CN106633672A - 复合环氧树脂板材及其成形方法 - Google Patents
复合环氧树脂板材及其成形方法 Download PDFInfo
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- CN106633672A CN106633672A CN201710008279.1A CN201710008279A CN106633672A CN 106633672 A CN106633672 A CN 106633672A CN 201710008279 A CN201710008279 A CN 201710008279A CN 106633672 A CN106633672 A CN 106633672A
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- powder
- sheet material
- epoxy resin
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- Reinforced Plastic Materials (AREA)
Abstract
本发明公开一种复合环氧树脂板材,其制备原料包括以下重量百分比的组分:废半固化片粉5%~100%,废电子线路板粉0%~95%。本发明采用废旧半固化片作为主要制备原料,不仅实现了对半固化片边角料的回收再利用,而且由于半固化片中环氧树脂的含量非常高,且环氧树脂具有优异的粘结强度,能够代替其它的胶水粘合剂,不仅减少了胶水粘合剂的使用,甚至不用添加胶水粘合剂,而且在成形过程中减少了混胶的时间,简化了成形工艺。
Description
技术领域
本发明属于非金属复合材料技术领域,具体涉及一种复合环氧树脂板材及其成形方法。
背景技术
板材按成形类型分可分为实木板、纤维板、刨花板等。强化板材是以一层或多层专用纸浸渍热固性氨基树脂,铺装在刨花板、纤维板等人造板基材表层,背面加平衡层、正面加耐磨层后,经热压成形的板材。这种强化板材由于价格实惠、防污、耐磨,且能印刷多种花色,所以已占很大市场份额。然而实木板和强化板材都有一个非常明显的缺点:当持续暴露于潮湿的环境中,其性能会变差,受潮湿会发生膨胀弯曲,导致表面不平整,甚至地板与地板之间出现缝隙,板材内的纤维板或刨花板会分解,从而造成永久的、不可修复的破坏。
同时,由于实木板和强化板材这些传统板材使用了木材,导致全球森林资源收到严重恶劣的砍伐,影响了全球生态环境的保护,现在全球木制品行业的产品每天都在涨价,限制了原来的木制品行业装饰材料的发展。
另一方面,随着工业生产的不断发展,节能环保、低碳排放等问题越来越被全球重视,半固化片(PP片)、电木、电子线路板、石材、PVC、PE、HDPE等工业生产边角料或打磨产生的粉料等废料的处理问题已成为当今社会急需解决的问题。
专利CN102686667B公开了一种利用废电子线路板粉制造的防水防火零碳生态板材及其制造工艺,其制备原料包括如下重量的百分比:废电子线路板粉70%~90%,酚醛树脂胶7%~12%,化学纤维3%~22%。该方案虽然能对废旧电子线路板进行回收,但是在成形过程中需要添加酚醛树脂胶作为胶水粘合剂才能复合成具有一定强度的板材。
发明内容
本发明的主要目的是提供一种复合环氧树脂板材,旨在解决现有的板材受潮湿容易分解变质性能差及现有的利用废电子线路板粉制造的板材成形工艺复杂的问题。
为实现上述目的,本发明提出一种复合环氧树脂板材,其制备原料包括以下重量百分比的组分:废半固化片粉5%~100%,废电子线路板粉0%~95%。
