Propylene/1-butene or 1-pentene/higher 1-olefin copolymers usefu

Details Propylene/1-butene or 1-pentene/higher 1-olefin copolymers usefu Propylene/1-butene or 1-pentene/higher 1-olefin copolymers usefu

1979-08-30

1981-03-31

Levin, Stanford M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

428355, 5263483, 5263486, C08F21006, C08F21008, C08F21014

Patent

active

042594707

ABSTRACT:
This invention relates to propylene/1-butene or 1-pentene/higher 1-olefin copolymers which provide useful pressure-sensitive hot-melt adhesives. The copolymers contain 5 to 39 mole % of one or more higher 1-olefins of the group 1-hexene, 1-heptene, 1-octene, 1-nonene and 1-decene and have a melt viscosity range of 5,000 to 75,000 cp. at 190.degree. C.

REFERENCES:
patent: 3631159 (1971-12-01), Cobbs, Jr. et al.
patent: 3642678 (1972-02-01), Shepherd et al.
patent: 4072812 (1978-02-01), McConnell et al.
patent: 4072813 (1978-02-01), McConnell et al.

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