CN101236807B - 一种耐高温硅橡胶无卤电线电缆或套管的制作方法 - Google Patents

一种耐高温硅橡胶无卤电线电缆或套管的制作方法 Download PDF

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CN101236807B
CN101236807B CN2008100047017A CN200810004701A CN101236807B CN 101236807 B CN101236807 B CN 101236807B CN 2008100047017 A CN2008100047017 A CN 2008100047017A CN 200810004701 A CN200810004701 A CN 200810004701A CN 101236807 B CN101236807 B CN 101236807B
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temperature
vulcanizing agent
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silica gel
wire
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CN101236807A (zh
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吴广军
陆云浩
张万涛
付小丹
邓凯
薛华
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3f Electronics Industry Corp ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06Rod-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92561Time, e.g. start, termination, duration or interruption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • B29C2948/9259Angular velocity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885Screw or gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895Barrel or housing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92923Calibration, after-treatment or cooling zone

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

Abstract

本发明公开了一种耐高温硅橡胶无卤电线电缆或套管的制作方法,其包括:a.混合胶炼,将硅胶生料与铂金硫化剂的A组硫化剂和B组硫化剂混合并胶练,硅胶生料与A组铂金硫化剂比例600∶1,硅胶生料与B组硫化剂比例60∶1,混合胶练温度在50℃以下;b.挤出成型,将混合胶练好的混合物挤出成型,挤出温度在50℃以下,挤出速度为280-400转/分钟,牵引速度800-400转/分钟;c.硫化,将成型的电线电缆或套管硫化,硫化温度180-220℃,硫化时间36-45秒。本发明解决了阻燃硅橡胶电线电缆含有卤素不环保的问题,制作的成品无任何低分子析出,无任何异味;燃烧时低烟无卤素,不产生有害气体或有毒浓烟。

Description

一种耐高温硅橡胶无卤电线电缆或套管的制作方法
技术领域
本发明涉及一种电线电缆或套管的制作方法,具体的将采用硫化法制作电线电缆或套管的制作方法。
背景技术
现代工艺制作电线电缆或套管一般采取硫化工艺,即线性高分子通过交联作用而形成的网状高分子的工艺过程。从物性上即是塑性橡胶转化为弹性橡胶或硬质橡胶的过程。通过硫化提高了材料机械性能和电气性能,延长了材料的使用寿命。现在所采用的硫化剂,一般为过氧化物硫化剂,如双二五、双二四等,这些硫化剂含有氯、氟、溴、碘或砹等卤素,在燃烧的时候产生大量的烟雾,烟雾中含有大量的有毒或有害物质,不利于人身安全和火灾救助。
发明内容
针对现有技术存在的问题,本发明克服了上述缺点,其目的在于提供了一种具有良好的阻燃效果,并且燃烧起来没有毒害气体,更加环保的耐高温硅橡胶无卤电线电缆或套管的制作方法。
本发明解决其技术问题所采取的技术方案是:一种耐高温硅橡胶无卤电线电缆或套管的制作方法,其包括如下步骤:a混合胶炼,将硅胶生料与铂金硫化剂的A组硫化剂和B组硫化剂混合并胶练,硅胶生料与A组铂金硫化剂比例为600∶1,硅胶生料与B组硫化剂比例为60∶1,混合胶练温度在50℃以下;b挤出成型,用挤出成型机将混合胶练好的混合物挤出成型,挤出温度在50℃以下,挤出速度为280-400转/分钟,牵引速度800-400转/分钟;c硫化,将成型的电线电缆或套管硫化,硫化温度180-220℃,硫化时间36-45秒。
所述的耐高温硅橡胶无卤电线电缆或套管的制作方法,在a步骤的混合胶炼中,是将硅胶生料分成三份,一份与A组硫化剂配比完成后混炼2-3次,直到混炼均匀;另两份与B组硫化剂配比完成后混炼2-3次直到混炼均匀;然后将分别与A组和B组混炼好的混合物混合在一起,进行胶炼2-3次。
所述的耐高温硅橡胶无卤电线电缆或套管的制作方法,所述硫化时间为36秒。
本发明以铂金硫化剂为电线电缆或套管制作过程中使用的硫化剂,这种铂金硫化剂具有硫化温度低,硫化速度快的优点,解决了阻燃硅橡胶电线电缆含有卤素不环保的问题,制作的成品无任何低分子析出,无任何异味;燃烧时低烟无卤素,不产生有害气体或有毒浓烟,能够用在地铁、机场等公共场所的电气部分。
具体实施方式
实施方式一
制作耐高温硅橡胶无卤电线电缆或套管
1、混合胶炼
取硅胶生料1200份,取A组硫化剂2份,B组硫化剂20份,将硅胶生料与铂金硫化剂A组硫化剂和B组硫化剂混合后胶炼,混合和胶炼的温度在50℃以下;
2、挤出成型,用挤出成型机将混合胶炼以后的混合物挤出在金属导体上成电线电缆,或挤在模具中制成套管,挤出温度在50℃以下,挤出速度为280转/分钟,牵引速度400转/分钟。
3、硫化,将挤出成型的电线电缆在180-220℃的范围内,硫化36秒。
对经过硫化后的电线电缆进行检测,然后对成品进行包装。
实施方式二
制作耐高温硅橡胶无卤电线电缆或套管
1、混合胶炼
取硅胶生料1200份,取A组硫化剂2份,B组硫化剂20份,将硅胶生料与铂金硫化剂A组硫化剂和B组硫化剂混合后胶炼,混合和胶炼的温度在50℃以下;
2、挤出成型,用挤出成型机将混合胶炼以后的混合物挤出在金属导体上成电线电缆,或挤在模具中制成套管,挤出温度在50℃以下,挤出速度为400转/分钟,牵引速度800转/分钟。
3、硫化,将挤出成型的电线电缆在180-220℃的范围内,硫化45秒。对经过硫化后的电线电缆进行检测,然后对成品进行包装。
最佳实施例
制作耐高温硅橡胶无卤电线电缆或套管
1、取硅胶生料1200份,取A组硫化剂2份,B组硫化剂20份,将硅胶生料分成两份,一份400份,一份800份,将400份的硅胶生料与2份的A组硫化剂混合然后混炼2-3次,直到混炼均匀;将800份硅胶生料与20份的B组硫化剂混合然后混炼2-3次,直到混炼均匀,然后将两种混炼过的混合物在混合在一起,进行胶炼2-3次。
2、挤出成型,用挤出成型机将混合胶炼以后的混合物挤出在金属导体上成电线电缆,或挤在模具中制成套管,挤出温度在50℃以下,挤出速度为360转/分钟,牵引速度600转/分钟。
3、硫化,将挤出成型的电线电缆在180-220℃的范围内,硫化36秒。
对经过硫化后的电线电缆进行检测,然后对成品进行包装。
本发明生产的电线电缆或套管具有卓越的性能,相对于传统的过氧化物硫化。
1、次性硫化,无需二段硫化;
2、硫化后的成品无任何低分子析出,无任何异味;
3、环保等级高,通过欧盟RoHS,美国FDA,德国LMBG食品级认证等各种严格的检测;
4、成型硫化速度快,成型温度低,提高成产率,节约能源的使用;
5、成型后的产品物理性能优异,尺寸稳定,收缩率低,产品拉促强度,抗撕裂强度,回弹性性能大大的提高;
6、低烟无卤素,不产生有害气体或有毒浓烟。
具有如下技术参数
 性能  技术参数
 操作温度  -60℃到200℃
 额定电压  300到600V;1kV到30kV;
 热老化  1440小时210℃,材料性能残留值大于20%
 介电性能  1440小时210℃,1kV高压无击穿
 阻燃  VW-1,垂直燃烧;或”FT2”水平燃烧;
 体积电阻  1.5×10<sup>15</sup>Mohms
 耐臭氧  臭氧100pphm的65℃的环境,电线无变化
 耐霉菌  60天30℃的环境下,电线无变化
 耐收缩  230℃的15分钟,电线收缩小于1%
 环保  符合RoHS环保指令,无卤素;

