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:
May. 03, 2022

Filed:

May. 11, 2017
Applicant:

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

Inventors:

Yong Chen, Shanghai, CN;

Xiaobing Yun, Shanghai, CN;

Libo Du, Shanghai, CN;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/18 (2006.01); B32B 27/08 (2006.01); C08J 5/18 (2006.01); C08L 23/06 (2006.01); C08L 23/08 (2006.01); C08K 5/00 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); C08L 23/06 (2013.01); C08L 23/0869 (2013.01); C08J 2323/12 (2013.01); C08K 5/005 (2013.01); C08L 2203/16 (2013.01); C08L 2207/062 (2013.01); C08L 2207/066 (2013.01);
Abstract

A multilayer film () having excellent mechanical strength and transparency comprise a core layer (), at least two skin layers, and at least two sub-skin layers disposed between the core layer () and the two skin layers. The core layer () comprises at least 60 wt. % linear low density polyethylene (LLDPE). The sub-skin layers comprise at least 60 wt. % low density polyethylene (LDPE). The skin layers comprise at least 80 wt. % of LLDPE wherein the LLDPE comprises C6 LLDPE, C8 LLDPE, or combinations thereof, and each skin layer has a thickness of less than 25% of the overall thickness of the multilayer film (). The multilayer film () comprises at least 0.1 wt. % ultraviolet stabilizer.


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