CN111978649A - 一种车用低发泡高强度补强胶片及其制备方法 - Google Patents
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- 239000012744 reinforcing agent Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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Abstract
本发明提供一种车用低发泡高强度补强胶片及其制备方法,涉及车用低发泡高强度补强胶片领域,包括低气味微发泡丁基胶条,其特征在于:低气味微发泡丁基胶条由如下原料制成:丁基橡胶、无机填料、增粘树脂、聚异丁烯、OBSH、除味剂、硫磺、促进剂组成,本发明低气味微发泡丁基胶条由丁基橡胶、无机填料、增粘树脂、聚异丁烯、OBSH、除味剂、硫磺、促进剂组成,选择丁基阻尼作为主体橡胶,并加入2%的除味剂,气味性可达到3.5级。
Description
技术领域
本发明车用低发泡高强度补强胶片领域,尤其涉及一种车用低发泡高强度补强胶片及其制备方法。
背景技术
丁基橡胶(IIR)是合成橡胶工业发展史上第一个高饱和橡胶品种,是异丁烯与少量异戊二烯的低温(-100℃左右)共聚物。少量的异戊二烯的引入是为了获得可供硫化的双键,以便硫黄硫化,从而提高丁基橡胶的通用性。由于结构上的特点,丁基橡胶具有较好的气密性,良好的气味性,但是也具有硫化速度慢、自粘性和互粘性差、相容性差、与补强剂之间的作用力差等不足,为改善目前主机厂使用的发泡胶条气味性较差的问题,现在以丁基橡胶作为主体橡胶,配合除味剂,同时选用低气味的发泡剂OBSH。
发明内容
本发明的目的在于提供一种车用低发泡高强度补强胶片及其制备方法,以解决上述技术问题。
本发明为解决上述技术问题,采用以下技术方案来实现:
一种车用低发泡高强度补强胶片及其制备方法,包括低气味微发泡丁基胶条,其特征在于:低气味微发泡丁基胶条由如下原料制成:丁基橡胶、无机填料、增粘树脂、聚异丁烯、OBSH、除味剂、硫磺、促进剂组成。
发泡丁基胶条的制备方法为:
(1)向炼胶机中依次投加丁基橡胶RB301、增粘树脂、无机填料、聚异丁烯;
(2)混炼20~120min后,将练胶机升温至80~120℃,继续混炼40~ 120min;
(3)冷却至5~55℃,向炼胶机中加入OBSH、除味剂,硫磺和促进剂;继续混炼10~15min,获得微发泡丁基胶条。
优选的,发泡倍率检测试验过程为:
(1)装有水的烧杯放置于天平上,将读数清零,用金属丝将铁片悬挂在烧杯中,保证铁片全部没入水中,且没有接触到容器底部和侧壁,此时读数记作m1;
(2)将样品贴在铁片上,用金属丝将贴有样品的铁片悬挂在烧杯中,保证铁片全部没入水中,且没有接触到容器底部和侧壁,此时读数记作m2;
(3)将贴有样品的铁片放入恒温干燥箱中烘烤(180℃*20min),取出后待冷却至室温后进行测量,用金属丝将贴有样品的铁片悬挂在烧杯中,保证铁片全部没入水中,且没有接触到容器底部和侧壁,此时读数记作m3;
(4)使用公式K=(m3-m1/m2-m1-1)×100%三次测量取平均值,结果保留小数点后一位。
本发明的有益效果是:
本发明低气味微发泡丁基胶条由丁基橡胶、无机填料、增粘树脂、聚异丁烯、OBSH、除味剂、硫磺、促进剂组成,选择丁基阻尼作为主体橡胶,并加入2%的除味剂,气味性可达到3.5级。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明,但下述实施例仅仅为本发明的优选实施例,并非全部。基于实施方式中的实施例,本领域技术人员在没有做出创造性劳动的前提下所获得其它实施例,都属于本发明的保护范围。下述实施例中的实验方法,如无特殊说明,均为常规方法,下述实施例中所用的材料、试剂等,如无特殊说明,均可从商业途径得到。
实施例1
一种低气味微发泡丁基胶条所含原料及重量百分比如表1实施例1所示,上述发泡丁基胶条的制备方法为:
(1)向炼胶机中依次投加丁基橡胶RB301、增粘树脂、无机填料、聚异丁烯;
(2)混炼20~120min后,将练胶机升温至80~120℃,继续混炼40~120min;
(3)冷却至5~55℃,向炼胶机中加入OBSH、除味剂,硫磺和促进剂;继续混炼10~15min,获得微发泡丁基胶条。
表1
原料 | 实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | 实施例6 |
丁基橡胶 | 20% | 20% | 30% | 30% | 30% | 30% |
无机填料 | 50% | 50% | 50% | 50% | 50% | 50% |
增粘树脂 | 15% | 15% | 15% | 15% | 15% | 15% |
聚异丁烯 | 10% | 10% | 10% | 10% | 10% | 10% |
OBSH | 1% | 5% | 1% | 5% | 5% | 5% |
除味剂 | 1% | 1% | 1% | 1% | 2% | 5% |
硫磺 | 2% | 2% | 2% | 2% | 2% | 2% |
促进剂 | 0.2% | 0.20% | 0.20% | 0.20% | 0.20% | 0.20% |
分别通以上每个实施例加的原料组成成分进行上述步骤得到六组发泡丁基胶条,然后进行检测,发泡倍率检测试验过程为:
(1)装有水的烧杯放置于天平上,将读数清零,用金属丝将铁片悬挂在烧杯中,保证铁片全部没入水中,且没有接触到容器底部和侧壁,此时读数记作m1;
