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Hydroxypropyl Methyl Cellulose (HPMC) is a widely used cellulose ether in the construction industry. It plays a vital role in improving workability, water retention, and consistency of cement-based and gypsum-based materials. As a key HPMC for construction, it is commonly applied in tile adhesive, dry mix mortar, wall putty, plastering mortar, and self-leveling systems.

Cellulose is a compound widely used in the chemical and pharmaceutical industries.

In recent years, with the continuous development of external insulation technology, hydroxypropyl methyl cellulose production technology progress, as well as hydroxypropyl methyl cellulose HPMC itself has excellent characteristics, hydroxypropyl methyl cellulose HPMC in the construction industry has been widely used. In order to investigate the interaction mechanism between HPMC and cement-based materials, this paper focuses on the improvement effect of HPMC on the cohesion of cement-based materials.