CN1485199A - Metal laminating body - Google Patents
Metal laminating body Download PDFInfo
- Publication number
- CN1485199A CN1485199A CNA031483879A CN03148387A CN1485199A CN 1485199 A CN1485199 A CN 1485199A CN A031483879 A CNA031483879 A CN A031483879A CN 03148387 A CN03148387 A CN 03148387A CN 1485199 A CN1485199 A CN 1485199A
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- CN
- China
- Prior art keywords
- polyimide
- general formula
- metal laminate
- polyamic acid
- expression
- Prior art date
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- 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
- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
-
- 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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/16—Metal
- C09J2400/163—Metal in the substrate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
Abstract
Provided is a heat resistant resin composition having excellent adhesiveness at a low temperature and to provide a polyimide metal laminate hardly generating swell during lead-free solder, Au-Sn jointing used for COF mounting or Au-Au jointing and showing excellent solder heat resistance.The metal laminate is produced by laminating a resin composition obtained by compounding a polyamic acid and/or a polyimide to a bismaleimide compound represented by the general formula (1) on at least one surface of a metal foil (m is an integer of 0 or more; bonds X are O, SO<SB>2</SB>, S, CO, CH<SB>2</SB>, C(CH<SB>3</SB>)<SB>2</SB>, C(CF<SB>3</SB>)<SB>2</SB>or a direct bond and may be independently identical or different; and substiotuents R1 are each a hydrogen atom, a halogen atom or a hydrocarbon group and may be identical or different, and their substitution positions in a benzene ring are mutually independent).
Description
Technical field
It is good to the present invention relates to low temperature adhesion, and the resin combination used of the good metal laminate of solder heat resistance and polyimide laminate.
Background technology
Polyimides is owing to its hear resistance, resistance to chemical reagents, mechanical strength, electrology characteristic etc. are good, not only be suitable for requiring stable on heating aviation field to use, and be suitable for using as the hear resistance adhesive at the electronic applications that with flexible printed board and semiconductor packages etc. is representative.
In recent years, for polyimide hear resistance adhesive, except processing characteristics, hear resistance, requirement has also been proposed for the characteristic of so-called low temperature adhesion.
As the low temperature adhesion excellent material, for example in Patent Document 1, reported the resin combination of forming by the polyimide resin with siloxane unit, epoxy resin and phosphate plasticizer.But owing to all contain the aliphatic unit in each composition of polyimide resin in such cases, epoxy resin, plasticizer, its heat decomposition temperature is low, existing problems aspect hear resistance.
On the other hand, as having good bonding strength and stable on heating material, though Patent Document 2 and Patent Document 3 and Patent Document 4 etc. disclose the resin that is made of specific polyamic acid and bismaleimide compound, it is in temperature better fusible material to be arranged more than 300 ℃, but the material with low temperature adhesion is also few, and only limits to make the purposes of film in the above-mentioned special permission communique.
On the other hand; consider from the viewpoint of environmental protection in recent years; owing to use lead-free solder in the electronic unit encapsulation, as the encapsulation of substrate and parts and be known as the dismounting substrate of reparation and the operation of parts in, expectation has the good polyimide-metal pressing plate of solder heat resistance.And as hard purposes of bending property and flexible multi-layered substrate, begun to spell out, the reliability of the solder heat resistance temperature that requires is not enough at present, and expects that it has the hear resistance of higher temperature.Metal laminate is being used for membrane of flip chip joining technique (chip-on-film, below simply be called COF) time, pin engages or the flip-chip joint in using, and Au-Au joint or Au-Sn are engaged, thereby substrate and metal wiring are engaged.Therefore when using COF, the good base material of solder heat resistance is desirable.
At present as the COF base material, what mainly be to use has a non-thermal plasticity polyimides, the polyimide-metal pressing plate (with reference to Patent Document 5) that metallising is obtained on polyimide film.But, when adopting method of spray plating,, produce so expect to have bubble-free polyimide-metal pressing plate because the bubble in the metal level worsens yield rate easily.
[Patent Document 1] spy opens flat 10-212468 communique
[Patent Document 2] spy opens flat 01-289862 communique
[Patent Document 3] spy opens flat 6-145638 communique
[Patent Document 4] spy opens flat 6-192639 communique
[Patent Document 5] spy opens flat 07-070762 communique
Summary of the invention
The purpose of this invention is to provide polyimide laminate resin combination with good low temperature adhesion.
Furtherly, the invention provides the polyimide-metal pressing plate bubble-free, that solder heat resistance is good, and the Au-Sn that uses engages or Au-Au is difficult to produce polyimide-metal pressing plate bubble, that solder heat resistance is good when engaging in lead-free solder and COF encapsulation.
For bubble-free polyimide-metal pressing plate, present inventors have studied the flexible circuit board with rolled copper foil and electrolytic copper foil and polyimides lamination, but when using polyimides as adhesive, have occurred the problem of foaming etc. when using polyimides.Through discovering, when in polyamic acid and/or polyimides, sneaking into specific bismaleimide compound, solved the above-mentioned problem that low temperature adhesion is good and solder heat resistance is good, thereby finished the present invention.
The present invention includes following aspect.
(1) a kind of metal laminate is characterized in that, will in polyamic acid and/or polyimides, sneak into the resin combination that obtains by the bismaleimide compound of general formula (1) expression and be laminated on the one side at least of metal forming,
(in the formula, m represents the integer more than 0; X is identical or different, represents O, SO respectively
2, S, CO, CH
2, C (CH
3)
2, C (CF
3)
2Or directly key connects; R1 is identical or different, expression hydrogen atom, halogen atom, alkyl, and its position of substitution on phenyl ring is separate).
(2) as (1) described metal laminate, this metal laminate has at the one or both sides of the polyimide film more than one deck and forms polyimide layer and make the structure of metal lamination on the one or both sides on this polyimide layer.
