CN117304562B - 一种合成树脂层状材料及制备方法 - Google Patents
一种合成树脂层状材料及制备方法 Download PDFInfo
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- CN117304562B CN117304562B CN202311585094.9A CN202311585094A CN117304562B CN 117304562 B CN117304562 B CN 117304562B CN 202311585094 A CN202311585094 A CN 202311585094A CN 117304562 B CN117304562 B CN 117304562B
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Abstract
本发明提供了一种合成树脂层状材料及制备方法。制备方法包括:分别制备发泡主体层、聚氨酯表层涂覆料、网格纤维层和聚氨酯背层涂覆料;在发泡主体层的任一侧表面涂覆施加聚氨酯表层涂覆料,待干燥后形成聚氨酯表层;在发泡主体层的另一侧表面覆盖网格纤维层,并涂覆施加聚氨酯背层涂覆料,待干燥后形成将发泡主体层和网格纤维层粘接的聚氨酯背层。其中,发泡主体层的原料包括无机填料、聚氯乙烯和聚酰亚胺。本发明通过以聚氯乙烯和聚酰亚胺为原料制备发泡主体层,并在发泡主体层中添加无机填料的技术方案,提高了合成树脂层状材料的机械强度和防火阻燃性能。
Description
技术领域
本发明涉及层状聚合物材料制备的技术领域,具体而言,涉及一种合成树脂层状材料及制备方法。
背景技术
随着近年来人们生活水平的提高,汽车已经进入普通家庭,围绕汽车配套的周边产品需求也逐步提升。汽车座椅通常采用皮革或人造皮革材质。人造皮革是在纺织布或纤维层的基础上,由各种不同配方的聚合物材料发泡或覆膜加工制作而成的产品,其具有花色品种繁多和成本低廉的特点。
目前市场上的人造皮革汽车座椅主要为聚氯乙烯材质,聚氨酯覆膜的产品。本领域技术人员对此类产品的研究目前主要集中于对其舒适性能、耐脏污性能、抗老化性能等方面的改善。
比如,授权公告号为CN115260941B的中国专利公开了一种耐脏污的汽车内饰用皮具,其包括中间层、背面涂覆层和表皮涂覆层。表皮涂覆层由表面涂覆剂干燥制得。表面涂覆剂包括如下原料:水性聚氨酯处理剂、交联剂、耐磨助剂。中间层包括聚氯乙烯发泡体、稳定剂和阻燃剂。聚氯乙烯发泡体由聚氯乙烯、发泡剂和成核剂共同制成。该方案通过对成核剂中滑石粉和硅灰石的质量比调节,使得中间层内生成的气泡致密均匀,由此提高产品的舒适度。
现有技术中存在的其中一项不足是:对于此类产品而言,其出于提高机械强度的需求,需要添加无机填料,而由于无机填料与聚合物之间的理化性能差异,会导致无机填料容易团聚和分散不均,因此此类产品在长期使用后,容易开裂或老化。
发明内容
为解决上述问题,本发明提供一种合成树脂层状材料及制备方法,该制备方法包括:
S100、分别制备发泡主体层、聚氨酯表层涂覆料、网格纤维层和聚氨酯背层涂覆料;
S200、在发泡主体层的任一侧表面涂覆施加聚氨酯表层涂覆料,待干燥后形成聚氨酯表层;
S300、在发泡主体层的另一侧表面覆盖网格纤维层,并涂覆施加聚氨酯背层涂覆料,待干燥后形成将发泡主体层和网格纤维层粘接的聚氨酯背层;
发泡主体层通过以下步骤制备:
S111、将乙醇和联苯基四羧基二酐在N,N-二甲基甲酰胺中混合均匀,在65℃至70℃的温度条件下加热回流2h至2.5h,获得酯化溶液;
S112、称取十二烷基苯磺酸钠、三乙醇胺和对苯二胺,加入酯化溶液中,搅拌反应4h至6h,获得前驱体溶液;
