Preparation and characterization of waterborne acrylic magnetic pressure sensitive adhesive modified by nano-Fe<sub>3</sub>O<sub>4</sub> particle

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Preparation and characterization of waterborne acrylic magnetic pressure sensitive adhesive modified by nano-Fe₃O₄ particle

更新时间：2025-12-10

- Preparation and characterization of waterborne acrylic magnetic pressure sensitive adhesive modified by nano-Fe₃O₄ particle
- CIESC Journal Issue 12, Pages: 5135-5141(2015)
- 作者机构：
  
  华南理工大学化学与化工学院,广东,广州,510640
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20150565
  CLC： Q436.3
- Online First：05 December 2015，
  
  Published：05 December 2015
- 稿件说明：
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CHEN Weifeng, FU Heqing. Preparation and characterization of waterborne acrylic magnetic pressure sensitive adhesive modified by nano-Fe₃O₄ particle[J]. CIESC Journal, 2015, (12): 5135-5141. DOI: 10.11949/j.issn.0438-1157.20150565.
DOI：

CHEN Weifeng, FU Heqing. Preparation and characterization of waterborne acrylic magnetic pressure sensitive adhesive modified by nano-Fe₃O₄ particle[J]. CIESC Journal, 2015, (12): 5135-5141. DOI: 10.11949/j.issn.0438-1157.20150565. DOI：

摘要

利用硅烷偶联剂KH570对纳米Fe3O4进行修饰

得到了表面含有双键的改性Fe3O4。将纯纳米Fe3O4及修饰后的纳米Fe3O4分别和丙烯酸酯单体混合

采用原位聚合法制备一系列丙烯酸酯压敏胶(PSA)。通过红外光谱(FT-IR)、X射线衍射(XRD)、热重分析(TG)、扫描电镜(SEM)以及振动样品磁强计(VSM)对纳米Fe3O4和PSA进行表征。结果表明:加入纳米Fe3O4后成功制备了具有良好磁性能的水性丙烯酸酯PSA

且PSA的磁性能随纳米Fe3O4含量的增大而增强

纳米Fe3O4加入量为4%(质量分数)时

PSA的粘接性能最佳;纳米Fe3O4的加入能显著改善PSA的热稳定性

提高PSA的粘接性能;相对于纯纳米Fe3O4

经表面修饰后的Fe3O4对热稳定性的改善效果更好

与丙烯酸酯聚合物的相容性更好

在压敏胶中分布更均匀而不团聚

但饱和磁强度稍有减弱。

Abstract

To obtain a kind of nano-Fe3O4 with double linkage

nano-Fe3O4 particles were surface functionalized by a silane coupling agent KH-570. Then a series of waterborne acrylic magnetic pressure-sensitive adhesive (PSA) modified by nano-Fe3O4 and surface functionalized nano-Fe3O4 were prepared through in situ polymerization

respectively. The nanoparticles and PSA were characterized by Fourier transform infrared spectroscopy (FT-IR)

X-ray diffraction (XRD)

thermalgravimetry analysis (TG)

scanning electron microscopy (SEM) and vibrating sample magnetometer (VSM). The experimental results showed that the waterborne acrylic pressure sensitive adhesives with good magnetic properties were successfully prepared with the addition of nano-Fe3O4

The magnetic properties of PSA were improved with the increasing of nano-Fe3O4 content. When the content of KH570-Fe3O4 was about 4% (mass)

the PSA had the perfect adhesive properties. The thermal stability and adhesion properties of acrylate PSA were obviously improved by the addition of nano-Fe3O4 particles

especially by surface functionalized Fe3O4 particles. Furthermore

Compared to the pure Fe3O4

the surface functionalized Fe3O4 was better dispersed in acrylate PSA while the value of saturation magnetization of PSA decreased slightly.

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