(3) as (1) described metal laminate, polyamic acid wherein and/or polyimides have general formula (2) and general formula (3) respectively
(n represents the integer more than 0 in the formula; Y is identical or different, represents O, SO respectively
2, S, CO, CH
2, C (CH
3)
2, C (CF
3)
2Or directly key connects; A is 4 valency organic groups; R2 is identical or different, expression hydrogen atom, halogen atom, alkyl, and its position of substitution on phenyl ring is separate) repetitive of expression.
(4) as (3) described metal laminate, wherein the 4 valency organic groups represented of A are the group of general formula (4) expression:
(Z represents O, SO in the formula
2, S, CO, CH
2, C (CH
3)
2, C (CF
3)
2Or directly key connects.)
(5) the polyimide metal laminate resin combination is characterized in that, sneaks in polyamic acid and/or polyimides by general formula (1)
(m is the integer more than 0 in the formula; X is identical or different, represents O, SO respectively
2, S, CO, CH
2, C (CH
3)
2, C (CF
3)
2Or key; R1 is identical or different, expression hydrogen atom, halogen atom, alkyl, and its position of substitution on phenyl ring is separate) bismaleimide compound of expression.
The specific embodiment
Below describe the present invention in detail.
The present invention relates to metal laminate, it is characterized in that, in polyamic acid and/or polyimides, mixed general formula (1)
(m is the integer more than 0 in the formula; X is identical or different, represents O, SO respectively
2, S, CO, CH
2, C (CH
3)
2, C (CF
3)
2Or key; R1 is identical or different, expression hydrogen atom, halogen atom, alkyl, its the position of substitution on phenyl ring is separate) the polyimide laminate resin combination of bismaleimide compound of expression, and with this resin combination be laminated to metal forming at least simultaneously on.
M represents the integer, preferred 0~6, more preferably 0~4 more than 0 in the general formula (1).X is identical or different, represents O, SO respectively
2, S, CO, CH
2, C (CH
3)
2, C (CF
3)
2Or directly key connects, preferred O, C (CH
3)
2, directly key connects.R1 is identical or different, expression hydrogen atom, halogen atom, alkyl, and its position of substitution on phenyl ring is separate.Preferably on phenyl ring with the compound of an ortho position or a position combination.
Polyamic acid of the present invention and/or polyimides have no particular limits, and are preferably to have by general formula (2) and general formula (3)
(n represents the integer more than 0 in the formula; Y is identical or different, represents O, SO respectively
2, S, CO, CH
2, C (CH
3)
2, C (CF
3)
2Or directly key connects.A is 4 valency organic groups, and R2 is identical or different, and expression hydrogen atom, halogen atom, alkyl, its position of substitution on phenyl ring is separate) repetitive of expression, also preferably have respectively by general formula (5) and general formula (6)
(I represents 1~7 integer in the formula, and R2 is identical or different, expression hydrogen atom, halogen atom, alkyl, and it is separate in position that phenyl ring replaces; On same phenyl ring in two identical or different hetero atoms of combination, at least one is in an ortho position or a position of phenyl ring in oxygen atom and the nitrogen-atoms, and A represents 4 valency organic groups) repetitive of expression, more preferably have respectively by general formula (7) and general formula
(8)
(I represents 1~7 integer in the formula, in oxygen atom and the nitrogen-atoms on same phenyl ring in two identical or different hetero atoms of combination, at least one is in an ortho position or a position of phenyl ring, and A represents 4 valency organic groups) expression repetitive, general formula (9) and general formula (10) are more preferably arranged respectively
The repetitive of (A represents and above-mentioned identical implication in the formula) expression.
In general formula (2)~(3), n represents the integer more than 0, and is preferred 0~6, more preferably 0~4.In general formula (5)~(10), I represents 1~7 integer, and is preferred 1~5, more preferably 1~3.And Y is identical or different, represents O, SO respectively
2, S, CO, CH
2, C (CH
3)
2, C (CF
3)
2Or directly key connects, preferred O, CO, C (CH
3)
2, directly key connects.
R2 in general formula (2)~(6) is identical or different, expression hydrogen atom, halogen atom, alkyl, and its position of substitution on phenyl ring is separate, and preferably to put be the compound of an ortho position or a position combination to the replacement on phenyl ring.
A in general formula (2)~(10) represents the organic group of 4 valencys, have no particular limits, can enumerate carbon number as instantiation is 2~27 fatty group, annular aliphatic base, monocyclic aromatic base, condensed nucleus aromatic base, with 4 valency organic groups of selecting in the interconnective non-condensed nucleus aromatic base of aromatic series base etc., be preferably general formula (4) by direct or bridge atom
(in the formula, Z represents O, SO
2, S, CO, CH
2, C (CH
3)
2, C (CF
3)
2Or key) Biao Shi structure.
Can enumerate chlorine atom, fluorine atom etc. as the halogen atom that the R1 in general formula (1)~(3), (5) and (6) and R2 represent; Can enumerate the low Grade alkyl of methyl and ethyl etc., the low Grade alkenyl of vinyl and pi-allyl etc., the aralkyl of benzyl and phenethyl etc., the aryl of phenyl and naphthyl etc. etc. as alkyl; The alkoxyl of methoxyl group, ethyoxyl etc.; The halogen flower alkyl of trifluoromethyl etc. etc.
Instantiation as the bismaleimide compound of general formula (1) expression can enumerate 1, two (the 3-maleimide phenoxy group) benzene of 3-, two (3-(3-maleimide phenoxy group) phenyl) ether, 1, two (3-(the 3-maleimide phenoxy group) phenoxy group) benzene of 3-, two (3-(3-(3-maleimide phenoxy group) phenoxy group) phenyl) ether, 1, two (3-(3-(the 3-maleimide phenoxy group) phenoxy group) phenoxy group) benzene of 3-, N, N '-p-phenylene BMI, N, N '-m-phenylene BMI, two (4-maleimide phenyl) methane, N, N '-4,4 '-diphenyl ether BMI, N, N '-3,4 '-diphenyl ether BMI, N, N '-3,3 '-diphenylketone BMI, 2, two (4-(the 4-maleimide phenoxy group) phenyl) propane of 2-, 2, two (4-(the 3-maleimide phenoxy group) phenyl) propane of 2-, 4,4 '-two (3-maleimide phenoxy group) biphenyl, 2, two (4-(the 3-maleimide phenoxy group) phenyl)-1 of 2-, 1,1,3,3, the 3-HFC-236fa, two (4-(3-maleimide phenoxy group) phenyl) ketone, two (4-(3-maleimide phenoxy group) phenyl) thioether, two (4-(3-maleimide phenoxy group) phenyl) sulfone etc., but be not limited to described.
