| 摘要 |
PCT No. PCT/SE93/00541 Sec. 371 Date Jan. 6, 1995 Sec. 102(e) Date Jan. 6, 1995 PCT Filed Jun. 17, 1993 PCT Pub. No. WO94/01619 PCT Pub. Date Jan. 20, 1994The present invention provides a paper sizing composition which comprises a sizing agent selected from cyclic dicarboxylic acid anhydride or alkyl ketene dimer, a stabilizing and/or dispersing agent which is an amphoteric polymer and a polyaluminum compound. |
