Theoretical and experimental study of calcium extraction using ionic liquids: COSMO-RS approach
作者:Tayebe Gharehdaghi、Javad Karimi-Sabet、Seyyed Mohammad Ghoreishi、Maryam Motallebipour、Sodeh Sadjadi
DOI:10.1016/j.molliq.2021.118174
日期:2022.1
computational results, and the extraction of calcium ion was measured as a function of various diluent and concentration of TSILs. The synthesized TSILs represented high calcium extraction efficiency, which was in agreement with the computational result. The mechanism of calcium extraction was studied using the slope analysis method. The stripping of calcium ion from the organic phase and recyclability of TSILs
Curable resin composition, coating composition and process for forming a cured film
申请人:Nippon Paint Co., Ltd.
公开号:EP0751196A2
公开(公告)日:1997-01-02
The present invention provides a curable resin composition having good curability and storage stability, which provides a cured film having excellent weather resistance, acid resistance and mar resistance. The curable resin composition comprises:
(a) 20 to 80% by weight of a polycarboxylic acid having an acid value of 25 to 300 mg KOH/g based on solid and a number average molecular weight of 500 to 20000; and
(b) 20 to 80% by weight of a polyepoxide having an epoxy equivalent of 100 to 800 and a number average molecular weight of 500 to 20000, prepared by copolymerizing: (1) 10 to 60% by weight of a long-chain epoxy monomer; and (2) 40 to 90% by weight of an ethylenically unsaturated monomer having no epoxy group. The present invention also provides a process for forming a cured film using the resin composition.
Curable resin composition, coating composition and method for forming coated film
申请人:Nippon Paint Co., Ltd.
公开号:EP0789064A2
公开(公告)日:1997-08-13
Disclosed is a high-solid curable resin composition which forms a coated film having excellent acid rain resistance, mar resistance, yellow resistance and appearance, comprising:
(a) 10 to 70% by weight of an acrylic polycarboxylic acid having 2 or more carboxyl groups per molecule on an average, an acid value of 5 to 300 mg KOH/g solid and a number-average molecular weight of 500 to 8000;
(b) 10 to 80% by weight of a polyepoxide having an epoxy equivalent of 50 to 700 and a number-average molecular weight of 200 to 10000; and
(c) 0.1 to 10% by weight of an antioxidant;
provided that the amounts of the components (a) to (c) being based on weight of the total solid contained in the curable resin composition.
Coating composition containing a non-halogen onium salt
申请人:NIPPON PAINT CO., LTD.
公开号:EP0953587A2
公开(公告)日:1999-11-03
A liquid coating composition, having good curability and good storage stability, and which provides a cured film having good weather resistance and, particularly, acid resistance, comprises: (a) a compound having at least 2 carboxyl groups; (b) a compound having at least 2 epoxy groups; and (c) 0.01 to 3.0 parts by weight based on 100 parts by weight of the total resin solid of an onium salt.