CN106188740A - 一种pe保温膜及其制备方法 - Google Patents

一种pe保温膜及其制备方法 Download PDF

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CN106188740A
CN106188740A CN201610541136.2A CN201610541136A CN106188740A CN 106188740 A CN106188740 A CN 106188740A CN 201610541136 A CN201610541136 A CN 201610541136A CN 106188740 A CN106188740 A CN 106188740A
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insulation film
raw material
micropowder
antioxidant
titanium dioxide
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费金华
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Suzhou Shengpula New Material Technology Co Ltd
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
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Abstract

本发明公开了一种PE保温膜及其制备方法，原料为：PE、PP微粉、硬脂酸钙、LDPE、二氧化钛、抗氧剂1010、碳酸钙、PP、POE和BHT；产品撕裂强度130‑150kN/m，拉伸强度20‑24MPa，粘结强度0.21‑0.25MPa；伸长率400‑600％，防雾滴天数150‑160天，透光率89‑91％；杨氏模量430‑450MPa，柔韧性和弹性恢复性好，原料简单易得，制备方法简单，抗冲击能1.55‑1.75J。

Description

一种PE保温膜及其制备方法
技术领域
本发明涉及PE材料技术领域，尤其涉及一种PE保温膜及其制备方法。
背景技术
聚乙烯为典型的热塑性塑料，是无臭、无味、无毒的可燃性白色粉末。成型加工的PE树脂均是经挤出造粒的蜡状颗粒料，外观呈乳白色。其分子量在1万一loa万范围内。分子量超过10万的则为超高分子量聚乙烯f UHMWPE3。分子量越高，其物理力学性能越好，越接近工程材料的要求水平。但分子量越高，其加工的难度也随之增大。聚乙烯熔点为100-130C·其耐低温性能优良。在-60℃下仍可保持良好的力学性能，但使用温度在80～110℃。
聚乙烯化学稳定性较好，室温下可耐稀硝酸、稀硫酸和任何浓度的盐酸、氢氟酸、磷酸、甲酸、醋酸、氨水、胺类、过氧化氢、氢氧化钠、氢氧化钾等溶液。但不耐强氧化的腐蚀，如发烟硫酸·浓硝酸、铬酸与硫酸的混合液。在室温下上述溶剂会对聚乙烯产生缓慢的侵蚀作用，而在90-100℃下，浓硫酸和浓硝酸会快速地侵蚀聚乙烯，使其破坏或分解。
聚乙烯在大气、阳光和氧的作用下，会发生老化，变色、龟裂、变脆或粉化，丧失其力学性能。在成型加工温度下，也会因氧化作用，使其熔体戮度下降，发生变色、出现条纹，故而在成型加工和使用过程或选材时应予以注意。正因为聚乙烯拥有如上特质，容易加工成型，因此聚乙烯的再生回收具有非常深远的价值。
发明内容
本发明提供一种拉伸强度高、伸长率高和撕裂强度高的PE保温膜及其制备方法，解决现有PE材料断裂伸长率和拉伸强度低等技术问题。
本发明采用以下技术方案：一种PE保温膜，其原料按质量份数配比如下：PE100份，PP微粉0.1-0.5份，硬脂酸钙0.2-0.6份，LDPE8-12份，二氧化钛1-5份，抗氧剂1010为0.3-0.7份，碳酸钙10-20份，PP5-15份，POE10-12份，BHT0.2-0.4份。
作为本发明的一种优选技术方案：所述PE保温膜的原料按质量份数配比如下：PE100份，PP微粉0.1份，硬脂酸钙0.2份，LDPE8份，二氧化钛1份，抗氧剂1010为0.3份，碳酸钙10份，PP5份，POE10份，BHT0.2份。
作为本发明的一种优选技术方案：所述PE保温膜的原料按质量份数配比如下：PE100份，PP微粉0.5份，硬脂酸钙0.6份，LDPE12份，二氧化钛5份，抗氧剂1010为0.7份，碳酸钙20份，PP15份，POE12份，BHT0.4份。
作为本发明的一种优选技术方案：所述PE保温膜的原料按质量份数配比如下：PE100份，PP微粉0.3份，硬脂酸钙0.4份，LDPE10份，二氧化钛3份，抗氧剂1010为0.5份，碳酸钙15份，PP10份，POE11份，BHT0.3份。
一种制备所述的PE保温膜的方法，步骤为：
第一步：按照质量份数配比称取PE、PP微粉、硬脂酸钙、LDPE、二氧化钛、抗氧剂1010、碳酸钙、PP、POE和BHT；
第二步：将原料投入捏合机中，升温至100-120℃，捏合20-30min；
第三步：捏合后在200-240℃下，挤出吹膜，连接体温度230℃，机头温度240℃，螺杆转速75r/min，牵引速度60r/min，吹胀比3。
有益效果
本发明所述一种PE保温膜及其制备方法采用以上技术方案与现有技术相比，具有以下技术效果：1、产品撕裂强度130-150kN/m，拉伸强度20-24MPa，粘结强度0.21-0.25MPa；2、伸长率400-600％，防雾滴天数150-160天，透光率89-91％；3、杨氏模量430-450MPa，柔韧性和弹性恢复性好，原料简单易得，制备方法简单，抗冲击能1.55-1.75J，可以广泛生产并不断代替现有材料。
具体实施方式
以下结合实例对本发明作进一步的描述，实施例仅用于对本发明进行说明，并不构成对权利要求范围的限制，本领域技术人员可以想到的其他替代手段，均在本发明权利要求范围内。
实施例1：
第一步：按照质量份数配比称取PE100份，PP微粉0.1份，硬脂酸钙0.2份，LDPE8份，二氧化钛1份，抗氧剂1010为0.3份，碳酸钙10份，PP5份，POE10份，BHT0.2份。
第二步：将原料投入捏合机中，升温至100℃，捏合20min。
第三步：捏合后在200-240℃下，挤出吹膜，连接体温度230℃，机头温度240℃，螺杆转速75r/min，牵引速度60r/min，吹胀比3。
产品撕裂强度130kN/m，拉伸强度20MPa，粘结强度0.21MPa；伸长率400％，防雾滴天数150天，透光率89％；杨氏模量430MPa，柔韧性和弹性恢复性好，原料简单易得，制备方法简单，抗冲击能1.55J。
实施例2：
第一步：按照质量份数配比称取PE100份，PP微粉0.5份，硬脂酸钙0.6份，LDPE12份，二氧化钛5份，抗氧剂1010为0.7份，碳酸钙20份，PP15份，POE12份，BHT0.4份。
第二步：将原料投入捏合机中，升温至120℃，捏合30min。
第三步：捏合后在200-240℃下，挤出吹膜，连接体温度230℃，机头温度240℃，螺杆转速75r/min，牵引速度60r/min，吹胀比3。
产品撕裂强度140kN/m，拉伸强度22MPa，粘结强度0.23MPa；伸长率500％，防雾滴天数155天，透光率90％；杨氏模量440MPa，柔韧性和弹性恢复性好，原料简单易得，制备方法简单，抗冲击能1.65J。
实施例3：
第一步：按照质量份数配比称取PE100份，PP微粉0.3份，硬脂酸钙0.4份，LDPE10份，二氧化钛3份，抗氧剂1010为0.5份，碳酸钙15份，PP10份，POE11份，BHT0.3份。
第二步：将原料投入捏合机中，升温至110℃，捏合25min。
第三步：捏合后在200-240℃下，挤出吹膜，连接体温度230℃，机头温度240℃，螺杆转速75r/min，牵引速度60r/min，吹胀比3。产品撕裂强度150kN/m，拉伸强度24MPa，粘结强度0.25MPa；伸长率600％，防雾滴天数160天，透光率91％；杨氏模量450MPa，柔韧性和弹性恢复性好，原料简单易得，制备方法简单，抗冲击能1.75J。

