High molecular weight cationic polymers obtained by...

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C - Chemistry, Metallurgy

08

F

C08F 8/00 (2006.01) C08F 2/16 (2006.01) C08F 4/30 (2006.01) C08F 8/44 (2006.01) C08F 26/04 (2006.01)

Patent

CA 2494805

The molecular weight of cationic polymers, such as the quaternary ammonium polymers of diallyldialkyl ammonium chloride, can be increased by controlled addition of a water-soluble radical initiator at an elevated reaction temperature with agitation to prepare high molecular weight, crosslinked, water-soluble cationic polymers.

Selon l'invention, le poids moléculaire de polymères cationiques tels que des polymères d'ammonium quaternaire de chlorure de diallyldialkyl ammonium, peut être augmenté par l'adjonction contrôlée d'un initiateur de radicaux soluble dans l'eau, à une température réactionnelle élevée, sous agitation, pour préparer des polymères cationiques à haut poids moléculaires, réticulés, solubles dans l'eau.

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