Photoinitiated Polymerization with Visible Lasers

PI的项目侧重于激光引发的光聚合及其实现的技术。这项工作的总体目标是了解复杂过程的所有步骤，从最初由光引发剂和共引发剂形成的激发态的光吸收和处置，通过一系列反应导致固体光聚合物。目前的计划是开发光化学物质，使其能够在更长的波长（600纳米，重点是670纳米的系统）下以最佳的光速度使用。开发可溶于丙烯酸硅和丙烯酸氟碳单体的引发剂体系。了解在光聚合中形成的交联聚合物的结构，并将其与光引发剂化学/光物理学联系起来。继续进行非含氧硅烷单体的合成研究，开发硅烷单体和预聚物形成固体光聚合物的光度方法；并从事非丙烯酸酯、硅烷单体体系引发剂的合成和开发。这项研究将有助于通过开发新的光敏抗蚀剂材料和催化剂，为下一代微电子电路的制造奠定基础。＊＊＊

9526755 Neckers The PI's program focuses on laser initiated photopolymerization and technologies thereby enabled. The overall goal of the work is to understand all steps of the complex processes from the light absorption and disposition of the excited states formed initially from photoinitiators and coinitiators through the chain of reactions leading to solid photopolymer. The immediate plans are to develop photochemistries which can be used at optimal photospeeds at longer wavelengths (600 nm with emphasis on systems which function at 670 nm). To develop initiator systems soluble in silicon acrylate and fluorocarbon acrylate monomers. To understand the structures of the crosslinked polymers formed in photopolymerizations and to relate this to photoinitiator chemistry/photophysics. To continue synthetic studies in non-oxygen containing silane monomers, to develop photomethods for forming solid photopolymers from silane monomers and prepolymers; and to engage in the synthesis/development of initiators which function in non- acrylate, silane monomer systems. %%% This research should aid in laying the foundation for manufacturing of next-generation microelectronic circuits through development of new photosensitive resist materials and catalysts. ***