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Multi-layer modified cast nylon material

A technology of casting nylon and modification, which is applied in the field of nylon materials, can solve the problems such as the performance degradation of casting nylon, and achieve the effects of stable performance, low cost and simple phase structure

Inactive Publication Date: 2020-02-04
徐州兰贵机械科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The performance of the existing cast nylon can no longer meet people's needs, but there will be many problems in the modification of cast nylon, if adding a single component can only slightly increase the performance of cast nylon, if adding more complex Composition in turn leads to performance degradation of cast nylon

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A multi-layer modified cast nylon material, which includes a wear-resistant layer and a reinforcement layer;

[0023] The wear-resistant layer and the reinforced layer are compounded by layer-by-layer centrifugal casting;

[0024] The wear-resistant layer is prepared by using high-toughness cast nylon material and wear-resistant agent;

[0025] The reinforcing layer is prepared by using high-toughness cast nylon material and reinforcing agent;

[0026] The wear-resistant agent is graphite particles; the reinforcing agent is glass fiber;

[0027] Wherein, the preparation method of high-toughness cast nylon material is as follows:

[0028] (1) Pre-treatment carbon fiber:

[0029] Weigh 10g of carbon fiber and grind it into powder, add it to 200mL of acetone, ultrasonically clean it for 2-3 times, filter the solid, put it in a 100°C oven for drying; then put it into 100mL of potassium permanganate solution with a mass concentration of 10%. Sonicate at 60°C for 2 hours,...

Embodiment 2

[0036] A multi-layer modified cast nylon material, which includes a wear-resistant layer and an aging-resistant layer;

[0037] The wear-resistant layer and the aging-resistant layer are compounded by layer-by-layer centrifugal casting;

[0038] The wear-resistant layer is prepared by using high-toughness cast nylon material and wear-resistant agent;

[0039] The anti-aging layer is prepared by using high-toughness cast nylon material and anti-aging agent;

[0040] The wear agent is MoS 2 Particles; anti-aging agent is nano calcium carbonate.

[0041] Wherein, the preparation method of high-toughness cast nylon material is as follows:

[0042] (1) Pre-treatment carbon fiber:

[0043] Weigh 10g of carbon fiber and grind it into powder, add it to 200mL of acetone, ultrasonically clean it for 2-3 times, filter the solid, put it in a 100°C oven for drying; then put it into 100mL of potassium permanganate solution with a mass concentration of 10%. Sonicate at 60°C for 2 hours,...

Embodiment 3

[0050] A multi-layer modified cast nylon material, which includes a wear-resistant layer, an aging-resistant layer and a heat-resistant layer;

[0051] The wear-resistant layer, aging-resistant layer and heat-resistant layer are composited by layer-by-layer centrifugal casting;

[0052] The wear-resistant layer is prepared by using high-toughness cast nylon material and wear-resistant agent;

[0053] The anti-aging layer is prepared by using high-toughness cast nylon material and anti-aging agent;

[0054] The heat-resistant layer is prepared by using high-toughness cast nylon material and heat-resistant agent.

[0055] The wear agent is graphite particles and / or MoS 2 Particles; anti-aging agent is phenolic resin; heat-resistant agent is barium stearate.

[0056] Wherein, the preparation method of high-toughness cast nylon material is as follows:

[0057] (1) Pre-treatment carbon fiber:

[0058] Weigh 10g of carbon fiber and grind it into powder, add it to 200mL of aceto...

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PUM

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Abstract

The invention relates to the field of nylon materials, in particular to a multi-layer modified cast nylon material. The invention discloses a multi-layer modified cast nylon material, which is characterized in that it comprises a plurality of functional layers; the functional layer is one of a wear-resistant layer, a reinforcing layer, an aging-resistant layer and a heat-resistant layer. The invention solves the problem that adding a single component to the existing cast nylon can only slightly increase part of the performance of the cast nylon, and if more complex components are added, the performance of the cast nylon will decrease. Compared with the cast nylon modified by adding various fillers at the same time, the multi-layer nylon material of the invention not only has a plurality ofimproved properties, but also has different properties at different levels, and can meet the requirements of different use positions of parts for different properties.

Description

technical field [0001] The invention relates to the field of nylon materials, in particular to a multilayer modified cast nylon material. Background technique [0002] Cast nylon is a new type of synthetic material. Its production process is to heat caprolactam in a mold, vacuumize and dehydrate it after it is completely melted, and then quickly cast it in a preheated mold after adding catalyst and toughening agent. , Polymerized under normal pressure, the material produced by this process is called monomer cast nylon or cast nylon (MC nylon). MC nylon has the advantages of good wear, good corrosion performance, light weight, high toughness, etc. The MC nylon produced by this casting process can produce products without internal stress, especially products with large and complex sizes. With the development and progress of industrial technology, people have higher and higher requirements for the performance of cast nylon. For example, it is required to have good wear resist...

Claims

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Application Information

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IPC IPC(8): B32B9/00B32B9/04B32B33/00B32B27/04B32B37/02B32B37/14B32B38/08B32B38/18D06M11/50C08G69/16C08L77/02C08L77/00C08K9/02C08K7/06D06M101/40
CPCB32B5/02B32B5/08B32B5/26B32B33/00B32B37/02B32B37/14B32B38/08B32B38/1808B32B2250/20B32B2260/021B32B2260/046B32B2262/0261B32B2262/106B32B2262/14B32B2307/306B32B2307/554B32B2307/714C08G69/16C08L77/02C08L2205/16D06M11/50D06M2101/40C08L77/00C08K9/02C08K7/06
Inventor 时磊
Owner 徐州兰贵机械科技有限公司
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