Stratasys has been granted a patent for a formulation used in additive manufacturing, which includes silica particles and a combination of multi-functional and monofunctional curable materials. This formulation aims to enhance the mechanical properties of three-dimensional objects produced through additive manufacturing. 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 June 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
Additive manufacturing formulation with silica for enhanced properties
The patent US12042985B2 presents a novel formulation designed for additive manufacturing of three-dimensional objects. This formulation includes a specific combination of silica particles, multi-functional curable materials, and monofunctional curable materials. The silica particles constitute 15 to 20% by weight, while the first multi-functional curable material ranges from 10 to 30% by weight, characterized by a molecular weight between 300 and 1,000 gram/mol. The second multi-functional curable material, with a molecular weight below 1,000 gram/mol, also comprises 10 to 30% by weight. Additionally, a hydrophilic monofunctional curable material, making up 10 to 50% by weight, is included. The formulation allows for variations in the size of silica nanoparticles, which can range from 20 to 100 nm, and may feature functionalized silica particles.
The patent further details methods for utilizing this formulation in additive manufacturing processes. It describes a method that involves sequentially forming layers of the object by dispensing the formulation and exposing it to curing conditions. The formulation can be combined with additional formulations that differ in properties such as heat deflection temperature (HDT) and elastic moduli, allowing for the creation of complex structures with varying material characteristics. The patent also outlines a preparation method for the formulation, emphasizing the importance of mixing the silica dispersion with the curable materials. Furthermore, the formulation may include UV-curable materials and photoinitiators, enhancing its applicability in modern additive manufacturing techniques.
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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.
