Additives with cloud points to improve efficiency of release agents
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United States of America Patent
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Nov 10, 2015
Grant Date -
Jul 10, 2014
app pub date -
Dec 19, 2013
filing date -
Jan 4, 2013
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Abstract
This disclosure relates to papermaking and the use of creping adhesive and release agent compositions used in papermaking. In one aspect, there is provided a new class of release agents and compositions comprising release agents, the release agent comprising: a) a release agent comprising a quaternary imidazoline compound, an imidazoline free base, an oil-based dispersion, or a combination thereof; and b) a polyether component selected from a polypropylene glycol (PPG), a co-polymer of propylene glycol and ethylene glycol (co-PPG-PEG), a blend of polypropylene glycol (PPG) and polyethylene glycol (PEG), and a combination thereof, wherein the release composition has a cloud point in water at standard pressure from about 1° C. to about 98° C. There are also provided creping compositions having a cloud point, comprising an adhesive composition and a release composition as described.
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