that: it concretely comprises the following steps:
Step 1: matrix resin is added heat fusing, melt temperature is generally 60 DEG C��180 DEG C, adopts coating method or pressed film method, and the matrix resin after melted is painted with resin membrane;
Step 2: adopt coating method, pressed film method or the tape casting, is uniform toughener resin molding by toughened resin preparation;
Step 3: being complex as one layer of glued membrane after toughener resin molding alternative stacked prepared by resin membrane step 1 prepared and step 2, composite pressure is 0.05MPa��1.6MPa, temperature is 40 DEG C��180 DEG C.
3. the preparation method of a kind of toughness reinforcing glued membrane according to claim 1, it is characterised in that: described matrix resin can be the combination of one or more in epoxy resin, bimaleimide resin, cyanate ester resin, cyanaloc.
4. the preparation method of a kind of toughness reinforcing glued membrane according to claim 1, it is characterised in that: described toughener can be the combination of one or more in polysulfone resin, polyethersulfone resin, polyimide resin, polyether-ether-ketone, polyphenylene oxide, polyphenylene sulfide.
5. the preparation method of a kind of toughness reinforcing glued membrane according to claim 1, it is characterised in that: the mass ratio of described matrix resin and toughener is 50-99:1-50.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106274003A (en) * | 2016-07-27 | 2017-01-04 | 重庆德凯实业股份有限公司 | A kind of high Tg, low Dk and the manufacture method of low Df copper-clad plate |
| CN108219454A (en) * | 2016-12-15 | 2018-06-29 | 中国航空工业集团公司济南特种结构研究所 | A kind of preparation method of cyanate resin base glued membrane |
| CN110576627A (en) * | 2019-08-08 | 2019-12-17 | 上海中化科技有限公司 | Transparent nylon film material and preparation method thereof |
| CN111518511A (en) * | 2020-05-11 | 2020-08-11 | 四川川环科技股份有限公司 | Heat-resistant adhesive and aluminum alloy bonding method |
| CN114573985A (en) * | 2021-12-31 | 2022-06-03 | 昆山赛阳电子材料有限公司 | Scratch-resistant glue and preparation method thereof |
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| EP0327142A2 (en) * | 1984-03-30 | 1989-08-09 | Cytec Technology Corp. | Resin matrix composites |
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| EP0327142A2 (en) * | 1984-03-30 | 1989-08-09 | Cytec Technology Corp. | Resin matrix composites |
| CN1923506A (en) * | 2006-07-19 | 2007-03-07 | 中国航空工业第一集团公司北京航空材料研究院 | Toughening composite material lamination board and method for making same |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106274003A (en) * | 2016-07-27 | 2017-01-04 | 重庆德凯实业股份有限公司 | A kind of high Tg, low Dk and the manufacture method of low Df copper-clad plate |
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| CN110576627A (en) * | 2019-08-08 | 2019-12-17 | 上海中化科技有限公司 | Transparent nylon film material and preparation method thereof |
| CN110576627B (en) * | 2019-08-08 | 2021-03-16 | 上海中化科技有限公司 | Transparent nylon film material and preparation method thereof |
| CN111518511A (en) * | 2020-05-11 | 2020-08-11 | 四川川环科技股份有限公司 | Heat-resistant adhesive and aluminum alloy bonding method |
| CN111518511B (en) * | 2020-05-11 | 2021-09-28 | 四川川环科技股份有限公司 | Heat-resistant adhesive and aluminum alloy bonding method |
| CN114573985A (en) * | 2021-12-31 | 2022-06-03 | 昆山赛阳电子材料有限公司 | Scratch-resistant glue and preparation method thereof |
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