CN106609031A - 一种聚苯醚树脂组合物以及含有它的预浸料、层压板和印制电路板 - Google Patents
一种聚苯醚树脂组合物以及含有它的预浸料、层压板和印制电路板 Download PDFInfo
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- CN106609031A CN106609031A CN201510701719.2A CN201510701719A CN106609031A CN 106609031 A CN106609031 A CN 106609031A CN 201510701719 A CN201510701719 A CN 201510701719A CN 106609031 A CN106609031 A CN 106609031A
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- Prior art keywords
- weight
- tetrafunctional
- polyphenylene oxide
- acrylate
- resin composition
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- 239000011342 resin composition Substances 0.000 title claims abstract description 28
- 229920001955 polyphenylene ether Polymers 0.000 title abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 80
- 239000011347 resin Substances 0.000 claims abstract description 80
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 51
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 40
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 93
- 229920006380 polyphenylene oxide Polymers 0.000 claims description 93
- 239000003999 initiator Substances 0.000 claims description 32
- 229920013636 polyphenyl ether polymer Polymers 0.000 claims description 31
- 229920006387 Vinylite Polymers 0.000 claims description 29
- 239000003063 flame retardant Substances 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- 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 group 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 claims description 15
- 239000005062 Polybutadiene Substances 0.000 claims description 15
- 229920002857 polybutadiene Polymers 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 10
- -1 neodecanoic acid Ester Chemical class 0.000 claims description 10
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 claims description 7
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 6
- 125000005843 halogen group Chemical group 0.000 claims description 6
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 claims description 4
- ZKEUVTROUPQVTM-UHFFFAOYSA-N 1-pentylperoxypentane Chemical group CCCCCOOCCCCC ZKEUVTROUPQVTM-UHFFFAOYSA-N 0.000 claims description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 4
- 239000011256 inorganic filler Substances 0.000 claims description 4
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 4
- 239000012766 organic filler Substances 0.000 claims description 4
- 150000002978 peroxides Chemical class 0.000 claims description 4
- IUGYQRQAERSCNH-UHFFFAOYSA-N pivalic acid Chemical compound CC(C)(C)C(O)=O IUGYQRQAERSCNH-UHFFFAOYSA-N 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 3
- 239000012779 reinforcing material Substances 0.000 claims description 3
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical group C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 2
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 claims description 2
- BIISIZOQPWZPPS-UHFFFAOYSA-N 2-tert-butylperoxypropan-2-ylbenzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=CC=C1 BIISIZOQPWZPPS-UHFFFAOYSA-N 0.000 claims description 2
