WO2013008437A1 - ポリイミド樹脂組成物およびそれを含む積層体 - Google Patents
ポリイミド樹脂組成物およびそれを含む積層体 Download PDFInfo
- Publication number
- WO2013008437A1 WO2013008437A1 PCT/JP2012/004406 JP2012004406W WO2013008437A1 WO 2013008437 A1 WO2013008437 A1 WO 2013008437A1 JP 2012004406 W JP2012004406 W JP 2012004406W WO 2013008437 A1 WO2013008437 A1 WO 2013008437A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyimide
- resin composition
- polyimide resin
- diamine
- general formula
- Prior art date
Links
- 229920001721 polyimide Polymers 0.000 title claims abstract description 284
- 239000009719 polyimide resin Substances 0.000 title claims abstract description 141
- 239000000203 mixture Substances 0.000 title claims abstract description 139
- 239000004642 Polyimide Substances 0.000 claims abstract description 125
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims abstract description 87
- -1 aliphatic diamine Chemical class 0.000 claims abstract description 83
- 150000004985 diamines Chemical class 0.000 claims abstract description 58
- 125000006158 tetracarboxylic acid group Chemical group 0.000 claims abstract description 43
- 239000002904 solvent Substances 0.000 claims abstract description 28
- 150000004984 aromatic diamines Chemical class 0.000 claims abstract description 23
- 150000001412 amines Chemical class 0.000 claims abstract description 8
- 239000011342 resin composition Substances 0.000 claims abstract description 5
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical group C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 47
- 239000000463 material Substances 0.000 claims description 33
- 239000000853 adhesive Substances 0.000 claims description 31
- 230000001070 adhesive effect Effects 0.000 claims description 31
- 239000004065 semiconductor Substances 0.000 claims description 29
- 125000005529 alkyleneoxy group Chemical group 0.000 claims description 27
- 125000004429 atom Chemical group 0.000 claims description 26
- 229920005989 resin Polymers 0.000 claims description 22
- 239000011347 resin Substances 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 22
- 125000001931 aliphatic group Chemical group 0.000 claims description 18
- 125000003118 aryl group Chemical group 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 17
- 239000000945 filler Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 14
- 229910001416 lithium ion Inorganic materials 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 230000009477 glass transition Effects 0.000 claims description 13
- 125000002947 alkylene group Chemical group 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 239000011231 conductive filler Substances 0.000 claims description 10
- 239000011888 foil Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000011256 inorganic filler Substances 0.000 claims description 10
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 10
- 239000012762 magnetic filler Substances 0.000 claims description 10
- 239000003566 sealing material Substances 0.000 claims description 10
- 239000004593 Epoxy Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- VQVIHDPBMFABCQ-UHFFFAOYSA-N 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(C(C=2C=C3C(=O)OC(=O)C3=CC=2)=O)=C1 VQVIHDPBMFABCQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000011149 active material Substances 0.000 claims description 4
- ZLSMCQSGRWNEGX-UHFFFAOYSA-N bis(4-aminophenyl)methanone Chemical compound C1=CC(N)=CC=C1C(=O)C1=CC=C(N)C=C1 ZLSMCQSGRWNEGX-UHFFFAOYSA-N 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 239000005548 dental material Substances 0.000 claims description 4
- 239000002798 polar solvent Substances 0.000 claims description 4
- RXCOGDYOZQGGMK-UHFFFAOYSA-N (3,4-diaminophenyl)-phenylmethanone Chemical compound C1=C(N)C(N)=CC=C1C(=O)C1=CC=CC=C1 RXCOGDYOZQGGMK-UHFFFAOYSA-N 0.000 claims description 3
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 3
- 239000012948 isocyanate Substances 0.000 claims description 3
- 238000006068 polycondensation reaction Methods 0.000 claims description 3
- TUQQUUXMCKXGDI-UHFFFAOYSA-N bis(3-aminophenyl)methanone Chemical compound NC1=CC=CC(C(=O)C=2C=C(N)C=CC=2)=C1 TUQQUUXMCKXGDI-UHFFFAOYSA-N 0.000 claims description 2
- 125000005439 maleimidyl group Chemical class C1(C=CC(N1*)=O)=O 0.000 claims 1
- 239000010408 film Substances 0.000 description 54
- 239000002966 varnish Substances 0.000 description 35
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 33
- 239000010410 layer Substances 0.000 description 23
- 239000002253 acid Substances 0.000 description 21
- 125000003277 amino group Chemical group 0.000 description 20
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 12
- AUHZEENZYGFFBQ-UHFFFAOYSA-N 1,3,5-trimethylbenzene Chemical compound CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 11
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 11
- 125000006159 dianhydride group Chemical group 0.000 description 10
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 239000003063 flame retardant Substances 0.000 description 9
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 9
- 239000012855 volatile organic compound Substances 0.000 description 9
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 8
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 229920003192 poly(bis maleimide) Polymers 0.000 description 8
- 239000007772 electrode material Substances 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229920000647 polyepoxide Polymers 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- QQGYZOYWNCKGEK-UHFFFAOYSA-N 5-[(1,3-dioxo-2-benzofuran-5-yl)oxy]-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(OC=2C=C3C(=O)OC(C3=CC=2)=O)=C1 QQGYZOYWNCKGEK-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 238000001879 gelation Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- GWHJZXXIDMPWGX-UHFFFAOYSA-N 1,2,4-trimethylbenzene Chemical compound CC1=CC=C(C)C(C)=C1 GWHJZXXIDMPWGX-UHFFFAOYSA-N 0.000 description 3
- GWHLJVMSZRKEAQ-UHFFFAOYSA-N 3-(2,3-dicarboxyphenyl)phthalic acid Chemical compound OC(=O)C1=CC=CC(C=2C(=C(C(O)=O)C=CC=2)C(O)=O)=C1C(O)=O GWHLJVMSZRKEAQ-UHFFFAOYSA-N 0.000 description 3
- DKKYOQYISDAQER-UHFFFAOYSA-N 3-[3-(3-aminophenoxy)phenoxy]aniline Chemical compound NC1=CC=CC(OC=2C=C(OC=3C=C(N)C=CC=3)C=CC=2)=C1 DKKYOQYISDAQER-UHFFFAOYSA-N 0.000 description 3
- KMKWGXGSGPYISJ-UHFFFAOYSA-N 4-[4-[2-[4-(4-aminophenoxy)phenyl]propan-2-yl]phenoxy]aniline Chemical compound C=1C=C(OC=2C=CC(N)=CC=2)C=CC=1C(C)(C)C(C=C1)=CC=C1OC1=CC=C(N)C=C1 KMKWGXGSGPYISJ-UHFFFAOYSA-N 0.000 description 3
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 150000008065 acid anhydrides Chemical class 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- XMSVKICKONKVNM-UHFFFAOYSA-N bicyclo[2.2.1]heptane-3,4-diamine Chemical class C1CC2(N)C(N)CC1C2 XMSVKICKONKVNM-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- WKDNYTOXBCRNPV-UHFFFAOYSA-N bpda Chemical compound C1=C2C(=O)OC(=O)C2=CC(C=2C=C3C(=O)OC(C3=CC=2)=O)=C1 WKDNYTOXBCRNPV-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000003607 modifier Substances 0.000 description 3
- 229920005575 poly(amic acid) Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920006259 thermoplastic polyimide Polymers 0.000 description 3
- LXFIOMZSZFWVPA-UHFFFAOYSA-N 1-(2-carboxyphenyl)cyclohexa-3,5-diene-1,2,3-tricarboxylic acid Chemical compound OC(=O)C1C(C(O)=O)=CC=CC1(C(O)=O)C1=CC=CC=C1C(O)=O LXFIOMZSZFWVPA-UHFFFAOYSA-N 0.000 description 2
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 description 2
- VEORPZCZECFIRK-UHFFFAOYSA-N 3,3',5,5'-tetrabromobisphenol A Chemical compound C=1C(Br)=C(O)C(Br)=CC=1C(C)(C)C1=CC(Br)=C(O)C(Br)=C1 VEORPZCZECFIRK-UHFFFAOYSA-N 0.000 description 2
- NUIURNJTPRWVAP-UHFFFAOYSA-N 3,3'-Dimethylbenzidine Chemical compound C1=C(N)C(C)=CC(C=2C=C(C)C(N)=CC=2)=C1 NUIURNJTPRWVAP-UHFFFAOYSA-N 0.000 description 2
- LJGHYPLBDBRCRZ-UHFFFAOYSA-N 3-(3-aminophenyl)sulfonylaniline Chemical compound NC1=CC=CC(S(=O)(=O)C=2C=C(N)C=CC=2)=C1 LJGHYPLBDBRCRZ-UHFFFAOYSA-N 0.000 description 2
- UCQABCHSIIXVOY-UHFFFAOYSA-N 3-[4-[4-(3-aminophenoxy)phenyl]phenoxy]aniline Chemical group NC1=CC=CC(OC=2C=CC(=CC=2)C=2C=CC(OC=3C=C(N)C=CC=3)=CC=2)=C1 UCQABCHSIIXVOY-UHFFFAOYSA-N 0.000 description 2
- WUPRYUDHUFLKFL-UHFFFAOYSA-N 4-[3-(4-aminophenoxy)phenoxy]aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=CC(OC=2C=CC(N)=CC=2)=C1 WUPRYUDHUFLKFL-UHFFFAOYSA-N 0.000 description 2
- CQMIJLIXKMKFQW-UHFFFAOYSA-N 4-phenylbenzene-1,2,3,5-tetracarboxylic acid Chemical compound OC(=O)C1=C(C(O)=O)C(C(=O)O)=CC(C(O)=O)=C1C1=CC=CC=C1 CQMIJLIXKMKFQW-UHFFFAOYSA-N 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- XZAHJRZBUWYCBM-UHFFFAOYSA-N [1-(aminomethyl)cyclohexyl]methanamine Chemical compound NCC1(CN)CCCCC1 XZAHJRZBUWYCBM-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 229940058905 antimony compound for treatment of leishmaniasis and trypanosomiasis Drugs 0.000 description 2
- 150000001463 antimony compounds Chemical class 0.000 description 2
- LJCFOYOSGPHIOO-UHFFFAOYSA-N antimony pentoxide Chemical compound O=[Sb](=O)O[Sb](=O)=O LJCFOYOSGPHIOO-UHFFFAOYSA-N 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- VHRGRCVQAFMJIZ-UHFFFAOYSA-N cadaverine Chemical compound NCCCCCN VHRGRCVQAFMJIZ-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- SSJXIUAHEKJCMH-UHFFFAOYSA-N cyclohexane-1,2-diamine Chemical compound NC1CCCCC1N SSJXIUAHEKJCMH-UHFFFAOYSA-N 0.000 description 2
- GEQHKFFSPGPGLN-UHFFFAOYSA-N cyclohexane-1,3-diamine Chemical compound NC1CCCC(N)C1 GEQHKFFSPGPGLN-UHFFFAOYSA-N 0.000 description 2
- VKIRRGRTJUUZHS-UHFFFAOYSA-N cyclohexane-1,4-diamine Chemical compound NC1CCC(N)CC1 VKIRRGRTJUUZHS-UHFFFAOYSA-N 0.000 description 2
- KZTYYGOKRVBIMI-UHFFFAOYSA-N diphenyl sulfone Chemical compound C=1C=CC=CC=1S(=O)(=O)C1=CC=CC=C1 KZTYYGOKRVBIMI-UHFFFAOYSA-N 0.000 description 2
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- 150000003949 imides Chemical group 0.000 description 2
- 239000012796 inorganic flame retardant Substances 0.000 description 2
- 125000000654 isopropylidene group Chemical group C(C)(C)=* 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920001281 polyalkylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- HHVIBTZHLRERCL-UHFFFAOYSA-N sulfonyldimethane Chemical compound CS(C)(=O)=O HHVIBTZHLRERCL-UHFFFAOYSA-N 0.000 description 2
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 2
- XFNJVJPLKCPIBV-UHFFFAOYSA-N trimethylenediamine Chemical compound NCCCN XFNJVJPLKCPIBV-UHFFFAOYSA-N 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- UGCMFUQMPWJOON-UHFFFAOYSA-N (1-cycloheptylcycloheptyl)methanediamine Chemical compound C1CCCCCC1C1(C(N)N)CCCCCC1 UGCMFUQMPWJOON-UHFFFAOYSA-N 0.000 description 1
- GWNMOARSGRXJMV-UHFFFAOYSA-N (1-cycloheptylcycloheptyl)oxymethanediamine Chemical compound C1CCCCCC1C1(OC(N)N)CCCCCC1 GWNMOARSGRXJMV-UHFFFAOYSA-N 0.000 description 1
- GRPTWLLWXYXFLX-UHFFFAOYSA-N 1,1,2,2,3,3-hexabromocyclodecane Chemical compound BrC1(Br)CCCCCCCC(Br)(Br)C1(Br)Br GRPTWLLWXYXFLX-UHFFFAOYSA-N 0.000 description 1
- ACRQLFSHISNWRY-UHFFFAOYSA-N 1,2,3,4,5-pentabromo-6-phenoxybenzene Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=CC=CC=C1 ACRQLFSHISNWRY-UHFFFAOYSA-N 0.000 description 1
- ORYGKUIDIMIRNN-UHFFFAOYSA-N 1,2,3,4-tetrabromo-5-(2,3,4,5-tetrabromophenoxy)benzene Chemical compound BrC1=C(Br)C(Br)=CC(OC=2C(=C(Br)C(Br)=C(Br)C=2)Br)=C1Br ORYGKUIDIMIRNN-UHFFFAOYSA-N 0.000 description 1
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
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Images
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- C—CHEMISTRY; METALLURGY
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- C09J7/00—Adhesives in the form of films or foils
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- C09J7/22—Plastics; Metallised plastics
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- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
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- H05K1/02—Details
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- H01G9/20—Light-sensitive devices
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
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- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
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- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
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- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15311—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a ball array, e.g. BGA
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- H05K2201/01—Dielectrics
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- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2804—Next to metal
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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
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- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2852—Adhesive compositions
- Y10T428/2896—Adhesive compositions including nitrogen containing condensation polymer [e.g., polyurethane, polyisocyanate, etc.]
