WO2001042360A1 - Composition de resine epoxyde ignifuge et stratifie obtenu a partir de celle-ci - Google Patents
Composition de resine epoxyde ignifuge et stratifie obtenu a partir de celle-ci Download PDFInfo
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- WO2001042360A1 WO2001042360A1 PCT/JP2000/008595 JP0008595W WO0142360A1 WO 2001042360 A1 WO2001042360 A1 WO 2001042360A1 JP 0008595 W JP0008595 W JP 0008595W WO 0142360 A1 WO0142360 A1 WO 0142360A1
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- epoxy resin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/02—Polycondensates containing more than one epoxy group per molecule
- C08G59/04—Polycondensates containing more than one epoxy group per molecule of polyhydroxy compounds with epihalohydrins or precursors thereof
- C08G59/06—Polycondensates containing more than one epoxy group per molecule of polyhydroxy compounds with epihalohydrins or precursors thereof of polyhydric phenols
- C08G59/063—Polycondensates containing more than one epoxy group per molecule of polyhydroxy compounds with epihalohydrins or precursors thereof of polyhydric phenols with epihalohydrins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
- C08G59/621—Phenols
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
- Y10T428/31515—As intermediate layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
Definitions
- the present invention relates to a flame-retardant epoxy resin composition having excellent flame retardancy and safety, and a varnish solution, a pre-preda, and a laminate prepared using the same.
- the use of the above-described flame retardant or flame retardant auxiliary in the epoxy resin composition promotes corrosion of metal in addition to safety problems, and thus has a problem in its application.
- the wiring corrosion resistance, particularly at high temperatures, has been reduced, and the reliability of the electronic parts has sometimes been impaired. Therefore, development of an epoxy resin composition that does not use a halogen-based flame retardant or antimony trioxide has been desired.
- the second challenge is that the dielectric constant increases and the moisture resistance and solder heat resistance decrease. It is essential that these properties be maintained well in laminate applications, but metal hydroxides tend to absorb moisture and have a high dielectric constant. It is.
- Japanese Patent Application Laid-Open No. 11-140,277 discloses a phenolic resin having a novolak structure containing a biphenyl derivative and / or a naphthalene derivative in the molecule, a biphenyl derivative and / or a naphthalene derivative in the molecule.
- An epoxy resin composition for semiconductor encapsulation without a flame retardant which contains an epoxy resin having a novolak structure, an inorganic filler and a curing accelerator containing the same as essential components is disclosed.
- the epoxy resin composition for semiconductor encapsulation has a structure in which a phenolic resin or an epoxy resin containing a polyaromatic compound such as a biphenyl derivative or a naphthylene derivative reacts to form a crosslinked structure, When ignited, the surface of the resin composition expands in a rubber-like manner to form a foamed layer. This foam layer blocks the supply of heat and oxygen to the unburned parts, and develops high flame retardancy.
- the above resin composition is designed so as to be suitable for semiconductor encapsulation, and when applied to a laminated board or the like, sufficient flame retardancy is not necessarily obtained. This is due to the deformation of resin such as glass woven fabric and glass non-woven fabric during the structure of the laminate. This is due to the fact that there is a base material that hinders (expansion), so that it is difficult to sufficiently form a stable foam layer at the time of ignition. Disclosure of the invention
- the present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a flame-retardant epoxy resin composition that achieves an unprecedentedly high level of flame retardancy and safety.
- various properties required for laminates that is, good workability, dielectric properties, moisture resistance, solder heat resistance, etc.
- the purpose is to provide high flame retardancy while maintaining.
- a flame-retardant epoxy resin composition containing an epoxy resin, a curing agent and a metal hydroxide
- the curing agent comprises a structural unit derived from phenols (A) and the phenols
- a flame-retardant epoxy resin composition characterized in that it is a phenolic resin (C) containing in its molecular chain a structural unit derived from an aromatic (B) other than (A). .
- a flame-retardant epoxy resin composition containing an epoxy resin, a curing agent and a metal hydroxide,
- the epoxy resin is a phenol-based resin containing, in its molecular chain, a structural unit derived from a phenol (A) and a structural unit derived from an aromatic (B) other than the phenol (A).
- a flame-retardant epoxy resin composition characterized by being a novolak-type epoxy resin (D) in which a phenolic hydroxyl group of the resin (C) is glycidyl etherified.
- a flame-retardant epoxy resin composition comprising an epoxy resin, a curing agent and a metal hydroxide,
- the curing agent is a phenol-based resin containing, in its molecular chain, a structural unit derived from a phenol (A) and a structural unit derived from an aromatic (B) other than the phenol (A).
- the epoxy resin has a phenol containing a structural unit derived from a phenol ( ⁇ ') and a structural unit derived from an aromatic compound ( ⁇ ') excluding the phenol ( ⁇ ') in a molecular chain.
- a flame-retardant epoxy resin composition characterized in that the phenolic hydroxyl group of the resin (C) is a nopolak epoxy resin (D) in which phenolic hydroxyl groups have been glycidyl etherified.
- phenols ( ⁇ ) and phenols ( ⁇ '), aromatics ( ⁇ ) and aromatics ( ⁇ '), phenolic resins (C) and phenolic resins (C ') may be the same or different.
- the description of phenols ( ⁇ ), aromatics ( ⁇ ) and phenolic resins (C) in this specification is based on phenols ( ⁇ ,), aromatics ( ⁇ ') and phenolic resins. The same applies to (C ').
- an epoxy resin varnish solution obtained by dispersing the flame-retardant epoxy resin composition in an organic solvent, a pre-preda obtained by impregnating a substrate with the flame-retardant epoxy resin composition and hardening the same A laminate is provided by stacking a plurality of the prepregs and heating and pressing.
- the present invention realizes a high flame retardant effect by using a phenol resin or an epoxy resin having the above specific structure and further using a metal hydroxide in combination.
- a phenol resin or an epoxy resin having the above specific structure and further using a metal hydroxide in combination.
- a more remarkable flame retardant effect can be obtained.
