Bazan Group has patented a polypropylene composition for soft nonwoven fabrics, comprising three copolymers with varying alpha-olefin content. The fabrics are pleasant to touch. The patent claims specific components and their respective weight percentages, ensuring a unique composition with distinct glass transition peaks. GlobalData’s report on Bazan Group gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Bazan Group, was a key innovation area identified from patents. Bazan Group's grant share as of May 2024 was 36%. Grant share is based on the ratio of number of grants to total number of patents.
Patent granted for soft polypropylene-based nonwoven fabric composition
A recently granted patent (Publication Number: US11946177B2) discloses a composition for manufacturing polypropylene-based soft and pleasant to touch nonwoven fabrics. The composition comprises three components - A, B, and C, with specific weight percentages and characteristics. Component A is a semi-crystalline propylene homopolymer or random copolymer, while components B and C are low crystallinity copolymers of propylene with varying percentages of ethylene or C4-C10 alpha-olefins. The composition exhibits only two separate glass transition peaks in DMTA tests, with distinct temperature associations for each component. The patent also details a process for manufacturing this composition, involving polymerization of propylene with comonomers, melt mixing the components, and utilizing specific reactors and blending techniques to achieve the desired properties.
Furthermore, the patent describes the production of soft fibers with lentil-shaped elevations along their surfaces using the disclosed composition. The fibers exhibit specific glass transition peaks and are manufactured through a detailed process involving sequential polymerization, melt blending, and the addition of particulate fillers and additives. Additionally, the patent extends to the creation of polypropylene-based nonwoven fabrics using the same composition and process, highlighting the unique characteristics and tactile performance of the resulting fabric. Overall, the patent provides a comprehensive guide for manufacturing polypropylene-based materials with enhanced softness and tactile qualities, catering to the demand for comfortable and pleasant nonwoven fabrics in various applications.
To know more about GlobalData’s detailed insights on Bazan Group, buy the report here.
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