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Low temperature resistance stained glass fiber reinforcement nylon 6 and preparation method thereof

A glass fiber, low temperature resistant technology, applied in the field of low temperature resistant colored glass fiber reinforced nylon 6 material, can solve the problems of material performance decline, uneven color dispersion, glass fiber, etc., and achieve good performance, uniform distribution and bright color. Effect

Active Publication Date: 2012-06-13
SHANGHAI KINGFA SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the toner is very prone to uneven color dispersion in the reinforced and toughened system, and the addition of toner is likely to cause the interface separation between the glass fiber, the toughening agent and the nylon 6 resin, the performance of the material is significantly reduced. especially at low temperatures

Method used

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  • Low temperature resistance stained glass fiber reinforcement nylon 6 and preparation method thereof

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preparation example Construction

[0036] The preparation method of the toughening agent is: weigh 72.5kg of POE, 22.5kg of polyethylene, 4.65 kg of maleic anhydride, 0.35 kg of 1,4-bis-tert-butylperoxycumene; After the toric anhydride and peroxide are uniformly mixed in a high-speed mixer, they are blended and extruded by a twin-screw extruder to obtain a toughening agent. The processing conditions of the twin-screw extruder are: the temperature of the first zone is 160°C, the temperature of the second zone is 170°C, the temperature of the third zone is 170°C, the temperature of the fourth zone is 180°C, the temperature of the fifth zone is 190°C, and the temperature of the sixth zone is 190°C ℃, the temperature in the seventh zone is 190 ℃, the temperature in the eighth zone is 180 ℃, and the temperature in the ninth zone is 170 ℃; the residence time is 2 minutes, and the speed of the main engine is 240 rpm.

[0037] The preparation method of the composite dye is as follows: take 78.5 kg of PA nylon 6 with a ...

Embodiment 1

[0039] Weigh 63.5kg of PA6 M2400, 5kg of POE, 30kg of glass fiber, 1.2kg of composite dye, and 0.3kg of antioxidant, add it to a high-speed mixer and mix evenly at room temperature. Then, the above mixture is fed into a twin-screw extruder, cooled, dried and pelletized after extrusion. The processing conditions of the twin-screw extruder are: the temperature of the first zone is 220°C, the temperature of the second zone is 230°C, the temperature of the third zone is 240°C, the temperature of the fourth zone is 240°C, the temperature of the fifth zone is 250°C, the temperature of the sixth zone is 250°C, and the temperature of the seventh zone is 245 ℃, the temperature in the eighth zone is 235°C, and the temperature in the ninth zone is 220°C; the residence time is 2 minutes, and the speed of the host is 300 rpm.

Embodiment 2

[0041] Weigh 61kg of PA6 M2400, 7kg of POE, 30kg of glass fiber, 1.7kg of composite dye, and 0.3kg of antioxidant, add them into a high-speed mixer and mix well at room temperature. Then, the above mixture is fed into a twin-screw extruder, cooled, dried and pelletized after extrusion. The processing conditions of the twin-screw extruder are: the temperature of the first zone is 220°C, the temperature of the second zone is 230°C, the temperature of the third zone is 240°C, the temperature of the fourth zone is 240°C, the temperature of the fifth zone is 250°C, the temperature of the sixth zone is 250°C, and the temperature of the seventh zone is 245 ℃, the temperature in the eighth zone is 235°C, and the temperature in the ninth zone is 220°C; the residence time is 2 minutes, and the speed of the host is 300 rpm.

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Abstract

The invention discloses low temperature resistance stained glass fiber reinforcement nylon 6 and a preparation method thereof. The low temperature resistance stained glass fiber reinforcement nylon 6 is characterized by being composed of 40-75% of nylon 6, 15-35% of glass fibre, 5-20% of flexibilizer, 0.5-5% of composite dye and 0.1-0.5% antioxygen according to percentages by weight. The preparation method comprises enabling the nylon 6, the flexibilizer, the composite dye and the antioxygen to be evenly mixed and added in a twin-screw extruder, enabling the glass fibre to be added at the position of a dedicated glass fibre port, and cooling, dying and sized dicing after extrusion. The low temperature resistance stained glass fiber reinforcement nylon 6 has the advantages of being bright in color, even in distribution and good in property retention, has good color uniformity, has good toughening balance under normal temperature, and has excellent impact property under low temperature, and the combination property is close to natural color materials.

Description

technical field [0001] The invention relates to a low-temperature-resistant colored glass fiber reinforced nylon 6 material, which belongs to the technical field of polymer materials. Background technique [0002] In daily life, the plastic products we use are colorful products, which provide great visual enjoyment and fun to our life. The most basic colors are red, yellow and blue. Almost all colors are It is realized on the basis of three primary colors. Nylon 6 is a kind of engineering plastic with a wide range of uses. It is obtained by ring-opening polymerization of caprolactam. Its melting point is 215-225°C and its service temperature range is -40°C-150°C. Due to the influence of temperature and environment on ordinary nylon 6, Performance will vary greatly, so its application is greatly limited. Therefore, it can be modified by coloring, strengthening and toughening to make it uniform in color, excellent in color and luster, and its comprehensive performance can be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L51/06C08K13/06C08K9/00C08K7/14C08K3/30C08K3/04C08K3/22B29C47/92B29C48/92
CPCB29C48/04B29C48/40
Inventor 张永雷岳文张现军
Owner SHANGHAI KINGFA SCI & TECH
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