- the flame-retardant epoxy resin composition of the present invention comprises a phenolic resin (C) containing, in its molecular chain, a structural unit derived from a phenol ( ⁇ ) and a structural unit derived from an aromatic ( ⁇ ). And / or an epoxy resin (D) in which the phenolic hydroxyl group of the phenolic resin (C) is glycidyl etherified, and further contains a metal hydroxide. Therefore, as shown below, a high degree of flame retardant effect can be obtained by the synergistic action of these.
- an epoxy resin composition in which a phenolic resin (C) and / or an epoxy resin (D) containing an aromatic compound ( ⁇ ) in a molecular skeleton forms a crosslinked structure.
- the resin layer on the surface expands in a rubber-like manner by a decomposition gas generated inside the cured product at the time of ignition to form a stable foamed layer, and exhibits a flame-retardant effect.
- an epoxy resin composition such as a laminated board in which a base material that prevents deformation (expansion) of a resin component such as a glass woven fabric or a glass nonwoven fabric is present has a high flame retardant effect. It was difficult to efficiently form a layer, and sufficient flame retardancy was not obtained.
- the flame-retardant epoxy resin composition of the present invention uses a metal hydroxide in addition to the epoxy resin and the curing agent having the specific structure described above. As a result, a synergistic action of the two provides a remarkable flame-retardant action not found in the prior art. Although the reason is not necessarily clear, it is considered that the flame retardancy of this flame retardant epoxy resin composition is expressed by the following mechanism.
- the metal hydroxide When the cured body of the flame-retardant epoxy resin composition of the present invention ignites, the metal hydroxide is thermally decomposed to generate steam. The generated water vapor deforms and expands the resin cured body softened by heat, and promotes the formation of a foam layer. For this reason, even in a structure having a substrate that prevents deformation (expansion) of a resin component such as a glass woven fabric or a glass nonwoven fabric, a foam layer can be sufficiently formed at the time of ignition. In addition, this foamed layer has a high hot strength due to its unique cross-linking structure by using a special epoxy resin and a curing agent, and has a structure that is hard to break by heat. Since it is filled with such a material, it functions effectively as a combustion suppressing layer that effectively blocks heat and oxygen.
- the metal hydroxide is converted into a metal oxide by combustion, but this metal oxide remains uniformly in the resin body. It is thought that this functions as a support and also plays a role in making the size of the foam layer uniform. Thus, it is considered that the metal hydroxide plays a role in suitably maintaining the structure of the foamed layer and improving the combustion suppressing effect of the foamed layer.
- the present invention promotes the generation of a foam layer having high hot strength by using an epoxy resin or a curing agent having a specific structure in combination with a metal hydroxide, and fills the foam layer with water vapor.
- the metal oxide serves as a support and the foamed layer has a structure suitable for suppressing combustion, thereby achieving a high degree of flame retardancy.
- a metal hydroxide is used for such a purpose, a sufficient flame-retardant effect can be obtained with a small amount of addition as compared with the conventional technique in which a metal hydroxide is simply added for the purpose of lowering the temperature. It is done.
- the flame retardancy can be significantly improved by adding a silicone compound having a branched main chain and having an aromatic compound in the structure.
- the silicone compound reacts with the epoxy resin and the curing agent in the epoxy resin composition to form a flame-retardant product having excellent heat-decomposability.
- a foamed layer that is difficult to foam is formed, and a higher degree of flame retardancy can be realized.
- the silicone compound is used in combination, the amount of metal hydroxide added can be further reduced. Also, the deterioration of the moldability and the electrical characteristics (dielectric characteristics) can be prevented more effectively.
- FIG. 1 is a diagram for explaining the parameters used in the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
- the phenols (A) in the present invention are not particularly limited as long as they are aromatic compounds having a phenolic hydroxyl group.
- naphthols such as phenol, or naphthol, and naphthol , Bisphenol fluorene type phenols, or polyphenols such as cresol, xylenol, ethyl phenol, butyl phenol, nonylphenol, octyl phenol, etc.
- polyphenols such as bisphenol A, bisphenol F, bisphenol S, resorcinol, catechol, etc.
- Phenylphenol aminophenol and the like.
- the use of these phenols is not limited to one type, and two or more types can be used in combination.
- the aromatics (B) in the present invention are one or more aromatic compounds excluding the phenols (A).
- the aromatics (B) are not particularly restricted but include, for example, biphenyl and its derivatives, benzene and its derivatives, diphenyl ether And its derivatives, naphthalene and its derivatives, anthracene and its derivatives, fluorene and its derivatives, bisphenol fluorene and its derivatives, bisphenol S and its derivatives, bisphenol F and its derivatives, bisphenol A and its derivatives, etc. Is mentioned. Of these, biphenyl and its derivatives, and benzene and its derivatives are preferably used.
- aromatics (B) containing a biphenyl derivative are highly effective in improving flame retardancy and are therefore preferred.
- the distance between the cross-linking points of the cured resin is longer than that of the benzene derivative or the like, so that it can be assumed that foaming is more likely to occur at the time of ignition and flame retardancy is promoted.
- the gaseous thermal decomposition product generated at the time of ignition causes the resin surface to foam, but the fact that the thermal decomposition product itself is difficult to ignite is also a factor in flame retardancy. I think it is affecting.
- the aromatics (B) preferably have a chain-type bonding group containing an unsaturated bond having 1 to 6 carbon atoms or a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms.
- Examples of the linking group having a chain structure containing an unsaturated bond include an aryl group.
- Examples of the alkyl group having 1 to 6 carbon atoms include a methyl group, an ethyl group, and a propyl group.
- the phenolic resin (C) in the present invention is not particularly limited as long as it is a phenolic resin having a novolak structure containing phenols (A) and aromatics (B) other than phenols.
- the use of these phenolic resins is not limited to one type, and two or more types can be used in combination.
- the aromatics (B) are preferably a phenol biphenyl aralkyl type resin or a phenol phenyl aralkyl type resin, which is biphenyl and its derivative or benzene and its derivative.
