Ultraviolet curing wood coating with formaldehyde removing function and preparation method and application thereof
A formaldehyde removal and wood coating technology, applied in the direction of polyester coatings, coatings, etc., can solve the problems of no research and development, and achieve the effects of short time, high transparency, safe and environmentally friendly raw materials
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Embodiment 1
[0017] The preparation method of the ultraviolet curing wood coating with formaldehyde removal function, the preparation method comprises the following steps:
[0018] Step 1. Mix maleic anhydride, phthalic anhydride, diethylene glycol and 2,3-diphosphoglyceric acid and react at 175°C for 7 hours to obtain mixture A, in which maleic anhydride, phthalic anhydride, diethylene glycol and 2,3-diphosphoglycerate The molar ratio of acid is 1:1:1.2:1.2;
[0019] Step 2. Add tert-butyl alcohol and tert-butyl acetoacetate to the prepared mixture A, stir evenly at room temperature to obtain the UV-curable wood coating with formaldehyde removal function, wherein tert-butyl alcohol and tert-butyl acetoacetate are mixed with cis The molar ratio of anhydrides is 1:1:1.
[0020] The ultraviolet curing wood coating with formaldehyde scavenging function prepared by the above method.
[0021] The application of the above-mentioned coatings in the preparation of wooden furniture coating films....
Embodiment 2
[0023] The preparation method of the ultraviolet curing wood coating with formaldehyde removal function, the preparation method comprises the following steps:
[0024] Step 1. Mix maleic anhydride, phthalic anhydride, diethylene glycol and 2,3-diphosphoglyceric acid and react at 200°C for 8 hours to obtain mixture A, wherein maleic anhydride, phthalic anhydride, diethylene glycol and 2,3-diphosphoglycerate The molar ratio of acid is 1:1:1.2:1.2;
[0025] Step 2. Add tert-butyl alcohol and tert-butyl acetoacetate to the prepared mixture A, and stir evenly at room temperature to obtain the UV-curable wood coating with formaldehyde removal function, wherein tert-butyl alcohol and tert-butyl acetoacetate are mixed with The molar ratio of maleic anhydride is 1:1:1.
[0026] The ultraviolet curing wood coating with formaldehyde scavenging function prepared by the above method.
[0027] The application of the above-mentioned coatings in the preparation of wooden furniture coating f...
Embodiment 3
[0029] The preparation method of the ultraviolet curing wood coating with formaldehyde removal function, the preparation method comprises the following steps:
[0030] Step 1. Mix maleic anhydride, phthalic anhydride, diethylene glycol and 2,3-diphosphoglyceric acid and react at 180°C for 8 hours to obtain mixture A, wherein maleic anhydride, phthalic anhydride, diethylene glycol and 2,3-diphosphoglycerate The molar ratio of acid is 1:1:1.2:1.2;
[0031] Step 2. Add tert-butyl alcohol and tert-butyl acetoacetate to the prepared mixture A, stir evenly at room temperature to obtain the UV-curable wood coating with formaldehyde removal function, wherein tert-butyl alcohol and tert-butyl acetoacetate are mixed with cis The molar ratio of anhydrides is 1:1:1.
[0032] The ultraviolet curing wood coating with formaldehyde scavenging function prepared by the above method.
[0033] The application of the above-mentioned coatings in the preparation of wooden furniture coating films. ...
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