专利号:WO-2025202701-A1 优先权日:2024-08-21 标 题 :Marine antifouling paint based on silyl acrylate copolymer synthesis 发明人:LAHEGHI NEJAD FARHAD 权利人:LAHEGHI NEJAD FARHAD 摘要:This invention involves the production of marine anti-fouling paint using the synthesis of silyl acrylate copolymers. One of the most effective anti-algae or anti-fouling paints was self-polishing paints based on acrylate resins containing tributyl tin, which were banned due to the toxicity of their tin compounds. One of the best-introduced alternatives is self-polishing paints based on silyl acrylate copolymers, but their performance is subpar and they have a shorter lifespan. In this invention, silyl acrylate copolymers in a controlled structure, including at least one soft monomer such as butyl acrylate, ethyl acrylate, etc., at least one hard monomer such as methyl methacrylate, 2-methoxyethyl methacrylate, etc. and at least one functional monomer such as triisopropyl silyl acrylate, triisopropyl silyl methacrylate, tertiary-butyl dimethyl silyl methacrylate, and tri-N-butyl silyl methacrylate were synthesized in which monomers or hard monomers were gradually added to the reactor in 2-6 hours.
专利号:US-10024983-B1 优先权日:2015-12-01 标 题 :Metal-loaded plastic scintillators for gamma-ray spectroscopy 发明人:FENG PATRICK L; CORDARO JOSEPH GABRIEL; MENGESHA WONDWOSEN; MYLLENBECK NICOLAS RICHARD 权利人:NAT TECH & ENG SOLUTIONS SANDIA LLC 摘要:Exemplary embodiments of several new metal-loaded plastic scintillators are reported herein, comprising sterically and electronically isolated organotin additive complexes. Distance-dependent quenching relationships have been used as design criteria for the selection and synthesis of these organometallic additives, resulting in increased light yields and improved gamma-ray energy resolution values relative to previously reported PS/PVT examples. Fast scintillation decay properties have also been characterized in the prepared scintillators, rivaling the kinetics of stilbene-doped bibenzyl and BC-422Q-1% while providing higher light yields than these reference materials.
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