Putty powder for internal walls
A technology of interior wall putty powder and cross-linked starch, which is applied in the field of interior wall putty powder, can solve the problems of construction personnel's physical injury, easy cracking, and strong odor, and achieve the effects of convenient construction, crack prevention, and strong versatility
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Embodiment 1
[0018] An interior wall putty powder is prepared in parts by weight from the following raw materials: 30 parts of white cement, 25 parts of diatomaceous earth, 15 parts of heavy calcium, 10 parts of adhesive and 3 parts of additives.
[0019] The adhesive is a mixture of cross-linked starch, styrene-acrylic emulsion and polyurethane. In parts by weight, the cross-linked starch is 3.5 parts, the styrene-acrylic emulsion is 4.5 parts, and the polyurethane is 2 parts.
[0020] The additive is a mixture of antifungal agent, dispersant and defoamer, in parts by weight, 1 part of antifungal agent, 1.8 parts of dispersant, and 0.2 part of defoamer.
Embodiment 2
[0022] An interior wall putty powder is made of the following raw materials in parts by weight: 40 parts of white cement, 38 parts of diatomaceous earth, 21 parts of heavy calcium, 17 parts of adhesive and 5 parts of additives.
[0023] The adhesive is a mixture of cross-linked starch, styrene-acrylic emulsion and polyurethane. In parts by weight, the cross-linked starch is 5.5 parts, the styrene-acrylic emulsion is 6.5 parts, and the polyurethane is 5 parts.
[0024] The additive is a mixture of antifungal agent, dispersant and defoamer, in parts by weight, 1.5 parts of antifungal agent, 2.5 parts of dispersant and 1 part of defoamer.
Embodiment 3
[0026] An interior wall putty powder is prepared in parts by weight from the following raw materials: 36 parts of white cement, 33 parts of diatomaceous earth, 19 parts of heavy calcium, 14 parts of adhesive and 4 parts of additives.
[0027] The adhesive is a mixture of cross-linked starch, styrene-acrylic emulsion and polyurethane. In parts by weight, the cross-linked starch is 5 parts, the styrene-acrylic emulsion is 6 parts, and the polyurethane is 3 parts.
[0028] The additive is a mixture of antifungal agent, dispersant and defoamer, in parts by weight, 1.2 parts of antifungal agent, 2 parts of dispersant and 0.8 part of defoamer.
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