Process method for chopped fiber reinforced aerated concrete
A technology of aerated concrete and chopped fibers, which is applied in the field of lightweight thermal insulation building materials, can solve the problems that the fibers are not suitable for the alkalinity, high temperature and high pressure requirements of aerated concrete, and poor fiber dispersion.
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Embodiment 1
[0036] Weigh 8.08 grams of chopped basalt fibers with a diameter of 9 μm and a length of 3 mm. Coating polypropylene resin and kaolin on the surface of chopped basalt fiber in turn. The autoclaved aerated concrete slurry was prepared by weighing the same autoclaved aerated concrete raw material as in Comparative Example 1. Add uncured chopped basalt fiber into the slurry, then add 8 grams of dispersant (sodium lauryl sulfate), stir evenly and then pour into shape, after 4 hours of pre-curing, then autoclave curing to obtain autoclaved Aerated Concrete. The same physical and mechanical properties as in Comparative Example 1 were tested.
Embodiment 2
[0038] Weigh 8.08 grams of chopped basalt fibers with a diameter of 9 μm and a length of 6 mm. The raw material weight, preparation method and process are the same as in Example 1 to prepare autoclaved aerated concrete. The same physical and mechanical properties as in Comparative Example 1 were tested.
Embodiment 3
[0040] Weigh 8.08 grams of chopped basalt fibers with a diameter of 9 μm and a length of 12 mm. The raw material weight, preparation method and process are the same as in Example 1 to prepare autoclaved aerated concrete. The same physical and mechanical properties as in Comparative Example 1 were tested.
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