Polyurethane heat insulation material
An insulation material, polyurethane technology, applied in the field of insulation materials, can solve the problems of vacuum nozzle foam cracking, foam and shell falling off, atmospheric ozone layer destruction, etc., and achieve the effect of low equipment requirements, good wear resistance and corrosion resistance, and low cost
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Embodiment 1
[0022] A polyurethane thermal insulation material is made by foaming raw materials in the following proportions by weight:
[0023] Toluene diisocyanate 60kg, plant fiber-based polyether polyol 40kg, vegetable oil-based polyether polyol 30kg, catalyst 1kg, foaming agent 0.5kg, silicone oil 1kg, deionized water 6kg.
[0024] The plant fiber-based polyether polyol is a polyether polyol made from agricultural and forestry waste, with a viscosity of 2800 mPa·s and an average functionality of 4.
[0025] The vegetable oil-based polyether polyol is a polyether polyol made from waste oil, with a viscosity of 2800 mPa·s and an average functionality of 4.5.
[0026] The catalyst is N,N-dimethylcyclohexylamine.
[0027] The foaming agent is polyether organopolysiloxane.
[0028] The preparation method of above-mentioned polyurethane insulation material is as follows:
[0029] (1) According to the mass ratio of the above-mentioned raw materials;
[0030] (2) Put toluene diisocyanate,...
Embodiment 2
[0034] A polyurethane thermal insulation material is made by foaming raw materials in the following proportions by weight:
[0035] Toluene diisocyanate 70kg, plant fiber-based polyether polyol 50kg, vegetable oil-based polyether polyol 40kg, catalyst 2kg, foaming agent 0.8kg, silicone oil 2kg, deionized water 7kg.
[0036] The plant fiber-based polyether polyol is a polyether polyol made from agricultural and forestry waste, with a viscosity of 2800 mPa·s and an average functionality of 4.5.
[0037] The vegetable oil-based polyether polyol is a polyether polyol made from non-edible oil, with a viscosity of 2800 mPa·s and an average functionality of 4.8.
[0038] The catalyst is N,N-dimethylcyclohexylamine.
[0039] The foaming agent is polyether organopolysiloxane.
[0040] The preparation method of above-mentioned polyurethane insulation material is as follows:
[0041] (1) According to the mass ratio of the above-mentioned raw materials;
[0042] (2) Put toluene diisoc...
Embodiment 3
[0046] A polyurethane thermal insulation material is made by foaming raw materials in the following proportions by weight:
[0047] Toluene diisocyanate 80kg, plant fiber-based polyether polyol 60kg, vegetable oil-based polyether polyol 50kg, catalyst 3kg, foaming agent 1kg, silicone oil 3kg, deionized water 8kg.
[0048] The plant fiber-based polyether polyol is a polyether polyol made from agricultural and forestry waste, with a viscosity of 2800 mPa·s and an average functionality of 5.
[0049] The vegetable oil-based polyether polyol is a polyether polyol made from waste oil, with a viscosity of 2800 mPa·s and an average functionality of 5.
[0050] The catalyst is N,N-dimethylcyclohexylamine.
[0051] The foaming agent is polyether organopolysiloxane.
[0052] The preparation method of above-mentioned polyurethane insulation material is as follows:
[0053] (1) According to the mass ratio of the above-mentioned raw materials;
[0054] (2) Put toluene diisocyanate, pla...
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Abstract
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