The Role of Chemical Bonding in Adhesion.
Abstract
Progress in three different phases of our study of the role of chemical bonding in adhesion is summarized in this report. Phase one consisted of an experimental study of the self-adhesion of thin layers of three crosslinked elastomers; namely, cispolyisoprene (natural rubber) and two polybutadienes. For the polybutadienes, the strength of self-adhesion was found to be strongly dependent upon the time of exposure of the two surfaces to air before they were brought into contact. The same phenomenon did not take place on exposure to nitrogen nor for samples of cis-polyisoprene and it was reduced or delayed in samples containing antioxidant. It was therefore attributed to surface oxidation reactions that can lead to interfacial covalent bonds with polybutadiene but not with polyisoprene. Phase two consisted of a study of the effect of the number of chemical bonds at an interface between glass and polybutadiene on the joint strength of the adhesive bond formed between them.
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 01, 1980
- Accession Number
- ADA081661
Entities
People
- Alan Neville Gent
- Patricia Dreyfuss
Organizations
- University of Akron