| abstract |
The invention discloses a preparation method of a durable fireproof polyurethane foam material, which is prepared from the following raw materials, by weight, 30-40 parts of pentaerythritol polyether, 20-30 parts of glycerol polyether, 20-30 parts of isocyanate, 10-15 parts of polycarbonate diol, 8-14 parts of polyethylene, 5-11 parts of a catalyst, 10-15 parts of a foaming agent, 10-15 parts of a flame retardant and 7-13 parts of water, wherein the raw materials are stirred and uniformly mixed by using a stirring barrel to obtain the durable fireproof polyurethane foam material; the agitator includes first rabbling mechanism, second rabbling mechanism and supplementary rabbling mechanism, makes this agitator have advantages such as convenient operation, operational environment safety, stirring effect are good through setting up of multiple rabbling mechanism, and through adding appropriate amount of fire retardant in raw and other materials, makes polyurethane foam not only have elasticity good, light in weight, quick pressure-sensitive fixed, convenient to use, crooked freely, advantages such as volume ultra-thin, has fire prevention fire-retardant function in addition, has the life production that utilizes people. |