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粉末顺酐及其片状顺酐的应用发展趋势

来源:http://www.jnjhhg.cn/ 日期:2021-07-30 发布人: 浏览次数:0
以前的顺酐(马来酸酐)样子以粉末主体,由于马来酸酐、具备呛鼻和辣眼的味道,因此粉末对人的刺激性更大,并且生产量太低,因此慢慢被片状顺酐取代。现阶段还要制造粉末状顺酐的生产厂家基本上沒有,有都是作为独特顾客人群的商品在少量制造,不规模。
In the past, maleic anhydride (maleic anhydride) was mainly powder. Because maleic anhydride had the smell of choking nose and spicy eyes, the powder was more irritating to people, and the production was too low, so it was slowly replaced by flake maleic anhydride. At this stage, there are basically no manufacturers to manufacture powdered maleic anhydride. Some of them are manufactured in a small amount as commodities of unique customer groups, which is not large-scale.
片状顺酐(马来酸酐)由于生产流水线的切割刀钢度较为强,而顺酐自身是结晶,因此所切的片的样子没办法操纵,没办法保证匀称,会有许多粉末造成,封进包装袋子后,商品一受潮,一挤压成型,还是非常容易粘成块状,导致加料的不便捷,并且生产量上提不上,落伍的加工工艺淘汰也不新奇了。
Because the cutting knife of the production line has strong rigidity and the maleic anhydride itself is crystalline, the shape of the cut pieces can not be manipulated and symmetrical, which will be caused by many powders. After being sealed in the packaging bag, once the goods are damp and extruded, they are still very easy to stick into blocks, resulting in inconvenient feeding, Moreover, the production volume can not be raised, and the elimination of outdated processing technology is not novel.
受原材料苯的上涨,各地域刚开始挺价实际操作,苯法加工厂受原材料上涨危害团体上涨,并且廉价货慢慢得势,持货商没有响应积极主动,廉价出不来,援手主要加工厂,但是受中下游产销率不够危害,预估上涨力度不容易很大,等主要加工厂出具体指导价钱。
Due to the rise of raw material benzene, local regions have just begun to support the actual operation of price. Benzene process plants are affected by the rise of raw materials, and cheap goods are slowly gaining momentum. The goods holders do not respond actively and can not come out cheaply to help the main processing plants. However, due to the insufficient production and marketing rate in the middle and lower reaches, it is not easy to estimate the rise, and the main processing plants give specific guidance prices.

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