CN103571047A - 环保阻燃线缆用的挤出耐高温tpe材料 - Google Patents
环保阻燃线缆用的挤出耐高温tpe材料 Download PDFInfo
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Abstract
本发明属于聚合物改性和加工生产领域,具体涉及一种环保阻燃线缆用的挤出耐高温TPE材料。其特征是由以下组分按重量份组成:SEBS 50-100、白油50-150、聚丙烯100-200、环保阻燃剂200-300、稳定剂0.4-0.8。该材料防火阻燃等级可达到UL94 VO级,具有生产工艺简单,可重复利用,成形性好,强度高,耐低温性好、耐热温度高,可在120度下长期使用的优点,适用于挤出阻燃耐温线缆。
Description
技术领域:本发明属于聚合物改性和加工生产领域,具体涉及一种环保阻燃线缆用的挤出耐高温TPE材料。
技术背景:目前,线缆用的材料基本都是挤出成型的,材料大多采用两种,一种是传统PVC材料,它应用范围广、生产工艺简单、每年的需求量都在大幅度增长,但是长期使用温度范围在80℃以内,且耐低温性差,易开裂,低温时表面硬度变化较大,燃烧时产生有毒气体,使其应用范围受到限制另一种是阻燃EVA材料,使用温度范围在80℃以内,但其强度较低,耐低温性差,不耐折弯。
发明内容:本发明的目的是提供一种生产工艺简单,可重复利用,强度高,耐低温性好,耐高温可达120度的环保阻燃线缆用挤出耐高温TPE材料。
本发明的技术方案是:一种环保阻燃线缆用的挤出耐高温TPE材料,其特征是由以下组分按重量份组成:SEBS50-100、白油50-150、聚丙烯100-200、环保阻燃剂200-300、稳定剂0.4-0.8。其中,所述白油为石腊油或环烷油或二者的混合物;所述的稳定剂是主抗氧剂1010和辅助抗氧剂168 1∶1的混合物;所述的环保阻燃剂是主阻燃剂十溴二苯乙烷和辅助阻燃剂Sb2O3 2∶1的混合物。
加工方法为:在50-80℃的条件下,先将白油和SEBS在搅拌机内慢速混合20-30分钟后,再与其他的原料助剂一起混合20-30分钟,然后加入双螺杆挤出机中,经熔融挤出、冷却、造粒、包装成品即可。其中双螺杆挤出机的螺筒内温度为:一区170-180℃,二区180-190℃,三区180-190℃,四区180-190℃,五区180-190℃,六区180-190℃,七区180-190℃,八区180-190℃,机头180-190℃,双螺杆挤出机转速为100-400转/分。
本发明最佳的技术方案是:一种环保阻燃线缆用的挤出耐高温TPE材料,其特征是由以下组分按重量份组成:SEBS75、白油150、聚丙烯150、环保阻燃剂250、稳定剂0.6。其中,所述白油为石腊油或环烷油或二者的混合物;所述的稳定剂是主抗氧剂1010和辅助抗氧剂168 1∶1的混合物;所述的环保阻燃剂是主阻燃剂十溴二苯乙烷和辅助阻燃剂Sb203 2∶1的混合物。
加工方法为:在50℃-80℃的条件下,先将白油和SEBS在搅拌机内慢速混合20-30分钟后,再与其他的原料助剂一起混合20-30分钟,然后加入双螺杆挤出机中,经熔融挤出、冷却、造粒、包装成品即可。其中双螺杆挤出机的螺筒内温度为:一区170-180℃,二区180-190℃,三区180-190℃,四区180-190℃,五区180-190℃,六区180-190℃,七区180-190℃,八区180-190℃,机头180-190℃,双螺杆挤出机转速为100-400转/分。
本发明的有益效果:采用了超高分子量的SEBS,提高了材料的耐高温性,使新的共聚物在高温下的弹性和高温下的压变性能都大大提高,加入聚丙烯,改善了材料的熔体性能,形成了互穿网络结构的新材料,大大提高了材料在受热状态下的熔体强度,使材料适用于挤出吹塑工艺,同时,选用符合欧盟ROHS标准的环保型阻燃剂,通过合理的配比,阻燃效果可达到UL94V0级。具有生产工艺简单,可重复利用,成形性好,强度高,耐低温性好、耐热温度高,可在120度下长期使用的优点。
具体实施方式:以下结合具体实施例来进一步说明本发明的技术方案。
实施例1:一种环保阻燃线缆用的挤出耐高温TPE材料,其特征是由以下组分按重量份组成:SEBS50、白油200、聚丙烯100、环保阻燃剂300、稳定剂0.4。其中,所述白油为石腊油或环烷油或二者的混合物;稳定剂是主抗氧剂1010和辅助抗氧剂168 1∶1的混合物;环保阻燃剂是主阻燃剂十溴二苯乙烷和辅助阻燃剂Sb2O3 2∶1的混合物。
