CN103627073A - 一种聚乙烯-聚苯乙烯泡沫 - Google Patents
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Abstract
本发明公开了一种聚乙烯-聚苯乙烯泡沫,由下列重量份的原料制成:茂金属线性低密度聚乙烯100、聚苯乙烯20-30、偶氮二甲酰胺7-9、三乙烯四胺1.2-1.5、玉石粉25-35、轻质碳酸钙粉7-10、氢氧化铝8-10、氧化锌3-4、柠檬酸三丁酯5-6、防老剂RD1-2、硬酯酸钙3-4、双(二辛氧基焦磷酸酯基)乙撑钛酸酯2-3、改性填料6-8;本发明聚乙烯-聚苯乙烯泡沫不仅具有一般泡沫的优点,如质轻、耐压、隔音、隔热、抗震等特点,而且具有优良的力学性能、良好的回弹性,既具有聚乙烯泡沫的柔软又具有聚苯乙烯泡沫的刚性,以及优异的阻燃性,在建筑、保温、隔音行业具有广泛的应用。
Description
技术领域
本发明涉及一种泡沫,特别是一种聚乙烯-聚苯乙烯泡沫。
背景技术
聚苯乙烯,是20世纪40年代初由德国巴斯夫公司首先发明的一种具有出色的低密度和绝热性能的泡沫材料。发泡聚苯乙烯树脂的用途非常广泛,由于其具有高强度、质量轻、极佳的保温绝热性能和高吸收能量能力,可以用作各种仪表、贵重物品、精密仪器、蔬菜水果和水产品等的包装材料;而因为其具有热传导率低、吸水性小、电绝缘性好、隔音、防潮以及成型工艺简单等优良特性,而被广泛应用在道路桥梁的路基铺设和房屋建筑以及渔业捕捞和冷藏行业的保温材料等方面。其中,作为一种优良的建筑材料,发泡聚苯乙烯树脂主要用于建筑物的屋面和墙体,其作为外保温复合墙体具有十分良好的节能效果;而作为保温屋面适用于住宅、工厂、平式和柏油屋面,可以起到隔音、挡水蒸汽、密封和保温隔热等作用。作为建筑用保温材料,首要考虑的几个性能指标是低的热导率,高的阻燃能力,较好的粘接性能和较好的自身强度。
聚乙烯对于环境应力(化学与机械作用)是很敏感的,耐热老化性差于聚合物的化学结构和加工条。聚乙烯可用一般热塑性塑料的成型方法(见塑料加工)加工。用途十分广泛,主要用来制造薄膜、包装材料、容器、管道、单丝、电线电缆、日用品等,并可作为电视、雷达等的高频绝缘材料。随着石油化工的发展,聚乙烯生产得到迅速发展,产量约占塑料总产量的1/4。1983年世界聚乙烯总生产能力为24.65Mt,在建装置能力为3.16Mt。2011年最新统计结果,全球产能达到96Mt,聚乙烯生产的发展趋势显示,生产消费逐步向亚洲地区转移,中国日渐成为最重要的消费市场。
若能将聚苯乙烯与聚乙烯两者的共价键结合在一起,可以得到兼具两者特性的泡沫材料。
发明内容
本发明的目的是提供一种聚乙烯-聚苯乙烯泡沫。。
为了实现本发明的目的,本发明通过以下方案实施:
一种聚乙烯-聚苯乙烯泡沫,由下列重量份的原料制成:茂金属线性低密度聚乙烯100、聚苯乙烯20-30、偶氮二甲酰胺7-9、三乙烯四胺1.2-1.5、玉石粉25-35、轻质碳酸钙粉7-10、氢氧化铝8-10、氧化锌3-4、柠檬酸三丁酯5-6、防老剂RD 1-2、硬酯酸钙3-4、双(二辛氧基焦磷酸酯基)乙撑钛酸酯2-3、改性填料6-8;
所述改性填料通过以下方法制备:称取下列重量份(公斤)的原料:凹凸棒土110-120、粘土10-12、秸秆灰烬50-55、醇酯十二3-4、抗坏血酸2-3、硅烷偶联剂KH550 1-2、纳米碳粉1-2、碳酸氢钠2-3、柠檬酸三丁酯2-3、亚硒酸钠4-5、乌贼骨粉5-6、二甲基硅油3-4;制备方法是将凹凸棒土、粘土放入煅烧炉中,在560-600℃下煅烧4-5小时,取出,与秸秆灰烬、碳酸氢钠、乌贼骨粉混合,研磨至得到300-400目粉末,然后,再加入硅烷偶联剂KH550、纳米碳粉混合,继续研磨,至充分分散,再加入其它剩余成分,继续研磨30-45分钟后,在1500-1800转/分下搅拌15-30分钟,即得改性填料。
本发明所述聚乙烯-聚苯乙烯泡沫,由以下具体步骤制备而成:
(1)将除改性填料、偶氮二甲酰胺之外的其它各物料混合,升温至100-120℃,混炼8-12分钟;
(2)将混炼好的物料加入改性填料、偶氮二甲酰胺在90-100℃进行二次混炼6-10分钟;
(3)将二次混炼好的物料开片、出片,送入成型设备中进行预成型,成型压力为4-6MPa,15-20 秒后取出;
(4)将片料加到预热的模具中,于平板硫化机上140-160℃温度下加压至6-7MPa,保压6-12min,去压发泡,冷却至常温即得。
本发明聚乙烯-聚苯乙烯泡沫不仅具有一般泡沫的优点,如质轻、耐压、隔音、隔热、抗震等特点,而且具有优良的力学性能、良好的回弹性,既具有聚乙烯泡沫的柔软又具有聚苯乙烯泡沫的刚性,以及优异的阻燃性,在建筑、保温、隔音行业具有广泛的应用。
