Piezoelectric nanocomposite films based on anionic waterborne polyurethane and barium titanate nanoparticle: Fabrication, microstructure, and property characterization

材料科学 纳米复合材料 钛酸钡 复合材料 微观结构 聚氨酯 热分解 纳米颗粒 陶瓷 纳米技术 有机化学 化学
作者
Minyoung Seo,Feng Tang,Seok‐Ju Kim,Tae‐Gyeong Eom,Young‐Gi Song,Jin‐Hyeok Park,Young Gyu Jeong
出处
期刊:Polymer Composites [Wiley]
卷期号:45 (2): 1139-1152 被引量:8
标识
DOI:10.1002/pc.27841
摘要

Abstract We report the fabrication, microstructure, thermal property, and piezoelectric performance of flexible waterborne polyurethane (WPU) nanocomposite films reinforced with barium titanate (BT) nanoparticles with ~50 nm diameter. An anionic segmented WPU was synthesized via bulk polymerization, and its nanocomposite films containing 10–40 wt% BT were fabricated via aqueous dispersion casting and hot pressing. Although the BT nanoparticles interacted with the urethane groups of the WPU hard segment by inducing the separation of the semicrystalline soft segment, they were aggregated in the WPU matrix. Accordingly, the glass transition temperature of the WPU matrix decreased with BT content, but the melting temperature increased. As the BT content increased in the nanocomposite films, the thermal decomposition temperature of the WPU soft segment showed a slight decrease, while the decomposition temperature of the hard segment increased. Additionally, the residue at 600°C increased significantly from 2.0% for neat WPU film to 36.3% for the nanocomposite film containing 40 wt% BT. The piezoelectric outputs attained by the nanocomposite films increased with BT content. Under compressive stress of 23 kPa, the nanocomposite film containing 40 wt% BT was able to achieve the highest piezoelectric voltage of ~0.51 V, a current of ~43.0 nA, and an electric power of ~21.9 nW. For the nanocomposite film, a linear relationship between the piezoelectric out voltage and the applied compressive stress with a slope of ~0.0253 was also observed. Highlights Anionic waterborne polyurethane (WPU) with hard/soft segments is synthesized. Barium titanate (BT) nanoparticles are adopted as a piezoelectric nanofiller. WPU/BT nanocomposites are manufactured by dispersion casting and hot pressing. Specific interactions between BT nanoparticles and WPU hard segments exist. Piezoelectric outputs of nanocomposites increase with BT content and stress.
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
momo发布了新的文献求助10
刚刚
踏实的火龙果应助何白采纳,获得10
2秒前
3秒前
微醺小王发布了新的文献求助10
4秒前
Hello应助暴躁小龙采纳,获得10
5秒前
shenyu完成签到 ,获得积分10
6秒前
魏源发布了新的文献求助10
6秒前
ovoclive完成签到,获得积分10
7秒前
缥缈冷安完成签到,获得积分10
8秒前
SciGPT应助魏源采纳,获得10
12秒前
暴躁小龙完成签到,获得积分10
12秒前
13秒前
大模型应助勤奋梨愁采纳,获得10
13秒前
zwk完成签到,获得积分10
14秒前
Meidina完成签到,获得积分10
14秒前
微醺小王完成签到,获得积分10
15秒前
16秒前
David发布了新的文献求助20
18秒前
gan完成签到,获得积分10
18秒前
Jasper应助nini采纳,获得10
18秒前
暴躁小龙发布了新的文献求助10
18秒前
量子星尘发布了新的文献求助10
18秒前
遇见完成签到 ,获得积分10
20秒前
20秒前
只想困瞌睡完成签到,获得积分10
21秒前
tonyhuang完成签到,获得积分10
21秒前
鸣蜩阿六完成签到,获得积分10
23秒前
笃定完成签到,获得积分10
23秒前
41应助潘善若采纳,获得10
23秒前
23秒前
26秒前
momo发布了新的文献求助10
26秒前
whisper完成签到,获得积分10
27秒前
momo应助奚斌采纳,获得10
28秒前
情怀应助十九岁的时差采纳,获得10
29秒前
独角兽完成签到 ,获得积分10
30秒前
zhy完成签到,获得积分10
30秒前
30秒前
Rondab应助bluebear采纳,获得10
31秒前
David完成签到,获得积分10
35秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
‘Unruly’ Children: Historical Fieldnotes and Learning Morality in a Taiwan Village (New Departures in Anthropology) 400
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 350
Robot-supported joining of reinforcement textiles with one-sided sewing heads 320
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 3989297
求助须知:如何正确求助?哪些是违规求助? 3531418
关于积分的说明 11253893
捐赠科研通 3270097
什么是DOI,文献DOI怎么找? 1804884
邀请新用户注册赠送积分活动 882087
科研通“疑难数据库(出版商)”最低求助积分说明 809158