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Glass fiber reinforced nylon 66 composite material for panel of dish-washing machine and preparation method thereof

A composite material and dishwasher technology, applied in the field of nylon 66 composite materials, can solve the problems of unstable mechanical properties of materials, easy warpage and deformation of panels, dimensional stability, etc., and achieve the effect of solving compatibility problems.

Inactive Publication Date: 2015-12-02
NINGBO EAGLE NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a glass fiber reinforced nylon 66 composite material for the dishwasher panel and its preparation method, which solves the problem of flat shaping under high temperature and high humidity conditions when the nylon 66 composite material is used for the dishwasher panel in the prior art The panel is easy to warp and deform, and the dimensional stability and mechanical properties of the material are not stable.

Method used

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  • Glass fiber reinforced nylon 66 composite material for panel of dish-washing machine and preparation method thereof
  • Glass fiber reinforced nylon 66 composite material for panel of dish-washing machine and preparation method thereof

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preparation example Construction

[0035] figure 1 A glass fiber reinforced nylon 66 composite material for a dishwasher panel is shown, and its preparation method includes the following steps:

[0036] Step 1 (S1), take by weight nylon 66 resin, nylon anti-hydrolysis agent, antioxidant, lubricant, nucleating agent;

[0037] Step 2 (S2), placing the nylon 66 resin in an oven at 100° C. to dry for 3-4 hours, so that its moisture content is less than 3‰;

[0038] Step 3 (S3), adding nylon 66 resin, nylon anti-hydrolysis agent, antioxidant, lubricant, and nucleating agent to the high-speed mixer, stirring and mixing to obtain a mixture, and the stirring speed of the high-speed mixer is 1480 rev / min, The stirring time is 5min;

[0039] In step 4 (S4), the alkali-free chopped hydrolysis-resistant glass fibers with a diameter of 10 μm and a length of 3 mm are ground and subjected to surface silane treatment to obtain broken glass fibers. The average length of the broken glass fibers is 100 μm, and the surface treatm...

Embodiment 1

[0043] Add 76.9kg of dried nylon 66 resin, 0.15kg of antioxidant 1098, 0.15kg of antioxidant 1010, 0.5kg of nylon anti-hydrolysis agent, 0.2kg of silicone powder, and 0.1kg of talcum powder to the high-speed mixer. Set to 1480 rev / min, stirring time is 5min, stir evenly, then weigh 10kg flat chopped glass fiber and 10kg broken glass fiber respectively and add, according to the above three materials (stirring mixture, flat chopped glass fiber, broken glass fiber ) in the mass ratio of 80:10:10 for material addition in the weight loss metering system. Feeding is carried out according to the mass ratio of the above mixing, extruded and pelletized through a twin-screw extruder.

Embodiment 2

[0045] Add 66.8kg of dried nylon 66 resin, 0.3kg of antioxidant 1098, 0.3kg of antioxidant 1010, 0.8kg of nylon anti-hydrolysis agent, 1.5kg of silicone masterbatch, and 0.2kg of adipamide dimer to the high-speed mixer , the rotating speed of the high-speed mixer is set to 1480 rpm, and the stirring time is 5 minutes. After stirring evenly, 15kg of flat chopped glass fibers and 15 kg of broken glass fibers were weighed and added. According to the above three materials (stirred mixture, flat chopped glass fiber The mass ratio of , broken glass fiber) is added in the weight loss metering system, and the ratio is 70:15:15. Feeding is carried out according to the mass ratio of the above mixing, extruded and pelletized through a twin-screw extruder.

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Abstract

The invention relates to a nylon 66 composite material, especially to a glass fiber reinforced nylon 66 composite material for a panel of a dish-washing machine and a preparation method thereof. The material is composed of, by weight, 66.8 to 76.9% of nylon 66 resin, 10 to 15% of flat short cut glass fiber, 10 to 15% of cullet fiber, 0.5 to 0.8% of a nylon anti-hydrolysis agent, 0.3 to 0.6% of an anti-oxidant, 0.2 to 1.5% of a lubricant and 0.1 to 0.2% of a nucleating agent. According to the invention, through combined action of a variety of functional auxiliary agents, the special cullet fiber and the flat short cut glass fiber and adoption of special twin-screw extrusion technology, the problems of surface warping and surface floating fibers of the glass fiber reinforced nylon 66 composite material and problems in adhesion between a product and glass cement are overcome, and dimensional stability and mechanical property stability of the glass fiber reinforced nylon 66 composite material in a high-temperature humid environment are guaranteed.

Description

technical field [0001] The invention relates to a nylon 66 composite material, in particular to a glass fiber reinforced nylon 66 composite material for a dishwasher panel and a preparation method thereof. Background technique [0002] With the improvement of people's demand for quality life and the evolution of the concept of healthy life, various functional kitchens have entered the machine age in an all-round way. Intelligent kitchen appliances must meet the following characteristics: simple installation, space saving, use efficiency, and convenient operation. In order to achieve the above functions, the demand for high-performance engineering plastics for intelligent kitchen appliances continues to increase, and nylon 66, as one of the general engineering plastics, has high rigidity and creep resistance, high impact resistance, and high thermal stability. It has the characteristics of high resistance, high wear resistance, high chemical resistance, good electrical prope...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L83/04C08L77/00C08K13/06C08K9/06C08K7/14C08K5/20C08K5/134C08K3/36C08K3/34C08J5/08B29C47/60
CPCC08L77/06B29C48/505C08J5/08C08J2377/06C08J2477/00C08J2483/04C08K2201/003C08K2201/004C08K2201/014C08K2201/016C08L2205/03C08L77/00C08L83/04C08K13/06C08K9/04C08K7/14C08K5/20C08K5/1345C08K3/34C08K3/36
Inventor 陆建华蒋东升
Owner NINGBO EAGLE NEW MATERIAL
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