Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1996-05-06
1997-11-18
Szekely, Peter A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C08L 302
Patent
active
056888457
ABSTRACT:
The present invention is directed to a high solids, water-based remoistenable adhesive consisting essentially of at least about 50% to less than 100% of a maltodextrin syrup having a solids content of about 60-80%, 0 to about 50% of water, and an effective amount of a preservative. The maltodextrin syrup is prepared from a converted or a non-converted, chemically derivatized granular starch having an amylose content of 40% or less, by a high solids, single phase enzyme conversion process. The maltodextrin has (i) substituents in an amount sufficient to provide a degree of substitution between greater than about 0.01 and less than about 0.50; (ii) a reducing sugar content of about 5-19 dextrose equivalent; and (iii) a polymodal molecular weight distribution having one peak between about 630-1600 daltons and at least one other peak between about 1600-2,500,000 daltons. A preferred remoistenable adhesive consists essentially of about 15-90% of polyvinyl acetate, ethylene vinyl acetate, or mixtures thereof; about 10-85% of the above maltodextrin syrup; and about 75% water.
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Eden James L.
Nesiewicz Russell J.
Shi Yong-Cheng
Wieczorek, Jr. Joseph
Kelley Margaret B.
National Starch and Chemical Investment Holding Corporation
Szekely Peter A.
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