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1. WO2020020768 - PROCESS FOR PREPARING POLYISOCYANATES CONTAINING URETHANE GROUPS

Publication Number WO/2020/020768
Publication Date 30.01.2020
International Application No. PCT/EP2019/069488
International Filing Date 19.07.2019
IPC
C08G 18/76 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
70characterised by the isocyanates or isothiocyanates used
72Polyisocyanates or polyisothiocyanates
74cyclic
76aromatic
C08G 18/10 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
08Processes
10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
C08G 18/12 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
08Processes
10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
12using two or more compounds having active hydrogen in the first polymerisation step
C08G 18/32 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
28characterised by the compounds used containing active hydrogen
30Low-molecular-weight compounds
32Polyhydroxy compounds; Polyamines; Hydroxy amines
CPC
C08G 18/0895
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
08Processes
0895Manufacture of polymers by continuous processes
C08G 18/3206
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
28characterised by the compounds used containing active hydrogen
30Low-molecular-weight compounds
32Polyhydroxy compounds; Polyamines; Hydroxyamines
3203Polyhydroxy compounds
3206aliphatic
C08G 18/48
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
28characterised by the compounds used containing active hydrogen
40High-molecular-weight compounds
48Polyethers
C08G 18/7621
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
70characterised by the isocyanates or isothiocyanates used
72Polyisocyanates or polyisothiocyanates
74cyclic
76aromatic
7614containing only one aromatic ring
7621being toluene diisocyanate including isomer mixtures
C08G 18/8019
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
70characterised by the isocyanates or isothiocyanates used
72Polyisocyanates or polyisothiocyanates
80Masked polyisocyanates
8003masked with compounds having at least two groups containing active hydrogen
8006with compounds of C08G18/32
8009with compounds of C08G18/3203
8012with diols
8019Masked aromatic polyisocyanates
C08G 18/8029
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
70characterised by the isocyanates or isothiocyanates used
72Polyisocyanates or polyisothiocyanates
80Masked polyisocyanates
8003masked with compounds having at least two groups containing active hydrogen
8006with compounds of C08G18/32
8009with compounds of C08G18/3203
8022with polyols having at least three hydroxy groups
8029Masked aromatic polyisocyanates
Applicants
  • COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG [DE]/[DE]
Inventors
  • MERKEL, Michael
  • WILMES, Oswald
  • DRUMM, Christian
  • WU, Ruiwen
  • GROTH, Stefan
  • FAN, Wenbin
Agents
  • LEVPAT
Priority Data
18188631.813.08.2018EP
PCT/CN2018/09721826.07.2018CN
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PROCESS FOR PREPARING POLYISOCYANATES CONTAINING URETHANE GROUPS
(FR) PROCÉDÉ POUR PRÉPARER DES POLYISOCYANATES CONTENANT DES GROUPES URÉTHANE
Abstract
(EN)
COV 18 1 046 - Foreign Filing - 13 - Process for preparing polyisocyanates containing urethane groups A b s t r a c t The present invention relates to a process for preparing a polyisocyanate composition containing urethane groups, and to the polyisocyanate compositions containing urethane groups that are obtained or obtainable by this process. 5
(FR)
Procédé pour préparer des polyisocyanates contenant des groupes uréthane. La présente invention concerne un procédé de préparation d'une composition de polyisocyanate contenant des groupes uréthane, et les compositions de polyisocyanate contenant des groupes uréthane qui sont obtenus ou peuvent être obtenus au moyen de ce procédé. 5
Also published as
Latest bibliographic data on file with the International Bureau