Sound insulation coating for building floor and preparation method thereof
A floor and sound insulation technology, which is applied in the field of sound insulation coatings for building floors and its preparation, can solve problems such as lack of water resistance, achieve good heat preservation and fire resistance, good sound insulation and shock absorption, and prevent the spread of fire
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Embodiment 1
[0049] The building floor slab of the present embodiment uses the sound insulation coating, by weight percentage, comprises the following components:
[0050] Acrylic emulsion 10%, floating beads 6%, stone-free mineral wool 42%, mica powder 5%, nitrile rubber powder 3.5%, water 32.5%, defoamer 0.20%, preservative 0.20%, hydroxyethyl cellulose 0.2 %, ferric oxide 0.4%.
[0051] Wherein, the acrylic emulsion is a composite emulsion of acrylic elastic emulsion and acrylic styrene-acrylic emulsion in a mass ratio of 13:7.
[0052] The bulk density of the floating beads is 550kg / m 3 , the particle size is 100 mesh. Stone-free mineral wool refers to mineral wool with a heavy metal content of less than 5mg / kg, a fiber diameter of no more than 9μm, a slag ball content of no more than 10wt%, and a bulk density of 70kg / m 3 . The particle size of mica powder is 180 mesh.
[0053] The dry density of the building floor slab of the present embodiment is 514kg / m 3 .
[0054] Prepare t...
Embodiment 2
[0062] The building floor slab of the present embodiment uses the sound insulation coating, by weight percentage, comprises the following components:
[0063] Acrylic emulsion 8%, floating beads 7%, stone-free mineral wool 45%, mica powder 4%, nitrile rubber powder 1%, water 34%, defoamer 0.25%, preservative 0.15%, hydroxyethyl cellulose 0.2 %, ferric oxide 0.4%.
[0064] Wherein, the acrylic emulsion is a composite emulsion of acrylic elastic emulsion and acrylic styrene-acrylic emulsion in a mass ratio of 11:9.
[0065] The bulk density of the floating beads is 550kg / m 3 , the particle size is 100 mesh. The stone-free mineral wool is mineral wool with a heavy metal content of less than 5 mg / kg, a fiber diameter of no more than 9 μm, a slag ball content of no more than 10 wt%, and a bulk density of 80 kg / m 3 . The particle size of the mica powder is 200 mesh.
[0066] The dry density of the building floor slab of the present embodiment is 526kg / m 3 .
[0067] Prepare t...
Embodiment 3
[0075] The building floor slab of the present embodiment uses the sound insulation coating, by weight percentage, comprises the following components:
[0076] Acrylic emulsion 12%, floating beads 5%, stone-free mineral wool 38%, mica powder 4%, nitrile rubber powder 5%, water 35%, defoamer 0.22%, preservative 0.18%, hydroxyethyl cellulose 0.2 %, ferric oxide 0.4%.
[0077] Wherein, the acrylic emulsion is a composite emulsion of acrylic elastic emulsion and acrylic styrene-acrylic emulsion in a mass ratio of 15:8.
[0078] The bulk density of the floating beads is 600kg / m 3 , the particle size is 100 mesh. The stone-free mineral wool is mineral wool with a heavy metal content of less than 5 mg / kg, a fiber diameter of no more than 9 μm, a slag ball content of no more than 10 wt%, and a bulk density of 100 kg / m 3 . The particle size of the mica powder is 150 mesh.
[0079] The dry density of the building floor slab of the present embodiment is 507kg / m 3 .
[0080] Prepare...
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