Polymeric alloys from polyester resins and process for their production
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United States of America Patent
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Dec 22, 1998
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app pub date -
Dec 5, 1996
filing date -
Oct 15, 1992
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Abstract
A process for the preparation of polymeric alloys from polyester resins and polymers containing groups capable of giving addition reaction with functional compounds containing at least two reactive groups comprising the melt state mixture stage of polyester resin, reactive polymer and functional compound of mixture pelletizing and following polyaddition reaction in the solid state at temperatures between 150.degree. and 220.degree. C. to obtain an increase of the polymer intrinsic viscosity of 0.1 dl/g in comparison with the starting polyester resin.
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