CN110483860A - 一种输油软管及其加工工艺 - Google Patents
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Abstract
本发明公开了一种输油软管及其加工工艺,包括如下原料丁晴橡胶或氯丁橡胶,炭黑,喷雾炭黑,塑化剂DOP(邻苯二甲酸二辛酯),促进剂DM(2、2'‑二硫代二苯并噻唑),促进剂D(二苯胍),轻钙,氧化锌,硬脂酸,防老剂RD(2,2,4‑三甲基‑1,2‑二氢化喹啉聚合体),抗氧剂MB(2‑巯基苯并咪唑),以及硫化剂S(硫磺),通过将上述的原料经过混炼,开炼,挤出以及硫化过程后,便可得到了一种具有耐油且具有耐受性的输油软管。
Description
技术领域
本发明涉及软管技术领域,具体涉及一种输油软管及其加工工。
背景技术
输油软管被广泛应用于工程机械,汽车以及原料运输的技术领域,软管作为直接输送介质物质,承受着介质带来的磨损与侵蚀,随着我国工业的快速发展,各行各业对耐热油管的需求越来越大。尤其在汽车制造业领域,由于汽车发动机室的温度增高、改性燃料和强腐蚀性发动机燃油使用的日益普遍,继续一种耐热耐油软管。然而,现有的软管不能满足现有的使用需求,如耐热性、耐化学药品性、耐油性等,由此导致软管经受不住以上各种情况而发生损坏,缩短使用寿命。
软管成型中,增加的炭黑作为填充剂,使得成型的软管具有耐油性,现有技术中例如专利号CN201410134187.4的中国发明,公开了耐热耐油软管,包括外胶层、内胶层以及位于二者之间的骨架层;其中内胶层包括橡胶原料,补强炭黑,快压出炉黑以及白炭黑,辅料,促进剂,交联剂以及硫化剂,所述中胶层包括橡胶,活性剂,硫化剂,促进剂,补强剂,增塑剂,防老剂,粘合剂组成,分内外软管成型工艺较为麻烦。
发明内容
为了解决现有技术中软管存在的耐油性,耐受强度差的技术问题,本发明提供了一种新型的输油软管配方以及其加工工艺。
本发明的技术方案是:一种输油软管,所述输油软管加工成型包括如下质量份原料,丁晴橡胶或氯丁橡胶100份,炭黑50-55份,喷雾炭黑50-55份,塑化剂DOP(邻苯二甲酸二辛酯)25-35份,促进剂DM(2、2'-二硫代二苯并噻唑)0.5-0.8份,促进剂D(二苯胍)0-0.2份,轻钙0-30份,氧化锌0-5份,硬脂酸1-1.5份,防老剂RD(2,2,4-三甲基-1,2-二氢化喹啉聚合体)1-1.5份,抗氧剂MB(2-巯基苯并咪唑)0-1.5份,以及硫化剂S(硫磺)2-2.5份。
优选的,所述炭黑包括如下型号,炭黑N774以及炭黑N330。
优选的,所述促进剂还包括分散剂RL16或分散剂WB16,所述分散剂RL16或分散剂WB16的质量份为0-2份。
优选的,所述软管成型原料内还包括如下质量份辅料MgO(氧化镁)0-4份,石蜡0-1份。
优选的,所述防老剂还包括4010NA(异丙基-N’-苯基对苯二胺)0-1.5份。
一种权利要求1所述的输油软管的加工工艺,包括如下步骤:
混炼步骤:将上述原料加入密炼机进行共混,所述密炼机在常温下进行共混;
开炼步骤:将混炼步骤得到的原料放入开炼机上,同时加入硫化剂S(硫磺),进行开炼,所述的开炼机温度设置在75-100℃,将开炼得到的初料进行切片;
挤出步骤:将开炼步骤得到的橡胶切片放入橡胶挤出机中加热进行挤出,得到管胚;
硫化步骤:将挤出步骤得到的管胚套在模具上,挂入硫化罐内,通热蒸汽进行硫化,所述硫化过程中热蒸汽压力在0.5±0.05Mpa,热蒸汽温度在150±5℃条件下硫化30min,即可得到所需的输油软管。
优选的,所述挤出步骤中的螺杆挤出机的多级加热装置中的机头以及出料口温度分别为75℃以及70℃,其中机头与出料口之间加热段的加热温度为45-60℃。
