C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 109/06 (2006.01) A61M 37/00 (2006.01) C09J 7/02 (2006.01) C09J 109/00 (2006.01) C09J 115/00 (2006.01) C09J 153/02 (2006.01)
Patent
CA 2148382
This invention relates to a novel pressure sensitive adhesive formed of a liquid and solid rubber which is substantially resin free. Preferably the adhesive is formed of a weight ratio of solid rubber to liquid rubber of about 1:0.5 to about 1:7. These adhesives exhibit improved adhesion in cold weather and oily surface applications and other properties. The pressure sensitive adhesives can be used in health care, industrial and drug delivery systems.
L'invention concerne un nouvel adhésif sensible à la pression, constitué d'un caoutchouc liquide et d'un caoutchouc solide, qui ne comporte pratiquement pas de résine. De préférence, cet adhésif présente un rapport en poids de caoutchouc solide au caoutchouc liquide de 1:0,5 à 1:7 environ. Ce type d'adhésif offre une adhérence améliorée par temps froid et la possibilité de tenir sur des surfaces huileuses, ainsi que d'autres propriétés. On peut utiliser de tels adhésifs sensibles à la pression pour des soins médicaux ou pour des appareils de distribution industrielle et de diffusion médicamenteuse.
Korpman Dennis
Korpman Michael
Korpman Ralf
Korpman Vera
Ralf Korpman Associates
Smart & Biggar
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