- a phenol biphenyl aralkyl type resin or a phenol phenyl aralkyl type resin, which is biphenyl and its derivative or benzene and its derivative.
- an epoxy resin composition having a moderately low bridge density can be obtained, and a rubber-like foamed layer having excellent heat decomposition resistance at the time of ignition is more preferably formed.
- biphenyl and its derivatives and benzene and its derivatives are excellent in hydrophobicity, and therefore, when these are introduced, the moisture resistance of the resin composition is also improved.
- the phenolic resin (C) in the present invention preferably has, for example, a repeating unit represented by any one of the following formulas (I) to (IV).
- X and X 2 each independently represent a bonding group having a chain structure containing an unsaturated bond having 1 to 6 carbon atoms or a substituted or unsubstituted alkylene group having 1 to 6 carbon atoms, Represents a phenylene group, a biphenylene group, or a derivative group thereof.
- a resin having such a repeating unit a rubber-like foamed layer having excellent thermal decomposition resistance at the time of ignition is more preferable.
- the moisture resistance of the resin composition is improved.
- the above-mentioned phenolic resin composition of the present invention the above-mentioned phenolic resin
- a phenolic resin other than (C) may be used in combination.
- the content of the phenolic resin (C) based on the total amount of the phenolic resin is preferably 5% by mass or more, more preferably 30% by mass or more. If the content is too low, the flame retardancy may be insufficient.
- the curing agent in addition to the above-mentioned phenolic resin (C), other phenolic resin-based compounds can be used in combination.
- the phenolic resin that can be used in combination is not particularly limited.
- phenol biphenyl triazine type resin ⁇ k phenol phenylene triazine type resin, phenol triazine type resin, biphenyl-1,4'-diphenyl Droxyl ester and 3,3 ', 5,5'-tetramethylbiphenyl-1,4'-dihydroxyl ether, tetraphenylroleethane, trisphenylolethane, phenol novolak resin, cresol novolak resin , Bisphenol A resin, Bisphenol F resin, Bisphenol S resin, Polyphenol resin, Aliphatic phenol resin, Aromatic ester phenol resin, Cycloaliphatic ester resin
- Phenolic resin and ether ester type phenol resin Phenolic resin and ether ester type phenol resin.
- the amine compound that can be used in combination is not particularly limited, and examples thereof include diaminodiphenylmethane, diethylenetriamine, and diaminodiphenylsulfone.
- These phenolic resin-based compounds may be used alone or as a mixture of several kinds. Among them, phenol biphenyl triazine type resin, phenol phenylene triazine type resin, and phenol triazine type resin are particularly preferable in view of enhancing flame retardancy.
- the novolak epoxy resin (D) in the present invention comprises, in a molecular chain, a structural unit derived from a phenol (A) and a structural unit derived from an aromatic (B) other than the phenol (A).
- This is a novolak epoxy resin in which the phenolic hydroxyl group of the phenolic resin (C) is glycidyl etherified.
- Examples of such a novolak type epoxy resin include, for example, phenol biphenyl aralkyl type epoxy resin.
- the use of these epoxy resins is not limited to one type, and two or more types can be used in combination.
- the aromatics (B) are preferably phenol biphenyl aralkyl type epoxy resin or phenol phenylene aralkyl type epoxy resin in which biphenyl and its derivative or benzene and its derivative are used.
- This is preferable in that an epoxy resin composition having a moderately low crosslink density can be obtained, and a rubber-like foamed layer having excellent thermal decomposition resistance at the time of ignition is more suitably formed.
- biphenyl and its derivatives and benzene and its derivatives have extremely high flame retardant effects and are also excellent in hydrophobicity, so that their introduction improves the moisture resistance of the resin composition. 1
- the content of the epoxy resin (D) is preferably 5% by mass or more, more preferably 30% by mass or more based on the total amount of the epoxy resin. If the content is too low, the flame retardancy may be insufficient.
- the epoxy resin that can be used in combination with the epoxy resin (D) is not particularly limited. Examples thereof include phenol biphenyl triazine type epoxy resin, phenol phenylene triazine type epoxy resin, phenol triazine type epoxy resin, and biphenyl 4,4'-diglycidyl ether and 3,3 ', 5,5'-tetramethylbiphenyl-1,4,4'-diglycidyl ether at least one or a mixture of tetraphenylenediphenyl-type epoxy resin, Trisphenylol ethane epoxy resin, phenol novolak epoxy resin, cresol novolak epoxy resin, bisphenol A epoxy resin, bisphenol F epoxy resin, bisphenol S epoxy resin, polyphenol epoxy resin, aliphatic epoxy Tree , Aromatic ester type epoxy resin, cyclic aliphatic ester type Epoki shea resin and ether ester type epoxy resins.
- glycidylated amine compounds such as diamino diphenyl: methane, diethylene triamine and diamino diphenyl sulfone can be used.
- These epoxy resins may be used alone or as a mixture of several types.
- phenol-biphenyl triazine type epoxy resin, phenol phenylene triazine type epoxy resin, and phenol triazine type epoxy resin are particularly preferable in terms of enhancing flame retardancy.
- the weight average molecular weight of the phenolic resin (C) and the epoxy resin (D) contained in the flame-retardant epoxy resin composition of the present invention is not particularly limited, but is, for example, from 300 to 100000.
- the weight average molecular weight can be measured by GPC (gel permeation chromatography).
- the epoxy resin of the epoxy resin with respect to the total number of hydroxyl groups of the curing agent ( ⁇ H) If the ratio (OH / E p) of the total number of bases (E p) is ⁇ 7 ⁇ (OH / E p) ⁇ 2.5, the flame retardancy of the cured product obtained by curing these is improved. If (OHZEp) is less than 0.7, which is more appropriate above, it is derived from the epoxy group remaining in the crosslinked structure formed by the curing agent and the epoxy resin in the cured product. However, since the amount of flammable components such as aryl alcohol increases, it may hinder the improvement of flame retardancy.