(2)将样品贴在铁片上,用金属丝将贴有样品的铁片悬挂在烧杯中,保证铁片全部没入水中,且没有接触到容器底部和侧壁,此时读数记作m2;
(3)将贴有样品的铁片放入恒温干燥箱中烘烤(180℃*20min),取出后待冷却至室温后进行测量,用金属丝将贴有样品的铁片悬挂在烧杯中,保证铁片全部没入水中,且没有接触到容器底部和侧壁,此时读数记作m3;
(4)使用公式K=(m3-m1/m2-m1-1)×100%三次测量取平均值,结果保留小数点后一位,
六组实验的检测结果如下所示
从而可以得到发泡倍率越大,而气味性越低。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的仅为本发明的优选例,并不用来限制本发明,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (2)
1.一种车用低发泡高强度补强胶片及其制备方法,包括低气味微发泡丁基胶条,其特征在于:低气味微发泡丁基胶条由如下原料制成:丁基橡胶、无机填料、增粘树脂、聚异丁烯、OBSH、除味剂、硫磺、促进剂组成。
发泡丁基胶条的制备方法为:
(1)向炼胶机中依次投加丁基橡胶RB301、增粘树脂、无机填料、聚异丁烯;
(2)混炼20~120min后,将练胶机升温至80~120℃,继续混炼40~120min;
(3)冷却至5~55℃,向炼胶机中加入OBSH、除味剂,硫磺和促进剂;继续混炼10~15min,获得微发泡丁基胶条。
2.根据权利要求1所述的一种车用低发泡高强度补强胶片及其制备方法,其特征在于:发泡倍率检测试验过程为:
(1)装有水的烧杯放置于天平上,将读数清零,用金属丝将铁片悬挂在烧杯中,保证铁片全部没入水中,且没有接触到容器底部和侧壁,此时读数记作m1;
(2)将样品贴在铁片上,用金属丝将贴有样品的铁片悬挂在烧杯中,保证铁片全部没入水中,且没有接触到容器底部和侧壁,此时读数记作m2;
(3)将贴有样品的铁片放入恒温干燥箱中烘烤(180℃*20min),取出后待冷却至室温后进行测量,用金属丝将贴有样品的铁片悬挂在烧杯中,保证铁片全部没入水中,且没有接触到容器底部和侧壁,此时读数记作m3;
(4)使用公式K=(m3 -m1/m2 -m1 -1)×100%三次测量取平均值,结果保留小数点后一位。
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106867121A (zh) * | 2017-03-21 | 2017-06-20 | 国家电网公司 | 一种外覆式变压器消音止振材料 |
CN106893325A (zh) * | 2017-03-14 | 2017-06-27 | 深圳市沃尔核材股份有限公司 | 一种耐高温抗压变的耐火阻燃隔热材料、制备方法及应用 |
CN107200937A (zh) * | 2016-03-16 | 2017-09-26 | 青岛科技大学 | 一种丁基橡胶微孔发泡材料及其制备方法 |
CN109575455A (zh) * | 2018-11-16 | 2019-04-05 | 中国第汽车股份有限公司 | 一种低气味环保阻尼胶片及其制备方法 |
CN109627606A (zh) * | 2018-12-24 | 2019-04-16 | 江阴海达橡塑股份有限公司 | 一种低气味、低压缩变形的海绵密封材料及其制备方法 |
CN110540730A (zh) * | 2019-08-19 | 2019-12-06 | 长春一汽实业合成材料有限公司 | 一种环保阻尼胶片 |
CN110922689A (zh) * | 2019-12-13 | 2020-03-27 | 中国科学院长春应用化学研究所 | 一种覆热熔胶膜的丁基胶条及其制备方法 |
-
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107200937A (zh) * | 2016-03-16 | 2017-09-26 | 青岛科技大学 | 一种丁基橡胶微孔发泡材料及其制备方法 |
CN106893325A (zh) * | 2017-03-14 | 2017-06-27 | 深圳市沃尔核材股份有限公司 | 一种耐高温抗压变的耐火阻燃隔热材料、制备方法及应用 |
CN106867121A (zh) * | 2017-03-21 | 2017-06-20 | 国家电网公司 | 一种外覆式变压器消音止振材料 |
CN109575455A (zh) * | 2018-11-16 | 2019-04-05 | 中国第汽车股份有限公司 | 一种低气味环保阻尼胶片及其制备方法 |
CN109627606A (zh) * | 2018-12-24 | 2019-04-16 | 江阴海达橡塑股份有限公司 | 一种低气味、低压缩变形的海绵密封材料及其制备方法 |
CN110540730A (zh) * | 2019-08-19 | 2019-12-06 | 长春一汽实业合成材料有限公司 | 一种环保阻尼胶片 |
CN110922689A (zh) * | 2019-12-13 | 2020-03-27 | 中国科学院长春应用化学研究所 | 一种覆热熔胶膜的丁基胶条及其制备方法 |
Non-Patent Citations (2)
Title |
---|
橡胶工业原材料与装备简明手册编审委员会编著: "《橡胶工业原材料与装备简明手册 2016年版》", 31 December 2016, 北京理工大学出版社 * |
潘坡 等: ""乘用车橡胶密封条气味研究"", 《世界橡胶工业》 * |
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