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Cellulosic Reinforcement in Reactive Composite Systems by J. R. Collier; M. Lu; M. Fahrurrozi; B. J. Collier is a Materials Science article available to read on EtoBox.

What is Cellulosic Reinforcement in Reactive Composite Systems about?

The two reactive systems using cellulosic fiber reinforcement emphasized in this article are twin screw extrusion maleation of polypropylene (PP) and structural reaction injection molding (SRIM). Both simultaneous and sequential compounding of sweet gum wood fiber (WF) with maleation were studied. Similar PP/WF mechanical properties are observed for simultaneous and sequential compounding. However, the melt viscosity of the simultaneous compounding and maleation deceases initially compared to neat polypropylene, whereas the sequential process does not have an initial decrease. After the initial response, the melt viscosity and shear thinning characteristics in both systems increase with WF content compared to their respective low WF behavior. The cellulosic reinforcement in the SRIM studies include: cheesecloth; and nonwoven mats formed separately from fiber bundles of sugar cane rind, kenaf, and sweet gum wood. In the SRIM system the modulus and tensile strength of the neat polyurea/urethane increases with cellulose content, independent of cellulosic source; the modulus doubles with only 4% cellulose, and the tensile strength doubles with only 7% cellulose. However, the elongation

Who reads Cellulosic Reinforcement in Reactive Composite Systems?

Author

J. R. Collier; M. Lu; M. Fahrurrozi; B. J. Collier

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0021-8995)

Published

1996

Language

EN

Field

Materials Science (Physical Sciences)