公开(公告)号：US20160208135A1

公开(公告)日：2016-07-21

申请号：US14912519

申请日：2014-07-21

Applicant: BASF COATINGS GMBH

Inventor： Bernhard STEINMETZ ,  Hardy Reuter ,  Peter HOFFMANN

IPC: C09D167/08 ,  C09D175/04 ,  B05D7/00 ,  C08G63/91

Abstract: The present invention relates to a dimer fatty acid/polyesterdiol reaction product which is preparable by reacting (a) dimer fatty acids with (b) at least one polyesterdiol of the general structural formula (I) where R is a divalent radical comprising 2 to 10 carbon atoms, R1 and R2 independently of one another are straight-chain or branched alkylene radicals having 2 to 10 carbon atoms, X and Y independently of one another are O, S or NR3, in which R3 is hydrogen or an alkyl radical having 1 to 6 carbon atoms, and m and n are selected accordingly such that the polyesterdiol possesses a number-average molecular weight of 450 to 2200 g/mol, where components (a) and (b) are used in a molar ratio of 0.7/2.3 to 1.3/1.7 and the resulting dimer fatty acid/polyesterdiol reaction product possesses a number-average molecular weight of 1500 to 5000 g/mol and an acid number

Abstract translation: 本发明涉及二聚脂肪酸/聚酯二醇反应产物，其可通过（a）二聚脂肪酸与（b）至少一种通式（I）的聚酯二醇反应制备，其中R是包含2至10个 碳原子，R 1和R 2彼此独立地是具有2至10个碳原子的直链或支链亚烷基，X和Y彼此独立地是O，S或NR 3，其中R 3是氢或具有1个 相应地选择m和n，使得聚酯二醇的数均分子量为450〜2200g / mol，其中组分（a）和（b）的摩尔比为0.7 / 2.3 至1.3 / 1.7，所得的二聚脂肪酸/聚酯二醇反应产物的数均分子量为1500〜5000g / mol，酸值<10mgKOH / g。 本发明还涉及一种着色的水性底漆材料，其包含该二聚体脂肪酸/聚酯二醇反应产物，以及所述二聚脂肪酸/聚酯二醇反应产物在着色的底漆底漆材料中的用途。 本发明还涉及一种用于生产多涂漆系统的方法，还涉及通过所述方法可生产的多色漆系统。 此外，本发明还涉及对多涂漆系统的缺陷进行修补。

公开(公告)号：US20160200936A1

公开(公告)日：2016-07-14

申请号：US14912542

申请日：2014-07-14

Applicant: BASF COATINGS GMBH

Inventor： Bernhard STEINMETZ ,  Peter HOFFMANN ,  Hardy REUTER

IPC: C09D167/08 ,  B05D7/00 ,  B05D5/00 ,  C08G63/52

CPC classification number: C08G63/676 ,  B05D5/005 ,  B05D7/532 ,  C08G63/52 ,  C08G63/553 ,  C09D167/08

Abstract: The present invention relates to a reaction product preparable by reacting (a) dimer fatty acids with (b) at least one compound (b) of the general structural formula (I) where R is a C3 to C6 alkylene radical and n correspondingly is selected such that the compound (b) possesses a number-average molecular weight of 120 to 445 g/mol, components (a) and (b) are used in a molar ratio of 0.7/2.3 to 1.6/1.7, and the resulting reaction product possesses a number-average molecular weight of 600 to 4000 g/mol and an acid number of less than 10 mg KOH/g. The invention further relates to a pigmented aqueous basecoat material which comprises this reaction product, and to the use of the reaction product in pigmented aqueous basecoat materials for improving adhesion. The present invention further relates to a method for producing multicoat paint systems, and also to the multicoat paint systems producible by means of said method.

Abstract translation: 本发明涉及通过使（a）二聚脂肪酸与（b）至少一种通式（I）的化合物（b）反应制备的反应产物，其中R是C3-C6亚烷基，n相应地被选择 使得化合物（b）的数均分子量为120〜445g / mol，组分（a）和（b）的摩尔比为0.7 / 2.3至1.6 / 1.7，所得反应产物 数均分子量为600〜4000g / mol，酸值小于10mgKOH / g。 本发明还涉及包含该反应产物的着色水性底漆材料，以及在着色的底漆底漆材料中使用反应产物以改善粘附性。 本发明还涉及一种用于生产多色漆系统的方法，还涉及通过所述方法可生产的多色漆系统。