Adhesion of Polytetrafluoroethylene
| Autor: | F. W. Ryan, Harold Schonhorn |
|---|---|
| Rok vydání: | 1969 |
| Předmět: |
chemistry.chemical_classification
Polytetrafluoroethylene Materials science Nucleation Surfaces and Interfaces General Chemistry Adhesion Polymer Surfaces Coatings and Films law.invention chemistry.chemical_compound chemistry Mechanics of Materials law Materials Chemistry Adhesive Wetting Crystallization Composite material Dissolution |
| Zdroj: | The Journal of Adhesion. 1:43-47 |
| ISSN: | 1545-5823 0021-8464 |
| DOI: | 10.1080/00218466908077373 |
| Popis: | Nucleation and crystallization of polytetrafluoroethylene in contact with gold produces a surface region of high mechanical strength in the polymer as evidenced from the strong adhesive joints prepared with a conventional epoxy adhesive. In addition, the wettability of the gold-nucleated polytetrafluoroethylene, after dissolution of the gold, is vastly improved. The critical surface tension of wetting increases from 18.5 dynes/cm to 40 dynes/cm, indicating an increase in the surface density of the gold-nucleated polymer. We conclude from this study, that the occurrence of the normal weak boundary layer on polytetrafluoroethylene is a consequence of the morphology of the surface region and is therefore influenced by the method of preparation. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|