Continuous production method of polyurethane insulation composite slab
A production method and polyurethane technology, applied in household components, applications, household appliances, etc., can solve the problems of complex production and construction, safety impact, heavy weight, etc., and achieve the effect of good impact resistance, good bearing capacity, and light weight
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Embodiment 1
[0015] A continuous production method of weather-resistant polyurethane thermal insulation composite board,
[0016] (1) The raw materials for producing high-density self-skinned polyurethane foam are configured, the mold is closed, and foaming is poured with a pouring machine to obtain a high-density and high-hardness self-skinned polyurethane foam board; high-density and high-hardness polyurethane foam board The hardness is above Shore 60D.
[0017] (2) The high-density and high-hardness self-skinning polyurethane foam board is used as the bottom plate, and is input into a polyurethane horizontal foaming machine, and the low-density polyurethane board is foamed on the non-self-skinning side to obtain a polyurethane thermal insulation composite board. Finally, beautify and modify the surface of the self-crust to have a modified pattern.
Embodiment 2
[0019] When manufacturing the high-density and high-hardness self-skinned polyurethane foam plastic board, 4-8% of the total weight of the raw material of the high-density and high-hardness self-skinned polyurethane foam plastic board is added with glass fiber or nano-calcium carbonate. All the other are with embodiment 1.
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