SURFACE COATINGS BASED ON WATER BORNE POLYURETHANE DISPERSION WITH HYDROXYL/CARBOXYL FUNCTIONALITY CROSS-LINKED BY HEXAKIS
Application 826/MUM/2006 published 2006-07-14, filed 2006-05-30
The present invention describes synthesis of Hydroxyl / carboxyl functional polyurethane dispersion (PUD), with low volatile organic content (VOC), based on poly (ethylene) glycol (PEG), dimethylol propionic acid (DMPA), and m-tetramethyl xylene diisocyanate (m-TMXDI). The coating materials are formulated with varying concentration of hexakis(methoxymethyl)melamine resin (HMMM) and cured at elevated temperatures (120-180Û& WRREWDLQWKUHHGLPHQVLRQDOO\FURVVOLQNHGWKHUPRVHWWLQJQHWZRUNV7KHUHDFWLRQVDUHFDWDO\]HGZLWKGLIIHUHQWFRQFHQWUDWLRQVRIDPLQH-blocked p-toluene sulphonic acid (p-TSA). These coating are particularly useful for application on mild steel, aluminium and plastic materials. Drawing: NIL Total Pages: 18 Fig. Nil
Applicant
1. PROF. DR. VILAS DATTATRAY ATHAWALE 2. MR. SUNIL NAMDEV PESHANE
1. C-702 ASTER, VALLEY OF FLOWERS, THAKUR VILLAGE, KANDIVALI
Inventor
1. PROF. DR. VILAS DATTATRAY ATHAWALE 2. MR. SUNIL NAMDEV PESHANE
International Info
Classification: C08G 18/08, C08G 18/10, C08G 18/12