S113、称取偶氮二甲酰胺和无机填料,加入前驱体溶液中,搅拌反应3h至5h,蒸馏去除多余溶剂并烘干,获得发泡粉体;
S114、将发泡粉体加热至320℃至340℃,以进行热亚胺化处理,冷却后研磨粉碎并过筛,获得粉末状的聚酰亚胺;
S115、将偶联剂、分散剂、聚酰亚胺和聚氯乙烯投入混炼机中混炼处理、挤出、冷却、定型,获得发泡主体层;
无机填料通过以下步骤制备:
S410、按氧化锂:氧化硼:氧化铋:氧化锗:氧化钒:氧化碲=(4-6):(6-8):(6-8):(15-20):(20-25):(40-45)的质量比称料混合,获得基质;
S420、将基质加热至860℃至880℃并保温2h至2.5h,获得玻璃液;
S430、将玻璃液进行水淬、研磨、获得无机填料。
在上述任一技术方案中,在S111中,按质量比计,乙醇:联苯基四羧基二酐:N,N-二甲基甲酰胺=(4-6):(20-30):100。
在上述任一技术方案中,在S112中,按质量比计,十二烷基苯磺酸钠:三乙醇胺:对苯二胺:联苯基四羧基二酐=(1-2):(1-2):(20-30):(20-30)。
在上述任一技术方案中,在S113中,按质量比计,偶氮二甲酰胺:无机填料:联苯基四羧基二酐=(0.5-1):(10-12):(20-30)。
在上述任一技术方案中,在S115中,按质量比计,偶联剂:分散剂:聚酰亚胺粉末:聚氯乙烯=(2-4):(2-4):(30-40):100。
在上述任一技术方案中,在S114中,热亚胺化处理包括:将发泡粉体先加热至170℃至190℃并保温0.5h至1h,再加热至320℃至340℃并保温3h至4h。
在上述任一技术方案中,在S114中,通过过筛,将聚酰亚胺粉末的粒径限制为20μm至80μm。
在上述任一技术方案中,在S115中,混炼处理包括:以140℃至160℃的温度条件混炼20min至40min。
在上述任一技术方案中,在S430中,通过研磨,将无机填料的粒径限制为10μm至20μm。
在上述任一技术方案中,无机填料的软化温度为325℃至335℃。
在上述任一技术方案中,无机填料的热膨胀系数为6.6×10-6/℃至6.9×10-6/℃。
本发明还提供一种合成树脂层状材料,合成树脂层状材料采用如上述任一技术方案的制备方法获得。
有益效果
本发明提供了一种合成树脂层状材料及制备方法。该制备方法首先分别制备发泡主体层、聚氨酯表层涂覆料、网格纤维层和聚氨酯背层涂覆料。进而在发泡主体层的任一侧表面涂覆施加聚氨酯表层涂覆料,待干燥后形成聚氨酯表层。最后在发泡主体层的另一侧表面覆盖网格纤维层,并涂覆施加聚氨酯背层涂覆料,待干燥后形成将发泡主体层和网格纤维层粘接的聚氨酯背层。本发明的发泡主体层的原料包括无机填料、聚氯乙烯和聚酰亚胺。发泡主体层通过以下步骤制备:将乙醇和联苯基四羧基二酐在N,N-二甲基甲酰胺中混合均匀,加热回流,获得酯化溶液;称取十二烷基苯磺酸钠、三乙醇胺和对苯二胺,加入酯化溶液中,搅拌反应,获得前驱体溶液;称取偶氮二甲酰胺和无机填料,加入前驱体溶液中,搅拌反应,蒸馏去除多余溶剂并烘干,获得发泡粉体;将发泡粉体进行热亚胺化处理,获得粉末状的聚酰亚胺;将偶联剂、分散剂、聚酰亚胺和聚氯乙烯投入混炼机中混炼处理、挤出、冷却、定型,获得发泡主体层。上述步骤采用的无机填料通过以下步骤制备:先采用氧化锂、氧化硼、氧化铋、氧化锗、氧化钒和氧化碲为原料制备基质;再将基质加热保温,获得玻璃液;最后将玻璃液进行水淬、研磨、获得无机填料。以上方式获得的金属氧化物玻璃形态的无机填料不仅能够提高合成树脂层状材料的机械强度,还能够与树脂聚合物材料紧密结合、均匀分散,由此提高产品的质量和使用寿命。
具体实施方式
