A kind of water-based two-component airbag cover elastic handle coating and its preparation method and the formed coating
A water-based two-component, airbag technology, applied in the field of coatings, can solve the problems of harmfulness, pollution of the environment, human health, poor touch of the coating, etc., and achieve the effects of good hand feeling, cost and process saving, and low VOC
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Embodiment 1
[0042] A water-based two-component airbag cover decoration elastic feel paint, including the raw materials shown in the weight percentage of embodiment 1 in table 1:
[0043] Table 1
[0044]
[0045]
[0046] The preparation method of described water-based two-component airbag cover decoration elastic handle coating comprises the following steps:
[0047] (1) the aliphatic hydroxyl functional polyester polyurethane dispersion of formula quantity U XP 2698, Aliphatic Anionic Polyurethane Dispersion Mix UH 340 / 1, stir at a low speed of 500-700 rpm, add silicone defoamer BYK-093, polyether modified siloxane wetting and leveling agent BYK-348, ultra-high molecular weight poly A silicone dispersion hand feel agent DC-51, 70% deionized water in the formula, acetylene glycol molecular grade defoamer MD-20, wetting and dispersing agent DISPERBYK-192, stirred for 10 minutes;
[0048] (2) Under low-speed stirring at 300-500 rpm, continue to add formula amounts of 1.5 μm surf...
Embodiment 2
[0053] A water-based two-component airbag cover decoration elastic feel paint, including the weight of the raw materials shown in Example 2 in Table 1, its preparation method is the same as Example 1.
[0054] Mix and stir the water-based two-component elastic handle paint for airbag cover decoration prepared in this example with curing agent and deionized water according to the weight ratio of 100:7:7, and spray it directly on TPS-SEBS or TPS-SBS On the substrate of the airbag cover trim made of +PP, after baking at 80°C for 50-60 minutes, a coating is formed on the surface of the airbag cover trim substrate, and the properties of the obtained coating are shown in Table 2. The curing agent consists of 80 parts of hydrophilic modified aliphatic polyisocyanate 304 and 20 parts of PGDA are mixed and stirred evenly.
Embodiment 3
[0056] A water-based two-component airbag cover decoration elastic handle coating, including the weight of the raw material shown in Example 3 in Table 1, its preparation method is the same as Example 1.
[0057] Mix and stir the water-based two-component elastic handle paint for airbag cover decoration prepared in this example with curing agent and deionized water according to the weight ratio of 100:7:7, and spray it directly on TPS-SEBS or TPS-SBS On the substrate of the airbag cover trim made of +PP, after baking at 80°C for 50-60 minutes, a coating is formed on the surface of the airbag cover trim substrate, and the properties of the obtained coating are shown in Table 2. The curing agent consists of 80 parts of hydrophilic modified aliphatic polyisocyanate 304 and 20 parts of PGDA are mixed and stirred evenly.
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