CN103788468A - 一种eva/pe复合发泡材料及其制备方法 - Google Patents

一种eva/pe复合发泡材料及其制备方法 Download PDF

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CN103788468A
CN103788468A CN201410028073.1A CN201410028073A CN103788468A CN 103788468 A CN103788468 A CN 103788468A CN 201410028073 A CN201410028073 A CN 201410028073A CN 103788468 A CN103788468 A CN 103788468A
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eva
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曹伟
葛锦妹
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Nantong Haiou Lift-Saving & Protection Equipment Co Ltd
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Abstract

本发明涉及一种EVA/PE复合发泡材料及其制备方法，属于高分子材料技术领域。该EVA/PE复合发泡材料包括按照重量份数计的如下组分：乙烯-醋酸乙烯共聚物20~70份、低密度聚乙烯30~60份、苯乙烯-丁二烯-苯乙烯嵌段共聚物10~17份、发泡剂2~4份、纳米碳酸钙5~10份、纳米氧化锌2~5份、三聚氰胺氰尿酸盐3~7份、硬脂酸2~5份、交联剂1~3份。本发明制备工艺简单，制得的EVA/PE复合发泡材料柔软、回弹性好、尺寸稳定性高，且具有良好的阻燃和抗静电功能，避免了生产时产生静电而带来的隐患。

Description

一种EVA/PE复合发泡材料及其制备方法
技术领域
本发明属于高分子材料技术领域，具体涉及一种EVA/PE复合发泡材料及其制备方法。
背景技术
救生衣是一种救护生命的服装，设计类似背心，采用尼龙面料、氯丁橡胶、浮力材料、可充气的材料或反光材料等制作而成，穿在身上具有足够浮力，使落水者头部能露出水面，是船上、飞机上的救生设备之一。
目前市场上最常见的救生衣为背心式，采用聚乙烯泡沫塑料外包尼龙面料制成，其使用年限为5-7年。但是，市场上用于救生衣的聚乙烯泡沫材料弹性低、柔性差、耐环境应力开裂性差，且不具有阻燃和抗静电的功能。因此如何克服现有技术的不足是目前涂料技术领域亟需解决的问题。
发明内容
本发明的目的是为了解决现有技术的不足，提供一种EVA/PE复合发泡材料及其制备方法，本发明制备方法简单，制得的EVA/PE复合发泡材料回弹性好，具有良好的阻燃和抗静电功能。
本发明采用的技术方案如下：
一种EVA/PE复合发泡材料，包括按照重量份数计的如下组分：乙烯-醋酸乙烯共聚物20~70份、低密度聚乙烯30~60份、苯乙烯-丁二烯-苯乙烯嵌段共聚物10~17份、发泡剂2~4份、纳米碳酸钙5~10份、纳米氧化锌2~5份、三聚氰胺氰尿酸盐3~7份、硬脂酸2~5份、交联剂1~3份。
所述的发泡剂为4,4’-氧代双苯磺酰肼。
所述的交联剂为2,5-二甲基-2,5二叔丁基过氧化己烷。
本发明还提供一种EVA/PE复合发泡材料的制备方法，包括如下步骤：
步骤（1）：将纳米碳酸钙干燥，然后与乙烯-醋酸乙烯共聚物、低密度聚乙烯、苯乙烯-丁二烯-苯乙烯嵌段共聚物、纳米氧化锌、发泡剂、三聚氰胺氰尿酸盐和硬脂酸一起投入密炼机中进行混炼，得到混炼物料；
步骤（2）：向步骤（1）中的混炼物料加入交联剂继续混炼，将得到的混合物导入造粒机中造粒，然后进行发泡，得到本发明的EVA/PE复合发泡材料。
本发明与现有技术相比，其有益效果为：（1）本发明制备工艺简单，制得的EVA/PE复合发泡材料柔软、回弹性好、尺寸稳定性高，且具有良好的阻燃和抗静电功能，避免了生产时产生静电而带来的隐患；（2）本发明优选4,4’-氧代双苯磺酰肼为发泡剂，避免了丁烷发泡剂易燃易爆所带来的安全隐患。
具体实施例
下面结合实施例对本发明作进一步的详细描述。
实施例1
一种EVA/PE复合发泡材料，包括按照重量份数计的如下组分：乙烯-醋酸乙烯共聚物20份、低密度聚乙烯30份、苯乙烯-丁二烯-苯乙烯嵌段共聚物10份、4,4’-氧代双苯磺酰肼2份、纳米碳酸钙5份、纳米氧化锌2份、三聚氰胺氰尿酸盐3份、硬脂酸2份、2,5-二甲基-2,5二叔丁基过氧化己烷1份。
本实施例EVA/PE复合发泡材料的制备方法，包括如下步骤：
步骤（1）：将纳米碳酸钙干燥，然后与乙烯-醋酸乙烯共聚物、低密度聚乙烯、苯乙烯-丁二烯-苯乙烯嵌段共聚物、纳米氧化锌、4,4’-氧代双苯磺酰肼、三聚氰胺氰尿酸盐和硬脂酸一起投入密炼机中进行混炼，得到混炼物料；
步骤（2）：向步骤（1）中的混炼物料加入2,5-二甲基-2,5二叔丁基过氧化己烷继续混炼，将得到的混合物导入造粒机中造粒，然后进行发泡，得到本实施例的EVA/PE复合发泡材料。
实施例2
一种EVA/PE复合发泡材料，包括按照重量份数计的如下组分：乙烯-醋酸乙烯共聚物70份、低密度聚乙烯60份、苯乙烯-丁二烯-苯乙烯嵌段共聚物17份、4,4’-氧代双苯磺酰肼4份、纳米碳酸钙10份、纳米氧化锌5份、三聚氰胺氰尿酸盐7份、硬脂酸5份、2,5-二甲基-2,5二叔丁基过氧化己烷3份。
本实施例EVA/PE复合发泡材料的制备方法与实施例1相同。
实施例3
一种EVA/PE复合发泡材料，包括按照重量份数计的如下组分：乙烯-醋酸乙烯共聚物50份、低密度聚乙烯40份、苯乙烯-丁二烯-苯乙烯嵌段共聚物15份、4,4’-氧代双苯磺酰肼3份、纳米碳酸钙7份、纳米氧化锌3份、三聚氰胺氰尿酸盐6份、硬脂酸4份、2,5-二甲基-2,5二叔丁基过氧化己烷2份。
本实施例EVA/PE复合发泡材料的制备方法与实施例1相同。
对本发明实施例1~3所得产品的性能测试，结果如表1所示。
表1 本发明实施例1~3产品性能测试数据
测试项目 实施例1 实施例2 实施例3
硬度 50 52 53
密度，g/cm3 0.23 0.22 0.21
拉伸强度，MPa 2.7 2.5 2.6
撕裂强度，N/mm 3.5 3.4 3.6
回弹率，% 53 52 56
热收缩率，% 1.0 1.1 0.9
阻燃级别 V-1 V-1 V-1
表面电阻率Ω/sq 108 108 108

