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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.:

US 10561073 B1

PDFFull Text
Date of Patent:
Feb. 18, 2020

Filed:

Oct. 30, 2015

Infrared absorbing, heat retaining film

Applicant:

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

Inventors:

Libo Du, Shanghai, CN;

Hongyu Chen, Shanghai, CN;

Qing Shi, Shanghai, CN;

Yong Chen, Shanghai, CN;

Hong Liang Zhang, Shanghai, CN;

Hong Zheng, Songjiang, CN;

QiQi Tang, Shanghai, CN;

Assignee:

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

Attorney:

Dinsmore & Shohl LLP

Primary Examiner:

Wenwen Cai

Int. Cl.
CPC ...
A01G 9/14 (2006.01); C08K 3/34 (2006.01); B29B 9/06 (2006.01); B29C 48/00 (2019.01); B29C 48/92 (2019.01); B29C 48/625 (2019.01); B29C 48/40 (2019.01); B29C 48/04 (2019.01); B29C 48/10 (2019.01); C08K 3/22 (2006.01); B29K 23/00 (2006.01); B29K 509/00 (2006.01);
U.S. Cl.
CPC ...
A01G 9/1438 (2013.01); B29B 9/06 (2013.01); B29C 48/0022 (2019.02); B29C 48/04 (2019.02); B29C 48/10 (2019.02); B29C 48/40 (2019.02); B29C 48/625 (2019.02); B29C 48/92 (2019.02); C08K 3/34 (2013.01); B29C 2948/926 (2019.02); B29C 2948/9259 (2019.02); B29C 2948/92704 (2019.02); B29C 2948/92876 (2019.02); B29C 2948/92885 (2019.02); B29C 2948/92895 (2019.02); B29K 2023/0625 (2013.01); B29K 2023/0633 (2013.01); B29K 2023/083 (2013.01); B29K 2509/00 (2013.01); C08K 3/22 (2013.01); C08L 2207/066 (2013.01);
Abstract

Embodiments of films, for example, infrared absorbing, heat retaining films, comprise at least one polymer selected from: a low density polyethylene (LDPE) having a density range of 0.900 g/cc to 0.930 g/cc and a melt index (I) of 0.3 g/10 min to 2.0 g/10 min as measured in accordance with ASTM D1238; a linear low density polyethylene (LLDPE) having a density range of 0.900 g/cc to 0.930 g/cc and a melt index Iof 0.3 g/10 min to 2.0 g/10 min; and a ethylene vinyl acetate copolymer having a vinyl acetate content ranging from 3 wt. % to 27 wt. % and a melt index Iof 0.2 g/10 min to 10 g/10 min. The films also comprise a hybrid filler comprising (i) a layered double hydroxide, and (ii) an inorganic powder complex having a particle size distribution defined by a median diameter (D50) of 1.5 to 20 μm.

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