CN108752830A - 一种皮雕发泡材料的制备方法 - Google Patents
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Abstract
本发明公开了一种皮雕发泡材料的制备方法,该方法包括如下步骤:将EVA树脂、可溶性淀粉接枝醋酸乙烯酯共聚物、改性凹凸棒粉末、改性海泡石粘土混合均匀后加入发泡剂、交联剂和发泡助剂后混炼,之后将混合物加入至双辊双辊开炼机中压制成薄片,剪碎后放入事先喷涂有脱模剂的模具中,待水汽蒸发完后将模块放入硫化机中进行模压发泡。本发明的这种EVA制品,不仅具备了EVA发泡材料轻巧、隔热、防潮、无毒、防震性等特性,而且该制品一次发泡成型,避免了繁琐的制造工艺,更为安全和科学,扩大了EVA发泡材料的使用范围,改善了现有传统发泡材料的使用性能,综合性能较好,制备方法简单,生产工序少,所需设备投入小,生产过程安全、环保。
Description
技术领域
本发明属于发泡材料技术领域,特别是涉及一种皮雕发泡材料的制备方法。
背景技术
聚合物发泡材料是一种由聚合物基体和气体分子组成的气/固两相复合材料。在这种两相复合材料中,既可以是以气泡为分散相,聚合物为连续相;也可以是气泡与聚合物均为连续相,具体情况由气泡之间不同连接方式所决定。乙烯-醋酸乙烯酯共聚物(EVA)发泡材料具有比重轻、柔软、减震、无毒、耐化学药品等优点,广泛用于皮雕发泡材料的生产中,作为轻质材料的使用,EVA发泡材料依然存在易变形,抗撕裂性低,回弹性能不够高等缺陷,从而限制了它的使用,使得开发密度低,柔软抗震性能不足。
发明内容
本发明的目的在于提供一种皮雕发泡材料的制备方法。
本发明是通过以下技术方案实现的:
一种皮雕发泡材料的制备方法,该方法包括如下步骤:
S1、预调节密炼机内腔温度至100℃,将EVA树脂、可溶性淀粉接枝醋酸乙烯酯共聚物、改性凹凸棒粉末、改性海泡石粘土混合均匀后加入发泡剂、交联剂和发泡助剂,混炼10-15min,密炼机转速30rpm;
S2、混炼结束后将混合物加入至双辊双辊开炼机中压制成0.5-0.8mm的薄片,冷却至室温后载片;
S3、混炼的薄片剪碎后放入事先喷涂有脱模剂的模具中,待水汽蒸发完后将模块放入硫化机中进行模压发泡,其中模压温度为150-160℃,模压时间为800-900s,压力为22-30Mpa,卸压跳模,对发泡材料边角进行修剪得到制备的发泡材料。
进一步地,所述EVA树脂、可溶性淀粉接枝醋酸乙烯酯共聚物、改性凹凸棒粉末、改性海泡石粘土的质量比1:2.6-3.2:0.4-0.7:3.3-3.8。
进一步地,所述交联剂为双叔丁基过氧化异丙基苯、过氧化双(2,4-二氯苯甲酰)中的一种或两种混合。
进一步地,所述发泡剂为二氧化碳、偶氮二甲酰胺、碳酸氢钠、氟利昂中的一种或两种混合物。
进一步地,所述发泡助剂为钛酸四丁酯或三烯丙基异氰酸酯中的一种。
进一步地,所述海泡石的改性方法包括如下步骤:
S1-a、将海泡石粘土和去离子水混合后加入500mL的三口烧瓶中,固液比为1:22-26,搅拌均匀后加入双十烷基二甲基氯化铵,80℃水浴并搅拌4h,室温下冷却45-48℃,抽滤反应液,90-95℃真空烘箱中干燥24h;
S2-a、将烘干的粘土固体放入行星式球磨机研磨,转速为160-180r/min,过120目筛得到有机改性海泡石;
进一步地,所述可溶性淀粉接枝醋酸乙烯酯共聚物的制备方法包括如下步骤:
S1-b、将可溶性淀粉与去离子水按固液比为1:16-18加入至三口烧瓶中,搅拌均匀后于90℃的油浴锅中糊化30min;
S2-b、将糊化好的可溶性淀粉冷却至60℃,加入引发剂过硫酸铵反应12-18min,通过滴液漏斗逐滴加入醋酸乙烯酯单体,恒温搅拌反应3h;
S3-b、将得到的白色接枝共聚物乳液冷却至室温,加入适量的无水乙醇沉析、过滤、烘干得到的可溶性淀粉接枝醋酸乙烯酯共聚物;
进一步地,所述凹凸棒的改性方法包括如下步骤:
S1-c、将凹凸棒石粉碎过筛后加入浓盐酸中酸化160-180min,凹凸棒粉末与浓盐酸的固液比为1:12,离心后取沉淀真空干燥;
S2-c、将酸化后的凹凸棒粉末与硅烷偶联剂KH-858混合后加入烧瓶中,用电热套加热至溶液沸腾后恒温反应3-4h,停止加热,冷却至室温;
