Preparation of amorphous/semicrystalline semi-aromatic (co)polya

Details Preparation of amorphous/semicrystalline semi-aromatic (co)polya Preparation of amorphous/semicrystalline semi-aromatic (co)polya

1993-01-04

1994-08-09

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528313, 528336, C08G 6928

Patent

active

053367545

ABSTRACT:
Amorphous or semicrystalline semi-aromatic copolyamides are prepared, with significantly reduced loss of amino reactant, by polycondensing an acidic monomer which includes at least one aromatic dicarboxylic acid having from 8 to 18 carbon atoms with an amino comonomer consisting essentially of an alkylpentamethylenediamine, or salt thereof, wherein said polycondensation is carried out in a closed reaction zone.

REFERENCES:
patent: 5109106 (1992-04-01), Lahary et al.

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