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Polyurea court material, and preparation method and use method thereof

A ball court, polyurea technology, applied in the direction of polyurea/polyurethane coatings, coatings, buildings, etc., can solve the problems of lack of elasticity, insufficient field safety protection performance, discoloration, etc., and achieve the effect of good applicability

Active Publication Date: 2011-09-21
深圳市奥顺达体育有限公司
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Most of the court materials used in existing basketball courts or badminton courts are colored coatings represented by acrylic or polyurethane, but acrylic acid must be laid on an asphalt base surface, and the surface is prone to desanding, discoloration, and lacks sufficient elasticity, making the venue Insufficient safety protection performance; while polyurethane is exposed to sunlight, the surface is soft and sticky, lacks sports texture, and some even have a pungent smell

Method used

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  • Polyurea court material, and preparation method and use method thereof
  • Polyurea court material, and preparation method and use method thereof
  • Polyurea court material, and preparation method and use method thereof

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preparation example Construction

[0048] The preparation method of the above-mentioned court material comprises the processes of preparing material A and material B respectively:

[0049] The preparation of the A material is as follows: dehydrate the polyether polyol until the water content is less than 0.05%, cool down to 30°C-45°C; add isocyanate or isocyanate and defoamer, stir slowly to heat up to 80°C-90°C, and keep warm for 1 ~3 hours; check the NCO% content, if the NCO% content is less than 9%, add isocyanate until the NCO% content is ≥9%;

[0050] The preparation of the B material is as follows: add polyether polyol, dibutyl ester, high boiling point solvent, talcum powder, water and dispersant into the mixer according to the proportion, stir for 30-40 minutes; grind it into a uniform powder by colloid mill .

[0051] Among them, the above-mentioned raw material polyether polyol has a molecular weight of 2000-3000; the isocyanate is selected from MDI-50; the high boiling point solvent is selected from...

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Abstract

The invention discloses a polyurea court material, which is composed of a material A and a material B at in a weight ratio of (0.5-1.5):(2.0-3.0), wherein the material A is composed of polyether polyol and isocyanate at a weight ratio of (7-9):(11-13); and the material B is composed of the following components in percentage by total weight of the material B: 20-30% of polyether polyol, 15-20% of dibutyl ester, 20-15% of a high-boiling-point solvent, 35-40% of talcum powder, 2-4% of water and 1-2% of a dispersant. The invention also discloses a preparation method and a use method of the polyurea court material. The court material provided by the invention meets the court standard requirement of the national basketball federation, also meets the environmental protection requirement of indoor decorating and finishing materials, and does not contain volatile odor and harmful substances.

Description

technical field [0001] The invention relates to the technical field of sports grounds, in particular to a polyurea court material, a preparation method and a use method thereof. Background technique [0002] With the acceleration of the pace of urban life, people gradually realize the importance of improving their physical fitness, strengthen physical exercise, and begin to pay attention to the requirements for sports venues. The court generally needs to have the characteristics of stable uniform elasticity, cushioning and shock absorption, and anti-skid. [0003] Most of the court materials used in existing basketball courts or badminton courts are colored coatings represented by acrylic or polyurethane, but acrylic acid must be laid on an asphalt base surface, and the surface is prone to desanding, discoloration, and lacks sufficient elasticity, making the venue The safety protection performance is insufficient; while polyurethane is exposed to sunlight, the surface becom...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/02C09D7/12C08G18/48E01C13/06B05D7/24
Inventor 罗植春
Owner 深圳市奥顺达体育有限公司
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