CN112063110A - 高稳定性分解式天窗加强板及其加工方法 - Google Patents
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Abstract
本发明公开了一种高稳定性分解式天窗加强板,包括由若干层剪裁后碳纤维布经模压制得的加强板本体,加强板本体包括以下重量份的各组分:碳纤维布75‑85份,环氧树脂10‑15份,石墨烯0.5‑1.5份,溶剂3‑5份,添加剂4‑6份;本发明还公开了一种高稳定性分解式天窗加强板的加工方法。本发明的天窗加强板具有优良的阻燃性和强度,且更轻量化、经济化,本发明公开的加工方法,操作简单方便,提高了生产效率。
Description
技术领域
本发明涉及一种高稳定性分解式天窗加强板及其加工方法,属于天窗加强板生产技术领域。
背景技术
汽车天窗加强板作为天窗的主要构件,在天窗结构中起到十分重要的作用;但现有天窗加强板耗材较多,导致其质量中且成本高,另外其性能也相对较差;且现有用于天窗加强板的加工方法,工序繁琐,降低了生产效率。
发明内容
为解决现有技术的不足,本发明提供一种高稳定性分解式天窗加强板及其加工方法,以解决背景技术中提到的问题。
本发明所采用的技术方案为:
高稳定性分解式天窗加强板,包括由若干层剪裁后碳纤维布经模压制得的加强板本体,加强板本体包括以下重量份的各组分:碳纤维布75-85份,环氧树脂 10-15份,石墨烯0.5-1.5份,溶剂 3-5份,添加剂 4-6份。
优选的是,溶剂为丙酮或无水乙醇。
进一步的优选,添加剂包括固化剂、消泡剂和改性剂,其中,固化剂、消泡剂和改性剂的质量比为3:1:1。
进一步的优选,改性剂为聚有机烷氧基硅氧烷或聚有机羟基硅氧烷。
进一步的优选,环氧树脂为缩水甘油醚型树脂、缩水甘油酯型树脂、脂环族环氧化合物和线性脂肪族环氧化合物中的任一种。
高稳定性分解式天窗加强板的加工方法,包括以下步骤:
步骤一:将石墨烯磨成粉,然后将石墨烯粉投入溶剂中超声处理使其混合均匀得到石墨烯浆液备用;
步骤二:将改性剂投入环氧树脂中混合均匀,得到树脂混合液备用;
步骤三:将石墨烯浆液加入树脂混合液中,在50-60℃下搅拌20-30min,然后待混合液温度降至室温后将混合液取出体积的四分之一备用,再将消泡剂以及固化剂投入余下的树脂混合液中,继续搅拌20-30min后得到石墨烯/环氧树脂上浆液;
步骤四:将剪裁后的碳纤维布浸泡在取出的四分之一混合液中;
步骤五:在模具内底部涂上脱模剂,然后按照生产需求将若干层浸泡后的碳纤维布层铺在模具内,然后注入定量的石墨烯/环氧树脂上浆液,再通过上模加热、加压压制固化,保压5-8min,然后将压制固化后的板材取出;
步骤六:对取出的板材进行开孔、打磨然后喷漆风干处理后封装保存即可。
优选的是,步骤五中加热温度为140-160℃。
进一步的优选,步骤五中加压压力为6-8Mpa。
本发明的有益效果在于:
采用石墨烯/环氧树脂符合材料,降低了生产成本,是加强板具有优良的阻燃性和强度,且更轻量化、经济化;本发明公开的加工方法,工序简单,操作方便,提高了生产效率。
具体实施方式
下面结合实施例对本发明做具体的介绍。
实施例1:本实施例是一种高稳定性分解式天窗加强板,包括由若干层剪裁后碳纤维布经模压制得的加强板本体,加强板本体包括以下重量份的各组分:碳纤维布75份,环氧树脂 10份,石墨烯 0.5份,溶剂 3份,添加剂 4份。
本实施例中,溶剂为丙酮。
