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Smart 'in mould' manipulation of materials

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Smith, G. F., Goodship, Vannessa, Ogur, E. O. and Stidworthy, P. (2008) Smart 'in mould' manipulation of materials. Plastics, Rubber and Composites, Vol.37 (No.2-4). pp. 88-95. doi:10.1179/174328908X283366 ISSN 1465-8011.

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Official URL: http://dx.doi.org/10.1179/174328908X283366

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Abstract

In mould manipulation of materials during injection moulding can be used to overcome aesthetic and mechanical weaknesses inherent in a standard injection moulding. This can include manipulating polymer orientation for morphology enhancement or improving bulk properties such as weld lines. Here the experimental results of using a rotating pin at the weld line of talc and glass filled polypropylene are presented. With talc filled material this technique improved weld line strength significantly providing pin rotation speed did not exceed 100rpm, glass filled material also improved but to a much lesser degree. Further uses of in mould manipulation are then introduced: polarity manipulation, 'in mould' paint development and finally the potential for producing multi-functional moulding.

Item Type: Journal Article
Subjects: T Technology > TP Chemical technology
Divisions: Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH): Injection molding of plastics, Injection molding of rubber, Unsteady flow (Fluid dynamics)
Journal or Publication Title: Plastics, Rubber and Composites
Publisher: Maney Publishing
ISSN: 1465-8011
Official Date: May 2008
Dates:
DateEvent
May 2008Published
Volume: Vol.37
Number: No.2-4
Number of Pages: 8
Page Range: pp. 88-95
DOI: 10.1179/174328908X283366
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Conference Paper Type: Paper
Title of Event: Biennial Polymer Process Engineering International Meeting
Type of Event: Conference
Location of Event: Bradford, England, U.K.
Date(s) of Event: Jul 03-04, 2007

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