- the metal hydroxide contained in the flame-retardant epoxy resin composition of the present invention is selected from aluminum, magnesium, zinc, boron, calcium, nickel, cobalt, tin, molybdenum, copper, iron, and titanium. It is also preferable that the metal hydroxide is composed of at least one element.
- metal hydroxides include aluminum hydroxide, magnesium hydroxide, zinc borate, calcium hydroxide, nickel hydroxide, cobalt hydroxide, tin hydroxide, zinc molybdate, copper hydroxide, and water.
- Metal hydroxide mainly composed of iron oxide or the like can be used. These metal hydroxides may be used alone, or several kinds may be mixed or dissolved, or one of the metal hydroxides may be coated with another metal hydroxide for use.
- aluminum hydroxide, magnesium hydroxide, and zinc borate are preferred in terms of improving flame retardancy.
- aluminum hydroxide is particularly preferable because it has excellent resistance to acids and alkalis and also has excellent curability of the cured product.
- the content of the metal hydroxide based on the total weight of the flame-retardant epoxy resin composition of the present invention is preferably 70% by mass or less.
- the total amount of the above-mentioned flame-retardant epoxy resin composition refers to an amount including various additives such as a curing accelerator, a silicone compound, and a filler in addition to an epoxy resin and a curing agent. When used, it refers to the amount excluding the base material such as glass fiber. With such a content, a high degree of flame retardancy can be realized while maintaining good moldability and dielectric properties. For this reason, especially when used for laminates, it is possible to obtain high-quality laminates having high flame retardancy.
- the content when the content is 60% by mass or less, solder heat resistance and moisture resistance become remarkable. Significantly improved. For this reason, for example, when used for laminates, a high-quality laminate excellent in solder heat resistance can be obtained. Further, when the content is 55% by mass or less, moldability, dielectric properties, and moisture resistance are further improved, which is preferable.
- the lower limit of the content is preferably at least 10% by mass, more preferably at least 30% by mass. In this way, sufficient flame retardancy can be realized. In addition, in the case of using a powder having a melting force such as a melting force or a crystal force, sufficient flame retardancy can be obtained even when the content of the metal hydroxide is reduced.
- the flame-retardant epoxy resin composition of the present invention may further include a silicone compound having a branched main chain and having an aromatic derivatizing group. In this way, the flame retardancy can be further improved, and the addition amount of the metal hydroxide can be further reduced, so that the deterioration of the moldability and the electrical properties (dielectric properties) can be more effectively prevented. .
- the aromatic derivative group contained in the silicone compound in the present invention is a functional group derived from aromatics, and the aromatics are a benzene ring, a condensed benzene ring, a polyaromatic ring, a non-benzene-based aromatic ring. And compounds having an aromatic ring such as a heteroaromatic ring.
- aromatics include benzene, naphthylene, anthracene, biphenyl, diphenyl ether, biphenylene, pyrrol, benzoguanamine, melamine, acetoguanamine, and derivatives thereof.
- the derivative include those obtained by adding an alkyl group having 1 to 10 carbon atoms to the above compound.
- a preferred embodiment of the aromatic derivative group is a phenyl group. This is because it is superior in the effect of improving the flame retardancy.
- the silicone compound in the present invention preferably has a branched main chain, and preferably has a unit (T unit) represented by the formula RSiOu in its structure. Further, the expression S i 0 2.
- the unit (Q unit) represented by may be contained.
- the branched structure of the silicone compound is represented by a unit (T unit) represented by the formula RS and a formula R 2 Si 0. In unit represented (D units), wherein R, 3 S i ⁇ ⁇ . And is composed of units (Micromax units) represented by 5 particularly preferred in view of flame retardancy improvement. Of such a structure If it is, the thermal decomposition resistance can be more effectively improved, and the flame retardancy can be further improved.
- Examples of such a silicone compound include those having a structure represented by the following formula.
- the silicone compound in the present invention preferably has a reactive group capable of reacting with the epoxy resin and Z or a curing agent.
- R and R 'each include at least one of a reactive group capable of reacting with an epoxy resin or a curing agent, for example, a hydroxyl group, an alkoxy group having 1 to 5 carbon atoms, an epoxy group, and a carboxyl group. It is preferred that These reactive groups are not limited to one kind, and may contain two or more kinds.
- an alkyl group having 1 to 10 carbon atoms, particularly a methyl group is preferred, excluding aromatics.
- the ratio of the reactive group to the total amount of the functional groups (R and R ′) constituting the silicone compound of the present invention is preferably 0.05 mol% or more and less than 20 mol%, and more preferably 0.1 mol%. It is preferably at least 10 mol%.
- the weight-average molecular weight of the silicone compound contained in the flame-retardant epoxy resin composition of the present invention is not particularly limited, but is not limited to 200. 5500,000, preferably 100,000 to 100,000. Preferred. If the weight average molecular weight is too low, the flame retardancy of the silicone compound itself may decrease. On the other hand, if the weight average molecular weight is too large, the dispersibility of the silicone compound in the epoxy resin composition becomes insufficient, and the moldability may decrease. In addition, the weight average molecular weight can be measured by GPC (gel 'permeation' chromatography).
- the molar ratio (T / D) of the T unit (unit represented by the formula RS iO) and the D unit (unit represented by the formula R 2 S i0 ⁇ ) constituting the silicone compound used in the present invention is represented by (T / D) It is preferable that 0.1Z1) ⁇ (T / D) ⁇ (9/1).
- (T / D) is less than (0.1Z1), the heat resistance of the silicone compound itself deteriorates, so that the flame retardancy of the epoxy resin composition containing the silicone compound may decrease.
- (T / D) exceeds (9/1), the moldability of the epoxy resin composition containing the silicone compound may decrease.
- the proportion of the phenyl group in the total amount of the functional groups (R, R ') constituting the silicone compound of the present invention is preferably at least 20 mol%, particularly preferably at least 40 mol%. If the above ratio is less than 20 mol%, the compatibility of the silicone compound with the phenolic resin and the epoxy resin constituting the epoxy resin composition of the present invention is reduced, so that the moldability and flame retardancy of the epoxy resin composition are reduced. May decrease.
