CN116656111A - 一种具有优异相容性的树脂组合物及其制备方法与应用 - Google Patents

一种具有优异相容性的树脂组合物及其制备方法与应用 Download PDF

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CN116656111A
CN116656111A CN202310626977.3A CN202310626977A CN116656111A CN 116656111 A CN116656111 A CN 116656111A CN 202310626977 A CN202310626977 A CN 202310626977A CN 116656111 A CN116656111 A CN 116656111A
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resin
resin composition
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excellent compatibility
glycidyl methacrylate
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CN116656111B (zh
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胡松勇
熊涛
黄吉军
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Kingboard Laminates Shenzhen Ltd
Shenzhen Research Institute Tsinghua University
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Abstract

本发明属于覆铜板用树脂技术领域,具体涉及一种具有优异相容性的树脂组合物及其制备方法与应用。本发明提供的具有优异相容性的树脂组合物主要由改性聚苯醚树脂、碳氢树脂、双马来酰亚胺树脂、含氟树脂粒子、无机填充剂、引发剂、阻燃剂和有机溶剂等成分组成。采用本发明制备得到的具有优异相容性的树脂组合物基体制作的覆铜板具有较低的介电常数和较低的介电损耗,高耐热性且工艺简单,成本低,可以应用于高频高速领域。

Description

一种具有优异相容性的树脂组合物及其制备方法与应用
技术领域
本发明属于覆铜板用树脂技术领域,具体涉及一种具有优异相容性的树脂组合物及其制备方法与应用。
背景技术
随着电子信息产品向高频高速、多功能、大容量和便携低耗方向发展,要求信号传输速度尽量快、信号传输尽量小,覆铜板作为信号传输的载体,被要求具有更高的高频高速特性,更低的介电常数和介质损耗。传统基板(环氧树脂)难以满足使用要求,其逐渐被高速化、高可靠性的微波复合介质基板替代。
近年来被广泛使用的基体树脂有聚苯醚树脂(PPO树脂)、碳氢树脂和双马来酰亚胺树脂(BMI树脂)等。专利文献CN107163244A公开了一种覆铜板用聚苯醚树脂,该聚苯醚树脂为一种特殊结构改性的末端酚羟基的聚苯醚树脂,其具有介电常数和介电损耗低、耐热性好等性质,可应用到高频覆铜板领域。专利文献CN 111909192A公开了一种高频下具有低介电常数和损耗的硅氧烷,采用该硅氧烷单体固化所得树脂在高频下具有低介电常数和低介电损耗、高耐热性、良好加工性和低吸水率,特别适合用于制备高频电路板。
