Back to results
US 12,584,010 B2Granted
Butene-1 polymer compositions having a short crystallization time
AssigneeBasell Poliolefine Italia S.r.l.
InventorsSilvia Guerra, Roberta Marchini, Stefano Spataro
Life of this patent
Estimating the term…
Abstract
A butene-1 polymer composition made from or containing: A) from 97.5% to 99.85% by weight, with respect to the total weight of A) and B), of a butene-1 polymer or polymer composition; B) from 0.15% to 2.5% by weight, with respect to the total weight of A) and B), of talc in form of particles having a volume-based particle diameter distribution Dv (0.95) of 45 μm or lower; and, optionally C) from 0.01% to 2% by weight of an ethylene polymer, wherein the amount of C) being referred to the total weight of A)+B)+C), amounts to 100%.
Claims11
A butene-1 polymer composition comprising:
- A) from 97.5% to 99.85% by weight, with respect to the total weight of A) and B), of a butene-1 polymer or polymer composition selected from crystalline butene-1 homopolymers, crystalline butene-1 copolymers, and combinations thereof;
- B) from 0.15% to 2.5% by weight, with respect to the total weight of A) and B), of talc in form of particles having a volume based particle diameter distribution Dv (0.95) of 45 μm or lower, determined by laser light diffraction;
- and, optionally
- C) from 0.01% to 2% by weight, of an ethylene polymer, wherein the amount of C) being referred to the total weight of A)+B)+C).
1 more element
Dependencies are inferred from the claim text.