CN112940216A - 一种用于高低温试验箱的弹性体及制作方法 - Google Patents
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Abstract
本发明涉及一种用于高低温试验箱的弹性体及制作方法,该弹性体由发泡内芯及包覆发泡内芯的硅胶外层复合构成,硅胶外层通过硫化包胶方式紧密连接发泡内芯。制作通过发泡成型、包覆成型及完成步骤获得,先是通过发泡工序获得发泡体,该发泡体用于制成需要的发泡内芯,然后将获得的发泡内芯置于模具内,通过硫化包胶工艺在发泡内芯外周包覆硅胶外层,形成复合的弹性体;最后将获得的弹性体脱模及处理毛边作业,以获得适用高低温试验箱的弹性体。该弹性体具有极佳弹性及空间结构,耐高低温,适合制作高低温试验箱的孔塞,以便提升试验箱的工作性。制作步骤简单,产品复合结构紧密且不易分离,制作成本低,符合产业推广利用。
Description
技术领域
本发明涉及高分子材料技术领域,尤其涉及一种用于高低温试验箱的弹性体及制作方法。
背景技术
试验箱是环试行业产品的总称,是在有效的空间范围内模拟出自然的气候环境;如恒温恒湿、低温低湿、高低温湿热交变等等环境,适用于航空航天产品、信息电子仪器仪表、材料、电工、电子产品、各种电子元气件在各种环境下检验其各项性能指标。
高低温试验箱是常见的环境试验设备,为了给产品提供实验数据,经常需要对产品模拟各种环境,以测试产品在各种环境中的性能。高低温试验箱主要是试验各种材料耐热、耐寒、耐干性,因此,使用时,经常高低温转换,这样就需要耐高低温的零配件。孔塞是高低温试验箱上用于遮盖测试孔的部件,现有孔塞大部分是单一材质的橡胶实体,体形笨重,且弹性不足,使用寿命短,组装使用时常常由于密封不紧,导致测试孔存在密封不佳的问题,影响试验箱的工作。
发明内容
本发明的目的在于提供一种用于高低温试验箱的弹性体及制作方法,以解决上述技术问题。
为达到上述目的,本发明提供一种用于高低温试验箱的弹性体,该弹性体由发泡内芯及包覆发泡内芯的硅胶外层复合构成,硅胶外层通过硫化包胶方式紧密连接发泡内芯。
上述方案进一步是,该弹性体是孔塞。
为达到上述目的,本发明提供一种用于高低温试验箱的弹性体制作方法,该方法包括以下步骤:
S1、发泡成型,取发泡材料置于模具内,通过发泡工序获得发泡体,该发泡体用于制成需要的发泡内芯,发泡内芯的外表面自身具有孔隙;
S2、包覆成型,将步骤S1获得的发泡内芯置于模具内,通过硫化包胶工艺在发泡内芯外周包覆硅胶外层,形成复合的弹性体;
S3、完成步骤,将步骤S2获得的弹性体脱模及处理毛边作业,以获得适用高低温试验箱的弹性体。
上述方案进一步是,所述发泡材料按以下份数取料:
聚醚多元醇 330N: 6~8份
聚醚多元醇 3628: 2~4份
催化剂A33: 0.3~0.5份
催化剂A300: 0.1~0.3份
DMEA: 0.4~0.6份
乙二醇: 550~650份
二乙: 0.5~1.5份
开孔剂: 0.5~1.5份
水: 0.5~1.0 份
发泡剂: 10~15份。
上述方案进一步是,所述步骤S2的加热温度是180℃,生胶与发泡内芯一起置于模具内硫化成型,硅胶外层的内侧部分渗入发泡内芯自身形成的孔隙中。
上述方案进一步是,所述生胶由硅橡胶、硫化剂按重量比例100:1置入炼胶机中炼胶获得。
上述方案进一步是,所述发泡材料按以下份数取料:
聚醚多元醇 330N: 7份
聚醚多元醇 3628: 3份
催化剂A33: 0.4份
催化剂A300: 0.2份
DMEA: 0.5份
乙二醇: 600份
二乙: 1.0份
开孔剂: 1.0 份
水: 0.6 份
发泡剂: 12份。
上述方案进一步是,所述开孔剂是高回弹开孔剂 GK-16 ,发泡剂是二氯一氟乙烷。
本发明的弹性体由发泡内芯及包覆发泡内芯的硅胶外层复合构成,发泡内芯提供弹性支撑,具有极佳弹性及空间结构,而硅胶外层提升耐高低温、耐候性、憎水、电气绝缘性等,制作高低温试验箱的孔塞,有助于提升孔塞的实用性、密封性及使用寿命,以便提升试验箱的工作性。
