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A polyamide resin having a sensitivity index to shear forces in melt state higher than 200 poises/rad/sec and a viscosity index higher than 5000 dine/cm2 per rad/sec, obtained by a solid state polyaddition of a polyamide resin selected from the group comprising Nylon 6, Nylon 6,6, Nylon 11 and Nylon 12 in the presence of a polyfunctional compound capable of addition reactions with resin terminal groups, the polyfunctional compound being selected from the group consisting of dianhydrides of aromatic tetracarboxylic acids and oxazolines, in an amount from 0.05 to 2% by weight.
TW084104056A1994-05-051995-04-25Polyamide resins with improved rheological properties
TW349107B
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