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Super-tough nylon and preparation method thereof

A nylon and super-tough technology, applied in the field of preparing the above-mentioned super-tough nylon, can solve the problems of difficulty in meeting the requirements of dimensional stability, easy to produce deformation, etc., so as to improve dimensional stability, reduce molding shrinkage, increase rigidity and dimensional stability Effect

Active Publication Date: 2009-11-11
广东顺威赛特工程塑料开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When preparing products with relatively large wall thickness or large pieces, deformation is easy to occur, and it is difficult to meet the occasions that require high dimensional stability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Take the following components by weight percentage:

[0021] Nylon 6 55%

[0022] Ultra-fine barium sulfate 20%

[0023] POE-g-MAH 24%

[0024] Antioxidant 1010 0.1%

[0025] Antioxidant 168 0.5%

[0026] Lubricant TAF 0.4%

[0027] Mix nylon 6 resin, ultra-fine barium sulfate, POE-g-MAH, antioxidant 1010, antioxidant 168, and lubricant TAF fully and evenly under a high-speed mixer. The speed of the high-speed mixer is 300 rpm. The final material is put into the twin-screw extruder, the screw speed is 200 rpm, the material is fully melted and compounded in the twin-screw extruder, extruded through the head, drawn, cooled in the cooling tank, and passed through the cutting machine Cut into pellets and dry in a vacuum box at 80°C for 24 hours to obtain the product of the present invention.

Embodiment 2

[0029] Take the following components by weight percentage:

[0030] Nylon 6 64%

[0031] Ultra-fine barium sulfate 15%

[0032] POE-g-MAH 20%

[0033] Antioxidant 1010 0.2%

[0034] Antioxidant 168 0.3%

[0035] Lubricant TAF 0.5%

[0036] Mix nylon 6 resin, ultra-fine barium sulfate, POE-g-MAH, antioxidant 1010, antioxidant 168, and lubricant TAF fully and evenly under a high-speed mixer. The speed of the high-speed mixer is 300 rpm. The final material is put into the twin-screw extruder, the screw speed is 200 rpm, the material is fully melted and compounded in the twin-screw extruder, extruded through the head, drawn, cooled in the cooling tank, and passed through the cutting machine Cut into pellets and dry in a vacuum box at 80°C for 24 hours to obtain the product of the present invention.

[0037] Example 2

[0038] Take the following components by weight percentage:

[0039] Nylon 6 75%

[0040] Ultra-fine barium sulfate 5%

[0041] POE-g-MAH 19%

[0042] Ant...

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PUM

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Abstract

The invention discloses super-tough nylon. The super-tough nylon is characterized by comprising the following components by weight: 55 to 75 percent of nylon 6, 5 to 15 percent of ultra-fine barium sulfate, 10 to 20 percent of POE-g-MAH, 0.1 to 0.3 percent of antioxidant 1010, 0.2 to 0.5 percent of antioxidant 168, and 0.3 to 0.7 percent of lubricant TAF. A method for preparing the super-tough nylon is characterized by comprising the following steps that the nylon 6 resin, the ultra-fine barium sulfate, the POE-g-MAH, the antioxidant 1010, the antioxidant 168 and the lubricant TAF are mixed well, put into a double-screw extruder, fully melted and compounded in the double-screw extruder, extruded through a nose, pulled into strips, cooled, palletized, dried and packaged. The invention aims to overcome the deficiencies of the prior art and provide the super-tough nylon with low mold shrinkage and good dimensional stability. Another aim of the invention is to provide a method for preparing the super-tough nylon.

Description

technical field [0001] The invention relates to a super-tough nylon, in particular to a super-tough nylon with low molding shrinkage and good dimensional stability, and also relates to a method for preparing the super-tough nylon. Background technique [0002] Polyamide (commonly referred to as nylon) is the base resin with the largest output, the most variety, the widest application and excellent comprehensive performance among the five general-purpose engineering plastics. Nylon has outstanding performance in terms of bending strength, wear resistance, creep resistance, electrical properties, etc., but most nylon varieties are not ideal in low temperature resistance and toughness, so it affects the application in outdoor applications such as railway equipment and auto parts. . [0003] As a major variety of modified nylon, super-tough nylon is mainly prepared by adding rubber elastomer, thermoplastic elastomer, metallocene polyolefin, etc., and blending through a twin-scr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/00C08K13/02C08K3/30B29B9/06
Inventor 王成望汪克风陶巍刘志忠
Owner 广东顺威赛特工程塑料开发有限公司
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