SIZING METHOD AND A SIZING COMPOSITION FOR USE THEREIN
05-05-1981 дата публикации
Номер:
CA1100265A
Автор: DUMAS DAVID H, DUMAS, DAVID H.
Принадлежит: HERCULES INC, HERCULES INCORPORATED
Контакты:
Номер заявки: 272148
Дата заявки: 21-02-1977
Disclosed is a sizing composition for use in sizing paper and paperboard from cellulose stock, comprising (a) a hydrophobic sizing agent reactive to cellulose and (b) a nitrogen-containing condensation product obtained by reacting an epihalohydrin with a condensate derived by condensing dicyandiamide or cyanamide with a polyalkylene polyamine.