本发明的有益效果是:本发明改善了软管成型过程中的原料配比,同时,在橡胶成型工艺过程,对橡胶挤出以及硫化过程中的条件进行优化,使得软管具有较佳的耐油,耐高低温性能。
附图说明
图1为具体实施方式1和具体实施方式2试验数据。
具体实施方式
以下结合具体实施例对本发明做进一步详细说明,应对理解,这些实施例是对本发明的解释说明,不应用于限制本发明的范围。
实施方式1
一种输油软管,包括如下质量份配方,丁晴橡胶100份,炭黑(N330)55份,炭黑喷雾55份, DOP(邻苯二甲酸二辛酯)35份,轻钙30份,氧化锌5份,硬脂酸1份, MB(2-巯基苯并咪唑)1.5份, RD(2,2,4-三甲基-1,2-二氢化喹啉聚合体)1.5份,硫磺2.5份, DM(2、2'-二硫代二苯并噻唑)0.8份,D(二苯胍)0.2份。
将上述原料经过如下步骤进行加工;
混炼:将上述原料加入密炼机进行共混,所述密炼机在常温下进行共混;
开炼:将混炼步骤得到的原料放入开炼机上,同时加入硫化剂S(硫磺),进行开炼,所述的开炼机温度设置在80℃,将开炼得到的初料进行切片;
挤出:将开炼步骤得到的橡胶切片放入橡胶挤出机中加热进行挤出,其中挤出机的为5段加热,其加机头至出料口的加热温度依次为75℃,60℃,55℃,60℃,70℃,挤出得到管胚;
硫化:将挤出步骤得到的管胚套在模具上,挂入硫化罐内,通热蒸汽进行硫化,所述硫化过程中热蒸汽压力保持在0.5Mpa,热蒸汽温度在150℃条件下硫化30min,即可得到所需的输油软管。
实施方式2
一种输油软管,包括如下质量份配方,氯丁橡胶100份,炭黑(N774)50份,喷雾炭黑50份,分散剂(RL16)2份,DOP(邻苯二甲酸二辛酯)25份,氧化镁4份,硬脂酸1.5份,氧化锌5份,4010NA(异丙基-N’-苯基对苯二胺)1.5份,RD(2,2,4-三甲基-1,2-二氢化喹啉聚合体)1份,石蜡1份,DM(2、2'-二硫代二苯并噻唑)0.8份,硫磺2份。
将上述原料经过如下步骤进行加工;
混炼:将上述原料加入密炼机进行共混,所述密炼机在常温下进行共混;
开炼:将混炼步骤得到的原料放入开炼机上,同时加入硫化剂S(硫磺),进行开炼,所述的开炼机温度设置在80℃,将开炼得到的初料进行切片;
挤出:将开炼步骤得到的橡胶切片放入橡胶挤出机中加热进行挤出,其中挤出机的为5段加热,其加机头至出料口的加热温度依次为75℃,60℃,55℃,60℃,70℃,挤出得到管胚;
硫化:将挤出步骤得到的管胚套在模具上,挂入硫化罐内,通热蒸汽进行硫化,所述硫化过程中热蒸汽压力保持在0.5Mpa,热蒸汽温度在150℃条件下硫化30min,即可得到所需的输油软管。
对比实施方式1和实施方式2的两种配方可发现,其最主要的区别在于两者配方中的辅料添加量不同,实施方式1中的辅料轻钙,氧化锌以及硬脂酸的总质量份为36份,具体实施方式2中辅料氧化镁,硬脂酸,氧化锌的总质量份为10份,对两种配方的软管进行硬度,拉伸强度以及断裂伸长率的试验测试可以发现,实施方式1中的软管具有更高的拉伸强度以及硬度,实施方式2中的软管具有更高的断裂伸长率,具有更强的韧性,所以,当配方中的辅料添加量增多时,可以提高软管的硬度,当辅料添加量减少时,可以提升软管的韧性,通过改变辅料增加量改变胶管的耐受性以及韧性。
Claims (7)
