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Global bio-based polyurethane market is expected to grow at a CAGR of 6.75% during 2016-2020. Among many natural oils, castor oil is primarily used for producing natural oil polyols due to the availability of ready hydroxyl group unlike other oils … Continue reading
Mitsui Chemicals & SKC Polyurethanes Co. Ltd. (MCNS) a 50:50 joint venture of Japan’s Mitsui Chemicals and South Korea’s SKC will establish a polyurethane system house, MCNS Polyurethanes India Pvt Ltd, in Andhra Pradesh with an initial investment of $ … Continue reading
Researchers from India prepared castor oil polyurethane from pre-polymer oftoluene diisocyanate (TDI) and castor oil with dibutyl tin dilaurate (DBTDL) catalyst. Water was used as blowing agent. The rate of forming was increased by increasing catalyst and water content. On … Continue reading
Scientists from China synthesized hybrid polyurethanes with double-decker silsesquioxane (DDSQ) using castor oil and isophorone diisocyanate (IPDI) as feedstock. Double-decker octaphenyl silsesquioxanetetraol (DDSQ) was prepared and characterized by spectroscopy. Results showed that with the inclusion of DDSQ, the hydrophobicity of … Continue reading
Scientists from India performed an experiment where asphalt which is commonly used for road pavement was modified using castor oil based polyurethane to improve the properties of asphalt such as resistance to permanent deformation and to reduce the fatigue. Polyurethane … Continue reading
Researchers from Finland have found a method to produce novel castor oil segmented thermoplastic polyurethanes which have controlled mechanical properties. Thermoplastic polyurethane (TPU) is an elastomer that is fully thermoplastic. Like all thermoplastic elastomers, TPU is elastic and melt-processable. TPU … Continue reading
Recent study shows that a two-step mediation of castor oil could overcome the problem of polyaddition threshold of castor oil during polyurethane formation. The study has been conducted by scientists from India who have found that the mediation facilitates formation … Continue reading
A sealant is an elastomeric material that allows for 25% to 50% movement. They are used to level, fill gaps, seal holes and provide bonding and protection. Sealants are made by using either silicone or polyurethane. Polyurethane sealants are formed … Continue reading
Scientists from Malaysia performed an experiment to compare the physico-chemical properties of high performance polyurethane prepared using pure poly propylene glycol (PPG) and that prepared from PPG and castor oil. Characterization studies indicated the presence of large -CH stretching in … Continue reading
Scientists performed an experiment to synthesize castor oil based hybrid polymers and their polyurethane urea-silica coatings. New acrylated alkoxysilane castor oil (AASCO) with hydrolysable –Si–OCH3 was synthesized from CO, maleic anhydride and 3-(Trimethoxysilyl) propyl methacrylate via free radical copolymerization method. … Continue reading