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Calcium metasilicate modified spray-coating polyurea terrace coating as well as preparation and application method thereof

A technology of calcium metasilicate and floor coatings, applied in polyurea/polyurethane coatings, coatings, etc., can solve the problems of micro-crack floor effects, increased repair and maintenance costs, excess hardness and insufficient toughness, etc., to achieve Non-toxic or low toxicity, excellent impact resistance, excellent comprehensive performance

Active Publication Date: 2013-07-24
BEIJING ORIENTAL YUHONG WATERPROOF ENG +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing solutions, such as traditional epoxy floor materials, have the following disadvantages: ① Too much hardness and insufficient toughness, it is easy to produce micro-cracks during use, which greatly reduces the effect of the floor, resulting in increased repair and maintenance costs; ② Difficult to Construction on the vertical surface or top surface; ③The system contains organic solvents, which are harmful to the human body and pollute the environment; ④Multi-channel construction must be used, with long construction period and low efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment l

[0046] Add 40 parts by weight of polyether diol with an equivalent of 1000 and 10 parts by weight of diluent DINP into a nitrogen-filled reactor, heat it to (105-115) °C, and vacuum at a constant temperature until the pressure inside the tank is above -0.095 MPa for dehydration 3 Hours, turn off the vacuum and cool down to (50-60)°C, add 50 parts by weight of MDI-MI, heat to (70-90)°C and react for 3 hours, cool down to (50-60)°C and discharge to become A component. Component B is composed of 10 parts by weight of T-5000, 30 parts by weight of D-2000, 22 parts by weight of DETDA, 8 parts by weight of DMTDA, 15 parts by weight of calcium metasilicate, 13 parts by weight of titanium dioxide and 2 parts by weight of silane coupling agent Stir and mix uniformly in the reaction kettle.

[0047] When in use, components A and B are sprayed by the H-XP3 main engine or E-XP2 main engine and Fusion MP spray gun of Graco Company of the United States at a ratio of 1:1 (volume ratio) to fo...

Embodiment 2

[0051] Add 50 parts by weight of polyether triols with an equivalent of 1000 into a nitrogen-filled reactor, heat up to (105-115) °C, vacuumize at a constant temperature until the pressure in the tank is above -0.095MPa and dehydrate for 3 hours, then turn off the vacuum and cool down to Add 50 parts by weight of MDI-100 at (50-60) °C, heat at (70-90) °C for 3 hours, cool down to (50-60) °C and discharge to become component A. Component B is composed of 30 parts by weight of D-2000, 18 parts by weight of T-5000, 20 parts by weight of DETDA, 10 parts by weight of calcium metasilicate, 10 parts by weight of organic bentonite and 2 parts by weight of titanate coupling agent Stir and mix uniformly in the reaction kettle.

[0052] When in use, components A and B are sprayed by the H-XP3 main engine or E-XP2 main engine and Fusion MP spray gun of Graco Company of the United States at a ratio of 1:1 (volume ratio) to form a polyurea elastomer. Suitable for basement parking lot floor...

Embodiment 3

[0056] Add 60 parts by weight of polyether diol with an equivalent of 1000 into a nitrogen-filled reactor, heat to (105-115)°C, vacuumize at a constant temperature until the pressure in the kettle is above -0.095MPa and dehydrate for 3 hours, then turn off the vacuum and cool down to Add 50 parts by weight of MDI-100 at (50-60)°C, heat to (70-90)°C and react for 3 hours, cool down to (50-60)°C and discharge to become component A. Component B is made of 40 parts by weight of D-2000, 16 parts by weight of T-5000, 10 parts by weight of DETDA, 12 parts by weight of DMTDA, 20 parts by weight of calcium metasilicate and 2 parts by weight of zirconate coupling agent. Stir in the kettle to mix evenly.

[0057] When in use, components A and B are sprayed by the H-XP3 main engine or E-XP2 main engine and Fusion MP spray gun of Graco Company of the United States at a ratio of 1:1 (volume ratio) to form a polyurea elastomer. It is suitable for the floor project of the steel structure of ...

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Abstract

The invention discloses a calcium metasilicate modified spray-coating polyurea terrace coating. The calcium metasilicate modified spray-coating polyurea terrace coating is a double-component coating which is molded by spray-coating on site; and the calcium metasilicate modified spray-coating polyurea terrace coating consists of a component A and a component B, wherein the component A comprises 40-60 parts by weight of polyisocyanates, 35-50 parts by weight of half-prepolymer obtained by reacting polyether polyol and 0-10 parts by weight of diluents; and the component B comprises 35-50 parts by weight of amine-terminated polyether, 20-30 parts by weight of liquid-state amine chain extenders, 10-20 parts by weight of calcium metasilicate, 2 parts by weight of wetting dispersants and 0-3 parts by auxiliaries. The calcium metasilicate modified spray-coating polyurea terrace coating is quickly mixed and sprayed to the surface of a basic level by virtue of spray-coating equipment, so that the coating with high adhesion and flexibility is formed by quick reaction and solidification. The coating has functions of extremely high adhesion, high abrasion resistance, high impact resistance, solvent resistance and the like.

Description

technical field [0001] The invention relates to a modified calcium metasilicate spraying polyurea floor paint, which belongs to the field of floor materials. Background technique [0002] With the development of science and technology, people have put forward higher requirements for the cleanliness and beauty of the modern living environment and modern industrial production sites. Ordinary cement floors are easy to break and dust; terrazzo floors are not resistant to strong mechanical impact; granite splicing floors have seams and are not resistant to corrosion and penetration of chemical media; Therefore, there is a need to develop floor materials with better protection and decoration properties to avoid the above-mentioned disadvantages. The newly developed floor material needs to meet these characteristics: it is formed on site, durable, dustproof, anti-corrosion, strong in decoration, easy to repair, etc., and can also choose the corresponding floor type according to th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/08C09D7/12C08G18/48
Inventor 刘子康王新锋
Owner BEIJING ORIENTAL YUHONG WATERPROOF ENG
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