然而单一树脂体系难以同时满足优良的电性能、高玻璃化转变温度,优良耐热性等高可靠性要求。因此,众多研究将目光投向了树脂混合物体系,希望能众采所长,但不同树脂体系如何能做到优异的相容性是其中的关键。
聚四氟乙烯(PTFE)因其特有的化学结构而拥有其他聚合物树脂无法比拟的优异电气性能,其介电常数介电损耗低,热稳定性和化学稳定性高,使用温度范围广,吸水率低,高频率范围内的介电常数和介质损耗因子变化小,非常适用于作为高速数字化和高频基板材料的基体树脂。但是PTFE硬度低,加工性能不足,同时由于PTFE的高结晶度和非极性使其具有非常低的表面能,并且浸润能力差,与其他材料的相容性和粘结性差,限制了它与其他材料的复合。
如果采用适当的方式将具有优异电气性能的PTFE进行改性,提升其与其他复合材料的相容性,就能作为聚苯醚(PPO),碳氢树脂,双马来酰亚胺(BMI)等基体聚合物改性剂,进一步提升该树脂组合物的介电性能,降低其介电常数和介电损耗,同时也改善了PTFE单独使用的加工性能。
PTFE常用的表面改性技术有化学处理法、高温熔融法、辐射接枝法、等离子体处理法以及激光辐射改性法,其中钠萘溶液化学处理法是一种较经典的、实用效果较好的方法,通过脱去PTFE表面上的部分氟原子,在表面留下了碳化层和某些特定极性基如C=0、C=C、COOH,使表面能增大,接触角变小,湿润性提高,由难粘变为可粘,但是由于处理后的PTFE只能与具有相似结构的物质较好相容,长期暴露在空气中其改性效果会丧失,需要处理大量废液,不够绿色环保且有一定的危险性。其它方法虽然相对环保,但大多适用于具有固定形状的PTFE产品表面,而且辐射接枝法、等离子体处理法以及激光辐射改性法等方法采用的设备昂贵、生产效率低、难以大规模工业化生产,改性效果同样难以长时间保持。
发明内容
为了克服现有技术中存在的缺点和不足,本发明的目的之一在于提供一种具有优异相容性的树脂组合物,该树脂组合物包含改性聚苯醚,碳氢树脂,双马来酰亚胺中的一种或几种,以及包含与该混合树脂具有优异相容性的含氟树脂粒子,使用该组合物为树脂基体制作的覆铜板具有较低的介电常数和较低的介电损耗,高耐热性且工艺简单,成本低,可以应用于高频高速领域。
本发明提供了一种具有优异相容性的树脂组合物,包括以下成分及其重量份数:
进一步地,所述棕榈油酸值为0.01-0.03mgKOH/g。
进一步地,所述改性聚苯醚树脂为分子链末端带有双键的改性聚苯醚树脂,优选为甲基丙烯酸酯改性的聚苯醚树脂和苯基乙烯基改性的聚苯醚树脂,所述改性的聚苯醚树脂来源于Sabic公司的SA9000,所述改性聚苯醚树脂的数均分子量优选为1000~5000,进一步优选为1500~4000,所述改性聚苯醚树脂的分子量分布优选为1.2~2.5;
进一步地,所述碳氢树脂为含有可聚合的碳碳双键的不饱和树脂,优选为聚丁二烯、丁二烯与苯乙烯的共聚物、苯乙烯-丁二烯-苯乙烯的聚合物或苯乙烯-异戊二烯-苯乙烯共聚物;
进一步地,所述双马来酰亚胺树脂为4,4’-二苯甲烷双马来酰亚胺、4,4’-二苯异丙基双马来酰亚胺和4,4’-二苯醚双马来酰亚胺中的一种或两种以上的组合。
进一步地,所述含氟树脂粒子是通过将聚四氟乙烯乳液(PTFE乳液)加入甲基丙烯酸缩水甘油酯(GMA)和其他丙烯酸酯类单体聚合制得的含氟树脂粒子(改性PTFE粒子),制得的含氟树脂粒子具有优异的相容性,工艺简单,低毒,对设备无腐蚀,对环境友好,成本低,具体的含氟树脂粒子的制备方法为:
步骤S1.将聚四氟乙烯乳液、分散剂和蒸馏水加入反应容器中,在1500~2500rpm的转速下高速剪切10~30min,所述聚四氟乙烯乳液的质量为蒸馏水质量的20~60%,所述分散剂的质量为聚四氟乙烯乳液质量的0.5~3%;
步骤S2.调节反应体系的pH值至3-5,加入引发剂、甲基丙烯酸缩水甘油酯单体和其他丙烯酸酯类的单体,在温度为60~90℃的条件下反应2~4h后,再次加入同等质量的甲基丙烯酸缩水甘油酯单体和其他丙烯酸酯类的单体,在温度为60~90℃的条件下反应3~6h,对反应物进行洗涤,离心,干燥,即得。
进一步地,所述步骤S1中的聚四氟乙烯乳液的平均分子量在100~1000万,固含量在58~62%,乳液粒径在0.01~0.30μm,粘度为10~40*10-3Pa.S,
进一步地,所述步骤S1中的分散剂为无机类分散剂和/或有机类分散剂,无机分散剂包括天然硅酸盐、硫酸盐类、碳酸盐类、草酸盐类、氢氧化物类和氧化物类中的至少一种,有机分散剂包含天然高分子类分散剂、蛋白质类高分子分散剂、纤维素类衍生物类分散剂、合成高分子类分散剂、含羧基类合成高分子分散剂、含氮类合成高分子分散剂和含酯基类合成高分子分散剂中的至少一种;所述分散剂进一步优选为碳酸钙、纤维素类衍生物和失水山梨糖脂肪酸酯中的一种或两种以上的组合。
进一步地,S2中的引发剂是由异丙苯过氧化氢、偶氮二异丁腈和四乙烯亚胺的组合物,重量比为1:0.8-1.2:1-2;所述步骤S2中的甲基丙烯酸缩水甘油酯单体的质量为聚四氟乙烯乳液质量的1~20%,所述其他丙烯酸酯类单体的质量为聚四氟乙烯乳液质量的10~25%,所述甲基丙烯酸缩水甘油酯单体为密度为1.072~1.076g/mL、玻璃化温度为40~48℃的甲基丙烯酸缩水甘油酯,所述其它丙烯酸酯类单体为丙烯酸丁酯、甲基丙烯酸甲酯、α-甲基苯乙烯、甲基丙烯腈、丙烯酸2-乙基己酯和甲基丙烯酸异冰片酯中的一种或两种以上的组合。
进一步地,所述无机填充剂为二氧化硅、二氧化钛、氧化锆、氧化铝、氧化鉍、氮化铝、氮化硼、氮化硅、碳化硅、钛酸钡、钛酸鉍、钛酸钙、锆酸钡、锆酸鉍、锆酸镁、碳酸钙、硅微粉、云母粉、水镁石、高岭土、浮石粉、粘土的一种或几种,优选为二氧化硅、二氧化钛、氮化硼和氮化硅中的一种或两种以上的组合,所述无机填充剂可以用硅烷偶联剂进行表面处理硅烷偶联剂为乙烯基硅烷、苯乙烯基硅烷、甲基丙烯酸硅烷和丙烯酸硅烷中的至少一种。
进一步地,所述引发剂为过氧化二异丙苯、α,α′-双(叔丁基过氧-间-异丙基)苯、2,5二甲基-2,5-二(叔丁基过氧)-3己炔、过氧化苯甲酰、3,3,5,5′-四甲基-1,4-联苯醌、氯醌、2,4,6-三叔丁基苯氧基、叔丁基过氧化氢,叔丁基过氧异丙基一碳酸酯和偶氮二异丁腈中的一种或两种以上的组合。
进一步地,所述阻燃剂为含磷阻燃剂,包含次磷酸盐化合物,芳香族缩合磷酸酯化合物中的一种或几种。具体可以包括:磷酸酯化合物、膦酸化合物、次膦酸化合物、氧化膦化合物、正膦化合物、有机系含氮磷化合物、9,10-二氢-9-氧杂-10-磷杂菲-10-氧化物、10-(2,5-二羧基苯基)-9,10-二氢-9-氧杂-10磷菲-10-氧化物、二(3-胺苯基)苯基氧膦或三(3-胺苯基)氧化膦、十溴二苯乙烷、四溴双酚A、乙撑双(四溴邻苯二甲酰胺)等。