S3-c、将改性后的凹凸棒混合溶液之余也微波炉中微波15min,微波功率为350w,离心取沉淀真空干燥。
本发明具有以下有益效果:
本发明的这种EVA制品,不仅具备了EVA发泡材料轻巧、隔热、防潮、无毒、防震性等特性,而且该制品一次发泡成型,避免了繁琐的制造工艺,使其更能符合消费者的使用目的,更为安全和科学,扩大了EVA发泡材料的使用范围,改善了现有传统发泡材料的使用性能,综合性能较好,制备方法简单,生产工序少,所需设备投入小,生产过程安全、环保。
具体实施方式
下面对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
实施例1
一种皮雕发泡材料的制备方法,该方法包括如下步骤:
S1、预调节密炼机内腔温度至100℃,将EVA树脂、可溶性淀粉接枝醋酸乙烯酯共聚物、改性凹凸棒粉末、改性海泡石粘土按照质量比1:2.6:0.4:3.3,混合均匀后加入双叔丁基过氧化异丙基苯、二氧化碳、钛酸四丁酯,混炼10min,密炼机转速30rpm;
S2、混炼结束后将混合物加入至双辊双辊开炼机中压制成0.5mm的薄片,冷却至室温后载片;
S3、混炼的薄片剪碎后放入事先喷涂有脱模剂的模具中,待水汽蒸发完后将模块放入硫化机中进行模压发泡,其中模压温度为150℃,模压时间为800s,压力为22Mpa,卸压跳模,对发泡材料边角进行修剪得到制备的发泡材料;
所述海泡石的改性方法包括如下步骤:
S1-a、将海泡石粘土和去离子水混合后加入500mL的三口烧瓶中,固液比为1:22,搅拌均匀后加入双十烷基二甲基氯化铵,80℃水浴并搅拌4h,室温下冷却45℃,抽滤反应液,90℃真空烘箱中干燥24h;
较优的,所述海泡石粘土经过酸热处理;
S2-a、将烘干的粘土固体放入行星式球磨机研磨,转速为160r/min,过120目筛得到有机改性海泡石;
所述可溶性淀粉接枝醋酸乙烯酯共聚物的制备方法包括如下步骤:
S1-b、将可溶性淀粉与去离子水按固液比为1:16加入至三口烧瓶中,搅拌均匀后于90℃的油浴锅中糊化30min;
较优的,所述三口烧瓶中装有冷凝管和温度计;
S2-b、将糊化好的可溶性淀粉冷却至60℃,加入引发剂过硫酸铵反应12min,通过滴液漏斗逐滴加入醋酸乙烯酯单体,恒温搅拌反应3h;
S3-b、将得到的白色接枝共聚物乳液冷却至室温,加入适量的无水乙醇沉析、过滤、烘干得到的可溶性淀粉接枝醋酸乙烯酯共聚物;
所述凹凸棒的改性方法包括如下步骤:
S1-c、将凹凸棒石粉碎过筛后加入浓盐酸中酸化160min,凹凸棒粉末与浓盐酸的固液比为1:12,离心后取沉淀真空干燥;
S2-c、将酸化后的凹凸棒粉末与硅烷偶联剂KH-858混合后加入烧瓶中,用电热套加热至溶液沸腾后恒温反应3h,停止加热,冷却至室温;
S3-c、将改性后的凹凸棒混合溶液之余也微波炉中微波15min,微波功率为350w,离心取沉淀真空干燥。
实施例2
一种皮雕发泡材料的制备方法,该方法包括如下步骤:
S1、预调节密炼机内腔温度至100℃,将EVA树脂、可溶性淀粉接枝醋酸乙烯酯共聚物、改性凹凸棒粉末、改性海泡石粘土按照质量比1:3.2:0.7:3.8,混合均匀后加入过氧化双(2,4-二氯苯甲酰)、偶氮二甲酰胺、碳酸氢钠、三烯丙基异氰酸酯,混炼15min,密炼机转速30rpm;
S2、混炼结束后将混合物加入至双辊双辊开炼机中压制成0.8mm的薄片,冷却至室温后载片;
S3、混炼的薄片剪碎后放入事先喷涂有脱模剂的模具中,待水汽蒸发完后将模块放入硫化机中进行模压发泡,其中模压温度为160℃,模压时间为900s,压力为30Mpa,卸压跳模,对发泡材料边角进行修剪得到制备的发泡材料;
所述海泡石的改性方法包括如下步骤:
S1-a、将海泡石粘土和去离子水混合后加入500mL的三口烧瓶中,固液比为1:26,搅拌均匀后加入双十烷基二甲基氯化铵,80℃水浴并搅拌4h,室温下冷却48℃,抽滤反应液,95℃真空烘箱中干燥24h;
较优的,所述海泡石粘土经过酸热处理;
S2-a、将烘干的粘土固体放入行星式球磨机研磨,转速为180r/min,过120目筛得到有机改性海泡石;