本实施例中,添加剂包括固化剂、消泡剂和改性剂,其中,固化剂、消泡剂和改性剂的质量比为3:1:1。
本实施例中,改性剂为聚有机烷氧基硅氧烷。
本实施例中,环氧树脂为缩水甘油醚型树脂任一种。
高稳定性分解式天窗加强板的加工方法,包括以下步骤:
步骤一:将石墨烯磨成粉,然后将石墨烯粉投入溶剂中超声处理使其混合均匀得到石墨烯浆液备用;
步骤二:将改性剂投入环氧树脂中混合均匀,得到树脂混合液备用;
步骤三:将石墨烯浆液加入树脂混合液中,在50℃下搅拌20min,然后待混合液温度降至室温后将混合液取出体积的四分之一备用,再将消泡剂以及固化剂投入余下的树脂混合液中,继续搅拌20min后得到石墨烯/环氧树脂上浆液;
步骤四:将剪裁后的碳纤维布浸泡在取出的四分之一混合液中;
步骤五:在模具内底部涂上脱模剂,然后按照生产需求将若干层浸泡后的碳纤维布层铺在模具内,然后注入定量的石墨烯/环氧树脂上浆液,再通过上模加热、加压压制固化,保压5min,然后将压制固化后的板材取出;
步骤六:对取出的板材进行开孔、打磨然后喷漆风干处理后封装保存即可。
本实施例中,步骤五中加热温度为140℃。
本实施例中,步骤五中加压压力为6Mpa。
实施例2:本实施例是一种高稳定性分解式天窗加强板,包括由若干层剪裁后碳纤维布经模压制得的加强板本体,加强板本体包括以下重量份的各组分:碳纤维布80份,环氧树脂 12份,石墨烯 1份,溶剂 4份,添加剂 5份。
本实施例中,溶剂为无水乙醇。
本实施例中,添加剂包括固化剂、消泡剂和改性剂,其中,固化剂、消泡剂和改性剂的质量比为3:1:1。
本实施例中,改性剂为聚有机羟基硅氧烷。
本实施例中,环氧树脂为脂环族环氧化合物。
高稳定性分解式天窗加强板的加工方法,包括以下步骤:
步骤一:将石墨烯磨成粉,然后将石墨烯粉投入溶剂中超声处理使其混合均匀得到石墨烯浆液备用;
步骤二:将改性剂投入环氧树脂中混合均匀,得到树脂混合液备用;
步骤三:将石墨烯浆液加入树脂混合液中,在55℃下搅拌25min,然后待混合液温度降至室温后将混合液取出体积的四分之一备用,再将消泡剂以及固化剂投入余下的树脂混合液中,继续搅拌25min后得到石墨烯/环氧树脂上浆液;
步骤四:将剪裁后的碳纤维布浸泡在取出的四分之一混合液中;
步骤五:在模具内底部涂上脱模剂,然后按照生产需求将若干层浸泡后的碳纤维布层铺在模具内,然后注入定量的石墨烯/环氧树脂上浆液,再通过上模加热、加压压制固化,保压5-8min,然后将压制固化后的板材取出;
步骤六:对取出的板材进行开孔、打磨然后喷漆风干处理后封装保存即可。
本实施例中,步骤五中加热温度为150℃。
本实施例中,步骤五中加压压力为7Mpa。
实施例3:本实施例是一种高稳定性分解式天窗加强板,包括由若干层剪裁后碳纤维布经模压制得的加强板本体,加强板本体包括以下重量份的各组分:碳纤维布85份,环氧树脂 15份,石墨烯 1.5份,溶剂 5份,添加剂 6份。
本实施例中,溶剂为丙酮。
本实施例中,添加剂包括固化剂、消泡剂和改性剂,其中,固化剂、消泡剂和改性剂的质量比为3:1:1。
本实施例中,改性剂为聚有机烷氧基硅氧烷。
本实施例中,环氧树脂为线性脂肪族环氧化合物。
高稳定性分解式天窗加强板的加工方法,包括以下步骤:
步骤一:将石墨烯磨成粉,然后将石墨烯粉投入溶剂中超声处理使其混合均匀得到石墨烯浆液备用;
步骤二:将改性剂投入环氧树脂中混合均匀,得到树脂混合液备用;