- 229910017083 AlN Inorganic materials 0.000 claims description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052582 BN Inorganic materials 0.000 claims description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 2
- OKJADYKTJJGKDX-UHFFFAOYSA-N Butyl pentanoate Chemical compound CCCCOC(=O)CCCC OKJADYKTJJGKDX-UHFFFAOYSA-N 0.000 claims description 2
- ODKXGEBKLRHKGQ-UHFFFAOYSA-N C(C)(C)(C)OO.C(O)(O)=O Chemical compound C(C)(C)(C)OO.C(O)(O)=O ODKXGEBKLRHKGQ-UHFFFAOYSA-N 0.000 claims description 2
- MUPIEMDDBGZNRU-UHFFFAOYSA-N C(C)(C)C(=O)O.C(C)(C)(C)OO Chemical compound C(C)(C)C(=O)O.C(C)(C)(C)OO MUPIEMDDBGZNRU-UHFFFAOYSA-N 0.000 claims description 2
- 239000004695 Polyether sulfone Substances 0.000 claims description 2
- 239000004697 Polyetherimide Substances 0.000 claims description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 229910002113 barium titanate Inorganic materials 0.000 claims description 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims description 2
- 239000001273 butane Substances 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 235000012241 calcium silicate Nutrition 0.000 claims description 2
- 238000003763 carbonization Methods 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 238000007334 copolymerization reaction Methods 0.000 claims description 2
- YQHLDYVWEZKEOX-UHFFFAOYSA-N cumene hydroperoxide Chemical compound OOC(C)(C)C1=CC=CC=C1 YQHLDYVWEZKEOX-UHFFFAOYSA-N 0.000 claims description 2
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 2
- 239000005350 fused silica glass Substances 0.000 claims description 2
- 238000005470 impregnation Methods 0.000 claims description 2
- 125000000400 lauroyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 2
- QPHJACNABSHDHC-UHFFFAOYSA-N octyl nitrite Chemical class CCCCCCCCON=O QPHJACNABSHDHC-UHFFFAOYSA-N 0.000 claims description 2
- 150000001451 organic peroxides Chemical group 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 2
- 125000005634 peroxydicarbonate group Chemical group 0.000 claims description 2
- 229920006393 polyether sulfone Polymers 0.000 claims description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 229910052712 strontium Inorganic materials 0.000 claims description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 2
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 claims description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 2
- XSHWKULGRFTYIT-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1C=C XSHWKULGRFTYIT-UHFFFAOYSA-N 0.000 claims 1
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 claims 1
- 229910004298 SiO 2 Inorganic materials 0.000 claims 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims 1
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 claims 1
- 239000000454 talc Substances 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
- 235000012222 talc Nutrition 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 abstract description 11
- 239000000758 substrate Substances 0.000 abstract description 10
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract description 8
- 229920002554 vinyl polymer Polymers 0.000 abstract description 8
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- 229920001187 thermosetting polymer Polymers 0.000 abstract description 7