优选地,所述板材的制备原料还包括重量百分比为1%~90%的环氧塑料制品或酚醛塑料制品废料粉,且所有组分的百分比之和为100%。
优选地,所述板材的制备原料还包括重量百分比为1%~80%的石粉,且所有组分的百分比之和为100%,所述石粉由大理石开采或加工产生的废料制成。
优选地,所述板材的制备原料还包括重量百分比为1%~45%的PVC粉和/或PE粉和/或HDPE粉,且所有组分的百分比之和为100%。
优选地,所述板材的制备原料还包括重量百分比为1%~80%的秸秆竹木粉,且所有组分的百分比之和为100%,所述秸秆竹木粉为秸秆粉、木质锯粉或竹质锯粉中的一种或多种。
优选地,所述板材的制备原料还包括重量百分比为1%~20%的化工纤维粉,且所有组分的百分比之和为100%。
优选地,所述板材的制备原料还包括重量百分比为1%~80%的碳酸钙粉,且所有组分的百分比之和为100%。
优选地,所述板材的制备原料还包括重量百分比为0.01%~20%的铜粉,且所有组分的百分比之和为100%。
优选地,所述板材的制备原料还包括重量百分比为0.01%~20%的铝粉,且所有组分的百分比之和为100%。
优选地,所述板材的制备原料还包括重量百分比为1%~20%的胶水粘合剂,且所有组分的百分比之和为100%,所述胶水粘合剂包括酚醛树脂溶胶、环氧树脂溶胶、异氰酸酯溶胶、聚乙烯醇胶中的一种或多种。
优选地,所述板材的制备原料还包括重量百分比为1%~10%的添加剂,且所有组分的百分比之和为100%,所述添加剂为色粉、润滑剂、抗紫外线剂、抗氧化剂、增强剂、碳化物稳定剂、防霉剂、耦合剂中的一种或多种。
优选地,所述板材的制备原料包括以下重量百分比的组分:废半固化片粉5%~95%,废电子线路板粉1%~95%,环氧塑料制品或酚醛塑料制品废料粉1%~90%,石粉0%~80%,PVC粉和/或PE粉和/或HDPE粉0%~45%,铜粉0%~20%,铝粉0%~20%,色粉0%~5%,秸秆竹木粉0%~80%,化工纤维粉0%~20%,碳酸钙粉0%~80%,胶水粘合剂0%~20%,抗氧化剂0%~1%,增强剂0%~1%,碳化物稳定剂0%~1%,耦合剂0%~5%,其中所有组分的百分比之和为100%。
优选地,所述板材的制备原料包括以下重量百分比的组分:废半固化片粉5%~80%,废电子线路板粉1%~70%,环氧塑料制品或酚醛塑料制品废料粉1%~70%,石粉1%~50%,PVC粉和/或PE粉和/或HDPE粉1%~45%,铜粉0.01%~1%,铝粉0.01%~1%,色粉0.01%~1%,秸秆竹木粉1%~40%,化工纤维粉1%~20%,碳酸钙粉1%~10%,胶水粘合剂1%~10%,抗氧化剂0%~1%,增强剂0%~1%,碳化物稳定剂0%~1%,耦合剂0%~1%。
本发明还提出一种复合环氧树脂板材的成形方法,包括:
S1,将如上述任一项所述的复合环氧树脂板材的制备原料混合并搅拌均匀;
S2,压制成形,所述压制成形为:
S21,将步骤S1搅拌好的制备原料送入铺装机进行预压,制成板坯,然后将制好的板坯送入压机内压制成形,
或者,S22,将步骤S1搅拌好的制备原料送入挤出机内挤压成形,
或者,S23,将步骤S1搅拌好的制备原料先送入密炼机进行加热密炼,再送至压圆机压制成形;
S3,将步骤S2压制好的板材拉出后切边、堆放养生。
优选地,所述废半固化片粉的制备过程为:回收半固化片生产加工产生的边角料,经过破碎研磨、吸除金属后制成;所述废电子线路板粉的制备过程为:回收电子线路板生产加工产生的边角料以及废旧电子线路板,经过破碎研磨、吸除金属后制成;所述环氧塑料制品或酚醛塑料制品废料粉的制备过程为:回收废旧环氧塑料制品或酚醛塑料制品以及环氧塑料制品或酚醛塑料制品生产加工产生的边角料、打磨粉,经过破碎研磨、吸除金属后制成;
