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Polycarboxylate Superplasticizer Powder adopts a new synthetic preparation process. The water reduction rate of polycarboxylate polymer powder is as high as more than 40%. It can be used in mortars of various cement gelling formula systems and gypsum gelling formula systems. Polycarboxylate ether superplasticizer can give mortar products excellent The working performance and flow performance can significantly improve the quality of cement-based materials and gypsum-based materials.
In order to improve the brittleness, high elastic modulus and other weaknesses of traditional cement mortar in mortar, it is usually necessary to add additives such as VAE Re-dispersible Polymer Powder. VAE copolymer rdp can give cement mortar better flexibility and resistance. Tensile bonding strength to resist and delay the occurrence of cracks in cement mortar. Since the polymer and mortar form an interpenetrating network structure, a continuous polymer film is formed in the pores, which strengthens the bonding between aggregates and blocks the mortar. There are some pores inside, so the performance of the hardened modified mortar is greatly improved compared to that of cement mortar.
1. The visual state of pure HPMC is fluffy and the bulk density is small, ranging from 0.3-0.4g/ml; the adulterated HPMC has better fluidity and heavier hand feel, which is obviously different from the original appearance.
In ready-mixed mortar, the addition amount of HPMC is very low, but it can significantly improve the performance of wet mortar and is a major additive that affects the construction performance of mortar. Reasonable selection of cellulose ethers of different varieties, different viscosities, different particle sizes, different viscosity degrees and added amounts will have a positive impact on improving the performance of dry mortar.
VAE Re-dispersible Polymer Powder is dispersed in the gypsum slurry and then forms a film, filling the pores of the slurry and intersecting with the gypsum hydration products to form a three-dimensional network structure, making the gypsum structure more dense.
The compatibility between polycarboxylate polymer powder and cement is not good, and the concrete mixture is prone to problems such as segregation, bleeding, increased slump loss, and shortened setting time. This makes the concrete mixture unable to be transported and poured normally, reducing the strength of the concrete. and durability.
VAE Re-dispersible Polymer Powder is a water-soluble re-dispersible powder, a copolymer of ethylene and vinyl acetate, with polyvinyl alcohol as a protective colloid.
Interior wall putty powder generally has a viscosity of 100,000. Cement mortar has higher requirements for adjustment, and a viscosity of 150,000 is easy to use. In addition, the most critical function of HPMC is to lock in water, followed by thickening.
Hydroxypropyl Methyl Cellulose (hereinafter referred to as HPMC) can be divided into instant type and slow-soluble type. Instant hydroxypropyl methylcellulose HPMC refers to the surface treatment using cross-linking agent during the production process, so that HPMC can be dissolved in cold water.
VAE Re permeable Polymer Powder as a powder adhesive, is widely used in the construction industry. The quality of dispersible latex powder is directly related to the quality and progress of construction. With the rapid development of the domestic building energy-saving market With the development of VAE Re-dispersible Polymer Powder, more and more companies are involved in the research and development and production of VAE Re-dispersible Polymer Powder products, and users have more and more choices.
On October 31, the 26th Russian International Chemical Exhibition (KHIMIA 2023) successfully opened at the Expo Center Exhibition Hall in Moscow, Russia. As one of the most prestigious chemicals trade shows, this exhibition attracted the participation of many manufacturers in the industry . At the same time, this is also the first appearance of EAST CHEM at the Russian International Chemical Exhibition.
VAE Re-dispersible Polymer Powder should not be put in at one time, but should be weighed in batches to find the right amount.