Preparation and Properties of Water-based Adhesive Using Gemini Type Nonionic Reactive Surfactants

제미니형 비이온 반응성 계면활성제를 이용한 수성접착제의 제조 및 특성

  • Shin, Hye-Lin (Department of Engineering Chemistry, Chungbuk National University) ;
  • Jeong, Noh-Hee (Department of Engineering Chemistry, Chungbuk National University)
  • 신혜린 (충북대학교 공과대학 공업화학과) ;
  • 정노희 (충북대학교 공과대학 공업화학과)
  • Received : 2019.07.31
  • Accepted : 2019.09.02
  • Published : 2019.10.10


In order to improve the adhesion of water-based adhesive, gemini type nonionic reactive surfactants were synthesized and applied to water-based adhesives. The surfactants were synthesized by using maleic acid and polyoxyethylene cetyl ether having different length of ethylene oxide and confirmed by FT-IR and $^1H-NMR$. Their appearance was light yellow wax. The cloud point of the compound was more than $78^{\circ}C$. The measured critical micelle concentration (c.m.c) was $1.0{\times}10^{-4}{\sim}7.0{\times}10^{-4}mol/L$ and surface tension at c.m.c was 25.9~32.0 mN/m. As the number of ethylene oxide increased, the emulsifying power was improved. The foaming height of each compound by Ross-Miles method was 1.4~4.5 cm. The synthesized surfactants was then used as an emulsifier in emulsion polymerization of water-based adhesives and its physical properties were evaluated. The solid contents of prepared adhesives was 59%. The average particle size and initial tackiness of the prepared adhesives were 164~297 nm and ball no. of 20~32, respectively. The peel strength was $1.8{\sim}2.1kg_f/mm$. The retention rate of adhesives viscosity was evaluated to 99% during 30 days. Therefore, synthesized gemini type nonionic reactive surfactants are expected to be applied as an emulsifier for the high adhesive force.


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