| abstract |
PCT No. PCT/JP89/01305 Sec. 371 Date Oct. 16, 1990 Sec. 102(e) Date Oct. 16, 1990 PCT Filed Dec. 26, 1989 PCT Pub. No. WO90/07609 PCT Pub. Date Jul. 12, 1990.The invention relates to self-emulsifying sizing agents which are able to have long shelf stability and easily formable emulsifiable liquid when the agents are mixed with water, and which are suitable for treating paper. These sizing agents comprise of copolymers of particular polyoxyalkylene alkenyl ethers and maleic anhydride. Further, these sizing agents comprise of the above copolymers and particular alkenylsuccinic anhydrides or particular ketene dimers. |