1.一种输油软管,其特征在于:所述输油软管加工成型包括如下质量份原料,丁晴橡胶或氯丁橡胶100份,炭黑50-55份,喷雾炭黑50-55份,塑化剂DOP(邻苯二甲酸二辛酯)25-35份,促进剂DM(2、2'-二硫代二苯并噻唑)0.5-0.8份,促进剂D(二苯胍)0-0.2份,轻钙0-30份,氧化锌0-5份,硬脂酸1-1.5份,防老剂RD(2,2,4-三甲基-1,2-二氢化喹啉聚合体)1-1.5份,抗氧剂MB(2-巯基苯并咪唑)0-1.5份,以及硫化剂S(硫磺)2-2.5份。
2.根据权利要求1所述的一种输油软管,其特征在于:所述炭黑包括如下型号,炭黑N774以及炭黑N330。
3.根据权利要求1所述的一种输油软管,其特征在于:所述促进剂还包括分散剂RL16或分散剂WB16,所述分散剂RL16或分散剂WB16的质量份为0-2份。
4.根据权利要求1所述的一种输油软管,其特征在于:所述软管成型原料内还包括如下质量份辅料MgO(氧化镁)0-4份,石蜡0-1份。
5.根据权利要求1所述的一种输油软管,其特征在于:所述防老剂还包括4010NA(异丙基-N’-苯基对苯二胺)0-1.5份。
6.一种权利要求1所述的输油软管的加工工艺,其特征在于:包括如下步骤:
混炼步骤:将上述原料加入密炼机进行共混,所述密炼机在常温下进行共混;
开炼步骤:将混炼步骤得到的原料放入开炼机上,同时加入硫化剂S(硫磺),进行开炼,所述的开炼机温度设置在75-100℃,将开炼得到的初料进行切片;
挤出步骤:将开炼步骤得到的橡胶切片放入橡胶挤出机中加热进行挤出,得到管胚;
硫化步骤:将挤出步骤得到的管胚套在模具上,挂入硫化罐内,通热蒸汽进行硫化,所述硫化过程中热蒸汽压力在0.5±0.05Mpa,热蒸汽温度在150±5℃条件下硫化30min,即可得到所需的输油软管。
7.根据权利要求6所述的输油软管的加工工艺,其特征在于:所述挤出步骤中的螺杆挤出机的多级加热装置中的机头以及出料口温度分别为75℃以及70℃,其中机头与出料口之间加热段的加热温度为45-60℃。
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CN111696720A (zh) * | 2020-04-24 | 2020-09-22 | 上海蓝昊电气有限公司 | 一种轻量化卷盘高压电缆及其制备方法 |
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CN102367297A (zh) * | 2011-09-02 | 2012-03-07 | 芜湖禾田汽车工业有限公司 | 一种高耐油氯丁胶弯管橡胶及其制备方法 |
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CN107345009A (zh) * | 2017-07-20 | 2017-11-14 | 瑞源橡塑制品有限公司 | 橡胶软管 |
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CN102367302A (zh) * | 2011-09-02 | 2012-03-07 | 芜湖禾田汽车工业有限公司 | 弯管橡胶及其制备方法 |
CN102367297A (zh) * | 2011-09-02 | 2012-03-07 | 芜湖禾田汽车工业有限公司 | 一种高耐油氯丁胶弯管橡胶及其制备方法 |
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CN111696720B (zh) * | 2020-04-24 | 2021-10-29 | 上海蓝昊电气股份有限公司 | 一种轻量化卷盘高压电缆及其制备方法 |
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