Definitions
- the present invention relates to a polyimide resin composition and a laminate including the same.
- adhesives such as electronic circuit boards and semiconductor devices are generally epoxy resins.
- the epoxy resin has insufficient heat resistance and flexibility, and requires a long time for the thermosetting reaction.
- thermoplastic polyimide resin not only has high heat resistance and flexibility, but also has a relatively short thermosetting reaction.
- thermoplastic polyimide resin is usually obtained through a step of imidizing a polyamic acid varnish coating film at a high temperature of 300 ° C. or higher, there is a problem that applicable processes and members are limited.
- Patent Document 1 discloses a solvent-soluble polyimide obtained by reacting an acid dianhydride component containing benzophenone tetracarboxylic dianhydride and a diamine component containing a specific siloxane compound.
- Patent Document 2 discloses a solvent-soluble polyimide obtained by reacting an acid dianhydride component containing benzophenone tetracarboxylic dianhydride and a diamine component containing a compound having a specific sulfonic acid skeleton. Yes.
- the film obtained from the polyimide of Patent Document 1 has not been sufficiently flexible.
- the polyimide of patent document 2 contains the diamine which has a sulfonic acid frame
- a long-chain alkyleneoxy group or the like is introduced between imide rings constituting the polyimide, and packing between imide rings is performed. It is effective to suppress.
- a film obtained from a polyimide into which a long-chain alkyleneoxy group or the like has been introduced has a problem of low viscoelasticity at high temperatures and low heat resistance.
- the present invention has been made in view of such circumstances, and provides a resin composition comprising a polyimide that is soluble in a solvent and that has a high viscoelasticity and flexibility at high temperatures.
- the purpose is to do.
- a polyimide having an alkyleneoxy chain is soluble in a solvent and the resulting film has high flexibility, but is not sufficiently heat resistant.
- a benzophenone skeleton into the polyimide and making the molecular end an amino group, the carbonyl group contained in the benzophenone skeleton and the amino group at the molecular end can be hydrogen bonded, Can be increased. Thereby, a polyimide film having high heat resistance and flexibility can be obtained.
- the first of the present invention relates to the following polyimide resin composition.
- the diamine that comprises an aromatic tetracarboxylic dianhydride ( ⁇ 1) or the polyimide that constitutes the polyimide comprises an aromatic diamine ( ⁇ 1) having a benzophenone skeleton represented by the following general formula (2);
- the diamine to contain includes an aliphatic diamine ( ⁇ 2) represented by the following general formula (3) or (4); an aromatic tetracarboxylic dianhydride having a benzophenone skeleton represented by the general formula (1) (
- the total content of ⁇ 1) and the aromatic diamine ( ⁇ 1) having a benzophenone skeleton represented by the general formula (2) constitutes the polyimide.
- a polyimide resin composition comprising a polyimide having an amount of 5 to 49 mol% and an amine equivalent of 4000 to 20000 based on a total of tetracarboxylic dianhydride and diamine.
- R 1 is an aliphatic chain having a main chain composed of one or more atoms of C, N, and O, and the total number of atoms constituting the main chain is 7 to 500.
- the aliphatic chain may further have a side chain composed of one or more atoms of C, N, H, and O, and the total number of atoms constituting the side chain is 10 or less)
- R 2 is an aliphatic chain having a main chain composed of one or more atoms of C, N, and O, and the total number of atoms constituting the main chain is 5 to 500.
- the aliphatic chain may further have a side chain composed of one or more atoms of C, N, H, and O, and the total number of atoms constituting the side chain is 10 or less
- R 1 in the general formula (3) and R 2 in the general formula (4) are aliphatic chains having a main chain containing an alkyleneoxy group or a polyalkyleneoxy group,
- the aliphatic diamine ( ⁇ 2) represented by the general formula (3) is a compound represented by the following general formula (3-1), and the aliphatic diamine represented by the general formula (4)
- o represents an integer of 1 to 50
- p, q and r each independently represents an integer of 0 to 10; provided that p + q + r is 1 or more
- the aliphatic diamine ( ⁇ 2) represented by the general formula (3) or (4) is 10 mol% or more and 45% or less with respect to the total of diamines constituting the polyimide.
- the aromatic tetracarboxylic dianhydride ( ⁇ 1) having a benzophenone skeleton represented by the general formula (1) is 3,3 ′, 4,4′-benzophenone tetracarboxylic dianhydride and 2
- An aromatic diamine ( ⁇ 1) having at least one selected from the group consisting of 3,3 ′, 4′-benzophenonetetracarboxylic dianhydride and having a benzophenone skeleton represented by the general formula (2) is 3,
- the inorganic filler is a conductive filler and / or a magnetic filler, and the total volume of the conductive filler and the magnetic filler with respect to the total volume of the polyimide resin composition is 20 to 90% by volume.
- a laminate comprising a base material and a resin layer comprising the polyimide resin composition according to any one of [1] to [12] disposed on the base material.
- An electronic circuit board member having the laminate according to [13] or [14].
- a semiconductor device having the laminate according to [13] or [14].
- An electrode for a lithium ion battery comprising a metal foil and a layer disposed on the metal foil and comprising an active material and the polyimide resin composition according to any one of [1] to [12].
- a lithium ion battery separator comprising the polyimide resin composition according to any one of [1] to [12].
- a heat dissipation base material comprising the polyimide resin composition according to [10].
- An electromagnetic wave shielding base material comprising the polyimide resin composition according to [11].
- An adhesive for surge parts comprising the polyimide resin composition according to any one of [1] to [12].
- a surge component sealing material comprising the polyimide resin composition according to any one of [1] to [12].
- An adhesive for semiconductor manufacturing equipment comprising the polyimide resin composition according to any one of [1] to [12].
- a dental material comprising the polyimide resin composition according to any one of [1] to [12].
- a polyimide resin composition comprising a polyimide soluble in a polar solvent, A polyimide film having a thickness of 50 ⁇ m made of the polyimide resin composition satisfies the following conditions a) and b).
- the storage elastic modulus E ′ at a frequency of 1 Hz at 180 ° C. is 1.0 ⁇ 10 5 Pa or more.
- the elongation at the time of tensile fracture at a speed of 50 mm / min at 23 ° C. is 50% or more.
- the polyimide resin composition of the present invention is excellent in solubility in a solvent, and has high viscoelasticity and high flexibility at high temperatures. Therefore, the polyimide resin composition of the present invention is an adhesive for various fields (for example, electronic circuit board members, semiconductor devices, lithium ion battery members, and solar cell members) that require high heat resistance and flexibility. It is suitable as.
- BGA ball grid array
- COF tip on film
- polyimide resin composition contains a specific polyimide, and may further contain other arbitrary components, such as an inorganic filler, as needed.
- the polyimide contained in the polyimide resin composition includes a polycondensation unit of tetracarboxylic dianhydride and diamine.
- the tetracarboxylic dianhydride includes a tetracarboxylic dianhydride ( ⁇ 1) having a benzophenone skeleton.
- the diamine contains a diamine ( ⁇ 1) having a benzophenone skeleton; or the tetracarboxylic dianhydride contains a tetracarboxylic dianhydride ( ⁇ 1) having a benzophenone skeleton, and the diamine has a benzophenone skeleton ( ⁇ 1) )
- the diamine contains an aliphatic diamine ( ⁇ 2) containing an alkyleneoxy group.
- the tetracarboxylic dianhydride constituting the polyimide may include a tetracarboxylic dianhydride ( ⁇ 1) having a benzophenone skeleton.
- the tetracarboxylic dianhydride ( ⁇ 1) having a benzophenone skeleton is preferably an aromatic tetracarboxylic dianhydride having a benzophenone skeleton represented by the general formula (1).
- Examples of the aromatic tetracarboxylic dianhydride having a benzophenone skeleton represented by the general formula (1) include 3,3 ′, 4,4′-benzophenone tetracarboxylic dianhydride, 2,3,3 ′ 4,4′-benzophenone tetracarboxylic dianhydride, 2,2 ′, 3,3′-benzophenone tetracarboxylic dianhydride, and the like. These may be used alone or in combination of two or more.
- the tetracarboxylic dianhydride constituting the polyimide may further include other tetracarboxylic dianhydrides ( ⁇ 2) other than the aromatic tetracarboxylic dianhydride ( ⁇ 1) having a benzophenone skeleton.
- Other tetracarboxylic dianhydrides ( ⁇ 2) are not particularly limited, but aromatic tetracarboxylic dianhydrides are preferably used from the viewpoint of heat resistance, and aliphatic tetracarboxylic dianhydrides are used from the viewpoint of flexibility. It is preferable to use an anhydride.
- aromatic tetracarboxylic dianhydrides that can be other tetracarboxylic dianhydrides ( ⁇ 2) include pyromellitic dianhydride, 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride 1,1 ', 2,2'-biphenyltetracarboxylic dianhydride, 2,3,2', 3'-biphenyltetracarboxylic dianhydride, 1,2,2 ', 3-biphenyltetracarboxylic acid Acid dianhydride, bis (3,4-dicarboxyphenyl) ether dianhydride, bis (3,4-dicarboxyphenyl) sulfide dianhydride, bis (3,4-dicarboxyphenyl) sulfone dianhydride, Bis (3,4-dicarboxyphenyl) methane dianhydride, 2,2-bis (3,4-dicarboxyphenyl) propane dianhydride
- Examples of aliphatic tetracarboxylic dianhydrides that can be other tetracarboxylic dianhydrides ( ⁇ 2) include cyclobutanetetracarboxylic dianhydride, 1,2,3,4-cyclopentanetetracarboxylic dianhydride 1,2,4,5-cyclohexanetetracarboxylic dianhydride, bicyclo [2.2.1] heptane-2,3,5,6-tetracarboxylic dianhydride, bicyclo [2.2.2 ] Oct-7-ene-2,3,5,6-tetracarboxylic dianhydride, bicyclo [2.2.2] octane-2,3,5,6-tetracarboxylic dianhydride, 2,3 , 5-Tricarboxycyclopentylacetic acid dianhydride, bicyclo [2.2.1] heptane-2,3,5-tricarboxylic acid-6-acetic acid dianhydride, 1-methyl-3-ethylcyclohex
- the tetracarboxylic dianhydride constituting the polyimide contains an aromatic ring such as a benzene ring, part or all of the hydrogen atoms on the aromatic ring are a fluoro group, a methyl group, a methoxy group, a trifluoromethyl group, And may be substituted with a group selected from a trifluoromethoxy group and the like.
