Dressed cellulose material for paper with reduced discolouration
摘要
Finished cellulose materials contain (a) a guanidine or ethylene diamine salt as flame retarder and (b) a cpd. of formula (I) or salts and/or carbohydrazides as discolouration inhibitor. CH3-C(R1R2)-COOH (I), R1, R2 = H, OH or CH2OH. Also claimed is use of an aq. soln. of a guanidine or ethylene diamine salt of up to 70% and (I) for the dressing of cellulose materials.
申请公布号
DE19631381(A1)
申请公布日期
1997.02.06
申请号
DE19961031381
申请日期
1996.08.02
申请人
DSM CHEMIE LINZ GMBH, LINZ, AT
发明人
HAEUBL, GEORG, DR., LINZ, AT;KAPELLER, ANDREAS, GRUENBACH, AT;SCHEUCHENSTUHL, WILLIBALD, ST. OSWALD, AT;RITZBERGER, KLAUS, ALKOVEN, AT
