CN108610530A - 纳米改性高密度聚乙烯材料 - Google Patents

纳米改性高密度聚乙烯材料 Download PDF

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Publication number
CN108610530A
CN108610530A CN201611124876.2A CN201611124876A CN108610530A CN 108610530 A CN108610530 A CN 108610530A CN 201611124876 A CN201611124876 A CN 201611124876A CN 108610530 A CN108610530 A CN 108610530A
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Prior art keywords
density polyethylene
nano modification
antioxidant
dispersant
area
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Inventor
高璐
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Luqi Mdt Infotech Ltd Qingdao
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Luqi Mdt Infotech Ltd Qingdao
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Priority to CN201611124876.2A priority Critical patent/CN108610530A/zh
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/062HDPE

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

聚乙烯缺点是耐候性能和温度性能较差,通过纳米改性后,聚乙烯本身的物理性能将发生改变。本发明的目的是提供一种纳米改性高密度聚乙烯。纳米改性高密度聚乙烯材料由下列重量比的原料组成:高密度聚乙烯:70~80;纳米超细碳酸钙:10~30;偶联剂:0.5~1.5;PE蜡:1.0~2.0;抗氧剂:0.5~1.5;分散剂:0.5~1.5;交联剂:0.5~1.5。

Description

纳米改性高密度聚乙烯材料
技术领域
本发明属于纳米改性高密度聚乙烯材料材料生产技术领域,改善了纳米改性高密度聚乙烯材料的不足。
背景技术
聚乙烯简称PE,是五大合成树脂之一。聚乙烯-简聚乙烯主要分为线性低密度聚乙烯(LLDPE)、低密度聚乙烯(LDPE)、高密度聚乙烯(HDPE)三大类。HDPE通常用于强度高、韧性好的产品,如防弹材料。其缺点是耐候性能和温度性能较差,通过纳米改性后,聚乙烯本身的物理性能将发生改变。
发明内容
本发明的目的是提供一种纳米改性高密度聚乙烯。纳米改性高密度聚乙烯材料由下列重量比的原料组成:
高密度聚乙烯:70~80;
纳米超细碳酸钙:10~30;
偶联剂:0.5~1.5;
PE蜡:1.0~2.0;
抗氧剂:0.5~1.5;
分散剂:0.5~1.5;
交联剂:0.5~1.5。
本发明中所述分散剂为TAS-2A分散润滑剂,所述抗氧剂为乙烯-辛烯的共聚物,所述交联剂为过氧化二异丙苯,所述偶联剂为钛酸酯。
该纳米改性高密度聚乙烯材料的制备方法为:先将纳米超细碳酸钙进行表面处理,再将上述各种原料在高速混合器中干混3-5分钟,再置于双螺杆挤出机中经熔融挤出、冷却、切粒、包装成品即可;其中,双螺杆挤出机一区温度为80-900℃,二区为150-170℃,三区为180-190℃,四区为175-185℃;五区为175-185℃,停留时间为1-2分钟,压力为10-15Mpa。
具体实施方式
下面通过具体实施方式对发明做进一步说明,以下实施例是对本发明进行说明而非加以限定。
实施例1
(1)按重量比分别称取各原料如下:
高密度聚乙烯:70;
纳米超细碳酸钙:10;
偶联剂:0.5;
PE蜡:1.0;
抗氧剂:0.5;
分散剂:0.5;
交联剂:0.5。
(2)将先将纳米超细碳酸钙进行表面处理,再将上述各种原料在高速混合器中干混3-5分钟,再置于双螺杆挤出机中经熔融挤出、冷却、切粒、包装成品即可;其中,双螺杆挤出机一区温度为80-900℃,二区为150-170℃,三区为180-190℃,四区为175-185℃;五区为175-185℃,停留时间为1-2分钟,压力为10-15Mpa。
实验结果:
实施例2
(1)按重量比分别称取各原料如下:
高密度聚乙烯:75;
纳米超细碳酸钙:20;
偶联剂:1.0;
PE蜡:1.5;
抗氧剂:1.0;
分散剂:1.0;
交联剂:1.0。
(2)将先将纳米超细碳酸钙进行表面处理,再将上述各种原料在高速混合器中干混3-5分钟,再置于双螺杆挤出机中经熔融挤出、冷却、切粒、包装成品即可;其中,双螺杆挤出机一区温度为80-900℃,二区为150-170℃,三区为180-190℃,四区为175-185℃;五区为175-185℃,停留时间为1-2分钟,压力为10-15Mpa。
实验结果:
实施例3
(1)按重量比分别称取各原料如下:
高密度聚乙烯:80;
纳米超细碳酸钙:30;
偶联剂:1.5;
PE蜡:2.0;
抗氧剂:1.5;
分散剂:1.5;
交联剂:1.5。
(2)将先将纳米超细碳酸钙进行表面处理,再将上述各种原料在高速混合器中干混3-5分钟,再置于双螺杆挤出机中经熔融挤出、冷却、切粒、包装成品即可;其中,双螺杆挤出机一区温度为80-900℃,二区为150-170℃,三区为180-190℃,四区为175-185℃;五区为175-185℃,停留时间为1-2分钟,压力为10-15Mpa。
实验结果:

Claims (3)

1.纳米改性高密度聚乙烯材料,其特征在于,由下列重量比原料组成:
高密度聚乙烯:70~80;
纳米超细碳酸钙:10~30;
偶联剂:0.5~1.5;
PE蜡:1.0~2.0;
抗氧剂:0.5~1.5;
分散剂:0.5~1.5;
交联剂:0.5~1.5。
2.根据权利要求1所述的纳米改性高密度聚乙烯材料,其特征在于,最优重量比原料组成为:
高密度聚乙烯:75;
纳米超细碳酸钙:20;
偶联剂:1.0;
PE蜡:1.5;
抗氧剂:1.0;
分散剂:1.0;
交联剂:1.0。
3.根据权利要求1所述的纳米改性高密度聚乙烯材料,其特征在于,所述分散剂为TAS-2A分散润滑剂,所述抗氧剂为乙烯-辛烯的共聚物,所述交联剂为过氧化二异丙苯,所述偶联剂为钛酸酯。
CN201611124876.2A 2016-12-09 2016-12-09 纳米改性高密度聚乙烯材料 Pending CN108610530A (zh)

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