METHOD FOR PRODUCING DIPHENYL CARBONATE DIPHENYL CARBONATE OBTAINED BY SAID PRODUCTION METHOD POLYCARBONATE PRODUCED FROM SAID DIPHENYL CARBONATE CATALYST FOR DIPHENYL CARBONATE PRODUCTION METHOD FOR PRODUCING SAID CATALYST CATALYST RECOVERY AND REUSE METHOD

• Main Authors: URAKAWA SATOSHI, SATOU TAKASHI, KOGA YOSHIO, KANAMARU TAKASHI, HAYASHI KOUICHI, INOUE TOSHIMITSU, UCHIBORI TOSHIO, UCHIYAMA KEI, NAKAMURA MAKOTO
• Format: Patent
• Language: English; Korean
• Published: 02.02.2017
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; APPARATUS THEREFOR; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL METHODS OF ORGANIC CHEMISTRY; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

본 발명은, 옥살산디페닐을 촉매 존재하에서 탈카르보닐 반응시키는 것에 의한 탄산디페닐의 제조 방법에 대해, 취급하기 쉬운 촉매를 사용하여, 간편하고 효율적으로, 고순도의 탄산디페닐을 촉매 석출에 의한 폐색 등의 트러블을 일으키지 않고, 안정적으로 연속적으로 제조하는 것을 목적으로 한다. 또, 반응액으로부터, 간편한 방법에 의해 효율적으로, 고순도의 촉매를 회수, 재이용하는 것을 목적으로 한다. 본 발명은, 옥살산디페닐을 촉매 존재하에서 탈카르보닐 반응시키는 것에 의한 탄산디페닐의 제조 방법으로서, 상기 촉매를 비대칭 테트라아릴포스포늄할라이드와 할로겐화수소의 어덕트체로서 공급하는 것을 특징으로 하는 탄산디페닐의 제조 방법에 관한 것이다. 　The purpose of the present invention is a method for producing diphenyl carbonate by a decarbonylation reaction of diphenyl oxalate in the presence of a catalyst, wherein high-purity diphenyl carbonate is produced simply, efficiently, stably, and continuously using an easy-to-handle catalyst without problems such as clogging due to catalyst precipitation. Another purpose is to recover and reuse a high-purity catalyst efficiently by a simple method. The present invention pertains to a method for producing diphenyl carbonate by a decarbonylation reaction of diphenyl oxalate in the presence of a catalyst, wherein the method for producing diphenyl carbonate is characterized by supplying the catalyst as an adduct of an asymmetric tetraarylphosphonium halide and hydrogen halide.