- the content of the silicone compound contained in the flame-retardant epoxy resin composition of the present invention having a branched main chain and having aromatics in the structure simultaneously achieves good flame retardancy and moldability.
- the content is preferably 0.1% by mass or more and 20% by mass or less based on the total amount of the phenolic resin, the epoxy resin, the metal hydroxide, and various additives constituting the flame-retardant epoxy resin composition. . If it is less than 0.1% by mass, the flame retardancy may be insufficient, and if it exceeds 20% by mass, the moldability of the epoxy resin composition may be reduced.
- the silicone compound of the present invention can be used after it is preliminarily reacted with the phenolic resin or epoxy resin of the present invention and another curing agent epoxy resin to form a complex.
- a metal oxide may be used in combination with the metal hydroxide contained in the flame-retardant epoxy resin composition of the present invention, if necessary.
- Specific examples of metal oxides that can be used in combination include, but are not limited to, silicon oxide and calcium oxide. These metal oxides may be used alone or as a mixture or solid solution of several types. It may be mixed with a metal hydroxide or coated on the surface of the metal hydroxide or solid-solved with the metal hydroxide before use.
- a combination of aluminum hydroxide, magnesium hydroxide, and silicon oxide is preferable from the viewpoint of improving flame retardancy.
- those obtained by subjecting a metal hydroxide constituting the epoxy resin composition of the present invention to a surface treatment with an organic substance such as a phenol resin or other various polymers may be used.
- the surface treatment of metal hydroxide coated with metal oxide, or metal hydroxide solidified with metal oxide is treated with an organic substance such as phenolic resin or other various polymers. It can also be used.
- the flame-retardant epoxy resin composition of the present invention may contain various additives such as a curing accelerator, a release agent, a surface treatment agent, and a filler other than metal hydroxide, if necessary. Is also good.
- the curing accelerator those generally used for curing an epoxy resin and a curing agent can be used.
- diazabicycloalkenes and derivatives thereof such as 1,8-diazabicyclo (5,4,0) indene-17, triethylenediamine, benzyldimethylamine, triethanolamine, dimethylaminoethanol, tris (Dimethylaminomethyl) tertiary amines such as phenol, imidazoles such as 2-methylimidazole, 2-phenylimidazole, 2-phenyl-14-methylimidazole, 2-hepcidecylimidazole, and tris Organic phosphines such as butylphosphine, methyldiphenylphosphine, triphenylphosphine, etc., tetra-substituted phosphonium / tetra-substituted borate such as tetraphenylphosphonium / te
- the flame-retardant epoxy resin composition of the present invention may contain, as necessary, other additives such as a coloring agent such as Ripbon black, a low stress component such as silicone oil and silicone rubber, and a silicone powder.
- a coloring agent such as Ripbon black
- a low stress component such as silicone oil and silicone rubber
- silicone powder a silicone powder.
- Various additives such as an agent may be appropriately compounded.
- an organosilane compound that is, an alkoxysilane having a reactive functional group
- an alkoxysilane having a reactive functional group is important for improving the strength, chemical resistance, and electrical properties of the flame-retardant epoxy resin composition of the present invention.
- the alkoxysilane include aminosilane compounds such as aminopropyl triethoxysilane and N-phenyl-aminoaminopropyl methoxysilane, ⁇ -glycidoxypropyl trimethoxysilane, and ⁇ -glycidoxy.
- Epoxy silane compounds such as provyl methyl ethoxy silane, vinyl silane compounds such as vinyl tris (5-methoxetoxy) silane, acryl silane compounds such as a-methacryloxy propyl trimethoxy silane, and mercapto silane compounds such as a-mercapto propyl trimethoxy silane And the like.
- these coupling agents an aminosilane compound or an epoxysilane compound is preferable, and an aminosilane compound is particularly preferable, from the viewpoint of improving the adhesion between the resin component constituting the epoxy resin composition of the present invention and the metal hydroxide. .
- the flame-retardant epoxy resin composition of the present invention can use a known filler other than the metal hydroxide.
- a known filler for example, powders of carbon fiber, fused silica, crystalline silica, alumina, zircon, calcium silicate, calcium carbonate, silicon carbide, boron nitride, beryllia, talc, titanium oxide, zirconium, etc., or spherical beads of these And single crystal fibers such as potassium titanate, silicon carbide, silicon nitride, and alumina.
- One of these fillers may be used alone, or two or more thereof may be used in combination.
- powders of fused silica and crystalline silica are preferred.
- the flame-retardant epoxy resin composition of the present invention is more effective when used for a composite material obtained by impregnating and curing a base material such as glass fiber, paper, or aramide fiber.
- a base material such as glass fiber, paper, or aramide fiber.
- impregnating the flame-retardant epoxy resin composition of the present invention into a glass fiber substrate ⁇ paper substrate When a prepreg or a laminated board is manufactured, a high degree of flame retardancy can be realized while maintaining various properties such as moldability, dielectric properties, and moisture resistance (solder heat resistance). It is preferable that the laminate satisfies the following conditions (a) to (d).
- 3 ⁇ 12s preferably 3 ⁇ ⁇ 10
- ⁇ represents the bending strength (MPa) of the laminate at 230 ⁇ 10 ° C
- E represents the flexural modulus (GPa) of the laminate at 230 ⁇ 10 ° C.
- the foamed layer of the resin can be suitably formed, and the strength and toughness of the foamed layer can be sufficiently increased.
- the effect of suppressing the combustion of the foamed layer can be sufficiently enhanced. it can. If the elastic modulus is too small, it will be difficult to obtain a foam layer having sufficient strength. On the other hand, if the elastic modulus is too large, it is difficult to sufficiently increase the toughness of the foam layer.
- G represents the ratio (% by mass) of the base material to the total amount of the laminate.
- the amount of the base material is too small, the outflow of the resin during molding becomes remarkable, and molding may be difficult.
