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Polycaprolactam composite material and preparation method thereof

A technology of polycaprolactam and composite materials, which is applied in the field of polycaprolactam composite materials and its preparation, to achieve the effect of high gloss

Inactive Publication Date: 2013-12-04
ANHUI KEJU NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology allows for making strong materials with good appearance without requiring expensive processes like plasma copper or other metal deposition techniques that are often necessary during production process. It also eliminates any issues associated with traditional methods involving chrome plating on certain parts made from these composites due to their low melting point compared to some polymers commonly found inside them. These technical benefits make it possible to use this type of composition effectively in different applications where electrical conductivity needs to meet specific requirements.

Problems solved by technology

This patented technical problem addressed by BP describes how current methods are expensive or can damage people's health when they immerse certain types of polymer films into water containing chemical agents like alcohols called amines.

Method used

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  • Polycaprolactam composite material and preparation method thereof

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[0022] The embodiment of the present invention also provides a preparation method of the above-mentioned polycaprolactam composite material. The method includes the following steps: weighing polycaprolactam 100, mineral filler 10-30, polylaurolactam 10-25, anti- Oxygen agent 0.3-0.5 and compatibilizer 3-8, and mix uniformly; melt and extrude the uniformly mixed material, and granulate. Wherein, when the polycaprolactam, the mineral filler, the polylaurolactam, the antioxidant and the compatibilizer are mixed, a processing aid is also added, which is 0.2-0.4 in parts by weight. The polycaprolactam, mineral filler, polylaurolactam, antioxidant, processing aid and compatibilizer are mixed at high speed for 10 to 15 minutes to make them uniform; the uniformly mixed materials are extruded by twin-screw Melt extrusion and granulation; the working parameters of the twin-screw extruder are: the temperature of the first zone is 210-230°C, the temperature of the second zone is 230-260°C...

Embodiment 1

[0027] The polycaprolactam composite material provided by the embodiment of the present invention comprises the following components in parts by weight: polycaprolactam PA6100, mineral filler 10, polylaurolactam PA1210, antioxidant 0.3, processing aid 0.2, compatibilizer 3.

[0028] The preparation method of the polycaprolactam composite material provided by the embodiment of the present invention comprises the following steps: take polycaprolactam, mineral filler, polylaurolactam, antioxidant, processing aid and compatibilizer according to the above parts by weight, and then Mix in a high-speed mixer for 10 minutes, then extrude through a twin-screw extruder and granulate. The working parameters of the twin-screw extruder are: the temperature of the first zone is 210-230°C, the temperature of the second zone is 230-260°C, the temperature of the third zone is 240-265°C, the temperature of the fourth zone is 235-250°C, the temperature of the fifth zone is The temperature is 24...

Embodiment 2

[0030] The polycaprolactam composite material provided by the embodiment of the present invention comprises the following components in parts by weight: polycaprolactam PA6100, mineral filler 15, polylaurolactam PA1214, antioxidant 0.4, processing aid 0.3, compatibilizer 4.

[0031] The preparation method is the same as in Example 1.

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Abstract

The invention belongs to the technical field of composite materials, and provides a polycaprolactam composite material and a preparation method thereof. The polycaprolactam composite material comprises the following compositions in parts by weight: 100 parts of polycaprolactam, 10-30 parts of a mineral filling agent, 10-25 parts of PA 12, 0.3-0.5 part of antioxygen, and 3-8 parts of compatilizer, wherein the mineral filling agent comprises the following compositions in parts by weight: 7-9 parts of silicate compound reinforced fiber crystal whisker, 3-5 parts of Cab-O-sil, and 5-7 parts of barium sulfate. According to the invention, during the preparation of the polycaprolactam composite material, the mineral filling agent mainly formed by the silicate compound reinforced fiber crystal whisker, the Cab-O-sil and the barium sulfate is doped, the surface gloss of the polycaprolactam composite material is high, and prime coating and soaking are not needed before electroplating, so that the polycaprolactam composite material can be widely applied to various electroplated products, especially electric appliance shells such as automobile headlamps.

Description

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Claims

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Application Information

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Owner ANHUI KEJU NEW MATERIALS
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