专利号:WO-2023102600-A1 优先权日:2021-12-06 标题:Synthesis of amphiphilic block copolymers and polymeric nanofibers produced therefrom 发明人:ZETTERLUND PER B; ISHIZUKA FUMI; KIM HYUN JIN; CHATANI SHUNSUKE; NIINO HIROSHI 权利人:NEWSOUTH INNOVATIONS PTY LTD 摘要:The present disclosure relates to the field of synthesis of block copolymers, and polymeric nanofibers having a core-shell morphology produced therefrom. The present disclosure relates to the field of synthesis of block copolymers where one block is more hydrophobic than the other block and is a different composition. The disclosure also relates to uses of these polymeric nanofibers in various applications, such as reinforcing a polymeric matrix and for coatings applications.
专利号:US-2023348707-A1 优先权日:2022-04-28 标题:Random bipolymers of controlled molecular mass based on hydroxyacrylates and their use as destabilizers of water/oil emulsions in crude oils 发明人:SANDOVAL CÉSAR ANDRÉS FLORES; MORENO FLAVIO SALVADOR VÃ?ZQUEZ; OLIVARES GERARDO ZAVALA; RAMÃ?REZ FERNANDO Ã?LVAREZ; SANTIAGO JESSICA VALERIA FUENTES; ZAMORA GUERRERO EDGAR BENEDICTO; MAYA ENRIQUE CEVADA 权利人:MEXICANO INST PETROL 摘要:The present disclosure provide bipolymers, based on alkyl acrylate and hydroxyalkyl acrylate, with high randomness and controlled molecular mass, that are useful as demulsifying and dehydrating agents for crude oil. The synthesis of these bipolymers is carried out in a single stage by emulsion polymerization, a process that, in addition to having moderate reaction conditions, allows the control of the homogeneity of the chain size, the molecular mass, and the demulsifying efficiency. These random bipolymers are soluble in organic phase; therefore, these cannot be carried away by the removed water, and are eliminated in the atmospheric distillation stage. An additional advantage is the superior demulsifying and clarifying efficiency of these random bipolymers compared with the polyether formulations widely used at industrial level. In addition, these random bipolymers provide single molecule that performs three functions: breaker, coalescer and clarifier, in contrast to formulations based on at least three different polyethers.
专利号:US-2023212107-A1 优先权日:2021-12-30 标 题:Synthesis of para-alkylated syringyl (meth)acrylate derivatives and photopolymerizable compositions for additive manufacturing in dental applications 发明人:CHOUDHARY UMESH UPENDRA; SU JESSICA KALAY 权利人:ALIGN TECHNOLOGY INC 摘要:The present disclosure provides polymerizable monomers which may be used as reactive diluents in additive manufacturing. The polymerizable monomers may have low vapor pressures and may be compatible with a range of low glass transition temperature oligomers.
专利号:US-6538094-B2 优先权日:1998-12-21 标题:Process for synthesis of allophanate compounds and compositions including the product thereof 发明人:TAZZIA CHARLES L 权利人:BASF CORP 摘要:The invention provides a process for preparing an allophanate-containing compound in the presence of a metal catalyst and a tertiary amine. In a preferred process, the tertiary amine compound also has a hydroxyl group. The hydroxyl group can react with the isocyanate functionality. Also disclosed is a process in which an allophanate-containing compound is prepared with copper acetate monohydrate as a catalyst. The allophanate-containing compound is used as a curing agent in coating compositions, particularly electrocoat coating compositions. The coating compositions are used to coat articles.
专利号:WO-2023130042-A1 优先权日:2021-12-30 标题:Synthesis of para-alkylated syringyl (meth)acrylate derivatives and photopolymerizable compositions for additive manufacturing in dental applications
专利号:JP-2025500080-A 优先权日:2021-12-06 标题 :Synthesis of amphiphilic block copolymers and polymer nanofibers produced therefrom