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Adhesion and Bonding to Polyolefins
Product Code: 978-1-85957-323-5
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Adhesion and Bonding to Polyolefins
Rapra Review Report
Vol. 12, No. 11, Report 143, 2002
By D.M. Brewis and I. Mathieson, Loughborough University
Many applications of polyolefins require good adhesion to other substrates such as adhesive bonding, lamination, painting, printing and metallisation. However, polyolefins have very poor bonding properties except where a diffusion mechanism operates, such as during the welding together of two pieces of polyolefin. Theories of adhesion are briefly described.
This review discusses ways of improving adhesion to substrates. A variety of pretreatments and primers have been developed for altering the surface properties of polyolefins to enhance adhesion. These include corona discharge, flame and low pressure plasma treatment for plastics, and the use of a chlorine donor for elastomers. Each method has advantages and disadvantages, which are discussed in this report.
Contents
1 Introduction
2 Principles
2.1 Theories of Adhesion
2.2 Wettability
2.3 Diffusion
3 Methods Used to Study Surfaces
3.1 Introduction
3.2 X-Ray Photoelectron Spectroscopy XPS
3.3 Static Secondary Ion Mass Spectrometry
3.4 Reflection IR
4 Pretreatments and Primers for Polyolefin Plastics
4.1 Introduction
4.2 Flame Treatment
4.3 Corona Treatment
4.4 Low Pressure Plasma Treatment
4.5 Chromic Acid Treatment
5 Polyolefin Elastomers
5.1 Introduction
5.2 Ethylene-Propylene Copolymers
5.3 Butyl Rubber
5.4 Unsaturated Hydrocarbon Elastomers
5.4.1 Natural Rubber
5.4.2 Styrene-Butadiene Copolymers
6 Discussion
7 Conclusions
References
Abbreviations and Acronyms
Price: £80.00 (Ex VAT)
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