进一步地,所述有机溶剂为醇类、酮类、芳香族烃类、醚类或含氮类有机溶剂中的一种或几种,所述有机溶剂优选为乙二醇单甲醚、乙基溶纤剂、丁基溶纤剂、丙酮、丁酮、甲基异丁基酮、环己酮、甲苯、二甲苯、乙酸乙酯、乙氧基乙酸乙酯、N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、N-甲基-2-吡咯烷酮中的一种或两种以上的组合,作为两种及以上的混合溶剂,优选为甲苯或二甲苯与丙酮、丁酮、甲基异丁基酮、环己酮中的任意一种或几种混合使用。
此外,本发明还提供了所述具有优异相容性的树脂组合物的制备方法,其特包括以下步骤:
将改性聚苯醚树脂和马来酰亚胺树脂溶于有机溶剂中,加入碳氢树脂、含氟树脂粒子、无机填充剂、阻燃剂、3-(2,3-环氧丙基)三甲基硅烷、棕榈油和有机溶剂,搅拌均匀,加入引发剂,分散处理,即得。
本发明的目的之二在于提供一种半固化片,包括上述的具有优异相容性的树脂组合物,将该树脂组合物胶液浸渍于纤维织物,干燥得到半固化片。
本发明的目的之三在于提供一种覆铜板,通过将上述的半固化片进行叠合,将叠合后的半固化片的两侧附上铜箔热压制得覆铜板。
本发明通过将PTFE乳液与含有活泼双键和环氧基团的丙烯酸酯类衍生物进行聚合改性,得到改性的PTFE粒子,与现有的PTFE粉体与聚合物界面的直接接触相比,本发明通过对PTFE进行表面改性,改善了PTFE与其他聚合物的相容性。
本发明中的3-(2,3-环氧丙基)三甲基硅烷是一种由三个甲基官能团相连结的环氧硅烷,其具有较强的附着力和化学惰性;本发明通过硅氧烷与含氟树脂粒子的复配,两者的共同改性能够使得本发明的数值组合物具有优良的介电性能,可以在高电场下长期运行。
棕榈油因其产量高、可降解、耐击穿等优点而被用作变压器绝缘油使用;由于棕榈油的酸价高,容易氧化导致性能下降;同时棕榈油相对容易挥发;故没有应用到覆铜板用树脂领域的先例。本发明通过限定棕榈油的酸值解决容易氧化的问题,用过无机填充剂的吸收、利用多种树脂的复配阻止了棕榈油的挥发,发挥棕榈油绝缘性好、高温下稳定的有点。
由于PTFE优异的电气性能,加上本发明得到的改性PTFE粒子与基体聚合物的相容性与现有技术相比更好,因此添加量更大,树脂组合物的介电常数和介电损耗更低,由该树脂组合物制成的覆铜板性能更优,适合用于高频高速领域。
本发明提出的改性工艺简单,危险性小,采用的设备简单,成本低,在后续的树脂组合物成型工艺中并无增加任何特殊工艺步骤,非常有利于工业化生产。
由于PTFE优异的电气性能,加上本发明得到的改性PTFE粒子与基体聚合物的相容性与现有技术相比更好,因此添加量更大,树脂组合物的介电常数和介电损耗更低,由该树脂组合物制成的覆铜板性能更优,适合用于高频高速领域。
附图说明:
图1为经过处理的含氟树脂粒子与普通PTFE粒子的对比情况。左边为经过处理的含氟树脂粒子在胶液里的分散情况,分散均匀切且不发生沉降现象,右边是普通PTFE粒子,在胶液里无法均匀分散。
具体实施方式
以下通过具体实施方式的描述对本发明作进一步说明,但这并非是对本发明的限制,本领域技术人员根据本发明的基本思想,可以做出各种修改或改进,但是只要不脱离本发明的基本思想,均在本发明的范围之内。本发明中所涉及的材料和试剂均为食品级,均可通过市售或本领域常规技术手段获得。
实施例1、一种含氟树脂粒子的制备
步骤S1.将聚四氟乙烯乳液、碳酸钙和蒸馏水加入反应容器中,在1500rpm的转速下高速剪切30min,所述聚四氟乙烯乳液的平均分子量在500~700万,固含量在58%,乳液粒径在0.10~0.20μm,粘度为10~20*10-3Pa.S,所述聚四氟乙烯乳液的质量为蒸馏水质量的40%,所述碳酸钙的质量为聚四氟乙烯乳液质量的1%;