- the tetracarboxylic dianhydride contains an aromatic ring such as a benzene ring, the ethynyl group, benzocyclobuten-4′-yl group, vinyl group, allyl group, cyano group, isocyanate group depending on the purpose.
- a nitrilo group, an isopropenyl group, and the like may be present as a crosslinking point. These may be used alone or in combination of two or more.
- the other tetracarboxylic dianhydride ( ⁇ 2) is preferably an aromatic tetracarboxylic dianhydride, more preferably 3.3, in order to obtain high heat resistance without significantly impairing flexibility.
- ⁇ 2 4,4'-biphenyltetracarboxylic dianhydride, 1,2,1', 2'-biphenyltetracarboxylic dianhydride, 2,3,2 ', 3'-biphenyltetracarboxylic dianhydride Or 1,2,2 ′, 3-biphenyltetracarboxylic dianhydride.
- the diamine constituting the polyimide can include an aromatic diamine ( ⁇ 1) having a benzophenone skeleton.
- the aromatic diamine ( ⁇ 1) having a benzophenone skeleton is preferably an aromatic diamine having a benzophenone skeleton represented by the general formula (2).
- Examples of the aromatic diamine having a benzophenone skeleton represented by the general formula (2) include 3,3′-diaminobenzophenone, 3,4-diaminobenzophenone, 4,4′-diaminobenzophenone, and the like. These may be used alone or in combination of two or more.
- the diamine constituting the polyimide contains an aliphatic diamine ( ⁇ 2).
- the aliphatic diamine ( ⁇ 2) is preferably an aliphatic diamine represented by the general formula (3) or the general formula (4). Only one of the aliphatic diamines represented by the general formula (3) or the general formula (4) may be included in the polyimide resin composition, or both may be included.
- R 1 in formula (3) and R 2 in formula (4) are aliphatic chains having a main chain composed of one or more atoms of C, N, and O, preferably a main chain containing one or more C.
- the total number of atoms constituting the main chain is preferably 5 to 500, more preferably 10 to 500, still more preferably 21 to 300, and still more preferably 50 to 300.
- the main chain in R 1 of the general formula (3) is a chain composed of atoms other than atoms constituting the side chain among the aliphatic chains connecting the two phenyl groups at the molecular end; the general formula (4)
- the main chain in R 2 is a chain composed of atoms other than atoms constituting the side chain among the aliphatic chains connecting two amino groups at the molecular terminals.
- Examples of the main chain composed of one or more atoms of C, N, and O constituting the aliphatic chain include main chains having structures derived from polyalkylene polyamines such as diethylenetriamine, triethylenetetramine, and tetraethylenepentamine.
- the polyalkyleneoxy group is a divalent linking group containing alkyleneoxy as a repeating unit, “— (CH 2 CH 2 O) n —” having an ethyleneoxy unit as a repeating unit, or a repeating unit of a propyleneoxy unit. “— (CH 2 —CH (—CH 3 ) O) m —” (where n and m are the number of repetitions) can be exemplified.
- the number of repeating alkyleneoxy units in the polyalkyleneoxy group is preferably 2 to 50, more preferably 2 to 20, and even more preferably 2 to 15.
- the polyalkyleneoxy group may contain a plurality of types of alkyleneoxy units.
- the alkylene moiety of the alkyleneoxy group and the alkylene moiety of the alkyleneoxy unit constituting the polyalkyleneoxy group preferably have 1 to 10 carbon atoms, and more preferably 2 to 10 carbon atoms.
- Examples of the alkylene group constituting the alkyleneoxy group include a methylene group, an ethylene group, a propylene group and a butylene group. It is preferable to have a butylene group as the alkylene group constituting the alkyleneoxy group or the polyalkyleneoxy group because the polyimide film obtained from the polyimide resin composition of the present invention exhibits excellent breaking strength.
- the group connecting the alkyleneoxy group or polyalkyleneoxy group and the terminal amino group is not particularly limited, and is an alkylene group, an arylene group, an alkylenecarbonyloxy group, an arylenecarbonyloxy group. From the viewpoint of increasing the reactivity of the terminal amino group, an alkylene group is preferable.
- the aliphatic chain represented by R 1 and R 2 may further have a side chain composed of one or more atoms of C, N, H, and O.
- the side chain in R 1 and R 2 is a monovalent group linked to the atoms constituting the main chain.
- the total number of atoms constituting each side chain is preferably 10 or less.
- Examples of the side chain include not only an alkyl group such as a methyl group but also a hydrogen atom.
- the obtained polyimide has high flexibility.
- the aliphatic diamine represented by the general formula (3) is preferably a compound represented by the general formula (3-1).
- the aliphatic diamine represented by the general formula (4) is preferably a compound represented by the general formula (4-1).
- O in the formula (3-1) represents an integer of 1 to 50, preferably an integer of 10 to 20.
- P, q and r in the formula (4-1) each independently represent an integer of 0 to 10. However, p + q + r is 1 or more, preferably 5 to 20.
- the aliphatic diamine represented by the general formula (3-1) or the general formula (4-1) includes a long-chain alkyleneoxy group, the resulting polyimide has high flexibility.
- the diamine composing the polyimide may further contain other diamine ( ⁇ 3) other than the aromatic diamine ( ⁇ 1) and aliphatic diamine ( ⁇ 2) having a benzophenone skeleton.
- the other diamine ( ⁇ 3) is not particularly limited, and is an aromatic diamine other than the aromatic diamine ( ⁇ 1), an aliphatic diamine other than the aliphatic diamine ( ⁇ 2), or an alicyclic diamine. Is preferably an aromatic diamine other than the aromatic diamine ( ⁇ 1).
- aromatic diamines other than aromatic diamine ( ⁇ 1) examples include m-phenylenediamine, o-phenylenediamine, p-phenylenediamine, m-aminobenzylamine, p-aminobenzylamine, Bis (3-aminophenyl) sulfide, (3-aminophenyl) (4-aminophenyl) sulfide, bis (4-aminophenyl) sulfide, bis (3-aminophenyl) sulfoxide, (3-aminophenyl) (4- Aminophenyl) sulfoxide, bis (3-aminophenyl) sulfone, (3-aminophenyl) (4-aminophenyl) sulfone, bis (4-aminophenyl) sulfone, 3,3′-diaminodiphenylmethane, 3,4′- Diaminodiphenylmethane, 4,4'-
- 1,3-bis (3-aminophenoxy) benzene 1,3-bis (4-aminophenoxy) benzene, 2,2-bis [4- (4-aminophenoxy) phenyl] propane, bis (3 -Aminophenyl) sulfone, bis (4-aminophenyl) sulfone, 4,4'-bis (4-aminophenyl) -1,4-diisopropylbenzene, 3,4'-bis (4-aminophenyl) -1, 4-diisopropylbenzene, 3,3′-bis (4-aminophenyl) -1,4-diisopropylbenzene, 3,3′-bis (4-aminophenoxy) biphenyl, 2,2′-bis (trifluoromethyl) -1,1'-biphenyl-4,4'-diamine, 3,3'-dimethylbenzidine, 3,4'-dimethylbenzidine, 4,
- aliphatic diamines examples include ethylenediamine, 1,3-diaminopropane, 1,4-diaminobutane, 1,5-diaminopentane, 1,6-diaminohexane, 1,7-diaminoheptane, and 1,8-diamino.
- Octane, 1,9-diaminononane, 1,10-diaminodecane, 1,11-diaminoundecane, 1,12-diaminododecane and the like are included, and ethylenediamine is particularly preferable.
- alicyclic diamines include cyclobutanediamine, 1,2-cyclohexanediamine, 1,3-cyclohexanediamine, 1,4-cyclohexanediamine, di (aminomethyl) cyclohexane [1,4-bis (aminomethyl) cyclohexane Bis (aminomethyl) cyclohexane], diaminobicycloheptane, diaminomethylbicycloheptane (including norbornanediamines such as norbornanediamine), diaminooxybicycloheptane, diaminomethyloxybicycloheptane (including oxanorbornanediamine), isophoronediamine , Diaminotricyclodecane, diaminomethyltricyclodecane, bis (aminocyclohexyl) methane [or methylenebis (cyclohexylamine)], bis (aminocyclohexyl) Le) are included, such as iso
- the total of the aromatic tetracarboxylic dianhydride ( ⁇ 1) having a benzophenone skeleton and the aromatic diamine ( ⁇ 1) having a benzophenone skeleton is based on the total of the tetracarboxylic dianhydride and diamine constituting the polyimide. It is preferably 5 to 49 mol%, more preferably 9 to 30 mol%. When the total of the aromatic tetracarboxylic dianhydride ( ⁇ 1) and the aromatic diamine ( ⁇ 1) is less than 5 mol%, the number of carbonyl groups derived from the benzophenone skeleton is small.
- a carbonyl group derived from a benzophenone skeleton contained in one molecule cannot be sufficiently hydrogen bonded to a terminal amino group of another molecule; or derived from a benzophenone skeleton contained in the same molecule. Since the carbonyl group and the terminal amino group cannot be sufficiently hydrogen bonded, it is difficult to obtain heat resistance.
- the amount of the aliphatic diamine ( ⁇ 2) represented by the general formula (3) or (4) (the total amount of the diamine represented by the general formula (3) or (4)) imparts high flexibility to the polyimide. Therefore, the amount is preferably 10 mol% or more, more preferably 12 mol% or more, based on the total of diamines constituting the polyimide. On the other hand, in order not to significantly reduce the heat resistance of the polyimide, the aliphatic diamine ( ⁇ 2) is preferably 45 mol% or less with respect to the total of diamines constituting the polyimide.
- the diamine component (b mole) to be reacted may be more than the tetracarboxylic dianhydride component (a mole).
- a / b is 1.0 or more, the molecular end cannot be an amino group; or the carbonyl group derived from the benzophenone skeleton and the terminal amino group contained in the same molecule cannot be sufficiently hydrogen bonded. Therefore, it is difficult to obtain heat resistance.
- the polyimide may be a random polymer or a block polymer.
- the amine equivalent of polyimide is preferably 4000 to 20000, and more preferably 4500 to 18000.
- the amine equivalent of polyimide is defined as “number average molecular weight of polyimide / number of amino groups contained in one molecule”.
- the amino group contained in one molecule includes not only the terminal amino group but also other amino groups.
- a polyimide having an amine equivalent in the above range has a high proportion of terminal amino groups in the entire polyimide, and thus can generate many hydrogen bonds with a carbonyl group contained in the benzophenone skeleton, and the heat resistance of the polyimide is improved.
- the number average molecular weight of the polyimide is preferably 6.0 ⁇ 10 3 to 1.0 ⁇ 10 6 , and more preferably 8.0 ⁇ 10 3 to 4.0 ⁇ 10 4 .
- the number average molecular weight of the polyimide can be measured by gel permeation chromatography (GPC).