- 125000000524 functional group Chemical group 0.000 abstract description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 150
- 239000000463 material Substances 0.000 description 44
- 238000006243 chemical reaction Methods 0.000 description 37
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- NXXYKOUNUYWIHA-UHFFFAOYSA-N 2,6-Dimethylphenol Chemical compound CC1=CC=CC(C)=C1O NXXYKOUNUYWIHA-UHFFFAOYSA-N 0.000 description 12
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 12
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- DYIZJUDNMOIZQO-UHFFFAOYSA-N 4,5,6,7-tetrabromo-2-[2-(4,5,6,7-tetrabromo-1,3-dioxoisoindol-2-yl)ethyl]isoindole-1,3-dione Chemical compound O=C1C(C(=C(Br)C(Br)=C2Br)Br)=C2C(=O)N1CCN1C(=O)C2=C(Br)C(Br)=C(Br)C(Br)=C2C1=O DYIZJUDNMOIZQO-UHFFFAOYSA-N 0.000 description 6
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- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
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- AGEBQUJUTHSUKI-UHFFFAOYSA-N dichloromethane prop-2-enoyl chloride Chemical compound ClCCl.ClC(=O)C=C AGEBQUJUTHSUKI-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明涉及一种聚苯醚树脂组合物以及含有它的预浸料和层压板。所述聚苯醚树脂组合物包括如下组分:(1)四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂;(2)乙烯基树脂交联剂,以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂的重量为100重量份计,乙烯基树脂交联剂的重量为40-100重量份。由于改性热固性聚苯醚树脂含有四官能或四官能以上的丙烯酸酯活性基团,从而能够交联更多的乙烯基树脂交联剂,所制备的高速电子电路基材不但具有低的介质常数和介质损耗,而且乙烯基树脂交联剂侧链双键在树脂固化体系中反应完全,使高速电子电路基材具有更好的抗热氧老化性能。
Description
技术领域
本发明属于覆铜板技术领域,具体涉及一种聚苯醚树脂组合物以及含有它的预浸料、层压板和印制电路板。
背景技术
近年来,随着电子信息技术的发展,电子设备安装的小型化、高密度化,信息的大容量化、传输信号的高频高速化,应用于高端的通讯网络硬件设备如路由器、交换机、服务器等所采用的电子电路板传输线路越来越长,要求电子电路基材具有更低的介质常数和更低的介质损耗。
对于高速电子电路基材,在长期的使用过程中,保持基材的介质常数和介质损耗的稳定性,对基材的特性阻抗的变化以及信号完整性产生重大影响。介质常数和介质损耗的稳定性包含三个方面的内容:介质常数和介质损耗的温飘、湿飘和抗热氧老化性能。
对于热氧老化性能,在基材树脂固化体系中,树脂在长期的使用过程中,会发生热氧老化,基材的介质常数和介质损耗都会升高,从而影响其稳定性,最终使基材的信号完整性能恶化。因此,基材树脂固化体系良好的抗热氧老化性能是高速电子电路基材的重要性能要求。
丙烯酸酯基改性热固性聚苯醚树脂分子结构中含有大量的苯环结构,且无强极性基团,赋予了聚苯醚树脂优异的性能,如玻璃化转变温度高、尺寸稳定性好、热膨胀系数小、吸水率低,尤其是出色的低介质常数、低介电损耗,成为制备高速电路基板的理想树脂材料。
乙烯基树脂交联剂如丁二烯苯乙烯共聚物分子链结构中不含极性基团,具有优异的低介质常数、低介电损耗,通常作为交联剂,用于制备高速电路基板。
CN103965606A公开了一种低介电材料:包括:40~80重量份的聚苯醚;5~30重量份的双马来酰亚胺;5~30重量份的高分子添加剂。该发明所采用的聚苯醚为双官能的丙烯酸酯基改性热固性聚苯醚树脂,高分子添加剂包含碳氢树脂如聚丁二烯、丁苯共聚物,可用于制备高速电子电路基材。
CN102807658A公开了一组聚苯醚树脂组合物:包括:官能化聚苯醚;交联固化剂;引发剂。该发明所采用的聚苯醚为双官能的丙烯酸酯基改性热固性聚苯醚树脂,交联固化剂包含碳氢树脂如聚丁二烯、丁苯共聚物,可用于制备高速电子电路基材。
CN101589109A公开了一组聚苯醚树脂组合物:包括:官能化聚(亚芳基醚);乙烯基热固性树脂;阻燃剂组合物。该发明所采用的聚苯醚为双官能的丙烯酸酯基改性热固性聚苯醚树脂,乙烯基热固性树脂如聚丁二烯、丁苯共聚物,可用于制备高速电子电路基材。
以上现有技术存在以下问题:为了获得更低的介质常数、更低的介电损耗,需要提高乙烯基树脂交联剂如聚丁二烯的使用比例。虽然所制备的基材具有更低的低介质常数、更低的介电损耗,但是双官能丙烯酸酯基改性热固性聚苯醚树脂所带的丙烯酸酯基团有限,不能使过量的乙烯基树脂交联剂如聚丁二烯侧链双键反应完全。没有反应完全的乙烯基树脂交联剂如聚丁二烯侧链双键抗热氧老化性能差,从而严重影响基材的介质常数和介质损耗在长期使用过程中的稳定性,进而使基材的信号完整性能恶化,不能满足客户的需求。
发明内容
根据已有技术中存在的问题,本发明的目的在于提供一种聚苯醚树脂组合物,采用该聚苯醚树脂组合物得到的高速电子电路基材(覆铜箔层压板),既具有低的介质常数和介质损耗,同时又具有良好的抗热氧老化性能,使基材的介质常数和介质损耗在长期使用过程中保持稳定。
为了实现上述目的,本发明采用了如下技术方案:
一种聚苯醚树脂组合物,其包括:
(1)四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂;
(2)乙烯基树脂交联剂,以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂的重量为100重量份计,乙烯基树脂交联剂的重量为40-100重量份;
其中,四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂具有式(1)所示结构:
式(1)中,R1、R2、R3和R4相同或者不同,均独立地为氢原子、卤原子、取代或未取代的C1~C8(例如C2、C3、C4、C5、C6、C7或C8)的烷基或者取代或未取代的芳基。
a和c均独立地为1~15的整数,b为2~10的整数,优选4-6的整数。