- the amount of the substrate is too large, sufficient adhesion may not be obtained and delamination may occur.
- R The amount of pyrolysis products other than moisture generated from room temperature (25 ° C) to 500 ° C, calculated by the following formula.
- R laminates total (W - the residual amount of the laminate at 500 ° C (W 2) - .. 3 ⁇ 40 emission under 5 00 ° C (W H2Q / 5 0 C)
- FIG. 1 is a schematic diagram illustrating a method for obtaining the value of F.
- the amount of pyrolysis products other than water indicates the amount of combustible components during resin combustion.
- V is the total amount of laminates generated from room temperature (25 ° C) to 500 ° C when pyrolyzed at a heating rate of 10 ° C / min and an air flow rate of 0.2 l / min. Indicates the amount of water vapor (% by mass) with respect to. ) ⁇
- V V is too small, sufficient steam to fill the foamed layer is not generated, and it is difficult to obtain sufficient flame retardancy. On the other hand, if this value is too large, the flame retardancy may be impaired. The reason for this is not necessarily clear, but it is thought to be due to the rupture of the foam layer.
- the flame-retardant epoxy resin composition of the present invention may further contain a nitrogen-based flame retardant such as melamine and isocyanuric acid compound, and a phosphorus-based flame retardant such as red phosphorus, a phosphoric acid compound and an organic phosphorus compound. It can be appropriately added as a flame retardant aid.
- the amount of the flame retardant to be added may be small, and a decrease in other physical properties such as moisture resistance can be suppressed.
- the flame-retardant epoxy resin composition of the present invention is diluted with a suitable organic solvent such as methyl ethyl ketone or propylene glycol monomethyl ether to form a varnish.
- a prepreg can be manufactured by a usual method of coating, impregnating and heating a porous glass substrate. It is also possible to produce a glass-epoxy copper-clad laminate by laminating a plurality of prepregs, laminating copper foil on one or both sides of the laminated structure, and heating and pressing the laminate under ordinary conditions. it can. At this time, if no copper foil is used, a laminate can be obtained.
- the multilayer board is formed by forming a circuit on a copper-clad laminate (inner board), etching the copper foil, and then laminating a prepreg and copper foil on at least one side of the inner board. , prepared by conventional methods of heating at a pressure of 4 0 kg / cm 2 9 0 min can do. Further, the printed wiring board can be manufactured by a usual method of forming a through hole in a copper-clad laminate or a multilayer board, performing through-hole plating, and then forming a predetermined circuit.
- the laminate of the present invention thus produced is excellent in high flame retardancy and safety.
- the flame-retardant epoxy resin composition of the present invention When used as a sealing material for a semiconductor device, it is preliminarily kneaded with a ribbon blender, a Henschel mixer, or the like, and then obtained using a heating roll or a kneader.
- the mixture of the flame-retardant epoxy resin composition of the present invention is used after dewatering if necessary. This mixture is heated and melted under a predetermined molding condition by a transfer molding machine or the like and applied as a sealing material for a semiconductor device.
- a semiconductor device using the flame-retardant epoxy resin composition of the present invention as a sealing material is particularly excellent in flame retardancy and safety.
- a semiconductor device in which a semiconductor element is mounted on a die pad of a lead frame and connected by wire-to-wire bonding is sealed with a resin, and a lead-on-chip resin sealing is used.
- the flame-retardant epoxy resin composition of the present invention has excellent flame retardancy and safety even in other uses, that is, when used as molding materials, casting materials, adhesives, paints, and the like. .
- E glass cloth having a thickness of 0.18 mm was used as the glass woven fabric.
- Silane coupling agent A KBE903 (alphaaminopropyltriethoxysilane) manufactured by Shin-Etsu Chemical Co., Ltd. was used.
- Silane force coupling agent B Shin-Etsu Chemical, KBM403
- Curing-promoting catalyst A U-CAT-SA 102 (Diazavic crowundesene octylate) manufactured by Sanpro Co., Ltd. was used.
- Curing acceleration catalyst B Shikoku Chemicals, 2E4MZ
- a phenolic resin and an epoxy resin represented by the following formulas (1) to (8) were used.
- Phenol biphenyl aralkyl resin (Phenol resin 1)
- Phenol biphenyl aralkyl epoxy resin (Epoxy resin 1)
- G represents a glycidyl group.
- N 0.0 to 10, softening point 57 ° C, epoxy equivalent 270 g / eq
- Phenol phenylene aralkyl resin (Phenol resin 2)
- Phenol phenylene aralkyl epoxy resin (Epoxy resin 2) Formula (4)
- G represents a glycidyl group.
- N 0.10-10, softening point 55 ° C, epoxy equivalent 234 g / eq
- Phenol novolak resin (Phenol resin 3)
- Cresol novolak epoxy resin (Epoxy resin 3)
- G represents a glycidyl group.
- N 0.10-10, softening point 68 ° C, epoxy equivalent 194 g / e q)
- G represents a glycidyl group.
- N 0.10-10, viscosity 1500 at 25 ° 0 1500 ise, epoxy equivalent 180 g / eq)
- Epoxy resin 5 bisphenol A type epoxy resin 2
- Epoxy resin 6 (phenol novolak epoxy resin) Nippon Kayaku, EPPN-201, epoxy equivalent 191
- Aluminum hydroxide BW103 manufactured by Nippon Light Metal Co., Ltd.
- Zinc borate Firebrake @ 290 manufactured by US Borax Inc.
- Aluminum hydroxide B CL-310, manufactured by Sumitomo Chemical
- ⁇ F indicates the total after-flame time of the test performed on five molded plates. That is, F1 and F'2 were measured for one molded plate, and The total after-flame time is defined as the total after-flame time per molded plate F. This F was measured for five molded plates, and the total was defined as ⁇ F. “Time” indicates the value of ⁇ F described above.)
- the relative permittivity of the molded plate (length 2 cm ⁇ width 2 cm ⁇ thickness 1.6 mm) was measured using a Hewlett-Packard 4291BRF IMPEDANCE / MATERIAL ANALYZER. The measurement frequency was 1 GHz.
