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Waterborne acrylic hybrid adhesives based on a methacrylate-functionalized porous clay heterostructure for potential lamination application

Published online by Cambridge University Press:  15 August 2017

Sarocha Ruanpan
Affiliation:
The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok 10330, Thailand
Mark D. Soucek
Affiliation:
Department of Polymer Engineering, The University of Akron, Akron, Ohio 44325, USA
Hathaikarn Manuspiya*
Affiliation:
The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok 10330, Thailand; and Center of Excellence on Petrochemical and Materials Technology, Bangkok 10330, Thailand
*
a) Address all correspondence to this author. e-mail: hathaikarn.m@chula.ac.th
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Abstract

A new waterborne acrylic (WAC) hybrid adhesive was evaluated for an untreated polypropylene lamination. The WAC hybrid adhesive was formulated with a new class of porous clay heterostructure (PCH), which was modified with 3-(trimethoxysilyl)propyl methacrylate (as a coupling agent) to promote chemical bonding with the acrylic matrix to form a methacrylate-functionalized PCH (MPCH). The WAC hybrid adhesive was based on copolymers (2-ethylhexyl acrylate, ethylene glycol methyl ether acrylate, 2-(hydroxyethyl) methacrylate, styrene and acrylic acid) with varying amounts of MPCH. The scanning electron microscopy micrographs revealed the presence of a well dispersed MPCH distributed throughout the matrix. The optimal adhesive performance, in terms of the 180° peel strength of bonded joints, of 140.2 N/m was achieved using 1.5 wt% of MPCH, while the thermal stability of the adhesives was improved with increasing MPCH loading levels.

Type
Articles
Copyright
Copyright © Materials Research Society 2017 

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Footnotes

Contributing Editor: Sarah Morgan

References

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