A wear-resistant plastic runway and its construction method
A plastic track, wear-resistant technology, used in roads, roads, pavements, etc., can solve the problems of poor wear resistance of plastic track, and achieve the effect of prolonging service life, good UV resistance and aging resistance, and excellent wear resistance.
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[0029] Preparation of polyurethane adhesive: mix 42 parts by weight of N210, 12 parts by weight of 330N and 12 parts by weight of epoxy fatty acid methyl ester, and control to vacuumize at 120 ° C, dehydrate for 2 hours, cool down to 70 ° C, add 20 parts by weight of two Phenylmethane diisocyanate was then heated to 80°C, reacted for 2 hours, added 0.03 part by weight of stannous octoate, continued to react for 0.5h, cooled to 40°C, added 0.02 part by weight of antioxidant 1076, and cooled to obtain a polyurethane adhesive.
[0030] Preparation of modified graphene: add 25 parts by weight of graphene oxide and 5 parts by weight of dimethylol acetone into 50 parts by weight of water, heat to 70° C., stir and react for 1 h, then add 3 parts by weight of ferric nitrate, and continue to ultrasonically stir for 0.5 After h, the pH was adjusted to 9, and finally modified graphene was obtained by filtering and drying.
Embodiment 1
[0032] Embodiment 1 provides a construction method of wear-resistant plastic track, comprising the following steps:
[0033] Lay cement or asphalt on the ground to form a base layer.
[0034] Lay water-based epoxy resin on the base layer to form a waterproof bonding layer.
[0035] A mixture of polyurethane adhesive and EPDM particles in a mass ratio of 1:7 is laid on the waterproof adhesive layer to form an elastic layer.
[0036] A mixture of polyurethane adhesive, EPDM particles, modified graphene and fillers in a mass ratio of 1:0.8:0.005:0.008 is laid on the elastic layer to form a surface layer.
[0037] In the wear-resistant plastic track obtained in Example 1, the thickness of the base layer is 3 cm, the thickness of the waterproof adhesive layer is 0.3 mm, the thickness of the elastic layer is 10 mm, and the thickness of the surface layer is 2 mm.
Embodiment 2
[0039] Embodiment 2 provides a construction method of wear-resistant plastic track, comprising the following steps:
[0040] Lay cement or asphalt on the ground to form a base layer.
[0041] Lay water-based epoxy resin on the base layer to form a waterproof bonding layer.
[0042] A mixture of polyurethane adhesive and EPDM particles in a mass ratio of 1:6 is laid on the waterproof adhesive layer to form an elastic layer.
[0043] A mixture of polyurethane adhesive, EPDM particles, modified graphene and fillers in a mass ratio of 1:0.7:0.01:0.005 is laid on the elastic layer to form a surface layer.
[0044]In the wear-resistant plastic track obtained in Example 1, the thickness of the base layer is 3 cm, the thickness of the waterproof adhesive layer is 0.3 mm, the thickness of the elastic layer is 10 mm, and the thickness of the surface layer is 3 mm.
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Abstract
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