Wear-resistant coating and polyurethane wear-resistant adhesive tape for automobiles based on it
A technology of wear-resistant coatings and tapes, applied in the direction of polyester coatings, coatings, adhesives, etc., can solve single problems, achieve the effects of improved uniformity, good wear resistance, and simple and fast methods
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Embodiment 1
[0036] A kind of wear-resisting coating, is made up of the component of following weight ratio:
[0037] TPEE 10g, short oil alkyd resin 10g, PBT resin 1.5g, ceramic powder 15g, tungsten nano powder (particle size 20-30nm) 1.5g, dispersant 3g, leveling agent 1.5g, defoamer 1.5g , Organic solvent 40g.
[0038] Among them, the Shore D hardness of TPEE is 42HD, the fatty acid content of short oil alkyd resin is 30%, the melt index of PBT resin is 33g / 10min under the condition of 250℃×2.16kg, and the mass ratio of ceramic powder is 2 :1 TiC (particle size 20-30nm) and TiO 2 (particle size 500-550nm) composition. The organic solvent is toluene, 1,4-dioxane and isopropanol, in order, and the volume ratio of the three is 1:2:2.
Embodiment 2
[0040] A kind of wear-resisting coating, is made up of the component of following weight ratio:
[0041] TPEE 15g, short oil alkyd resin 15g, PBT resin 3.5g, ceramic powder 25g, tungsten nano powder (particle size 40-50nm) 3g, dispersant 3g, leveling agent 3g, defoamer 5g, organic solvent 50g.
[0042] Among them, the Shore D hardness of TPEE is 45HD, the fatty acid content of short oil alkyd resin is 30%, the melt index of PBT resin is 40g / 10min under the condition of 250℃×2.16kg, and the mass ratio of ceramic powder is 2 :1 TiC (particle size 40-60nm) and TiO 2(particle size 600-650nm) composition. The organic solvent is toluene, 1,4-dioxane and isopropanol, in order, and the volume ratio of the three is 1:2:2.
Embodiment 3
[0044] A kind of wear-resisting coating, is made up of the component of following weight ratio:
[0045] TPEE 18g, short oil alkyd resin 18g, PBT resin 5g, ceramic powder 35g, tungsten nano powder (particle size 30-40nm) 5g, dispersant 4g, leveling agent 3g, defoamer 5g, antifreeze 1g , Organic solvent 60g.
[0046] Among them, the Shore D hardness of TPEE is 55HD, the fatty acid content of short oil alkyd resin is 40%, the melt index of PBT resin is 36g / 10min under the condition of 250℃×2.16kg, and the mass ratio of ceramic powder is 2 :1 TiC (particle size 40-50nm) and TiO 2 (particle size 800-850nm) composition. The organic solvent is toluene, 1,4-dioxane and isopropanol, in order, and the volume ratio of the three is 1:2:2.
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