Title:
THERMALLY ACTIVE ADHESIVE FOR PRINTED WIRING BOARD
Document Type and Number:
Japanese Patent JPS6220579
Kind Code:
A
Abstract:
A non-blocking, solid, adhesive composition which can be activated upon application of sufficient heat or ultrasonic energy without becoming C-staged, comprising (a) a first component having an epoxide-, hydroxy- or unsaturated functionality grater than 2, said polymeric resin being selected from the group consisting of polyesters, polyurethanes and epoxies; (b) a second component comprised of at least one filler, or at least one polyfunctional compound containing a polyaromatic backbone and having an average molecular weight below about 7000, or mixtures thereof, the weight ratio of said first component so said second component being between about 1.5 : 1 and about 9 : 1; and (c) a curing agent which is capable of reacting or initiating a reactio n with the functional groups of the polymeric resin to form crosslinks and cure the polymeric resin to a C-stage upon application of sufficient energy in the form of heat or radiant energy, said curing agent being non-reactive or blocked at the condition which will activate the adhesive composition, said curing agent being present in an amount sufficient to C-stage the polymeric resin. The adhesive composition is flexible, and in the C-stage, is capable of forming an infusible composition which does not melt, flow or decompose when exposed for 10 seconds to molten solder at 260°C and does not soften when exposed for 1 minute to dichloromethane at 25°C. The adhesive composition is suitable for bonding wire to a surface, to another wire or to itself.
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Inventors:
ANDORIYUU JIEDO SHIYAANBEEKU
MAAYU RAUBA FURIIDORITSUHI
MAAYU RAUBA FURIIDORITSUHI
Application Number:
JP4136386A
Publication Date:
January 29, 1987
Filing Date:
February 25, 1986
Export Citation:
Assignee:
KOLLMORGEN TECH CORP
International Classes:
C08G18/79; C08G59/18; C09J201/00; C08G59/40; C09J163/00; C09J167/00; C09J175/00; C09J175/04; H05K3/38; H05K3/10; (IPC1-7): C09J3/00; C09J3/16
Domestic Patent References:
| JPS6079079A | 1985-05-04 | |||
| JPS59187070A | 1984-10-24 |
Attorney, Agent or Firm:
Kenmi Niimi (1 person outside)