Preparation method for colorful polyurethane plastic and construction process for colorful polyurethane plastic track
A kind of colorful and construction technology, applied in polyurea/polyurethane coatings, roads, roads, etc., can solve the problems of weather resistance, poor color retention, single color of plastic runway, affecting construction time, etc., and achieve good development. Good color strength, good coverage, and improved athletic performance
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Embodiment 1-4
[0038] Example 1-4: Formula (Unit: Kg)
[0039]
Example 1
Example 2
Example 3
Example 4
Polyether polyol
5
10
10
10
Acrylic
10
15
20
20
Paraffin
20
15
15
25
0.05
0.05
0.05
0.05
Filler
45
35
55
40
Paint
3
4
3
2
Chain extender
3
5
3
4
0.05
0.05
0.05
0.05
[0040] Among them, the polyether polyol is a mixture of a polyether polyol with a molecular weight of 3000 and a functionality of three and a polyether polyol with a molecular weight of 5000 and a functionality of three in any ratio.
[0041] The antioxidant used in the examples is antioxidant 1010, which is pentaerythritol; benzophenone is used as the ultraviolet absorber of the system.
[0042] The chain extenders are diamines, and 3,3'-dichloro-4,4'-diphenylmethanediamine (MOCA) is used in the examples.
Embodiment 5
[0043] Embodiment 5: The best embodiment
[0044] A method for preparing colorful polyurethane plastic includes the following steps:
[0045] (1) Mix 10 parts of polyether polyol, 25 parts of acrylic resin, 10 parts of paraffin, 5 parts of chain extender, and 0.05 parts of anti-aging agent, stir evenly, and heat up to 90-100°C;
[0046] (2) Add 43 parts of fillers, 6.9 parts of pigments, and 0.05 parts of anti-aging agent and mix well;
[0047] (3) Turn on the colloid mill to grind the above materials, the fineness is below 400 mesh;
[0048] (4) Continue to heat up to 90-100°C, vacuum degree below 0.095Mpa, dehydration for 2-3 hours to obtain this material.
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