Color-changeable adhesive
US5425824A · kind A · utility
53Cited by
6References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 28, 1992 |
| Grant date | Jun 20, 1995 |
| Priority date | — |
| Expiry date | Oct 28, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2035/0822
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An adhesive composition constituted of a mixture of a one-part heat-curable adhesive and a substantially water-insoluble indicator material which is substantially unreactive with the components of the one-part heat-curable adhesive (i.e. curable resin, heat-activatable curing agent for the resin and accelerator) but which has the ability to produce a color change in the composition on curing of the adhesive. Preferably, the adhesive is a one-part heat-curable epoxy adhesive system. The use of the adhesive composition enables a visible detemination of the point of cure of the adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.