本发明的弹性体制作步骤简单,产品复合结构紧密且不易分离,制作成本低,符合产业推广利用。
附图说明:
附图1为本发明的弹性体结构示意图;
附图2为本发明的步骤流程图。
具体实施方式:
以下将结合附图对本发明的构思、具体结构及产生的技术效果作进一步说明,以充分地了解本发明的目的、特征和效果。
参阅图1所示,是本发明的较佳实施例示意图,本发明有关一种用于高低温试验箱的弹性体,图中所示的该弹性体1是孔塞,用于配合高低温试验箱的测试孔密封使用,该弹性体1由发泡内芯11及包覆发泡内芯的硅胶外层12复合构成,硅胶外层12通过硫化包胶方式紧密连接发泡内芯11。工作时,发泡内芯11提供弹性支撑,具有极佳弹性及空间结构,收缩及回弹性好;而硅胶外层12提升耐高低温、耐候性、憎水、电气绝缘性等,还具有较佳手感,制作高低温试验箱的孔塞,有助于提升孔塞的实用性、密封性及使用寿命,以便提升试验箱的工作性。
参阅图2所示,本发明提供的一种用于高低温试验箱的弹性体制作方法,该方法包括以下步骤:
S1、发泡成型10,取发泡材料置于模具内,通过发泡工序获得发泡体,该发泡体用于制成需要的发泡内芯,发泡内芯的外表面自身具有孔隙;发泡体制成需要的发泡内芯可以是直接模具中发泡获得,也可以是整体发泡后再裁切获得,在此不限制;
S2、包覆成型20,将步骤S1获得的发泡内芯置于模具内,通过硫化包胶工艺在发泡内芯外周包覆硅胶外层,形成复合的弹性体;
S3、完成步骤30,将步骤S2获得的弹性体脱模及处理毛边作业,以获得适用高低温试验箱的弹性体。
本发明的制作步骤简单,产品复合结构紧密且不易分离,制作成本低,符合产业推广利用。
上述方案中,所述发泡材料按以下份数取料:
聚醚多元醇 330N: 6~8份
聚醚多元醇 3628: 2~4份
催化剂A33: 0.3~0.5份
催化剂A300: 0.1~0.3份
DMEA: 0.4~0.6份
乙二醇: 550~650份
二乙: 0.5~1.5份
开孔剂: 0.5~1.5份
水: 0.5~1.0 份
发泡剂: 10~15份。
所述开孔剂优选是高回弹开孔剂 GK-16 ,保证发泡内芯高回弹性及孔隙,发泡剂优选是二氯一氟乙烷。聚醚多元醇 330N和聚醚多元醇3628配合使用,增加发泡内芯的高回弹性,催化剂A33是胺催化剂,内含有33%的三乙烯二胺溶液,主要是促进多元醇反应使泡沫交联;催化剂A300生产泡沫会较开孔,保证发泡内芯的孔隙,同时维持发泡配方的稳定性,不会塌炮,改善发泡流动性。DMEA为一种高效的胺中和剂,具有pH值调整、稳定及辅助溶剂等效能。制作时,按比例取料置于模具内并搅拌,使发泡材料之间混合均匀,依照现有发泡工序获得发泡体。
上述方案中,所述步骤S2的加热温度是180℃,保证硫化包胶的同时,也保证发泡内芯不会改变特性。生胶与发泡内芯一起置于模具内硫化成型,然后通过水冷方式快速冷却,使硅胶外层紧密包裹发泡内芯,硅胶外层的内侧部分渗入发泡内芯自身形成的孔隙中,增加机械连接性。优选,所述生胶由硅橡胶、硫化剂按重量比例100:1置入炼胶机中炼胶获得,炼胶机炼胶 18~22分钟。硫化成型不仅可以获得紧密复合结构,提升产品使用性及寿命,且硫化后,硅胶具有优异的耐高、低温、耐候性、憎水、电气绝缘性、生理惰性等特点,极大提升弹性体的品质。
实施例:
所述发泡材料按以下份数取料:
聚醚多元醇 330N: 7份
聚醚多元醇 3628: 3份
催化剂A33: 0.4份
催化剂A300: 0.2份
DMEA: 0.5份
乙二醇: 600份
二乙: 1.0份
开孔剂: 1.0 份
水: 0.6 份
发泡剂: 12份。
经测试可知,上述实施例获得的发泡内芯具有超强的回弹性与透气性,低的邂后损失,较高的压缩负荷比值,亦具有较好的耐热性、耐疲劳性,泡孔直径大小混合分布,骨架粗细不同,有很大的开孔率。用于包覆硅胶外层后制作适合高低温试验箱使用的孔塞,该孔塞可以耐到220~260度的高温,低温可以耐到零下80度,极大提升孔塞的实用性、密封性及使用寿命。
