CN104231398B - 一种耐酸改性聚乙烯及其制备方法 - Google Patents

一种耐酸改性聚乙烯及其制备方法 Download PDF

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CN104231398B
CN104231398B CN201410481908.9A CN201410481908A CN104231398B CN 104231398 B CN104231398 B CN 104231398B CN 201410481908 A CN201410481908 A CN 201410481908A CN 104231398 B CN104231398 B CN 104231398B
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CN104231398A (zh
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陈昌友
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ZHEJIANG ZHIGUANG PLASTIC & HOUSE WARES CO., LTD.
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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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • 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
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen
    • C08K5/42—Sulfonic acids; Derivatives thereof
    • 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
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature

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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)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

本发明公开了一种耐酸改性聚乙烯及其制备方法，耐酸改性聚乙烯包括按照质量份数计的如下原料：聚乙烯52‑60份、乙酰柠檬酸三丁酯2‑5份、纳米硅微粉10‑15份、硬脂酸锌1‑3份、烷基磺酸钠4‑5份。本发明对聚乙烯进行改性，所得改性后的聚乙烯可耐发烟硫酸，当发烟硫酸滴落其上时不会立即被腐蚀。

Description

一种耐酸改性聚乙烯及其制备方法
技术领域
本发明属于高分子材料领域，具体涉及一种耐酸改性聚乙烯及其制备方法。
背景技术
聚乙烯是一种热塑性树脂，全球的聚乙烯产量位居五大泛用树脂之首，无臭无毒且可燃，耐低温性能良好，化学稳定性好。虽然可耐稀硝酸、稀硫酸和任何浓度的盐酸，但是不耐具有强氧化性的酸，如浓硝酸，发烟硫酸，故在一定程度上限制了其使用。
综上所述，如何克服现有技术的不足已成为现有领域亟待解决的问题。
发明内容
本发明的目的是克服现有技术的不足而提出一种耐酸改性聚乙烯及其制备方法，本发明具有优良的耐酸性。
本发明的技术方案如下：
一种耐酸改性聚乙烯，包括按照质量份数计的如下原料：聚乙烯52-60份、乙酰柠檬酸三丁酯2-5份、纳米硅微粉10-15份、硬脂酸锌1-3份、烷基磺酸钠4-5份。
所述的耐酸改性聚乙烯，包括按照质量份数计的如下原料：聚乙烯56份、乙酰柠檬酸三丁酯3份、纳米硅微粉13份、硬脂酸锌2份、烷基磺酸钠4.5份。
一种耐酸改性聚乙烯的制备方法，包括以下步骤：按照质量配比称取各原料，于高混机中搅拌混合均匀，后将混料置于双螺杆挤出机中，控制各段温度为155-165℃，经挤出即得耐酸改性聚乙烯。
有益效果：本发明对聚乙烯进行改性，所得改性后的聚乙烯可耐发烟硫酸，当发烟硫酸滴落其上时不会立即被腐蚀。
具体实施方式
下面结合具体实施方式对本发明作进一步详细说明。
实施例1
耐酸改性聚乙烯，包括按照质量份数计的如下原料：聚乙烯52份、乙酰柠檬酸三丁酯2份、纳米硅微粉10份、硬脂酸锌1份、烷基磺酸钠4份。
本实施例的制备方法，包括以下步骤：按照质量配比称取各原料，于高混机中搅拌混合均匀，后将混料置于双螺杆挤出机中，控制各段温度为165℃，经挤出即得耐酸改性聚乙烯。
将该实施例所得成品进行性能检测，检测结果见表1。
实施例2
耐酸改性聚乙烯，包括按照质量份数计的如下原料：聚乙烯60份、乙酰柠檬酸三丁酯5份、纳米硅微粉15份、硬脂酸锌3份、烷基磺酸钠5份。
本实施例的制备方法，包括以下步骤：按照质量配比称取各原料，于高混机中搅拌混合均匀，后将混料置于双螺杆挤出机中，控制各段温度为155℃，经挤出即得耐酸改性聚乙烯。
将该实施例所得成品进行性能检测，检测结果见表1。
实施例3
耐酸改性聚乙烯，包括按照质量份数计的如下原料：聚乙烯60份、乙酰柠檬酸三丁酯5份、纳米硅微粉15份、硬脂酸锌3份、烷基磺酸钠5份。
本实施例的制备方法，包括以下步骤：按照质量配比称取各原料，于高混机中搅拌混合均匀，后将混料置于双螺杆挤出机中，控制各段温度为165℃，经挤出即得耐酸改性聚乙烯。
将该实施例所得成品进行性能检测，检测结果见表1。
将实施例1-3所得成品浸泡于发烟硫酸中，2d后取出冲洗烘干，以其残留率，结果见下表1：
表1 性能测试数据
实施例1 实施例2 实施例3
残留率，% 85 88 86
由上表可见，本发明所得成品对发烟硫酸具有良好的耐蚀性。
上述实施例仅是对本发明产品的说明，并非对本发明做出任何形式上的限制，在不脱离本发明的技术方案范围之内，任何利用上述揭示的技术内容作出简单变换的等同方案，均属本发明的保护范围。

Claims (1)

1.一种耐酸改性聚乙烯，其特征在于，包括按照质量份数计的如下原料：聚乙烯56 份、乙酰柠檬酸三丁酯3 份、纳米硅微粉13 份、硬脂酸锌2 份、烷基磺酸钠4.5 份；
所述的一种耐酸改性聚乙烯通过下述的制备方法制备得到：
按照质量配比称取各原料，于高混机中搅拌混合均匀，后将混料置于双螺杆挤出机中，控制各段温度为155-165℃，经挤出即得耐酸改性聚乙烯。
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