Additive composition and process for using the same
AssigneeMilliken & Company
InventorsK. David Lake, Jr., John D. Price
Life of this patent
Estimating the term…
Abstract
An additive composition comprises a wax and a nucleating agent. The nucleating agent can be dispersed in the wax. A process for producing a nucleated polymer comprises the steps of (a) providing a reactor; (b) providing an additive composition comprising a wax and a nucleating agent; (c) providing an extruder; (d) reacting in the reactor a reactant mixture comprising an olefin monomer and hydrogen to produce a polyolefin polymer; (e) collecting and recovering the polyolefin polymer produced by the reaction; (f) conveying the polyolefin polymer to the extruder; (g) conveying the additive composition to the extruder; and (g) extruding the polyolefin polymer and the additive composition to produce a nucleated polymer composition.
Claims25
An additive composition comprising:
- (a) a wax, the wax being present in the additive composition in an amount of about 60 wt. % or more based on the total weight of the additive composition;
- and
- (b) a nucleating agent,
- wherein the nucleating agent is dispersed in the wax.
A process for producing a nucleated polymer composition, the process comprising the steps of:
- (a) providing a reactor;
- (b) providing an additive composition, the additive composition comprising a wax and a nucleating agent;
- (c) providing an extruder;
- (d) reacting in the reactor a reactant mixture comprising an olefin monomer and hydrogen to produce a polyolefin polymer;
- (e) collecting and recovering the polyolefin polymer produced by the reaction;
- (f) conveying the polyolefin polymer to the extruder;
- (g) conveying the additive composition to the extruder;
- and
- (g) extruding the polyolefin polymer and the additive composition to produce a nucleated polymer composition.
Dependencies are inferred from the claim text.