Thermoplastic marking compositions

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 123/04 (2006.01) C08K 3/00 (2006.01) C08K 5/01 (2006.01) C08L 23/08 (2006.01) C09D 5/00 (2006.01) C09D 123/08 (2006.01) C09D 193/00 (2006.01) C09D 193/04 (2006.01) C08L 51/06 (2006.01) C08L 91/06 (2006.01)

Patent

CA 2307094

The subject invention pertains to thermoplastic marking compositions comprising a binder, which in turn comprise at least one homogeneous polymer. Accordingly, the subject invention provides a thermoplastic marking composition comprising: (a) from 10 to 80 weight percent of a binder, which in tum comprises: (i) from 1 to 99 weight percent of at least one homogeneous polymer, (ii) from 5 to 70 weight percent of at least one tackifier; (iii) from 0 to 10 weight percent of a polyethylene which has pendant acid functionality moieties or of a non-functionalized wax; and (iv) from 0 to 20 weight percent of a plasticizer; and (b) from 20 to 90 weight percent of an inorganic filler. The subject formulations are usefully applied via spray, screed, and extrusion techniques.

L'invention concerne des compositions thermoplastiques comprenant un liant, lequel renferme lui-même au moins un polymère homogène. La composition de marquage thermoplastique comprend: (a) de 10 à 80 % en poids de liant, lequel se compose lui-même comme suit de: (i) de 1 à 99 % en poids d'au moins un polymère homogène; (ii) 5 à 70 % en poids d'au moins un agent collant; (iii) 0 à 10 % en poids de polyéthylène comprenant des groupes fonctionnels acides pendants ou une cire non fonctionnalisée et (iv) de 0 à 20 % en poids de plastifiant, et (b) 20 à 90 % en poids d'une charge inorganique. Les formulations couvertes par l'invention sont appliquées efficacement au moyen de techniques de pulvérisation ou d'extrusion ou bien par table vibrante.

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