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.
Patent No.:
Date of Patent:
Oct. 26, 1999
Filed:
Nov. 13, 1996
Rajen M Patel, Lake Jackson, TX (US);
Jacquelyn A deGroot, Lake Jackson, TX (US);
The Dow Chemical Company, Midland, MI (US);
Abstract
This invention relates to an improved shrink film having balanced properties. In particular, this invention relates to a biaxially oriented polyolefin shrink film made from a particular polymer mixture which includes a first ethylene polymer component having a single differential scanning calorimetry (DSC) melting peak or a single Analytical Temperature Rising Elution Fractionation (ATREF) peak and a second ethylene polymer component having one or more DSC melting peaks, wherein the density differential between the two component polymers about 0 to about 0.03 g/cc. Improved properties include increased shrink responses, wide orientation windows, higher modulus and high softening temperatures.