Pressure-sensitive adhesive composition comprising poly-4-methyl-1-pentene as tackifier
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United States of America Patent
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May 7, 1991
Grant Date -
N/A
app pub date -
Aug 8, 1988
filing date -
Oct 8, 1986
priority date (Note) -
Expired
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Abstract
In the present invention, a polymer having a number average molecular weight (Mn) of from 200 to 40,000 and a glass transition point of from -75.degree. C. to +10.degree. C. which is obtained by the cationic polymerization of a branched alpha-olenin is used as a tackifier (a tacky producer) for a hot melt adhesive or a pressure-sensitive adhesive. An adhesive composition containing the polymer described above as a tackifier has excellent heat resistance, hue, weather resistance, and the like and has such excellent characteristics that its odor is weak.
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