CN104260305A - Epe连续式物理发泡板生产工艺 - Google Patents

Epe连续式物理发泡板生产工艺 Download PDF

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CN104260305A
CN104260305A CN201410385599.5A CN201410385599A CN104260305A CN 104260305 A CN104260305 A CN 104260305A CN 201410385599 A CN201410385599 A CN 201410385599A CN 104260305 A CN104260305 A CN 104260305A
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CN104260305B (zh
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周兴福
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CHONGQING BISHAN DISTRICT JIECHENG PLASTIC CO., LTD.
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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
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/141—Hydrocarbons
    • 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
    • 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
    • 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
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids
    • C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
    • 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
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/14—Applications used for foams

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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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

本发明公开了一种EPE连续式物理发泡板生产工艺，其方案对两级挤出机上的各个功能段的工艺温度进行了优化，本发明的有益技术效果是：可明显提高EPE成品质量。

Description

EPE连续式物理发泡板生产工艺
技术领域
    本发明涉及一种发泡板热挤出工艺，尤其涉及一种EPE连续式物理发泡板生产工艺。
背景技术
挤岀聚乙烯板（简称EPE）是以聚乙烯树脂加上其他原辅料与聚合物通过加热混合时注入发泡剂，然后挤塑成型的泡沫塑料板，它具有完美的闭孔蜂窝结构，极低的吸水性、低导热系数、高抗压性、抗老化性，是一种理想的绝热保温材料，也是传统的保温绝热板（即可发性能聚苯乙烯保温板，也叫EPS 板）的替代品。
制作EPE时，挤出机上各个功能区段位置处的温度参数将决定EPE的质量。
发明内容
发明人经过大量的实验研究后发现，挤出机上各个区段位置处的温度参数采用本发明的方案时，所制作出的EPE质量较好，具体方案为：
所涉及的硬件包括一级挤出机和二级挤出机，所述一级挤出机上依次形成送料段、第一塑化、第二塑化段、第一压缩段、第一均化段、第一屏障段、第一混炼段和连接体，所述二级挤出机上依次形成第三塑化段、第二压缩段、第二均化段、第二屏障段、第二混炼段、第三混炼段、第四混炼段、第五混炼段、第六混炼段、换网连接体、第一网板段、第二网板段、静态混炼器、T型模头Ⅰ区、T型模头Ⅱ区、T型模头Ⅲ区；一级挤出机通过连接体与二级挤出机上的第三塑化段连接；
所涉及的配方为：聚乙烯100 份、滑石粉4 份、颜料0.1份、丁烷12-15份、单甘脂6-8份；其中，聚乙烯、滑石粉和颜料通过一级挤出机的进料端送入一级挤出机内；用于注入丁烷和单甘脂的两个注入部均位于第二塑化段的区段范围内，单甘脂先于丁烷注入，单甘脂注入部和丁烷注入部之间间隔150mm；
其创新在于：所述一级挤出机上各个区段的温度分别为：送料段140℃、第一塑化155℃、第二塑化段180℃、第一压缩段180℃、第一均化段180℃、第一屏障段180℃、第一混炼段165℃、连接体160℃；
所述二级挤出机上各个区段的温度分别为：第三塑化段180℃、第二压缩段180℃、第二均化段185℃、第二屏障段185℃、第二混炼段140℃、第三混炼段120℃、第四混炼段100℃、第五混炼段95℃、第六混炼段95℃、换网连接体95℃、第一网板段93℃、第二网板段93℃、静态混炼器95℃、T型模头Ⅰ区105℃、T型模头Ⅱ区105℃、T型模头Ⅲ区105℃。
本发明的有益技术效果是：可明显提高EPE成品质量。
具体实施方式
一种EPE连续式物理发泡板生产工艺，所涉及的硬件包括一级挤出机和二级挤出机，所述一级挤出机上依次形成送料段、第一塑化、第二塑化段、第一压缩段、第一均化段、第一屏障段、第一混炼段和连接体，所述二级挤出机上依次形成第三塑化段、第二压缩段、第二均化段、第二屏障段、第二混炼段、第三混炼段、第四混炼段、第五混炼段、第六混炼段、换网连接体、第一网板段、第二网板段、静态混炼器、T型模头Ⅰ区、T型模头Ⅱ区、T型模头Ⅲ区；一级挤出机通过连接体与二级挤出机上的第三塑化段连接；
所涉及的配方为：聚乙烯100 份、滑石粉4 份、颜料0.1份、丁烷12-15份、单甘脂6-8份；其中，聚乙烯、滑石粉和颜料通过一级挤出机的进料端送入一级挤出机内；用于注入丁烷和单甘脂的两个注入部均位于第二塑化段的区段范围内，单甘脂先于丁烷注入，单甘脂注入部和丁烷注入部之间间隔150mm；
其创新在于：所述一级挤出机上各个区段的温度分别为：送料段140℃、第一塑化155℃、第二塑化段180℃、第一压缩段180℃、第一均化段180℃、第一屏障段180℃、第一混炼段165℃、连接体160℃；
所述二级挤出机上各个区段的温度分别为：第三塑化段180℃、第二压缩段180℃、第二均化段185℃、第二屏障段185℃、第二混炼段140℃、第三混炼段120℃、第四混炼段100℃、第五混炼段95℃、第六混炼段95℃、换网连接体95℃、第一网板段93℃、第二网板段93℃、静态混炼器95℃、T型模头Ⅰ区105℃、T型模头Ⅱ区105℃、T型模头Ⅲ区105℃。

Claims (1)

1.一种EPE连续式物理发泡板生产工艺，所涉及的硬件包括一级挤出机和二级挤出机，所述一级挤出机上依次形成送料段、第一塑化、第二塑化段、第一压缩段、第一均化段、第一屏障段、第一混炼段和连接体，所述二级挤出机上依次形成第三塑化段、第二压缩段、第二均化段、第二屏障段、第二混炼段、第三混炼段、第四混炼段、第五混炼段、第六混炼段、换网连接体、第一网板段、第二网板段、静态混炼器、T型模头Ⅰ区、T型模头Ⅱ区、T型模头Ⅲ区；一级挤出机通过连接体与二级挤出机上的第三塑化段连接；
所涉及的配方为：聚乙烯100 份、滑石粉4 份、颜料0.1份、丁烷12-15份、单甘脂6-8份；其中，聚乙烯、滑石粉和颜料通过一级挤出机的进料端送入一级挤出机内；用于注入丁烷和单甘脂的两个注入部均位于第二塑化段的区段范围内，单甘脂先于丁烷注入，单甘脂注入部和丁烷注入部之间间隔150mm；
其特征在于：所述一级挤出机上各个区段的温度分别为：送料段140℃、第一塑化155℃、第二塑化段180℃、第一压缩段180℃、第一均化段180℃、第一屏障段180℃、第一混炼段165℃、连接体160℃；
所述二级挤出机上各个区段的温度分别为：第三塑化段180℃、第二压缩段180℃、第二均化段185℃、第二屏障段185℃、第二混炼段140℃、第三混炼段120℃、第四混炼段100℃、第五混炼段95℃、第六混炼段95℃、换网连接体95℃、第一网板段93℃、第二网板段93℃、静态混炼器95℃、T型模头Ⅰ区105℃、T型模头Ⅱ区105℃、T型模头Ⅲ区105℃。
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Patentee after: CHONGQING BISHAN DISTRICT JIECHENG PLASTIC CO., LTD.

Address before: 402761 Bishan County, the streets of the village of blue bar Tong Village, the group of the 1 group of

Patentee before: CHONGQING JIECHENG PLASTIC (GROUP) CO., LTD.

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