为使本发明的上述目的、特征和优点能够更为明显易懂,下面结合本发明的具体实施例做详细的说明。
如无特别说明,本发明所用的试剂和原材料都可通过商业途径购买。下列实施例中未注明具体条件的实验方法,按照常规方法和条件,或按照商品说明书选择。
本发明实施例提供了一种合成树脂层状材料的制备方法,制备方法包括:
S100、分别制备发泡主体层、聚氨酯表层涂覆料、网格纤维层和聚氨酯背层涂覆料;
S200、在发泡主体层的任一侧表面涂覆施加聚氨酯表层涂覆料,待干燥后形成聚氨酯表层;
S300、在发泡主体层的另一侧表面覆盖网格纤维层,并涂覆施加聚氨酯背层涂覆料,待干燥后形成将发泡主体层和网格纤维层粘接的聚氨酯背层。
本发明制备获得的合成树脂层状材料可用于制造人造皮革汽车座椅。其中,发泡主体层可以模仿皮革的质感和手感。聚氨酯表层和聚氨酯背层用于提高发泡主体层的防水和耐脏效果。网格纤维层与发泡主体层之间通过聚氨酯背层相互粘接。
在本发明中,发泡主体层采用聚氯乙烯制备的。聚氯乙烯又称PVC,是由氯乙烯单体在过氧化物、偶氮化合物等引发剂或在光、热作用下按自由基聚合反应机理聚合而成的聚合物。聚氯乙烯的特点是易于加工制造、成本低廉,并且阻燃性能较好。然而,聚氯乙烯的缺点是其热稳定性较差,长时间的高温环境会导致其分解和变色,并且聚氯乙烯在硬度、拉伸强度等方面的机械性能也不够理想。为此,本发明采用聚氯乙烯和聚酰亚胺共同制备发泡主体层。聚酰亚胺的耐热性能和机械性能更好,还具有良好的高温阻隔性、抗冲击性和韧性。
具体而言,本发明的发泡主体层通过以下步骤制备:
S111、按乙醇:联苯基四羧基二酐:N,N-二甲基甲酰胺=(4-6):(20-30):100的质量比,将乙醇和联苯基四羧基二酐在N,N-二甲基甲酰胺中混合均匀,在65℃至70℃的温度条件下加热回流2h至2.5h,获得酯化溶液;
S112、按十二烷基苯磺酸钠:三乙醇胺:对苯二胺:联苯基四羧基二酐=(1-2):(1-2):(20-30):(20-30)的质量比,称取十二烷基苯磺酸钠、三乙醇胺和对苯二胺,加入酯化溶液中,搅拌反应4h至6h,获得前驱体溶液;
S113、按偶氮二甲酰胺:无机填料:联苯基四羧基二酐=(0.5-1):(10-12):(20-30)的质量比,称取偶氮二甲酰胺和无机填料,加入前驱体溶液中,搅拌反应3h至5h,蒸馏去除多余溶剂并烘干,获得发泡粉体;
S114、将发泡粉体先加热至170℃至190℃并保温0.5h至1h,再加热至320℃至340℃并保温3h至4h,以进行热亚胺化处理,冷却后研磨粉碎并过筛,获得20μm至80μm的粉末状的聚酰亚胺;
S115、按偶联剂:分散剂:聚酰亚胺粉末:聚氯乙烯=(2-4):(2-4):(30-40):100的质量比,将偶联剂、分散剂、聚酰亚胺和聚氯乙烯投入混炼机中以140℃至160℃的温度条件混炼20min至40min,挤出、冷却、定型,获得发泡主体层。
在上述步骤中,十二烷基苯磺酸钠作为表面活性剂,三乙醇胺作为反应的催化剂,偶氮二甲酰胺作为发泡剂。为了制备聚氯乙烯和聚酰亚胺复合的发泡主体层,本发明需要先采用二酐单体和二胺单体为原料,制备发泡状态的前驱体材料;再对其进行热亚胺化处理,由此获得聚酰亚胺;最后将聚酰亚胺与聚氯乙烯混合均匀,混炼并挤出,获得发泡主体层。其中,以上的热亚胺化处理通常需要300℃至350℃的温度条件,优选320℃至340℃的温度条件。
本发明在发泡主体层中还添加了无机填料。无机填料的作用是进一步增强发泡主体层的机械性能,尤其是硬度和拉伸强度。在现有技术中,一般选择一种或多种的金属氧化物材料作为无机填料,比如:氧化硅、氧化铝、氧化锆、氧化锌等。也可以选择氮化硅、碳化硅等化合物,或者蒙脱石、云母岩等天然矿物。还可以选择研磨粉碎后的玻璃粉或陶瓷粉。
