Method for preparing alkyd resin using illegal cooking oil
A technology of alkyd resin and waste oil, which is applied in coatings, polyester coatings, etc., can solve the problems of rising paint raw materials, increasing the production cost of coatings, and difficult disposal of waste oil, and achieves excellent vividness, excellent corrosion resistance, The effect of excellent weather resistance
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[0024] Raw materials used in the following examples
[0025] Hogwash oil (removed and refined from gutter oil)
[0026] Rosin (422# Zhejiang Kaihua Jiepeng)
[0027] Glycerin (Hong Kong Three Invitations Yonglian Chemical)
[0028] Pentaerythritol (Zhengzhou Zhiyuan Chemical)
[0029] Neopentyl Glycol (Chuzhou Jinyuan Chemical Industry Co., Ltd., Anhui Province)
[0030] Accelerator (Lithium Hydroxide or Huangdan Reagent Store)
[0031] Terephthalic acid (PTA offcuts, Daqing, Heilongjiang)
[0032] Petroleum resin (C-9 Puzhou Ruike Chemical)
[0033] Mixed solvent (C9 aromatics, turpentine, coking xylene in a 1:1:1 mixture Sinopec)
[0034] Reflux solvent (Xylene Sinopec)
[0035] The proportioning of materials of each embodiment is as follows:
[0036] Table 1: Example proportioning, unit Kg
[0037]
[0038] The preparation method is:
[0039] 1. Put hog oil, rosin, glycerin, pentaerythritol, neopentyl glycol, and accelerators into the reaction kettle, ignite an...
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