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公开(公告)号：US20220298286A1
公开(公告)日：2022-09-22
申请号：US17634681
申请日：2020-08-13
Applicant: BASF SE
Inventor： Julia LIESE , Stefan BOKERN
Abstract: Described herein is a process for preparing a polyurethane-polyisocyanurate compound by mixing a) at least one polyisocyanate; b) a mixture (M); c) at least one compound including one or more epoxide groups; d) at least one aliphatic polyol (P1) having a high weight average molecular weight; e) at least one polyol (P2) having a low weight average molecular weight; f) at least one compatibilizer; and, optionally, g) fillers and further additives to form a reaction mixture (RM); and reacting the mixture (RM) to give the polyurethane-polyisocyanurate compound. Also described herein are a polyurethane-polyisocyanurate compound obtainable by the process and a method of using the polyurethane-polyisocyanurate compound for producing bodywork components for vehicles.
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公开(公告)号：US20180086871A1
公开(公告)日：2018-03-29
申请号：US15561747
申请日：2016-03-23
Applicant: BASF SE
Inventor： Stefan BOKERN , Frank PRISSOK , Sebastian HARTWIG , Elmar POESELT , Julia GOESCHEL , Uwe KEPPELER
CPC classification number: C08G18/3215 , C08G18/4879 , C08G2280/00 , C08J9/228
Abstract: The present invention relates to a process for producing a molding (FK), comprising the production of a thermoplastic polyurethane, comprising the reaction of at least one polyisocyanate composition, at least one chain extender, and at least one polyol composition, the production of a molding (FK*) from the thermoplastic polyurethane, the heating of the molding (FK*) to a temperature below the temperature at which the molding (FK*) is permanently deformable, and above the switching temperature of the thermoplastic polyurethane, the compressing of the heated molding (FK*) to give a molding (FK), and the cooling of the molding (FK) to a temperature below the switching temperature of the thermoplastic polyurethane, and also to the moldings obtainable or obtained by such a process.
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