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PRODUCTION OF 1, 3 PROPANDIOLESTERN 译文

2023-10-03 5240 299K 0

专利信息

申请日期 2025-07-10 申请号 DE69828906
公开(公告)号 DE69828906T2 公开(公告)日 2006-03-30
公开国别 DE 申请人省市代码 全国
申请人 DU PONT
简介 Disclosed is a process for manufacturing an ester of 1, 3-propanediol, comprising, contacting at a temperature of about 0 DEG C. to about 250 DEG C., ethylene, formaldehyde or a form of formaldehyde, a carboxylic acid, and a compound of the formula MZn.Qt, wherein : M is a zirconium[IV], cobalt[II], vanadium[IV], bismuth[II], tin[II], a rare earth metal, scandium or yttrium; n is the oxidation state of M; at least one of Z is an anion of the formula R1SO3- or R1CO2-, wherein R1 is hydrocarbyl or substituted hydrocarbyl containing 1 to 20 carbon atoms or part of a polymer, and the remainder of Z is oxo or one or more monovalent anions; Q is a neutral ligand; and t is 0 or an integer of 1 to 12.


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