Stratasys. has filed a patent for pulverulent thermoplastic polymer blends with particle sizes under 300 µm. The blend includes two thermoplastic polyurethanes in specific weight ratios and molecular weight ranges. This innovation aims to enhance material properties for various applications. GlobalData’s report on Stratasys 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 Stratasys, Spacecraft 3D Printing was a key innovation area identified from patents. Stratasys's grant share as of January 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.
Pulverulent thermoplastic polymer blend with specific composition
The patent application (Publication Number: US20240034879A1) describes a pulverulent thermoplastic polymer blend that includes a comminuted thermoplastic polymer blend with a particle size of less than 300 µm. This blend consists of a first thermoplastic polyurethane and a second thermoplastic polyurethane blended at a specific weight ratio. The first thermoplastic polyurethane is a reaction product of an aliphatic diisocyanate and an aliphatic diol, while the second thermoplastic polyurethane is a reaction product of a polyisocyanate, an isocyanate-reactive component, and a chain extender. The blend exhibits specific characteristics such as molecular weight, melt volume-flow rate, melting enthalpy, and tensile modulus, making it suitable for various applications.
Furthermore, the patent application also includes a method for manufacturing the pulverulent thermoplastic polymer blend, involving comminuting the blend to a specific particle size and blending the first and second thermoplastic polyurethanes in a defined weight ratio. The method utilizes specific components and reaction mixtures to achieve the desired properties in the final blend. Additionally, the application mentions the use of cryogenic milling for comminuting the blend and highlights the potential application of the blend in three-dimensional printing to create printed articles. Overall, the patent application outlines a detailed composition, manufacturing method, and potential applications of the pulverulent thermoplastic polymer blend, emphasizing its unique properties and versatility in various industries.
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