CN107099085A - 一种聚氯乙烯屏幕保护材料及其制备方法 - Google Patents

一种聚氯乙烯屏幕保护材料及其制备方法 Download PDF

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CN107099085A
CN107099085A CN201710314536.4A CN201710314536A CN107099085A CN 107099085 A CN107099085 A CN 107099085A CN 201710314536 A CN201710314536 A CN 201710314536A CN 107099085 A CN107099085 A CN 107099085A
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polyvinyl chloride
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tissuemat
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舒峰
李琨
姚艳芳
马勇
张宇运
舒玉法
刘学辉
王祖林
胡克文
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ANHUI YUFA PLASTIC INDUSTRY Co Ltd
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Abstract

本发明公开了一种聚氯乙烯屏幕保护材料及其制备方法,其中所述聚氯乙烯屏幕保护材料包括以下组份:聚氯乙烯20‑40份、增塑剂3‑5份、光敏剂1‑2份、多孔淀粉4‑6份、硅藻土4‑6份、偶联剂1‑3份、聚氨酯25‑30份、低密度高压聚乙烯30‑50份、受阻酚类抗氧剂0.2‑0.6份、聚乙烯蜡类润滑剂2‑3份、相容剂15‑20份。本发明聚氯乙烯屏幕保护材料能够降低电子产品工作时对人体的电波辐射,对使用者的自身健康具有一定的保护作用。

Description

一种聚氯乙烯屏幕保护材料及其制备方法
技术领域
本发明涉及屏幕保护技术领域,尤其涉及一种聚氯乙烯屏幕保护材料及其制备方法。
背景技术
可视电子产品的飞速发展给人们的生活带来了极大的便利,另一方面,人们也越来越依赖于可视电子产品,例如电脑、手机、ipad以及其他可视电子终端等,其几乎成了人们日常生活中所必不可少的物件。然而,经常长时间的使用这些电子产品会给用户自身健康带来一定的安全隐患,例如经常使用电脑的上班族,由于电脑工作时会产生较强的微波辐射,这种微波辐射长时间作用于人体时,会导致头晕、头痛,同时也会导致眼睛干涩、疲劳、视力下降等。
可视电子产品一般都配有屏幕保护膜,以防止屏幕意外损坏。现有的屏幕保护膜只能起到普遍的保护屏幕作用,而对使用者自身的隔离保护作用太少。本发明为了克服上述缺陷,从屏幕保护材料的配方入手,提供一种能减少对使用者身体危害的可视电子产品的屏幕保护材料。
发明内容
本发明要解决的技术问题是克服现有的屏幕保护膜对使用者自身辐射隔离作用太小的缺陷,提出一种新型的聚氯乙烯屏幕保护材料及其制备方法。本发明采用的技术方案是:
一种聚氯乙烯屏幕保护材料,包括以下组份:
聚氯乙烯20-40份、增塑剂3-5份、光敏剂1-2份、多孔淀粉4-6份、硅藻土4-6份、偶联剂1-3份、聚氨酯25-30份、低密度高压聚乙烯30-50份、受阻酚类抗氧剂0.2-0.6份、聚乙烯蜡类润滑剂2-3份、相容剂15-20份。
优选的,所述受阻酚类抗氧剂为Irganox 1010、抗氧剂AT-300、抗氧剂1076中的至少一种。
优选的,所述聚乙烯蜡类的润滑剂为PE-520蜡粉、聚乙烯蜡PE-wax中的至少一种。
优选的,所述相容剂可以是聚乙烯接枝马来酸酐、丙烯酸中的至少一种。
一种聚氯乙烯屏幕保护材料的制备方法,包括以下步骤:
(1)将聚氯乙烯溶解于50-80ml四氢呋喃中,加入硅藻土和多孔淀粉,搅拌10-20min混合均匀,得改性聚氯乙烯溶液;
(2)将聚氨酯、低密度高压聚乙烯、受阻酚类抗氧剂、聚乙烯蜡类润滑剂、相容剂按照重量配比添加到所述改性聚氯乙烯溶液中,并进行搅拌;
(3)将步骤(2)中搅拌后的物料放入双螺杆挤出机的料筒内并依次通过挤出通道和机头挤出,其中挤出机的挤出通道分五个区,每个区的温度控制条件依次为160℃~170℃,170℃~180℃,180℃~190℃,190℃~200℃,195℃~205℃,而挤出机机头的温度控制条件为190℃~200℃;挤出后冷却切粒即得。
本发明的优点是:
本发明中的多孔淀粉又名微孔淀粉,是一种新型的变性淀粉,它是具有生淀粉酶活力的酶在低于糊化温度下作用于生淀粉而形成的多孔性蜂窝状产物,具有良好的吸附性,因此能对辐射起到良好的吸附作用。
本发明中硅藻土作为电磁波的吸收剂,对电磁波可以起到直接吸附作用。
本发明聚氯乙烯屏幕保护膜具有很好的粘合力,不容易脱落。
具体实施方式
实施例1
一种聚氯乙烯屏幕保护材料,包括以下组份:
聚氯乙烯20份、增塑剂3份、光敏剂1份、多孔淀粉4份、硅藻土4份、偶联剂1份、聚氨酯25份、低密度高压聚乙烯30份、Irganox 10100.2份、PE-520蜡粉2份、聚乙烯接枝马来酸酐15份。
一种聚氯乙烯屏幕保护材料的制备方法,包括以下步骤:
(1)将聚氯乙烯溶解于50ml四氢呋喃中,加入硅藻土和多孔淀粉,搅拌10min混合均匀,得改性聚氯乙烯溶液;
(2)将聚氨酯、低密度高压聚乙烯、受阻酚类抗氧剂、聚乙烯蜡类润滑剂、相容剂按照重量配比添加到所述改性聚氯乙烯溶液中,并进行搅拌;
(3)将步骤(2)中搅拌后的物料放入双螺杆挤出机的料筒内并依次通过挤出通道和机头挤出,其中挤出机的挤出通道分五个区,每个区的温度控制条件依次为160℃,170℃,180℃,190℃,195℃,而挤出机机头的温度控制条件为190℃;挤出后冷却切粒即得。
实施例2
一种聚氯乙烯屏幕保护材料,包括以下组份:
聚氯乙烯40份、增塑剂5份、光敏剂2份、多孔淀粉6份、硅藻土6份、偶联剂3份、聚氨酯30份、低密度高压聚乙烯50份、、抗氧剂AT-3000.6份、聚乙烯蜡PE-wax 3份、丙烯酸20份。
一种聚氯乙烯屏幕保护材料的制备方法,包括以下步骤:
(1)将聚氯乙烯溶解于80ml四氢呋喃中,加入硅藻土和多孔淀粉,搅拌20min混合均匀,得改性聚氯乙烯溶液;
(2)将聚氨酯、低密度高压聚乙烯、受阻酚类抗氧剂、聚乙烯蜡类润滑剂、相容剂按照重量配比添加到所述改性聚氯乙烯溶液中,并进行搅拌;
(3)将步骤(2)中搅拌后的物料放入双螺杆挤出机的料筒内并依次通过挤出通道和机头挤出,其中挤出机的挤出通道分五个区,每个区的温度控制条件依次为170℃,180℃,190℃,200℃,205℃,而挤出机机头的温度控制条件为200℃;挤出后冷却切粒即得。
实施例3
一种聚氯乙烯屏幕保护材料,包括以下组份:
聚氯乙烯30份、增塑剂4份、光敏剂1份、多孔淀粉5份、硅藻土5份、偶联剂2份、聚氨酯27份、低密度高压聚乙烯40份、抗氧剂10760.4份、聚乙烯蜡PE-wax 2份、聚乙烯接枝马来酸酐18份。
一种聚氯乙烯屏幕保护材料的制备方法,包括以下步骤:
(1)将聚氯乙烯溶解于50-80ml四氢呋喃中,加入硅藻土和多孔淀粉,搅拌10-20min混合均匀,得改性聚氯乙烯溶液;
(2)将聚氨酯、低密度高压聚乙烯、受阻酚类抗氧剂、聚乙烯蜡类润滑剂、相容剂按照重量配比添加到所述改性聚氯乙烯溶液中,并进行搅拌;
(3)将步骤(2)中搅拌后的物料放入双螺杆挤出机的料筒内并依次通过挤出通道和机头挤出,其中挤出机的挤出通道分五个区,每个区的温度控制条件依次为165℃,175℃,185℃,195℃,200℃,而挤出机机头的温度控制条件为195℃;挤出后冷却切粒即得。
通过对本发明的聚氯乙烯屏幕保护材料的抗电磁辐射性能测试可知,本发明产品相对于普通屏幕保护材料,抗辐射效果可提高40%以上。
本发明的聚氯乙烯屏幕保护材料对电磁波具有较强的吸附能力,能够减少可视电子产品对使用者的电波辐射,降低了辐射波对人体的危害,从而使得使用者的身心健康得到一定保障;且本发明产品对屏幕具有较强的吸附能力,不容易脱落,使用方便。

