Comparison of Rheological Measurements During Mold Filling for Glycol and Amine Extended Urethane RIM Systems

Author:

Vespoli N.P.1,Alberino L.M.1

Affiliation:

1. The Upjohn Company Donald S. Gilmore Research Laboratories North Haven, CT 06473

Abstract

Mold filling is an important aspect of the RIM process. Component tempera tures and viscosities, mold temperatures, gel times and material flowrate are all significant variables in the equation for optimal mold filling. In this work, an automated data collection system is used to monitor flow in a mold for two RIM processed systems; the use of a specially designed tool allowed the calculation of the viscosities of the reacting materials at different locations in the tool.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics

Cited by 10 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Fluorescence and IR Characterization of Cure in Polyurea, Polyurethane, and Polyurethane−Urea;Macromolecules;2002-01-01

2. In-Mold RIM Kinetics via Mid-Infrared Fiber Optic FT-IR;Journal of Reinforced Plastics and Composites;1994-01

3. Rheokinetic changes during polyurea reactions in solution;Journal of Applied Polymer Science;1990

4. Characterization of Laboratory Scale RIM Machines;Journal of Elastomers & Plastics;1989-01

5. Modeling and Computer Simulation of Reactive Processing;Comprehensive Polymer Science and Supplements;1989

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