Weather-resistant nylon composite material and preparation method thereof
A nylon composite material and weather resistance technology, which is applied in the manufacture of rayon, single-component polyamide rayon, textiles and papermaking, etc., can solve problems such as poor corrosion resistance, damaged service life, and long-term use of fishing nets. Achieve the effect of improving weather resistance and strength and prolonging service life
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Embodiment 1
[0030] A preparation method of a weather-resistant nylon composite material, the specific steps are as follows:
[0031] (1) First, 15.3 g of 1,5-pentanediamine (0.15 mol, Mr: 102) was prepared into an aqueous solution of 1,5-pentanediamine with a mass concentration of 30%, and then under a nitrogen atmosphere, 81.2 g of hexamethylenediamine was prepared (0.7mol, Mr: 116) was slowly added to the 1,5-pentamethylenediamine aqueous solution, stirred and mixed, and then 146g of adipic acid (1mol, Mr: 146) was slowly added, stirred for 30 minutes to obtain an aqueous solution, and then the aqueous solution was transferred In the reactor, the reaction was stirred for 2 hours at 230°C and 2MPa, the pressure was released, the temperature was raised to 280°C, vacuumed, and stirred for 10 minutes to obtain a polyamide;
[0032] (2) then 2g nano-zirconia and 0.5g graphene are mixed uniformly to obtain filler;
[0033] (3) Finally, the polyamide and the filler are mixed uniformly accordi...
Embodiment 2
[0037] A preparation method of a weather-resistant nylon composite material, the specific steps are as follows:
[0038] (1) First, 25.5 g of 1,5-pentanediamine (0.25 mol, Mr: 102) was prepared into an aqueous solution of 1,5-pentanediamine with a mass concentration of 40%, and then under a nitrogen atmosphere, 92.8 g of hexamethylenediamine was prepared (0.8mol, Mr: 116) was slowly added to the 1,5-pentamethylenediamine aqueous solution, stirred and mixed, and then slowly added 146g of adipic acid (1mol, Mr: 146), stirred for 40 minutes to obtain an aqueous solution, and then the aqueous solution was transferred In the reactor, stirring and reacting at 250 ° C and 3 MPa for 3 hours, releasing the pressure, heating up to 290 ° C, vacuuming, and stirring for 15 minutes to obtain polyamide;
[0039] (2) then 4.5g of nano-zirconia and 1.05g of graphene are mixed uniformly to obtain filler;
[0040] (3) Finally, the polyamide and the filler are mixed uniformly according to a mass r...
Embodiment 3
[0044] A preparation method of a weather-resistant nylon composite material, the specific steps are as follows:
[0045] (1) First, 20.4 g of 1,5-pentanediamine (0.2 mol, Mr: 102) was prepared into an aqueous solution of 1,5-pentanediamine with a mass concentration of 35%, and then under a nitrogen atmosphere, 87 g of hexanediamine ( 0.75mol, Mr: 116) was slowly added to the 1,5-pentanediamine aqueous solution, stirred and mixed, and then slowly added 146g of adipic acid (1mol, Mr: 146), stirred for 35 minutes to obtain an aqueous solution, and then the aqueous solution was transferred to In the reactor, the reaction was stirred for 2.5 hours at 240 ° C and 2.5 MPa, the pressure was released, the temperature was raised to 285 ° C, the vacuum was drawn, and the temperature was kept stirring for 12 minutes to obtain the polyamide;
[0046] (2) then 2.5g of nano-zirconia and 0.6g of graphene are mixed uniformly to obtain filler;
[0047] (3) Finally, the polyamide and the filler...
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