Method of bonding polyolefine to a substance
Abstract
Abstract A METHOD OF BONDING POLYOLEFINE TO A SUBSTANCE SUCH AS A STEEL PLATE. THE POLYOLEFINE AND THE PLATE ARE HEATED TO A TEMPERATURE EQUAL TO THE MELTING POINT OF POLYOLEFINE PLUS AT LEAST 100*C., AND THE MELTED POLYOLEFINE IS BROUGHT INTO CONTACT WITH THE PLATE AND KEPT AT THE TEMPERATURE FOR AT LEAST FIVE MINUTES FOR PRODUCING BONDING STRENGTH AT THE BOUNDARY SURFACE BETWEE THE POLYOLFINE AND THE SUBSTANCE. THE BOUNDARY SURFACE IS COOLED BY KEEPING IT FOR AT LEAST TEN MINUTES AT FURTHER TEMPERATURE BETWEEN THE TEMPERATURE TM WHERE THE RARE OF CRYATALLIZATION IS MAXIMIZED AND A TEMPERATURE OF TM+80*C., OR BY COOING IT FROM THIS TEMPERATURE AT A RATE OF 8*C. PER MINUTE. THE INTERNAL STRESS CAUSED IN THE POLYOLEFINE IS THEREBY PREVENTED FROM BEING CONCENTRATED AT THE BOUNDARY SURFACE.
Inventors
- 👤 M Takagi
- 👤 K Kanafuri
- 👤 A Yahataso
- 👤 M Kurokawa
- 👤 S Ohya
- 👤 K Hara
Bibliographic Details
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