公开(公告)号：WO2013172823A1

公开(公告)日：2013-11-21

申请号：PCT/US2012/037979

申请日：2012-05-15

Applicant: 3M INNOVATIVE PROPERTIES COMPANY ,  KUEHNEWEG, Bernd ,  WEBER, Björn ,  NARUM, Timothy N. ,  FORES, Stuart E. ,  ROBINSON, Ian ,  ROGGENTIN, Eva Maria ,  HITSCHMANN, Guido ,  KURZ, Rainer

Inventor： KUEHNEWEG, Bernd ,  WEBER, Björn ,  NARUM, Timothy N. ,  FORES, Stuart E. ,  ROBINSON, Ian ,  ROGGENTIN, Eva Maria ,  HITSCHMANN, Guido ,  KURZ, Rainer

IPC: B32B7/02

CPC classification number: C09D175/08 ,  B05B13/00 ,  B05D3/007 ,  B64C11/205 ,  B64C27/473 ,  C08G18/10 ,  C08G18/4854 ,  C08G18/6674 ,  C08G18/73 ,  F01D5/288 ,  F05D2240/304 ,  F05D2300/43 ,  Y10T428/31551

Abstract: Reactive compositions for making a polyurethane-based rain-erosion protective coating for rotor blades, the reactive composition comprising an isocyanate-reactive component and an isocyanatefunctional component and wherein the isocyanate-reactive component comprises a first component i) being a short chain hydroxyl-functional compound having two terminal (alpha-omega)hydroxyl groups, a molecular weight of less than 250 g/mole and containing at least 2 carbon atoms and a second component ii) comprising a high molecular weight hydroxyl-functional compound having two terminal (alpha-omega) hydroxyl groups and a molecular weight of at least 250 g/mol and comprising one or more units selected from oxyalkylene units and polyoxyalkylene units and wherein the isocyanate¬ functional component is an isocyanate prepolymer of the general formula NCO-Z- NCO, wherein Z is a linking group comprising at least two urethane (-NH-CO-O-) units and additionally one or more units selected from alkylenes, oxyalkylenes, polyoxyalkylenes, alkylene esters, oxyalkylene esters, polyoxyalkylene esters and combinations thereof.

Abstract translation: 用于制备用于转子叶片的基于聚氨酯的防雨涂保护涂层的反应性组合物，所述反应性组合物包含异氰酸酯反应性组分和异氰酸酯官能组分，并且其中所述异氰酸酯反应性组分包含第一组分i）是短链羟基官能团 具有两个末端（α-ω）羟基，分子量小于250g / mol并且含有至少2个碳原子的化合物和第二组分ii）包含具有两个末端（α-ω）羟基的高分子量羟基官能化合物， ω）羟基并且分子量至少为250g / mol，并且包含一个或多个选自氧化烯单元和聚氧化烯单元的单元，并且其中所述异氰酸酯官能组分是通式NCO-Z-NCO的异氰酸酯预聚物，其中 Z是包含至少两个氨基甲酸酯（-NH-CO-O-）单元的连接基团，另外还有一个或多个选自亚烷基，o 二亚烷基，聚氧化烯，亚烷基酯，氧化烯酯，聚氧化烯酯及其组合。

公开(公告)号：WO2016172016A1

公开(公告)日：2016-10-27

申请号：PCT/US2016/028028

申请日：2016-04-18

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： WEBER, Björn ,  AUDENAERT, Frans A.

IPC: C08G18/12 ,  C08G18/10 ,  C08G18/30 ,  C08G18/87 ,  C08G71/04 ,  C08G77/458

CPC classification number: C09D175/04 ,  B05D3/108 ,  C08G18/10 ,  C08G18/12 ,  C08G18/3206 ,  C08G18/3812 ,  C08G18/3857 ,  C08G18/3861 ,  C08G18/387 ,  C08G18/3872 ,  C08G18/87 ,  F01D5/288

Abstract: The present disclosure relates to two-part polyurethane coatings having excellent erosion resistance and comprising a compound having a fluorinated segment. Additionally, these two-part polyurethane coatings can be cured under high relative humidity conditions. The present disclosure also relates to articles coated with those two-part polyurethane coatings and to methods of reducing erosion in an article, among other embodiments.

Abstract translation: 本公开内容涉及具有优异耐侵蚀性的两部分聚氨酯涂料，并且包含具有氟化链段的化合物。 此外，这些两部分聚氨酯涂料可以在高相对湿度条件下固化。 本公开还涉及涂覆有这些两部分聚氨酯涂层的制品以及减少制品中侵蚀的方法以及其它实施方案。