Inventors (designers): Huang Peiwei; Ge Shaqi; Ge Lan; Huang Anying;
Applicant (patent right): Yangpu Jiujutai Timber Technology Co., Ltd.;
Patent Type: Invention
Patent application date: 2014.10.16
Public (announcement) date:
Patent No.: 201410548513
Publication (announcement) number:
Classification number: C09D161/32(2006.01)I
The invention discloses a preparation method of wood coating paint. Add 1000kg of formaldehyde into a reaction kettle, add acid to adjust the pH to 1-3, raise the temperature to 35-40°C, add 10-100kg of polyvinyl alcohol, and keep warm for 20- For 40 minutes, add 20-50kg of starch, keep warm for 20-40 minutes, then add urea and 50-100kg of melamine for the first time, keep warm for 20-40 minutes, add urea for the second time, adjust PH8-9, and heat up to 75 -80°C, keep warm until the viscosity is 30-45s, cool to room temperature, adjust the pH to 8-9, add 50-1000kg filling modifier, stir and mix evenly, and discharge. The invention is simple and easy to implement, and the production cost is low, and the obtained wood coating paint has the advantages of strong adhesion, good covering performance, low cost and good waterproof performance.
