Nylon fuel tank in use for automobiles and motorcycles, and preparation method
A technology for motorcycles and fuel tanks, applied in the field of nylon fuel tanks and their preparation, can solve the problems that the surface cannot be directly painted, large corrosion, complicated processing procedures, etc., achieve excellent impact resistance and other mechanical properties, reduce cost and energy. Consumption and overcoming the effect of long production cycle
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Embodiment 1
[0041]Component A: ε-caprolactam 640 g, sodium methoxide 20 g, nylon 910 100 g, polypropylene glycol 80 g, tetrakis[β-(3,5-di-tert-butyl-4-carboxyphenyl) propionate] pentaerythritol 60 grams of mixture with tris (2,4-di-tert-butylphenyl) phosphite (1:1, weight ratio), 60 grams of benzophenone, and 40 grams of carbon black. A total of 1000 grams of component A, melted and mixed at 150 ° C, vacuum dehydration for 15 minutes;
[0042] Component B: 960 grams of ε-caprolactam, 40 grams of polymethylene polyphenyl polyisocyanate. Component B totaled 1000 g, melted and mixed at 150° C., and vacuum dehydrated for 15 minutes.
[0043] Component A and component B were mixed, poured into a mold, and reacted at 145° C. for 15 minutes.
[0044] Two-way rotation speed: revolution is 5rpm; rotation is 10rpm.
Embodiment 2
[0046] Component A: 510 grams of ε-caprolactam, 40 grams of sodium hydroxide, 200 grams of nylon 1010, 120 grams of propylene glycol and ethylene glycol copolymer, tetrakis[β-(3,5-di-tert-butyl-4-carboxyphenyl ) propionic acid] pentaerythritol ester and dilauryl thiodipropionate mixture 80 grams (2:1, weight ratio), N, N'- oxanilide 30 grams, wollastonite 20 grams. A total of 1000 grams of component A was melted and mixed at 170° C. to 180° C., and vacuumed and dehydrated for 15 minutes.
[0047] Component B: 900 g of ε-caprolactam, 100 g of polyisocyanate dissolved in methylpyrrolidone. A total of 1000 g of component B was melt-mixed at 175° C., and vacuum dehydrated for 15 minutes.
[0048] Component A and component B were mixed, poured into a mold, and reacted at 195° C. for 12 minutes.
[0049] Two-way rotation speed: revolution is 8rpm; rotation is 12rpm.
Embodiment 3
[0051] Component A: ε-caprolactam 310g, caprolactam sodium salt 160g, nylon 1012 300g, n-octanol 100g, 1,1,3-tris(5-tert-butyl-4-hydroxy-2-methylphenyl) - 30 grams of butane and tris [(4-octylethyl) phenyl] phosphite mixture, 60 grams of benzotriazole, 40 grams of carbon black. A total of 1000 grams of component A was melted and mixed at 190° C., and vacuum dehydrated for 15 minutes.
[0052] Component B: 890 grams of ε-caprolactam, 110 grams of toluene diisocyanate. A total of 1000 grams of component B was melted and mixed at 180° C. to 190° C., and vacuum dehydrated for 15 minutes.
[0053] Component A and component B were mixed, poured into a mold, and reacted at 220° C. for 8 minutes.
[0054] Two-way rotation speed: revolution is 12rpm; rotation is 15rpm.
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