- polyimide includes a benzophenone skeleton derived from aromatic tetracarboxylic dianhydride ( ⁇ 1) or aromatic diamine ( ⁇ 1), and a molecular terminal is an amino group. Therefore, since the carbonyl group derived from the benzophenone skeleton contained in one polyimide molecule and the terminal amino group of another polyimide molecule are hydrogen-bonded, high heat resistance is obtained. Moreover, since the polyimide further contains a long-chain alkyleneoxy group derived from an aliphatic diamine ( ⁇ 2), the solubility in a solvent is high, and the resulting polyimide film has high flexibility.
- the polyimide resin composition of the present invention may further contain a resin other than the above-described polyimide, a filler, a surface modifier, and the like, if necessary.
- Examples of other resins include epoxy compounds such as bisphenol A type epoxy compounds and bisphenol F type epoxy compounds; acrylate compounds such as carboxyethyl acrylate, propylene glycol acrylate, ethoxylated phenyl acrylate and aliphatic epoxy acrylate; methylene bisphenyl diisocyanate Isocyanate compounds such as (MDI), toluene diisocyanate (TDI), hexamethylene diisocyanate (HDI) and xylene diisocyanate (XDI); 4,4′-diphenylmethane bismaleimide, 4,4′-diphenyloxy bismaleimide, 4,4 ′ -Diphenylsulfone bismaleimide, p-phenylene bismaleimide, m-phenylene bismaleimide, 2,4-tolylene bismaleimide, , 6-Tolylene bismaleimide, ethylene bismaleimide, hexamethylene bismaleimide, 4,4 ′
- the polyimide resin composition may contain a flame retardant.
- a flame retardant is not specifically limited, For example, a halogen flame retardant, an inorganic flame retardant, and a phosphorus flame retardant can be used.
- a flame retardant may be used by 1 type and may be used in mixture of 2 or more types.
- the halogen-based flame retardant include an organic compound containing chlorine and a compound containing bromine. Specific examples include pentabromodiphenyl ether, octabromodiphenyl ether, decabromodiphenyl ether, tetrabromobisphenol A, hexabromocyclodecane tetrabromobisphenol A, and the like.
- Examples of inorganic flame retardants include antimony compounds and metal hydroxides.
- Antimony compounds include antimony trioxide and antimony pentoxide.
- Examples of the metal hydroxide include aluminum hydroxide and magnesium hydroxide.
- Examples of the phosphorus flame retardant include phosphazene, phosphine, phosphine oxide, and phosphate ester.
- the addition amount of the flame retardant is not particularly limited, and can be appropriately changed according to the type of the flame retardant used. Generally, it is preferable to use in the range of 5 to 50 parts by mass with respect to 100 parts by mass of the polyimide resin.
- the filler is preferably an inorganic filler in order to increase the heat resistance and thermal conductivity of the polyimide resin composition.
- the inorganic filler can be, for example, a heat dissipating filler, a conductive filler, or a magnetic filler.
- the heat dissipating filler can be made of a material having electrical insulating properties and high heat dissipating properties. Examples of the heat-dissipating filler include boron nitride, aluminum nitride, alumina, alumina hydrate, silicon oxide, silicon nitride, silicon carbide, diamond, hydroxyapatite, and barium titanate, preferably boron nitride and the like. is there.
- the content of the heat dissipating filler with respect to the total volume of the polyimide resin composition is preferably 20 to 60% by volume.
- the upper limit is more preferably 50% by volume.
- the conductive filler can be made of a conductive material.
- conductive fillers include metal powder, metal flakes, metal ribbons, metal fibers, metal oxides, fillers coated with conductive materials, carbon powder, graphite, carbon fibers, carbon flakes, scale-like carbon, etc. It is.
- the magnetic filler can be made of a magnetic material. Examples of the magnetic filler include sendust, permalloy, amorphous alloy, stainless steel, MnZn ferrite, NiZn ferrite and the like.
- the total volume of the conductive filler and magnetic filler content relative to the total volume of the polyimide resin composition is preferably 20 to 90% by volume, more preferably 30 to 80% by volume. When the total volume of the conductive filler and the magnetic filler is within the above range, a polyimide resin composition having excellent conductivity and the like is obtained.
- Examples of surface modifiers include silane coupling agents.
- a surface modifier may be added to treat the surface of the filler. Thereby, compatibility with a polyimide can be improved and the aggregation and dispersion
- the polyimide resin composition of the present invention may be in the form of a varnish or a film.
- the polyimide resin composition may further contain a solvent as necessary.
- solvents include N, N-dimethylformamide, N, N-dimethylacetamide, N, N-diethylformamide, N, N-diethylacetamide, N, N-dimethylmethoxyacetamide, dimethyl sulfoxide, hexamethylphosphoramide , N-methyl-2-pyrrolidone, dimethyl sulfone, 1,3,5-trimethylbenzene, 1,2,4-trimethylbenzene, etc., a mixed solvent of two or more of these, or these solvents and benzene, toluene , Mixed solvents with xylene, benzonitrile, dioxane, cyclohexane and the like.
- concentration of the resin solid content in the polyimide varnish is preferably 5 to 50% by weight, more preferably 10 to 30% by weight from the viewpoint of improving the coatability.
- the viscosity of a polyimide solution obtained by dispersing 20% by weight of polyimide in a mixed solvent of NMP and trimethylbenzene, measured at 25 ° C. with an E-type viscometer, is 5.0 ⁇ 10 2 to 1.0 ⁇ 10 6 mPa ⁇ s is preferable from the viewpoint of coatability, and 1.0 ⁇ 10 3 to 5.0 ⁇ 10 4 mPa ⁇ s is more preferable.
- the polyimide varnish can be obtained by mixing an acid anhydride component and a diamine component in a solvent, dehydrating them to obtain amic acid, and further imidizing. What is necessary is just to let the acid anhydride component and diamine component to mix
- the polyimide resin composition of the present invention can be a polyimide varnish in which polyimide is dissolved in the above-mentioned solvent. And after apply
- the step of imidizing the coating film of the polyimide resin composition of the present invention at a high temperature is not necessary, the polyimide layer can be applied and formed on a substrate having low heat resistance.
- Polyimide can be dissolved in a polar solvent means that in a solution in which the solvent is N-methyl-2-pyrrolidone and the solute is polyimide, the polyimide is deposited when the concentration of the polyimide is 5% by mass. This means that the polyimide does not gel. It is preferable that the polyimide does not precipitate or gel when the concentration of the polyimide with respect to the solution is 50% by mass. Precipitation and gelation of polyimide are confirmed visually.
- the thickness of the film can be, for example, 2 to 200 ⁇ m.
- the glass transition temperature of the film made of the polyimide resin composition is preferably 120 ° C. or higher and lower than 260 ° C., more preferably 130 to 210 ° C.
- the glass transition temperature of the polyimide resin composition is 260 ° C. or higher, for example, when the polyimide resin composition is a film adhesive, it is difficult to bond (thermocompression bonding) at a low temperature.
- the storage elastic modulus at (glass transition temperature + 30 ° C.) of the film made of the polyimide resin composition is preferably 1.0 ⁇ 10 5 Pa or more, and more preferably 1.0 ⁇ 10 6 Pa or more. preferable.
- a storage elastic modulus is calculated
- the storage elastic modulus E ′ at 180 ° C. of the film made of the polyimide resin composition is preferably 1.0 ⁇ 10 5 Pa or more, and more preferably 1.0 ⁇ 10 6 Pa or more.
- the storage elastic modulus E ′ at 180 ° C. is also determined from the solid viscoelastic profile obtained by the measurement of the glass transition temperature described above.
- the elongation at break at 23 ° C. of a 50 ⁇ m-thick film made of a polyimide resin composition is preferably 50% or more, and more preferably 80% or more. Such a polyimide resin composition is suitable for applications that require flexibility.
- the elongation rate at the time of the tensile break of the film is that when a film made of a polyimide resin composition cut to a width of 10 mm and a length of 140 mm is pulled in the length direction with Tensilon at 23 ° C. at a speed of 50 mm / min. It is expressed as (length of sample film at break-original length of sample film) / (original length of sample film).
- the polyimide contained in the polyimide resin composition of the present invention contains a benzophenone skeleton derived from aromatic tetracarboxylic dianhydride ( ⁇ 1) or aromatic diamine ( ⁇ 1), and a molecular terminal contains an amino group. . Therefore, since the carbonyl group derived from the benzophenone skeleton contained in one polyimide molecule and the terminal amino group of another polyimide molecule are hydrogen-bonded, the obtained film has high heat resistance.
- the polyimide contained in the polyimide resin composition of the present invention further contains a long-chain alkyleneoxy group derived from an aliphatic diamine ( ⁇ 2). Therefore, the polyimide layer or polyimide film obtained from the polyimide resin composition of the present invention has high flexibility while having high heat resistance.
- polyimide resin composition The film obtained from the polyimide resin composition of the present invention has high heat resistance and high flexibility. Therefore, the polyimide resin composition of the present invention is used for applications that particularly require heat resistance and flexibility; for example, electronic circuit board members, semiconductor devices, lithium ion battery members, solar cell members, fuel cell members, motor windings, engines It can be used as an adhesive, a sealing material, an insulating material, a substrate material, or a protective material in peripheral members, paints, optical parts, heat dissipation bases and electromagnetic shielding bases, surge parts, and the like.
- the substrate can be made of silicon, ceramics, metal, or the like, depending on the application.
- the metal include silicon, copper, aluminum, SUS, iron, magnesium, nickel, and alumina.
- the resin include urethane resin, epoxy resin, acrylic resin, polyimide resin, PET resin, polyamide resin, polyamideimide resin, and the like.
- the above-mentioned laminate may be manufactured through a step of applying a polyimide resin composition of the present invention on a substrate and then drying to form a resin layer made of the polyimide resin composition; And the film which consists of a polyimide resin composition of this invention is thermocompression-bonded, and you may manufacture through the step of forming the resin layer which consists of a polyimide resin composition.
- the drying temperature of the coating film is preferably 250 ° C. or lower.
- the polyimide resin composition of the present invention can be used as a circuit board; particularly an insulating substrate or an adhesive in a flexible circuit board.
- the flexible circuit board can have a metal foil (base material) and an insulating layer made of the polyimide resin composition of the present invention disposed thereon.
- the flexible circuit board can have an insulating resin film (base material), an adhesive layer made of the polyimide resin composition of the present invention, and a metal foil.
- the polyimide resin composition of the present invention comprises an adhesive for bonding semiconductor chips, an adhesive for bonding a semiconductor chip and a substrate, a protective material for protecting a circuit of a semiconductor chip, and an embedding material (sealing) for embedding a semiconductor chip. Material).
- the polyimide resin composition of the present invention further contains an inorganic filler, the polyimide resin composition of the present invention can be used as an adhesive with high heat dissipation.
- the semiconductor device of the present invention has a semiconductor chip (base material) and a resin layer made of the polyimide resin composition of the present invention disposed on at least one surface thereof.
- the semiconductor chip includes a diode, a transistor, an integrated circuit (IC), and the like, and also includes a power element and the like.
- the resin layer made of the polyimide resin composition may be disposed on a surface (terminal formation surface) on which a terminal of the semiconductor chip is formed, or may be disposed on a surface different from the terminal formation surface.
- the thickness of the layer made of the polyimide resin composition is preferably about 1 to 100 ⁇ m.
- the thickness is preferably about 2 to 200 ⁇ m.
- FIG. 1 is a schematic diagram showing an example of a ball grid array (BGA) package.
- the BGA package 10 includes a substrate 12 and a semiconductor chip 14 disposed on the other surface.
- the upper surface of the semiconductor chip 14 (base material) is sealed with a seal layer 16.
- the sealing layer 16 can be the polyimide resin composition of the present invention.
- FIG. 2 is a schematic diagram showing an example of a chip-on-film (COF) package.
- the COF package 20 includes a film substrate 22 and a semiconductor chip 24 disposed on one surface thereof via bumps.
- the gap between the semiconductor chip 24 and the film substrate 22 (base material) is sealed with an underfill layer 26.
