Method of bonding a poly (vinylidene fluoride) solid to a solid

Details Method of bonding a poly (vinylidene fluoride) solid to a solid Method of bonding a poly (vinylidene fluoride) solid to a solid

1983-09-29

1984-08-14

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156643, 156646, 156645, 156664, 156665, 156668, 156153, 1562722, 204192E, B29C 1708, B44C 122, C03C 1500, C23F 100

Patent

active

044655479

ABSTRACT:
The invention deals with a method of bonding a poly(vinylidene fluoride) solid to a variety of solid substrates, in an application typically using the piezoelectric properties of the material. The bonding method entails surface preparation of the poly(vinylidene fluoride) by a variety of steps including activation of the surface by plasma etching to cause the surface to wet the adhesive used in the bonding process. The bonding method produces bonds of increased strength and having good electrical properties.

REFERENCES:
patent: 3816198 (1974-06-01), LaCombe et al.
Lovinger, A. J., "Ferroelectric Polymers", Science, vol. 220, No. 4602 Jun. 10, 1983, pp. 1115-1121.
Shaw, H. J. et al., Stanford University, "PVF.sub.2 Transducers", 1980, Ultrasonics Symposium, IEEE, pp. 927-940.
Roberts, A. L., Research News "Flexible PVF.sub.2 Film: An Exceptional Polymer for Transducers" Science, vol. 200, Jun. 23, 1978, pp. 1371-1374.
Hughson Chemicals "Chemlok.RTM. Primers".
Hughson Chemicals "Chemlok.RTM. Rubber-to-Metal Adhesive Primer", Product Information.
Products Research and Chemical Corporation, "Laboratory Product Report on PR-420", Aug. 1979.
Military Specifications, pp. 187-189.
Bassett, D. C., Developments in Crystalline Polymers-1, Poly(Vinylidene Fluoride), pp. 201-215, (Applied Science Publishers).

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