- the criteria for determining the relative permittivity are as follows. When the relative permittivity is 5.0 or less:
- a copper-clad double-sided laminate (25 mm square x 1.6 mm thick) is boiled in boiling water (approximately 100 ° C) for 1 hour, cooled in running water for 30 minutes, and then the surface moisture is removed. After wiping well, it was floated in a solder bath at about 260 ° C. for 20 seconds to evaluate solder heat resistance.
- the evaluation criteria for the solder heat resistance are as follows.
- the obtained epoxy resin varnish was continuously applied and impregnated on a glass woven fabric, and dried at 120 ° C. to produce a prepreg.
- a laminate of eight prepregs was heated and pressurized at 170 ° C and a pressure of 40 kg / cm2 for 20 minutes, and then post-cured at 175 ° C for 6 hours.
- a glass epoxy laminate having a thickness of 1.6 mm was obtained.
- the obtained laminate was evaluated for flame retardancy, dielectric constant and formability.
- Table 2 shows the results.
- the epoxy resin varnish obtained in Example 1 was continuously applied and impregnated on a glass woven fabric.
- the prepreg was dried by drying in a C oven.
- the prep thus obtained The laminate obtained by superposing 8 sheets of legs, sandwiching copper foil (thickness 18Yum), in 1 ⁇ 0 ° C, 40 kg / after heated and pressurized for 20 minutes at a pressure of cm 2, further 175 ° C 6 After a period of time, the glass epoxy copper-clad laminate having a thickness of 1.6 mm was obtained.
- the obtained copper-clad laminate was evaluated for solder heat resistance.
- a laminate was molded in the same manner as in Example 1 except that the flame-retardant epoxy resin compositions having the formulations shown in Tables 2 to 5 were used, and evaluation of flame retardancy, measurement of dielectric constant, moldability, and c Each heat resistance was evaluated. The results are shown in Tables 2 to 5.
- a laminate was molded in the same manner as in Example 1 except that the epoxy resin compositions having the formulations shown in Tables 6 to 8 were used, and evaluation of flame retardancy, measurement of dielectric constant, moldability and solder heat resistance were performed. The evaluation went all the way. The results are shown in Tables 6 to 8.
- phenol biphenyl aralkyl resin 15.59% by mass of phenol biphenyl aralkyl resin (phenolic resin 1), 12.57% by mass of bisphenol A type epoxy resin (epoxy resin 4), 15.0% by mass of aluminum hydroxide, melt crushing 55.0% by mass of silica powder, 1.40% by mass of silane coupling agent, 0.20% by mass of carnapa wax, 0.24% by mass of triphenylphosphine (TPP) were premixed at room temperature, and then mixed at 100 ° C. The mixture obtained by kneading for about 5 minutes on a jar was cooled and pulverized to obtain a resin composition. C.
- Example 25 The resin composition shown in Example 25 was compressed into tablets (evening bullet) at 85 ° Preheated to C, using a single plunger type transfer molding machine, injection time 15 seconds, injection pressure 10 OkgZcm 2 (execution pressure), molding temperature 175 ° C, molding time 120 seconds, UL94 flame retardant After molding according to the standard, post-curing (1 15 ° C, 6 hours) to obtain a molded plate for a flame retardancy test.
- the moldability was evaluated based on the criteria shown below.
- Table 9 shows the evaluation results.
- a molded article was prepared in the same manner as in Example 25 except that the flame-retardant epoxy resin composition having the composition shown in Table 9 was used, and evaluation of flame retardancy, moisture resistance, and moldability was performed. I went there. Table 9 shows the results.
- a molded body was prepared in the same manner as in Example 25 except that the epoxy resin composition having the composition shown in Table 10 was used, and the evaluation of flame retardancy, evaluation of moisture resistance, and evaluation of moldability were performed. I did it. The results are shown in Table 10. Table 2
- Phenol phenyl aralkyl epoxy resin (epoxy resin 2) 25.41% by mass, phenol phenol aralkyl resin (phenolic resin 2) 19.01% by mass, aluminum hydroxide B 55.0% by mass, silane cup
- a mixture consisting of 0.55% by weight of ring agent B and 0.03% by weight of curing accelerator B (total amount of 100% by mass) 41 phr of methyl ethyl ketone was added to give a non-volatile content of 71% by mass.
- An epoxy resin varnish was prepared.
- the obtained epoxy resin varnish was continuously applied and impregnated on a glass woven fabric, and dried in an oven at 120 ° C to produce a prepreg. Under the specified conditions (heating rate 5 ° C, 180 ° C ⁇ 1 hour, cooling to 80 ° C in 30 minutes, 32 kg / cm 2 ) By heating and pressing, a glass epoxy laminate having a thickness of 1.6 mm was obtained.
- the temperature is raised from room temperature to 500 and 800 ° C.
- Predetermined conditions (5 ° CZ for 5 ° CZ, 180 ° C for 1 hour, 30 minutes for the laminate obtained by stacking seven prepregs obtained in Example 31 between copper foils (18 / m)) Then, the mixture was cooled to 80 ° C and heated at 32 kg / cm 2 ) to obtain a glass-epoxy copper-clad laminate having a thickness of 1.6 mm. The obtained copper-clad laminate was evaluated for solder heat resistance.
- a solution A was prepared by dissolving dicyandiamide in DMF (dimethylformamide), and a solution B was prepared by dissolving bisphenol A type epoxy resin, aluminum hydroxide B, and silane coupling agent B in methyl ethyl ketone.
- curing accelerator B was added to solution C obtained by mixing these solutions A and B to prepare an epoxy resin varnish having a nonvolatile content of 68.0% by mass.
- the non-volatile content in this varnish is 1.89% by mass of dicyandiamide, 42.46% by mass of bisphenol A type epoxy resin 2 (epoxy resin 5), 55.0% by mass of aluminum hydroxide B, and silane coupling agent B It is a mixture of 0.5% by mass and 10% by mass of a curing accelerator B O.