- the underfill layer 26 can be a polyimide resin composition of the present invention.
- the polyimide resin composition of the present invention is a substrate in a solar cell module, a frame-shaped sealing material, and an insulating protective film disposed on the surface of an ITO electrode of an organic thin film solar cell or a dye-sensitized solar cell. sell. That is, the solar cell module usually has a solar cell, a pair of substrates (protective member) sandwiching the solar cell, and a sealing layer filled between at least one substrate and the solar cell, The outer periphery of the solar cell module is further sealed with a sealing material. And the sealing material arrange
- the polyimide resin composition of the present invention comprises a binder for fixing an electrode active material on a metal foil of an electrode constituting a lithium ion secondary battery (particularly a high capacity negative electrode active material (for example, silicon particles)). ) On a negative electrode plate (foil)) or a separator.
- the electrode of the lithium ion secondary battery has a metal foil (current collector foil), an electrode active material disposed thereon, and an active material layer including a binder.
- the binder in an active material layer can be made into the polyimide resin composition of this invention.
- the electrode active material In a lithium ion secondary battery, since the electrode active material repeatedly occludes and releases lithium ions during the charge / discharge process, the electrode active material is greatly expanded and contracted, and the electrode active material is liable to peel (drop off). Since the polyimide resin composition of the present invention has adhesiveness that can withstand expansion and contraction of the electrode active material accompanying charge / discharge and also has heat resistance, it can suppress peeling of the electrode active material.
- the separator of the lithium ion secondary battery may include the polyimide resin composition of the present invention.
- the separator of a lithium ion secondary battery may be obtained by spinning a fiber made of the polyimide resin composition of the present invention.
- Such a separator containing the polyimide resin composition of the present invention has higher heat resistance than conventional olefin-based separators.
- the polyimide resin composition of this invention can be used as a heat dissipation base material for cooling a semiconductor device, a household appliance, a personal computer, a motor, a portable apparatus, etc.
- Conventional heat radiating substrates are made of silicone resin, epoxy resin, acrylic, etc., but these are not sufficient in heat resistance, flexibility and insulation, and further contain VOC (volatile organic compound). It was out.
- the polyimide resin composition of the present invention is used as a heat dissipation base material, heat resistance, flexibility and insulation can be improved, and the VOC amount can be reduced.
- the polyimide resin composition of the present invention it is preferable that 20 to 60% by volume of a heat radiating filler is included with respect to the total volume of the polyimide resin composition.
- the polyimide resin composition of the present invention is an electromagnetic shielding base material that blocks external electromagnetic waves that affect transportation devices such as semiconductor devices, home appliances, personal computers, automobiles, and portable devices, or internal electromagnetic waves generated therefrom. It can be.
- Conventional electromagnetic shielding substrates are made of silicone resin, epoxy resin, acrylic resin, etc., but these are not sufficient in heat resistance and flexibility and contain VOC (volatile organic compound).
- VOC volatile organic compound
- the polyimide resin composition of the present invention is used as an electromagnetic wave shielding substrate, the heat resistance and flexibility can be improved, and the VOC amount can be reduced.
- the conductive filler and / or magnetic filler is contained in an amount of 20 to 90% by volume based on the total volume of the polyimide resin composition.
- the polyimide resin composition of the present invention is based on abnormal currents and voltages that affect household appliances, personal computers, automobiles and other transportation equipment, portable devices, power supplies, servers, and telephones. It can be used as an adhesive for surge components (surge absorber) for protection, or as a sealing material for surge components. Conventional adhesives or sealants for surge parts were welding agents such as silver wax, but these required high temperature processes and high material costs. Further, when the resin adhesive is used as the adhesive or the sealing material, the voltage resistance and heat resistance are not sufficient, and further VOC (volatile organic compound) is included.
- VOC volatile organic compound
- the surge component can be bonded or sealed at a low temperature, and the withstand voltage and heat resistance are sufficient. Further, the amount of VOC can be reduced, which is also preferable from the viewpoint of cost.
- the polyimide resin composition of the present invention is preferably used as an adhesive used in semiconductor manufacturing equipment, particularly as an adhesive application for electrostatic chucks.
- a stress-relaxing rubber-based adhesive such as butyl rubber, a heat-resistant epoxy, or a polyimide-based adhesive has been used.
- the rubber adhesive has a problem of insufficient heat resistance.
- epoxy and polyimide adhesives have problems such as insufficient stress relaxation and cracking of the ceramic electrostatic chuck portion.
- the polyimide resin composition of the present invention can satisfy both heat resistance, flexibility and insulation properties, and is thermoplastic, so that it can be used as an adhesive as it is and is suitable for this application.
- the polyimide resin composition of the present invention is preferably used as a surface coating material or adhesive for dental materials such as artificial teeth and dentures.
- Acrylic coating materials have been used for the surface coating of conventional artificial teeth.
- the wear resistance and friction resistance as artificial teeth are insufficient.
- the polyimide resin composition of the present invention has high mechanical strength and excellent wear resistance, it is suitable as a surface coating material for artificial teeth or a peripheral adhesive by mixing a white filler or the like.
- Acid dianhydride 1 Aromatic tetracarboxylic dianhydride ( ⁇ 1) having a benzophenone skeleton represented by general formula (1) BTDA: 3,3 ′, 4,4′-benzophenone tetracarboxylic dianhydride 2) Other tetracarboxylic dianhydrides ( ⁇ 2) s-BPDA: 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride (manufactured by JFE Chemical) PMDA: pyromellitic dianhydride ODPA: oxydiphthalic dianhydride
- NMP N-methylpyrrolidone
- mesitylene two types of acid dianhydrides
- APB 14EL
- XTJ-542 0.79: 0.2: 0.8: 0.1: 0.1.
- the reaction system After sufficiently stirring the resulting polyamic acid solution, the reaction system is heated to about 180 ° C. while stirring in a flask with a Dean-Stark tube, and water generated in the dehydration reaction is taken out of the system. A polyimide varnish was obtained.
- the obtained polyimide varnish was coated on a PET film subjected to a release treatment at a speed of 10 mm / second, and then dried at 200 ° C. for 10 minutes to remove the solvent.
- the film obtained after drying was peeled off from the PET film with tweezers to obtain a polyimide film having a thickness of 50 ⁇ m.
- the storage elastic modulus E ′ at a temperature 30 ° C. higher than the glass transition temperature of the polyimide film was evaluated based on the following criteria.
- Storage elastic modulus E ′ is less than 1.0 ⁇ 10 5 Pa
- the storage elastic modulus at 180 ° C. was also specified.
- the storage elastic modulus E ′ at 180 ° C. was also evaluated based on the following criteria.
- Storage elastic modulus E ′ is less than 1.0 ⁇ 10 5 Pa
- Elongation rate and tensile strength at the time of tensile fracture The produced polyimide film was cut into a width of 10 mm and a length of 140 mm to obtain a sample film. The sample film was stretched with a tensilon in the length direction at 23 ° C. at a speed of 50 mm / min. Then, (length of sample film at break ⁇ original length of sample film) / (original length of sample film) was defined as “elongation rate at tensile break”. And the elongation rate at the time of the tensile fracture of a sample film was evaluated on the following references
- a polyimide film was prepared and evaluated.
- Example 3 Two kinds of acid dianhydrides (s-BPDA, BTDA) and three kinds of diamines (p-BAPP, 14EL, XTJ-542) in a solvent prepared by adjusting NMP and mesitylene at a ratio of 7/3.
- S-BPDA: BTDA: p-BAPP: 14EL: XTJ-542 0, except that it was blended in a molar ratio of 0.78: 0.2: 0.8: 0.1: 0.1
- a polyimide varnish and a polyimide film were prepared and evaluated.
- Example 4 Two kinds of acid dianhydrides (s-BPDA, BTDA) and three kinds of diamines (p-BAPP, 14EL, XTJ-542) in a solvent prepared by adjusting NMP and mesitylene at a ratio of 7/3.
- S-BPDA: BTDA: p-BAPP: 14 EL: XTJ-542 0, except that it was blended in a molar ratio of 0.59: 0.4: 0.7: 0.1: 0.2
- a polyimide varnish and a polyimide film were prepared and evaluated.
- Example 7 Two kinds of acid dianhydrides (s-BPDA, BTDA) and two kinds of diamines (p-BAPP, D-2000) are mixed in a solvent prepared by adjusting NMP and mesitylene at a ratio of 7/3.
- -BPDA: BTDA: p-BAPP: D-2000 0.59
- a polyimide varnish and a polyimide film were produced in the same manner as in Example 1 except that the molar ratio was 0.59: 0.4: 0.8: 0.2. And evaluated.
- PMDA acid dianhydride
- APB diamine
- BTDA acid dianhydride
- APB diamine
- Table 1 shows the evaluation results of Examples 1 to 8 and Comparative Examples 1 to 6.
- the amine equivalent of polyimide in Table 1 was determined after measuring the number average molecular weight of polyimide; the number average molecular weight obtained was divided by the number of amino groups contained in one molecule.
- the total content of monomers having a benzophenone skeleton is the ratio of the total number of moles of monomers having a benzophenone skeleton (acid dianhydride or diamine) to the total number of moles of acid dianhydride and diamine constituting the polyimide. .
- the polyimides of Examples 1 to 8 having a benzophenone skeleton and a long-chain alkyleneoxy group derived from an aliphatic diamine and having an amine equivalent in a certain range have varnish stability. It can be seen that both the heat resistance and elongation of the resulting film are high.
- the polyimides of Comparative Examples 1, 2, and 6 that do not have a long-chain alkyleneoxy group derived from an aliphatic diamine have low varnish stability and could not be formed into a film.
- the polyimide of Comparative Example 4 having a long-chain alkyleneoxy group derived from an aliphatic diamine but not having a benzophenone skeleton has high varnish stability but low heat resistance of the resulting film.
- the polyimide of Comparative Example 3 which has a benzophenone skeleton but does not have a long-chain alkyleneoxy group derived from an aliphatic diamine has high varnish stability and high heat resistance of the resulting film, but low elongation. I understand.
- the polyimide of Comparative Example 5 which does not have a long-chain alkyleneoxy group derived from an aliphatic diamine and has an alkylene group derived from polymethylenesiloxane has good varnish stability and good heat resistance of the resulting film. However, it can be seen that the elongation is low.
- the polyimide resin composition of the present invention is excellent in solubility in a solvent, and has high viscoelasticity and high flexibility at high temperatures. Therefore, the polyimide resin composition of the present invention is suitable as an adhesive for various fields that require high heat resistance and flexibility; for example, an electronic circuit board member, a semiconductor device, a lithium ion battery member, and a solar battery member. It is.
