Hot melting reflective type road reticule coating
A road marking and reflective technology, used in reflective/signal coatings, anti-corrosion coatings, polyester coatings, etc., can solve problems such as cumbersome construction, and achieve the effects of short drying time, good reflectivity, and enhanced bonding strength
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[0030] Example 1
[0031] Preparation of modified rosin-alkyd resin: Add 1.5Kg of maleic anhydride to 10Kg of rosin under a nitrogen atmosphere and a temperature of 150℃, increase the temperature to 200℃ for 1.5 hours, add 1.9Kg of glycerin, and then increase the temperature to 275 The reaction was kept at ℃ for 7 hours to remove the small molecule compounds to obtain modified rosin resin; 22.5Kg of diphenylglycol acetate and 7Kg of glycerol were transesterified to obtain monoglyceride, and 43Kg of monoglyceride and phthalic anhydride The polyesterification reaction takes place for 0.75 hours under the condition of temperature of 222℃ and the presence of lithium hydroxide to obtain alkyd resin oligomer; the weight ratio of modified rosin resin and alkyd resin oligomer is 4:1.1-1.3 at temperature It was reacted for 1.5 hours at 200°C to obtain modified rosin-alkyd resin.
[0032] Preparation of hot-melt reflective road marking paint: modified rosin-alkyd resin 20Kg, EVA resin 10Kg,...
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[0033] Example 2
[0034] Preparation of modified rosin-alkyd resin: Add 1.6Kg of maleic anhydride to 10Kg of rosin in a nitrogen atmosphere and a temperature of 155℃, increase the temperature to 203℃ and keep the reaction for 1.25 hours, add 2.0Kg of glycerin, and then increase the temperature to 270 The reaction was kept at ℃ for 8 hours to remove the small molecule compounds to obtain modified rosin resin; 23Kg of diphenylglycol acetate and 6Kg of glycerol were transesterified to obtain monoglyceride, and 42Kg of monoglyceride and phthalic anhydride at temperature The polyesterification reaction takes place at 220°C and the presence of lithium hydroxide for 1 hour to obtain alkyd resin oligomer; the weight ratio of modified rosin resin and alkyd resin oligomer is 4:1.1-1.3 at a temperature of React at 205°C for 1.25 hours to obtain modified rosin-alkyd resin.
[0035] Preparation of hot-melt reflective road marking paint: modified rosin-alkyd resin 22.5Kg, EVA resin 7.5Kg, fill...
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[0036] Example 3
[0037] Preparation of modified rosin-alkyd resin: Add 1.7Kg of maleic anhydride to 10Kg of rosin in a nitrogen atmosphere and a temperature of 153°C, increase the temperature to 205°C for 1 hour, add 1.8Kg of glycerin, and then increase the temperature to 272 Incubate at ℃ for 7.5 hours to remove small molecular compounds to obtain modified rosin resin; 22Kg of diphenylglycol acetate and 6.5Kg of glycerin are transesterified to obtain monoglyceride, monoglyceride and phthalic anhydride 44Kg The temperature is 225℃ and the polyesterification reaction occurs for 0.5 hours in the presence of lithium hydroxide to obtain alkyd resin oligomer; the weight ratio of modified rosin resin and alkyd resin oligomer is 4:1.1-1.3 at temperature React for 1 hour at 210°C to obtain modified rosin-alkyd resin.
[0038] Preparation of hot-melt reflective road marking paint: modified rosin-alkyd resin 25Kg, EVA resin 5Kg, filler 120Kg (heavy calcium carbonate 65Kg, quartz sand 30Kg...
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