当然,以上结合实施方式对本发明做了详细说明,只为说明本发明的技术构思及特点,其目的在于让熟悉此项技术的人了解本发明的内容并加以实施,因此,凡根据本发明精神实质所做的等效变化或修饰,都应涵盖在本发明的保护范围内。
Claims (8)
1.一种用于高低温试验箱的弹性体,其特征在于,该弹性体由发泡内芯及包覆发泡内芯的硅胶外层复合构成,硅胶外层通过硫化包胶方式紧密连接发泡内芯。
2.根据权利要求1所述的一种用于高低温试验箱的弹性体,其特征在于,该弹性体是孔塞。
3.一种用于高低温试验箱的弹性体制作方法,其特征在于,该方法包括以下步骤:
S1、发泡成型,取发泡材料置于模具内,通过发泡工序获得发泡体,该发泡体用于制成需要的发泡内芯,发泡内芯的外表面自身具有孔隙;
S2、包覆成型,将步骤S1获得的发泡内芯置于模具内,通过硫化包胶工艺在发泡内芯外周包覆硅胶外层,形成复合的弹性体;
S3、完成步骤,将步骤S2获得的弹性体脱模及处理毛边作业,以获得适用高低温试验箱的弹性体。
4.根据权利要求3所述的一种用于高低温试验箱的弹性体制作方法,其特征在于,所述发泡材料按以下份数取料:
聚醚多元醇 330N: 6~8份
聚醚多元醇 3628: 2~4份
催化剂A33: 0.3~0.5份
催化剂A300: 0.1~0.3份
DMEA: 0.4~0.6份
乙二醇: 550~650份
二乙: 0.5~1.5份
开孔剂: 0.5~1.5份
水: 0.5~1.0 份
发泡剂: 10~15份。
5.根据权利要求3所述的一种用于高低温试验箱的弹性体制作方法,其特征在于,所述步骤S2的加热温度是180℃,生胶与发泡内芯一起置于模具内硫化成型,硅胶外层的内侧部分渗入发泡内芯自身形成的孔隙中。
6.根据权利要求5所述的一种用于高低温试验箱的弹性体制作方法,其特征在于,所述生胶由硅橡胶、硫化剂按重量比例100:1置入炼胶机中炼胶获得。
7.根据权利要求4所述的一种用于高低温试验箱的弹性体制作方法,其特征在于,所述发泡材料按以下份数取料:
聚醚多元醇 330N: 7份
聚醚多元醇 3628: 3份
催化剂A33: 0.4份
催化剂A300: 0.2份
DMEA: 0.5份
乙二醇: 600份
二乙: 1.0份
开孔剂: 1.0 份
水: 0.6 份
发泡剂: 12份。
8.根据权利要求4或7所述的一种用于高低温试验箱的弹性体制作方法,其特征在于,所述开孔剂是高回弹开孔剂 GK-16 ,发泡剂是二氯一氟乙烷。
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204280224U (zh) * | 2014-11-04 | 2015-04-22 | 重庆阿泰可试验设备有限公司 | 一种箱体密封塞 |
CN106476988A (zh) * | 2016-11-30 | 2017-03-08 | 南京睿宇物联网科技有限公司 | 一种货舱舱口盖及制备其密封环的方法 |
WO2020116532A1 (ja) * | 2018-12-04 | 2020-06-11 | 日本発條株式会社 | 発泡シール材、および発泡シール材の製造方法 |
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---|---|---|---|---|
CN204280224U (zh) * | 2014-11-04 | 2015-04-22 | 重庆阿泰可试验设备有限公司 | 一种箱体密封塞 |
CN106476988A (zh) * | 2016-11-30 | 2017-03-08 | 南京睿宇物联网科技有限公司 | 一种货舱舱口盖及制备其密封环的方法 |
WO2020116532A1 (ja) * | 2018-12-04 | 2020-06-11 | 日本発條株式会社 | 発泡シール材、および発泡シール材の製造方法 |
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