Claims (5)

1.一种聚氯乙烯屏幕保护材料,其特征在于,包括以下组份:
聚氯乙烯20-40份、增塑剂3-5份、光敏剂1-2份、多孔淀粉4-6份、硅藻土4-6份、偶联剂1-3份、聚氨酯25-30份、低密度高压聚乙烯30-50份、受阻酚类抗氧剂0.2-0.6份、聚乙烯蜡类润滑剂2-3份、相容剂15-20份。
2.如权利要求1所述的一种聚氯乙烯保护材料,其特征在于,所述受阻酚类抗氧剂为Irganox 1010、抗氧剂AT-300、抗氧剂1076中的至少一种。
3.如权利要求2所述的一种聚氯乙烯保护材料,其特征在于,所述聚乙烯蜡类的润滑剂为PE-520蜡粉、聚乙烯蜡PE-wax中的至少一种。
4.如权利要求3所述的一种聚氯乙烯保护材料,其特征在于,所述相容剂可以是聚乙烯接枝马来酸酐、丙烯酸中的至少一种。
5.一种如权利要求1-4任一项所述的聚氯乙烯屏幕保护材料的制备方法,其特征在于,包括以下步骤:
(1)将聚氯乙烯溶解于50-80ml四氢呋喃中,加入硅藻土和多孔淀粉,搅拌10-20min混合均匀,得改性聚氯乙烯溶液;
(2)将聚氨酯、低密度高压聚乙烯、受阻酚类抗氧剂、聚乙烯蜡类润滑剂、相容剂按照重量配比添加到所述改性聚氯乙烯溶液中,并进行搅拌;
(3)将步骤(2)中搅拌后的物料放入双螺杆挤出机的料筒内并依次通过挤出通道和机头挤出,其中挤出机的挤出通道分五个区,每个区的温度控制条件依次为160℃~170℃,170℃~180℃,180℃~190℃,190℃~200℃,195℃~205℃,而挤出机机头的温度控制条件为190℃~200℃;挤出后冷却切粒即得。
CN201710314536.4A 2017-05-06 2017-05-06 一种聚氯乙烯屏幕保护材料及其制备方法 Pending CN107099085A (zh)

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