C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
C09C 3/10 (2006.01) C09C 1/02 (2006.01)
Patent
CA 2665040
The invention first relates to the use of a comb polymer having at least one ethylenically unsaturated anionic monomer on which at least one polyalkylene oxide function is grafted, as a compatibility agent in a method for making a chlorinated thermoplastic resin charged with a mineral matter. The invention also relates to the chlorinated thermoplastic materials thus obtained that exhibit an improved compatibility between the charge and the chlorinated thermoplastic resin while reducing the amount of compatibility agents such as the ones used in the charged chlorinated thermoplastic materials of the prior art, the compatibility agents of the prior art essentially consisting of fatty acids and more particularly of stearic acid or salts thereof.
L'invention concerne d'une part l'utilisation d'un polymère en peigne, possédant un monomère anionique à insaturation éthylénique sur lequel au moins une fonction oxyde de polyalkylène est greffée, comme agent de compatibilité dans un procédé de fabrication de résine thermoplastique chlorée chargée d'une matière minérale. L'invention concerne d'autre part les matériaux thermoplastiques chlorés ainsi obtenus, qui présentent une compatibilité améliorée entre la charge et la résine thermoplastique chlorée et ce, tout en diminuant la quantité d'agents de compatibilité, tels que ceux utilisés dans les matériaux thermoplastiques chlorés de l'état de la technique, ces derniers étant essentiellement des acides gras, et plus particulièrement des acides gras de l'acide stéarique ou de ses sels.
Guerret Olivier
Mongoin Jacques
Trouve Patrick
Coatex S.a.s.
Robic
LandOfFree
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