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公开(公告)号：US3834919A
公开(公告)日：1974-09-10
申请号：US37399573
申请日：1973-06-27
Applicant: BASF AG
Inventor： PARKER E
CPC classification number: D21H19/54 , C08L3/00 , C08L2666/02
Abstract: A SOLID, PARTICULATE DEFOAMER CONSISTING OF DIATONA: CEOUS EARTH AND A SURFACE ACTIVE MIXTURE OF CONJUGATED POLYOXYETHYLENE - POLYOXYPROPYLENE COMPOUNDS WHEN ADDED DURING MANUFACTURE OF STARCH CONTROLS THE AMOUNT OF FOAM PRODUCED WHEN USING AQUEOUS SLURRIES OF THE STARCH AS A SURFACE SIZING AGENT FOR VARIOUS GRADES OF PAPER, OR AS BINDER FOR PIGMENTED COATINGS FOR PAPERS AND OTHER CELLULOSIC FIBROUS PRODUCTS.
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