所述可溶性淀粉接枝醋酸乙烯酯共聚物的制备方法包括如下步骤:
S1-b、将可溶性淀粉与去离子水按固液比为1:18加入至三口烧瓶中,搅拌均匀后于90℃的油浴锅中糊化30min;
较优的,所述三口烧瓶中装有冷凝管和温度计;
S2-b、将糊化好的可溶性淀粉冷却至60℃,加入引发剂过硫酸铵反应18min,通过滴液漏斗逐滴加入醋酸乙烯酯单体,恒温搅拌反应3h;
S3-b、将得到的白色接枝共聚物乳液冷却至室温,加入适量的无水乙醇沉析、过滤、烘干得到的可溶性淀粉接枝醋酸乙烯酯共聚物;
所述凹凸棒的改性方法包括如下步骤:
S1-c、将凹凸棒石粉碎过筛后加入浓盐酸中酸化180min,凹凸棒粉末与浓盐酸的固液比为1:12,离心后取沉淀真空干燥;
S2-c、将酸化后的凹凸棒粉末与硅烷偶联剂KH-858混合后加入烧瓶中,用电热套加热至溶液沸腾后恒温反应4h,停止加热,冷却至室温;
S3-c、将改性后的凹凸棒混合溶液之余也微波炉中微波15min,微波功率为350w,离心取沉淀真空干燥。
实施例3
一种皮雕发泡材料的制备方法,该方法包括如下步骤:
S1、预调节密炼机内腔温度至100℃,将EVA树脂、可溶性淀粉接枝醋酸乙烯酯共聚物、改性凹凸棒粉末、改性海泡石粘土按照质量比1:2.9:0.6:3.5,混合均匀后加入双叔丁基过氧化异丙基苯、过氧化双(2,4-二氯苯甲酰)、氟利昂、三烯丙基异氰酸酯,混炼10-15min,密炼机转速30rpm;
S2、混炼结束后将混合物加入至双辊双辊开炼机中压制成0.6mm的薄片,冷却至室温后载片;
S3、混炼的薄片剪碎后放入事先喷涂有脱模剂的模具中,待水汽蒸发完后将模块放入硫化机中进行模压发泡,其中模压温度为155℃,模压时间为850s,压力为26Mpa,卸压跳模,对发泡材料边角进行修剪得到制备的发泡材料;
所述海泡石的改性方法包括如下步骤:
S1-a、将海泡石粘土和去离子水混合后加入500mL的三口烧瓶中,固液比为1:24,搅拌均匀后加入双十烷基二甲基氯化铵,80℃水浴并搅拌4h,室温下冷却46℃,抽滤反应液,93℃真空烘箱中干燥24h;
较优的,所述海泡石粘土经过酸热处理;
S2-a、将烘干的粘土固体放入行星式球磨机研磨,转速为170r/min,过120目筛得到有机改性海泡石;
所述可溶性淀粉接枝醋酸乙烯酯共聚物的制备方法包括如下步骤:
S1-b、将可溶性淀粉与去离子水按固液比为1:17加入至三口烧瓶中,搅拌均匀后于90℃的油浴锅中糊化30min;
较优的,所述三口烧瓶中装有冷凝管和温度计;
S2-b、将糊化好的可溶性淀粉冷却至60℃,加入引发剂过硫酸铵反应16min,通过滴液漏斗逐滴加入醋酸乙烯酯单体,恒温搅拌反应3h;
S3-b、将得到的白色接枝共聚物乳液冷却至室温,加入适量的无水乙醇沉析、过滤、烘干得到的可溶性淀粉接枝醋酸乙烯酯共聚物;
所述凹凸棒的改性方法包括如下步骤:
S1-c、将凹凸棒石粉碎过筛后加入浓盐酸中酸化170min,凹凸棒粉末与浓盐酸的固液比为1:12,离心后取沉淀真空干燥;
S2-c、将酸化后的凹凸棒粉末与硅烷偶联剂KH-858混合后加入烧瓶中,用电热套加热至溶液沸腾后恒温反应3.5h,停止加热,冷却至室温;
S3-c、将改性后的凹凸棒混合溶液之余也微波炉中微波15min,微波功率为350w,离心取沉淀真空干燥。
以上内容仅仅是对本发明所作的举例和说明,所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,只要不偏离发明或者超越本权利要求书所定义的范围,均应属于本发明的保护范围。
Claims (8)
1.一种皮雕发泡材料的制备方法,其特征在于,该方法包括如下步骤:
S1、预调节密炼机内腔温度至100℃,将EVA树脂、可溶性淀粉接枝醋酸乙烯酯共聚物、改性凹凸棒粉末、改性海泡石粘土混合均匀后加入发泡剂、交联剂和发泡助剂,混炼10-15min,密炼机转速30rpm;
S2、混炼结束后将混合物加入至双辊双辊开炼机中压制成0.5-0.8mm的薄片,冷却至室温后载片;
S3、混炼的薄片剪碎后放入事先喷涂有脱模剂的模具中,待水汽蒸发完后将模块放入硫化机中进行模压发泡,其中模压温度为150-160℃,模压时间为800-900s,压力为22-30Mpa,卸压跳模,对发泡材料边角进行修剪得到制备的发泡材料。