优选地,所述步骤S21中,将板坯送入压机内压制成形的步骤包括:
将板坯通过钢板或铝板或环氧树脂板承载送入压机内进行加压,压机通过导热油循环传热,加热温度为100℃~250℃,压机同步闭合加压0.5分钟~1分钟,然后静置1分钟~3分钟后进行2次补压,当补压时间持续4分钟~90分钟后排气泄压。
优选地,所述步骤S3,将板材拉出后切边、堆放养生的步骤之后还包括:S4,对板材进行砂光、检验、清洁、入库。
本发明还提出一种复合环氧树脂地板或装饰板,包括板芯、分别粘接于板芯两面的表面装饰层和平衡层,所述板芯为上述任一项所述的复合环氧树脂板材。
与现有技术相比,本发明技术方案的有益效果:
一、本发明主要采用废半固化片粉、废电子线路板粉制成,所述废半固化片来自半固化片生产加工产生的边角料废料,所述废电子线路板粉来自电子线路板生产加工产生的边角料废料,实现了对半固化片生产加工产生的边角料废料、电子线路板生产加工产生的边角料废料的回收再利用,解决了大量工业生产产生的废弃物。
二、本发明还采用环氧塑料制品或酚醛塑料制品废料粉制成,所述环氧塑料制品或酚醛塑料制品废料粉来自造船厂、环氧树脂模特制造厂、航空航天工厂、汽车制造厂、体育用品制造厂、电子电器制造厂产生的热固性塑料废弃物,包括边角料或打磨产生的粉料,实现了对任何环氧塑料制品或酚醛塑料制品废料的回收再利用。
三、由于半固化片主要由环氧树脂和玻璃纤维布或玻璃纤维网制成,且其中环氧树脂的含量占了20%-80%,半固化态的环氧树脂具有优异的粘结强度,受热压时会熔化从而与其他组分产生很好的结合力,能够带其它的胶水粘合剂,不仅减少了胶水粘合剂的使用,甚至不用添加胶水粘合剂。
四、所述废电子线路板粉也主要含有环氧树脂及玻璃纤维,所述酚醛树脂制品主要为酚醛树脂,环氧树脂、酚醛树脂和玻璃纤维使得所制得的板材具有较高的强度、韧性,还具有优良的耐热性、绝缘性、化学稳定性和尺寸稳定性,耐腐蚀。
五、本发明还采用石粉作为辅料使用,不仅实现了对大理石开采或加工过程中产生的废料的回收再利用,而且石粉能占据体积发挥作用,提高板材的刚性并降低成本,降低板材的收缩率,改善板材的力学性能,提高材料的硬度和比模量。
六、本发明还可以添加PVC、PE、HDPE热塑性塑料,能增加板材的机械强度和介电性能,并使板材的复合过程更加容易成型。
七、本发明采用碳酸钙粉用作填充剂,不仅能增加产品的体积、降低生产成本,而且能起到补强作用,并增加板材的尺寸稳定性。
八、本发明还可采用铜粉或铝粉作为填料加入制备原料中,所述铜粉的导热性能好,所述铝粉的防火性能好,均能提高板材的导热率。
九、本发明还可在制备原料中添加多种添加剂来改善板材性能,如:抗氧化剂能抑制板材在加工或应用过程中的老化,增强剂能提高树脂的分散性和流动性,碳化物稳定剂也是为了防止或抑制板材的老化,润滑剂能减少压制成形过程中粉料颗粒之间的互相摩擦,减轻脱模难度。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图示出的结构获得其他的附图。
图1为本发明提出的复合环氧树脂板材的成形方法的一实施例的工艺流程图。
图2为本发明提出的复合环氧树脂地板或装饰板的一实施例的结构示意图。
具体实施方式
下面结合附图对本发明的具体实施方式作进一步说明。在此需要说明的是,对于这些实施方式的说明用于帮助理解本发明,但并不构成对本发明的限定。此外,下面所描述的本发明各个实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互组合。
