Modelling of Phase Transitions and Residual Thermal Stress of CTBN Rubber Modified Epoxy Resins during a Pultrusion Process
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L. Calabrese
Abstract
The implicit finite difference and fourth order Runge-Kutta method are used both to solve the heat transfer problem in the pultrusion reaction and to calculate the temperature and conversion distributions within a thermoset composite profile. The aim of our work is to study the influence of a rubbery phase added to the epoxy matrix in production conditions. The results have shown that the rubber modified systems have a low exothermic temperature peak value, so that neither the amount of cured resin nor the final product properties are limited.
First of all we will show that the phase transition (gelation and vitrification) zones within the die change as the amount of rubber varies in the resin. The relationship between the position and of these zones and the resin systems will be discussed. We calculate the residual thermal stresses for all the investigated fibre/resin systems, showing a reduction when the rubber amount increases in the epoxy blend.
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© 2007 Walter de Gruyter GmbH, Berlin/Boston, Germany
Artikel in diesem Heft
- Contents
- Regular Contributed Articles
- Functionalization of Low Density Polyethylene with Ricinol-2-oxazoline Methyl Maleate in a Twin-screw Extruder
- Modelling of Phase Transitions and Residual Thermal Stress of CTBN Rubber Modified Epoxy Resins during a Pultrusion Process
- Real-time Diagnosis of Micro Powder Injection Molding Using Integrated Ultrasonic Sensors
- Rheological Behavior of HEUR Mixtures in Aqueous Media
- Spinnability and Dyeability for Copolymer/Nano-SiO2 Fiber of Glycol and 1,2-Propanediol with PTA
- Development of a Novel Transcription Molding Process to Fabricate Sophisticated Polymer Products with Precise Microstructure and High Transparency Applicable to Display Devices and Bio-chips
- Effect of Aspect Ratio of Whisker on the Fibrillation of Liquid Crystalline Polymer in Polysulfone Matrix
- Gas Assisted Injection Molding of an Industrial Part: 3D Simulation Provides Virtual Molding Trials
- Analysis of Film Blowing with Flow-enhanced Crystallization
- Analysis of Film Blowing with Flow-enhanced Crystallization
- A Composite Model for Melting, Pressure and Fill Factor Profiles in a Metered Fed Closely Intermeshing Counter-rotating Twin Screw Extruder
- Surface Defects of TPO Injected Foam Parts for Automotive Applications
- PPS News
- PPS News
- Seikei-Kakou Abstracts
- Seikei-Kakou Abstracts
Artikel in diesem Heft
- Contents
- Regular Contributed Articles
- Functionalization of Low Density Polyethylene with Ricinol-2-oxazoline Methyl Maleate in a Twin-screw Extruder
- Modelling of Phase Transitions and Residual Thermal Stress of CTBN Rubber Modified Epoxy Resins during a Pultrusion Process
- Real-time Diagnosis of Micro Powder Injection Molding Using Integrated Ultrasonic Sensors
- Rheological Behavior of HEUR Mixtures in Aqueous Media
- Spinnability and Dyeability for Copolymer/Nano-SiO2 Fiber of Glycol and 1,2-Propanediol with PTA
- Development of a Novel Transcription Molding Process to Fabricate Sophisticated Polymer Products with Precise Microstructure and High Transparency Applicable to Display Devices and Bio-chips
- Effect of Aspect Ratio of Whisker on the Fibrillation of Liquid Crystalline Polymer in Polysulfone Matrix
- Gas Assisted Injection Molding of an Industrial Part: 3D Simulation Provides Virtual Molding Trials
- Analysis of Film Blowing with Flow-enhanced Crystallization
- Analysis of Film Blowing with Flow-enhanced Crystallization
- A Composite Model for Melting, Pressure and Fill Factor Profiles in a Metered Fed Closely Intermeshing Counter-rotating Twin Screw Extruder
- Surface Defects of TPO Injected Foam Parts for Automotive Applications
- PPS News
- PPS News
- Seikei-Kakou Abstracts
- Seikei-Kakou Abstracts