2.根据权利要求1所述的一种皮雕发泡材料的制备方法,其特征在于,所述EVA树脂、可溶性淀粉接枝醋酸乙烯酯共聚物、改性凹凸棒粉末、改性海泡石粘土的质量比1:2.6-3.2:0.4-0.7:3.3-3.8。
3.根据权利要求1所述的一种皮雕发泡材料的制备方法,其特征在于:所述交联剂为双叔丁基过氧化异丙基苯、过氧化双(2,4-二氯苯甲酰)中的一种或两种混合。
4.根据权利要求1所述的一种皮雕发泡材料的制备方法,其特征在于:所述发泡剂为二氧化碳、偶氮二甲酰胺、碳酸氢钠、氟利昂中的一种或两种混合物。
5.根据权利要求1所述的一种皮雕发泡材料的制备方法,其特征在于:所述发泡助剂为钛酸四丁酯或三烯丙基异氰酸酯中的一种。
6.根据权利要求1所述的一种皮雕发泡材料的制备方法,其特征在于,所述海泡石的改性方法包括如下步骤:
S1-a、将海泡石粘土和去离子水混合后加入500mL的三口烧瓶中,固液比为1:22-26,搅拌均匀后加入双十烷基二甲基氯化铵,80℃水浴并搅拌4h,室温下冷却45-48℃,抽滤反应液,90-95℃真空烘箱中干燥24h;
S2-a、将烘干的粘土固体放入行星式球磨机研磨,转速为160-180r/min,过120目筛得到有机改性海泡石。
7.根据权利要求1所述的一种皮雕发泡材料的制备方法,其特征在于,所述可溶性淀粉接枝醋酸乙烯酯共聚物的制备方法包括如下步骤:
S1-b、将可溶性淀粉与去离子水按固液比为1:16-18加入至三口烧瓶中,搅拌均匀后于90℃的油浴锅中糊化30min;
S2-b、将糊化好的可溶性淀粉冷却至60℃,加入引发剂过硫酸铵反应12-18min,通过滴液漏斗逐滴加入醋酸乙烯酯单体,恒温搅拌反应3h;
S3-b、将得到的白色接枝共聚物乳液冷却至室温,加入适量的无水乙醇沉析、过滤、烘干得到的可溶性淀粉接枝醋酸乙烯酯共聚物。
8.根据权利要求1所述的一种皮雕发泡材料的制备方法,其特征在于,所述凹凸棒的改性方法包括如下步骤:
S1-c、将凹凸棒石粉碎过筛后加入浓盐酸中酸化160-180min,凹凸棒粉末与浓盐酸的固液比为1:12,离心后取沉淀真空干燥;
S2-c、将酸化后的凹凸棒粉末与硅烷偶联剂KH-858混合后加入烧瓶中,用电热套加热至溶液沸腾后恒温反应3-4h,停止加热,冷却至室温;
S3-c、将改性后的凹凸棒混合溶液之余也微波炉中微波15min,微波功率为350w,离心取沉淀真空干燥。
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4506037A (en) * | 1983-03-23 | 1985-03-19 | Chuo Kagaku Co., Ltd. | Production of resin foam by aqueous medium |
CN102134349A (zh) * | 2011-02-23 | 2011-07-27 | 安踏(中国)有限公司 | 一种运动鞋底用的eva材料及其制备方法 |
CN105255085A (zh) * | 2015-11-23 | 2016-01-20 | 宁波尚高新材料有限公司 | 一种氧化石墨烯发泡材料及其制备方法 |
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US4506037A (en) * | 1983-03-23 | 1985-03-19 | Chuo Kagaku Co., Ltd. | Production of resin foam by aqueous medium |
CN102134349A (zh) * | 2011-02-23 | 2011-07-27 | 安踏(中国)有限公司 | 一种运动鞋底用的eva材料及其制备方法 |
CN105255085A (zh) * | 2015-11-23 | 2016-01-20 | 宁波尚高新材料有限公司 | 一种氧化石墨烯发泡材料及其制备方法 |
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