The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 13, 2003
Filed:
Apr. 13, 2001
Fabrice Bohin, Levallois Perret, FR;
Gerard Joubert, Pont Eveque, FR;
Olivier Loubet, Lyons, FR;
Alain Pouchelon, Meyzieu, FR;
Dominique Lorenzetti, Caluire, FR;
Rhodia Chimie, Courbevoie Cedex, FR;
Abstract
The invention concerns a cross-linkable adhesive silicone composition, and the use of said composition for bonding various substrates, comprising: a polyorganosiloxane (POS) with Si-Vi(polydimethylsiloxane &agr;,&ohgr;-dj-Vi) units; a crosslinking POS with SiH units; a platinum catalyst; an adherence promoter comprising vinyltrimethoxysilane, 3-glycidoxy-propyltrimethoxysilane and buryl titanate; and optionally a filler and/or a cross linkage inhibitor and/or an unsaturated POS resin such as MM DD Q or MD Q. The invention aims at providing a highly adhesive glue having, before setting, a low viscosity adapted for easy application on the substrates to be bonded. The invention achieves this by providing a cross-linkable adhesive silicone composition as defined above and characterised in that it has a peeling force F ≧0.25 N/mm. a viscosity &eegr;≧50.10 mPa's at 25°, a tear resistance R ≧6/mm (ASTM-624A) and a Shore hardness A≧35. The invention also concerns the use of said composition as adhesive.