These bismaleimide compounds can use corresponding diamine compound and maleic anhydride separately, carry out condensation, dehydration manufacturing by for example special method of opening flat 4-99764 communique record etc.
In addition, when making metal laminate of the present invention, have no particular limits, but with respect to gross weight preferred 0.1~70 weight %, more preferably 0.1~50 weight % as the polyamic acid of polyimide precursor for the allocation ratio of bismaleimide compound in polyimides.Bismaleimide compound allocate quantity not sufficient 0.1 weight % into the time, can not obtain effect, and when surpassing 70 weight %, the bonding strength of metal forming has the tendency of reduction as the purpose of the present invention that improves solder heat resistance.
As the method for in polyamic acid, allocating bismaleimide compound into, can enumerate (A) adds bismaleimide compound in polyamic acid solution method; (B) when the polyamic acid polymerization, for example when adding diamine compound or tetracarboxylic dianhydride, the method for perhaps in polymerization process, adding; (C) method that polyamic acid powder and bismaleimide compound are mixed mutually in solid state etc., but be not limited to described.
The imidizate that also polyamic acid can be dewatered in advance in addition, form polyimide solution after, allocate bismaleimide compound again into.
The polyamic acid of general formula (2) expression is by general formula (11)
(in the formula, n, Y, R2 has and above-mentioned identical implication.) expression diamine compound and general formula (12)
(A represents and above-mentioned identical implication in the formula.) product that obtains of the tetracarboxylic dianhydride reaction of expression, the resin combination dehydration imidizate that will obtain from this polyamic acid obtains resin combination of the present invention again.
Instantiation as the aromatic diamine compound of general formula (9) expression, for example can enumerate two (3-(3-amino-benzene oxygen) phenyl) ethers, 1, two (3-(3-amino-benzene oxygen) phenoxy group) benzene of 3-, two (3-(3-(3-amino-benzene oxygen) phenoxy group) phenyl) ether, 1, two (3-(3-(3-amino-benzene oxygen) phenoxy group) phenoxy group) benzene of 3-, the o-phenylenediamine, the p-phenylenediamine, the m-phenylenediamine, 4,4 '-diaminodiphenyl-methane, 3,4 '-diaminodiphenyl-methane, 3,3 '-diaminodiphenyl-methane, 4,4 '-diamino-diphenyl ether, 3,3 '-diamino-diphenyl ether, 3,4 '-diamino-diphenyl ether, 4,4 '-diaminobenzophenone, 3,4 '-diaminobenzophenone, two (4-aminophenyl) sulfone, two (4-(3-amino-benzene oxygen) phenyl) sulfone, two (3-aminophenyl) thioether, two (4-aminophenyl) thioether, 1, two (the 4-(4-amino-benzene oxygen)-α of 3-, α-Er Jiajibianji) benzene, 4,4 '-two (3-amino-benzene oxygen) biphenyl, 2, two (the 4-amino-benzene oxygen phenyl) propane of 2-, 1, two (1-(4-(4-amino-benzene oxygen) the phenyl)-1-Methylethyl) benzene of 3-, 1, two (1-(4-(4-amino-benzene oxygen) the phenyl)-1-Methylethyl) benzene of 4-, 1, two (1-(4-(3-amino-benzene oxygen) the phenyl)-1-Methylethyl) benzene of 4-, 2, two (3-(3-amino-benzene oxygen) phenyl)-1 of 2-, 1,1,3,3, the 3-HFC-236fa, 2, two (3-(4-amino-benzene oxygen) phenyl)-1 of 2-, 1,1,3,3,3-HFC-236fa etc., but be not limited to the above.
A in the general formula (12) represents 4 valency organic groups, it is 2~27 fatty group, annular aliphatic base, monocyclic aromatic base, condensed nucleus aromatic base that concrete example can be enumerated carbon number, by direct or bridge atom with the 4 valency organic groups of selecting in the interconnective non-condensed nucleus aromatic base of aromatic series base.
In addition, the tetracarboxylic dianhydride of mutual-through type (12) expression has no particular limits, and can use known tetracarboxylic dianhydride, can access the polyimides with various glass transition temperatures.
Instantiation as the tetracarboxylic dianhydride; for example can enumerate pyromellitic acid dianhydride; 3,3 ', 4; 4 '-biphenyl tetracarboxylic dianhydride; o-4; 4 '-two phthalandione dianhydrides; 2, two (4-(3, the 4-di carboxyl phenyloxy) phenyl) the propane dianhydrides of 2-; the ethylene glycol bis trimelitic dianhydride; 2; 2-two (3; 4-dicarboxyl phenyl)-1,1,1; 3; 3,3-hexafluoropropane dianhydride etc., preference is as 2; 2 '; 3,3 '-benzophenone tetracarboxylic dianhydride; 3,3 '; 4; 4 '-benzophenone tetracarboxylic dianhydride; 1, two (3, the 4-dicarboxyl benzoyl) benzene dianhydrides of 2-; 1; 3-two (3; 4-dicarboxyl benzoyl) benzene dianhydride; 1, two (3, the 4-dicarboxyl benzoyl) benzene dianhydrides of 4-; 2; 2 '-two ((3; the 4-dicarboxyl) benzophenone dianhydride phenoxy group); 2,3 '-two ((3, the 4-dicarboxyl) phenoxy group) benzophenone dianhydride; 2; 4 '-two ((3; the 4-dicarboxyl) benzophenone dianhydride phenoxy group); 3,3 '-two ((3, the 4-dicarboxyl) phenoxy group) benzophenone dianhydride; 3; 4 '-two ((3; the 4-dicarboxyl) benzophenone dianhydride phenoxy group); 4,4 '-two ((3, the 4-dicarboxyl) phenoxy group) benzophenone dianhydride etc.These can separately or mix more than 2 kinds and use.
