Polymeric materials and additives therefor

Details Polymeric materials and additives therefor Polymeric materials and additives therefor

2005-03-30

2010-10-26

Zemel, Irina S (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C528S503000, C428S034700, C524S413000, C524S783000

Reexamination Certificate

active

07820781

ABSTRACT:
A polymer additive for improving the reheat characteristics of a polymer or polymeric composition comprises an inorganic material which is such that a 2.5 mm thick polyethylene terephthalate plaque incorporating the inorganic material has, when tested, an absorption ratio of less than 0.9, wherein the absorption ratio is either the ratio of A1/A2 or the ratio A1/A3, wherein:A1 is the maximum absorption between 400 nm and 550 nm;A2 is the maximum absorption between 700 to 1100 nm;A3 is the maximum absorption between 700 to 1600 nm.Preferred inorganic materials are titanium nitride, indium tin oxide and lanthanum hexaboride.

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English Translation of JP 61-278558.
Bishop et al., “How items such as dust, oligomers and slip agents can affect the polymer film surfacequality . . . ”, Society of Vacuum Coaters, 49thAnnual Technical Conference Proceedings, 2005.
International Search Report dated June 15, 2005 (PCT/GB2005/001231).

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