CN104844973A - 一种耐磨耐热汽车线束用氟橡胶改性pvc电缆料及其制备方法 - Google Patents
一种耐磨耐热汽车线束用氟橡胶改性pvc电缆料及其制备方法 Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 34
- 229920001973 fluoroelastomer Polymers 0.000 title claims abstract description 11
- 239000004800 polyvinyl chloride Substances 0.000 title abstract description 23
- 229920000915 polyvinyl chloride Polymers 0.000 title abstract description 23
- 238000002360 preparation method Methods 0.000 title description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 15
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 15
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 9
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- JNXDCMUUZNIWPQ-UHFFFAOYSA-N trioctyl benzene-1,2,4-tricarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C(C(=O)OCCCCCCCC)=C1 JNXDCMUUZNIWPQ-UHFFFAOYSA-N 0.000 claims abstract description 7
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- RKQOSDAEEGPRER-UHFFFAOYSA-L zinc diethyldithiocarbamate Chemical compound [Zn+2].CCN(CC)C([S-])=S.CCN(CC)C([S-])=S RKQOSDAEEGPRER-UHFFFAOYSA-L 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 7
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- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 abstract description 2
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- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 abstract 2
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 abstract 1
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- 239000004808 2-ethylhexylester Substances 0.000 description 1
- KRADHMIOFJQKEZ-UHFFFAOYSA-N Tri-2-ethylhexyl trimellitate Chemical compound CCCCC(CC)COC(=O)C1=CC=C(C(=O)OCC(CC)CCCC)C(C(=O)OCC(CC)CCCC)=C1 KRADHMIOFJQKEZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