As the manufacture method of the polyamic acid that the present invention relates to, the method that can make polyamic acid comprises known method, and it can be suitable for.The method of wherein, preferably in organic solvent, reacting.As the solvent that described reaction is used, for example can enumerate N, dinethylformamide, N, N-dimethylacetylamide, N-N-methyl-2-2-pyrrolidone N-, 1,2-dimethoxy-ethane etc.
The concentration of the raw material in the described reaction is generally 2~50 weight %, preferred 10~50 weight %; Reaction temperature is generally below 60 ℃, and is preferred below 50 ℃.Reaction pressure has no particular limits, and can carry out under normal pressure.Reaction time is different according to kind, solvent types and the reaction temperature of raw material, is generally 0.5~24 hour enough.Generate the polyamic acid of general formula (2) expression by above-mentioned condensation reaction.
The polyimides of general formula (3) expression is by adding hot-imide with above-mentioned polyamic acid in 100~400 ℃, perhaps uses imidizate agent such as anhydrous acetic acid to carry out chemical imidizate, obtains the polyimides corresponding to the polyamic acid repetitive.
In addition, owing to react at 130 ℃~250 ℃, the generation of polyamic acid and hot imide reaction carry out simultaneously, can obtain polyimides of the present invention.Soon two amine components, acid dianhydride composition suspend or are dissolved in the organic solvent, heat down in 130~250 ℃ and react, and carry out simultaneously by the generation of polyamic acid and the imidizate that dewaters, and can obtain polyimides of the present invention.
For polyimide metal laminate resin combination of the present invention, only otherwise infringement the object of the invention, can allocate the following resin of appropriate amount into, for example polyethylene, polypropylene, Merlon, poly-aryl resin, polyamide, polysulfones, polyether sulfone, polyether-ketone, polyether-ether-ketone, polyphenylene sulfide, modified polyphenyl oxygen base resin, polyamidoimide, PEI, epoxy resin etc.
Can make film with resin combination by polyimide metal laminate of the present invention, its method is had no particular limits, for example can enumerate (A) polyamic acid solution is applied on the base material (glass plate, metallic plate or have stable on heating resin film), the method for imidizate is carried out in heating then; (B) polyimide solution is applied on the base material (glass plate, metallic plate or have stable on heating resin film) method that heats then etc.
In addition, have the adhesive phase and the heat-resistant film that obtain by above-mentioned resin combination, can make the cohesive insulating tape.The cohesive insulating tape is the one-side band that adhesive phase forms on the one side of heat-resistant film, or the double-sided belt that forms on the two sides of heat-resistant film of adhesive phase, in addition, can also be made of layer arbitrarily.
For making the method for cohesive insulating tape with resin combination by polyimide metal laminate of the present invention, be will contain above-mentioned resin combination solution coat to the one or both sides of heat-resistant film, also can be dry.Thickness after coating this moment is 0.5~100 μ m, preferred 1~30 μ m.
As heat-resistant film, for example can enumerate the composite heat resistance film etc. of the film, epoxy resin-glass intertexture (ガ ラ ス Network ロ ス), epoxy resin-polyimides-glass intertexture etc. of the heat-resistant resin of polyimides, polyphenylene sulfide, polyethers, polyether-ketone, polyether-ether-ketone, PETG etc., particularly the film that is obtained by polyimide resin sees it is preferred from a hear resistance and a cun method stability aspect.Preferred 5~130 μ m of the thickness of heat-resistant film, more preferably 12.5~75 μ m.
Metal laminate of the present invention can be that the resin combination that will allocate aforesaid bismaleimide compound on the one side at least of metal forming carries out lamination and obtains.Example as its concrete manufacture method, for example can enumerate on the non-thermal plasticity Kapton, coating contains the TPI of the bismaleimide compound of having allocated general formula (1) expression into or as the varnish of the polyamic acid of this TPI precursor, drying and slaking form thermoplastic polyimide layer and in this surperficial manufacture method of the surperficial hot pressing metal of thermoplastic polyimide layer.
Though metal laminate of the present invention is as neccessary composition with the adhesive phase that is obtained by above-mentioned resin combination and metal forming, but between adhesive phase and metal forming, can have adhesive phase or the non-adhesive phase that is obtained by other resin combination as the intermediate layer, it exists with single or multiple lift.
In addition, metal laminate of the present invention is that the resin combination that will allocate the bismaleimide compound of general formula (1) expression into is contained in certain one deck at least, and can contain the resin bed of having allocated above-claimed cpd on multilayer.
For the method for making metal laminate of the present invention, can enumerate as an example will contain above-mentioned resin combination solution coat on metal forming, and dry method.Thickness after coating this moment is that the scope of 0.5~100 μ m is preferred.During less than 0.5 μ m, can not get sufficient adhesive; When surpassing 100 μ m, cohesive can not improve a lot.
The kind of metal forming, though known metal forming, Alloy Foil all are suitable, rolled copper foil, electrolytic copper foil, copper alloy foil, stainless steel foil from price, aspects such as heat conductivity, rigidity consider it is suitable.
And the thickness of metal forming has no particular limits preferred 2~150 μ m, more preferably 2~105 μ m for can be used for banded thickness.
Metal laminate of the present invention is more preferably on the one or both sides on the surface of the Kapton more than one deck and forms polyimide layer, on this polyimide layer, the one or both sides lamination of metal is constituted, and this polyimide layer is the resin combination that contains the bismaleimide compound of general formula (1) expression.
