Glass fiber reinforced nylon material and preparation method thereof

A glass fiber and nylon technology is applied in the field of glass fiber reinforced nylon materials and their preparation, which can solve the problems of high torque, high cost of high-end amino nylon, and low processing efficiency, and achieves low torque, improved hydrolysis resistance, and improved processing. The effect of efficiency

Pending Publication Date: 2022-07-08
JIANGSU BOILN PLASTICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] High-end amino-based nylon has high cost, and the additives polycarbodiimide and maleic anhydride modified polyolefin are reactive with nylon, and the torque during modified extrusion is large, resulting in a greatly reduced processing efficiency

Method used

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  • Glass fiber reinforced nylon material and preparation method thereof
  • Glass fiber reinforced nylon material and preparation method thereof
  • Glass fiber reinforced nylon material and preparation method thereof

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preparation example Construction

[0038] For the above glass fiber reinforced nylon material, the present application also provides a preparation method of the glass fiber reinforced nylon material. The preparation method of the glass fiber reinforced nylon material comprises the following steps:

[0039] In parts by weight, 27-89.6 parts of nylon, 0.1-1 part of polyethylene polyamine, 0.1-2.5 parts of other auxiliary agents are uniformly mixed by a mixer to obtain a mixture;

[0040] The mixture is added to a twin-screw extruder for melt blending, and 10-60 parts of glass fibers are added by side feeding to extrude strands;

[0041] The material strip is cut into pellets by a pelletizer, dried by an elevator, and packaged to obtain a finished product.

[0042] Preferably, the extrusion temperature of the strip is 240-320°C,

[0043] Preferably, the screw speed of the twin-screw extruder is 300-700 rpm.

[0044] All the above-mentioned optional technical solutions can be combined arbitrarily to form optiona...

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Abstract

The invention discloses a glass fiber reinforced nylon material, which is prepared from the following raw materials in parts by weight: 27 to 89.6 parts of nylon, 0.1 to 1 part of polyethylene polyamine, 10 to 60 parts of glass fiber and 0.1 to 2.5 parts of other auxiliary agents. The invention also relates to a preparation method of the glass fiber reinforced nylon material, which comprises the following steps: uniformly mixing the nylon, polyethylene polyamine and other auxiliaries through a mixer to obtain a mixture; adding the mixture into a double-screw extruder for melt blending, adding glass fibers through lateral feeding, and extruding a material strip; and pelletizing the material strips through a pelletizer, drying through an elevator, and packaging to obtain a finished product. The glass fiber reinforced nylon material has good hydrolysis resistance, meanwhile, the torque is small when the material is extruded, and the processing efficiency can be improved.

Description

technical field [0001] The present application relates to the technical field of polymer materials, in particular to a glass fiber reinforced nylon material and a preparation method thereof. Background technique [0002] Glass fiber reinforced nylon materials are widely used in various fields of the national economy such as automobiles, electrical appliances, chemicals, aerospace and aviation. In recent years, glass fiber reinforced nylon materials have become more and more widely used in the manufacture of automotive water cooling system components (such as: radiator end grooves, radiator supplementary water bottles, water storage tanks, water pumps, water valves, water jackets, etc.), which requires The glass fiber reinforced nylon material has sufficient hydrolysis resistance to resist the corrosion of antifreeze and road salt, thus avoiding the failure of the automobile cooling system due to the deterioration of the material performance. In addition, glass fiber reinfor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L77/02C08K5/17C08K7/14C08J5/04
CPCC08J5/043C08J2377/02C08J2377/06C08K5/17C08K7/14
Inventor 张文谦赵佰金
Owner JIANGSU BOILN PLASTICS CO LTD
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