C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/00 (2006.01) C08J 3/24 (2006.01) C08L 83/04 (2006.01) C08L 83/07 (2006.01)
Patent
CA 2230678
The invention provides for a method of making simple or complex extruded gel profiles and the created article. In a particularly preferred embodiment, the method involves the extrusion of a silicone gel composition through a die into a heated fluid to complete the cure of the gel as well as to produce the desired gel profile shape. Shapes such as stars, trapezoids, cusped squares, cusped triangle, triangles and the like can be fabricated according to the method.
L'invention concerne un procédé de fabrication de profilés de gel extrudé simples ou complexes, ainsi que les articles fabriqués. Dans un mode de réalisation particulièrement préféré, on extrude une composition de gel de silicone au travers d'une filière et on l'amene dans un fluide chaud afin de terminer le durcissement du gel, ainsi que pour produire la forme désirée du profilé de gel. Ce procédé permet de fabriquer des formes telles que des étoiles, des trapézoïdes, des carrés cuspidés, des triangles, etc.
Dow Corning Corporation
Marks & Clerk
Raychem Corporation
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