Function of silicon oil in the castor oil based rigid polyurethane foams
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Raminder Kaur
und
Mukesh Kumar
Abstract
Rigid polyurethane foams are one of the most important cellular plastics. Castor oil was modified with glycerol to form the polyol and reacted with methyl diisocyanate and different proportions of silicon oil to achieve rigid polyurethane foam. Prepared foam was tested for its density and mechanical properties. It was found that compressive and flexural strength was improved with silicon oil content. The morphology of the resulted foams was also studied using scanning electron microscope, and it was observed that the cell size was reduced with silicon oil content, indicating a more dense and packed structure. With further increase in the silicon oil content, foam properties showed a slight decrease in value.
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Artikel in diesem Heft
- Masthead
- Masthead
- Original articles
- Solvent-initiator compatibility and sensitivity of conversion of styrene homo-polymerization
- Synthesis and effect of secondary dopant on the conductivity of conducting polymer polyaniline
- Potential utilization of recycled PET in comparison with liquid crystalline polymer as an additive for HDPE based composite fibers: Comparative investigation on mechanical performance of cross-ply laminates
- Study on the effect of virgin and recycled chloroprene rubber (vCR and rCR) on the properties of natural rubber/chloroprene rubber (NR/CR) blends
- Synthesis of a novel silicone based copolymeric surfactant and application in emulsion polymerization
- Post-irradiation effects on gamma-irradiated nylon 6,12 fibers
- Preparation and properties of sodium alginate films
- Study on crystallization and compatibility of nitrile butadiene rubber (NBR)/polyoxymethlene (POM) blends modified by a polyether polyol
- Polyamide grafting onto ethylene-vinyl alcohol copolymer
- Acoustic parameter investigation of polyvinyl acetate with acetic acid using ultrasonic technique
- Electrospun cellulosic structure nanofibre based on rice straw
- Function of silicon oil in the castor oil based rigid polyurethane foams
