Water foaming inorganic hybrid melamine polyurethane rigid foam material and manufacturing method thereof
A hybrid melamine polyurethane and hybrid melamine technology are applied in the field of water-foaming polyurethane rigid foam materials and their manufacturing fields, which can solve the problems of high system viscosity, high thermal conductivity, poor fluidity and the like, and achieve improved high temperature resistance and flame retardancy. The effect of improved performance and excellent flame retardant performance
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Embodiment 1
[0045] Water-foamed inorganic hybrid melamine polyurethane rigid foam material, which is a rigid foam material formed by foaming inorganic hybrid melamine polyurethane combined polyether and polymerized isocyanate. Inorganic hybrid melamine polyurethane combined polyether, in parts by weight ratio, The formula is as follows:
[0046]
[0047] The emulsifier is hard foam silicone oil.
[0048] The composite catalyst is potassium acetate and pentamethyldiethylenetriamine.
[0049] The flame retardant is phosphate, and the phosphate is tris(1-chloro-2-propyl) phosphate, and the viscosity of the phosphate is 290 Pa·s.
[0050] The inorganic hybrid melamine resin polyol is specifically boron hybrid melamine resin propylene glycol, and its molecular structure and preparation method are as follows:
[0051]
[0052] Raw material ratio:
[0053]
[0054]
[0055] (1) Etherification reaction
[0056] Add hexamethylol melamine and methanol into the reaction kettle according to the above ratio, add...
Embodiment 2
[0073] Water-foamed inorganic hybrid melamine polyurethane rigid foam material, which is a rigid foam material formed by foaming inorganic hybrid melamine polyurethane combined polyether and polymeric isocyanate, and is characterized by:
[0074] Water-foamed inorganic hybrid melamine polyurethane rigid foam material, which is a rigid foam material formed by foaming inorganic hybrid melamine polyurethane combined polyether and polymeric isocyanate, and is characterized by:
[0075] The inorganic hybrid melamine polyurethane combined polyether has the following formula in parts by weight ratio:
[0076]
[0077] The emulsifier is hard foam silicone oil.
[0078] The composite catalyst is pentamethyldiethylenetriamine, 1,3,5-tris(dimethylaminopropyl)hexahydrotriazine, trimethyl-N-2 hydroxypropyl hexanoic acid and dilauric acid. Butyl tin.
[0079] The flame retardant is phosphate, and the phosphate is tris(2,3-dichloropropyl) phosphate, and the viscosity of the phosphate is 285 Pa·s.
[0...
Embodiment 3
[0103] Water-foamed inorganic hybrid melamine polyurethane rigid foam material, which is a rigid foam material formed by foaming inorganic hybrid melamine polyurethane combined polyether and polymeric isocyanate, and is characterized by:
[0104] Water-foamed inorganic hybrid melamine polyurethane rigid foam material, which is a rigid foam material formed by foaming inorganic hybrid melamine polyurethane combined polyether and polymeric isocyanate, and is characterized by:
[0105] The inorganic hybrid melamine polyurethane combined polyether has the following formula in parts by weight ratio:
[0106]
[0107] The emulsifier is hard foam silicone oil.
[0108] The composite catalyst is 1,3,5-tris(dimethylaminopropyl)hexahydrotriazine, triethylenediamine and N,N-dimethylaniline.
[0109] The flame retardant is phosphate, and the phosphate is tris(1-chloro-2-propyl) phosphate and tris(2,3-dichloropropyl) phosphate, and the viscosity of the phosphate is 269 Pa·s.
[0110] The inorganic hyb...
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