CN106751631A - 一种载运工具电气设备用高强低密耐燃绝缘复合材料及其制备方法 - Google Patents
一种载运工具电气设备用高强低密耐燃绝缘复合材料及其制备方法 Download PDFInfo
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Abstract
一种载运工具电气设备用高强低密耐燃绝缘复合材料及其制备方法,属于热固性复合材料制备技术领域。其是先按配比称取各种原料,将脱模剂、防老剂、抗静电剂、引发剂加入到不饱和聚酯和有机硅树脂的混合物中,将改性轻质填料、氧化铝、碳酸钙混合均匀后分成两等分,依次加入上述树脂中,每次加料后立即封闭搅拌10分钟,得到树脂胶液;然后用树脂胶液浸渍玻璃纤维毡布,以PET承载膜包覆,作为预浸料;预浸料置于30‑50℃烘房里烘干10‑20小时。利用本发明得到的复合材料固化后强度高,密度小,耐燃性和绝缘性能较好。
Description
技术领域
本发明设计一种载运工具电气设备用高强低密耐燃绝缘复合材料。
背景技术
由于环保和节能的需要,载运工具的轻量化已经成为发展的潮流。以汽车为例,每减重10%可以节省6-8%的燃料。轻量化的主要途径有外型优化、选用轻质材料、结构设计优化及承载式体身等方式,其中选用轻质材料是最有效也是最主要的轻量化措施。然而目前,轻量化还主要着眼在整身大规模减重,即整身轻质结构材料的研究。实际上,任何一个部位的轻量化都需要综合考虑,包括电气用材料。
发明内容
本发明的目的在于提供一种载运工具电气设备用高强低密耐燃绝缘复合材料及其制备方法,这种复合材料具有绝缘性能,能使具有较高的强度、较低的密度及不燃性。
为达到以上目的,本发明采取以下技术方案:
本发明提供的载运工具电气设备用高强低密耐燃绝缘复合材料,其原料组成为:不饱和聚酯树脂100份;有机硅硅树脂5-40份;耐漏电起痕剂5-20;引发剂1-5份;改性轻质填料5-30份;氢氧化铝5-50份;碳酸钙5-60份;脱模剂1-6份;抗静电剂0.1-0.5份;防老剂0.1-1份;阻聚剂0.1-1份;
所述的不饱和聚酯为间苯二甲酸辛二醇型,有机硅树脂为乙烯基硅树脂;
所述的耐漏电起痕剂为三聚氰胺氰尿酸;
所述的引发剂为过氧化苯甲酰和过氧化苯甲酰叔丁酯的混合物;
所述的改性轻质填料为空心玻璃微珠,其表面以乙烯基硅烷偶联剂和脲基硅烷偶联剂协同进行处理;
所述的脱模剂优选硬脂酸锌;
所述的防老剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯和2-羟基-4-甲氧基二苯甲酮的1:1混合物;
所述的抗静电剂为石墨;
所述的阻聚剂为邻苯二酚,对苯二酚,苯醌中的一种或几种;
制备上述载运工具电气设备用高强低密耐燃绝缘复合材料按以下步骤操作:将所称量的抗漏电起痕剂、脱模剂、防老剂、抗静电剂、引发剂加入到不饱和聚酯和有机硅树脂的混合物中,用高速分散剂搅拌5分钟,其余组分混合均匀后分成两等分,依次加入上述树脂中,每次加料后立即封闭搅拌5-10分钟,得到树脂胶液;然后用树脂胶液浸渍玻璃纤维毡布,以PET承载膜包覆,作为预浸料;预浸料置于30-50℃烘房里烘干10-20小时。
