Method for production of corrugated board and product obtained thereof
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United States of America Patent
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Issued Date -
Dec 2, 2004
app pub date -
Jul 15, 2004
filing date -
May 2, 2001
priority date (Note) -
Abandoned
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Abstract
The invention concerns a process for producing corrugated board, wherein a biopolymer latex adhesive is used as the corrugating adhesive. The biopolymer latex adhesive can be obtained by extruding a plasticized biopolymer, especially starch, in the presence of a crosslinking agent such as glyoxal. The preparation of the latex adhesive and its application in corrugating operation do not require a gelatinization step, nor the use of caustic soda or borax.
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