Additive-containing molded resin and process for producing the same
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United States of America Patent
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-
May 27, 2003
Grant Date -
N/A
app pub date -
Oct 16, 2000
filing date -
Nov 28, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An additive-containing resin molded article which suffers from little exudation or vaporization of an additive and sustains the effect of the additive for a long period of time and in which reductions in various physical properties due to molecular weight reduction of a polyester resin are suppressed, and a process for producing the same are provided. When a polyester resin 5 is heat-melted and molded into a prescribed shape by means of an extruder 1, etc., a bi- or multi-functional additive 6 having at least one of a functional hydroxyl group, carboxyl group, amino group, and ester bond is added and allowed to react with the polymer molecules of the molten polyester resin 5 to obtain an additive-containing resin molded article 50 in which the additive 6 is bonded to the polymer molecules through an ester linkage or an amide linkage.
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Cited Art Landscape
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