本发明提出一种复合环氧树脂板材,其制备原料包括以下重量百分比的组分:废半固化片粉5%~100%,废电子线路板粉0%~95%。
优选地,所述板材的制备原料还包括重量百分比为1%~90%的环氧塑料制品或酚醛塑料制品废料粉,且所有组分的百分比之和为100%。
本发明中所述废半固化片粉是指回收半固化片生产厂家、电子线路板生产厂家在半固化片裁边过程中产生的边料、角料或者库存过期半固化片废料制成的料粉,也可以是上述两种或三种的回收料经任意比例混合而成的料粉;所述废电子线路板粉是指电子线路板生产厂家在电路板裁边等加工工序中产生的边料、角料以及由于库存过期原因废弃的单面电路板、双面电路板、多层电路板、覆铜板经破碎、吸除金属后研磨成的非金属料粉,也可以是上述任两种以上的废电子线路板经任意比例混合而成的回收料粉;所述环氧塑料制品或酚醛塑料制品废料粉是指回收废弃环氧树脂制品或废弃酚醛塑料制品制成的料粉,包括:造船厂在船舶建造中采用纤维增强树脂塑料做结构材料或功能材料过程中产生的切割料或打磨粉,环氧树脂模特制造厂在服装模特道具生产中制坯和修坯产生的下脚料以及打磨产生的废料,航天航空工厂在采用环氧树脂复合材料或酚醛树脂复合材料做轻型飞机机体结构件或尾翼、卫星天线、防弹板、火箭喷管等零部件加工过程中产生的下脚料及打磨粉,汽车制造厂在采用纤维增强酚醛塑料或纤维增强环氧塑料制造车身、引擎盖或保险杠等汽车零部件过程中产生的下脚料及打磨粉,体育用品制造厂在生产滑雪板、高尔夫球杆、网球拍等环氧树脂塑料体育用品或酚醛树脂塑料体育用品过程中产生的下脚料及打磨粉,电子电器制造厂在生产轴承、风扇叶、电动工具外壳等电工结构材料或电气绝缘材料过程中产生的下脚料及打磨粉。
本发明主要采用废半固化片粉、废电子线路板粉制成,所述废半固化片来自半固化片生产加工产生的边角料废料,所述废电子线路板粉来自电子线路板生产加工产生的边角料废料,实现了对半固化片生产加工产生的边角料废料、电子线路板生产加工产生的边角料废料的回收再利用,解决了大量工业生产产生的废弃物。
本发明还采用环氧塑料制品或酚醛塑料制品废料粉制成,所述环氧塑料制品或酚醛塑料制品废料粉来自造船厂、环氧树脂模特制造厂、航空航天工厂、汽车制造厂、体育用品制造厂、电子电器制造厂产生的热固性塑料废弃物,包括边角料或打磨产生的粉料,实现了对任何环氧塑料制品或酚醛塑料制品废料的回收再利用。
同时,由于半固化片主要由环氧树脂和玻璃纤维布或玻璃纤维网制成,且其中环氧树脂的含量占了20%-80%,环氧树脂具有优异的粘结强度,受热压时会熔化从而与其他组分产生很好的结合力,能够带其它的胶水粘合剂,不仅减少了胶水粘合剂的使用,甚至不用添加胶水粘合剂。
再者,所述废电子线路板粉也主要含有环氧树脂及玻璃纤维,所述酚醛树脂制品主要为酚醛树脂,环氧树脂、酚醛树脂和玻璃纤维使得所制得的板材具有较高的强度、韧性,还具有优良的耐热性、绝缘性、化学稳定性和尺寸稳定性,耐腐蚀。
进一步地,所述板材的制备原料还包括重量百分比为1%~80%的石粉,且所有组分的百分比之和为100%,所述石粉由大理石开采或加工产生的废料制成。
采用石粉作为辅料使用,不仅实现了对大理石开采或加工过程中产生的废料的回收再利用,而且石粉能占据体积发挥作用,提高板材的刚性并降低成本,降低板材的收缩率,改善板材的力学性能,提高材料的硬度和比模量。
进一步地,所述板材的制备原料还包括重量百分比为1%~45%的PVC粉和/或PE粉和/或HDPE粉,且所有组分的百分比之和为100%。