- the volatile content of the above-mentioned penis is a mixed solvent of 41 phr of methyl ethyl ketone and 6 phr of DMF with respect to 100% by mass of the mixture.
- the obtained epoxy resin varnish was continuously applied to a glass woven fabric, impregnated, and dried in an oven at 130 ° C to produce a prepreg. Under the specified conditions (heating rate 5 ° C / min, 180 ° C ⁇ 1 hour, cooling to 80 ° C in 30 minutes, 32 kg / cm 2 ) By heating and pressing, a glass epoxy laminate having a thickness of 1.6 mm was obtained.
- a laminate obtained by laminating seven prepregs obtained in Comparative Example 20 was sandwiched between copper foils (18 ⁇ ), and under predetermined conditions (heating rate 5 ° C / min, 180 ° C for 1 hour, 30 minutes Then, the mixture was cooled to 80 C and heated and pressurized at 32 kg / cm 2 ) to obtain a 1.6 mm-thick glass-epoxy copper-clad laminate.
- the obtained copper-clad laminate was evaluated for solder heat resistance.
- Comparative Examples 21, 22, 23 and Reference Examples 27, 28 were performed (however, the content of the nonvolatile components and the molding pressure were different).
- Tables 13 and 14 show the evaluation results. From the results shown in the table, it was found that the flame-retardant epoxy resin composition according to the present invention was more excellent in flame retardancy than the flame-retardant epoxy resin compositions of Comparative Examples according to the prior art. It was also found that by appropriately setting the amount of metal hydroxide added, various properties such as dielectric properties, moldability, solder heat resistance, and moisture resistance can be effectively improved.
- Example 31 Example 32 Example 33 Example 34 Example 35 Example 36
- Example 37 Epoxy resin 1 (phenol biphenyl aralkyl epoxy resin) (gs%:-1-1 1 1 1 1 1 Phenol resin 1 ( Phenol biphenyl aralkyl resin (gsw) 111-1-1 Epoxy resin 2 (phenol phenyl aralkyl epoxy resin) (SS%) 25.41 13.62 8.32-39.85 19.64 2.83 Phenol resin 2 (phenol phenol) Nylene aralkyl resin (g content%) 19.01 8.59 5.00 21.25 29.80 14.69 1.61 Epoxy resin 3 (cresol nopolak epoxy resin) (g content%)--1---1 Epoxy resin 5 (bisphenol A type epoxy resin 2) ) (mass 1 H) Single - - A - A one epoxy resin 6 (phenol novolac epoxy resin) (g location%) Single 13.62 19.44 23.17 eleven 25.49 resin composition phenol-based ⁇ fat 3 (Fueno Noporakku resin) (g
- Dicyandiamide (Shitsu ⁇ %) Single - - - - - - A aluminum hydroxide B (mass 0/0) 55 55 55 55 55 30 65 55 silane coupling agent B (mass 0/0) 0.55 0.55 0.55 0.55 0.30 0.65 0.55 curing accelerator catalyst B (wt%) 0.03 0.03 0.03 0.03 0.05 0.02 0.03 total weight (mass 15/0) 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 number
- Epoxy resin 6 (phenol novolak epoxy resin) (Au 3 ⁇ 4%)
- Resin composition phenolic resin 3 (phenol novolak resin) (Amount of 3 ⁇ 4)
- Dicyandiamide (quality 3.81 1.89-water SS) :: room B (quality%) 25 0 10 55 25/5
- the flame-retardant epoxy resin composition of the present invention comprises phenols
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US10/070,827 US6730402B2 (en) | 1999-12-08 | 2000-12-05 | Flame-retardant epoxy resin composition and laminate made with the same |
DE60041419T DE60041419D1 (de) | 1999-12-08 | 2000-12-05 | Er hergestelltes mehrschichtmaterial |
EP20000979090 EP1260551B1 (en) | 1999-12-08 | 2000-12-05 | Flame-retardant epoxy resin composition and laminate made with the same |
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JP34944099 | 1999-12-08 | ||
JP11/349440 | 1999-12-08 | ||
JP2000-361170 | 2000-11-28 | ||
JP2000361170A JP3460820B2 (ja) | 1999-12-08 | 2000-11-28 | 難燃性エポキシ樹脂組成物 |
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WO2001042360A1 true WO2001042360A1 (fr) | 2001-06-14 |
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PCT/JP2000/008595 WO2001042360A1 (fr) | 1999-12-08 | 2000-12-05 | Composition de resine epoxyde ignifuge et stratifie obtenu a partir de celle-ci |
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US (1) | US6730402B2 (ja) |
EP (1) | EP1260551B1 (ja) |
JP (1) | JP3460820B2 (ja) |
CN (1) | CN1169878C (ja) |
DE (1) | DE60041419D1 (ja) |
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- 2000-11-28 JP JP2000361170A patent/JP3460820B2/ja not_active Expired - Fee Related
- 2000-12-05 WO PCT/JP2000/008595 patent/WO2001042360A1/ja active Application Filing
- 2000-12-05 DE DE60041419T patent/DE60041419D1/de not_active Expired - Lifetime
- 2000-12-05 EP EP20000979090 patent/EP1260551B1/en not_active Expired - Lifetime
- 2000-12-05 CN CNB008155453A patent/CN1169878C/zh not_active Expired - Fee Related
- 2000-12-05 US US10/070,827 patent/US6730402B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
EP1260551B1 (en) | 2009-01-14 |
JP3460820B2 (ja) | 2003-10-27 |
EP1260551A1 (en) | 2002-11-27 |
JP2001226465A (ja) | 2001-08-21 |
US6730402B2 (en) | 2004-05-04 |
TW538093B (en) | 2003-06-21 |
CN1169878C (zh) | 2004-10-06 |
EP1260551A4 (en) | 2003-03-19 |
CN1390246A (zh) | 2003-01-08 |
DE60041419D1 (de) | 2009-03-05 |
US20030152776A1 (en) | 2003-08-14 |
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