The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 25, 2017

Filed:

Sep. 18, 2014
Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Mehmet Demirors, Pearland, TX (US);

Sean W. Ewart, Pearland, TX (US);

Teresa P. Karjala, Lake Jackson, TX (US);

Maria Pollard, Pearland, TX (US);

Assignee:

Dow Global Technologies LLC, Midland, WI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/22 (2006.01); C08K 5/14 (2006.01); C08L 23/06 (2006.01); C08L 23/08 (2006.01); C08K 5/00 (2006.01);
U.S. Cl.
CPC ...
C08J 3/226 (2013.01); C08K 5/14 (2013.01); C08L 23/06 (2013.01); C08L 23/0815 (2013.01); C08J 2323/06 (2013.01); C08J 2423/06 (2013.01); C08K 5/0025 (2013.01); C08L 2205/025 (2013.01); C08L 2205/06 (2013.01); C08L 2310/00 (2013.01);
Abstract

A process for increasing the melt strength of a polyethylene resin comprising a) selecting a polyethylene resin having i) a density, as determined according to ASTM D792, in the range of from 0.865 g/cmto 0.97 g/cm, and ii) a melt index, I, as determined according to ASTM D1238 (2.16 kg, 190° C.), in the range of from 0.01 g/10 min to 100 g/10 min; b) reacting from 10 ppm to 1000 ppm of at least one peroxide having a 1 hour half-life decomposition temperature from 160° C. to 250° C. with the polyethylene resin under conditions sufficient to increase the melt strength of the polyethylene resin is provided. Also provided are a masterbatch composition and a polymeric composition.


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