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Abstract
Description
[1]テトラカルボン酸二無水物とジアミンの重縮合ユニットを含むポリイミドであって、前記ポリイミドを構成するテトラカルボン酸二無水物が、下記一般式(1)で表されるベンゾフェノン骨格を有する芳香族テトラカルボン酸二無水物(α1)を含むか、または前記ポリイミドを構成するジアミンが、下記一般式(2)で表されるベンゾフェノン骨格を有する芳香族ジアミン(β1)を含み;前記ポリイミドを構成するジアミンが、下記一般式(3)または(4)で表される脂肪族ジアミン(β2)を含み;前記一般式(1)で表されるベンゾフェノン骨格を有する芳香族テトラカルボン酸二無水物(α1)と前記一般式(2)で表されるベンゾフェノン骨格を有する芳香族ジアミン(β1)との合計含有量が、前記ポリイミドを構成するテトラカルボン酸二無水物とジアミンの合計に対して5~49モル%であり、かつアミン当量が4000~20000であるポリイミド、を含む、ポリイミド樹脂組成物。
前記脂肪族鎖は、C、N、H、Oのいずれか一以上の原子からなる側鎖をさらに有してもよく、前記側鎖を構成する原子数の合計が10以下である)
前記脂肪族鎖は、C、N、H、Oのいずれか一以上の原子からなる側鎖をさらに有してもよく、前記側鎖を構成する原子数の合計が10以下である)
[3]溶媒をさらに含み、前記ポリイミドが前記溶媒に溶解している、[1]または[2]に記載のポリイミド樹脂組成物。
[4]前記一般式(3)のR1および前記一般式(4)のR2は、アルキレンオキシ基またはポリアルキレンオキシ基を含む主鎖を有する脂肪族鎖であって、前記アルキレンオキシ基のアルキレン部分、および前記ポリアルキレンオキシ基を構成するアルキレンオキシユニットのアルキレン部分の炭素数が1~10である、[1]~[3]のいずれかに記載のポリイミド樹脂組成物。
[5]前記一般式(3)で表される脂肪族ジアミン(β2)が、下記一般式(3-1)で表される化合物であり、前記一般式(4)で表される脂肪族ジアミン(β2)が、下記一般式(4-1)で表される化合物である、[1]~[4]のいずれかに記載のポリイミド樹脂組成物。
[7]前記一般式(1)で表されるベンゾフェノン骨格を有する芳香族テトラカルボン酸二無水物(α1)は、3,3’,4,4’-ベンゾフェノンテトラカルボン酸二無水物および2,3,3’,4’-ベンゾフェノンテトラカルボン酸二無水物からなる群より選ばれる一以上であり、前記一般式(2)で表されるベンゾフェノン骨格を有する芳香族ジアミン(β1)は、3,3’-ジアミノベンゾフェノン、3,4-ジアミノベンゾフェノンおよび4,4’-ジアミノベンゾフェノンからなる群より選ばれる一以上である、[1]~[6]のいずれかに記載のポリイミド樹脂組成物。
[8]前記ポリイミドのガラス転移温度が120℃以上260℃未満である、[1]~[7]のいずれかに記載のポリイミド樹脂組成物。
[9]無機フィラーをさらに含む、[1]~[8]のいずれかに記載のポリイミド樹脂組成物。
[11]前記無機フィラーが、導電性フィラー及び/または磁性フィラーであり、ポリイミド樹脂組成物の全体積に対する、前記導電性フィラー及び前記磁性フィラーの合計体積が、20~90体積%である、[9]または[10]に記載のポリイミド樹脂組成物。
[12]エポキシ化合物、アクリレート化合物、イソシアネート化合物、マレイミド化合物およびナジイミド化合物からなる群より選ばれる一以上の化合物をさらに含む、請求項1に記載のポリイミド樹脂組成物。
[14]前記基材は、金属、セラミックまたは樹脂である、[13]に記載の積層体。
[15]前記[13]または[14]に記載の積層体を有する、電子回路基板部材。
[16]前記[13]または[14]に記載の積層体を有する、半導体デバイス。
[18]前記[1]~[12]のいずれかに記載のポリイミド樹脂組成物を含む、リチウムイオン電池用セパレーター。
[19]前記[10]に記載のポリイミド樹脂組成物からなる、放熱基材。
[20]前記[11]に記載のポリイミド樹脂組成物からなる、電磁波シールド基材。
[21]前記[1]~[12]のいずれかに記載のポリイミド樹脂組成物を含む、サージ部品用接着剤。
[22]前記[1]~[12]のいずれかに記載のポリイミド樹脂組成物を含む、サージ部品用封止材。
[23]前記[1]~[12]のいずれかに記載のポリイミド樹脂組成物を含む、半導体製造装置接着剤。
[24]前記[1]~[12]のいずれか一項に記載のポリイミド樹脂組成物を含む、歯科材料。
前記ポリイミド樹脂組成物からなる厚さ50μmのポリイミドフィルムは、下記条件a)及びb)を満たす、ポリイミド樹脂組成物。
a)180℃における、周波数1Hzでの貯蔵弾性率E’が1.0×105Pa以上である
b)23℃における、速度50mm/分での引張破断時の伸び率が50%以上である
本発明のポリイミド樹脂組成物は、特定のポリイミドを含み、必要に応じて無機フィラーなどの他の任意成分をさらに含んでもよい。
m-フェニレンジアミン、o-フェニレンジアミン、p-フェニレンジアミン、m-アミノベンジルアミン、p-アミノベンジルアミン、
ビス(3-アミノフェニル)スルフィド、(3-アミノフェニル)(4-アミノフェニル)スルフィド、ビス(4-アミノフェニル)スルフィド、ビス(3-アミノフェニル)スルホキシド、(3-アミノフェニル)(4-アミノフェニル)スルホキシド、ビス(3-アミノフェニル)スルホン、(3-アミノフェニル)(4-アミノフェニル)スルホン、ビス(4-アミノフェニル)スルホン、3,3’-ジアミノジフェニルメタン、3,4’-ジアミノジフェニルメタン、4,4’-ジアミノジフェニルメタン、4,4’-ジアミノジフェニルエーテル、3,3’-ジアミノジフェニルエーテル、3,4’-ジアミノジフェニルエーテル、3,3'-ジメチルベンジジン、3,4'-ジメチルベンジジン、4,4'-ジメチルベンジジン、2,2'-ビス(トリフルオロメチル)-1,1’-ビフェニル-4,4’-ジアミン、
1,3-ビス(3-アミノフェノキシ)ベンゼン、1,3-ビス(4-アミノフェノキシ)ベンゼン、1,3-ビス(3-(3-アミノフェノキシ)フェノキシ)ベンゼン、1,3-ビス(3-(4-アミノフェノキシ)フェノキシ)ベンゼン、1,3-ビス(4-(3-アミノフェノキシ)フェノキシ)ベンゼン、1,3-ビス(3-(3-アミノフェノキシ)フェノキシ)-2-メチルベンゼン、1,3-ビス(3-(4-アミノフェノキシ)フェノキシ)-4-メチルベンゼン、1,3-ビス(4-(3-アミノフェノキシ)フェノキシ)-2-エチルベンゼン、1,3-ビス(3-(2-アミノフェノキシ)フェノキシ)-5-sec-ブチルベンゼン、1,3-ビス(4-(3-アミノフェノキシ)フェノキシ)-2,5-ジメチルベンゼン、1,3-ビス(4-(2-アミノ-6-メチルフェノキシ)フェノキシ)ベンゼン、1,3-ビス(2-(2-アミノ-6-エチルフェノキシ)フェノキシ)ベンゼン、1,3-ビス(2-(3-アミノフェノキシ)-4-メチルフェノキシ)ベンゼン、1,3-ビス(2-(4-アミノフェノキシ)-4-tert-ブチルフェノキシ)ベンゼン、1,4-ビス(3-(3-アミノフェノキシ)フェノキシ)-2,5-ジ-tert-ブチルベンゼン、1,4-ビス(3-(4-アミノフェノキシ)フェノキシ)-2,3-ジメチルベンゼン、1,4-ビス(3-(2-アミノ-3-プロピルフェノキシ)フェノキシ)ベンゼン、1,2-ビス(3-(3-アミノフェノキシ)フェノキシ)-4-メチルベンゼン、1,2-ビス(3-(4-アミノフェノキシ)フェノキシ)-3-n-ブチルベンゼン、1,2-ビス(3-(2-アミノ-3-プロピルフェノキシ)フェノキシ)ベンゼン、4,4’-ビス(4-アミノフェニル)-1,4-ジイソプロピルベンゼン、3,4’-ビス(4-アミノフェニル)-1,4-ジイソプロピルベンゼン、3,3’-ビス(4-アミノフェニル)-1,4-ジイソプロピルベンゼン、
ビス[4-(3-アミノフェノキシ)フェニル]メタン、ビス[4-(4-アミノフェニキシ)フェニル]メタン、1,1-ビス[4-(3-アミノフェノキシ)フェニル]エタン、1,1-ビス[4-(4-アミノフェノキシ)フェニル]エタン、1,2-ビス[4-(3-アミノフェノキシ)フェニル]エタン、1,2-ビス[4-(4-アミノフェノキシ)フェニル]エタン、2,2-ビス[4-(3-アミノフェノキシ)フェニル]プロパン、2,2-ビス[4-(4-アミノフェノキシ)フェニル]プロパン、2,2-ビス[4-(3-アミノフェノキシ)フェニル]ブタン、2,2-ビス[3-(3-アミノフェノキシ)フェニル]-1,1,1,3,3,3-ヘキサフルオロプロパン、2,2-ビス[4-(4-アミノフェノキシ)フェニル]-1,1,1,3,3,3-ヘキサフルオロプロパン、4,4’-ビス(3-アミノフェノキシ)ビフェニル、4,4’-ビス(4-アミノフェノキシ)ビフェニル、3,3’-ビス(4-アミノフェノキシ)ビフェニルビス[4-(3-アミノフェノキシ)フェニル]ケトン、ビス[4-(4-アミノフェノキシ)フェニル]ケトン、ビス[4-(3-アミノフェノキシ)フェニル]スルフィド、ビス[4-(4-アミノフェノキシ)フェニル]スルフィド、ビス[4-(3-アミノフェノキシ)フェニル]スルホキシド、ビス[4-(アミノフェノキシ)フェニル]スルホキシド、ビス[4-(3-アミノフェノキシ)フェニル]スルホン、ビス[4-(4-アミノフェノキシ)フェニル]スルホン、1,4-ビス[4-(3-アミノフェノキシ)ベンゾイル]ベンゼン、1,3-ビス[4-(3-アミノフェノキシ)ベンゾイル]ベンゼン、4,4’-ビス[3-(4-アミノフェノキシ)ベンゾイル]ジフェニルエーテル、4,4’-ビス[3-(3-アミノフェノキシ)ベンゾイル]ジフェニルエーテル、4,4’-ビス[4-(4-アミノ-α,α-ジメチルベンジル)フェノキシ]ベンゾフェノン、4,4’-ビス[4-(4-アミノ-α,α-ジメチルベンジル)フェノキシ]ジフェニルスルホン、ビス[4-{4-(4-アミノフェノキシ)フェノキシ}フェニル]スルホン、1,4-ビス[4-(4-アミノフェノキシ)-α,α-ジメチルベンジル]ベンゼン、1,3-ビス[4-(4-アミノフェノキシ)-α,α-ジメチルベンジル]ベンゼンなどが含まれる。なかでも、1,3-ビス(3-アミノフェノキシ)ベンゼン、1,3-ビス(4-アミノフェノキシ)ベンゼン、2,2-ビス[4-(4-アミノフェノキシ)フェニル]プロパン、ビス(3-アミノフェニル)スルホン、ビス(4-アミノフェニル)スルホン、4,4’-ビス(4-アミノフェニル)-1,4-ジイソプロピルベンゼン、3,4’-ビス(4-アミノフェニル)-1,4-ジイソプロピルベンゼン、3,3’-ビス(4-アミノフェニル)-1,4-ジイソプロピルベンゼン、3,3’-ビス(4-アミノフェノキシ)ビフェニル、2,2'-ビス(トリフルオロメチル)-1,1’-ビフェニル-4,4’-ジアミン、3,3'-ジメチルベンジジン、3,4'-ジメチルベンジジン、4,4'-ジメチルベンジジンが、柔軟性を著しく低下させることなく、耐熱性を高めることができるため、好ましい。
磁性フィラーは、磁性を有する材質で構成されたものとできる。磁性フィラーの例には、センダスト、パーマロイ、アモルファス合金、ステンレス鋼、MnZnフェライト、NiZnフェライト等が含まれる。ポリイミド樹脂組成物全体積に対する、導電性フィラー及び磁性フィラーの含有量の合計体積は、20~90体積%が好ましく、より好ましくは30~80体積%である。導電性フィラー及び磁性フィラーの合計体積を上記範囲とすると、導電性等に優れたポリイミド樹脂組成物となる。