Claims (4)

1.一种EVA/PE复合发泡材料，其特征在于包括按照重量份数计的如下组分：乙烯-醋酸乙烯共聚物20~70份、低密度聚乙烯30~60份、苯乙烯-丁二烯-苯乙烯嵌段共聚物10~17份、发泡剂2~4份、纳米碳酸钙5~10份、纳米氧化锌2~5份、三聚氰胺氰尿酸盐3~7份、硬脂酸2~5份、交联剂1~3份。
2.根据权利要求1所述的EVA/PE复合发泡材料，其特征在于所述的发泡剂为4,4’-氧代双苯磺酰肼。
3.根据权利要求1所述的EVA/PE复合发泡材料，其特征在于所述的交联剂为2,5-二甲基-2,5二叔丁基过氧化己烷。
4.权利要求1所述的EVA/PE复合发泡材料的制备方法，其特征在于包括如下步骤：
步骤（1）：将纳米碳酸钙干燥，然后与乙烯-醋酸乙烯共聚物、低密度聚乙烯、苯乙烯-丁二烯-苯乙烯嵌段共聚物、纳米氧化锌、发泡剂、三聚氰胺氰尿酸盐和硬脂酸一起投入密炼机中进行混炼，得到混炼物料；
步骤（2）：向步骤（1）中的混炼物料加入交联剂继续混炼，将得到的混合物导入造粒机中造粒，然后进行发泡，得到本发明的EVA/PE复合发泡材料。
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104987584A (zh) * 2015-07-25 2015-10-21 福州大学 一种化学接枝碳纤维/eva复合泡沫材料及其制备方法和应用
CN105061871A (zh) * 2015-07-27 2015-11-18 江西国塑实业有限公司 中空免充气塑胶发泡轮
CN105482232A (zh) * 2016-01-26 2016-04-13 福建三盛实业有限公司 一种不含甲酰胺环保eva/pe泡沫材料及其制备方法
CN105670074A (zh) * 2016-01-15 2016-06-15 林彬 一种泡沫垫及其制备方法和生产线
CN108948506A (zh) * 2018-06-28 2018-12-07 东莞兆阳兴业塑胶制品有限公司 一种易冲裁的橡塑发泡材料及其制备方法
CN110698746A (zh) * 2019-10-09 2020-01-17 深圳市长园特发科技有限公司 一种聚乙烯泡棉及其制备方法
CN112011117A (zh) * 2020-09-14 2020-12-01 福建省新德新鞋业有限责任公司 一种eva发泡材料及其制备方法

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