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Weatherproof glass fiber reinforced PA66 common railway track gauge block material and preparation method thereof

A technology of gauge block and ordinary iron, which is applied in the field of weather-resistant glass fiber reinforced PA66 ordinary rail gauge block material and its preparation, can solve the problems of high water absorption, high cost, poor dimensional stability, etc., and achieve strong hydrolysis resistance , Reduce water absorption, good impact resistance

Active Publication Date: 2018-12-18
GUANGDONG SHUNDE SHUNYAN NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing nylon materials used for ordinary railway track gauge blocks have high cost, high water absorption, poor dimensional stability, water resistance, weather resistance and other properties need to be further improved, so there is an urgent need for adaptive modification of nylon materials

Method used

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  • Weatherproof glass fiber reinforced PA66 common railway track gauge block material and preparation method thereof
  • Weatherproof glass fiber reinforced PA66 common railway track gauge block material and preparation method thereof
  • Weatherproof glass fiber reinforced PA66 common railway track gauge block material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1. A kind of weather-resistant glass fiber reinforced PA66 general railway track gauge block material

[0031] The weather-resistant glass fiber reinforced PA66 ordinary rail gauge block material is composed of the following components and their weight percentages: PA66 resin 39.0%, PA6T resin 10.0%, antioxidant 1.0%, lubricant 0.5%, inorganic filler 10.0% , toughening agent 2.0%, weathering agent 0.5%, glass fiber 37%; Described antioxidant is made up of antioxidant 1010 and antioxidant 1098 by weight ratio 3:5; Described lubricant is silicone; Described The toughening agent is a toughening agent POE; the inorganic filler is a particle size of 600 mesh glass beads; the weather resistance agent is 2'-(2'-hydroxyl-3'-tert-butyl-5'-methylbenzene base)-5-chlorobenzotriazole.

[0032] Preparation:

[0033] S1 Mix PA66 resin, PA6T resin, antioxidant, lubricant, inorganic filler, toughening agent and weathering agent at a speed of 700r / min for 3 minutes to obtain...

Embodiment 2

[0035] Embodiment 2, a weather-resistant glass fiber reinforced PA66 ordinary railway track gauge block material

[0036]The weather-resistant glass fiber reinforced PA66 ordinary rail gauge block material is composed of the following components and their weight percentages: PA66 resin 52.8%, PA6T resin 5.0%, antioxidant 0.6%, lubricant 0.3%, inorganic filler 5.0% , toughening agent 1.0%, weathering agent 0.3%, glass fiber 35%; Described antioxidant is made up of antioxidant 1010 and antioxidant 1098 by weight ratio 5:3; Described lubricant is OP wax; Described The toughening agent is toughening agent POE; the inorganic filler is glass microspheres with a particle size of 3000 mesh; 5-Chlorobenzotriazole.

[0037] Preparation:

[0038] S1 Mix PA66 resin, PA6T resin, antioxidant, lubricant, inorganic filler, toughening agent and weathering agent at a rotating speed of 900r / min for 6 minutes to obtain a mixture;

[0039] S2 Add glass fibers to the mixture obtained in step S1,...

Embodiment 3

[0040] Embodiment 3, a weather-resistant glass fiber reinforced PA66 ordinary railway track gauge block material

[0041] The weather-resistant glass fiber reinforced PA66 ordinary rail gauge block material is composed of the following components and their weight percentages: PA66 resin 46.1%, PA6T resin 7.0%, antioxidant 0.7%, lubricant 0.3%, inorganic filler 8.0% , toughening agent 1.6%, weathering agent 0.3%, glass fiber 36%; Described antioxidant is made up of antioxidant 1010 and antioxidant 1098 by weight ratio 3:4; Described lubricant is silicone; Described The toughening agent is toughening agent POE; the inorganic filler is glass microspheres with a particle size of 1500 mesh; the weather resistance agent is 2-hydroxyl-4-n-octyloxybenzophenone.

[0042] Preparation:

[0043] S1 Mix PA66 resin, PA6T resin, antioxidant, lubricant, inorganic filler, toughening agent and weathering agent at a rotating speed of 800r / min for 5 minutes to obtain a mixture;

[0044] S2 Add ...

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Abstract

Belonging to the technical field of macromolecular materials, the invention in particular relates to a weatherproof glass fiber reinforced PA66 common railway track gauge block material and a preparation method thereof. The weatherproof glass fiber reinforced PA66 common railway track gauge block material provided by the invention includes the following components by weight percentage: 39.0-52.8%of PA66 resin, 5.0-10.0% of PA6T resin, 0.6-1.0% of an antioxidant, 0.3-0.5% of a lubricant, 5.0-10.0% of inorganic filler, 1.0-2.0% of a toughening agent, 0.3-0.5% of a weathering agent, and 35-37% of glass fiber. The weatherproof glass fiber reinforced PA66 common railway track gauge block material provided by the invention has the characteristics of low cost and excellent comprehensive performance, and meets the high standard requirements of track gauge blocks. The weatherproof glass fiber reinforced PA66 common railway track gauge block material provided by the invention has low water absorption, good water resistance and excellent dimensional stability, and improves the product lifetime.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a weather-resistant glass fiber reinforced PA66 ordinary rail gauge block material and a preparation method thereof. Background technique [0002] The development of society is inseparable from the birth of the railway. China is a country with a large population in the world. With the rapid development of the economy and the strengthening of foreign exchanges, the number of floating people at home and abroad is increasing day by day. The train has become one of the important means of transportation for the masses. The convenient, fast and economical way of travel is welcomed by more and more people. The development of the railway is changing with each passing day, which facilitates people's travel, but this contribution is not only due to the railway, many of its components also play a great role, such as: gauge blocks, gauge blocks are used to connect rail...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L83/04C08L23/08C08K13/04C08K7/14C08K5/134C08K7/20C08K5/132C08K5/3475
CPCC08L77/06C08L2201/08C08L2205/025C08L2205/035C08L83/04C08L23/0815C08K13/04C08K7/14C08K5/1345C08K7/20C08K5/132C08K5/3475
Inventor 魏毅张钊鹏吴培新张平肖雄伟
Owner GUANGDONG SHUNDE SHUNYAN NEW MATERIALS
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