所述PVC粉和/或PE粉和/或HDPE粉是PVC粉、PE粉、HDPE粉中的一种或多种。
所述PVC粉可以是PVC新料,还可以通过回收废旧的PVC塑料制成,所述PE粉可以是PE新料,还可以通过回收废旧的PE塑料制成,所述HDPE粉可以是HDPE新料,还可以通过回收废旧的HDPE制成,PVC、PE、HDPE均是热塑性塑料,能增加板材的机械强度和介电性能,在主要制备原料中加入PVC粉、PE粉或HDPE粉还能使板材的复合过程更加容易成型。
进一步地,所述板材的制备原料还包括重量百分比为1%~80%的秸秆竹木粉,且所有组分的百分比之和为100%,所述秸秆竹木粉为秸秆粉、木质锯粉或竹质锯粉中的一种或多种。
所述秸秆竹木粉经干燥控制水分含量不超过粉料的4%~10%,所述秸秆竹木粉实现了对农作物秸秆、木质锯粉、竹质锯粉的回收再利用,植物纤维、木质纤维和竹质纤维能提高板材的吸水率、抗胀缩率和抗压强度。
进一步地,所述板材的制备原料还包括重量百分比为1%~20%的化工纤维粉,且所有组分的百分比之和为100%。
所述化工纤维的添加用于提高板材的拉伸强度和弹性,还改善板材的耐热性和耐磨性,也能较少胶水的使用比例。
进一步地,所述板材的制备原料还包括重量百分比为1%~80%的碳酸钙粉,且所有组分的百分比之和为100%。
所述碳酸钙粉用作填充剂,不仅能增加产品的体积、降低生产成本,而且能起到补强作用,并增加板材的尺寸稳定性。
进一步地,所述板材的制备原料还包括重量百分比为0.01%~20%的铜粉,且所有组分的百分比之和为100%。
所述铜粉用于增加板材的导热性能,适用于生产地热地板。
进一步地,所述板材的制备原料还包括重量百分比为0.01%~20%的铝粉,且所有组分的百分比之和为100%。
所述铝粉用于增加板材的防火性能。
进一步地,所述板材的制备原料还包括重量百分比为1%~20%的胶水粘合剂,且所有组分的百分比之和为100%,所述胶水粘合剂包括酚醛树脂溶胶、环氧树脂溶胶、异氰酸酯溶胶、聚乙烯醇胶中的一种或多种。
根据特殊使用环境要求,可适量增加胶水粘合剂来提高板材的强度。
进一步地,所述板材的制备原料还包括重量百分比为1%~10%的添加剂,且所有组分的百分比之和为100%,所述添加剂为色粉、润滑剂、抗紫外线剂、抗氧化剂、增强剂、碳化物稳定剂、防霉剂、耦合剂中的一种或多种。
所述色粉用于调节板材的颜色,所述抗紫外线剂、抗氧化剂、增强剂、碳化物稳定剂、耦合剂均根据使用环境或产品特殊要求添加。
优选地,所述板材的制备原料包括以下重量百分比的组分:废半固化片粉5%~95%,废电子线路板粉1%~95%,环氧塑料制品或酚醛塑料制品废料粉1%~90%,石粉0%~80%,PVC粉和/或PE粉和/或HDPE粉0%~45%,铜粉0%~20%,铝粉0%~20%,色粉0%~5%,秸秆竹木粉0%~80%,化工纤维粉0%~20%,碳酸钙粉0%~80%,胶水粘合剂0%~20%,抗氧化剂0%~1%,增强剂0%~1%,碳化物稳定剂0%~1%,耦合剂0%~5%,其中所有组分的百分比之和为100%。
较佳地,所述板材的制备原料包括以下重量百分比的组分:废半固化片粉5%~80%,废电子线路板粉1%~70%,环氧塑料制品或酚醛塑料制品废料粉1%~70%,石粉1%~50%,PVC粉和/或PE粉和/或H DPE粉1%~45%,铜粉0.01%~1%,铝粉0.01%~1%,色粉0.01%~1%,秸秆竹木粉1%~40%,化工纤维粉1%~20%,碳酸钙粉1%~10%,胶水粘合剂1%~10%,抗氧化剂0%~1%,增强剂0%~1%,碳化物稳定剂0%~1%,耦合剂0%~1%。