所述a例如为2、3、4、5、6、7、8、9、10、11、12、13或14,所述c例如为2、3、4、5、6、7、8、9、10、11、12、13或14,所述b例如为2、3、4、5、6、7、8或9。
Z具有式(2)所示的结构:
式(2)中,R5、R6和R7相同或者不同,均独立地为氢原子或者取代或未取代的C1~C10(例如C2、C3、C4、C5、C6、C7、C8或C9)的烷基。
X具有式(3)、式(4)、式(5)或式(6)所示的结构:
R8、R9、R10、R11、R12、R13、R14、R15、R16、R17、R18、R19、R20、R21、R22、R23、R24、R25、R26、和R27相同或者不同,均独立地为氢原子,卤原子、取代或未取代的C1~C8(例如C2、C3、C4、C5、C6、C7或C8)的烷基或者取代或未取代的芳基;n为1~10的整数,例如2、3、4、5、6、7、8、9或10;B为亚烃基、-O-、-CO-、-SO-、-SC-、-SO2-或-C(CH3)2-。
Y具有式(7)或式(8)的结构:
R28、R29、R30、R31、R32、R33和R34相同或者不同,均独立地为氢原子,卤原子、取代或未取代的C1~C8(例如C2、C3、C4、C5、C6、C7或C8)的烷基或者取代或未取代的芳基,B以及Z的选择同上。
在本发明中,由于改性热固性聚苯醚树脂含有四官能或四官能以上的(甲基)丙烯酸酯活性基团,从而能够交联更多的乙烯基树脂交联剂,所制备的高速电子电路基材不但具有低的介质常数和介质损耗,而且乙烯基树脂交联剂侧链双键在树脂固化体系中反应完全,使高速电子电路基材具有更好的抗热氧老化性能,基材介质常数和介质损耗在长期使用过程中的稳定性好。本发明通过特定官能度的丙烯酸酯基改性热固性聚苯醚树脂以及特定的乙烯基树脂交联剂的添加量之间的配合关系,同时实现了低的介质常数和介质损耗以及优异的抗热氧老化性能。
另外,在本发明中,四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂所含的活性基团丙烯酸酯基全部接枝在苯氧基,苯氧基的热氧老化性能优于仲碳原子或叔碳原子结构的脂肪链,因此其所制备的高速电子电路基材热氧老化性能优于活性基团丙烯酸酯基全部接枝在脂肪链如仲碳原子或叔碳原子上的多官能的丙烯酸酯基改性热固性聚苯醚树脂,进而其所制备的高速电子电路基材介质常数和介质损耗在长期使用过程中的稳定性更好。
而且,本发明通过选择b值为2~10,还克服了官能度过高则聚苯醚分子量大,使其不易溶解,即使溶解胶水粘度大的困难。
所述乙烯基树脂交联剂的重量例如为45重量份、50重量份、55重量份、60重量份、65重量份、70重量份、75重量份、80重量份、85重量份、90重量份或95重量份,优选地,以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂的重量为100重量份计,乙烯基树脂交联剂的重量为50-80重量份。
优选地,所述四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂的数均分子量为500-10000g/mol,优选800~8000g/mol,进一步优选1000~4000g/mol。
优选地,乙烯基树脂交联剂选自苯乙烯-丁二烯共聚物、聚丁二烯或苯乙烯-丁二烯-二乙烯基苯共聚物中的任意一种或者至少两种的混合物。
优选地,所述苯乙烯-丁二烯共聚物、聚丁二烯或苯乙烯-丁二烯-二乙烯基苯共聚物均独立地经过氨基改性、马来酸酐改性、环氧基改性、丙烯酸酯改性、羟基改性或羧基改性。即,所述乙烯基树脂交联剂选自氨基改性的、马来酸酐改性的、环氧基改性的、丙烯酸酯改性的、羟基改性的、羧基改性的苯乙烯-丁二烯共聚物、聚丁二烯或苯乙烯-丁二烯-二乙烯基苯共聚物中的任意一种或者至少两种的混合物。
示范例的乙烯基树脂交联剂如Samtomer的苯乙烯-丁二烯共聚物Ricon100,日本曹达的聚丁二烯B-1000。
优选地,所述聚苯醚树脂组合物还包括引发剂,所述引发剂为自由基引发剂。
优选地,所述自由基引发剂选自有机过氧化物引发剂,进一步优选自过氧化二月桂酰、过氧化二苯甲酰、过氧化新癸酸异丙苯酯、过氧化新癸酸叔丁酯、过氧化特戊酸特戊酯、过氧化特戊酸叔丁酯、叔丁基过氧化异丁酸酯、叔丁基过氧化-3,5,5-三甲基己酸酯、过氧化乙酸叔丁酯、过氧化苯甲酸叔丁酯、1,1-二叔丁基过氧化-3,5,5-三甲基环己烷、1,1-二叔丁基过氧化环己烷、2,2-二(叔丁基过氧化)丁烷、双(4-叔丁基环己基)过氧化二碳酸酯、过氧化二碳酸酯十六酯、过氧化二碳酸酯十四酯、二特戊基过氧化物、二异丙苯过氧化物、双(叔丁基过氧化异丙基)苯、2,5-二甲基-2,5-二叔丁基过氧化己烷、2,5-二甲基-2,5-二叔丁基过氧化己炔、二异丙苯过氧化氢、异丙苯过氧化氢、特戊基过氧化氢、叔丁基过氧化氢、叔丁基过氧化异丙苯、二异丙苯过氧化氢、过氧化碳酸酯-2-乙基己酸叔丁酯、叔丁基过氧化碳酸-2-乙基己酯、4,4-二(叔丁基过氧化)戊酸正丁酯、过氧化甲乙酮或过氧化环己烷中的任意一种或者至少两种的混合物。
优选地,以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂与乙烯基树脂交联剂的重量之和为100重量份计,引发剂的重量为1~3重量份,例如1.2重量份、1.4重量份、1.6重量份、1.8重量份、2.0重量份、2.2重量份、2.4重量份、2.6重量份或2.8重量份。
优选地,所述聚苯醚树脂组合物还包括阻燃剂。
优选地,所述阻燃剂为含溴阻燃剂或/和含磷阻燃剂。
优选地,以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂、乙烯基树脂交联剂和引发剂的重量之和为100重量份计,阻燃剂的重量为0-40重量份,例如0.5重量份、4重量份、8重量份、12重量份、16重量份、20重量份、24重量份、28重量份、32重量份或36重量份。
优选地,所述聚苯醚树脂组合物还包括粉末填料。
优选地,粉末填料为有机填料和/或无机填料。
优选地,所述无机填料选自结晶型二氧化硅、熔融二氧化硅、球形二氧化硅、空心二氧化硅、玻璃粉、氮化铝、氮化硼、碳化硅、碳化硅铝、氢氧化铝、氢氧化镁、二氧化钛、钛酸锶、钛酸钡、氧化锌、氧化锆、氧化铝、氧化铍、氧化镁、硫酸钡、滑石粉、粘土、硅酸钙、碳酸钙或云母中的任意一种或者至少两种的混合物。
优选地,所述有机填料选自聚四氟乙烯粉末、聚苯硫醚、聚醚酰亚胺、聚苯醚或聚醚砜粉末中的任意一种或者至少两种的混合物。
优选地,以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂、乙烯基树脂交联剂、引发剂和阻燃剂的重量之和为100重量份计,粉末填料的重量为0-150重量份,例如5重量份、10重量份、20重量份、30重量份、40重量份、50重量份、60重量份、70重量份、80重量份、90重量份、100重量份、110重量份、120重量份、130重量份或140重量份。
本发明所述的“包括”,意指其除所述组份外,还可以包括其他组份,这些其他组份赋予所述聚苯醚树脂组合物不同的特性。除此之外,本发明所述的“包括”,还可以替换为封闭式的“为”或“由……组成”。
例如,所述聚苯醚树脂组合物还可以含有各种添加剂,作为具体例,可以举出偶联剂、抗氧剂、热稳定剂、抗静电剂、紫外线吸收剂、颜料、着色剂或润滑剂等。这些各种添加剂可以单独使用,也可以两种或者两种以上混合使用。
