CN108084974A - 一种石墨烯超导热胶囊的制作工艺 - Google Patents

一种石墨烯超导热胶囊的制作工艺 Download PDF

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CN108084974A
CN108084974A CN201711237424.XA CN201711237424A CN108084974A CN 108084974 A CN108084974 A CN 108084974A CN 201711237424 A CN201711237424 A CN 201711237424A CN 108084974 A CN108084974 A CN 108084974A
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graphene
rubber
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王�锋
隋海涛
董立强
李海英
胡高全
马小刚
孙涛
庄儒彬
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Shandong Linglong Tyre Co Ltd
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Priority to CN201711237424.XA priority Critical patent/CN108084974A/zh
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Priority to PCT/CN2018/101785 priority patent/WO2019105072A1/zh
Priority to US16/766,754 priority patent/US10865287B1/en
Priority to EP18883733.0A priority patent/EP3719098B1/en
Priority to RS20211364A priority patent/RS62531B1/sr
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Abstract

本发明涉及一种石墨烯超导热胶囊的制作工艺。步骤如下：(1)将超导热石墨烯与橡胶预混合，制得石墨烯预分散母胶，将所述预分散母胶通过造粒、制片工艺做成粒状或片状固体，通过炼胶机混炼到胶料中制得超导热石墨烯混炼胶；(2)超导热石墨烯混炼胶通过挤出机按工艺压出相应尺寸胶条；将超导热石墨烯混炼胶胶条按工艺称量、定长制得胶胚，胶胚装到模压式胶囊模具中，合模、加压、加热，硫化制得石墨烯超导热胶囊成品。有益效果：本发明大幅度提高硫化胶囊材料的导热率，提高传热速度，从而提高产品硫化效率。

Description

一种石墨烯超导热胶囊的制作工艺
技术领域
本发明涉及一种石墨烯超导热胶囊的制作工艺。
背景技术
橡胶制品，尤其汽车轮胎用橡胶制品，硫化用胶囊材料主要成分为丁基橡胶填充补强碳黑，导热率极低，使用胶囊硫化制品过程中传热效果差，产品硫化效率低。因此，有必要提出有效的技术方案，解决上述问题。
发明内容
本发明针对上述现有技术的不足，提供一种石墨烯超导热胶囊的制作工艺。该工艺可提高产品硫化效率。
本发明解决上述技术问题的技术方案如下：
一种石墨烯超导热胶囊的制作工艺，步骤如下：
(1)将超导热石墨烯与橡胶预混合，制得石墨烯预分散母胶，将所述预分散母胶通过造粒、制片工艺做成粒状或片状固体，通过炼胶机混炼到胶料中制得超导热石墨烯混炼胶；
(2)超导热石墨烯混炼胶通过挤出机按工艺压出相应尺寸胶条；将超导热石墨烯混炼胶胶条按工艺称量、定长制得胶胚，胶胚装到模压式胶囊模具中，合模、加压、加热，硫化制得石墨烯超导热胶囊成品。
优选地，所述超导热石墨烯与橡胶按(0.1-10)：1重量比例预混合。
有益效果：本发明大幅度提高硫化胶囊材料的导热率，提高传热速度，从而提高产品硫化效率。本发明胶囊导热率比现有技术可提高50％至10000％，使用寿命可提高30％至3000％。使用超导热硫化胶囊可缩短制品硫化时间，同时减少了硫化胶囊更换次数及因此造成的停机待产时间，制品硫化生产效率可提升20％至100％，并可降低因胶囊损坏造成的产品质量缺陷。
具体实施方式
本发明提供一种石墨烯超导热胶囊的制作工艺，步骤如下：
(1)将超导热石墨烯与橡胶预混合，制得石墨烯预分散母胶，将所述预分散母胶通过造粒、制片工艺做成粒状或片状固体，通过炼胶机混炼到胶料中制得超导热石墨烯混炼胶；
(2)超导热石墨烯混炼胶通过挤出机按工艺压出相应尺寸胶条；将超导热石墨烯混炼胶胶条按工艺称量、定长制得胶胚，胶胚装到模压式胶囊模具中，合模、加压、加热，硫化制得石墨烯超导热胶囊成品。
作为本发明的一个实施例，所述超导热石墨烯与橡胶按(0.1-10)：1重量比例预混合。
石墨烯是一种由碳原子以sp2杂化方式形成的蜂窝状平面薄膜，是一种只有一个原子层厚度的准二维材料，是当前人类所发现、制造的强度最大、导电导热性能最好的纳米材料。本发明利用石墨烯具有的超强的机械强度、超高的导热率和高比表面积等特点，将其引入添加到硫化胶囊材料中，可以解决硫化胶囊丁基混炼胶料导热性差、拉伸强度低的缺点，从而获得了具有超高导热性、高强度、抗高温、耐老化、低透气的硫化胶囊。
石墨烯与常用材料导热率对比如下：
从表中可以看出，石墨烯的导热率是纯丁基橡胶的58888倍，是胶囊混炼胶的2万多倍，甚至比铁还高100多倍。
本发明石墨烯还可采用直接混炼法、溶液预混法制备超导热石墨烯混炼胶。具体的直接混炼法：将超导热石墨烯按比例称量，使用炼胶机直接混炼到胶囊胶中，制备得到超导热石墨烯混炼胶。石墨烯溶液预混法：将石墨烯溶液与炭黑、氧化锌等粉末状材料混合均匀，充分干燥，使石墨烯均匀吸附分散到粉末状材料中，制备得到石墨烯预混合粉状材料。石墨烯预混粉状材料按比例称量，通过炼胶机混炼到胶料中制得超导热石墨烯混炼胶。
本发明超导热石墨烯混炼胶还可通过注射式工艺制做石墨烯超导热胶囊。具体为将超导热石墨烯混炼胶胶条入料到注射式胶囊硫化机塑化挤出机喂料口，启动注射式胶囊硫化机自动塑化、注胶、硫化，制得石墨烯超导热胶囊成品。
本发明可用其他的不违背本发明的精神或主要特征的具体形式来概述。因此，无论从哪一点来看，本发明的上述实施方案都只能认为是对本发明的说明而不能限制本发明，权利要求书指出了本发明的范围，而上述的说明并未指出本发明的范围，因此，在与本发明的权利要求书相当的含义和范围内的任何改变，都应认为是包括在本发明的权利要求书的范围内。