As Kapton, preferred non-thermal plasticity Kapton specifically can utilize the composition that is synthesized by specific diamines and specific tetracarboxylic dianhydride.The example of specific diamines can be enumerated o-phenylenediamine, p-phenylenediamine, m-phenylenediamine, 4,4 '-diamino-phenyl ether, 3,4 '-diamino-diphenyl ether, 3,3 '-diamino-diphenyl ether etc.They can separately or mix more than 2 kinds and use.
As specific tetracarboxylic dianhydride's example, can enumerate pyromellitic acid dianhydride, 3,3 ', 4,4 '-biphenyl tetracarboxylic dianhydride, 2,2 ', 3,3 '-xenyl tetrabasic carboxylic acid etc.They can separately or mix more than two kinds and use.
In addition, the non-thermal plasticity Kapton can use commercially available non-thermal plasticity Kapton.For example can enumerate ユ one ピ レ Star Network ス (registration mark) S, ユ one ピ レ Star Network ス (registration mark) SGA, ユ one ピ レ Star Network ス (registration mark) SN (Ube Industries, Ltd. system, trade name), カ プ ト Application (registration mark) H, カ プ ト Application (registration mark) V, カ プ ト Application (registration mark) EN (East レ デ ユ Port Application Co., Ltd. system, trade name), ア ピ カ Le (registration mark) AH, ア ピ カ Le (registration mark) NPI, ア ピ カ Le (registration mark) HP (Bell Yuan chemical industry Co., Ltd. system, trade name) etc.Plasma treatment, Corona discharge Treatment etc. also can be carried out in the surface of the film of non-thermal plasticity polyimides.
The thickness of non-thermal plasticity polyimide layer is decided according to purpose, has no particular limits, but is to be fit to utilize in the scope of 5~250 μ m.
For commercially available non-thermal plasticity Kapton, there is not a side of lamination at thermoplastic polyimide layer, also can the different non-thermal plasticity polyimides of laminar construction.
In addition, also can form different non-thermal plasticity polyimides at a side lamination that does not have the laminated thermoplastic polyimide layer of commercially available non-thermal plasticity Kapton.
In addition, in the present invention, also fissility diaphragm, carrier film, carrier-metal forming can be arranged on the adhesive layer of Kapton, cohesive insulating tape or metal laminate.Polyethylene, PETG, polypropylene etc. can be enumerated as diaphragm, carrier film, rolled copper foil, electrolytic copper foil, copper alloy foil, stainless steel foil etc. can be enumerated as carrier-metal forming.Its thickness is 1~200 μ m, preferred 10~100 μ m.Be that the scope of 0.01~10kN/m is preferred with 90 ° peel adhesion strength of adhesive phase in addition.
Polyimide metal laminate provided by the invention has the remarkable result of good solder heat resistance.Though always using the resin of BMI is known as heat-resistant resin, and also has the temperature that reaches so-called thermal decomposition, and does not directly get in touch between the solder heat resistance.The temperature of few 5% weight of Qi Minus of resin , that specifically, is obtained by BMI and diamines in the prior art approximately is about 400 ℃; On the other hand, for polyimides, even TPI also has high hear resistance about 500 ℃.The solder heat resistance of the metal laminate of used beat plastic polyimide is below 260 ℃ at most but be to use always, can not fully satisfy the high temperatureization of recent serviceability temperature.Therefore as countermeasure, attempted using the high TPI of glass transition temperature to test, but owing to the laminating temperature with metal forming uprises, find that present method can not obtain sufficient bonding strength, and TPI can not be covered the concavo-convex of metal foil surface, the problem of the shortcoming in the so-called space of existence generation fully.And the present invention is owing to be mixed into BMI in the polyimides, and glass transition temperature descends, thereby carries out easily with the lamination of metal, and can make solder heat resistance than improving about 20 ℃ at present.
Embodiment
Below use embodiment to describe the present invention in detail, but the present invention is not subjected to the restriction of these embodiment.
The rerum natura of the polyimides among the embodiment is measured in order to following method.
Glass transition temperature (Tg): (マ of Co., Ltd. Star Network サ イ エ Application ス system, DSC3110) measures under the intensification condition of 10 ℃/min with differential scanning calorimetry.
For not using the DSC method to measure the material of Tg, use solid viscoplasticity device RSA II (レ オ メ ト リ Star Network ス society system), obtain according to the peak value of the loss resilience rate of under the intensification condition of 1Hz, 5 ℃/min, measuring (E ").
90 ° of peel adhesion strength: measure according to IPC-TM-650 method 2,4,9.
In addition, the test of the solder heat resistance among the embodiment is carried out according to IPC-TM-650 (The institutefor Interconnecying and Packaging Electronic Circuits) NO.2.4.13.In solder temperature is to carry out under 240 ℃, 260 ℃, 280 ℃, 300 ℃, 320 ℃, 340 ℃, with not producing bubble and metal and polyimides interface the heat resisting temperature of the maximum temperature of change color as scolder does not take place.And use to be adjusted to and be in 85% time 50 hours test portion of 85 ℃ of relative humidity.
Embodiment 1
In the container that is equipped with mixer and nitrogen ingress pipe, add 1, two (3-amino-benzene oxygen) the benzene 12.00g, 1 of 3-, two (3-maleimide phenoxy group) benzene 15.94g and the N of 3-, N-dimethylacetylamide 48.70g stirred 1 hour down in 50 ℃ under nitrogen atmosphere.Then system is reduced to room temperature, note the rising of solution temperature, and meanwhile add 3,3 in batches ', 4,4 '-benzophenone tetracarboxylic dianhydride 11.90g, then, be warming up to 50 ℃ again and stirred 4 hours.
Take out the polyamic acid solution that a part contains the bismaleimide compound that obtains, after the glass plate top casting, be warmed up to 270 ℃ from 50 ℃, obtain the film of thickness 20 μ m with 7 ℃/minute programming rates.It is 106 ℃ that the glass transition of the polyimide film of gained moves temperature (Tg).
