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5960959 
Journal Article 
CHEMICAL MODIFICATION OF POLYFUNCTIONAL WATER-SOLUBLE POLYMER WITH FORMALDEHYDE AND CARBAMIDE 
Pipeva, PT; Mladenov, IT; Verany, CJ 
1986 
Yes 
Acta Polymerica
ISSN: 0323-7648
EISSN: 1521-4044 
37 
36-38 
A polyfunctional water soluble polymer obtained on the basis of polyacrylonitrile by methylation was chemicallly modified and then treated with carbamide. The optimum conditions to obtain products having minimum unreacted formaldehyde and carboxylic groups and maximum bound nitrogen were established. © 1986 Akademie Verlag GmbH, Berlin