Freudenberg has filed a patent for a thermally fusible sheet material that includes a backing ply made of textile material and a bonding compound structure. The bonding compound structure contains at least one polyalkylene succinate as a hotmelt adhesive. The patent also covers the process for manufacturing this sheet material. GlobalData’s report on Freudenberg 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 Freudenberg, Electromagnetic valve actuators was a key innovation area identified from patents. Freudenberg's grant share as of September 2023 was 48%. Grant share is based on the ratio of number of grants to total number of patents.

A recently filed patent (Publication Number: US20230286246A1) describes a thermally fusible sheet material that can be used in various textile applications. The material consists of a backing ply made of a textile material and a bonding compound structure. The bonding compound structure includes at least one polyalkylene succinate as a hotmelt adhesive. Polyalkylene succinate is a type of polymer that is derived from succinic acid and various polyols.

The patent claims specify several characteristics of the thermally fusible sheet material. Firstly, the bonding compound structure may also contain polybutylene succinate, another type of polymer derived from succinic acid. Secondly, the bonding compound structure does not include any conjugated diene-based polymers modified with polar functional groups. Additionally, the bonding compound structure may include polyalkylene succinate hotmelt adhesive with specific melt flow index (MFI) values and melting points.

The patent also mentions that the bonding compound structure can contain other hotmelt adhesives, apart from polyalkylene succinates. These additional adhesives can be selected from biodegradable and/or compostable thermoplastic polymers. The thermally fusible sheet material can be in the form of a two-ply structure, with a lower layer directly on top of the sheet material and an upper layer on top of the lower layer.

The patent further describes a process for producing the thermally fusible sheet material, which involves applying the bonding compound structure using various application methods such as spreading, powder point, paste print, hotmelt, and inkjet methods.

The thermally fusible sheet material can be used in the production of various textile products, including interlinings, linings, and outer fabrics. It is particularly suitable for the production of biodegradable and/or compostable textile products. The material can be used as an interlining in men's and women's clothing, as well as in clothing accessories, needlework, sewing, and padding with adhesives.

The patent also mentions that the thermally fusible sheet material can be used in the production of different types of clothing, including men's clothing, women's clothing, children's clothing, and various types of outerwear. It can also be used in the production of clothing accessories such as hat bands and hat reinforcements.

Overall, the patent describes a thermally fusible sheet material with specific characteristics and applications in the textile industry.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.