Weatherable water-permeable binder
A technology of weather resistance and adhesives, which is applied in the direction of adhesives, adhesive types, polyurea/polyurethane adhesives, etc., can solve the problems of poor weather resistance and water permeability of adhesives, and achieve good weather resistance, Promotes full utilization and good water permeability
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example 1
[0027] Get hydrogenated bisphenol A type epoxy resin 4.6g, light stabilizer UV-320: 0.0046g and antioxidant 1010: 0.0046g; Aliphatic polyamine curing agent 0.23g, chlorine-containing epoxy resin 0.5g and flame retardant 0.05g is made into binder.
[0028] Take 100g of blue-colored 0.4-0.2mm mesh quartz sand, and then take 0.12g of glycidoxypropyl trimethoxysilane as coupling agent, mix them and mold them into permeable bricks, which have good flame retardancy and durability Excellent performance, test its performance index and the comparison of ordinary permeable bricks:
[0029]
example 2
[0031] Get hydroxyl-containing acrylic resin 600g and 75% HDI biuret 200g, light stabilizer UV-3260.8g and antioxidant 1010 0.9g, curing reaction catalyst 0.5% lead naphthenate solution 0.5g, dilaurate dilaurate Butyl tin 0.9g; made into binder.
[0032] Take 10Kg of 0.07-0.2mm mesh quartz sand dyed green, 550:3g of silane coupling agent, add the above-mentioned binder, mix and form a permeable brick through a mold, and measure its performance as follows:
[0033]
example 3
[0035] Take 600g of 650 polyester solution with 70% binder and 560g of biuret solution with 75% HDI, add silane coupling agent 550: 5g, light stabilizer UV-327: 0.6g; antioxidant 1222: 0.9 g, zinc naphthenate 1.8g; trimethylolpropane 20g; methyl ethyl ketone 15g; mixed to make a binder
[0036] Take 10Kg of 0.2-0.4mm quartz sand dyed black, and add the above-mentioned binder to make a permeable brick.
[0037]
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