Procedure for obtaining Continuous copolyamides, based on (i), a lactamA diamine (ii) and a dicarboxylic acid (iii) copolyamides and use Fiber materials of Flat structure and Moulded Bodies

摘要

2. The procedure of continuous copolymerization from lactamis to paartir, such as carp and the same amount of carbon dioxide and sulfur dioxide, such as hexamethylenediamine adipic acid (ah salt);They are generally anonymous For example, in this procedure, the control layer, hydrogen salt and water in a vertical prescribed tube (pre emptive tube) from the top to the bottom, polyurethane is applied in the tube at high temperature and high pressure, while the reaction mass is guided down the tube, And put the capillary down Another method is to avoid re-entry water evaporation by adding a sub-h salt solution to a corresponding pre Olympic fusion and adding it evenly to atmospheric pressure as the water evaporates.It must be ensured that the temperature difference of the preliminary match fusion is not lower than a certain minimum value. The sventaja of these programs is that it is difficult to maintain a constant temperature, in addition, diamonds are lost in the prediction process, so it is difficult to manage large and stable products. This is a second program called auntro procedemie nto, which passes through a diamond and a silica acid through an equivalent aqueous solution through a tubular reactor under mild pressure and simultaneous evaporation of water.Comments more than a month ago The disadvantage of this program is that it has limited flexibility for obtaining copolymers of different forms. In addition, the program has a certain time to stay at the high level of pre thinking layer. The procedure for obtaining copolyamides continuously is based on a lactose (I),1. Diamond (II) and 12 carbon (III),Procedure: the mixture (IV) containing diamond (II) reacts,a. Under the initial reaction conditions of 1.3 + 10 (5) to 2.5 * 10 (5) Pa, the carbon (III) acid and water, the temperature (V) above the polymer aggregation point and the conversion level were studied