专利号:US-10982047-B2 优先权日:2016-09-28 标 题 :Solvent systems for synthesis of poly(amic acid) and polyimide polymers 发明人:KIM EUNGKYU; HARRIS WILLIAM J; JIANG QI; JIANG XIN; OHBA KAORU 权利人:DOW GLOBAL TECHNOLOGIES LLC 摘要:The process for synthesizing a poly(amic acid) polymer or a polyimide polymer is improved by using a solvent system consisting essentially of: (A) a first component consisting essentially of at least one of a sulfoxide, e.g., DMSO, and an alkyl phosphate, e.g., triethyl phosphate, and (B) optionally, a second component consisting essentially of at least one aprotic glycol ether, e.g., dipropylene glycol dimethyl ether.
专利号:US-2019218344-A1 优先权日:2016-09-28 标题:Solvent Systems for Synthesis of Poly(Amic Acid) and Polyimide Polymers
专利号:US-2019202989-A1 优先权日:2016-09-28 标 题 :DMPA-Based Solvent Systems for the Synthesis of Poly (Amic Acid) and Polyimide Polymers
专利号:EP-3523353-A1 优先权日:2016-09-28 标题:Dmpa-based solvent systems for the synthesis of poly(amic acid) and polyimide polymers
专利号:WO-2018058343-A1 优先权日:2016-09-28 标 题 :Dmpa-based solvent systems for the synthesis of poly(amic acid) and polyimide polymers