Claims (2)

1.一种石墨烯超导热胶囊的制作工艺，其特征在于，步骤如下：
(1)将超导热石墨烯与橡胶预混合，制得石墨烯预分散母胶，将所述预分散母胶通过造粒、制片工艺做成粒状或片状固体，通过炼胶机混炼到胶料中制得超导热石墨烯混炼胶；
(2)超导热石墨烯混炼胶通过挤出机按工艺压出相应尺寸胶条；将超导热石墨烯混炼胶胶条按工艺称量、定长制得胶胚，胶胚装到模压式胶囊模具中，合模、加压、加热，硫化制得石墨烯超导热胶囊成品。
2.如权利要求1所述的石墨烯超导热胶囊的制作工艺，其特征在于，所述超导热石墨烯与橡胶按(0.1-10)：1重量比例预混合。
CN201711237424.XA 2017-11-30 2017-11-30 一种石墨烯超导热胶囊的制作工艺 Pending CN108084974A (zh)

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CN201711237424.XA CN108084974A (zh) 2017-11-30 2017-11-30 一种石墨烯超导热胶囊的制作工艺
PCT/CN2018/101785 WO2019105072A1 (zh) 2017-11-30 2018-08-22 一种石墨烯超导热胶囊的制作工艺
US16/766,754 US10865287B1 (en) 2017-11-30 2018-08-22 Process for manufacturing an ultra-high thermally conductive graphene curing bladder
EP18883733.0A EP3719098B1 (en) 2017-11-30 2018-08-22 Process for manufacturing super thermal-conductive graphene curing bladder
RS20211364A RS62531B1 (sr) 2017-11-30 2018-08-22 Proces za proizvodnju mehura za vulkanizaciju sa grafenom izvanredne toplotne provodljivosti

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