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Method of preparing a gypsum-based product
A method of preparing a gypsum-based product comprises the steps of mixing calcined gypsum with polymer particles and water to provide a slurry. The polymer particles comprise principally polyvinyl acetate, and have a particle size distribution, measured using laser diffractometry, such that particles having a diameter of 4.5 μm or less provide at least 90% of the total particle volume.
Method of preparing a gypsum-based product
A method of preparing a gypsum-based product comprises the steps of mixing calcined gypsum with polymer particles and water to provide a slurry. The polymer particles comprise principally polyvinyl acetate, and have a particle size distribution, measured using laser diffractometry, such that particles having a diameter of 4.5 μm or less provide at least 90% of the total particle volume.
Method of preparing a gypsum-based product
KIRSTY WALTON (author) / LAURA BROOKS (author) / NICHOLAS JONES (author) / DAVID CUTLER (author) / NICOLA JUPP (author)
2021-04-14
Patent
Electronic Resource
English