Title:
精製テレフタル酸及び１，４−ブタンジオールを使用するポリブチレンテレフタレートの製造のための連続方法
Document Type and Number:
Japanese Patent JP6643343
Kind Code:
B2
Abstract:
A device for making polybutylene terephthalate includes (1) a slurry paste vessel; (2) a tower reactor to which a mixture of 1,4-butane diol and terephthalic acid from vessel (1) is supplied, the tower reactor having a plurality of reactor zones wherein the lower third of the tower reactor is in the form of a hydrocyclone with attached heat exchanger, and the hydrocyclone has a supply line from vessel (1), the hydrocyclone being connected to the top side of the tower reactor; (3) a first continuously stirred tank reactor to which the product from tower reactor (2) is supplied; (4) an optional second continuously stirred tank reactor to which the product from (3) is supplied; (5) a dual shaft ring reactor to which the product from stirred tank reactor (3) or (4), is supplied; and (6) a pelletizer where the product from dual shaft ring reactor (5) is continuously fed and pelletized.
Inventors:
Aride de Ogle, Husnuarp
Kumar, Parashunt
Brian Bower
Fool, Cornelis Adrián Maria
Kanamkumarath, Success Sadavan
Zyou, bottle
Kumar, Parashunt
Brian Bower
Fool, Cornelis Adrián Maria
Kanamkumarath, Success Sadavan
Zyou, bottle
Application Number:
JP2017540059A
Publication Date:
February 12, 2020
Filing Date:
January 29, 2016
Export Citation:
Assignee:
Subic Global Technologies Besloten Fennaught Shap
International Classes:
C08G63/78; C08G63/183
Domestic Patent References:
| JP62195017A | ||||
| JP2003064171A | ||||
| JP2005519141A | ||||
| JP48090388A |
Foreign References:
| US8110149 |
Attorney, Agent or Firm:
Hiroshi Higuchi