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Please use this identifier to cite or link to this item: http://purl.org/purl/902

Title: Cure Characteristics of Short Polyester Fiber-PolyurethaneElastomer Composite with Interfacial Bonding Agents Based on Polymeric 4,4'-Diphenylmethanediisocyanate
Authors: Sunil,K Narayanankutty
Keywords: Short fiber composites
PET fibers
interfacial bonding
Issue Date: 7-Jan-1997
Publisher: OPA (Overseas Publishers Association)
Abstract: Cure characteristics of short polyester fiber-polyurethane composites with respect to different bonding agents (MD resins) based on 4, 4' diphenylmethanediisocyanate (MDI) and various diols like propyleneglycol (PG), polypropyleneglycol (PPG) and glycerol (GL) were studied. Tmax. - Tmin. of composites having MD resin were found to be higher than the composite without MD resin. Minimum torque and Tmax. - Tmin., scorch time and optimum cure time were increased with the increase of MDI equivalence. Optimum ratio of MDI / -of in the resin was found to be within the range of 1-1.5. It was observed from the cure characteristics that for getting better adhesion between short polyester fiber and the polyurethane matrix the best choice of MD resin was one based on MDI and 1:1 equivalent mixture of polypropyleneglycol and glycerol.
URI: http://dyuthi.cusat.ac.in/purl/902
Appears in Collections:Dr. Sunil K Narayanankutty

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