The part that will contain the polyamic acid solution of the bismaleimide compound that obtains in addition is cast on the Copper Foil (Nippon Denkai, Ltd.'s system, SLP-35, thickness 35 μ m), be warmed up to 270 ℃ with 7 ℃/minute programming rates from 50 ℃, obtain the metal laminate that polyimides thickness is 12 μ m.
In order to estimate the low temperature cohesive, this metal laminate is placed on the Copper Foil (Nippon Denkai, Ltd.'s system, SLP-35, thickness 35 μ m), use pulse to engage (ケ Le Co., Ltd. system, TC-1320UD) and under 190 ℃, 3MPA, added hot pressing 2 seconds.Adopt IPC-TM-650 method 2,4,9 to carry out disbonded test in 90 ° with the test film that obtains, its result is 1.6kN/m for peel adhesion strength.
Embodiment 2~4
Except the kind of diamine compound or bismaleimide compound, the amount of allocating into change and embodiment 1 carry out polymerization equally, allocate into and estimate, the results are shown in table 1.1 of use this moment, two (3-(3-amino-benzene oxygen) phenoxy group) benzene, 1 of 3-, two (3-(3-(3-amino-benzene oxygen) phenoxy group) phenoxy group) benzene and 1 of 3-, two (3-(the 3-maleimide phenoxy group) phenoxy group) benzene of 3-use
1H-NMR and FD-mass spectrum are identified.
1, two (3-(3-amino-benzene oxygen) phenoxy group) benzene of 3-:
1H-NMR (CD
3SOCD
3) δ: 5.24 (s, 4H), 6.12-6.16 (ddd, 2H, J=7.83,2.43,0.82Hz), 6.23 (t, 2H, J=2.30Hz), 6.33-6.37 (ddd, 2H, J=7.83,2.43,0.82Hz), 6.61 (t, 2H, J=2.43Hz), 6.67 (t, 1H, J=2.43Hz), 6.71-6.80 (m, 6H), 6.99 (t, 2H, J=7.83Hz), 7.35 (t, 2H, J=7.83Hz), 7.38 (t, 1H, J=7.83Hz) FD-mass spectrums 476 (M+)
1, two (3-(3-(3-amino-benzene oxygen) phenoxy group) phenoxy group) benzene of 3-:
1H-NMR (CD
3SOCD
3) δ: 5.21 (s, 4H), 6.11-6.12 (ddd, 2H, J=7.83,2.16,0.81Hz), 6.21 (t, 8H, J=2.16Hz), 6.31-6.36 (ddd, 2H, J=7.83,2.16,0.81Hz), 6.67-6.82 (m, 13H), 6.98 (t, 8H, J=8.10Hz), and 7.31-7.42 (m, 5H), FD-mass spectrum 660 (M+)
1, two (3-(the 3-maleimide phenoxy group) phenoxy group) benzene of 3-:
1H-NMR (CDCl
3) δ: 6.72 (t, 3H, J=2.30Hz), 6.79-6.83 (dd, 6H, J=7.83,2.43Hz), 7.05-7.08 (m, 5H), 7.12-7.16 (m, 5H), 7.34-7.51 (m, 5H), FD-mass spectrum 636 (M+)
Embodiment 5
Add the N as solvent in the container that is equipped with mixer and nitrogen ingress pipe, N-dimethylacetylamide 855g is toward wherein adding 1, two (3-amino-benzene oxygen) the benzene 69.16g of 3-, dissolving and stirring under room temperature.Add 3,3 ', 4 then, 4 '-benzophenone tetracarboxylic dianhydride 75.84g in 60 ℃ of stirrings, obtains polyamic acid solution.The content of polyamic acid is 15 weight %.Add 1 in obtaining a part of 500g of varnish, two (3-maleimide phenoxy group) the benzene 48.3g of 3-stirred 2 hours under room temperature.
Use commercially available polyimide resin film (East レ デ ユ Port Application Co., Ltd. system, trade name: power プ ト Application (registration mark) 150EN), adopt the part of the polyamic acid solution that contains bismaleimide compound that aforesaid method will obtain to be coated with glue spreader, making dried thickness is 2 μ m, carried out 115 ℃ following 2 minutes, 150 ℃ following 2 minutes, 180 ℃ following 2 minutes, 240 ℃ following 2 minutes, 265 ℃ of dryings following 2 minutes in the air-cushion type drying oven, obtaining one side is the dielectric film of thermoplastic polyimide resin layer.Go up at commercially available electrolytic copper foil (Furukawa サ one キ Star ト Off オ イ Le society system FO-WS 9 μ m) then, under 240 ℃ and pressure 1.5MPA condition that metal forming and exhausted film is superimposed with laminating roll, then, in batch autoclave, in 280 ℃ of temperature and nitrogen atmosphere, annealed 4 hours, obtain polyimide metal laminate.The solder heat resistance temperature of the polyimide metal laminate that obtains is 320 ℃.In addition, tight is arranged, on the surface of under 1250 times section and etch Copper Foil being removed, observe, do not find the space for Copper Foil and polyimides interface.
Embodiment 6~13
Except the kind of diamines, acid dianhydride, BMI, the amount of allocating into and execute that example 5 is carried out polymerization equally, allocated into, lamination, evaluation, the results are shown in table 2.The complete observation sample does not have the space at Copper Foil and polyimides interface.
Embodiment 14
In the container that is equipped with mixer and nitrogen ingress pipe, add the N that contains polyamic acid 15 weight % as solvent, the N-dimethylacetylamide, with the ratio adding p-phenylenediamine and 3 of 30mol% and 70mol%, 4 '-oxo diphenylamines is stirred to dissolving under the room temperature toward wherein.Add 3,3 ', 4 then, 4 '-benzophenone tetracarboxylic dianhydride, 0.985 molar part (is 1 with the diamines total mole number) in 60 ℃ of stirrings, obtains polyamic acid solution.Add 1 in the varnish that obtains, two (the 3-maleimide phenoxy group) benzene (is 40wt% for polyamic acid) of 3-at room temperature stirred 2 hours.