一种耐磨耐热汽车线束用氟橡胶改性PVC电缆料,由下列重量份的原料制成:PVC65-70、钙锌稳定剂7-8、偏苯三酸三辛酯40-50、三烯丙基异氰脲酸酯2.5-3、过氧化二异丙苯0.2-0.3、六氟丙烯三元共聚橡胶20-25、纳米氧化锌4-4.5、六铝酸钙2.5-3、微米级玻璃粉2-2.5、二乙基二硫代氨基甲酸锌2.4-2.8、钛酸铝2.8-3.2、有机粘土2-2.5、二甲苯1.2-1.6、热塑性聚氨酯18-22、抗氧剂1010 0.8-0.9。本发明电缆料通过使用六铝酸钙、微米级玻璃粉、钛酸铝、有机粘土,提高了电缆料的耐磨耐热性、耐热性,在专用耐刮磨设备上刮磨500次后无明显损伤。
Description
技术领域
本发明涉及电缆料领域,尤其涉及一种耐磨耐热汽车线束用氟橡胶改性PVC电缆料及其制备方法。
背景技术
热塑性聚氨酯( TPU) 是一种性能极好的弹性体,具有优良的耐酸碱性、耐油性和力学性能,并且使用温度范围大,可作为PVC 材料的增韧剂或改性剂。TPU 还能提高PVC 材料的加工流动性,起到增塑效果。但由于TPU 价格较贵,且阻燃性较差,其应用受到限制。PVC 的牌号多,应用广,成本低,是一种重要的通用塑料。TPU 与PVC混合交联,能有效降低TPU的成本,提高性能,扩大其应用范围; 另一方面,TPU 的加入能有效改善PVC 的耐低温性能。
《汽车用PVC/热塑性聚氨酯交联电缆料的研制》一文使用配方: PVC100 份,钙锌稳定剂8份,TOTM 50份,TAIC 3份,DCP 0.2份,TPU 30份,抗氧剂0.8 份,其他助剂适量,生产出合格的汽车用电缆料,但是该电缆料在耐热性、耐油性、耐紫外性、抗氧化性、耐腐蚀性、耐大气老化性、气密性、耐磨耐热性、耐低温性等方面还不尽如人意。
氟橡胶具有非常优异的耐辐射、耐高温、耐油、耐高真空及耐酸碱、耐多种化学药品的特点,可以使用氟橡胶以及其他原料和工艺对PVC/热塑性聚氨酯交联电缆料进行改性,以提高该电缆料的各项性能。
发明内容
本发明的目的在于提供一种耐磨耐热汽车线束用氟橡胶改性PVC电缆料,该电缆料的耐磨耐热性、耐热性好,在专用耐刮磨设备上刮磨500次后无明显损伤。
本发明的技术方案如下:
一种耐磨耐热汽车线束用氟橡胶改性PVC电缆料,其特征在于由下列重量份的原料制成:PVC65-70、钙锌稳定剂7-8、偏苯三酸三辛酯40-50、三烯丙基异氰脲酸酯2.5-3、过氧化二异丙苯0.2-0.3、六氟丙烯三元共聚橡胶20-25、纳米氧化锌4-4.5、六铝酸钙2.5-3、微米级玻璃粉2-2.5、二乙基二硫代氨基甲酸锌2.4-2.8、钛酸铝2.8-3.2、有机粘土2-2.5、二甲苯1.2-1.6、热塑性聚氨酯18-22、抗氧剂1010 0.8-0.9。
所述的耐磨耐热汽车线束用氟橡胶改性PVC电缆料的生产方法,其特征在于:
(1)将六氟丙烯三元共聚橡胶、过氧化二异丙苯、纳米氧化锌、六铝酸钙、微米级玻璃粉、钛酸铝、有机粘土、二甲苯混合,送入开炼机中,在60-70℃下开练4-5分钟,得到胶体;
(2)将第(1)步得到的胶体与PVC、钙锌稳定剂、偏苯三酸三辛酯、三烯丙基异氰脲酸酯、抗氧剂1010送入高速混合机中,高速搅拌,当物料温度达到115-120℃时,将物料放入冷混机中低速搅拌,当物料冷却至45-55℃时出料,得到混合物料;
(3)在不加热的情况下,将步骤(2)制得的物料与其他剩余成分送入高速混合机中混合4-5分钟,再送入平行双螺杆挤出机,在140-145℃下挤出造粒;
(4)将第(3)步得到的粒料送入开炼机中在140-145℃下开片,再送入热模压机中,在170-180℃下压片处理3-4分钟,在室温下交联1-2个小时,即得。
本发明的有益效果
本发明电缆料使用热塑性聚氨酯、氟橡胶与PVC共混,交联改性,能有效提高电缆料的性能,能有效改善PVC的耐低温性、耐热性、抗氧化性、耐油性、耐腐蚀性、绝缘性、气密性和耐大气老化性,扩大其应用范围;通过使用六铝酸钙、微米级玻璃粉、钛酸铝、有机粘土,提高了电缆料的耐磨耐热性、耐热性,在专用耐刮磨设备上刮磨500次后无明显损伤。
具体实施方式
一种耐磨耐热汽车线束用氟橡胶改性PVC电缆料,由下列重量份(公斤)的原料制成:PVC68、钙锌稳定剂7.5、偏苯三酸三辛酯45、三烯丙基异氰脲酸酯2.8、过氧化二异丙苯0.2、六氟丙烯三元共聚橡胶23、纳米氧化锌4.3、六铝酸钙2.8、微米级玻璃粉2.3、二乙基二硫代氨基甲酸锌2.6、钛酸铝3、有机粘土2.3、二甲苯1.4、热塑性聚氨酯20、抗氧剂1010 0.8。
