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Study on synthesis of ultra-high molecular weight polyacrylamide
In recent years, the synthesis and application of ultra-high molecular weight polyacrylamide (HMW-PAAm) have received more and more attention and research. HMW-PAAm has good mechanical properties and can be used to prepare a variety of high-performance materials and devices, including hydrogels, nanofibers and multi-porous membranes. To prepare HMW-PAAm, it is necessary to synthesize it first. The purpose of this study is to explore the effective method of HMW-PAAm synthesis in order to find the effective process and the optimal conditions.
First, according to the HMW-PAAm synthesis reaction during the experiment, the necessary raw materials were prepared, including polyvinyl alcohol (PEG), acrylic acid (AA), organic sodium tert-butylsulfonate (NaTBS) and methyl methacrylate (MMA), and each component was examined in detail before mixing these raw materials. The relevant raw materials usually need to be washed, filtrate and sterile treatment, and then fully mixed, which is essential for the synthesis reaction. Then, according to the need to choose the appropriate reaction temperature, generally between 80-110℃, the time to choose 10-40 hours, to ensure that the reactants can be fully mixed. Then, the HMW-PAAm synthesis reaction is carried out. Due to the particularity of the reaction, it is necessary to gradually add reactants, adjust the temperature and time, and ensure that the reaction does not get out of control, and then the subsequent immobilization treatment can be carried out. Theoretical calculation Based on the principle of theoretical calculation, through the support of numerical simulation and computer technology software, combined with experimental data, the activity and structure of the polymer and the influence of the structure on the performance are analyzed, so as to provide consultation and support for the HMW-PAAm synthesis reaction. For example, parameters such as the concentration and density of various compounds in the HMW-PAAm synthesis reaction can be predicted and effective performance analysis can be performed. In addition, techniques such as modeling and kinetic simulation can be utilized to study the synthesis of HMW-PAAm reactions
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Process and mechanism, and then improve and optimize the reaction process. Application and development With the continuous development of science and technology, the synthesis research technology of HMW-PAAm has been greatly improved
It has been widely used in many new materials and devices, such as hydrogels, nanofibers and porous membranes. At the same time, because of the good stability and controllability of HMW-PAAm synthesis reaction, it can provide superior conditions for related research and application. For example, the application of HMW-PAAm can be used to prepare high-performance hydrogels, porous membranes, nanofiber dimensions and biomedical materials, etc., and has a wide range of application prospects in energy conservation and environmental protection, new energy, lightweight materials, medical diagnosis and other fields.
Conclusion The aim of this paper is to explore the effective method of HMW-PAAm synthesis, in order to find the effective process and optimal conditions, including experimental condition design, theoretical calculation and related research and application. The experimental results show that HMW-PAAm with high molecular weight, excellent stability and controllability can be obtained by reasonable condition control. Based on the technical support of theoretical calculation, the HMW-PAAm synthesis reaction can be accurately analyzed. In addition, HMW-PAAm can also be used to prepare a variety of new profiles and devices, and will have a wide range of application prospects in energy conservation and environmental protection, new energy, lightweight materials, medical diagnosis and other aspects.
Company Information
Our company's main export products include
(1) Petroleum Resin
Petroleum resin is a kind of thermoplastic resin produced from C5 and C9 fractions by-products of petroleum cracking through pre-treatment, polymerization, distillation, etc. It is not a high polymer but a low polymer with molecular weight between 300-3000. Petroleum resins are generally categorized as C5 aliphatic, C9 aromatic, DCPD and pure monomers such as poly SM, AMS and other four types of products.
(2)Super Absorbent Polymer
In the process of industrial production and people's life, some substances are often used to absorb and retain water, and we call such substances that can absorb and retain water absorbent materials. Super Absorbent Polymers not only have high water absorption capacity, but also high water retention capacity, it contains strong hydrophilic groups, insoluble in water, but can absorb dozens, hundreds or even thousands of times the weight of water polymer.
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Main Product:
Polyaluminum Chloride,
Polyacrylamide Product ,
Polymerized Ferrous Sulfate,
Super Absorbent Polymer,
Petroleum Resins,
Sodium Polyacrylate
