Polymeric materials
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United States of America Patent
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Apr 28, 2020
Grant Date -
Oct 5, 2017
app pub date -
Aug 27, 2015
filing date -
Sep 2, 2014
priority date (Note) -
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Abstract
A method of producing a product, for example a stretch blow moulded container having a metallic or pearlescent appearance, comprises selecting a mass, for example a container preform, comprising a thermoplastic polymer which incorporates a carrier polymer and stretching the thermoplastic polymer during production of said product, for example from said mass. Said carrier polymer is suitably polydimethylsiloxane and the mass may be made in a process which comprises contacting a thermoplastic polymer with a liquid formulation comprising carrier polymer and colourant.
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