PREPARATION AND PROPERTIES OF UV-CURED POLYMER/ACRYLATE MODIFIED LAYERED DOUBLE HYDROXIDE NANOCOMPOSITES

Yan Yuan; Ren Liu; Xiao-ya Liu

doi:10.3724/SP.J.1105.2013.13121

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PREPARATION AND PROPERTIES OF UV-CURED POLYMER/ACRYLATE MODIFIED LAYERED DOUBLE HYDROXIDE NANOCOMPOSITES

Research Article | 更新时间：2021-03-19

- PREPARATION AND PROPERTIES OF UV-CURED POLYMER/ACRYLATE MODIFIED LAYERED DOUBLE HYDROXIDE NANOCOMPOSITES
- Acta Polymerica Sinica Issue 12, Pages: 1531-1536(2013)
- 作者机构：
  
  江南大学化学与材料工程学院教育部食品胶体与生物技术重点实验室,无锡,214122
- 作者简介：
- 基金信息：
- DOI：10.3724/SP.J.1105.2013.13121
  CLC：
- Published：20 December 2013，
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Yan Yuan, Ren Liu, Xiao-ya Liu. PREPARATION AND PROPERTIES OF UV-CURED POLYMER/ACRYLATE MODIFIED LAYERED DOUBLE HYDROXIDE NANOCOMPOSITES. [J]. Acta Polymerica Sinica (12):1531-1536(2013)
DOI：

Yan Yuan, Ren Liu, Xiao-ya Liu. PREPARATION AND PROPERTIES OF UV-CURED POLYMER/ACRYLATE MODIFIED LAYERED DOUBLE HYDROXIDE NANOCOMPOSITES. [J]. Acta Polymerica Sinica (12):1531-1536(2013) DOI： 10.3724/SP.J.1105.2013.13121.

摘要

采用先插层后接枝的两步法，将十二烷基硫酸钠（SDS）和半加成物异佛尔酮二异氰酸酯-丙烯酸羟乙酯（IPDI-HEA）先后引入层状双氢氧化物（LDH）中，制备得到层间含有UV固化型丙烯酸酯基团的有机改性LDH.随后在UV光辐照下，LDH层间丙烯酸酯活性基团参与UV固化反应，通过原位聚合法得到完全剥离的聚合物/LDH纳米复合材料.通过X-射线衍射（XRD）和红外分析（FTIR）证明了LDH的插层改性结构；透射电镜（TEM）证实了LDH以纳米级剥离分散于聚合物基体中.并对复合材料的热稳定性和机械性能进行了研究，发现当LDH在复合材料中含量为5%时，起始分解温度较纯聚合物上升64.6 K，最终残余量从4.0%上升到8.7%，而拉伸强度也从原来的8.5 MPa上升至14.7 MPa，其综合性能远优于未复合LDH的UV固化型聚合物.

Abstract

Organic layered double hydroxide (LDH) modified with UV curing acrylate group was synthesized by two steps method

which was first intercalated with sodium dodecyl sulfate (SDS) and then grafted by semiadduct of isophorone diisocyanate and 2-hydroxyethyl acrylate (IPDI-HEA).The reactive groups of the LDH would join in the UV curing reaction when exposed to the UV lamp

obtaining the exfoliated polymer/LDH nanocomposites via in situ polymerization.The X-ray diffraction (XRD) and Fourier transform infrared (FTIR) analyses were used to confirm the formation of modified LDH.Transmission electron microscope (TEM) observation of UV-cured nanocomposites indicated the exfoliated microstructure of LDH in the matrix of polymer.The thermal stability and mechanical properties were also measured.The results showed that the onset decomposition temperature of nanocomposite with 5% LDH loading increased by 64.6 K compared to the pure polymer

while the residual char increased to 8.7% from 4.0%.Also the tensile strength were enhanced to 14.7 MPa compared with 8.5 MPa of the pure polymer.As a result

the combination properties of UV-cured polymer/LDH showed great enhancements in comparison with polymer without LDH addition.

关键词

层状双氢氧化物纳米复合材料UV光固化丙烯酸酯

Keywords

Layered double hydroxideNanocompositesUV curingAcrylate

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The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University

State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University

(College of Architecture and Environment, The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MOE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), Sichuan University,)

State Key Laboratory of Power System, Department of Electrical Engineering, Tsinghua University

The Collaborative Innovation Center of Photovoltaic Science and Engineering of Jiangsu Province, Department of Materials Chemistry, Faculty of Materials Science and Engineering; Changzhou University

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