Low molecular weight ethylene interpolymers, methods of...

C - Chemistry – Metallurgy – 08 – F

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C08F 210/02 (2006.01)

Patent

CA 2635608

The invention provides a comprising one or more ethylene interpolymers, and wherein the interpolymers, or the composition, has a melt viscosity from 1 to 30,000 cP at 177~C, and wherein at least one ethylene interpolymer has an Rv from 0.3 to 0.99. The invention further provides a composition comprising at least one low molecular weight (LMW) ethylene interpolymer, and at least one high molecular weight (HMW) ethylene interpolymer, and wherein the composition has a melt viscosity from 1 to 30,000 cP at 177~C, and wherein the sum of the Rv from the low molecular weight interpolymer and the high molecular weight interpolymer is from 0.3 to 2. The invention further provides for processes of making such compositions, processes for functionalizing the interpolymer(s) of such compositions, and articles comprising at least one component prepared from an inventive composition.

La présente invention concerne une composition comprenant un ou plusieurs interpolymères d~éthylène, lesdits interpolymères ou ladite composition possédant une viscosité à l~état fondu de 1 à 30 000 cP à 177° C et l~un au moins desdits interpolymères d~éthylène possédant un Rv de 0,3 à 0,99. L~invention concerne en outre une composition comprenant au moins un interpolymère d~éthylène à bas poids moléculaire (LMW) et au moins un interpolymère d~éthylène à poids moléculaire élevé (HMW), ladite composition possédant une viscosité à l~état fondu de 1 à 30 000 cP à 177° C, et la somme du Rv de l~interpolymère à bas poids moléculaire et du Rv de l~interpolymère à poids moléculaire élevé s~inscrivant dans l~intervalle de 0,3 à 2. L~invention concerne également des procédés de préparation de telles compositions, des procédés de fonctionnalisation du ou desdits interpolymère(s) qu~elles contiennent, ainsi que des articles dont un composant au moins a été élaboré à partir de l~une desdites compositions.

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