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New carbodiimides having terminal urea and/or urethane groups, methods for producing said carbodiimides, and use of said carbodiimides

A carbodiimide and carbamate technology, applied in the preparation of carbamate derivatives, chemical instruments and methods, preparation of urea derivatives, etc., can solve the problems of insoluble equipment and time, high melting point, expenditure, etc.

Active Publication Date: 2016-01-06
LANXESS DEUTDCHLAND GMBH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Highly sterically hindered carbodiimides (such as those based on triisopropylphenylisocyanate) are very effective, but have a very high melting poin

Method used

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  • New carbodiimides having terminal urea and/or urethane groups, methods for producing said carbodiimides, and use of said carbodiimides
  • New carbodiimides having terminal urea and/or urethane groups, methods for producing said carbodiimides, and use of said carbodiimides
  • New carbodiimides having terminal urea and/or urethane groups, methods for producing said carbodiimides, and use of said carbodiimides

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Abstract

The invention relates to new carbodiimides having terminal urea and/or urethane groups of formula (I), wherein R can be the same or different and is selected from the group of the -NHCONHR', -NHCONR'R'', and -NHCOOR''' residues. The invention relates further to methods for producing said carbodiimides, and to the use of said carbodiimides as a stabilizer in ester-based polyols, in polyethylene terephthalate (PET), in polybutylene terephthalate (PBT), in polytrimethylene terephthalate (PTT), in copolyesters, in thermoplastic polyester elastomers (TPE-Es), in ethylene vinyl acetate (EVA), in polylactic acid (PLA) and/or in PLA derivatives, in polybutylene adipate terephthalates (PBATs), in polybutylene succinates (PBSs), polyhydroxyalkanoates (PHAs), in blends, in triglycerides, in thermoplastic polyurethanes, in polyurethane elastomers, in PU adhesives, in PU casting resins, for PU coatings, or in PU foams.

Description

technical field [0001] The present invention relates to novel carbodiimides having terminal urea and / or urethane groups, processes for their preparation and their use as stabilizers in ester-based polyols, polyparaphenylene Ethylene Dicarboxylate (PET), Polybutylene Terephthalate (PBT), Polytrimethylene Terephthalate (PTT), Copolyesters, Thermoplastic Polyester Elastomers (TPEE), Ethylene Vinyl Acetate (EVA), polylactic acid (PLA) and / or PLA derivatives, polybutylene terephthalate adipate (PBAT), polybutylene succinate (PBS), polyhydroxyalkanoate (PHA) ( polyhydroxyalkanoates), blends, triglycerides, thermoplastic polyurethanes, polyurethane elastomers, PU adhesives, PU casting resins, PU coatings or PU foams. Background technique [0002] Carbodiimides have been found useful in many applications, such as hydrolysis stabilizers for thermoplastics, polyols, polyurethanes, triglycerides, and lubricating oils, among others. [0003] For this purpose, preference is given to us...

Claims

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Application Information

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IPC IPC(8): C07C271/28C07C275/40C08G18/02
CPCC08G18/025C08G18/027C07C269/02C07C267/00C08K5/29C07C271/28C07C271/38C07C273/1818C07C275/40
Inventor 威廉·劳弗本杰明·贝彻姆阿明·埃克特
Owner LANXESS DEUTDCHLAND GMBH
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