また、ポリイミド樹脂組成物からなるフィルムの180℃での貯蔵弾性率E’は、1.0×105Pa以上であることが好ましく、1.0×106Pa以上であることがより好ましい。180℃の貯蔵弾性率E’も、前述のガラス転移温度の測定で得られた固体粘弾性のプロファイルから求められる。
本発明のポリイミド樹脂組成物から得られるフィルムは、高い耐熱性と、高い柔軟性とを有する。そのため、本発明のポリイミド樹脂組成物は、特に耐熱性と柔軟性が要求される用途;例えば電子回路基板部材、半導体デバイス、リチウムイオン電池部材、太陽電池部材、燃料電池部材、モーター巻線、エンジン周辺部材、塗料、光学部品、放熱基材および電磁波シールド基材、サージ部品などにおける接着剤や封止材、絶縁材料、基板材料、または保護材料としうる。
本発明のポリイミド樹脂組成物は、回路基板;特にフレキシブル回路基板における絶縁性基板または接着材としうる。例えば、フレキシブル回路基板は、金属箔(基材)と、その上に配置された、本発明のポリイミド樹脂組成物からなる絶縁層とを有しうる。また、フレキシブル回路基板は、絶縁樹脂フィルム(基材)と、本発明のポリイミド樹脂組成物からなる接着層と、金属箔とを有しうる。
本発明のポリイミド樹脂組成物は、半導体チップ同士の接着や、半導体チップと基板との接着を行う接着材、半導体チップの回路を保護する保護材、半導体チップを埋め込む埋め込み材(封止材)などとしうる。本発明のポリイミド樹脂組成物が無機フィラーをさらに含む場合、本発明のポリイミド樹脂組成物は、放熱性の高い接着材としうる。
本発明のポリイミド樹脂組成物は、太陽電池モジュールにおける基板、枠状封止材、および有機薄膜太陽電池や色素増感太陽電池のITO電極の表面に配置される絶縁保護膜などとしうる。即ち、太陽電池モジュールは、通常、太陽電池セルと、それを挟持する一対の基板(保護部材)と、少なくとも一方の基板と太陽電池セルとの間に充填された封止層とを有し、太陽電池モジュールの外周が、封止材でさらに封止されている。そして、基板(保護部材)または枠状に配置される封止材を、本発明のポリイミド樹脂組成物とすることができる。
本発明のポリイミド樹脂組成物は、リチウムイオン二次電池を構成する電極の、電極活物質を金属箔上に固定するためのバインダー(特に高容量の負極活物質(例えばシリコン粒子)を負極板(箔)上に固定するためのバインダー)や、セパレーターとしうる。
本発明のポリイミド樹脂組成物は、半導体デバイス、家電、パソコン、モーター、携帯機器などを冷却するための放熱基材としうる。従来の放熱基材は、シリコーン樹脂、エポキシ樹脂、アクリル等からなるものであったが、これらは耐熱性、可撓性、及び絶縁性が十分でなく、さらにVOC(揮発性有機化合物)を含んでいた。これに対し、本発明のポリイミド樹脂組成物を放熱基材とすれば、耐熱性、可撓性、絶縁性を良好にでき、さらにVOC量を少なくできる。本発明のポリイミド樹脂組成物を放熱基材とする場合、ポリイミド樹脂組成物全体積に対して、放熱性フィラーを20~60体積%含むことが好ましい。
本発明のポリイミド樹脂組成物は、半導体デバイス、家電、パソコン、自動車などの輸送機器、携帯機器などへ影響を及ぼす外部電磁波、またはそれらから発生する内部電磁波を遮断する電磁波シールド基材としうる。従来の電磁波シールド基材は、シリコーン樹脂、エポキシ樹脂、アクリル樹脂等からなるものであったが、これらは耐熱性及び可撓性が十分でなく、VOC(揮発性有機化合物)を含んでいた。これに対し、本発明のポリイミド樹脂組成物を電磁波シールド基材とすれば、耐熱性及び可撓性を良好にでき、さらにVOC量を少なくできる。本発明のポリイミド樹脂組成物を電磁波シールド基材とする場合、ポリイミド樹脂組成物全体積に対して、導電性フィラー及び/または磁性フィラーを20~90体積%含むことが好ましい。
本発明のポリイミド樹脂組成物は、家電、パソコン、自動車などの輸送機器、携帯機器、電源、サーバー、電話などへ影響を及ぼす異常電流・電圧から保護するためのサージ部品(サージアブソーバー)用接着剤、またはサージ部品用封止材としうる。従来のサージ部品用接着剤または封止材は、銀蝋などの溶接剤であったが、これらは高温プロセスが必要であり、且つ材料コストが高かった。また、樹脂系接着を上記接着剤または封止材とする場合には、耐電圧性及び耐熱性が十分でなく、さらにVOC(揮発性有機化合物)を含んでいた。これに対し、本発明のポリイミド樹脂組成物を上記接着剤または封止材とすれば、サージ部品を低温で接着もしくは封止が可能であり、かつ耐電圧及び耐熱性も十分である。またVOC量を低減でき、さらにコストの観点からも好ましい。
本発明のポリイミド樹脂組成物は、半導体製造装置内に使用される接着剤、特に静電チャックの接着剤用途として好ましく用いられる。従来はセラミック静電チャックとアルミ基板電極との間の接着剤として、応力緩和性のあるブチルゴムなどのゴム系接着剤や、耐熱性のあるエポキシ、ポリイミド系接着剤が用いられてきた。しかしながら、半導体製造温度が高温化するに従って、ゴム系接着剤では耐熱性不足の課題があった。一方で、エポキシやポリイミド系接着剤では、応力緩和が不十分でセラミック静電チャック部が割れるなどの課題があった。さらに、静電チャック部の放熱性を上げるために接着剤層を薄くする必要性があるが、ポリイミド以外のゴム系接着剤やエポキシなどでは絶縁性が低く、絶縁破壊を起こす問題が指摘されていた。本発明のポリイミド樹脂組成物は耐熱性と柔軟性、絶縁性の両立が可能であり、且つ熱可塑性であるためにそのまま接着剤として使うことができ、本用途に好適である。
本発明のポリイミド樹脂組成物は、人工歯や入れ歯など歯科材料の表面コート材や接着剤用途として好ましく用いられる。従来の人工歯の表面コートにはアクリル系コート材が用いられてきた。しかしながら人工歯としての耐摩耗性、耐摩擦性が不足しているといった課題があった。本発明のポリイミド樹脂組成物は、機械強度が強く耐摩耗性にも優れるため、白色フィラーなどを混ぜることで人工歯の表面コート材や周辺接着剤として好適である。
(1)酸二無水物
1)一般式(1)で表されるベンゾフェノン骨格を有する芳香族テトラカルボン酸二無水物(α1)
BTDA:3,3',4,4’-ベンゾフェノンテトラカルボン酸二無水物
2)他のテトラカルボン酸二無水物(α2)
s-BPDA:3,3',4,4’-ビフェニルテトラカルボン酸二無水物(JFEケミカル社製)
PMDA:ピロメリット酸二無水物
ODPA:オキシジフタル酸二無水物
1)一般式(3)または一般式(4)で表される脂肪族ジアミン(β2)
14EL:ポリテトラメチレンオキシド ジ-p-アミノベンゾエート(エラスマー1000)(伊原ケミカル社製)
2)他のジアミン(β3)
APB:1,3-ビス(3-アミノフェノキシ)ベンゼン(三井化学社製)
p-BAPP:2,2-ビス(4-(4-アミノフェノキシ)フェニル)プロパン
1-Si:1,3-ビス(3-アミノプロピル)テトラメチルジシロキサン
m-BP:4,4’-ビス(3-アミノフェノキシ)ビフェニル
ポリイミドワニスの調製
NMP(N-メチルピロリドン)とメシチレンを7/3の比率で調製した溶媒中に、2種類の酸二無水物(s-BPDA、BTDA)と、3種類のジアミン(APB、14EL、XTJ-542)とを、s-BPDA:BTDA:APB:14EL:XTJ-542=0.79:0.2:0.8:0.1:0.1のモル比で配合した。得られた混合物を、乾燥窒素ガスを導入できるフラスコ内で4時間以上攪拌し、樹脂固形分が20~25質量%であるポリアミック酸溶液を得た。得られたポリアミック酸溶液を、十分に攪拌した後、ディーンスターク管が付属したフラスコ内で攪拌しながら、反応系を180℃程度まで加熱し、脱水反応で発生した水を系外に取り出して、ポリイミドワニスを得た。
作製したポリイミドワニスを小瓶に入れて、3℃に調整した冷蔵庫内で3ヶ月間保管した。そして、数週間ごとにポリイミドワニスの外観を目視観察した。具体的には、樹脂の析出やゲル化が生じるかどうかを目視観察した。そして、ワニスの安定性を、以下の基準に基づいて評価した。
○:3ヶ月を超えても、樹脂の析出やゲルの生じない
△:1ヶ月超3ヶ月以内で、析出やゲル化が生じる
×:1ヶ月以内に、析出やゲル化が生じる
得られたポリイミドワニスを、離型処理されたPETフィルム上に10mm/秒の速度で塗工した後、200℃で10分間乾燥させて溶媒を除去した。乾燥後に得られたフィルムを、ピンセットでPETフィルムから剥離して、膜厚50μmのポリイミドフィルムを得た。
作製したポリイミドフィルムを幅10mm×長さ100mmの短冊状に切り出し、サンプルフィルムとした。このサンプルフィルムを、所定の温度に加熱した半田浴槽上に所定の時間浮かべたときに、サンプルフィルムが溶融するかどうかを観察した。そして、サンプルフィルムの耐熱性を、以下の基準に基づいて評価した。
◎:280℃、30秒間後においても溶融なし
○:260℃、60秒間後において若干溶融するが、形状を維持でき、かつ引き上げ可能なレベル
×:260℃、60秒間後において溶融する
作製したポリイミドフィルムの貯蔵弾性率E’と損失弾性率E''を、TA製のRSA-IIにより、固体粘弾性の温度分散測定を引張モード、測定周波数1Hzで測定した。そして、損失正接tanδ=E''/E’のピーク値からガラス転移温度を導出した。
○:貯蔵弾性率E’が1.0×105Pa以上
×:貯蔵弾性率E’が1.0×105Pa未満
さらに、180℃における貯蔵弾性率も特定した。180℃における貯蔵弾性率E’についても、下記基準に基づいて評価した。
○:貯蔵弾性率E’が1.0×105Pa以上
×:貯蔵弾性率E’が1.0×105Pa未満
作製したポリイミドフィルムを、幅10mm、長さ140mmにカットして、サンプルフィルムとした。サンプルフィルムを長さ方向にテンシロンにて、23℃において、速度50mm/分で幅10mm×長さ100mm部分を両端20mmの掴みシロを引っ張った。そして、(破断時のサンプルフィルムの長さ-サンプルフィルムの元の長さ)/(サンプルフィルムの元の長さ)を「引張破断時の伸び率」とした。そして、サンプルフィルムの引張破断時の伸び率を以下の基準で評価した。
○:引張破断時の伸び率が50%以上
×:引張破断時の伸び率が50%未満
また、上記サンプルフィルムの破断時の引張強度を、破断強度とした。
NMPとメシチレンとを7/3の比率で調整した溶媒中に、2種類の酸二無水物(s-BPDA、BTDA)と、3種類のジアミン(APB、14EL、XTJ-542)とを、s-BPDA:BTDA:APB:14EL:XTJ-542=0.39:0.6:0.8:0.1:0.1のモル比で配合した以外は、実施例1と同様にポリイミドワニスおよびポリイミドフィルムを作製し、評価した。
NMPとメシチレンとを7/3の比率で調整した溶媒中に、2種類の酸二無水物(s-BPDA、BTDA)と、3種類のジアミン(p-BAPP、14EL、XTJ-542)とを、s-BPDA:BTDA:p-BAPP:14EL:XTJ-542=0.78:0.2:0.8:0.1:0.1のモル比で配合した以外は、実施例1と同様にポリイミドワニスおよびポリイミドフィルムを作製し、評価した。
NMPとメシチレンとを7/3の比率で調整した溶媒中に、2種類の酸二無水物(s-BPDA、BTDA)と、3種類のジアミン(p-BAPP、14EL、XTJ-542)とを、s-BPDA:BTDA:p-BAPP:14EL:XTJ-542=0.59:0.4:0.7:0.1:0.2のモル比で配合した以外は実施例1と同様にしてポリイミドワニスおよびポリイミドフィルムを作製し、評価した。
NMPとメシチレンとを7/3の比率で調整した溶媒中に、2種類の酸二無水物(s-BPDA、BTDA)と、2種類のジアミン(APB、14EL)とを、s-BPDA:BTDA:APB:14EL=0.79:0.2:0.8:0.2のモル比で配合した以外は実施例1と同様にしてポリイミドワニスおよびポリイミドフィルムを作製し、評価した。