具体实施方案
下面通过具体实例对本发明进行详细说明。
一种聚乙烯-聚苯乙烯泡沫,由下列重量份(公斤)的原料制成:茂金属线性低密度聚乙烯100、聚苯乙烯20、偶氮二甲酰胺7、三乙烯四胺1.2、玉石粉25、轻质碳酸钙粉7、氢氧化铝8、氧化锌3、柠檬酸三丁酯5、防老剂RD 1、硬酯酸钙3、双(二辛氧基焦磷酸酯基)乙撑钛酸酯2、改性填料6;
所述改性填料通过以下方法制备:称取下列重量份(公斤)的原料:凹凸棒土110、粘土10、秸秆灰烬50、醇酯十二3、抗坏血酸2、硅烷偶联剂KH550 1、纳米碳粉1、碳酸氢钠2、柠檬酸三丁酯2、亚硒酸钠4、乌贼骨粉5、二甲基硅油3;制备方法是将凹凸棒土、粘土放入煅烧炉中,在560-600℃下煅烧4-5小时,取出,与秸秆灰烬、碳酸氢钠、乌贼骨粉混合,研磨至得到300-400目粉末,然后,再加入硅烷偶联剂KH550、纳米碳粉混合,继续研磨,至充分分散,再加入其它剩余成分,继续研磨30-45分钟后,在1500-1800转/分下搅拌15-30分钟,即得改性填料。
本发明所述聚乙烯-聚苯乙烯泡沫,由以下具体步骤制备而成:
(1)将除改性填料、偶氮二甲酰胺之外的其它各物料混合,升温至100-120℃,混炼8-12分钟;
(2)将混炼好的物料加入改性填料、偶氮二甲酰胺在90-100℃进行二次混炼6-10分钟;
(3)将二次混炼好的物料开片、出片,送入成型设备中进行预成型,成型压力为4-6MPa,15-20 秒后取出;
(4)将片料加到预热的模具中,于平板硫化机上140-160℃温度下加压至6-7MPa,保压6-12min,去压发泡,冷却至常温即得。
所得的泡沫材料各功能参数如下:硬度(邵氏C,o)36.5、
断裂伸长率(%)181、拉伸强度(MPa)1.53、冲击回弹率(%)40.0、压缩形变(%)37.0。
Claims (1)
1.一种聚乙烯-聚苯乙烯泡沫,其特征在于,由下列重量份的原料制成:茂金属线性低密度聚乙烯100、聚苯乙烯20-30、偶氮二甲酰胺7-9、三乙烯四胺1.2-1.5、玉石粉25-35、轻质碳酸钙粉7-10、氢氧化铝8-10、氧化锌3-4、柠檬酸三丁酯5-6、防老剂RD 1-2、硬酯酸钙3-4、双(二辛氧基焦磷酸酯基)乙撑钛酸酯2-3、改性填料6-8;
所述改性填料通过以下方法制备:称取下列重量份的原料:凹凸棒土110-120、粘土10-12、秸秆灰烬50-55、醇酯十二3-4、抗坏血酸2-3、硅烷偶联剂KH550 1-2、纳米碳粉1-2、碳酸氢钠2-3、柠檬酸三丁酯2-3、亚硒酸钠4-5、乌贼骨粉5-6、二甲基硅油3-4;制备方法是将凹凸棒土、粘土放入煅烧炉中,在560-600℃下煅烧4-5小时,取出,与秸秆灰烬、碳酸氢钠、乌贼骨粉混合,研磨至得到300-400目粉末,然后,再加入硅烷偶联剂KH550、纳米碳粉混合,继续研磨,至充分分散,再加入其它剩余成分,继续研磨30-45分钟后,在1500-1800转/分下搅拌15-30分钟,即得改性填料。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103965605A (zh) * | 2014-04-23 | 2014-08-06 | 安徽依采妮纤维材料科技有限公司 | 一种耐热绝缘复合吸音板材料及其制备方法 |
CN106977829A (zh) * | 2017-04-14 | 2017-07-25 | 赵阳 | 一种溶胶沉积空心聚苯乙烯建筑保温材料的制备方法 |
CN111117092A (zh) * | 2019-12-31 | 2020-05-08 | 中山市德隆昌工艺包装有限公司 | 一种防震聚苯乙烯泡沫材料 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103965605A (zh) * | 2014-04-23 | 2014-08-06 | 安徽依采妮纤维材料科技有限公司 | 一种耐热绝缘复合吸音板材料及其制备方法 |
CN103965605B (zh) * | 2014-04-23 | 2016-06-01 | 安徽依采妮纤维材料科技有限公司 | 一种耐热绝缘复合吸音板材料及其制备方法 |
CN106977829A (zh) * | 2017-04-14 | 2017-07-25 | 赵阳 | 一种溶胶沉积空心聚苯乙烯建筑保温材料的制备方法 |
CN111117092A (zh) * | 2019-12-31 | 2020-05-08 | 中山市德隆昌工艺包装有限公司 | 一种防震聚苯乙烯泡沫材料 |
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