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Starch-based high-speed corrugated adhesive containing a carrier phase consisting of starch, modified starch or dextrin and polyvinyl alcohol
Starch-based high-speed corrugated adhesive containing a carrier phase consisting of starch, modified starch or dextrin and polyvinyl alcohol
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机译:淀粉基高速波纹状粘合剂,包含由淀粉,改性淀粉或糊精和聚乙烯醇组成的载体相
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摘要
A high speed corrugating adhesive having a carrier phase comprised of starch, modified starch or dextrin and polyvinyl alcohol in an aqueous emulsion wherein a cold water soluble, partially hydrolyzed, polyvinyl alcohol is used as a starting material. The polyvinyl alcohol is further hydrolyzed in situ to a degree of hydrolysis of more than about 95% by heating it in the presence of water, caustic, and starch, modified starch or dextrin. The carrier phase is admixed with a boron containing compound and a suspension of water and starch to prepare the corrugating adhesive for use in a corrugating machine.
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