C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/02 (2006.01) C08L 23/08 (2006.01)
Patent
CA 2169068
Polyolefin blends characterized by melting and crystallization curves which exhibit either two distinct melt regions, or wherein one component of the blend has a low softening temperature relative to the individual components of the blend, provide an unusually wide window for solid state processing The solid state processing characteristics of these blends are independent of the manner in which the blends are formulated e.g. mechanical mixing, solvent dispersion and the like.
L'invention se rapporte à des mélanges de polyoléfine caractérisés par des courbes de fusion et de cristallisation qui soit présentent soit deux régions de fusion distinctes, soit possèdent un composant du mélange dont la température de déformation est basse par rapport aux composants individuels du mélange. Ces mélanges produisent une plage inhabituellement large de températures s'appliquant à un traitement en phase solide. Les caractéristiques de traitement en phase solide de ces mélanges sont indépendantes de la manière dont les mélanges sont formulés, par exemple, le mélange mécanique, la dispersion de solvant, et analogues.
Edmondson Morris S.
Lai Shih-Yaw
Smart & Biggar
The Dow Chemical Company
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