NMPとメシチレンとを7/3の比率で調整した溶媒中に、2種類の酸二無水物(s-BPDA、BTDA)と、2種類のジアミン(p-BAPP、XTJ-542)とを、s-BPDA:BTDA:pBAPP:XTJ-542=0.79:0.2:0.9:0.1のモル比で配合した以外は実施例1と同様にしてポリイミドワニスおよびポリイミドフィルムを作製し、評価した。
(実施例7)
NMPとメシチレンとを7/3の比率で調整した溶媒中に、2種類の酸二無水物(s-BPDA、BTDA)と、2種類のジアミン(p-BAPP、D-2000)とを、s-BPDA:BTDA:p-BAPP:D-2000=0.59:0.4:0.8:0.2のモル比で配合した以外は、実施例1と同様にポリイミドワニスおよびポリイミドフィルムを作製し、評価した。
NMPとメシチレンを7/3の比率で調整した溶媒中に、2種類の酸二無水物(s-BPDA、BTDA)と、4種類のジアミン(p-BAPP、m-BP、14EL、XTJ542)とを、s-BPDA:BTDA:p-BAPP:m-BP:14EL:XTJ542=0.79:0.2:0.2:0.6:0.1:0.1のモル比で配合した以外は、実施例1と同様にポリイミドワニス及びポリイミドフィルムを作製し、評価した。
1種類の酸二無水物(PMDA)と1種類のジアミン(APB)とをPMDA:APB=1.0:1.0のモル比で配合した以外は実施例1と同様にしてポリイミドワニスを作製した。しかしながら、ワニスの安定性が低く、フィルムを作製することができなかった。
1種類の酸二無水物(BTDA)と1種類のジアミン(APB)とを、BTDA:APB=1.0:1.0のモル比で配合した以外は実施例1と同様にしてポリイミドワニスを作製した。しかしながら、ワニスの安定性が低く、フィルムを作製することができなかった。
3種類の酸二無水物(s-BPDA、BTDA、ODPA)と、1種類のジアミン(APB)とを、s-BPDA:BTDA:ODPA:APB=0.68:0.2:0.1:1.0のモル比で配合した以外は実施例1と同様にしてポリイミドワニスおよびポリイミドフィルムを作製し、評価した。
1種類の酸二無水物(s-BPDA)と、4種類のジアミン(APB、14EL、XTJ-542、1-Si)とを、s-BPDA:APB:14EL:XTJ-542:1-Si=0.99:0.5:0.2:0.2:0.1のモル比で配合した以外は実施例1と同様にしてポリイミドワニスおよびポリイミドフィルムを作製し、評価した。
2種類の酸二無水物(s-BPDA、BTDA)と、2種類のジアミン(APB、1-Si)とを、s-BPDA:BTDA:APB:1-Si=0.79:0.2:0.85:0.15のモル比で配合した以外は実施例1と同様にしてポリイミドワニスおよびポリイミドフィルムを作製し、評価した。
NMPとメシチレンを7/3の比率で調整した溶媒中に、1種類の酸二無水物(s-BPDA)と、1種類のジアミン(m-BP)とを、s-BPDA:m-BP=1:1のモル比で配合した以外は、実施例1と同様にポリイミドワニスを作製した。しかしながら、ワニスの安定性が低く、フィルムを作製することができなかった。
12、22 基板
14、24 半導体チップ
16 シール層
20 COFパッケージ
26 アンダーフィル層
Claims (25)
- テトラカルボン酸二無水物とジアミンとの重縮合ユニットを含むポリイミドであって、
前記ポリイミドを構成するテトラカルボン酸二無水物が、下記一般式(1)で表されるベンゾフェノン骨格を有する芳香族テトラカルボン酸二無水物(α1)を含むか、または前記ポリイミドを構成するジアミンが、下記一般式(2)で表されるベンゾフェノン骨格を有する芳香族ジアミン(β1)を含み、
前記ポリイミドを構成するジアミンが、下記一般式(3)または(4)で表される脂肪族ジアミン(β2)を含み、
前記一般式(1)で表されるベンゾフェノン骨格を有する芳香族テトラカルボン酸二無水物(α1)と前記一般式(2)で表されるベンゾフェノン骨格を有する芳香族ジアミン(β1)との合計含有量が、前記ポリイミドを構成するテトラカルボン酸二無水物とジアミンの合計に対して5~49モル%であり、かつ
アミン当量が4000~20000であるポリイミド、を含む、ポリイミド樹脂組成物。
前記脂肪族鎖は、C、N、H、Oのいずれか一以上の原子からなる側鎖をさらに有してもよく、前記側鎖を構成する原子数の合計が10以下である)
前記脂肪族鎖は、C、N、H、Oのいずれか一以上の原子からなる側鎖をさらに有してもよく、前記側鎖を構成する原子数の合計が10以下である) - 前記ポリイミドを構成するテトラカルボン酸二無水物の合計モル数が、前記ポリイミドを構成するジアミンの合計モル数に対して0.95~0.999である、請求項1に記載のポリイミド樹脂組成物。
- 溶媒をさらに含み、前記ポリイミドが前記溶媒に溶解している、請求項1に記載のポリイミド樹脂組成物。
- 前記一般式(3)のR1および前記一般式(4)のR2は、
アルキレンオキシ基またはポリアルキレンオキシ基を含む主鎖を有する脂肪族鎖であって、
前記アルキレンオキシ基のアルキレン部分、および前記ポリアルキレンオキシ基を構成するアルキレンオキシユニットのアルキレン部分の炭素数が1~10である、請求項1に記載のポリイミド樹脂組成物。 - 前記一般式(3)または(4)で表される脂肪族ジアミン(β2)が、前記ポリイミドを構成するジアミンの合計に対して10モル%以上45%以下である、請求項1に記載のポリイミド樹脂組成物。
- 前記一般式(1)で表されるベンゾフェノン骨格を有する芳香族テトラカルボン酸二無水物(α1)は、3,3’,4,4’-ベンゾフェノンテトラカルボン酸二無水物および2,3,3’,4’-ベンゾフェノンテトラカルボン酸二無水物からなる群より選ばれる一以上であり、
前記一般式(2)で表されるベンゾフェノン骨格を有する芳香族ジアミン(β1)は、3,3’-ジアミノベンゾフェノン、3,4-ジアミノベンゾフェノンおよび4,4’-ジアミノベンゾフェノンからなる群より選ばれる一以上である、請求項1に記載のポリイミド樹脂組成物。 - 前記ポリイミドのガラス転移温度が120℃以上260℃未満である、請求項1に記載のポリイミド樹脂組成物。
- 無機フィラーをさらに含む、請求項1に記載のポリイミド樹脂組成物。
- 前記無機フィラーが、放熱性フィラーであり、
ポリイミド樹脂組成物の全体積に対する、前記放熱性フィラーの体積が20~60体積%である、請求項9に記載のポリイミド樹脂組成物。 - 前記無機フィラーが、導電性フィラー及び/または磁性フィラーであり、
ポリイミド樹脂組成物の全体積に対する、前記導電性フィラー及び前記磁性フィラーの合計体積が、20~90体積%である、請求項9に記載のポリイミド樹脂組成物。 - エポキシ化合物、アクリレート化合物、イソシアネート化合物、マレイミド化合物およびナジイミド化合物からなる群より選ばれる一以上の化合物をさらに含む、請求項1に記載のポリイミド樹脂組成物。
- 基材と、前記基材上に配置される請求項1~12のいずれか一項に記載のポリイミド樹脂組成物からなる樹脂層と、を有する積層体。
- 前記基材は、金属、セラミックまたは樹脂である、請求項13に記載の積層体。
- 請求項13に記載の積層体を有する、電子回路基板部材。
- 請求項13に記載の積層体を有する、半導体デバイス。
- 金属箔と、
前記金属箔上に配置され、活物質と請求項1~12のいずれか一項に記載のポリイミド樹脂組成物とを含む層とを有する、リチウムイオン電池用電極。 - 請求項1~12のいずれか一項に記載のポリイミド樹脂組成物を含む、リチウムイオン電池用セパレーター。
- 請求項10に記載のポリイミド樹脂組成物からなる、放熱基材。
- 請求項11に記載のポリイミド樹脂組成物からなる、電磁波シールド基材。
- 請求項1~12のいずれか一項に記載のポリイミド樹脂組成物を含む、サージ部品用接着剤。
- 請求項1~12のいずれか一項に記載のポリイミド樹脂組成物を含む、サージ部品用封止材。
- 請求項1~12のいずれか一項に記載のポリイミド樹脂組成物を含む、半導体製造装置接着剤。
- 請求項1~12のいずれか一項に記載のポリイミド樹脂組成物を含む、歯科材料。
- 極性溶媒に溶解可能なポリイミドを含むポリイミド樹脂組成物であって、
前記ポリイミド樹脂組成物からなる厚さ50μmのポリイミドフィルムは、下記条件a)及びb)を満たす、ポリイミド樹脂組成物。
a)180℃における、周波数1Hzでの貯蔵弾性率E’が1.0×105Pa以上である
b)23℃における、速度50mm/分での引張破断時の伸び率が50%以上である
Priority Applications (6)
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CN201280003257.1A CN103298855B (zh) | 2011-07-08 | 2012-07-06 | 聚酰亚胺树脂组合物及含有其的叠层体 |
SG2013024799A SG189246A1 (en) | 2011-07-08 | 2012-07-06 | Polyimide resin composition and laminate including same |
EP12812064.9A EP2612879A4 (en) | 2011-07-08 | 2012-07-06 | POLYIMIDE RESIN COMPOSITION AND LAMINATE THEREWITH |
JP2012553106A JP5735989B2 (ja) | 2011-07-08 | 2012-07-06 | ポリイミド樹脂組成物およびそれを含む積層体 |
KR1020137009348A KR101503189B1 (ko) | 2011-07-08 | 2012-07-06 | 폴리이미드 수지 조성물 및 그것을 포함하는 적층체 |
US13/880,509 US20130288120A1 (en) | 2011-07-08 | 2012-07-06 | Polyimide resin composition and laminate including polyimide resin composition |
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EP (1) | EP2612879A4 (ja) |
JP (1) | JP5735989B2 (ja) |
KR (1) | KR101503189B1 (ja) |
CN (1) | CN103298855B (ja) |
SG (1) | SG189246A1 (ja) |
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CN103298855B (zh) | 2015-09-02 |
TWI554548B (zh) | 2016-10-21 |
JP5735989B2 (ja) | 2015-06-17 |
KR20130059434A (ko) | 2013-06-05 |
US20130288120A1 (en) | 2013-10-31 |
EP2612879A4 (en) | 2015-04-01 |
KR101503189B1 (ko) | 2015-03-16 |
TW201302862A (zh) | 2013-01-16 |
JPWO2013008437A1 (ja) | 2015-02-23 |
CN103298855A (zh) | 2013-09-11 |
SG189246A1 (en) | 2013-05-31 |
EP2612879A1 (en) | 2013-07-10 |
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