Synthesis of melamine-formaldehyde microcapsules containing oil-based fragrances <i>via</i> intermediate polyacrylate bridging layers

Yanping He; Shunzhi Yao; Junzheng Hao; Hong Wang; Linhua Zhu; Tian Si; Yanlin Sun; Jianhao Lin

doi:10.1016/j.cjche.2018.10.023

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Synthesis of melamine-formaldehyde microcapsules containing oil-based fragrances via intermediate polyacrylate bridging layers

Materials and Product Engineering | Updated：2026-01-06

- Synthesis of melamine-formaldehyde microcapsules containing oil-based fragrances via intermediate polyacrylate bridging layers
- Synthesis of melamine-formaldehyde microcapsules containing oil-based fragrances via intermediate polyacrylate bridging layers
- 中国化学工程学报（英文版） 2019年27卷第10期页码：2574-2580
- Affiliations：
  
  1. School of Chemical Engineering, Kunming University of Science and Technology, Chenggong Campus,Kunming,China,650504
  2. Faculty of Science, Kunming University of Science and Technology, Chenggong Campus,Kunming,China,650504
- Author bio：
- Funds：
  
  Supported by the National Natural Science Foundation of China (21466016, 21577053);and the Natural Science Foundation of Yunnan Province (2016FB024).
- DOI：10.1016/j.cjche.2018.10.023
  中图分类号：
- 纸质出版：2019
- Accepted：
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Yanping He, Shunzhi Yao, Junzheng Hao, 等. Synthesis of melamine-formaldehyde microcapsules containing oil-based fragrances via intermediate polyacrylate bridging layers[J]. 中国化学工程学报（英文版）, 2019,27(10):2574-2580. DOI: 10.1016/j.cjche.2018.10.023.

intermediate polyacrylate bridging layers[J]. 中国化学工程学报, 2019, 27(10): 2574-2580.
Yanping He, Shunzhi Yao, Junzheng Hao, 等. Synthesis of melamine-formaldehyde microcapsules containing oil-based fragrances via intermediate polyacrylate bridging layers[J]. 中国化学工程学报（英文版）, 2019,27(10):2574-2580. DOI: 10.1016/j.cjche.2018.10.023. DOI：

intermediate polyacrylate bridging layers[J]. 中国化学工程学报, 2019, 27(10): 2574-2580. DOI： 10.1016/j.cjche.2018.10.023.

摘要

Abstract

A general and versatile strategy to prepare melamine-formaldehyde (MF) microcapsules encapsulating oil-based fragrances by combining solvent evaporation and

in situ

polymerization was proposed in this work. The oil-based fragrance was pre-encapsulated by an inner polyacrylate membrane

via

solvent evaporation

followed by

in situ

polymerization of MF precondensates as an outer shell. The polyacrylate membrane is used as an intermediate bridging layer to stabilize the oil-based fragrance

and to provide driving forces for

in situ

polymerization of MF precondensates through electrostatic attractions between carboxyl groups and ammonium ions. It was demonstrated that MF microcapsules containing clove oil were prepared successfully. The amount and the composition of the intermediate polyacrylate bridging layer were critical. Smooth and sphere-shaped MF-clove oil microcapsules were prepared when the weight ratio of polyacrylate to clove oil was over 60 wt% and the concentration of acrylic acid (AA) increased to 10 wt% in polyacrylate. In addition

MF microcapsules containing sunflower oil and hexyl salicylate were prepared by using this

method. The work suggests that this new approach can be potentially used to encapsulate various core materials

tuning the shell properties of microcapsules such as thickness

mechanical strength and release properties.

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Synthesis of melamine-formaldehyde microcapsules containing oil-based fragrances via intermediate polyacrylate bridging layers

Synthesis of melamine-formaldehyde microcapsules containing oil-based fragrances via intermediate polyacrylate bridging layers

DOI：10.1016/j.cjche.2018.10.023

摘要

Abstract

关键词

Keywords

references