A kind of high-flow nylon 11 and its product and preparation method
A high-fluidity nylon and nylon technology, which is applied in the field of high-fluidity nylon materials and their products and preparations, as well as nylon materials and their preparation fields, can solve the problems of poor fluidity and low impact strength, and achieve good fluidity and toughness. The effect of improving impact strength and increasing molecular force
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Embodiment 1
[0069] A preparation method of high flow nylon 11, the method may further comprise the steps:
[0070] (1) Add 1000g nylon 11, 300g formic acid solution, 100g methyl methacrylate to the reactor, then add 200g K 2 S 2 o 8 Aqueous solution, 300g CuSO 4 ·5H 2 O aqueous solution in the reactor, seal the reactor, heat to 75 ° C for 5 hours, then wash with distilled water, and dry in vacuum to obtain acrylic acid grafted nylon 11;
[0071] Wherein: the volume fraction of formic acid in the formic acid solution is 20%; The molar concentration of methyl methacrylate in the formic acid solution is 2mol / L; K 2 S 2 o 8 Used in the form of an aqueous solution, at the K 2 S 2 o 8 K in aqueous solution 2 S 2 o 8 The molar concentration of CuSO is 0.02mol / L; 4 ·5H 2 O is used in the form of an aqueous solution in which CuSO 4 The molar concentration is 0.02mol / L;
[0072] (2) 750g of acrylate grafted nylon 11 prepared in step (1), mixed with LLDPE 100g, PE-g-MAH 100g and PEG ...
Embodiment 2
[0075] A preparation method of high flow nylon 11, the method may further comprise the steps:
[0076] (1) Add 1200g nylon 11, 320g formic acid solution, 150g hexyl methacrylate to the reactor, then add 330g K 2 S 2 o 8 Aqueous solution, 380g CuSO 4 ·5H 2 O aqueous solution in the reactor, sealing the reactor, heating to 80 ° C for 4 hours, then washing with distilled water, and vacuum drying to obtain acrylic acid grafted nylon 11;
[0077] Wherein: in the formic acid solution, the volume fraction of formic acid is 18%; In the formic acid solution, the molar concentration of hexyl methacrylate is 2.5mol / L; K 2 S 2 o 8 Used in the form of an aqueous solution, at the K 2 S 2 o 8 K in aqueous solution2 S 2 o 8 The molar concentration of CuSO is 0.08mol / L; 4 ·5H 2 O is used in the form of an aqueous solution in which CuSO 4 The molar concentration is 0.06mol / L;
[0078] (2) Acrylate grafted nylon 11 800g, LLDPE 75g and POE-g-MAH 75g and N-butylbenzenesulfonamide 47...
Embodiment 3
[0081] A preparation method of high flow nylon 11, the method may further comprise the steps:
[0082] (1) Add 800g nylon 11, 250g formic acid solution, 90g n-butyl methacrylate into the reactor, then add 180g K 2 S 2 o 8 Aqueous solution, 180g CuSO 4 ·5H 2 O aqueous solution in the reactor, sealing the reactor, heating to 65 ° C for 6 hours, then washing with distilled water, and vacuum drying to obtain acrylic acid grafted nylon 11;
[0083] Wherein: in the formic acid solution, the volume fraction of formic acid is 258%; In the formic acid solution, the molar concentration of hexyl methacrylate is 2.0mol / L; K 2 S 2 o 8 used in the form of an aqueous solution, at the K 2 S 2 o 8 K in aqueous solution 2 S 2 o 8 The molar concentration of CuSO is 0.04mol / L; 4 ·5H 2 O is used in the form of an aqueous solution in which CuSO 4 The molar concentration is 0.06mol / L;
[0084] (2) Acrylate grafted nylon 11 820g, LLDPE 60g, PE-g-MAH 80g and N,N-dimethyl-p-toluenesulfo...
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