Modified colophony resins, a process for their preparation,...

Details Modified colophony resins, a process for their preparation,... Modified colophony resins, a process for their preparation,...

C - Chemistry, Metallurgy

08

L

400/1802

C08L 93/04 (2006.01) C09F 1/04 (2006.01) D21H 17/62 (2006.01)

Patent

CA 2018350

Modified colophony resins, a process for their prepara- tion, their use and paper-sizing agents containing colophony resins of this type A b s t r a c t Modified colophony resins are strengthened with .alpha.,.beta.-unsaturated carbonyl compounds and simultaneously converted into the corresponding intermolecular resin acid anhydrides with dehydrating; agents. Paper-sizing agents which are superior to those of the prior art can be prepared from these. KCG 5 - Foreign countries

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