-
公开(公告)号：US20230088913A1
公开(公告)日：2023-03-23
申请号：US17801905
申请日：2021-02-22
申请人： SIKA TECHNOLOGY AG
发明人： Edis KASEMI , Oguz SARIOGLU , Urs BURCKHARDT , Andreas KRAMER , Ursula STADELMANN , Jochen GRÖTZINGER , Uwe VON DER BRÜGGEN
摘要： An amino-functional addition product from the reaction of at least one diamine of the formula (I) with at least one aromatic diepoxide in a stoichiometric ratio in the range of 1.3 to 1.7 mole diamine per 1 mole-equivalent of epoxy groups. The addition product is liquid at room temperature without a diluent and has surprisingly low viscosity. The composition allows the manufacture of low-emission epoxy-resin coatings that have good workability, cure particularly rapidly and with high surface quality in cold and damp conditions, and allow for a wide range of combinations with other amines and diluents.
-
公开(公告)号：US20230068858A1
公开(公告)日：2023-03-02
申请号：US17785553
申请日：2021-02-22
申请人： SIKA TECHNOLOGY AG
发明人： Edis KASEMI , Oguz SARIOGLU , Urs BURCKHARDT , Andreas KRAMER , Ursula STADELMANN , Jochen GRÖTZINGER , Uwe VON DER BRÜGGEN
摘要： An amine-functional adduct from the reaction of an amine mixture containing at least one diamine of formula (I) and at least one diamine of formula (II) in a weight ratio ranging from 65/35 to 95/5 with at least one diepoxide in a stoichiometric ratio of at least 1. 2 moles of diamine of the formula (I) to 1 mole equivalent of epoxide groups. The adduct is liquid at room temperature without diluent even in the presence of a small excess of diamine and is surprisingly low in viscosity. In addition, it is particularly cost-effective, as it is available from an amine mixture that is technically easy to produce. The adduct enables low-emission or emission-free epoxy resin coatings with surprisingly good workability at surprisingly fast curing, which have a high hardness and low tendency to yellowing, and which hardly tend to blushing-related defects even in cold and humid conditions.
-
搜索结果
2 条记录 (耗时 0.012 秒)