Tackifier and Tackifier Emulsion
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United States of America Patent
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Issued Date -
Jun 11, 2009
app pub date -
Mar 20, 2006
filing date -
Mar 30, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a tackifier that is a raw material of an adherence adhesive having good adhesion performance (in particular, holding power) for all members and can be used for various adherence adhesives, and a tackifier emulsion capable of being used for various aqueous adherence adhesives. The tackifier and the tackifier emulsion including a rosin resin wherein a ratio of the content of a component with a molecular weight of at most 300 comprised in the rosin resin to the softening point of the rosin resin (the content (% by weight) of a component with a molecular weight of at most 300/softening point (K)) is at most 0.004; and the adherence adhesive composition including the tackifier; and the aqueous adherence adhesive composition including the tackifier emulsion.
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