Abstract:
Self-extinguishing aromatic polyamides obtained by polycondensation of halogenated 2,4-diaminodiphenylethers and isophthalic acid and optionally terephthalic acid.
Abstract:
The invention relates to homogeneous injection mouldable compositions which comprise 70 to 99.9 percent by weight of a polyamide and 0.1 to 30 percent by weight of a hydroxylcontaining polyolefine. Saponified copolymers of ethylene and vinyl acetate are suitable for use as hydroxyl-containing polyolefines.
Abstract:
1. TRANSPARENT ORGANIC SOLVENT RESISTANT THERMOPLASTICALLY FORMABLY COPOLYAMIDES, OBTAINED BY POLYCONDENSATION OF BIS-(4-AMINO CYCLOHEXYL)-METHANE, AT LEAST ONE AROMATIC DICARBOXYLIC ACID AND E-CAPROLACTAM, WITH A RELATIVE SOLUTION VISCOSITY OF AT LEAST 1:5 AS MEASURED IN A 1% M-CRESOL SOLUTION AT 25* C. CONSISTING OF: (1) FROM 70 TO 35% BY WEIGHT OF EQUIMOLAR QUANTITIES OF AMINO UNITS (A) OF THE GENERAL FORMULA
Abstract:
THE INVENTION RELATES TO TRANSPARENT THERMOPLASTICALLY PROCESSABLE POLYAMIDES AND TO A PROCESS FOR THEIR PRODUCTION FROM BIS-(4-AMINOCYCLOHEXYL)-METHANE AND 3ETHYL-1,10-DECANE DICARBOXYLIC ACID, OPTIONALLY IN CONJUNCTION WITH OTHER DICARBOXYLIC ACIDS, OR FROM DERIVATIVES OF THE ACIDS. THE INVENTION ALSO RELATES TO A PROCESS FOR THE PRODUCTION OF TRANSPARENT THERMOPLASTICALLY PROCESSABLE POLYAMIDES WHICH COMPRISES POLYCONDENSING BIS(4-AMINO-CYCLOHEXYL)-METHAANE, FROM 40 TO 70% OF WHOSE CYCLOHEXANE RINGS ARE TRANS-ORIENTED WITH A DICARBOXYLIC ACID, OR AN ESTER OR ACID DERIVATIVE THEREOF, WHICH DICARBOXYLIC ACID COMPRISES FROM 5 TO 100 MOL PERCENT OF 3ETHYL-1,10-DECANE DICARBOXYLIC ACIDD AND FROM 0 TO 95 MOL PERCENT OF AN ADDITIONAL DICARBOXYLIC ACID OR ACIDS HAVING 6 TO 16 CARBON ATOMS.