Graphene reinforced polyethylene terephthalate
A polyethylene terephthalate and polyethylene terephthalate technology, applied in the field of polyethylene terephthalate composition, can solve the problem of inaccurate prediction of properties of nanocomposites
Pending Publication Date: 2021-07-23
NIAGARA BOTTLING
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Problems solved by technology
Traditional composite models are inaccurate in predicting properties of nanocomposites
Although micromechanical models based on continuum theory have been found to be effective in estimating short-fiber composites, few studies have reported the applicability of these models to nanocomposites
Method used
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[0118] specific implementation plan
[0119] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention disclosed herein may be practiced without these specific details. In other cases, specific numerical references such as "first method" may be made. However, specific numerical references should not be construed as a literal order, but rather as a "first method" as distinct from a "second method". Accordingly, the specific details set forth are examples only. Specific details may be varied from this disclosure and still be encompassed within the spirit and scope of this disclosure. The term "coupled" is defined to mean directly connected to a component or indirectly connected to the component through another component. In addition, as used herein, the terms "about", "approximately" or "substantially" for any numerical...
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Abstract
A composition and a method are provided for graphene reinforced polyethylene terephthalate (PET). Graphene nanoplatelets (GNPs) comprising multi-layer graphene are used to reinforce PET, thereby improving the properties of PET for various new applications. Master-batches comprising polyethylene terephthalate with dispersed graphene nanoplatelets are obtained by way of compounding. The master-batches are used to form PET-GNP nanocomposites at weight fractions ranging between 0.5% and 15%. In some embodiments, PET and GNPs are melt compounded by way of twin-screw extrusion. In some embodiments, ultrasound is coupled with a twin-screw extruder so as to assist with melt compounding. In some embodiments, the PET-GNP nanocomposites are prepared by way of high-speed injection molding. The PET-GNP nanocomposites are compared by way of their mechanical, thermal, and rheological properties so as to contrast different compounding processes.
Description
[0001] This application is a divisional application of an invention patent application with an application date of March 17, 2016, an invention titled "Graphene-enhanced polyethylene terephthalate", and an application number of 201680028479.7. [0002] priority [0003] This application claims U.S. Patent Application No. 15 / 073,477, filed March 17, 2016, and filed March 17, 2015, entitled "Injection Molded Poly(ethylene terephthalate)-Graphene Nanocomposites" 62 / 134,482, and U.S. Provisional Application Serial No. 62 / 190,193, filed July 8, 2015, entitled "Graphene-Enhanced Polyethylene Terephthalate" Application benefits and priorities. technical field [0004] The field of the disclosure generally relates to polymer composites. More specifically, the field of the invention relates to graphene-reinforced polyethylene terephthalate compositions and methods. Background technique [0005] Composite materials are defined as multiphase materials, which are found in nature or c...
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IPC IPC(8): C08L67/02C08K3/04C08K7/00C08J3/22
CPCC08K3/042C08J3/226C08J2467/02C08J2367/02C08K7/00B29C45/0001C08K3/04C08K2201/011B29B7/007B29B7/46B29B7/726B29B7/90B29K2067/003B29K2105/162B29K2507/04C08L67/02C08J3/22C08J3/28C08J5/005
Inventor 杰伊·克拉克·哈南苏希尔·班德拉
Owner NIAGARA BOTTLING