图1为本发明提出的复合环氧树脂板材的成形方法的一实施例的工艺流程图。
参照图1,本发明提出一种复合环氧树脂板材的成形方法,包括:
S1,将上述任一项所述的复合环氧树脂板材的制备原料混合并搅拌均匀,
其中,所述废半固化片粉的制备过程为:回收半固化片生产加工产生的边角料,经过破碎研磨、吸除金属后制成;所述废电子线路板粉的制备过程为:回收电子线路板生产加工产生的边角料以及废旧电子线路板,经过破碎研磨、吸除金属后制成;所述环氧塑料制品或酚醛塑料制品废料粉的制备过程为:回收废旧环氧塑料制品或酚醛塑料制品以及环氧塑料制品或酚醛塑料制品生产加工产生的边角料、打磨粉,经过破碎研磨、吸除金属后制成;
通常地,不同厂家生产的所述半固化片中包含有重量比为20%~80%的半固化环氧树脂,最佳地,所述半固化片中包含有重量比为48%~80%的半固化环氧树脂。所述环氧塑料制品或酚醛塑料制品废料粉中含有重量比为40%~80%的热固酚醛树脂。在制造过程中,可根据不同来源的环氧塑料制品或酚醛塑料制品废料调节相应的添加比例。所述废电子线路板粉在添加之前需进行干燥,控制水分不超过4%~10%。
S2,压制成形,所述压制成形为:
S21,通过铺装设备把原料摊平成坯状,进行定厚,厚度为1mm至30mm之间的任意厚度,定密度为800kg/m3~2200kg/m3,定规格宽度为600mm~2440mm,定长度为800mm~4880mm,再进行预压,制成板坯,然后将制好的将板坯通过钢板或铝板或环氧树脂板承载送入压机内进行加压,压机通过导热油循环传热,加热温度为100℃~250℃,加压时间为0.5分钟~1分钟,然后静置1分钟~3分钟后进行2次补压,当补压时间持续4分钟~90分钟后排气泄压,从而压制成形;其中,所述压机可以为单层压机或多层压机,选用1000~5000吨压力,多层压机每层可同时压制1~3张板坯压机装载满板坯后同时进行加压,也可以为连续式压机,选用1~5000吨压力。
或者为,S22,将步骤S1搅拌好的制备原料送入挤出机内挤压成形;
或者为,S23,将步骤S1搅拌好的制备原料先送入密炼机进行加热密炼,再送至压圆机压制成形;
S3,将步骤S2压制好的板材拉出后切边、堆放养生。
具体地,所述切边包括横向切边和纵向切边,将所述板材切制成矩形板材。
S4,对板材进行砂光、检验、清洁、入库。
所述砂光是使板材表面光滑,检验板材光滑无破损,然后清洁,包装入库。
本发明由于采用了废半固化片作为主要制备原料,减少了甚至替代了溶胶的使用,只需将各种制备原料混合搅拌均匀即可,不用混入溶胶搅拌,简化了生产工序,生产效率高,制成的板材具有良好的尺寸稳定性和优异粘结强度。
图2为本发明提出的复合环氧树脂地板或装饰板的一实施例的结构示意图。
参照图2,本发明提出一种复合环氧树脂地板或装饰板,包括板芯1、分别粘接于板芯两面的表面装饰层3和平衡层6,所述板芯为上述任一项所述的复合环氧树脂板材。
将板芯1正面依次贴合上表面装饰层3和耐磨层2,反面依次贴合上平衡纸6和缓冲垫7,所述表面装饰层3通过粘合层5粘合到板芯1上,所述缓冲垫7通过粘合层5粘合到平衡纸6上。所述耐磨层2可以是含有三氧化二铝和聚氨酯的三聚氰胺树脂,也可以是UV油漆。所述粘合层5是PU胶粘剂或环氧树脂胶,还可以是热熔性粘胶或防水粘胶,PU胶粘剂耐火耐水,不会受潮湿影响板材质量。平衡纸6在板材上的主要作用是提高板材的力学性能,使板材不容易变形。缓冲垫7可以选用软木、橡胶或发泡胶,能提高脚感的舒适度。其中,所述表面装饰层为木皮或三聚氰胺纸或石料板或瓷砖或橡胶或油毡或防火板。