本发明的另一目的在于提供一种用聚苯醚树脂组合物制成的预浸料,其包括增强材料及通过含浸干燥后附着其上的如上所述的聚苯醚树脂组合物。
本发明的另一目的在于提供一种层压板,其包括至少一张如上所述的预浸料。
本发明的又一目的在于提供一种用聚苯醚树脂组合物制成的覆铜箔层压板,其含有至少一张如上所述的预浸料以及覆于叠合后的预浸料一侧或两侧的金属箔。
本发明的又一目的在于提供一种印制电路板,其包括至少一张如上所述的预浸料。
示例性的高速电子电路基材,即覆铜箔层压板的制备方法,包括以下步骤:
(1)称取树脂组合物原料:以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂的重量为100重量份计,乙烯基交联剂树脂的重量为40-100重量份;以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂与乙烯基树脂交联剂的重量之和为100重量份计,引发剂的重量为1-3重量份;以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂、乙烯基树脂交联剂和引发剂的重量之和为100重量份计,阻燃剂的重量为0-40重量份;以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂、乙烯基树脂交联剂、引发剂和阻燃剂的重量之和为100重量份计,粉末填料的重量为0-150重量份;
(2)将四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂、乙烯基树脂交联剂、引发剂、粉末填料和阻燃剂混合,并加入适量溶剂,搅拌分散均匀,使粉末填料和阻燃剂均匀分散在胶液中。用制备的胶液浸润增强材料如玻纤布,并在合适温度的烘箱中烘片一定的时间,除去溶剂而形成预浸料;
(3)将至少一张预浸料整齐重叠,上下配以铜箔,在压机中层压固化,从而得到高速电子电路基材,即覆铜箔层压板。
与已有技术相比,本发明具有如下有益效果:
在本发明中,由于改性热固性聚苯醚树脂含有四官能或四官能以上的(甲基)丙烯酸酯活性基团,从而能够交联更多的乙烯基树脂交联剂,所制备的高速电子电路基材不但具有低的介质常数和介质损耗,而且乙烯基树脂交联剂侧链双键在树脂固化体系中反应完全,使高速电子电路基材具有更好的抗热氧老化性能,基材介质常数和介质损耗在长期使用过程中的稳定性好。本发明通过特定官能度的丙烯酸酯基改性热固性聚苯醚树脂以及特定的乙烯基树脂交联剂的添加量之间的配合关系,同时实现了低的介质常数(10GHz,≤3.8)和介质损耗(10GHz,≤0.0052)以及优异的抗热氧老化性能(抗热老化性能150℃/56dayDk变化绝对值≤0.3,抗热老化性能150℃/56day Df变化绝对值≤0.004)。
另外,在本发明中,四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂所含的活性基团丙烯酸酯基全部接枝在苯氧基,苯氧基的热氧老化性能优于仲碳原子或叔碳原子结构的脂肪链,因此其所制备的高速电子电路基材热氧老化性能优于活性基团丙烯酸酯基全部接枝在脂肪链如仲碳原子或叔碳原子上的多官能的丙烯酸酯基改性热固性聚苯醚树脂,进而其所制备的高速电子电路基材介质常数和介质损耗在长期使用过程中的稳定性更好。
具体实施方式
下面通过具体实施方式来进一步说明本发明的技术方案。
四官能甲基丙烯酸甲酯基改性热固性聚苯醚PPO-1的合成:
将甲基酚32.4g,2,6-二甲基酚24.4g,甲醛水溶液(甲醛含量为(24wt%)50.0g,盐酸水溶液(HCL含量为32wt%)1.0g加入装有机械搅拌,冷凝管的四口反应瓶中,加热至80-90℃。反应6h后水洗三次,减压蒸馏除去水分。冷却至50℃加入聚苯醚125g(数均分子量=2500)、甲苯300g,加热至80~90℃,分批加入过氧化苯甲酰2g,反应8h后水洗三次,减压蒸馏脱去甲苯和水,GPC检测聚苯醚的数均分子量为1540。将得到的聚苯醚溶于甲苯溶液中(聚苯醚含量为40wt%),加入催化剂4-二甲基氨基吡啶5.0g。待催化剂溶解后,加入甲基丙烯酸酐77g(0.5mol),温度控制在80~85℃,反应2h后减压蒸馏脱去甲苯,GPC测试所得到的多官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-1数均分子量为1900。
四官能甲基丙烯酸甲酯基改性热固性聚苯醚PPO-2的合成:
将甲基酚32.4g,2,6-二甲基酚24.4g,甲醛水溶液(甲醛含量为(24wt%)50.0g,盐酸水溶液(HCL含量为32wt%)1.0g加入装有机械搅拌,冷凝管的四口反应瓶中,加热至80-90℃。反应6h后水洗三次,减压蒸馏除去水分。冷却至50℃加入聚苯醚125g(数均分子量=10000)、甲苯300g,加热至80~90℃,分批加入过氧化苯甲酰2g,反应8h后水洗三次,减压蒸馏脱去甲苯和水,GPC检测聚苯醚的数均分子量为7000。将得到的聚苯醚溶于甲苯溶液中(聚苯醚含量为40wt%),加入催化剂4-二甲基氨基吡啶5.0g。待催化剂溶解后,加入甲基丙烯酸酐77g(0.5mol),温度控制在80~85℃,反应2h后减压蒸馏脱去甲苯,GPC测试所得到的多官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-2数均分子量为7500。
四官能甲基丙烯酸甲酯基改性热固性聚苯醚PPO-3的合成:
将甲基酚32.4g,2,6-二甲基酚24.4g,甲醛水溶液(甲醛含量为(24wt%)50.0g,盐酸水溶液(HCL含量为32wt%)1.0g加入装有机械搅拌,冷凝管的四口反应瓶中,加热至80-90℃。反应6h后水洗三次,减压蒸馏除去水分。冷却至50℃加入聚苯醚125g(数均分子量=15000)、甲苯300g,加热至80~90℃,分批加入过氧化苯甲酰2g,反应8h后水洗三次,减压蒸馏脱去甲苯和水,GPC检测聚苯醚的数均分子量为10000。将得到的聚苯醚溶于甲苯溶液中(聚苯醚含量为40wt%),加入催化剂4-二甲基氨基吡啶5.0g。待催化剂溶解后,加入甲基丙烯酸酐77g(0.5mol),温度控制在80~85℃,反应2h后减压蒸馏脱去甲苯,GPC测试所得到的多官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-3数均分子量为10600。
六官能甲基丙烯酸甲酯基改性热固性聚苯醚PPO-4的合成:
将甲基酚64.8g,2,6-二甲基酚24.4g,甲醛水溶液(甲醛含量为(24wt%)100.0g,盐酸水溶液(HCL含量为32wt%)1.0g加入装有机械搅拌,冷凝管的四口反应瓶中,加热至80-90℃。反应6h后水洗三次,减压蒸馏除去水分。冷却至50℃加入聚苯醚125g(数均分子量=2500)、甲苯300g,加热至80~90℃,分批加入过氧化苯甲酰2g,反应8h后水洗三次,减压蒸馏脱去甲苯和水,GPC检测聚苯醚的数均分子量为1700。将得到的聚苯醚溶于甲苯溶液中(聚苯醚含量为40wt%),加入催化剂4-二甲基氨基吡啶5.0g。待催化剂溶解后,加入甲基丙烯酸酐154g(1.0mol),温度控制在80~85℃,反应2h后减压蒸馏脱去甲苯,GPC测试所得到的多官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-4数均分子量为2100。
十官能甲基丙烯酸甲酯基改性热固性聚苯醚PPO-5的合成:
将甲基酚129.6g,2,6-二甲基酚24.4g,甲醛水溶液(甲醛含量为(24wt%)200.0g,盐酸水溶液(HCL含量为32wt%)1.0g加入装有机械搅拌,冷凝管的四口反应瓶中,加热至80-90℃。反应6h后水洗三次,减压蒸馏除去水分。冷却至50℃加入聚苯醚125g(数均分子量=2500)、甲苯300g,加热至80~90℃,分批加入过氧化苯甲酰2g,反应8h后水洗三次,减压蒸馏脱去甲苯和水,GPC检测聚苯醚的数均分子量为2200。将得到的聚苯醚溶于甲苯溶液中(聚苯醚含量为40wt%),加入催化剂4-二甲基氨基吡啶5.0g。待催化剂溶解后,加入甲基丙烯酸酐308g(2.0mol),温度控制在80~85℃,反应2h后减压蒸馏脱去甲苯,GPC测试所得到的多官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-5数均分子量为2700。
十四官能甲基丙烯酸甲酯基改性热固性聚苯醚PPO-6的合成:
将甲基酚194.4g,2,6-二甲基酚24.4g,甲醛水溶液(甲醛含量为(24wt%)300.0g,盐酸水溶液(HCL含量为32wt%)1.0g加入装有机械搅拌,冷凝管的四口反应瓶中,加热至80-90℃。反应6h后水洗三次,减压蒸馏除去水分。冷却至50℃加入聚苯醚125g(数均分子量=2500)、甲苯300g,加热至80~90℃,分批加入过氧化苯甲酰2g,反应8h后水洗三次,减压蒸馏脱去甲苯和水,GPC检测聚苯醚的数均分子量为2800。将得到的聚苯醚溶于甲苯溶液中(聚苯醚含量为40wt%),加入催化剂4-二甲基氨基吡啶5.0g。待催化剂溶解后,加入甲基丙烯酸酐462g(3.0mol),温度控制在80~85℃,反应2h后减压蒸馏脱去甲苯,GPC测试所得到的多官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-6数均分子量为3200。
六官能甲基丙烯酸甲酯基改性热固性聚苯醚PPO-7的合成:
将装有机械搅拌,冷凝管的四口反应瓶,加热至100℃。加入300g聚苯醚(数均分子量为1100)以及1168g环氧氯丙烷。将34.4g乙氧化钠溶解于120g乙醇中,然后于60min内滴加至反应瓶中。搅拌反应5小时后,将产物用纯水洗涤,除去盐等杂质。然后采用减压蒸馏除去多余的环氧氯丙烷。干燥后得到330g数均分子量为1210的环氧化改性聚苯醚。
在装有机械搅拌、冷凝管的四口反应瓶加入330g的环氧化改性聚苯醚、32g的甲基丙烯酸、160g的甲苯、1.0g的三乙胺及1mg的氢醌甲基醚。加热至120℃,边搅拌反应边测试酸值,反应至溶液酸值为2毫克KOH/g为止。将反应得到的溶液滴加到甲醇溶液中析出,过滤得到固体产物,将产物减压干燥,从而得到250g的数均分子量为1700的环氧甲基丙烯酸酯化改性聚苯醚。
在装有机械搅拌、冷凝管的四口反应瓶加入250g的环氧甲基丙烯酸酯化改性聚苯醚,54g三乙胺,4000g二氯甲烷,将反应平冷却至0℃,将49g甲基丙烯酰氯溶解于1000g二氯甲烷中,然后于60min内滴加至反应瓶中,然后将反应温度升至室温,搅拌反应2h。用纯水进行洗涤,将有机层滴加至甲醇溶液中析出。将沉淀物减压干燥,得到200g六官能甲基丙烯酸酯基改性的热固性聚苯醚PPO-7,数均分子量为2000。
PPO-7的分子结构式如下式(8)所示:
X具有式(9)所示的结构:
Y具有式(10)所示的结构:
本发明实施例制备高速电子电路基材所选取的原料如下表所示:
表1
实施例1
将50g重量份的四官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-1、20g重量份的苯乙烯-丁二烯共聚物Ricon100、1.5重量份的固化引发剂DCP,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。物理性能如表2所示。
实施例2
将50g重量份的四官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-1、30g重量份的苯乙烯-丁二烯共聚物Ricon100、1.5重量份的固化引发剂DCP,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。物理性能如表2所示。
实施例3
将50g重量份的四官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-1、50g重量份的苯乙烯-丁二烯共聚物Ricon100、1.5重量份的固化引发剂DCP,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。物理性能如表2所示。
实施例4
将50g重量份的四官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-1、30g重量份的苯乙烯-丁二烯共聚物Ricon100、1.5重量份的固化引发剂DCP、15.0g重量份的含溴阻燃剂BT-93W、25.0g熔融硅微粉525,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。物理性能如表2所示。
实施例5
将50g重量份的四官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-2、30g重量份的苯乙烯-丁二烯共聚物Ricon100、1.5重量份的固化引发剂DCP、15.0g重量份的含溴阻燃剂BT-93W、25.0g熔融硅微粉525,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。由于PPO-2分子量较大,胶水粘度较大,一定程度上影响粘结片的浸润性。物理性能如表2所示。
实施例6
将50g重量份的四官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-3、30g重量份的苯乙烯-丁二烯共聚物Ricon100、1.5重量份的固化引发剂DCP、15.0g重量份的含溴阻燃剂BT-93W、25.0g熔融硅微粉525,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。由于PPO-3分子量大,胶水粘度大,一定程度上影响粘结片的浸润性。物理性能如表2所示。
实施例7
将50g重量份的四官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-1、30g重量份的苯乙烯-丁二烯共聚物Ricon100、1.5重量份的固化引发剂DCP、15.0g重量份的含磷阻燃剂XP-7866、25.0g熔融硅微粉525,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。物理性能如表3所示。
实施例8
将50g重量份的六官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-4、30g重量份的苯乙烯-丁二烯共聚物Ricon100、1.5重量份的固化引发剂DCP、15.0g重量份的含磷阻燃剂XP-7866、25.0g熔融硅微粉525,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。物理性能如表3所示。
实施例9
