CN113637213A - 一种耐老化橡胶的制备方法 - Google Patents
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Abstract
本发明涉及耐老化橡胶制备的技术领域,特别是涉及一种耐老化橡胶的制备方法,该橡胶耐腐蚀性能强,耐强酸强碱,不易发生取代反应;包括以下加工步骤:S1、将生胶放置于塑炼机中,之后通过塑炼机对生胶进行机械挤压和摩擦,在机械挤压与摩擦力作用下,使长链橡胶分子降解变短,由高弹性状态转变为可塑状态;S2、将步骤1中得到的塑炼生胶与其它配合剂放入炼胶机中进行机械拌合,混炼后得到胶料,为混炼胶;S3、将混炼胶加注进入硫化罐中,之后通入硫化剂,在160‑200℃条件下加热、保温,使生胶的线性分子间通过生成“硫桥”而相互交联成立体的网状结构,从而使塑性的胶料变成具有高弹性的硫化胶。
Description
技术领域
本发明涉及耐老化橡胶制备的技术领域,特别是涉及一种耐老化橡胶的制备方法。
背景技术
橡胶行业是国民经济的重要基础产业之一。它不仅为人们提供日常生活不可或缺的日用、医用等轻工橡胶产品,而且向采掘、交通、建筑、机械、电子等重工业和新兴产业提供各种橡胶制生产设备或橡胶部件。可见,橡胶行业的产品种类繁多,后向产业十分广阔。近几年来,橡胶行业得到不少发展,已有细分行业稳中有升,新生橡胶细分行业则飞速发展,但同时,橡胶行业也还存在环境、资源、灾害、创新等问题。
中国橡胶行业的发展前景广阔。到2010年,中国天然橡胶总消耗量将达到230万吨,橡胶工业的产品结构将有较大变化,新型产品、更新换代产品增多、新材料、新工艺应用扩大,生产技术有明显进步。随之而来的问题就是橡胶产品的性能跟不上科技发展的需要,高新科技领域对橡胶材料的要求是高强度、耐磨、耐腐蚀、耐老化,而目前的普通橡胶制品并不能符合质量要求。因此,需要一种耐老化橡胶,提高橡胶品质。
发明内容
为解决上述技术问题,本发明提供一种该橡胶耐腐蚀性能强,耐强酸强碱,不易发生取代反应的耐老化橡胶的制备方法。
本发明的一种耐老化橡胶的制备方法,包括以下加工步骤:
S1、将生胶放置于塑炼机中,之后通过塑炼机对生胶进行机械挤压和摩擦,在机械挤压与摩擦力作用下,使长链橡胶分子降解变短,由高弹性状态转变为可塑状态;
S2、将步骤1中得到的塑炼生胶与其它配合剂放入炼胶机中进行机械拌合,混炼后得到胶料,为混炼胶;
S3、将混炼胶加注进入硫化罐中,之后通入硫化剂,在160-200℃条件下加热、保温,使生胶的线性分子间通过生成“硫桥”而相互交联成立体的网状结构,从而使塑性的胶料变成具有高弹性的硫化胶。
本发明的一种耐老化橡胶的制备方法,所述配合剂包括以下材料:活化剂、防焦CTP、抗氧化剂、填料、增强剂、软化剂、增塑剂、着色剂、发泡剂、发泡助剂、阻燃剂和防老剂。
本发明的一种耐老化橡胶的制备方法,所述防老剂为醛胺类防老剂、酮胺类防老剂、二芳基仲胺类防老剂、酚类防老剂、杂环类防老剂、亚磷酸酯类防老剂、长效性防老剂、镍盐类防老剂、蜡类防老剂和复合防老剂中的一种或多种组合,由于每一种防老剂的防护作用都有其局限性,而橡胶制品在实际使用过程中的老化又是多种因素影响的结果,所以单用某一种防老剂不能很好地满足制品的防护要求。故一般都是两种以上的防老剂产用才能发挥其防护效能。
本发明的一种耐老化橡胶的制备方法,所述填料由白炭黑、氟化钙和碳酸钙混合而成。
本发明的一种耐老化橡胶的制备方法,所述增塑剂为聚乙烯蜡与聚氨酯中的一种。
本发明的一种耐老化橡胶的制备方法,所述软化剂为羊毛脂和硬脂酸混合而成。
本发明的一种耐老化橡胶的制备方法,所述增强剂为纳米二氧化钛和纳米二氧化硅中的一种。
本发明的一种耐老化橡胶的制备方法,所述硫化剂为硫磺、氧化镁和氧化铅中的一种。
本发明的有益效果为:该橡胶耐腐蚀性能强,耐强酸强碱,不易发生取代反应,该橡胶宽温域适应性好,满足宽温域使用要求,该橡胶质量可靠,经久耐用,该橡胶成本低廉、制备简单,适合规模化生产。
