Adaptable thermal conductive, high toughness and compliant Poly(dimethylsiloxane) elastomer composites based on interfacial coordination bonds

材料科学 复合材料 弹性体 韧性 动态力学分析 热导率 聚合物
作者
Yinggang Ji,Zhibin Wen,Jianfeng Fan,Xiangliang Zeng,Xiaoliang Zeng,Rong Sun,Linlin Ren
出处
期刊:Composites Science and Technology [Elsevier BV]
卷期号:231: 109840-109840 被引量:8
标识
DOI:10.1016/j.compscitech.2022.109840
摘要

Compliant elastomers have been widely used in industry and daily life benefited from their large reversible deformability. But poor thermal conductivity and toughness of unfilled elastomers usually limit their use in thermal management. The most common method to increase these properties is to incorporate thermally conductive fillers to polymeric materials. However, thermally conductive network formed by the large of fillers not only decreases the elastomeric compliance, but may also damages the toughness. Herein, to study the effect of polymer/filler interfacial interaction on thermal and mechanical properties, we choose shorter poly(dimethylsiloxane) without entanglement to construct elastomer composites by non-covalent interfacial carboxyl/aluminum and carboxyl/zinc oxide coordination bonds. Time-domain thermoreflectance technique demonstrates that the strong interfacial interaction leads to reduced interfacial thermal resistance between polymeric materials and fillers, resulting in enhanced thermal conductivity of the elastomer composites. Otherwise, two independent dynamic coordination bonds have been investigated on temperature- and frequency-sweep rheometer. The results reveal that the elastomer composites can counteract the negative effect of high filler content on toughness and compliance according to energy-dissipation of dissociation and generation of dynamic coordination bonds. Thanks to the enhanced interfacial interaction, our material shows high toughness (1073 J/m2), thermally conductive (2.37 W/(m·K)), compliant (stress is 0.11 MPa and elongation break is 910%) and fully reprocess. For the application as thermal interface materials, we demonstrate effective heat dissipation on chip and LED. Our present work suggests that the design principles based on interfacial coordination interaction can be applied to the development of new classes of elastomer composites.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
Liang完成签到,获得积分10
1秒前
爱思考的小笨笨完成签到,获得积分10
2秒前
123456完成签到 ,获得积分10
2秒前
小飞完成签到 ,获得积分10
3秒前
俞斐完成签到,获得积分10
4秒前
我超爱cs完成签到,获得积分10
4秒前
爱因斯坦那个和我一样的科学家完成签到,获得积分10
11秒前
彭a完成签到,获得积分10
11秒前
Migrol完成签到,获得积分10
12秒前
高兴的小完成签到,获得积分10
12秒前
蕉鲁诺蕉巴纳完成签到,获得积分0
14秒前
慕青应助普鲁卡因采纳,获得10
14秒前
御剑乘风来完成签到,获得积分10
14秒前
李牛牛完成签到,获得积分10
18秒前
等待的代容完成签到,获得积分10
20秒前
传奇3应助小南孩采纳,获得10
20秒前
尊敬飞丹完成签到,获得积分10
21秒前
23秒前
离岸完成签到,获得积分10
23秒前
tian完成签到,获得积分10
25秒前
普鲁卡因发布了新的文献求助10
27秒前
daijk完成签到,获得积分10
28秒前
30秒前
风趣的烨磊完成签到,获得积分10
33秒前
仝富贵完成签到,获得积分10
34秒前
小南孩发布了新的文献求助10
35秒前
奔铂儿钯完成签到,获得积分10
36秒前
跳跃山柳完成签到,获得积分10
38秒前
量子星尘发布了新的文献求助10
40秒前
小南孩完成签到,获得积分10
43秒前
脑洞疼应助普鲁卡因采纳,获得10
49秒前
zhaoyaoshi完成签到 ,获得积分10
49秒前
chiazy完成签到,获得积分10
50秒前
智慧金刚完成签到 ,获得积分10
50秒前
汉堡包应助科研通管家采纳,获得10
50秒前
科研通AI2S应助科研通管家采纳,获得10
50秒前
50秒前
迪鸣完成签到,获得积分0
52秒前
浪费青春传奇完成签到 ,获得积分10
55秒前
少女徐必成完成签到 ,获得积分10
55秒前
高分求助中
【提示信息,请勿应助】关于scihub 10000
Les Mantodea de Guyane: Insecta, Polyneoptera [The Mantids of French Guiana] 3000
徐淮辽南地区新元古代叠层石及生物地层 3000
The Mother of All Tableaux: Order, Equivalence, and Geometry in the Large-scale Structure of Optimality Theory 3000
Handbook of Industrial Diamonds.Vol2 1100
Global Eyelash Assessment scale (GEA) 1000
Picture Books with Same-sex Parented Families: Unintentional Censorship 550
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 4038112
求助须知:如何正确求助?哪些是违规求助? 3575788
关于积分的说明 11373801
捐赠科研通 3305604
什么是DOI,文献DOI怎么找? 1819255
邀请新用户注册赠送积分活动 892655
科研通“疑难数据库(出版商)”最低求助积分说明 815022