经过反复试验,得到以下原料配方表一满足生产需要。其中的数值为重量百分比记。
表一
采用上述比例配备原料制备的板材,经检测,规格尺寸为1220mm×2440mm×12mm的本复合环氧树脂板材的最佳性能参数能达到以下值:
性能 | 复合环氧树脂板材 |
洛氏硬度(HRC) | 105 |
弯曲强度(MPa) | 30 |
弯曲弹性模量(GPa) | 6 |
拉伸断裂应力(MPa) | 17 |
简支梁无缺口冲击强度(kj/m2) | 3.2(C) |
压缩强度(MPa) | 110 |
甲醛含量(mg/L) | 0.3 |
其中可以得出,本发明提出的复合环氧树脂板材的弯曲强度可以达到30MPa,弯曲弹性模量可以达到6GPa,相比于现有的普通型高密度纤维板的弯曲强度只能达到25MPa~27MPa、弯曲弹性模量只能达到4GPa~4.5GPa,本发明的复合环氧树脂板材的强度大大提高,且不易变形。
以上所述仅为本发明的优选实施例,并非因此限制本发明的专利范围,凡是在本发明的发明构思下,利用本发明说明书及附图内容所作的等效结构变换,或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。
Claims (18)
1.一种复合环氧树脂板材,其特征在于,所述板材的制备原料包括以下重量百分比的组分:废半固化片粉5%~100%,废电子线路板粉0%~95%。
2.如权利要求1所述的复合环氧树脂板材,其特征在于,所述板材的制备原料还包括重量百分比为1%~90%的环氧塑料制品或酚醛塑料制品废料粉,且所有组分的百分比之和为100%。
3.如权利要求1所述的复合环氧树脂板材,其特征在于,所述板材的制备原料还包括重量百分比为1%~80%的石粉,且所有组分的百分比之和为100%,所述石粉由大理石开采或加工产生的废料制成。
4.如权利要求1所述的复合环氧树脂板材,其特征在于,所述板材的制备原料还包括重量百分比为1%~45%的PVC粉和/或PE粉和/或HDPE粉,且所有组分的百分比之和为100%。
5.如权利要求1所述的复合环氧树脂板材,其特征在于,所述板材的制备原料还包括重量百分比为1%~80%的秸秆竹木粉,且所有组分的百分比之和为100%,所述秸秆竹木粉为秸秆粉、木质锯粉或竹质锯粉中的一种或多种。
6.如权利要求1所述的复合环氧树脂板材,其特征在于,所述板材的制备原料还包括重量百分比为1%~20%的化工纤维粉,且所有组分的百分比之和为100%。
7.如权利要求1所述的复合环氧树脂板材,其特征在于,所述板材的制备原料还包括重量百分比为1%~80%的碳酸钙粉,且所有组分的百分比之和为100%。
8.如权利要求1所述的复合环氧树脂板材,其特征在于,所述板材的制备原料还包括重量百分比为0.01%~20%的铜粉,且所有组分的百分比之和为100%。
9.如权利要求1所述的复合环氧树脂板材,其特征在于,所述板材的制备原料还包括重量百分比为0.01%~20%的铝粉,且所有组分的百分比之和为100%。
10.如权利要求1所述的复合环氧树脂板材,其特征在于,所述板材的制备原料还包括重量百分比为1%~20%的胶水粘合剂,且所有组分的百分比之和为100%,所述胶水粘合剂包括酚醛树脂溶胶、环氧树脂溶胶、异氰酸酯溶胶、聚乙烯醇胶中的一种或多种。
11.如权利要求1所述的复合环氧树脂板材,其特征在于,所述板材的制备原料还包括重量百分比为1%~10%的添加剂,且所有组分的百分比之和为100%,所述添加剂为色粉、润滑剂、抗紫外线剂、抗氧化剂、增强剂、碳化物稳定剂、防霉剂、耦合剂中的一种或多种。