将50g重量份的十官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-5、30g重量份的苯乙烯-丁二烯共聚物Ricon100、1.5重量份的固化引发剂DCP、15.0g重量份的含磷阻燃剂XP-7866、25.0g熔融硅微粉525,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。物理性能如表3所示。
实施例10
将50g重量份的十四官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-6、30g重量份的苯乙烯-丁二烯共聚物Ricon100、1.5重量份的固化引发剂DCP、15.0g重量份的含溴阻燃剂BT-93W、25.0g熔融硅微粉525,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。物理性能如表3所示。
实施例11
将50g重量份的四官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-1、30g重量份的聚丁二烯B-1000、1.5重量份的固化引发剂BPO、15.0g重量份的含磷阻燃剂XP-7866、25.0g熔融硅微粉525,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。物理性能如表3所示。
比较例1
将50g重量份的六官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂PPO-7、30g重量份的苯乙烯-丁二烯共聚物Ricon100、1.5重量份的固化引发剂DCP,15.0g重量份的含磷阻燃剂XP-7866、25.0g熔融硅微粉525,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。物理性能如表4所示。
比较例2
将50g重量份的两官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂SA9000、30g重量份的苯乙烯-丁二烯共聚物Ricon100、1.5重量份的固化引发剂DCP,15.0g重量份的含溴阻燃剂BT-93W、25.0g熔融硅微粉525,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。物理性能如表4所示。
比较例3
将50g重量份的两官能甲基丙烯酸甲酯基改性热固性聚苯醚树脂SA9000、10g重量份的苯乙烯-丁二烯共聚物Ricon100、1.5重量份的固化引发剂DCP,15.0g重量份的含溴阻燃剂BT-93W、25.0g熔融硅微粉525,溶解于甲苯溶剂中,并调节至适合粘度。用2116玻纤布浸润胶水,过夹轴控制适合单重,并在烘箱中烘片,除去甲苯溶剂,制得2116粘结片。将4张2116粘结片重叠,上下两面配以1OZ厚度的铜箔,在压机中真空层压固化90min,固化压力50Kg/cm2,固化温度200℃,制得高速电子电路基材。物理性能如表4所示。
表2
表3
表4
比较例1与实施例8相比,其采用了活性基团甲基丙烯酸酯基全部都是接枝在脂肪链如仲碳原子或叔碳原子上的多官能的丙烯酸酯基改性热固性聚苯醚树脂PPO-7,导致比较例1得到的基材抗热氧老化性能差,介质常数和介质损耗在长期使用过程中的稳定性差。比较例2与实施例4相比,其采用了低官能度的甲基丙烯酸甲酯基改性热固性聚苯醚树脂SA9000,由于其活性基团有限,不能使过量的乙烯基树脂交联剂如聚丁二烯侧链双键反应完全。没有反应完全的乙烯基树脂交联剂聚丁二烯侧链双键抗热氧老化性能差,从而严重影响基材的介质常数和介质损耗在长期使用过程中的稳定性,进而使基材的信号完整性能恶化。因此,相对于两官能团或活性基团丙烯酸酯基全部接枝在脂肪链如仲碳原子或叔碳原子上的多官能的丙烯酸酯基改性的聚苯醚树脂,采用本发明的多官能的丙烯酸酯基改性热固性聚苯醚树脂制备的电子电路基材不仅具有低的介质常数和介质损耗,而且具有更好的抗热氧老化性能,确保基材的介质常数和介质损耗在长期使用过程中更加稳定。
此外,通过比较例1和实施例8、比较例3和实施例4的对比可以发现,采用适量的乙烯基树脂交联固化活性基团丙烯酸酯基全部都是接枝在脂肪链如仲碳原子或叔碳原子上的多官能的丙烯酸酯基改性热固性聚苯醚树脂PPO-7,或者采用较少量的乙烯基树脂交联固化低官能度的丙烯酸甲酯基改性热固性聚苯醚树脂SA9000,均无法同时实现低的介质常数、介质损耗以及优异的抗热氧老化性能。特定结构的热固性聚苯醚树脂以及特定含量的乙烯基树脂交联剂的配合是同时实现低的介质常数、介质损耗以及优异的抗热氧老化性能的必要条件。
申请人声明,本发明通过上述实施例来说明本发明的详细方法,但本发明并不局限于上述详细方法,即不意味着本发明必须依赖上述详细方法才能实施。所属技术领域的技术人员应该明了,对本发明的任何改进,对本发明产品各原料的等效替换及辅助成分的添加、具体方式的选择等,均落在本发明的保护范围和公开范围之内。
Claims (10)
1.一种聚苯醚树脂组合物,其包括如下组分:
(1)四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂;
(2)乙烯基树脂交联剂,以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂的重量为100重量份计,乙烯基树脂交联剂的重量为40-100重量份;
其中,四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂具有式(1)所示结构:
式(1)中,R1、R2、R3和R4相同或者不同,均独立地为氢原子、卤原子、取代或未取代的C1~C8的烷基或者取代或未取代的芳基;
a和c均独立地为1~15的整数,b为2~10的整数;
Z具有式(2)所示的结构:
式(2)中,R5、R6和R7相同或者不同,均独立地为氢原子或者取代或未取代的C1~C10的烷基;
X具有式(3)、式(4)、式(5)或式(6)所示的结构:
R8、R9、R10、R11、R12、R13、R14、R15、R16、R17、R18、R19、R20、R21、R22、R23、R24、R25、R26和R27相同或者不同,均独立地为氢原子、卤原子、取代或未取代的C1~C8的烷基或者取代或未取代的芳基;n为1~10的整数;
B为亚烃基、-O-、-CO-、-SO-、-SC-、-SO2-或-C(CH3)2-;
Y具有式(7)或式(8)的结构:
R28、R29、R30、R31、R32、R33和R34相同或者不同,均独立地为氢原子,卤原子、取代或未取代的C1~C8的烷基或者取代或未取代的芳基。
2.如权利要求1所述的聚苯醚树脂组合物,其特征在于,b为4-6的整数;
优选地,以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂的重量为100重量份计,乙烯基树脂交联剂的重量为50-80重量;
优选地,所述四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂的数均分子量为500-10000g/mol,优选800~8000g/mol,进一步优选1000~4000g/mol。
3.如权利要求1或2所述的聚苯醚树脂组合物,其特征在于,乙烯基树脂交联剂选自苯乙烯-丁二烯共聚物、聚丁二烯或苯乙烯-丁二烯-二乙烯基苯共聚物中的任意一种或者至少两种的混合物;
