A pulping composition and process using aminoalkoxylsilanes

Details A pulping composition and process using aminoalkoxylsilanes A pulping composition and process using aminoalkoxylsilanes

D - Textiles, Paper

21

C

D21C 3/20 (2006.01) D21C 3/02 (2006.01) D21C 3/22 (2006.01)

Patent

CA 2320334

Enhanced removal of lignin and other extractives in a pulping process is achieved by contacting wood chips and the like with a liquid mixture comprised of white liquor and aminoalkoxylsilane and optionally, one or more nonionic and/or anionic surfactants.

On a obtenu une meilleure extraction de la lignine et d'autres matières extractibles dans un processus de réduction en pâte par contact des copeaux de bois et analogue avec un mélange liquide contenant de la liqueur blanche et de l'aminoalcoxylsilane ainsi que, facultativement, un ou plusieurs tensioactifs non ioniques et/ou anioniques.

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