C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 297/08 (2006.01) C08F 2/38 (2006.01) C08F 4/646 (2006.01)
Patent
CA 2601287
The present invention relates to film layers and compositions having improved hot tack properties. The compositions comprise at least one ethylene/.alpha.- olefin interpolymer, wherein the ethylene/.alpha.-olefin interpolymer may have, for example, a Mw/Mn from about 1.7 to about 3.5, at least one melting point, Tm, in degrees Celsius, and a density, d, in grams/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationship: Tm > - 2002.9 + 4538.5(d) - 2422.2(d)2.
La présente invention concerne des couches de film et des compositions au pouvoir d'adhésion à chaud renforcé. Cette composition comprend au moins un d'interpolymère multibloc d'éthylène/a-oléfine susceptible de présenter un rapport Mw/Mn se situant environ entre 1,7 et 3,5, ainsi qu'un point de fusion "Tm" exprimé en °C, et une densité "d" exprimée en g/cm3 tels que les valeurs numériques de "Tm" et "d" respectent la relation: Tm > -2002,9 + 4538,5(d) 2422,2(d)2.
Cheung Yunwa Wilson
Garnett IV John W.
Liang Wenbin
Dow Global Technologies Inc.
Smart & Biggar
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