NOVEL CARBODIIMIDES, METHOD FOR PRODUCTION THEREOF, AND USE THEREOF

• Main Authors: LAUFER WILHELM, VOLKER WENZEL
• Format: Patent
• Language: English; Japanese
• Published: 28.02.2019
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

To provide novel, sterically hindered, easily producible and easily processable carbodiimides which show high thermal stability and very low offgassing and may be employed especially in film applications.SOLUTION: The invention relates to novel carbodiimides having terminal urea and/or urethane groups, to a method for the production thereof, and to the use thereof as a stabilizer in ester-based polymers especially in films for protection from hydrolytic degradation.SELECTED DRAWING: None 【課題】高い熱安定性および非常に低いガス抜けを示し、かつ特に、フィルム用途において用い得る、新規な立体障害のある容易に生成可能で容易に加工可能であるカルボジイミドを提供する。【解決手段】末端尿素および／またはウレタン基を有する新規なカルボジイミド、その生成のための方法、ならびにエステルをベースとするポリマーにおける、特に、加水分解劣化からの保護のためのフィルムにおける安定剤としてのその使用に関する。【選択図】なし