The effect of resin soluble binder on mold filling with preforms

Douglas Backes, K. Jayaraman, C. A. Petty

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    This paper presents a study of the effects of a resin soluble thermoplastic preform binder on the Resin Transfer Molding (RTM) process. The focus of the study is the rate of dissolution of the binder in the resin and the associated viscosity changes in the resin. Tests on the rate of binder dissolution from continuous strand glass mats show that after one minute of exposure to styrene, roughly half of the medium solubility binder from Unifilo 750 will dissolve and all of the high solubility binder from Unifilo 101 will dissolve. As the concentration of binder in the resin increases from 0 to 5 wt. percent, the viscosity of a vinyl ester resin increases from 125 cps to 280 cps. The viscosity of the resin has also been monitored in continuous flow experiments through the mats placed in a rectangular plague mold, at different flowrates. In these runs, the viscosity varied from 245 mPa-s to 145 mPa-s when the fill time was 2.2 minutes. The viscosity varied less - from 187 mPa-s to 145 mPa-s - when the fill time was 1 minute. The binder dissolution time is much less than the gel time of Derakane (10-20 minutes) and therefore is a major factor in the mold filling process.

    Original languageEnglish (US)
    Title of host publicationSAE Technical Papers
    DOIs
    StatePublished - 1993
    EventInternational Congress and Exposition - Dearborn, MI, United States

    Other

    OtherInternational Congress and Exposition
    CountryUnited States
    CityDearborn, MI
    Period3/1/933/5/93

    Profile

    Binders
    Resins
    Viscosity
    Dissolution
    Solubility
    Resin transfer molding
    Thermoplastics
    Styrene
    Esters
    Gels
    Glass
    Experiments

    ASJC Scopus subject areas

    • Automotive Engineering
    • Safety, Risk, Reliability and Quality
    • Pollution
    • Industrial and Manufacturing Engineering

    Cite this

    The effect of resin soluble binder on mold filling with preforms. / Backes, Douglas; Jayaraman, K.; Petty, C. A.

    SAE Technical Papers. 1993.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Backes, D, Jayaraman, K & Petty, CA 1993, The effect of resin soluble binder on mold filling with preforms. in SAE Technical Papers. International Congress and Exposition, Dearborn, MI, United States, 1-5 March. DOI: 10.4271/930175

    Backes, Douglas; Jayaraman, K.; Petty, C. A. / The effect of resin soluble binder on mold filling with preforms.

    SAE Technical Papers. 1993.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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