C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 2/20 (2006.01) C08F 14/06 (2006.01) C08F 259/04 (2006.01) C08L 27/06 (2006.01)
Patent
CA 2213701
The invention relates to a latex comprising two populations of vinyl chloride polymer particles, presenting respectively average diameters between 0.9 and 1.3 m and between 0.15 and 0.3 m in proportions such that the mass ratio of the population with the smaller average diameter to that of the larger average diameter is between 0.4 and 0.7. It also relates to the processes for preparing the said latex and its application in liquid plastisols and foams of very high cellular quality.
La présente invention concerne un latex, contenant deux populations de particules de polymères à base de chlorure de vinyle, présentant respectivement des diamètres moyens compris entre 0,9 et 1,3 µm et entre 0,15 et 0,3 µm, dans des proportions telles que le rapport pondéral de la population de diamètre moyen inférieur sur celle de diamètre moyen supérieur, est compris entre 0,4 et 0,7. Elle a également pour objet, les procédés de fabrication dudit latex et sonapplication dans des plastisols fluides et des mousses de très bonne qualité cellulaire.
Ernst Benoit
Espiard Philippe
Peres Richard
Elf Atochem S.a.
Robic
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