加工方法为:在50℃-80℃的条件下,先将白油和SEBS在搅拌机内慢速混合20-30分钟后,再与其他的原料助剂一起混合20-30分钟,然后加入双螺杆挤出机中,经熔融挤出、冷却、造粒、包装成品即可。其中双螺杆挤出机的螺筒内温度为:一区170-180℃,二区180-190℃,三区180-190℃,四区180-190℃,五区180-190℃,六区180-190℃,七区180-190℃,八区180-190℃,机头180-190℃,双螺杆挤出机转速为100-400转/分。
实施例2:一种环保阻燃线缆用的挤出耐高温TPE材料,其特征是由以下组分按重量份组成:SEBS100、白油100、聚丙烯200、环保阻燃剂200、稳定剂0.8。其中,所述白油为石腊油或环烷油或二者的混合物;稳定剂是主抗氧剂1010和辅助抗氧剂168 1∶1的混合物;环保阻燃剂是主阻燃剂十溴二苯乙烷和辅助阻燃剂Sb203 2∶1的合物。
加工方法为:在50℃-80℃的条件下,先将白油和SEBS在搅拌机内慢速混合20-30分钟后,再与其他的原料助剂一起混合20-30分钟,然后加入双螺杆挤出机中,经熔融挤出、冷却、造粒、包装成品即可。其中双螺杆挤出机的螺筒内温度为:一区170-180℃,二区180-190℃,三区180-190℃,四区180-190℃,五区180-190℃,六区180-190℃,七区180-190℃,八区180-190℃,机头180-190℃,双螺杆挤出机转速为100-400转/分。
实施例3:一种环保阻燃线缆用的挤出耐高温TPE材料,其特征是由以下组分按重量份组成:SEBS75、白油150、聚丙烯150、环保阻燃剂250、稳定剂0.6。其中,所述白油为石腊油或环烷油或二者的混合物;稳定剂是主抗氧剂1010和辅助抗氧剂168 1∶1的混合物;环保阻燃剂是主阻燃剂十溴二苯乙烷和辅助阻燃剂Sb203 2∶1的混合物。
加工方法为:在50℃-80℃的条件下,先将白油和SEBS在搅拌机内慢速混合20-30分钟后,再与其他的原料助剂一起混合20-30分钟,然后加入双螺杆挤出机中,经熔融挤出、冷却、造粒、包装成品即可。其中双螺杆挤出机的螺筒内温度为:一区170-180℃,二区180-190℃,三区180-190℃,四区180-190℃,五区180-190℃,六区180-190℃,七区180-190℃,八区180-190℃,机头180-190℃,双螺杆挤出机转速为100-400转/分。
Claims (5)
1.一种环保阻燃线缆用的挤出耐高温TPE材料,其特征是由以下组分按重量份组成:SEBS50-100、白油100-200、聚丙烯100-200、环保阻燃剂200-300、稳定剂0.4-0.8。
2.按权利要求1所述的一种环保阻燃线缆用的挤出耐高温TPE材料,其特征是由以下组分按重量份组成:SEBS75、白油150、聚丙烯150、环保阻燃剂250、稳定剂0.6。
3.按权利要求1或2所述的一种环保阻燃线缆用的挤出耐高温TPE材料,其特征是:所述白油为石腊油或环烷油或二者的混合物。
4.按权利要求1或2所述的一种环保阻燃线缆用的挤出耐高温TPE材料,其特征是:所述的环保阻燃剂是主阻燃剂十溴二苯乙烷和辅助阻燃剂Sb2O3 2∶1的混合物。
5.按权利要求1或2所述的一种环保阻燃线缆用的挤出耐高温TPE材料,其特征是:所述的稳定剂是主抗氧剂1010和辅助抗氧剂168 1∶1的混合物。
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CN104086940A (zh) * | 2014-07-04 | 2014-10-08 | 博硕科技(江西)有限公司 | 无卤阻燃tpe注塑料及其制备方法 |
CN108192265A (zh) * | 2017-12-02 | 2018-06-22 | 余姚优信塑业有限公司 | 一种阻燃tpe隔弧片及其制备方法 |
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CN101747579A (zh) * | 2008-12-22 | 2010-06-23 | 上海日之升新技术发展有限公司 | 一种低烟无卤阻燃热塑性弹性体及其制备方法 |
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CN104086940A (zh) * | 2014-07-04 | 2014-10-08 | 博硕科技(江西)有限公司 | 无卤阻燃tpe注塑料及其制备方法 |
CN108192265A (zh) * | 2017-12-02 | 2018-06-22 | 余姚优信塑业有限公司 | 一种阻燃tpe隔弧片及其制备方法 |
CN108192265B (zh) * | 2017-12-02 | 2020-11-20 | 余姚优信塑业有限公司 | 一种阻燃tpe隔弧片及其制备方法 |
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