The effect of holding pressure on the shrinkage and birefringence of injection moulded polypropylene plates

This paper shows the results of shrinkage and birefringence of injection moulded plates. The study was done with two polypropylenes with different MFI. Focus is made on the effect of the holding pressure on the experimental as-moulded shrinkage and birefringence in the flow direction. The mouldings...

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Bibliographic Details
Main Author: Pontes, A. J. (author)
Other Authors: Oliveira, M. (author), Pouzada, A. S. (author)
Format: conferencePaper
Language:eng
Published: 2004
Subjects:
Injection moulding
Shrinkage
Birefringence
Polypropylene
Science & Technology
Online Access:http://hdl.handle.net/1822/34776
Country:Portugal
Oai:oai:repositorium.sdum.uminho.pt:1822/34776

Internet

http://hdl.handle.net/1822/34776

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