Abstract:
GLASS-CLEAR POLYAMIDES CONSISTING ESSENTIALLY OF POLYMERIC CONDENSATION PRODUCTS OF A MIXTURE OF STEREOISOMERS OF 2,2-BIS-(4-AMINOCYCLOHEXYL)-PROPANE AQND AN ALIPHATIC OR CARBOXYCLIC DICARBOXYLIC ACID HAVING SIX TO TEN CARBON ATOMS AND, IF DESIRED, CAPROLACTAM OR ADIPIC ACID AND HEXAMETHYLENE-DIAMINE. THE POLYAMIDES ARE USEFUL FOR THE PRODUCTION OF MOLDINGS.
Abstract:
A PROCESS FOR THE PRODUCTION OF N-SUBSTITUTED N-NITROSOHYDROXYLAMINES HAVING THE FORMULA:
R-N(-N=O)-OH
IN WHICH R DENOTES AN ALKYL, CYCLOLKYL OR ARALKYL RADICAL, BY REACTING A HYDROCARBON R-H (IN WHICH R HAS THE SAID MEANING) WITH NO AND HC1 IN THE PRESENCE OF LIGHT AT TEMPERATURE OF FROM-100*C. TO+100*C. AT A PRESSURE OF UP TO 2 ATMOSPHERES ABSOLUTE.
Abstract:
AN IMPREGANATN FOR WOOD COMPRISING A SALT OF N-NITROSOCYCLOHEXYLHYDROXYLAMINE DISSOLVED IN A SOLVENT OF A PHOSPHORIC ACID ESTER OF THE FORMULA:
O=P(-O-R1)(-O-R2)-O-R3
WHEREIN THE RADICALS R1, R2 AND R3 WHICH MAY BE IDENTICAL OR DIFFERENT, ARE ALKYL, CYCLOALKYL, ALKOXAYALKYL OR ARYL RADICALS, OR R1 AND R2 TOGETHER DENOTE AN ALKYLENE RADICAL.
WHEREIN SAID DIAMINES ARE POLYCONDENSED WITH DICARBOXYLIC ACIDS, DICARBOXYLIC ESTERS OR DICARBOXYLIC CHLORIDES AT ELEVATED TEMPERATURE, AND NEW POLYAMIDES CONTAINING SAID DIAMINES.