The process employs the neat addition of terephthalic acid on completion of the ester interchange reaction and maintains the ratio of glycol to dimethyl terephthalate in the ratio of not more than 1.3 to 1. Preferably the process is conducted with titanium containing catalysts and has a ...
1. Neue Flüssigkristallverbindung in einer nematischen Phase mit einer negativen Dielektrizitätskonstante, die eine Struktur aufweist, die durch die folgende allgemeine Formel (1) dargestellt wird: wobei: R1 ein Wasserstoffatom oder ein lineares Alkyl mit 1 bis 8 Kohlenstoffatomen oder ein ...
The process employs the neat addition of terephthalic acid on completion of the ester interchange reaction and maintains the ratio of glycol to dimethyl terephthalate in the ratio of not more than 1.3 to 1. Preferably the process is conducted with titanium containing catalysts and has a ...
The process employs the neat addition of terephthalic acid on completion of the ester interchange reaction and maintains the ratio of glycol to dimethyl terephthalate in the ratio of not more than 1.3 to 1. Preferably the process is conducted with titanium containing catalysts and has a ...
The process employs the neat addition of\nterephthalic acid on completion of the ester interchange reaction and\nmaintains the ratio of glycol to dimethyl terephthalate in the ratio\nof not more than 1.3 to 1. Preferably the process is conducted with\ntitanium containing catalysts and has a ...