Directa Plus has been granted a patent for a textile article featuring a graphene-based pattern that optimizes heat management and breathability. The pattern includes 10-70% graphene coverage, with specific structural and compositional characteristics of the graphene nanoplatelets, enhancing the textile’s performance. GlobalData’s report on Directa Plus gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Directa Plus, Water gas shift catalysts was a key innovation area identified from patents. Directa Plus's grant share as of July 2024 was 34%. Grant share is based on the ratio of number of grants to total number of patents.
Graphene-patterned textile for heat management and breathability
The patent US12037741B2 describes a textile article that incorporates a unique pattern composed of graphene. This pattern features both full portions, where graphene is present, and empty portions, where it is absent, with the full portions occupying between 10% to 70% of the surface area. The graphene used consists of nanoplatelets, with at least 90% having a lateral size ranging from 50 nm to 50,000 nm and a thickness between 0.34 nm and 50 nm. The carbon to oxygen (C/O) ratio of these nanoplatelets is specified to be greater than or equal to 100:1. The amount of graphene distributed across the textile is between 0.2 to 5 g/m², and the article may include a polymeric binder to enhance its properties.
Additionally, the patent outlines a method for preparing this textile article, which involves applying a composition that includes a polymeric binder, a compatibilizing solvent, a thickener, and graphene nanoplatelets. The application process is designed to create a specific pattern on the textile, ensuring that the full portions occupy a defined percentage of the surface area. The method also includes a heating step to solidify the composition, with temperatures ranging from 120°C to 180°C for a duration of 1 to 10 minutes. The textile article can be used in various clothing items, including shirts, jackets, and socks, and is characterized by its electrical conductivity, measured in surface resistivity, which falls within specified ranges according to the JIS K 7194 standard.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
