C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 123/22 (2006.01) C08L 23/22 (2006.01) C09J 7/00 (2006.01) C09J 7/04 (2006.01) C09J 123/20 (2006.01)
Patent
CA 2406432
The present invention relates to a substantially gel-free sealant or adhesive compound comprising butyl-type polymer without any conjugated aliphatic diene in its composition having an average molecular weight Mn of more than 20,000 g/mol and containing less than 15 wt.% of solid matter insoluble in boiling cyclohexane under reflux for 60 min. In another of its aspects, the present invention relates to a self- supporting shaped article comprising said compound optionally layered on or interposed between one or more supporting means. In still another of its aspects, the present invention relates to a tape comprising said substantially gel-free compound optionally layered on or interposed between one or more supporting means. In still another of its aspects, the present invention relates to an adhesive composition comprising said substantially gel-free compound. In still another of its aspects, the present invention relates to a sealant composition comprising said substantially gel-free compound.
La présente invention a pour objet un composé adhésif ou d'étanchéité quasiment exempt de gel comprenant un polymère de type butyle sans aucun diène aliphatique conjugué ayant une masse moléculaire moyenne Mn de plus de 20 000 g/mol et contenant moins de 15 % en poids de matière solide insoluble dans du cyclohexane bouillant sous reflux pendant 60 min. La présente invention a aussi pour objet un article formé autoportant comportant ledit composé, éventuellement en couche sur ou intercalé entre un ou plusieurs moyens de support. Elle a de plus pour objet une bande comprenant le dit composé quasiment exempt de gel, éventuellement en couche sur ou intercalé entre un ou plusieurs moyens de support. Elle a aussi pour objet une composition adhésive contenant ledit composé, ainsi qu'une composition d'étanchéité contenant ledit composé.
Glander Stephan
Gronowski Adam
Bayer Inc.
Brunet Robert A.h.
Lanxess Inc.
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