步骤S2.调节反应体系的pH值3-4,加入异丙苯过氧化氢、偶氮二异丁腈和四乙烯亚胺以重量比1:0.8:1.6组成的组合物作为引发剂、甲基丙烯酸缩水甘油酯单体和其他丙烯酸酯类的单体,在温度为65℃的条件下反应3h后,再次加入同等质量的甲基丙烯酸缩水甘油酯单体和其他丙烯酸酯类的单体,在温度为75℃的条件下反应5h,所述甲基丙烯酸缩水甘油酯单体的质量为聚四氟乙烯乳液质量的10%,所述其他丙烯酸酯类单体的质量为聚四氟乙烯乳液质量的20%,所述甲基丙烯酸缩水甘油酯单体为密度为1.072g/mL、玻璃化温度为40℃的甲基丙烯酸缩水甘油酯,所述其它丙烯酸酯类单体为由丙烯酸丁酯和甲基丙烯酸甲酯按质量比1:1组合而成,接着对反应物进行洗涤,离心,干燥,即得。
实施例2、一种含氟树脂粒子的制备
步骤S1.将聚四氟乙烯乳液、碳酸钙和蒸馏水加入反应容器中,在2500rpm的转速下高速剪切15min,所述聚四氟乙烯乳液的平均分子量在800~1000万,固含量在60%,乳液粒径在0.20~0.30μm,粘度为30~40*10-3Pa.S,所述聚四氟乙烯乳液的质量为蒸馏水质量的50%,所述碳酸钙的质量为聚四氟乙烯乳液质量的2%;
步骤S2.调节反应体系的pH值4-5,加入异丙苯过氧化氢、偶氮二异丁腈和四乙烯亚胺以重量比1:1:1.8组成的组合物作为引发剂、甲基丙烯酸缩水甘油酯单体和其他丙烯酸酯类的单体,在温度为70℃的条件下反应4h后,再次加入同等质量的甲基丙烯酸缩水甘油酯单体和其他丙烯酸酯类的单体,在温度为80℃的条件下反应4h,所述甲基丙烯酸缩水甘油酯单体的质量为聚四氟乙烯乳液质量的16%,所述其他丙烯酸酯类单体的质量为聚四氟乙烯乳液质量的23%,所述甲基丙烯酸缩水甘油酯单体为密度为1.076g/mL、玻璃化温度为48℃的甲基丙烯酸缩水甘油酯,所述其它丙烯酸酯类单体为由α-甲基苯乙烯和甲基丙烯腈按质量比1:2组合而成,接着对反应物进行洗涤,离心,干燥,即得。
相容性检测试验
固体树脂用二甲苯溶解成澄清透明胶液,然后按配方比例,在200rpm转速条件下逐步加入既定的实施例1或实施例2制作的氟树脂粒子,再将搅拌速度提升至5000rpm,继续搅拌2小时,静置2小时观察分散及沉降情况。
如图1所示,左边为经过处理的含氟树脂粒子在胶液里的分散情况,分散均匀切且不发生沉降现象,右边是普通PTFE粒子,在胶液里无法均匀分散。
优异相容性的树脂组合物的制备
优异相容性的树脂组合物的制备方法,步骤为:将改性聚苯醚树脂和马来酰亚胺树脂溶于有机溶剂中,加入碳氢树脂、含氟树脂粒子、无机填充剂、阻燃剂、3-(2,3-环氧丙基)三甲基硅烷、棕榈油和有机溶剂,搅拌均匀,加入引发剂,分散处理,即得。
具体的配比如下表1所示。
表1各实施例成分
表1中的空白表示没有添加;棕榈油酸值为0.01-0.03mgKOH/g
对前述的覆铜板用复合胶黏剂进行性能测试
本发明中相关的性能测试方法采用以下列举的方法:
《GB/T 13555-2017挠性印制电路用聚酰亚胺薄膜覆铜板》中LPI-302F或LPI-302型号对应的测试方法进行测试;
《IPC-4101刚性及多层印制板基材规范》
《IPC-4562A印刷电路用金属箔》
取前述实施例3-7等量的地涂覆在PI膜上,烘干固化得挠性覆铜板,并沿用前述的序号进行测试,结果如下表所示。
表2各实施例性能测试
实施例3 实施例4 实施例5 实施例6 实施例7 对比例1
