CN106750716A - 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 PDFInfo
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- CN106750716A CN106750716A CN201510829872.3A CN201510829872A CN106750716A CN 106750716 A CN106750716 A CN 106750716A CN 201510829872 A CN201510829872 A CN 201510829872A CN 106750716 A CN106750716 A CN 106750716A
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- density polyethylene
- nano modification
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- 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
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。
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