CN103497405B - 一种用于提高聚乙烯瓶盖生产速度的成核母料 - Google Patents

一种用于提高聚乙烯瓶盖生产速度的成核母料 Download PDF

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CN103497405B
CN103497405B CN201310492905.0A CN201310492905A CN103497405B CN 103497405 B CN103497405 B CN 103497405B CN 201310492905 A CN201310492905 A CN 201310492905A CN 103497405 B CN103497405 B CN 103497405B
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bottle cap
polyethylene
nucleation masterbatch
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CN103497405A (zh
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潘文强
傅发祥
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NANJING KING-TECH CHINA Co Ltd
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    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • 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
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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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
    • C08J2423/02—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
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/10—Applications used for bottles
    • 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
    • C08L2205/025—Polymer 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
    • 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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Abstract

本发明公开了一种用于提高聚乙烯瓶盖生产速度的成核母料，其组分按重量表示主要包括：95～99份PE；0.5～2.5份成核剂；0.1～0.9份水滑石；0.1～0.9份抗氧剂；0.1～0.9份分散剂。本发明采用成核剂与PE共混挤出造粒，所制备的成核母料能有效的提高聚乙烯的结晶温度，从而提高聚乙烯瓶盖的生产速度。

Description

一种用于提高聚乙烯瓶盖生产速度的成核母料
技术领域
本发明是塑料改性处理的技术领域，特别是涉及一种提高聚乙烯结晶温度的成核母料。
背景技术
聚乙烯由于其优异的理化性能广泛的运用于注塑等领域，但其结晶温度较低，这样很大程度上限制了聚乙烯的生产加工速度。成核母料的加入可以使聚乙烯的结晶温度提高5～10℃，从而加快结晶速度，快速固化，提高产率。成核母料填补了国内提高聚乙烯结晶温度材料的空白。
发明内容
本发明的目的在于提供一种用于提高聚乙烯瓶盖生产速度的成核母料，它能提高10～20%聚乙烯瓶盖生产速度。
本发明提供的成核母料，其组分按重量份数表示主要包括：
其中，所述成核剂为1,2_环己烷二羧酸钙盐。
制备本发明的配方优选重量（份）配比为：
制备本发明的配方优选重量（份）配比为：
本发明采用成核剂与PE共混挤出造粒，所制备的成核母料能有效的提高聚乙烯的结晶温度，从而提高聚乙烯瓶盖的生产速度。
具体实施方式
以下用具体实施例来详细说明本发明的实施方式，借此对本发明如何应用技术手段来解决技术问题，并达成技术效果的实现过程能充分理解并据以实施。
实施例1：
将PE、成核剂、水滑石、抗氧剂和分散剂等成分，按下述组分配方将所有原料放入高速混料机进行共混：
再将该共混料加入双螺杆挤出机中混炼造粒即为成核母料，所得成核母料与聚乙烯按比例共混后注塑生产瓶盖。生产速度如下表1所示：
表1：聚乙烯和添加成核母料的聚乙烯生产瓶盖的速度
聚乙烯 添加2%成核母料的聚乙烯
1分钟产能（个） 1000个 1200个
实施例2：
将HDPE、成核剂、水滑石、抗氧剂和分散剂等成分，按下述组分配方将所有原料放入高速混料机进行共混：
再将该共混料加入双螺杆挤出机中混炼造粒即为成核母料，所得成核母料与聚乙烯按比例共混后注塑生产瓶盖。生产速度如下表2所示：
表2：聚乙烯和添加成核母料的聚乙烯生产瓶盖的速度
聚乙烯 添加2%成核母料的聚乙烯
1分钟产能（个） 1000 1150
以上所述，本发明的上述方案都只能认为是对本发明的说明而不能限制本发明，权利要求书指出了本发明的范围，而上述的说明并未指出本发明的范围，因此，在于本发明的权利要求书相当的含义和范围内的任何改变，都应认为是包括在权利要求书的范围内。

Claims (1)

1.一种用于提高聚乙烯瓶盖生产速度的成核母料，其特征在于：其组分按重量份数表示包括：
所述成核剂为1,2-环己烷二羧酸钙盐；
所述PE选用高密度聚乙烯。
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