12.如权利要求1所述的复合环氧树脂板材,其特征在于,所述板材的制备原料包括以下重量百分比的组分:
废半固化片粉5%~95%,
废电子线路板粉1%~95%,
环氧塑料制品或酚醛塑料制品废料粉1%~90%,
石粉0%~80%,
PVC粉和/或PE粉和/或HDPE粉0%~45%,
铜粉0%~20%,
铝粉0%~20%,
色粉0%~5%,
秸秆竹木粉0%~80%,
化工纤维粉0%~20%,
碳酸钙粉0%~80%,
胶水粘合剂0%~20%,
抗氧化剂0%~1%,
增强剂0%~1%,
碳化物稳定剂0%~1%,
耦合剂0%~5%,
其中所有组分的百分比之和为100%。
13.如权利要求12所述的复合环氧树脂板材,其特征在于,所述板材的制备原料包括以下重量百分比的组分:
废半固化片粉5%~80%,
废电子线路板粉1%~70%,
环氧塑料制品或酚醛塑料制品废料粉1%~70%,
石粉1%~50%,
PVC粉和/或PE粉和/或HDPE粉1%~45%,
铜粉0.01%~1%,
铝粉0.01%~1%,
色粉0.01%~1%,
秸秆竹木粉1%~40%,
化工纤维粉1%~20%,
碳酸钙粉1%~10%,
胶水粘合剂1%~10%,
抗氧化剂0%~1%,
增强剂0%~1%,
碳化物稳定剂0%~1%,
耦合剂0%~1%。
14.一种复合环氧树脂板材的成形方法,其特征在于,包括下述步骤:
S1,将如权利要求1-13任一项所述的复合环氧树脂板材的制备原料混合并搅拌均匀;
S2,压制成形,所述压制成形为:
S21,将步骤S1搅拌好的制备原料送入铺装机进行预压,制成板坯,然后将制好的板坯送入压机内压制成形,
或者,S22,将步骤S1搅拌好的制备原料送入挤出机内挤压成形,
或者,S23,将步骤S1搅拌好的制备原料先送入密炼机进行加热密炼,再送至压圆机压制成形;
S3,将步骤S2压制好的板材拉出后切边、堆放养生。
15.如权利要求14所述的复合环氧树脂板材的成形方法,其特征在于,所述步骤S1中:
所述废半固化片粉的制备过程为:回收半固化片生产加工产生的边角料,经过破碎研磨、吸除金属后制成;所述废电子线路板粉的制备过程为:回收电子线路板生产加工产生的边角料以及废旧电子线路板,经过破碎研磨、吸除金属后制成;所述环氧塑料制品或酚醛塑料制品废料粉的制备过程为:回收废旧环氧塑料制品或酚醛塑料制品以及环氧塑料制品或酚醛塑料制品生产加工产生的边角料、打磨粉,经过破碎研磨、吸除金属后制成。
16.如权利要求14所述的复合环氧树脂板材的成形方法,其特征在于,所述步骤S21中,将板坯送入压机内压制成形的步骤包括:
将板坯通过钢板或铝板或环氧树脂板承载送入压机内进行加压,压机通过导热油循环传热,加热温度为100℃~250℃,压机同步闭合加压0.5分钟~1分钟,然后静置1分钟~3分钟后进行2次补压,当补压时间持续4分钟~90分钟后排气泄压。
17.如权利要求14所述的复合环氧树脂板材的成形方法,其特征在于,所述步骤S3,将板材拉出后切边、堆放养生的步骤之后还包括:
S4,对板材进行砂光、检验、清洁、入库。
18.一种复合环氧树脂地板或装饰板,包括板芯、分别粘接于板芯两面的表面装饰层和平衡层,其特征在于,所述板芯为权利要求1至13任一项所述的复合环氧树脂板材。
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US20170298639A1 (en) | 2017-10-19 |
CA2973281C (en) | 2019-03-05 |
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