介电常数(Dk,1.1Ghz) 3.35 3.28 3.28 3.35 3.35 4.06
介电常数(Dk,2.5Ghz) 3.27 3.24 3.24 3.27 3.24 3.96
介电常数(Dk,5Ghz) 3.25 3.29 3.25 3.22 3.29 3.92
介电常数(Dk,10Ghz) 3.30 3.30 3.30 3.34 3.30 4.02
介电损耗角正切(Df,1.1Ghz) 0.0017 0.0018 0.0018 0.0017 0.0016 0.0030
介电损耗角正切(Df,2.5Ghz) 0.0019 0.0018 0.0019 0.0019 0.0018 0.0036
介电损耗角正切(Df,5Ghz) 0.0021 0.0020 0.0020 0.0020 0.0020 0.0041
介电损耗角正切(Df,10Ghz) 0.0024 0.0025 0.0024 0.0025 0.0024 0.0047
Tg(℃,DMA) 235.55 234.25 236.94 230.83 237.76 234.25
Tg(℃,TMA) 184.42 207.51 187.63 188.10 178.70 207.51
CTE,Tg前(ppm/℃) 32.76 32.10 33.09 33.42 33.42 26.04
CTE,Tg后(ppm/℃) 143.2 138.9 143.2 140.3 141.8 65.9
CTE,PTE(%)(ppm/℃) 1.534 1.549 1.549 1.565 1.549 0.981
CTE,PTE(%),板厚 0.8144TA 0.8315TA 0.8241TA 0.8175TA 0.8274TA 0.7868TA
层间结合力,带铜(N/mm) 1.31 1.37 1.34 1.32 1.41 0.69
层间结合力,不带铜(N/mm) 0.82 0.85 0.84 0.82 0.86 0.41
阻燃性(秒,94V0级) 41 42 41 41 42
高温高湿测试(85℃,85%) 正常 正常 正常 正常 正常
外观 正常 正常 正常 正常 正常 有白点
耐焊,浮焊(s) >360 >360 >360 >360 >360
耐焊,浸焊(s) >360 >360 >360 >360 >360
表2中的CTE为热膨胀系数,Tg为玻璃化温度;空白格表示没有进行相关测试。
上述实施例仅例示性说明本发明的原理及其功效,而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下,对上述实施例进行修饰或改变。因此,举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变,仍应由本发明的权利要求所涵盖。

Claims (10)

1.一种具有优异相容性的树脂组合物,其特征在于,包括以下成分及其重量份数:
2.如权利要求1所述的具有优异相容性的树脂组合物,其特征在于,所述棕榈油酸值为0.01-0.03mgKOH/g。
3.如权利要求1或2所述的具有优异相容性的树脂组合物,其特征在于,所述改性聚苯醚树脂为分子链末端带有双键的改性聚苯醚树脂,所述改性聚苯醚树脂的数均分子量为1000~5000;所述碳氢树脂为聚丁二烯、丁二烯与苯乙烯的共聚物、苯乙烯-丁二烯-苯乙烯的聚合物或苯乙烯-异戊二烯-苯乙烯共聚物;所述双马来酰亚胺树脂为4,4’-二苯甲烷双马来酰亚胺、4,4’-二苯异丙基双马来酰亚胺和4,4’-二苯醚双马来酰亚胺中的一种或两种以上的组合。
