For the use of concrete admixtures, it is necessary to select suitable admixtures according to different construction purposes and environmental characteristics, considering economic benefits, and pay attention to the proportion matching in use, so as to help the admixtu...

The key ingredient of environmentally friendly plasticizers is a new type of environmental protection and safety plasticizer that is purified from a variety of green plants and then converted into a new type of plasticizer under the action of a series of metal catalysts....

1.Classification of polycarboxylate superplasticizers In the process of rapid economic and technological development in our country, polycarboxylate superplasticizers with high-efficiency water-reducing properties are often used in construction concrete. The common ones are as follows: polypropyl...

Source: China Lignin Trading Network Lignin is mainly composed of three elements, carbon, hydrogen and oxygen. It is generally accepted that lignin is a cross-linked natural *** type polymer compound formed by ***propyl (C9) units connected by C-O bonds or C-C bonds. Because it contains a lot of ...

【Summary Description】 The late autumn is about to pass, the leaves are falling, and the air is rustling, and winter has come. If the concrete construction is not prepared and prevented in advance before the arrival of winter, it will inevitably affect the quality and progress of the project, an...