| 摘要 |
<p>A composition comprised of (a) alkenyl succinic anhydride, and (b) about 3 % to about 20 % by weight based on said alkenyl succininc anhydride of an amine selected from the group consisting of trialkyl amine of formula (I), dimethyl sulfate quaternary salt of trialkyl amine of formula (I), benzyl chloride quaternary salt of trialkyl amine of formula (I), and diethyl sulfate quaternary salt of trialkyl amine of formula (I), wherein R1 is methyl or ethyl, R2 is methyl or ethyl, and R3 is alkyl having 14 to 24 carbon atoms, and wherein said composition contains about 0,1 % water or less. Sizing emulsions comprised of (a) hydrophobic cellulose-reactive sizing agents and said (b) amines, amine salts and/or quaternary amines are also disclosed, as well as low shear and high shear processes for making said emulsions and methods of using said emulsions for sizing paper.</p> |
