公开(公告)号：US11591545B2

公开(公告)日：2023-02-28

申请号：US17284020

申请日：2019-10-07

Applicant: BASF SE

Inventor： Paul Klingelhoefer ,  Michael Koch ,  Michael Schier ,  Juergen Schneider

IPC: C11C3/02 ,  C07C67/08 ,  B01J31/02 ,  C07C67/03

Abstract: The present invention relates to a method of producing fatty acid alkyl ester from an organic oil source containing at least one free fatty acid, wherein the oil source has an acid number of at least 30 mg KOH/g oil source and wherein the method comprises the steps of a) reacting the oil source with glycerol at a temperature, which does not exceed 180° C. during the reaction, in the presence of a catalyst comprising at least one alkyl or aryl sulfonic acid or an homoanhydride thereof; and b) transesterification of the reaction product from step a) with an alkanol; and c) isolating the fatty acid alkyl ester from the reaction product of step b).

公开(公告)号：US20200368978A1

公开(公告)日：2020-11-26

申请号：US16955462

申请日：2018-12-11

Applicant: BASF SE

Inventor： Georg Partusch ,  Juergen Schneider ,  Gerd Westermann ,  Klaus Schmutzer

IPC: B29C70/34 ,  B32B7/12 ,  B32B37/12 ,  B29C70/08 ,  B32B3/12 ,  B32B5/02 ,  B32B15/14 ,  B32B27/12 ,  B32B29/02 ,  B32B37/14 ,  C09J175/08 ,  C09J5/00 ,  C08G18/76 ,  C08G18/48 ,  C08G18/10

Abstract: Described herein is a process for producing polyurethane sandwich moldings including at least one core layer and at least one reinforcing fiber layer, where (i) at least one reinforcing fiber layer is applied onto a core layer and a moisture-curing polyurethane adhesive is applied to a reinforcing fiber layer, (ii) the part from (i) is placed into a mold and pressed in the mold and the moisture-curing polyurethane adhesive is cured, and (iii) the molding from (ii) is removed from the mold and optionally subjected to further operations, where the moisture-curing polyurethane adhesive is applied before or after application of the reinforcing fiber layer onto the at least one core layer and for the curing the moisture-curing polyurethane adhesive is brought into contact with water or with a solution comprising water. Also described herein are a polyurethane sandwich molding obtainable by such a process and a method of using a polyurethane sandwich molding in vehicles.