优选地,所述苯乙烯-丁二烯共聚物、聚丁二烯或苯乙烯-丁二烯-二乙烯基苯共聚物均独立地经过氨基改性、马来酸酐改性、环氧基改性、丙烯酸酯改性、羟基改性或羧基改性。
4.如权利要求1-3之一所述的聚苯醚树脂组合物,所述聚苯醚树脂组合物还包括引发剂,所述引发剂为自由基引发剂;
优选地,所述自由基引发剂选自有机过氧化物引发剂,进一步优选自过氧化二月桂酰、过氧化二苯甲酰、过氧化新癸酸异丙苯酯、过氧化新癸酸叔丁酯、过氧化特戊酸特戊酯、过氧化特戊酸叔丁酯、叔丁基过氧化异丁酸酯、叔丁基过氧化-3,5,5-三甲基己酸酯、过氧化乙酸叔丁酯、过氧化苯甲酸叔丁酯、1,1-二叔丁基过氧化-3,5,5-三甲基环己烷、1,1-二叔丁基过氧化环己烷、2,2-二(叔丁基过氧化)丁烷、双(4-叔丁基环己基)过氧化二碳酸酯、过氧化二碳酸酯十六酯、过氧化二碳酸酯十四酯、二特戊基过氧化物、二异丙苯过氧化物、双(叔丁基过氧化异丙基)苯、2,5-二甲基-2,5-二叔丁基过氧化己烷、2,5-二甲基-2,5-二叔丁基过氧化己炔、二异丙苯过氧化氢、异丙苯过氧化氢、特戊基过氧化氢、叔丁基过氧化氢、叔丁基过氧化异丙苯、二异丙苯过氧化氢、过氧化碳酸酯-2-乙基己酸叔丁酯、叔丁基过氧化碳酸-2-乙基己酯、4,4-二(叔丁基过氧化)戊酸正丁酯、过氧化甲乙酮或过氧化环己烷中的任意一种或者至少两种的混合物;
优选地,以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂与乙烯基树脂交联剂的重量之和为100重量份计,引发剂的重量为1~3重量份。
5.如权利要求1-4之一所述的聚苯醚树脂组合物,其特征在于,所述聚苯醚树脂组合物还包括阻燃剂;
优选地,所述阻燃剂为含溴阻燃剂或/和含磷阻燃剂;
优选地,以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂、乙烯基树脂交联剂和引发剂的重量之和为100重量份计,阻燃剂的重量为0-40重量份。
6.如权利要求1-5之一所述的聚苯醚树脂组合物,其特征在于,所述聚苯醚树脂组合物还包括粉末填料;
优选地,粉末填料为有机填料和/或无机填料。
7.如权利要求6所述的聚苯醚树脂组合物,其特征在于,所述无机填料选自结晶型二氧化硅、熔融二氧化硅、球形二氧化硅、空心二氧化硅、玻璃粉、氮化铝、氮化硼、碳化硅、碳化硅铝、氢氧化铝、氢氧化镁、二氧化钛、钛酸锶、钛酸钡、氧化锌、氧化锆、氧化铝、氧化铍、氧化镁、硫酸钡、滑石粉、粘土、硅酸钙、碳酸钙或云母中的任意一种或者至少两种的混合物;
优选地,所述有机填料选自聚四氟乙烯粉末、聚苯硫醚、聚醚酰亚胺、聚苯醚或聚醚砜粉末中的任意一种或者至少两种的混合物;
优选地,以四官能或四官能以上的丙烯酸酯基改性热固性聚苯醚树脂、乙烯基树脂交联剂、引发剂和阻燃剂的重量之和为100重量份计,粉末填料的重量为0-150重量份。
8.一种预浸料,其包括增强材料及通过含浸干燥后附着其上的如权利要求1-7之一所述的聚苯醚树脂组合物。
9.一种层压板,其包括至少一张如权利要求8所述的预浸料。
10.一种印制电路板,其包括至少一张如权利要求8所述的预浸料。
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CN109971152A (zh) * | 2017-12-28 | 2019-07-05 | 广东生益科技股份有限公司 | 聚苯醚树脂组合物、预浸料、层压板及印刷线路板 |
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- 2016-04-08 WO PCT/CN2016/078808 patent/WO2017067139A1/zh unknown
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CN109971152A (zh) * | 2017-12-28 | 2019-07-05 | 广东生益科技股份有限公司 | 聚苯醚树脂组合物、预浸料、层压板及印刷线路板 |
CN109971152B (zh) * | 2017-12-28 | 2021-11-30 | 广东生益科技股份有限公司 | 聚苯醚树脂组合物、预浸料、层压板及印刷线路板 |
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CN108659504B (zh) * | 2018-05-17 | 2020-06-05 | 常州中英科技股份有限公司 | 一种可交联碳氢聚合物的组合物及其制备的半固化片和热固型覆铜板 |
CN111574665A (zh) * | 2019-02-18 | 2020-08-25 | Dic株式会社 | 热固化性树脂组合物、团状模塑料和成形品 |
CN111574665B (zh) * | 2019-02-18 | 2024-04-09 | Dic株式会社 | 热固化性树脂组合物、团状模塑料和成形品 |
CN111592751A (zh) * | 2019-02-20 | 2020-08-28 | 旭化成株式会社 | 含聚苯醚的树脂组合物 |
CN111592751B (zh) * | 2019-02-20 | 2023-09-29 | 旭化成株式会社 | 含聚苯醚的树脂组合物 |
CN114127183A (zh) * | 2019-07-17 | 2022-03-01 | 松下知识产权经营株式会社 | 树脂组合物、预浸料、带树脂的膜、带树脂的金属箔、覆金属箔层压板以及布线板 |
CN110872379A (zh) * | 2019-12-02 | 2020-03-10 | 珠海宏昌电子材料有限公司 | 甲基丙烯酸酯聚苯醚及其制备方法和应用 |
US11905409B2 (en) * | 2020-09-01 | 2024-02-20 | Panasonic Intellectual Property Management Co., Ltd. | Resin composition, and prepreg, resin-coated film, resin-coated metal foil, metal-clad laminate, and wiring board each obtained using said resin composition |
CN113234242A (zh) * | 2021-06-29 | 2021-08-10 | 四川大学 | 可用于5g高速高频通讯的端双键聚苯醚与环氧化聚丁二烯树脂共交联聚合物及其制备方法 |
Also Published As
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JP6514405B2 (ja) | 2019-05-15 |
WO2017067139A1 (zh) | 2017-04-27 |
CN106609031B (zh) | 2018-11-27 |
US20190002689A1 (en) | 2019-01-03 |
US10465069B2 (en) | 2019-11-05 |
EP3366725A4 (en) | 2019-07-03 |
JP2018523725A (ja) | 2018-08-23 |
EP3366725A1 (en) | 2018-08-29 |
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