B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 19/00 (2006.01) B05D 7/02 (2006.01) B29B 17/00 (2006.01) C08J 11/06 (2006.01) C08L 19/00 (2006.01) C09D 7/12 (2006.01)
Patent
CA 2458592
The present invention is directed to colorized rubber and methods of coloring the same, particularly vulcanized rubber, and rubber particles. The present invention is more particularly directed to colorized vulcanized rubber particles having improved color durability. The present invention is also directed to utilization of the colorized rubber as synthetic mulch. In the compositions and methods of the present invention, it is preferable that acqueous organic or inorganic pigment dispersions are mixed with vulcanized rubber particles to color coat the rubber particles. Preferably an emulsion polymer is added to the color coated particles to encapsulate the particles. The resulting colored vulcanized rubber particles exhibit improved color stability and color abrasion resistance.
L'invention concerne du caoutchouc coloré et des procédés pour colorer le caoutchouc, notamment le caoutchouc vulcanisé, et des particules de caoutchouc. L'invention concerne plus particulièrement des particules colorées de caoutchouc vulcanisé ayant une durabilité améliorée de la couleur. L'invention concerne également l'utilisation du caoutchouc coloré en tant que paillis synthétique. Dans les compositions et procédés selon l'invention, il est préférable que les dispersions de pigment aqueuses, organiques ou inorganiques, soient mélangées à des particules de caoutchouc vulcanisé afin d'enduire et de colorer les particules de caoutchouc. On ajoute de préférence un polymère en émulsion aux particules enduites colorées afin d'encapsuler ces particules. Les particules colorées résultantes de caoutchouc vulcanisé présentent une stabilité de la couleur et une résistance à l'abrasion de la couleur améliorées.
Gowling Lafleur Henderson Llp
Groundscape Technologies Llc
LandOfFree
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