可以理解,对于无机和有机复合的材料而言,无机填料种类及配比的选择,会对有机聚合物的理化性能产生较大的影响。其中,蒙脱石或云母岩一般用于提高有机聚合物的防火阻燃性能,金属氧化物、玻璃粉或陶瓷粉一般用于提高有机聚合物在机械强度方面的性能。
以上无机填料普遍存在的问题是,其与有机聚合物之前的理化属性差异较大,尤其是表面能的差异,使得无机填料在有机聚合物之中难以均匀稳定地分散,容易团聚或分层。这一问题导致了添加有无机填料的复合材料(尤其是人造皮革)容易在长期使用之后老化甚至开裂。
为了解决上述问题,本发明采用的无机填料通过以下步骤制备:
S410、按氧化锂:氧化硼:氧化铋:氧化锗:氧化钒:氧化碲=(4-6):(6-8):(6-8):(15-20):(20-25):(40-45)的质量比称料混合,获得基质;
S420、将基质加热至860℃至880℃并保温2h至2.5h,获得玻璃液;
S430、将玻璃液进行水淬、研磨、获得粒径为10μm至20μm的无机填料。
也就是说,本发明采用的无机填料是金属氧化物玻璃在研磨之后获得的玻璃粉。在基质构成方面,该玻璃粉为碲酸盐玻璃。碲酸盐玻璃由于具有较高的折射率和光学特性,一般作为光学玻璃使用。在本发明中,则选择利用碲酸盐玻璃熔融温度、玻璃化温度和软化温度都较低的性能,采用其作为无机填料。
具体而言,碲酸盐玻璃的耐腐蚀和机械强度符合作为无机填料的要求,在此基础上,如上文所述,由于热亚胺化处理通常需要300℃至350℃左右的温度条件,因此本发明致力于采用玻璃化温度和软化温度能够低于350℃的玻璃粉作为无机填料,具备以上热学性能的玻璃粉可以在热亚胺化处理的工艺过程中由细小颗粒的形态变形为无固定形态的接近融化(或软化)的状态,由此实现无机填料与聚酰亚胺的充分混合。具体到本发明中,对于添加有无机填料的发泡粉体而言,其在320℃至340℃的热亚胺化处理工艺中,软化的无机填料可与发泡粉体中的有机原料充分且均匀地混合相容,由此使得无机填料在有机聚合物之均匀稳定地分散,避免团聚或分层。并且,无机填料与聚酰亚胺的充分混合降低了无机填料的表面能,促使在下一步的与聚氯乙烯混合工艺中,也能够实现无机填料与聚氯乙烯有机聚合物的均匀混合,由此避免发泡主体层在长期使用之后老化甚至开,提高产品的使用寿命。
在此基础上,为了保证和改善产品的机械性能,尤其是韧性、抗冲击性和抗拉强度,本发明对碲酸盐玻璃的成分进行了进一步改善。首先,根据对金属氧化物玻璃成形区的研究,本发明设计了钒碲酸盐玻璃组分。考虑到碲酸盐玻璃不易成形,本发明添加了玻璃成形能力较大的氧化钒来降低工艺难度。其次,考虑到碲酸盐玻璃在熔融状态下粘度低,冷却后脆性较大的特点,本发明在碲酸盐玻璃基质中添加了氧化锗,来提高玻璃粘度和机械性能。氧化硼用于提高玻璃的低温粘度,并具有良好的助熔性。此外,氧化硼和氧化铋均能够降低玻璃熔点。通过以上的玻璃粉配方设计,可以获得满足一定机械性能要求,热膨胀系数低(具体热膨胀系数为6.5×10-6/℃至7.0×10-6/℃)并且软化和玻璃化温度低的玻璃粉无机填料(具体软化温度为不超过340℃),用以与本发明后续的热亚胺化处理工艺相互配合,避免发泡主体层在长期使用之后老化甚至开,提高产品的使用寿命。
实施例1
本实施例制备了一种用于作为合成树脂层状材料中无机填料的玻璃粉,其具体制备方式如下:
S1、按氧化锂:氧化硼:氧化铋:氧化锗:氧化钒:氧化碲=4:6:6:15:25:44的质量比称料,采用玛瑙研钵将原料混合均匀,获得基质;
S2、将基质置于坩埚,由室温升温加热至860℃并保温2.5h,获得玻璃液;
S3、将玻璃液倒出进行水淬,获得玻璃体,对玻璃体烘干之后进行研磨,获得10μm至20μm的玻璃粉。
实施例2
