Mesoporous modified polyurethane resin for automotive interior trim and preparation method of mesoporous modified polyurethane resin
A polyurethane resin and automotive interior technology, applied in textiles and papermaking, can solve problems such as antibacterial, flame retardant, peel strength, heat insulation, and unsatisfactory sound absorption effects, and achieve increased surface functionality and hydrophilicity, The effect of improving mechanical properties and improving mechanical strength
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Embodiment 1
[0025] (1) Weigh 100 parts of oxalic acid, 82 parts of water and 67 parts of urea into the reactor, stir at a speed of 165r / min, maintain the system temperature at 30°C for 2 hours, wash the product twice with 500mL of ethanol, filter, 60 ℃, -0.1MPa drying for 2 hours, to obtain a new type of flame retardant;
[0026] (2) Weigh 10 parts of zinc sulfate, 45 parts of ammonia gas and 39 parts of water into the reactor, stir at a speed of 120r / min, keep the system temperature at 26°C for 1h, and freeze-dry the product at -35°C for 2h. Obtain zinc ammonia complex;
[0027] (3) Weigh 10 parts of ammonium silicate, 16 parts of triethylenetetramine and 65 parts of zinc ammonium complex into a ball mill, and grind for 2 h at a temperature of 26 °C and 130 r / min, that is get the precursor;
[0028] (4) Weigh 5 parts of precursor, 0.8 parts of (2, 3-epoxypropoxy)propyltrimethoxysilane, 0.5 parts of phosphorous acid, 0.3 parts of 2-(2′-hydroxyl-5′-methylphenyl ) benzotriazole, 3.5 part...
Embodiment 2
[0030] (1) Weigh 100 parts of oxalic acid, 70 parts of water and 60 parts of urea into the reactor, stir at a speed of 130r / min, keep the system temperature at 25°C for 1h, wash the product twice with 500mL of ethanol, filter, 60 ℃, -0.1MPa drying for 2 hours, to obtain a new type of flame retardant;
[0031] (2) Weigh 10 parts of zinc sulfate, 30 parts of ammonia gas and 20 parts of water into the reactor, stir at a speed of 80r / min, keep the system temperature at 10°C for 0.5h, and freeze-dry the product at -30°C for 1h , to obtain zinc ammonia complex;
[0032] (3) Weigh 10 parts of ammonium silicate, 12 parts of triethylenetetramine and 50 parts of zinc ammonium complex into a ball mill, and grind for 1 h at a temperature of 20 °C and 100 r / min, that is get the precursor;
[0033] (4) Weigh 5 parts of precursors, 0.5 parts of vinyltriethoxysilane, 0.3 parts of phosphorous acid, 0.2 parts of 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole, 1 part New flame retardant, 37 part...
Embodiment 3
[0035] (1) Weigh 100 parts of oxalic acid, 90 parts of water and 80 parts of urea into the reactor, stir at 200r / min, keep the system temperature at 46°C for 3h, wash the product twice with 500mL of ethanol, filter, 60 ℃, -0.1MPa drying for 2 hours, to obtain a new type of flame retardant;
[0036] (2) Weigh 10 parts of zinc sulfate, 60 parts of ammonia gas and 50 parts of water into the reactor, stir at a speed of 150r / min, maintain the system temperature at 30°C for 2h, and freeze-dry the product at -40°C for 3h. Obtain zinc ammonia complex;
[0037](3) Weigh 10 parts of ammonium silicate, 20 parts of triethylenetetramine and 70 parts of zinc ammonium complex into a ball mill, and grind for 3 h at a temperature of 30 °C and 150 r / min, namely get the precursor;
[0038] (4) Weigh 5 parts of precursor, 1 part of (methacryloyloxy)propyltrimethoxysilane, 0.8 part of phosphorous acid, 0.2~0.5 part of 2-(2ˊ-hydroxy-5ˊ-methylphenyl) Benzotriazole, 5 parts of new flame retardant,...
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