The part of the polyamic acid solution that contains bismaleimide compound that taking-up obtains after the glass plate top casting, is warmed up to 270 ℃ with 7 ℃/minute speed from 50 ℃, obtains the film that thickness is 20 μ m.The glass transition temperature of gained polyimide film (Tg) is 220 ℃.
In addition, use commercially available polyimide resin film (East レ デ ユ Port Application Co., Ltd. system, trade name: カ プ ト Application (registration mark) 150EN), the part of the polyamic acid solution that contains bismaleimide compound that obtains is coated with into the film that dried thickness is 2 μ m with spreader, be warmed up to 270 ℃ with 7 ℃/minute speed from 50 ℃ and carry out drying, obtaining single face is the dielectric film of thermoplastic polyimide resin layer.Superimposed with commercially available electrolytic copper foil (the system FO-WS 9 μ m of Furukawa サ one キ Star ト Off オ イ Le society) then, in 130 ℃ of dryings after 1 hour, pressurizeed 4 hours down with pressure 2.5MPA in 300 ℃, the metal forming and the film that insulate is superimposed, obtain polyimide metal laminate.The space is not observed at Copper Foil and polyimides interface.In addition, the result who carries out disbonded test is 0.85kN/m.
Embodiment 15,16
Except the kind that changes diamines, acid dianhydride, BMI, the amount of allocating into and embodiment 14 carries out polymerization equally, allocates into, lamination, evaluation.The results are shown in table 3.The complete observation sample does not have the space at Copper Foil and polyimides interface.
Comparative example 1
Except not allocating bismaleimide compound into and embodiment 1 carry out polymerization equally, allocate into, estimate, the results are shown in table 1.Peel adhesion strength is 0kN/m, does not have bonding fully.
Comparative example 2
In the container that is equipped with mixer and nitrogen ingress pipe, add N as solvent, N-dimethylacetylamide 855g, toward wherein adding 1, two (3-amino-benzene oxygen) the benzene 69.16g of 3-are stirred to dissolving under the room temperature.Add 3,3 ', 4 then, 4 '-benzophenone tetracarboxylic dianhydride 75.84g in 60 ℃ of stirrings, obtains polyamic acid solution.The content of polyamic acid is 15 weight %.
Use commercially available polyimide resin film (East レ デ ユ Port Application Co., Ltd. system, trade name: カ プ ト Application (registration mark) 150EN), with the part of the polyamic acid solution that obtains with being coated with into the film that dried thickness is 2 μ m on the laminating roll, following 2 minutes of 115 ℃ following 2 minutes, 150 ℃ following 2 minutes, 180 ℃ following 2 minutes, 240 ℃ following 2 minutes, 265 ℃ of air-cushion type drying oven inner dryings, obtaining one side was the dielectric film of thermoplastic polyimide resin layer.The same with embodiment 5 then, on the commercially available electrolytic copper foil, under 240 ℃ and pressure 1.5MPA condition that metal forming and exhausted film is superimposed with laminating roll, in batch autoclave, in 280 ℃ and nitrogen atmosphere, anneal, obtain polyimide metal laminate.The solder heat resistance temperature of the polyimide metal laminate that obtains is 260 ℃.Observing Copper Foil and polyimides interface has the space of several μ m~tens of μ m.
Comparative example 3~5
Except not allocating bismaleimide compound into and embodiment 14,15,16 carry out polymerization equally, allocate into, estimate, the results are shown in table 3.Peel adhesion strength is 0kN/m, does not have bondingly fully, can not estimate the space.
Table 1
Diamine compound *1) | Acid dianhydride *2) | Bismaleimide compound *3) | Tg DSC method | Peel adhesion strength | |
Unit | ??mol | ????mol | ??wt% | ??℃ | ????kN/m |
Embodiment 1 | ??APB ??0.0410 | ????BTDA ????0.0369 | ??APB-BMI ??40 | ???106 | ????1.6 |
Embodiment 2 | ??APB5 ??0.0329 | ????BTDA ????0.0312 | ??APB-BMI ??20 | ???116 | ????2.4 |
Embodiment 3 | ??APB5 ??0.0329 | ????BTDA ????0.0313 | ??APB5-BMI ??15 | ???125 | ????1.6 |
Embodiment 4 | ??APB7 ??0.0200 | ????BTDA ????0.0190 | ??APB-BMI ??10 | ???115 | ????2.2 |
Bi More example 1 | ??APB ??0.0410 | ????BTDA ????0.0369 | ??- | ???195 | ????0 |
Table 2
Diamine compound *1) | Acid dianhydride *2) | Bismaleimide compound *3)???? | Solder heat resistance | |
????mol | ????mol | ????wt% | ????℃ | |
Embodiment 5 | ????APB ????0.2366 | ????BTDA ????0.2354 | ????APB-BMI ????25 | ????320 |
Embodiment 6 | ????APB ????0.2366 | ????BPDA ????0.2354 | ????APB-BMI ????20 | ????300 |
Embodiment 7 | ????DABP ????0.2366 | ????BTDA ????0.2354 | ????APB-BMI ????40 | ????350 |
Embodiment 8 | ????m-BP ????0.2366 | ????PMDA ????0.2354 | ????APB-BMI ????40 | ????350 |
Embodiment 9 | ????APB5 ????0.2366 | ????BTDA ????0.2354 | ????APB-BMI ????20 | ????320 |
Embodiment 10 | ????ODA ????0.2366 | ????BTDA ????0.2354 | ????APB-BMI ????40 | ????360 |
Embodiment 11 | ????APB ????0.2366 | ????BTDA ????0.2354 | ????BMI-MP ????25 | ????350 |
Embodiment 12 | ????APB ????0.2366 | ????BTDA ????0.2354 | ????BMI-S ????25 | ????350 |
Embodiment 13 | ????DABP ????0.2366 | ????ODPA ????0.2354 | ????BMI-S ????10 | ????320 |
Bi More example 2 | ????APB ????0.2366 | ????BTDA ????0.2354 | ????- | ????260 |
Table 3
