US 2016/0096951 A1 · NEW CARBODIIMIDES HAVING TERMINAL UREA AND/OR URETHANE GROUPS, METHODS FOR PRODUCING SAID CARBODIIMIDES, AND USE OF SAID CARBODIIMIDES

Abstract

The invention relates to novel carbodiimides having terminal urea and/or urethane groups, methods for the preparation thereof and use thereof as stabilizers in ester-based polyols, in polyethylene terephthalate (PET), in polybutylene terephthalate (PET), in polytrimethylene terephthalate (PTT), in copolyesters, in thermoplastic polyester elastomers (TPE E), in ethylene vinyl acetate (EVA), in polylactic acid (PLA) and/or in PLA derivatives, in polybutylene adipate terephthalates (PBAT), in polybutylene succinates (PBS), in polyhydroxyalkanoates (PHA), in blends, in triglycerides, in thermoplastic polyurethanes, in polyurethane elastomers, in PU adhesives, in PU casting resins, for PU coatings or in PU foams.

Claims21

Dependent claims

Carbodiimides having terminal urea and/or urethane groups, the carbodiimides being of the formula (I)

in which each R may be the same or different and is selected from the group of —NHCONHR′, —NHCONR′R″ and —NHCOOR′″ residues, where R′ and R″ are the same or different and are a C1-C22-alkyl, C6-C12-cycloalkyl, C6-C18-aryl or C6-C18-aralkyl residue, and R′″ corresponds to C1-C22-alkyl, C6-C12-cycloalkyl, C6-C18-aryl or C6-C18-aralkyl, or an unsaturated alkyl residue having 2-22 carbon atoms, or an alkoxypolyoxyalkylone residue,
R1, R2 and R3 are each independently methyl or ethyl, wherein each benzene ring has only one methyl group, and
n=0 to 20.

Dependencies are inferred from the claim text.

Facts

Application

14/890,971Filed 9 May 2014

Priority

EP 13167511.813 May 2013

Published

7 Apr 2016

Term ends

Not estimatedThe source records don’t support an estimate.

Classification11 codes

C08K 5/29
Nitrogen-containing compounds: compounds containing one or more carbon-to-nitrogen double bonds
C07C 267/00
Carbodiimides
C07C 269/02
Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups [IMAGE cpc-sch-C07C-0964.gif], the nitrogen atom not…:…
C07C 271/28
With the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring: to a carbon atom of a…

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

Life of this patent

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

Life of this patent

Abstract

Claims21