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High-gloss, high-fluidity and high-content glass fiber reinforced nylon material and preparation method thereof

A technology with high content of glass fiber and high fluidity, which is applied in the field of polymer materials, can solve the problems of nylon infiltration, serious floating fibers on the surface, and difficulty in effectively improving the overall performance, and achieve the effect of high fluidity

Inactive Publication Date: 2014-12-10
FOSHAN SHUNDE NAN KAI NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, glass fiber-reinforced nylon is expected to be used to replace metals, but it suffers from increased glass fiber content, serious floating fibers on the surface, and it is difficult to effectively improve the overall performance
CN 103087515A and CN 103436008A improve the floating fiber phenomenon through melt polymerization, coupling agent, interface compatibilizer and anti-floating fiber additive, but still cannot make nylon completely infiltrate glass fiber, the gloss is low, and it cannot be used for the preparation of high surface requirements The product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] First dry the branched nylon 6 resin at 80°C, and control the moisture below 0.1%; weigh 43kg of the branched nylon 6 resin, 0.5kg each of antioxidant Irganox 168 and Irganox 1098, and 1kg of bright lubricant, and mix them at room temperature After uniformity, add to the twin-screw extruder; take 55kg of glass fiber and add it from the glass fiber port of the fifth zone, after extrusion, cool, dry, and pelletize to prepare a high-gloss, high-fluidity, high-content glass fiber reinforced nylon material.

[0026] The processing conditions of the twin-screw extruder are: the temperature of the first zone is 245°C, the temperature of the second zone is 250°C, the temperature of the third zone is 255°C, the temperature of the fourth zone is 260°C, the temperature of the fifth zone is 265°C, the temperature of the sixth zone is 265°C, and the temperature of the seventh zone is 265°C ℃, the temperature in the eighth zone is 270°C, the temperature in the ninth zone is 275°C, and...

Embodiment 2

[0028] First dry the branched nylon 6 resin at 80°C, control the moisture below 0.1%; weigh 37.7kg of the branched nylon 6 resin, 0.4kg each of antioxidant Irganox 168 and Irganox 1098, 1.5kg of bright lubricant, at room temperature After mixing evenly, add to the twin-screw extruder; take 60kg of glass fiber and add it from the glass fiber port of the fifth zone, cool, dry, and pelletize after extrusion to prepare a high-gloss, high-fluidity, high-content glass fiber-reinforced nylon material.

[0029] The processing conditions of the twin-screw extruder are: the temperature of the first zone is 255°C, the temperature of the second zone is 260°C, the temperature of the third zone is 265°C, the temperature of the fourth zone is 270°C, the temperature of the fifth zone is 275°C, the temperature of the sixth zone is 275°C, and the temperature of the seventh zone is 275°C ℃, the temperature in the eighth zone is 280°C, the temperature in the ninth zone is 285°C, and the speed of t...

Embodiment 3

[0031] First dry the branched nylon 6 resin at 80°C, and control the moisture below 0.1%; weigh 32.5kg of the branched nylon 6 resin, 0.25kg each of the antioxidant Irganox 168 and Irganox 1098, and 2kg of the bright lubricant. After mixing evenly, add it into a twin-screw extruder; take 65kg of glass fiber and add it from the glass fiber port of the fifth zone, after extrusion, cool, dry, and pelletize to prepare a high-gloss, high-fluidity, high-content glass fiber-reinforced nylon material.

[0032] The processing conditions of the twin-screw extruder are: the temperature of the first zone is 250°C, the temperature of the second zone is 255°C, the temperature of the third zone is 260°C, the temperature of the fourth zone is 265°C, the temperature of the fifth zone is 270°C, the temperature of the sixth zone is 270°C, and the temperature of the seventh zone is 270°C ℃, the temperature in the eighth zone is 270°C, the temperature in the ninth zone is 280°C, and the speed of th...

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Abstract

The invention discloses a high-gloss, high-fluidity and high-content glass fiber reinforced nylon material and a preparation method thereof. The high-content glass fiber reinforced nylon 6 composite is prepared from branched nylon 6 resin, glass fiber, an antioxidant and a brightening lubricant. According to the high-content glass fiber reinforced nylon 6 composite, the nylon 6 resin is completely infiltrated in the glass fiber, so that the nylon material has high fluidity and high surface gloss, can replace metals, and can also be used for producing ultra-thin and complicatedly designed shells of mechano-electronic and auto parts.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a high-gloss, high-fluidity, high-content glass fiber reinforced nylon 6 composite material and a preparation method thereof. Background technique [0002] As an excellent engineering plastic, nylon material has excellent mechanical properties such as tensile properties, bending properties, and compressive strength, as well as excellent low temperature properties, stable chemical properties, good mechanical properties, superior electrical insulation properties, small specific gravity, and easy processing. Forming, self-extinguishing, good wear resistance, widely used in automobiles, electronic appliances, chemicals, mechanical instruments, construction and other industries. However, it has high water absorption, poor acid resistance, low dry and low temperature impact strength, and easy deformation after water absorption, which affects the dimensional stabi...

Claims

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Application Information

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IPC IPC(8): C08L77/02C08K13/06C08K9/06C08K7/14C08K5/20C08K5/526C08J5/08B29B9/06B29C47/92B29C48/92
CPCC08K13/06B29C48/92B29C2948/92704C08J5/08C08J2377/02C08K5/18C08K5/526C08K7/14C08K9/06C08L2201/08C08L2203/20C08L77/02
Inventor 黄达成何辉黄代鹏
Owner FOSHAN SHUNDE NAN KAI NEW MATERIAL
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