Diamine compound *1) | Acid dianhydride *2) | Bismaleimide compound *3) | Tg solid viscosity method | Peel adhesion strength | |
??mol | ????mol | ??wt% | ???℃ | ????kN/m | |
Embodiment 14 | ??3,4′-ODA ??(70mol%) ??0.0150 ??PPD ??(30mol%) ??0.0064 | ????BTDA ????0.0211 | ??APB-BMI ??40 | ???220 | ????0.85 |
Bi More example 3 | The same | The same | ???- | ???290 | ????0 |
Embodiment 15 | ??ODA ??(70mol%) ??0.0150 ??m-BP ??(30mol%) ??0.0064 | ????PMDA ????0.0211 | ???APB-BMI ???40 | ???260 | ????0.7 |
Bi More example 4 | The same | The same | ????- | ???340 | ????0 |
Embodiment 16 | ??ODA ??(70mol%) ??0.0150 ??PPD ??(30mol%) ??0.0064 | ????PMDA ????(50mol%) ????0.0105 ????BPDA ????(50mol%) ????0.0105 | ????APB-BMI ????40 | ???242 | ????0.6 |
Bi More example 5 | The same | The same | ??????- | ???320 | ????0 |
Annotate
*1) APB:1, two (3-amino-benzene oxygen) benzene of 3-
APB5:1, two (3-(3-amino-benzene oxygen) phenoxy group) benzene of 3-
APB7:1, two (3-(3-(3-amino-benzene oxygen) phenoxy group) phenoxy group) benzene of 3-
DABP:3,3 '-diaminobenzophenone
M-BP:4,4 '-(3-amino-benzene oxygen) diphenyl
ODA:4,4 '-the oxo diphenylamines (4,4 '-diamino-diphenyl ether)
3,4 '-ODA:3,4 '-the oxo diphenylamines (3,4 '-diamino-diphenyl ether)
The PPD:p-phenylenediamine
*2) BTDA:3,3 ', 4,4 '-benzophenone tetracarboxylic dianhydride
BPDA:3,3 ', 4,4 '-biphenyl tetracarboxylic dianhydride
ODPA:3,3 ', 4,4 '-the diphenyl ether tetracarboxylic dianhydride
PMDA: anhydrous PMA
*3) APB-BMI:1, two (the 3-maleimide phenoxy group) benzene of 3-
APB5-BMI:1, two (3-(the 3-maleimide phenoxy group) phenoxy group) benzene of 3-
BMI-MP:N, N '-m-phenylene BMI
BMI-S: two (4-maleimide phenyl) methane
Resin combination of the present invention is because the low effect of Tg, and makes low temperature adhesion good, can be adapted at the purposes of electronic applications as hear resistance adhesive etc.
Because the present invention does not use high processing temperature, can obtain not having on metal and the polyimides interface laminate with high bonding strength in remaining space, and in the LSI substrate strict and component packages operation and reparing process, do not produce bubble to serviceability temperature, can provide solder heat resistance good polyimide-metal pressing plate.
Claims (5)
1. a metal laminate is characterized in that, will sneak in polyamic acid and/or polyimides by general formula (1)
(m is the integer more than 0 in the formula; X is identical or different, represents O, SO respectively
2, S, CO, CH
2, C (CH
3)
2, C (CF
3)
2Or key; R1 is identical or different, expression hydrogen atom, halogen atom, alkyl, and it is separate at the position of substitution on the phenyl ring) bismaleimide compound of expression and the resin combination that obtains is laminated on the one side at least of metal forming.
2. according to the described metal laminate of claim 1, it is characterized in that described metal laminate has at the one or both sides of the Kapton more than one deck and forms polyimide layer and make the structure of metal lamination on the one or both sides on this polyimide layer.
3. according to the described metal laminate of claim 1, it is characterized in that polyamic acid and/or polyimides have general formula (2) and general formula (3) respectively
(n represents the integer more than 0 in the formula; Y is identical or different, represents O, SO respectively
2, S, CO, CH
2, C (CH
3)
2, C (CF
3)
2Or directly key connects; A is 4 valency organic groups; R2 is identical or different, expression hydrogen atom, halogen atom, alkyl, and its position of substitution on phenyl ring is separate) repetitive of expression.
4. according to the described metal laminate of claim 3, wherein the 4 valency organic groups represented of A are groups of general formula (4) expression:
(Z represents O, SO in the formula
2, S, CO, CH
2, C (CH
3)
2, C (CF
3)
2Or key.)
5. the polyimide metal laminate resin combination is characterized in that, sneaks in polyamic acid and/or polyimides by general formula (1)
(m is the integer more than 0 in the formula; X is identical or different, represents O, SO respectively
2, S, CO, CH
2, C (CH
3)
2, C (CF
3)
2Or key; R1 is identical or different, expression hydrogen atom, halogen atom, alkyl, and its position of substitution on phenyl ring is separate) bismaleimide compound of expression.
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JP2002330365 | 2002-11-14 |
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CN101189287B (en) * | 2005-06-03 | 2011-04-20 | 三井化学株式会社 | Polyimide film, polyimide metal laminate, and method for producing the same |
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KR101401657B1 (en) * | 2009-12-18 | 2014-06-03 | 에스케이이노베이션 주식회사 | Polyimide resin composition and metal clad laminate the same |
TWI774559B (en) * | 2021-09-13 | 2022-08-11 | 南亞塑膠工業股份有限公司 | Polyphenylene ether resin modified by bismaleimide, manufacturing method thereof, and substrate material of circuit board |
TWI834447B (en) * | 2022-12-23 | 2024-03-01 | 南亞塑膠工業股份有限公司 | Resin composition |
-
2003
- 2003-06-25 KR KR10-2003-0041377A patent/KR100517233B1/en not_active IP Right Cessation
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