具体实施方式
下面结合实施例,对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明,但不用来限制本发明的范围。
实施例1
包括以下加工步骤:
S1、将生胶放置于塑炼机中,之后通过塑炼机对生胶进行机械挤压和摩擦,在机械挤压与摩擦力作用下,使长链橡胶分子降解变短,由高弹性状态转变为可塑状态;
S2、将步骤1中得到的塑炼生胶与其它配合剂放入炼胶机中进行机械拌合,混炼后得到胶料,为混炼胶;
S3、将混炼胶加注进入硫化罐中,之后通入硫化剂,在160-200℃条件下加热、保温,使生胶的线性分子间通过生成“硫桥”而相互交联成立体的网状结构,从而使塑性的胶料变成具有高弹性的硫化胶。
实施例2
所述配合剂包括以下材料:活化剂、防焦CTP、抗氧化剂、填料、增强剂、软化剂、增塑剂、着色剂、发泡剂、发泡助剂、阻燃剂和防老剂。。
实施例3
所述防老剂为醛胺类防老剂、酮胺类防老剂、二芳基仲胺类防老剂、酚类防老剂、杂环类防老剂、亚磷酸酯类防老剂、长效性防老剂、镍盐类防老剂、蜡类防老剂和复合防老剂中的一种或多种组合,由于每一种防老剂的防护作用都有其局限性,而橡胶制品在实际使用过程中的老化又是多种因素影响的结果,所以单用某一种防老剂不能很好地满足制品的防护要求。故一般都是两种以上的防老剂产用才能发挥其防护效能。
实施例4
所述填料由白炭黑、氟化钙和碳酸钙混合而成。
实施例5
所述增塑剂为聚乙烯蜡与聚氨酯中的一种。
实施例6
所述软化剂为羊毛脂和硬脂酸混合而成。
实施例7
所述增强剂为纳米二氧化钛和纳米二氧化硅中的一种。
实施例8
所述硫化剂为硫磺、氧化镁和氧化铅中的一种。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明技术原理的前提下,还可以做出若干改进和变型,这些改进和变型也应视为本发明的保护范围。
Claims (8)
1.一种耐老化橡胶的制备方法,其特征在于,包括以下加工步骤:
S1、将生胶放置于塑炼机中,之后通过塑炼机对生胶进行机械挤压和摩擦,在机械挤压与摩擦力作用下,使长链橡胶分子降解变短,由高弹性状态转变为可塑状态;
S2、将步骤1中得到的塑炼生胶与其它配合剂放入炼胶机中进行机械拌合,混炼后得到胶料,为混炼胶;
S3、将混炼胶加注进入硫化罐中,之后通入硫化剂,在160-200℃条件下加热、保温,使生胶的线性分子间通过生成“硫桥”而相互交联成立体的网状结构,从而使塑性的胶料变成具有高弹性的硫化胶。
2.如权利要求1所述的一种耐老化橡胶的制备方法,其特征在于,所述配合剂包括以下材料:活化剂、防焦CTP、抗氧化剂、填料、增强剂、软化剂、增塑剂、着色剂、发泡剂、发泡助剂、阻燃剂和防老剂。
3.如权利要求2所述的一种耐老化橡胶的制备方法,其特征在于,所述防老剂为醛胺类防老剂、酮胺类防老剂、二芳基仲胺类防老剂、酚类防老剂、杂环类防老剂、亚磷酸酯类防老剂、长效性防老剂、镍盐类防老剂、蜡类防老剂和复合防老剂中的一种或多种组合,由于每一种防老剂的防护作用都有其局限性,而橡胶制品在实际使用过程中的老化又是多种因素影响的结果,所以单用某一种防老剂不能很好地满足制品的防护要求。故一般都是两种以上的防老剂产用才能发挥其防护效能。
4.如权利要求2所述的一种耐老化橡胶的制备方法,其特征在于,所述填料由白炭黑、氟化钙和碳酸钙混合而成。
5.如权利要求2所述的一种耐老化橡胶的制备方法,其特征在于,所述增塑剂为聚乙烯蜡与聚氨酯中的一种。
6.如权利要求2所述的一种耐老化橡胶的制备方法,其特征在于,所述软化剂为羊毛脂和硬脂酸混合而成。
7.如权利要求2所述的一种耐老化橡胶的制备方法,其特征在于,所述增强剂为纳米二氧化钛和纳米二氧化硅中的一种。
8.如权利要求1所述的一种耐老化橡胶的制备方法,其特征在于,所述硫化剂为硫磺、氧化镁和氧化铅中的一种。
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