步骤三:将石墨烯浆液加入树脂混合液中,在60℃下搅拌30min,然后待混合液温度降至室温后将混合液取出体积的四分之一备用,再将消泡剂以及固化剂投入余下的树脂混合液中,继续搅拌30min后得到石墨烯/环氧树脂上浆液;
步骤四:将剪裁后的碳纤维布浸泡在取出的四分之一混合液中;
步骤五:在模具内底部涂上脱模剂,然后按照生产需求将若干层浸泡后的碳纤维布层铺在模具内,然后注入定量的石墨烯/环氧树脂上浆液,再通过上模加热、加压压制固化,保压5-8min,然后将压制固化后的板材取出;
步骤六:对取出的板材进行开孔、打磨然后喷漆风干处理后封装保存即可。
本实施例中,步骤五中加热温度为160℃。
本实施例中,步骤五中加压压力为8Mpa。
本发明采用石墨烯/环氧树脂符合材料,降低了生产成本,是加强板具有优良的阻燃性和强度,且更轻量化、经济化;本发明公开的加工方法,工序简单,操作方便,提高了生产效率
以上所述仅是本发明专利的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明专利原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明专利的保护范围。
Claims (8)
1.高稳定性分解式天窗加强板,包括由若干层剪裁后碳纤维布经模压制得的加强板本体,其特征在于:所述加强板本体包括以下重量份的各组分:碳纤维布75-85份,环氧树脂10-15份,石墨烯 0.5-1.5份,溶剂 3-5份,添加剂 4-6份。
2.根据权利要求1所述的高稳定性分解式天窗加强板,其特征在于,所述溶剂为丙酮或无水乙醇。
3.根据权利要求1所述的高稳定性分解式天窗加强板,其特征在于,所述添加剂包括固化剂、消泡剂和改性剂,其中,固化剂、消泡剂和改性剂的质量比为3:1:1。
4.根据权利要求3所述的高稳定性分解式天窗加强板,其特征在于,所述改性剂为聚有机烷氧基硅氧烷或聚有机羟基硅氧烷。
5.根据权利要求1所述的高稳定性分解式天窗加强板,其特征在于,所述环氧树脂为缩水甘油醚型树脂、缩水甘油酯型树脂、脂环族环氧化合物和线性脂肪族环氧化合物中的任一种。
6.基于权利要求3所述的高稳定性分解式天窗加强板的加工方法,其特征在于,包括以下步骤:
步骤一:将石墨烯磨成粉,然后将石墨烯粉投入溶剂中超声处理使其混合均匀得到石墨烯浆液备用;
步骤二:将改性剂投入环氧树脂中混合均匀,得到树脂混合液备用;
步骤三:将石墨烯浆液加入树脂混合液中,在50-60℃下搅拌20-30min,然后待混合液温度降至室温后将混合液取出体积的四分之一备用,再将消泡剂以及固化剂投入余下的树脂混合液中,继续搅拌20-30min后得到石墨烯/环氧树脂上浆液;
步骤四:将剪裁后的碳纤维布浸泡在取出的四分之一混合液中;
步骤五:在模具内底部涂上脱模剂,然后按照生产需求将若干层浸泡后的碳纤维布层铺在模具内,然后注入定量的石墨烯/环氧树脂上浆液,再通过上模加热、加压压制固化,保压5-8min,然后将压制固化后的板材取出;
步骤六:对取出的板材进行开孔、打磨然后喷漆风干处理后封装保存即可。
7.根据权利要求6所述的高稳定性分解式天窗加强板的加工方法,其特征在于,步骤五中加热温度为140-160℃。
8.根据权利要求6所述的高稳定性分解式天窗加强板的加工方法,其特征在于,步骤五中加压压力为6-8Mpa。
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