Claims (5)

1.一种PE保温膜，其特征在于，所述PE保温膜的原料按质量份数配比如下：PE100份，PP微粉0.1-0.5份，硬脂酸钙0.2-0.6份，LDPE8-12份，二氧化钛1-5份，抗氧剂1010为0.3-0.7份，碳酸钙10-20份，PP5-15份，POE10-12份，BHT0.2-0.4份。
2.根据权利要求1所述的一种PE保温膜，其特征在于，所述PE保温膜的原料按质量份数配比如下：PE100份，PP微粉0.1份，硬脂酸钙0.2份，LDPE8份，二氧化钛1份，抗氧剂1010为0.3份，碳酸钙10份，PP5份，POE10份，BHT0.2份。
3.根据权利要求1所述的一种PE保温膜，其特征在于，所述PE保温膜的原料按质量份数配比如下：PE100份，PP微粉0.5份，硬脂酸钙0.6份，LDPE12份，二氧化钛5份，抗氧剂1010为0.7份，碳酸钙20份，PP15份，POE12份，BHT0.4份。
4.根据权利要求1所述的一种PE保温膜，其特征在于，所述PE保温膜的原料按质量份数配比如下：PE100份，PP微粉0.3份，硬脂酸钙0.4份，LDPE10份，二氧化钛3份，抗氧剂1010为0.5份，碳酸钙15份，PP10份，POE11份，BHT0.3份。
5.一种制备权利要求1所述的PE保温膜的方法，其特征在于，包括如下步骤：
第一步：按照质量份数配比称取PE、PP微粉、硬脂酸钙、LDPE、二氧化钛、抗氧剂1010、碳酸钙、PP、POE和BHT；
第二步：将原料投入捏合机中，升温至100-120℃，捏合20-30min；
第三步：捏合后在200-240℃下，挤出吹膜，连接体温度230℃，机头温度240℃，螺杆转速75r/min，牵引速度60r/min，吹胀比3。
CN201610541136.2A 2016-07-11 2016-07-11 一种pe保温膜及其制备方法 Pending CN106188740A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106867082A (zh) * 2017-04-13 2017-06-20 杨寨 一种温室聚乙烯树脂塑料薄膜及其制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1358791A (zh) * 2000-12-12 2002-07-17 海尔科化工程塑料国家工程研究中心有限公司 一种制造农用棚膜用聚合物无机纳米复合组合物及其制备方法
CN103937075A (zh) * 2014-05-06 2014-07-23 康泰塑胶科技集团有限公司 一种聚乙烯波纹管材及其制备方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1358791A (zh) * 2000-12-12 2002-07-17 海尔科化工程塑料国家工程研究中心有限公司 一种制造农用棚膜用聚合物无机纳米复合组合物及其制备方法
CN103937075A (zh) * 2014-05-06 2014-07-23 康泰塑胶科技集团有限公司 一种聚乙烯波纹管材及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106867082A (zh) * 2017-04-13 2017-06-20 杨寨 一种温室聚乙烯树脂塑料薄膜及其制备方法

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Application publication date: 20161207