所述的耐磨耐热汽车线束用氟橡胶改性PVC电缆料的生产方法,其特征在于:
(1)将六氟丙烯三元共聚橡胶、过氧化二异丙苯、纳米氧化锌、六铝酸钙、微米级玻璃粉、钛酸铝、有机粘土、二甲苯混合,送入开炼机中,在65℃下开练4分钟,得到胶体;
(2)将第(1)步得到的胶体与PVC、钙锌稳定剂、偏苯三酸三辛酯、三烯丙基异氰脲酸酯、抗氧剂1010送入高速混合机中,高速搅拌,当物料温度达到117℃时,将物料放入冷混机中低速搅拌,当物料冷却至50℃时出料,得到混合物料;
(3)在不加热的情况下,将步骤(2)制得的物料与其他剩余成分送入高速混合机中混合4分钟,再送入平行双螺杆挤出机,在140℃下挤出造粒;
(4)将第(3)步得到的粒料送入开炼机中在145℃下开片,再送入热模压机中,在175℃下压片处理3分钟,在室温下交联2个小时,即得。
实验数据:
经测试该实施例电缆料的拉伸强度为28MPa,断裂伸长率为304%,老化后拉伸强度变化率为-8%,老化后断裂伸长率变化率为-12%,200℃热稳定时间为184min,冲击脆化温度为-44℃,20℃体积电阻率为2.5×1012Ω﹒m,热延伸率为125%。
Claims (2)
1.一种耐磨耐热汽车线束用氟橡胶改性PVC电缆料,其特征在于由下列重量份的原料制成:PVC65-70、钙锌稳定剂7-8、偏苯三酸三辛酯40-50、三烯丙基异氰脲酸酯2.5-3、过氧化二异丙苯0.2-0.3、六氟丙烯三元共聚橡胶20-25、纳米氧化锌4-4.5、六铝酸钙2.5-3、微米级玻璃粉2-2.5、二乙基二硫代氨基甲酸锌2.4-2.8、钛酸铝2.8-3.2、有机粘土2-2.5、二甲苯1.2-1.6、热塑性聚氨酯18-22、抗氧剂1010 0.8-0.9。
2.根据权利要求1所述的耐磨耐热汽车线束用氟橡胶改性PVC电缆料的生产方法,其特征在于:
(1)将六氟丙烯三元共聚橡胶、过氧化二异丙苯、纳米氧化锌、六铝酸钙、微米级玻璃粉、钛酸铝、有机粘土、二甲苯混合,送入开炼机中,在60-70℃下开练4-5分钟,得到胶体;
(2)将第(1)步得到的胶体与PVC、钙锌稳定剂、偏苯三酸三辛酯、三烯丙基异氰脲酸酯、抗氧剂1010送入高速混合机中,高速搅拌,当物料温度达到115-120℃时,将物料放入冷混机中低速搅拌,当物料冷却至45-55℃时出料,得到混合物料;
(3)在不加热的情况下,将步骤(2)制得的物料与其他剩余成分送入高速混合机中混合4-5分钟,再送入平行双螺杆挤出机,在140-145℃下挤出造粒;
(4)将第(3)步得到的粒料送入开炼机中在140-145℃下开片,再送入热模压机中,在170-180℃下压片处理3-4分钟,在室温下交联1-2个小时,即得。
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CN106084319A (zh) * | 2016-06-13 | 2016-11-09 | 芜湖卓越线束系统有限公司 | 用于汽车右前门线束的抗菌橡胶及其制备方法 |
CN106084315A (zh) * | 2016-06-13 | 2016-11-09 | 芜湖卓越线束系统有限公司 | 抗菌汽车蓄电池线束及其制备方法 |
CN105936707A (zh) * | 2016-06-14 | 2016-09-14 | 苏州杰姆斯特机械有限公司 | 一种汽车用耐油耐高温聚氯乙烯电缆料及其制备方法 |
CN106269439A (zh) * | 2016-08-31 | 2017-01-04 | 中国南方航空工业(集团)有限公司 | 镀铬夹具的绝缘保护方法 |
CN106269439B (zh) * | 2016-08-31 | 2019-10-11 | 中国航发南方工业有限公司 | 镀铬夹具的绝缘保护方法 |
CN106566141A (zh) * | 2016-10-28 | 2017-04-19 | 当涂县金龙机械有限公司 | 一种微米级玻璃粉改性三元氟橡胶非金属补偿器及其制备方法 |
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