LLNL’s invention is a photopolymerizable polymer resin that consists of one or more nitrile-functional based polymers. The resin is formulated for SLA based 3D printing allowing for the production of nitrile-containing polymer components that can then be thermally processed into a conductive, highly graphitic materials. The novelty of the invention lies in (1) the photo-curable nitrile-…
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![Picture of SLA printed structures using 3D printable nitrile-containing photopolymer resins](/sites/default/files/styles/scale_exact_400x400_/public/2024-04/SLA%20printed%20structures%20using%203D%20printable%20nitrile-containing%20photopolymer%20resins.jpg?itok=cVxxoNNY)
![Printed TPMS membrane structures using nanoporous photoresist](/sites/default/files/styles/scale_exact_400x400_/public/2023-12/Printed%20TPMS%20membrane%20structures.png?itok=siH1EwC9)
LLNL researchers have developed novel advanced manufactured biomimetic 3D-TPMS (triply periodic minimal surface) membrane architectures such as a 3D gyroid membrane. The membrane is printed using LLNL's nano-porous photoresist technology. LLNL’s 3D-TPMS membranes consist of two independent but interpenetrating macropore flow channel systems that are separated by a thin nano-porous wall. 3D-…
![The addition of initiator affects the crossover point of the storage modulus (solid line) and the loss modulus (dashed lined), which indicates curing. As initiator content increases, the reaction proceeds more quickly.](/sites/default/files/styles/scale_exact_400x400_/public/2023-06/Curing%20polysiloxanes.png?itok=5-KLxrp2)
The approach is to use peroxides to modify the reaction kinetics in the production of polysiloxanes. A radical initiator in the presence of a hydride-terminated polysiloxane will increase the rate of curing and reduce manufacturing costs. At a minimum a formulation would contain a hydride-terminated polysiloxane, a platinum catalyst, and an initiator that generates radicals. The content of…
![LLNL has developed a new method for increasing lifetime in quantum coherent devices.](/sites/default/files/styles/scale_exact_400x400_/public/2020-09/Quantum%20Coherent%20Devices.gif?itok=kv1ZYIim)
LLNL has developed a method of extending device lifetimes by imprinting into the device a shape that excludes specific vibrational modes, otherwise known as a phononic bandgap. Eliminating these modes prevents one of the primary energy loss pathways in these devices. LLNL’s new method enhances the coherence of superconducting circuits by introducing a phononic bandgap around the system’s…
![permanent_magnets.png permanent_magnets](/sites/default/files/styles/scale_exact_400x400_/public/2019-08/permanent_magnets.png?itok=WkORcUn0)
LLNL uses the additive manufacturing technique known as Electrophoretic Deposition to shape the source particle material into a finished magnet geometry. The source particle material is dispersed in a liquid so that the particles can move freely. Electric fields in the shape of the finished product then draw the particles to the desired location to form a “green body”, much like an unfired…