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Nylon composite material filled with nano silicon nitride

A nylon composite material and nano-silicon nitride technology, which is applied in the field of nano-silicon nitride-filled nylon composite materials, can solve problems such as poor creep resistance, limited application, and unsatisfactory mechanical and physical properties.

Inactive Publication Date: 2013-03-27
CHANGSHU CHIKUSHI MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Nylon material is a kind of plastic with excellent comprehensive performance, but due to its strong water absorption, poor creep resistance and unsatisfactory mechanical and physical properties, nylon material limits its application in special fields (such as vehicles)

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Get the following raw materials in parts by weight:

[0023] Nylon 66 resin (resin with a melting point of 240°C) 210 parts;

[0024] Nylon 6 resin (resin with a melting point of 220°C) 70 parts;

[0025] The coupling agent is 1.5 parts of γ-glycidyl etheroxypropyl trimethoxysilane;

[0026] Filler is 80 parts of magnesium hydroxide through surface treatment;

[0027] Nano-silicon nitride (powder with an average particle size of 100nm) 23 parts;

[0028] Antioxidant namely 4,4-butylene bis(3-methyl-6-tert-butylphenol) 1.0 part;

[0029] 103 parts of alkali-free chopped glass fibers with a length of 3mm;

[0030] Oleamide 0.3 part.

Embodiment 2

[0032] Get the following raw materials in parts by weight:

[0033] Nylon 66 resin (resin with a melting point of 240°C) 180 parts;

[0034] Nylon 6 resin (resin with a melting point of 220°C) 85 parts;

[0035] The coupling agent is 1.8 parts of γ-glycidyl etheroxypropyl trimethoxysilane;

[0036] Filler is 70 parts of magnesium hydroxide through surface treatment;

[0037] Nano-silicon nitride (powder with an average particle size of 100nm) 20 parts;

[0038] Antioxidant namely 4,4-butylene bis(3-methyl-6-tert-butylphenol) 0.6 parts;

[0039] 120 parts of alkali-free chopped glass fibers with a length of 3mm;

[0040] Oleamide 0.7 parts.

Embodiment 3

[0042] Get the following raw materials in parts by weight:

[0043] Nylon 66 resin (resin with a melting point of 240°C) 190 parts;

[0044] Nylon 6 resin (resin with a melting point of 220°C) 75 parts;

[0045] The coupling agent is 2.4 parts of γ-glycidyl etheroxypropyl trimethoxysilane;

[0046] Filler is 95 parts of magnesium hydroxide through surface treatment;

[0047] Nano-silicon nitride (powder with an average particle size of 100nm) 26 parts;

[0048] Antioxidant namely 4,4-butylene bis(3-methyl-6-tert-butylphenol) 0.8 part;

[0049] 126 parts of alkali-free chopped glass fibers with a length of 3mm;

[0050] Oleamide 0.4 part.

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Abstract

The invention discloses a nylon composite material filled with nano silicon nitride, belonging to the technical field of high polymer materials. The nylon composite material comprises the raw materials in parts by weight: 180-210 parts of nylon 66 resin, 70-85 parts of nylon 6 resin, 1.5-2.4 parts of coupling reagent, 70-95 parts of fille, 20-26 parts of nano silicon nitride, 0.6-1.0 part of antioxygen, 103-126 parts of glass fibre and 0.3-0.7 part of oleamide. The nylon composite material has the advantages that the surface is improved by adopting the oleamide for preventing the glass fibre from escaping to the outside so as to greatly inhibit water absorbing quality; and according to the test results of mechanical and physical properties, tensile strength is more than 170MPa, bending strength is more than 250MPa, cantilever notch impact strength is more than 24.5kj / m<2>, and a melt index is more than 18g / 10min.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a nylon composite material filled with nanometer silicon nitride. Background technique [0002] Nanomaterials are new materials developed in recent years. Nanoparticles have special scale effects and have been continuously applied to the modification of polymeric materials in recent years. Nylon material is a kind of plastic with excellent comprehensive performance, but due to its strong water absorption, poor creep resistance and unsatisfactory mechanical and physical properties, nylon material limits its application in special fields (such as vehicles). Therefore, it is of positive significance to develop a nylon material that can remedy these defects. For this reason, the applicant has made a beneficial attempt, and the technical solution to be introduced below is based on this premise. Contents of the invention [0003] The task of the present inventi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L77/02C08K13/06C08K9/00C08K7/14C08K3/34C08K3/22C08K5/13C08K5/20
Inventor 朱雪忠
Owner CHANGSHU CHIKUSHI MACHINERY
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