Process for purifying poly (alkylene carbonate)
Номер патента: EP2731981A1
Опубликовано: 21-05-2014
Автор(ы): Carlos Barreto SOLER, Espen Ommundsen, Siw Bodil Fredriksen
Принадлежит: NORNER IP AS
Опубликовано: 21-05-2014
Автор(ы): Carlos Barreto SOLER, Espen Ommundsen, Siw Bodil Fredriksen
Принадлежит: NORNER IP AS
Реферат: A process for purifying a poly(alkylene carbonate), said process comprising the steps of adding said poly(alkylene carbonate) to an aqueous solution, optionally in the presence of an acid compound, in the absence of any organic solvent. subsequently heating said blend to a temperature of up to 200°C; and removing the aqueous phase and drying the residue.
Poly(alkylene carbonate) resin composition, preparation method thereof, molded article formed therefrom, and preparation method of molded article using the same
Номер патента: US10865274B2. Автор: Seung Young Park,Hyun Min Kim,Hyun Ju Cho,Sung-Kyoung Kim. Владелец: LG Chem Ltd. Дата публикации: 2020-12-15.