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Dual injection molding and automotive glazing
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Kirwan, Kerry, Smith, Gordon and Singh, R. (2000) Dual injection molding and automotive glazing. United States: SAE Technical Papers. (Technical paper 2000-01-2689.
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Official URL: http://dx.doi.org/10.4271/2000-01-2689.
Abstract
This paper outlines the requirements for obtaining a transparent PC-PMMA sandwich composite for use in an automotive glazing application. It is shown that transparency can be maintained if turbulent interfacial mixing is kept to a minimum through slow injection and careful matching of the skin and core material rheologies. If significant interfacial mixing is present then the difference in refractive indices of the two materials must be less than ± 0.002 for transparency to be maintained. The melt temperature difference between skin and core material can be no more than ± 30°C otherwise thermal degradation occurs along with difficulties in achieving full cavity fill.
| Item Type: | Report |
|---|---|
| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) |
| Series Name: | Technical paper 2000-01-2689 |
| Publisher: | SAE Technical Papers |
| Place of Publication: | United States |
| Date: | 3 October 2000 |
| Identification Number: | 10.4271/2000-01-2689. |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Description: | Technical paper 2000-01-2689 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/48491 |
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