4.如权利要求1或2所述的具有优异相容性的树脂组合物,其特征在于,所述含氟树脂粒子的制备方法为:
步骤S1.将聚四氟乙烯乳液、分散剂和蒸馏水加入反应容器中,在1500~2500rpm的转速下高速剪切10~30min,所述聚四氟乙烯乳液的质量为蒸馏水质量的20~60%,所述分散剂的质量为聚四氟乙烯乳液质量的0.5~3%;
步骤S2.调节反应体系的pH值为3-5,加入引发剂、甲基丙烯酸缩水甘油酯单体和其他丙烯酸酯类的单体,在温度为60~90℃的条件下反应2~4h后,再次加入同等质量的甲基丙烯酸缩水甘油酯单体和其他丙烯酸酯类的单体,在温度为60~90℃的条件下反应3~6h,对反应物进行洗涤,离心,干燥,即得。
5.如权利要求4所述的具有优异相容性的树脂组合物,其特征在于,所述步骤S1中的聚四氟乙烯乳液的平均分子量在100~1000万,固含量在58~62%,乳液粒径在0.01~0.30μm,粘度为10~40*10-3Pa.S,所述步骤S1中的分散剂为硅藻土、碳酸钙、纤维素类衍生物和失水山梨糖脂肪酸酯中的一种或两种以上的组合。
6.如权利要求4所述的具有优异相容性的树脂组合物,其特征在于,所述步骤S2中的引发剂是由异丙苯过氧化氢、偶氮二异丁腈和四乙烯亚胺的组合物,重量比为1:0.8-1.2:1-2;所述步骤S2中的甲基丙烯酸缩水甘油酯单体的质量为聚四氟乙烯乳液质量的1~20%,所述其他丙烯酸酯类单体的质量为聚四氟乙烯乳液质量的10~25%,所述甲基丙烯酸缩水甘油酯单体为密度为1.072~1.076g/mL、玻璃化温度为40~48℃的甲基丙烯酸缩水甘油酯,所述其它丙烯酸酯类单体为丙烯酸丁酯、甲基丙烯酸甲酯、α-甲基苯乙烯、甲基丙烯腈、丙烯酸2-乙基己酯和甲基丙烯酸异冰片酯中的一种或两种以上的组合。
7.如权利要求1或2所述的具有优异相容性的树脂组合物,其特征在于,所述无机填充剂为二氧化硅、二氧化钛、氮化硼和氮化硅中的一种或两种以上的组合;
所述引发剂为过氧化二异丙苯、α,α′-双(叔丁基过氧-间-异丙基)苯、2,5二甲基-2,5-二(叔丁基过氧)-3己炔、过氧化苯甲酰、3,3,5,5′-四甲基-1,4-联苯醌、氯醌、2,4,6-三叔丁基苯氧基、叔丁基过氧化氢,叔丁基过氧异丙基一碳酸酯和偶氮二异丁腈中的一种或两种以上的组合;
所述阻燃剂为含磷阻燃剂,包含次磷酸盐化合物,芳香族缩合磷酸酯化合物中的一种或几种;
所述有机溶剂为乙二醇单甲醚、乙基溶纤剂、丁基溶纤剂、丙酮、丁酮、甲基异丁基酮、环己酮、甲苯、二甲苯、乙酸乙酯、乙氧基乙酸乙酯、N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、N-甲基-2-吡咯烷酮中的一种或两种以上的组合。
8.如权利要求1~7任一所述具有优异相容性的树脂组合物的制备方法,其特征在于,包括以下步骤:
将改性聚苯醚树脂和马来酰亚胺树脂溶于有机溶剂中,加入碳氢树脂、含氟树脂粒子、无机填充剂、阻燃剂、3-(2,3-环氧丙基)三甲基硅烷、棕榈油和有机溶剂,搅拌均匀,加入引发剂,分散处理,即得。
9.一种半固化片,包括如权利要求1~7任一所述的具有优异相容性的树脂组合物,将该树脂组合物胶液浸渍于纤维织物,干燥得到半固化片。
10.一种覆铜板,通过将如权利要求9所述的半固化片进行叠合,将叠合后的半固化片的两侧附上铜箔热压制得覆铜板。
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