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Polymer nano-modified nylon 11 composite material and preparation method thereof

A nano-modification and composite material technology, applied in the field of composite materials, can solve problems such as insufficient scale and not very systematic and comprehensive research, and achieve the effects of low cost, simple and easy preparation process, and good barrier properties.

Inactive Publication Date: 2015-01-21
SUZHOU POLYMER NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although there are many research and production institutions of nylon 11 at home and abroad, their scale is not large enough, and their research is not very systematic and comprehensive.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A polymer nano-modified nylon 11 composite material, the components and the mass fraction of each component are as follows: 50 parts of nylon 11, 20 parts of starch, 20 parts of polylactic acid, 5 parts of methyl methacrylate, 1 part of maleic anhydride , 1 part of oxalic acid, 1 part of triphenyl phosphite, 2 parts of nano-silicon dioxide, 2 parts of nano-calcium carbonate, 0.1 part of barium stearate, 0.1 part of zinc borate, 1 part of trimethylchloropropane trimethacrylate parts, antioxidant 7096 1 part.

[0019] Add each material to the high-speed mixer in proportion, mix for 10 minutes at 25°C, and the speed of the high-speed mixer is 500rmp, then put the mixed materials into the twin-screw extruder for reaction extrusion, the extrusion temperature is 220°C, The screw speed was 12 rpm.

Embodiment 2

[0021] A polymer nano-modified nylon 11 composite material, the components and the mass fractions of each component are as follows: 80 parts of nylon 11, 30 parts of starch, 40 parts of polylactic acid, 10 parts of methyl methacrylate, 6 parts of maleic anhydride , 3 parts of oxalic acid, 4 parts of triphenyl phosphite, 8 parts of nano-silica, 6 parts of nano-calcium carbonate, 0.8 part of barium stearate, 0.6 part of zinc borate, 5 parts of trimethylchloropropane trimethacrylate parts, antioxidant 7096 3 parts.

[0022] Add each material to the high-speed mixer in proportion, mix for 10 minutes at 25°C, and the speed of the high-speed mixer is 500rmp, then put the mixed materials into the twin-screw extruder for reaction extrusion, the extrusion temperature is 220°C, The screw speed was 12 rpm.

Embodiment 3

[0024] A polymer nano-modified nylon 11 composite material, the components and the mass fractions of each component are as follows: 55 parts of nylon 11, 23 parts of starch, 40 parts of polylactic acid, 5 parts of methyl methacrylate, and 5 parts of maleic anhydride , 3 parts of oxalic acid, 1 part of triphenyl phosphite, 7 parts of nano-silica, 5 parts of nano-calcium carbonate, 0.6 part of barium stearate, 0.2 part of zinc borate, 4 parts of trimethylchloropropane trimethacrylate parts, antioxidant 7096 1.8 parts.

[0025] Add each material to the high-speed mixer in proportion, mix for 10 minutes at 25°C, and the speed of the high-speed mixer is 500rmp, then put the mixed materials into the twin-screw extruder for reaction extrusion, the extrusion temperature is 220°C, The screw speed was 12 rpm.

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PUM

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Abstract

The invention discloses a polymer nano-modified nylon 11 composite material and a preparation method thereof. The polymer nano-modified nylon 11 composite material comprises the following components in parts by weight: 50-80 parts of nylon 11, 20-30 parts of starch, 20-40 parts of polylactic acid, 5-10 parts of methyl methacrylate, 1-6 parts of maleic anhydride, 1-3 parts of oxalic acid, 1-4 parts of triphenyl phosphite, 2-8 parts of nanosilicon dioxide, 2-6 parts of nano calcium carbonate, 0.1-0.8 part of stearate, 0.1-0.6 part of borate, 1-5 parts of trimethyl chloro propane trimethyl acrylate and 1-3 parts of an antioxidant. The preparation process is simple, feasible, and easy to process; and the prepared polymer nano-modified nylon 11 composite material has the advantages of a polymer, a nano material and nylon 11, and is good in low-temperature toughness, good in barrier property, low in cost and suitable for the industries such as automobiles, aviation and electrons.

Description

technical field [0001] The invention belongs to the technical field of composite materials, and in particular relates to a polymer nano-modified nylon 11 composite material and a preparation method thereof. Background technique [0002] The large family of nylon is mainly divided into three categories: (1) Aliphatic nylon (2) Aromatic nylon (3) Aliphatic-aromatic nylon. At present, in industrial production, nylon 66 and nylon 6 are the most widely used, and the output is also the largest. Most, they are aliphatic nylons. The output of other varieties of nylon products is small. The chemical name of nylon 11 is polyundecalactam. It is a long carbon chain high-polymerization soft nylon synthesized based on castor oil. Its density is relatively low, only 1.04g / cm 3 ; Stable chemical properties, no reaction with general acid-base and oxidizing agents; low water absorption, excellent barrier properties; good dimensional stability, outstanding mechanical properties. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L3/02C08L67/04C08K13/02C08K5/101C08K5/1539C08K5/092C08K5/526C08K3/36C08K3/26C08K5/098C08K3/38B29C47/92B29C48/92
CPCC08L77/02B29C48/92B29C2948/9258B29C2948/92704C08K2201/011C08L2205/03C08L3/02C08L67/04C08K13/02C08K5/101C08K5/1539C08K5/092C08K5/526C08K3/36C08K2003/265
Inventor 翟红波杨振枢韦洪屹
Owner SUZHOU POLYMER NEW MATERIALS TECH
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