C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/12 (2006.01) B29C 37/00 (2006.01) B32B 3/30 (2006.01) B32B 27/06 (2006.01) B32B 27/32 (2006.01) C08J 5/12 (2006.01) C08L 23/14 (2006.01)
Patent
CA 2468204
Polypropylene is one of the most commonly used plastics in furniture and various structures (such as for example plastic warehouses) due to its cheap price, friendliness to the environment (in terms of degrading in a reasonable time when thrown away as waste), and good strength per weight factor. However, one of its biggest disadvantages is that like Teflon it is very inert, and therefore it is very hard to paint it after production or to connect other materials to it for example through chemical means, ultrasound, or with heat. Although it is possible to add various patterns or textures, such as for example wood-like patterns to the cast, and although is possible to add for example more colors without mixing them or with only partial mixing in order to get more than one color, such a mixing cannot be precisely controlled and cannot be made to fit with the texture, whereas for example wood texture would require proper color changes in correlation with the texture. The present invention solves the above problems preferably by manufacturing the Polypropylene (for example by appropriate casting or extrusion) with a texture that can easily connect mechanically to other materials preferably by small protrusions such as for example T shaped protrusions and/or other protrusions that preferably become wider at their ends and/or various grooves that preferably become wider in their deeper parts. This is preferably done in combination with various corrugated structures. Another possible variation is adding for example preferably fine-grain wood particles and/or wood dust and/or other convenient particles and/or fibers and/or preferably fine-grained materials to the liquid Polypropylene before or during the casting or extrusion, so that the surface is mixed with the more convenient materials and various glues can react with these materials. The present invention solves various additional problems involved in accomplishing the above, and especially problems of manufacturing such grooves and/or protrusions, and for example problems involved in enabling such products to compete for example with Melamine covered wood particle furniture, in terms of modularity and in terms of easily creating a large variation of products. The same or similar methods can be used also for example for connecting various materials to structures made out of Teflon or of other chemically inert materials which are hard to connect to.
Baur Al J.c.
Mayer Yaron
Baur Al J.c.
Mayer Yaron
Na
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