采用上述技术方案得到的复合材料,填料分散好,制品强度高,密度小,阻燃性和绝缘性佳。
具体实施方式
实施例1
按重量份数称取:不饱和聚酯树脂100份;有机硅硅树脂40份;三聚氰胺尿酸盐10分,引发剂过氧化苯甲酰5份;脲基硅烷偶联剂和乙烯基硅烷偶联剂协同改性的空心玻璃微珠30份;氢氧化铝50份;碳酸钙10份;脱模剂硬脂酸锌6份;抗静电剂石墨0.5份;防老剂1份;阻聚剂对苯二酚1份;将所称量的抗漏电起痕剂、脱模剂、防老剂、抗静电剂、引发剂加入到不饱和聚酯和有机硅树脂的混合物中,用高速分散剂搅拌5分钟,其余组分混合均匀后分成两等分,依次加入上述树脂中,每次加料后立即封闭搅拌5-10分钟,得到树脂胶液;然后用树脂胶液浸渍玻璃纤维毡布,以PET承载膜包覆,作为预浸料;预浸料置于30℃烘房里烘干20小时。所得产品密度为1.02g/cm3,抗压强度178MPa。
实施例2
按重量份数称取:不饱和聚酯树脂100份;有机硅硅树脂40份;三聚氰胺尿酸盐10分,引发剂过氧化苯甲酰5份;脲基硅烷偶联剂和乙烯基硅烷偶联剂协同改性的空心玻璃微珠30份;氢氧化铝50份;碳酸钙10份;脱模剂硬脂酸锌6份;抗静电剂石墨0.5份;防老剂1份;阻聚剂对苯二酚1份;将所称量的抗漏电起痕剂、脱模剂、防老剂、抗静电剂、引发剂加入到不饱和聚酯和有机硅树脂的混合物中,用高速分散剂搅拌5分钟,其余组分混合均匀后分成两等分,依次加入上述树脂中,每次加料后立即封闭搅拌5-10分钟,得到树脂胶液;然后用树脂胶液浸渍玻璃纤维毡布,以PET承载膜包覆,作为预浸料;预浸料置于50℃烘房里烘干10小时。所得产品密度为1.03g/cm3,抗压强度170MPa。
实施例3
按重量份数称取:不饱和聚酯树脂100份;乙烯基有机硅硅树脂5份;三聚氰胺尿酸盐5份,引发剂过氧化苯甲酰1份;脲基硅烷偶联剂和乙烯基硅烷偶联剂协同改性的空心玻璃微珠5份;氢氧化铝5份;碳酸钙5份;脱模剂硬脂酸锌1份;抗静电剂石墨0.1份;防老剂0.1份;阻聚剂邻苯二酚0.1份;将所称量的抗漏电起痕剂、脱模剂、防老剂、抗静电剂、引发剂加入到不饱和聚酯和有机硅树脂的混合物中,用高速分散剂搅拌5分钟,其余组分混合均匀后分成两等分,依次加入上述树脂中,每次加料后立即封闭搅拌10分钟,得到树脂胶液;然后用树脂胶液浸渍玻璃纤维毡布,以PET承载膜包覆,作为预浸料;预浸料置于50℃烘房里烘干10小时。所得产品密度为1.5g/cm3,抗压强度190MPa。
实施例4
按重量份数称取:不饱和聚酯树脂100份;三聚氰胺尿酸盐10份,引发剂过氧化苯甲酰2份;脲基硅烷偶联剂和乙烯基硅烷偶联剂协同改性的空心玻璃微珠3份;氢氧化铝10份;碳酸钙10份;脱模剂硬脂酸锌0.5份;抗静电剂石墨0.1份;防老剂0.1份;阻聚剂邻苯二酚0.1份;将所称量的抗漏电起痕剂、脱模剂、防老剂、抗静电剂、引发剂加入到不饱和聚酯和有机硅树脂的混合物中,用高速分散剂搅拌5分钟,其余组分混合均匀后分成两等分,依次加入上述树脂中,每次加料后立即封闭搅拌10分钟,得到树脂胶液;然后用树脂胶液浸渍玻璃纤维毡布,以PET承载膜包覆,作为预浸料;预浸料置于50℃烘房里烘干10小时。所得产品密度为1.5g/cm3,抗压强度190MPa。
实施例5