本实施例制备了一种用于作为合成树脂层状材料中无机填料的玻璃粉,其具体制备方式如下:
S1、按氧化锂:氧化硼:氧化铋:氧化锗:氧化钒:氧化碲=4:6:6:20:24:40的质量比称料,采用玛瑙研钵将原料混合均匀,获得基质;
S2、将基质置于坩埚,由室温升温加热至880℃并保温2h,获得玻璃液;
S3、将玻璃液倒出进行水淬,获得玻璃体,对玻璃体烘干之后进行研磨,获得10μm至20μm的玻璃粉。
实施例3
本实施例制备了一种用于作为合成树脂层状材料中发泡主体层的聚合物,其具体制备方式如下:
S1、按乙醇:联苯基四羧基二酐:N,N-二甲基甲酰胺=5:25:100的质量比,将乙醇和联苯基四羧基二酐在N,N-二甲基甲酰胺中混合均匀,在65℃的温度条件下加热回流2.5h,获得酯化溶液;
S2、按十二烷基苯磺酸钠:三乙醇胺:对苯二胺:联苯基四羧基二酐=1:1:25:25的质量比,称取十二烷基苯磺酸钠、三乙醇胺和对苯二胺,加入酯化溶液中,搅拌反应4h至6h,获得前驱体溶液;
S3、按偶氮二甲酰胺:无机填料:联苯基四羧基二酐=0.5:10:25的质量比,称取偶氮二甲酰胺和实施例1制备的玻璃粉无机填料,加入前驱体溶液中,搅拌反应4h,蒸馏去除多余溶剂并烘干,获得发泡粉体;
S4、将发泡粉体先加热至180℃并保温0.5h,再加热至340℃并保温3h,以进行热亚胺化处理,冷却后研磨粉碎并过筛,获得20μm至80μm的粉末状的聚酰亚胺;
S5、按偶联剂:分散剂:聚酰亚胺粉末:聚氯乙烯=3:2:35:100的质量比,将偶联剂、分散剂、聚酰亚胺和聚氯乙烯投入混炼机中以150℃的温度条件混炼30min,挤出、冷却、定型,获得作为发泡主体层的聚合物。
实施例4
本实施例制备了一种用于作为合成树脂层状材料中发泡主体层的聚合物材料,其具体制备方式与实施例3相同,区别在于所采用的无机填料为实施例2制备的玻璃粉无机填料。
实施例5
本实施例制备了一种用于作为合成树脂层状材料的表层涂覆料或背层涂覆料的聚氨酯聚合物,其具体制备方式如下:
S1、按聚酯多元醇:十二烷基苯磺酸钠:异辛酸亚锡:1,2,5-戊三醇=92:4:2:2的质量比称料,并搅拌混合均匀,获得第一物料;
S2、按异氰酸酯:第一物料 =1:1的质量比,将异氰酸酯与第一物料混合,氮气氛围下于75℃聚合反应4h,待NCO值保持恒定后停止反应,得到聚氨酯聚合物。
实施例6
本实施例制备了一种合成树脂层状材料,其具体制备方式如下:
S1、以通过实施例3获得的聚合物作为发泡主体层,以通过实施例5获得的聚氨酯聚合物作为聚氨酯表层涂覆料和聚氨酯背层涂覆料,在发泡主体层的任一侧表面涂覆施加聚氨酯表层涂覆料并干燥;
S2、在发泡主体层的另一侧表面覆盖商业采购获得的尼龙材料的网格纤维层,进而涂覆施加聚氨酯背层涂覆料并干燥。
实施例7
本实施例制备了一种合成树脂层状材料,其具体制备方式与实施例6相同,区别在于所采用的发泡主体层为通过实施例4获得的聚合物。
性能测试
采用差热分析仪测试获得实施例1制备的玻璃粉的玻璃转变温度为315.5℃,软化温度为326℃,实施例2制备的玻璃粉的玻璃转变温度为324.5℃,软化温度为332.5℃。
将实施例1和实施例2的玻璃体进行切割打磨等试样处理,以采用热膨胀系数测试仪测试其热膨胀系数。实施例1试样的热膨胀系数为6.6×10-6/℃,实施例2试样的热膨胀系数为6.9×10-6/℃。
将实施例1和实施例2的玻璃体进行切割打磨等试样处理,测试其维氏硬度。实施例1试样的维氏硬度为568kgf/mm2,实施例2试样的维氏硬度为593kgf/mm2。
参照GB/T2411-2008对实施例6和实施例7的合成树脂层状材料进行硬度测试,实施例6试样的邵氏硬度为65,实施例7试样的邵氏硬度为68。
