| abstract |
The invention belongs to the technical field of melamine, and in particular relates to a high-water-retention melamine foam and a preparation method thereof. The high-water-retention melamine foam is prepared from the following raw materials in parts by weight: 30-50 parts of melamine, 180-250 parts of formaldehyde, and 3-3 parts of an alkaline catalyst. 8 parts, 4-9 parts of curing agent, 22-28 parts of foaming agent, 3-8 parts of emulsifier, 10-20 parts of polyvinyl alcohol, 5-10 parts of chitosan, 0.1-0.5 parts of ammonium persulfate, 0.03-0.05 part of sodium bisulfate, 1-5 parts of N,N,-methylene acrylamide, 100-200 parts of water and 1-5 parts of quaternary ammonium salt; the melamine foam of the present invention has excellent water retention, and the preparation method is simple and easy Row. |