按重量份数称取:不饱和聚酯树脂100份;乙烯基有机硅硅树脂20份;三聚氰胺尿酸盐10份,引发剂过氧化苯甲酰2份;脲基硅烷偶联剂和乙烯基硅烷偶联剂协同改性的空心玻璃微珠15份;氢氧化铝20份;碳酸钙15份;脱模剂硬脂酸锌0.8份;抗静电剂石墨0.2份;防老剂0.8份;阻聚剂邻苯二酚0.3份,对苯二酚0.3,苯醌0.3;将所称量的抗漏电起痕剂、脱模剂、防老剂、抗静电剂、引发剂加入到不饱和聚酯和有机硅树脂的混合物中,用高速分散剂搅拌5分钟,其余组分混合均匀后分成两等分,依次加入上述树脂中,每次加料后立即封闭搅拌10分钟,得到树脂胶液;然后用树脂胶液浸渍玻璃纤维毡布,以PET承载膜包覆,作为预浸料;预浸料置于40℃烘房里烘干15小时。所得产品密度为1.3g/cm3,抗压强度160MPa。
Claims (10)
1.一种载运工具电气设备用高强低密耐燃绝缘复合材料,其特征在于,由以下重量份的原料组成:
不饱和聚酯树脂100份;
有机硅硅树脂5-40份;
耐漏电起痕剂5-20;
引发剂1-5份;
改性轻质填料5-40份;
氢氧化铝5-50份;
碳酸钙5-60份;
脱模剂1-6份;
抗静电剂0.1-0.5份;
防老剂0.1-1份;
阻聚剂0.1-1份。
2.根据权利要求1所述的一种载运工具电气设备用高强低密耐燃绝缘复合材料,其特征在于,所述的不饱和聚酯为间苯二甲酸辛二醇型。
3.根据权利要求1所述的一种载运工具电气设备用高强低密耐燃绝缘复合材料,其特征在于,所述的有机硅树脂为乙烯基硅树脂。
4.根据权利要求1所述的一种载运工具电气设备用高强低密耐燃绝缘复合材料,其特征在于,所述的耐漏电起痕剂为三聚氰胺氰尿酸。
5.根据权利要求1所述的一种载运工具电气设备用高强低密耐燃绝缘复合材料,其特征在于,所述的引发剂为过氧化苯甲酰和过氧化苯甲酰叔丁酯的混合物。
6.根据权利要求1所述的一种载运工具电气设备用高强低密耐燃绝缘复合材料,其特征在于,所述的改性轻质填料为空心玻璃微珠,其表面以乙烯基硅烷偶联剂和脲基硅烷偶联剂协同进行处理。
7.根据权利要求1所述的一种载运工具电气设备用高强低密耐燃绝缘复合材料,其特征在于,所述的脱模剂优选硬脂酸锌,所述的抗静电剂为石墨。
8.根据权利要求1所述的一种载运工具电气设备用高强低密耐燃绝缘复合材料,其特征在于,所述的防老剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯和2-羟基-4-甲氧基二苯甲酮的1:1混合物。
9.根据权利要求1所述的一种载运工具电气设备用高强低密耐燃绝缘复合材料,其特征在于,所述的阻聚剂为邻苯二酚,对苯二酚,苯醌中的一种或几种。
10.一种载运工具电气设备用高强低密耐燃绝缘复合材料,其特征在于,称量后按以下步骤操作:将所称量的脱模剂、防老剂、抗静电剂、耐漏电起痕剂、引发剂加入到不饱和聚酯和有机硅树脂的混合物中,用高速分散剂搅拌3-8分钟,其余组分混合均匀后分成两等分,依次加入上述树脂中,每次加料后立即封闭搅拌7-15分钟,得到树脂胶液;然后用树脂胶液浸渍玻璃纤维毡布,以PET承载膜包覆,作为预浸料;预浸料置于30-50℃烘房里烘干10-20小时。
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