参照GB-T7142-2002对实施例6和实施例7的合成树脂层状材料进行热学稳定性测试,实施例6试样的极限温度为232℃,实施例7试样的极限温度为251℃。
虽然本发明披露如上,但本发明并非限定于此。任何本领域技术人员,在不脱离本发明的精神和范围内,均可作各种更动与修改,因此本发明的保护范围应当以权利要求所限定的范围为准。
Claims (6)
1.一种合成树脂层状材料的制备方法,其特征在于,所述制备方法包括:
S100、分别制备发泡主体层、聚氨酯表层涂覆料、网格纤维层和聚氨酯背层涂覆料;
S200、在所述发泡主体层的任一侧表面涂覆施加所述聚氨酯表层涂覆料,待干燥后形成聚氨酯表层;
S300、在所述发泡主体层的另一侧表面覆盖所述网格纤维层,并涂覆施加所述聚氨酯背层涂覆料,待干燥后形成将所述发泡主体层和所述网格纤维层粘接的聚氨酯背层;
所述发泡主体层通过以下步骤制备:
S111、将乙醇和联苯基四羧基二酐在N,N-二甲基甲酰胺中混合均匀,在65℃至70℃的温度条件下加热回流2h至2.5h,获得酯化溶液;
S112、称取十二烷基苯磺酸钠、三乙醇胺和对苯二胺,加入所述酯化溶液中,搅拌反应4h至6h,获得前驱体溶液;
S113、称取偶氮二甲酰胺和无机填料,加入所述前驱体溶液中,搅拌反应3h至5h,蒸馏去除多余溶剂并烘干,获得发泡粉体;
S114、将所述发泡粉体加热至320℃至340℃,以进行热亚胺化处理,冷却后研磨粉碎并过筛,获得粉末状的聚酰亚胺;
S115、将偶联剂、分散剂、所述聚酰亚胺和聚氯乙烯投入混炼机中混炼处理、挤出、冷却、定型,获得所述发泡主体层;
S113中所述无机填料通过以下步骤制备:
S410、按氧化锂:氧化硼:氧化铋:氧化锗:氧化钒:氧化碲=(4-6):(6-8):(6-8):(15-20):(20-25):(40-45)的质量比称料混合,获得基质;
S420、将所述基质加热至860℃至880℃并保温2h至2.5h,获得玻璃液;
S430、将所述玻璃液进行水淬、研磨、获得所述无机填料;
在S114中,所述热亚胺化处理包括:将所述发泡粉体先加热至170℃至190℃并保温0.5h至1h,再加热至320℃至340℃并保温3h至4h;
所述无机填料的软化温度为325℃至335℃;
所述无机填料的热膨胀系数为6.6×10-6/℃至6.9×10-6/℃。
2.根据权利要求1所述的制备方法,其特征在于,
在S111中,按质量比计,乙醇:联苯基四羧基二酐:N,N-二甲基甲酰胺=(4-6):(20-30):100;和/或
在S112中,按质量比计,十二烷基苯磺酸钠:三乙醇胺:对苯二胺:联苯基四羧基二酐=(1-2):(1-2):(20-30):(20-30);和/或
在S113中,按质量比计,偶氮二甲酰胺:无机填料:联苯基四羧基二酐=(0.5-1):(10-12):(20-30);和/或
在S115中,按质量比计,偶联剂:分散剂:聚酰亚胺粉末:聚氯乙烯=(2-4):(2-4):(30-40):100。
3.根据权利要求1所述的制备方法,其特征在于,
在S114中,通过所述过筛,将所述聚酰亚胺粉末的粒径限制为20μm至80μm。
4.根据权利要求1所述的制备方法,其特征在于,
在S115中,所述混炼处理包括:以140℃至160℃的温度条件混炼20min至40min。
5.根据权利要求1至4中任一项所述的制备方法,其特征在于,
在S430中,通过所述研磨,将所述无机填料的粒径限制为10μm至20μm。
6.一种合成树脂层状材料,其特征在于,所述合成树脂层状材料采用如权利要求1至5中任一项所述的制备方法获得。
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