Claims (3)

1.一种耐高温硅橡胶无卤电线电缆或套管的制作方法,其特征在于:其包括以下步骤:a混合胶炼,将硅胶生料与铂金硫化剂的A组硫化剂和B组硫化剂混合并胶炼,硅胶生料与A组硫化剂比例为600∶1,硅胶生料与B组硫化剂比例为60∶1,混合胶炼温度在50℃以下;b挤出成型,用挤出成型机将混合胶炼好的混合物挤出成型,挤出温度在50℃以下,挤出速度为280-400转/分钟,牵引速度800-400转/分钟;c硫化,将成型的电线电缆或套管硫化,硫化温度180℃-220℃,硫化时间为36-45秒,对经过硫化后的电线电缆进行检测,然后对成品进行包装。
2.根据权利要求1所述的耐高温硅橡胶无卤电线电缆或套管的制作方法,其特征在于:在a步骤的混合胶炼中,是将硅胶生料分成三份,一份与A组硫化剂配比完成后混炼2-3次,直到混炼均匀;另两份与B组硫化剂配比完成后混炼2-3次,直到混炼均匀;然后将分别与A组硫化剂和B组硫化剂混炼好的混合物混合在一起,进行胶炼2-3次。
3.根据权利要求1所述的耐高温橡胶无卤电线电缆或套管的制作方法,其特征在于:所述硫化时间为36秒。
CN2008100047017A 2008-01-21 2008-01-21 一种耐高温硅橡胶无卤电线电缆或套管的制作方法 Expired - Fee Related CN101236807B (zh)

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CN101947825A (zh) * 2010-09-17 2011-01-19 东莞市日新传导科技股份有限公司 线缆硫化方法
CN102642290B (zh) * 2012-04-28 2014-07-16 东莞日进电线有限公司 一种穿线硅胶套管的制备工艺
CN102729501B (zh) * 2012-06-28 2016-04-27 安徽都邦电器有限公司 一种硅橡胶增强软管的生产方法
CN107031019A (zh) * 2017-06-17 2017-08-11 河南驼人医疗器械集团有限公司 一种医用硅胶管的挤出方法
CN109385093A (zh) * 2017-08-08 2019-02-26 于晓彤 呼吸科用软管材料

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CN1339047A (zh) * 1999-02-02 2002-03-06 道·康宁公司 耐火的热塑性聚硅氧烷硫化橡胶

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