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Novel foam cement additive
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A technology of foaming cement and additives, which is applied in the field of building materials, can solve the problems of reducing water absorption, and achieve the effects of reducing water absorption, uniform foam size, and short demoulding time
Inactive Publication Date: 2016-11-23
ZHUODA NEW MATERIALS TECH GRP WEIHAI CO LTD
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[0005] Aiming at the deficiencies of the prior art, the present invention provides a new type of foaming cement additive, which can reduce the size of the bubbles and the problem of uneven foaming, make the foam fine, and can improve the strength and reduce the water absorption rate.
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[0022] A novel foaming cement additive, it is made of triethanolamine, sodium hydroxide, oleic acid, silicone oil, sodium stearate and cellulose ether; Described triethanolamine, sodium hydroxide, oleic acid, silicone oil, stearin The parts by weight of sodium nitrate and cellulose ether are respectively 1 part, 3 parts, 0.5 part, 1 part, 5 parts and 5 parts; the cellulose ether is hydroxypropyl methylcellulose.
[0023] In the method of using the novel foamed cement additive, the mass ratio of the foamed cement to the foamed cement is 1:100.
[0026] A novel foaming cement additive, it is made of triethanolamine, sodium hydroxide, oleic acid, silicone oil, sodium stearate and cellulose ether; Described triethanolamine, sodium hydroxide, oleic acid, silicone oil, stearin The parts by weight of sodium nitrate and cellulose ether are respectively 0.08 part, 2 parts, 0.025 part, 0.05 part, 0.8 part and 3 parts; the cellulose ether is hydroxypropyl methylcellulose.
[0027] In the method of using the novel foamed cement additive, the mass ratio of the foamed cement to the foamed cement is 0.08:100.
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Abstract
The invention belongs to the technical field of building materials and particularly relates to a novel foam cement additive. The novel foam cement additive is characterized by being prepared from, by weight, 0.05-1 part of triethanolamine, 1-3 parts of sodiumhydroxide, 0.025-0.5 part of oleic acid, 0.025-1 part of silicone oil, 0.5-5 parts of sodiumstearate and 1-5 parts of celluloseether. The novel foam cement additive has advantages that quickness in foam cement solidification and uniformity in foam size are realized, water absorption rate can be decreased, and later-stage strength loss is low; short foam cement demoulding time and less proneness to mould collapse are realized; water absorption rate of foam cement can be decreased, and low later-stage strength loss is realized.
Description
technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a novel foamed cement additive. Background technique [0002] Foamed cement board is a non-combustible material, non-toxic, environmentally friendly, and low-carbon. It is a new type of material vigorously advocated by the country, and its fire resistance performance reaches A1 level. This product has high compressive strength (compared to plastic foam), low thermal conductivity, firm bonding with concrete, consistent expansion coefficient, and consistent service life with buildings; it is mainly used for roof insulation boards, interior and exterior wall insulation boards, and bonding mortar It can be bonded directly with cement mortar and used as the coating surface of the external wall insulation board. It can be directly used as a protective layer with waterproof and anti-crackingmortar and glass fiber mesh cloth. When pasting tiles, you can hang stee...
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Application Information
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