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Macrofiber-reinforced long carbon chain nylon and preparation method thereof

A long fiber, long carbon chain technology, applied in the field of nylon, can solve the problems of low water absorption, dimensional stability and low temperature impact, and achieve the effects of good dimensional stability, improved mechanical properties and low water absorption

Inactive Publication Date: 2013-07-24
安特普工程塑料(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above technical problems, the object of the present invention is to provide a long fiber reinforced long carbon chain nylon and its preparation method, which can effectively solve the problems of strength, modulus, etc. not only reaching the traditional short fiber reinforced nylon products, but also have a more excellent low Water absorption, dimensional stability, low-temperature impact performance, and meet the requirements of low carbon emissions and green materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The long-fiber-reinforced long-carbon chain nylon of this embodiment is composed of the following components in weight percentages: nylon 1010: 49%, long glass fiber: 50%, antioxidant: 0.5%, and lubricant: 0.5%. The particle length of long glass fiber reinforced long carbon chain nylon is 12mm.

[0024] The preparation process is as follows: (1). Mix nylon 1010, antioxidants and lubricants, and mix them thoroughly with a mixer to obtain a mixture;

[0025] (2). Add the mixture to the twin-screw extruder, the molten material is drawn through the die, water-cooled, and pelletized to make the processing aid masterbatch, and then dried for later use. The processing temperature of the mixture is 180-250℃, twin-screw extrusion The number of heating sections of the machine is ten sections, of which one to three sections belong to the conveying section, the processing temperature is 180-210℃, the processing temperature of the fourth to ten sections is 220-250℃, and the screw speed o...

Embodiment 2

[0028] The long-fiber-reinforced long-carbon chain nylon of this embodiment is composed of the following components in weight percentages: nylon 1010: 39%, long glass fiber: 60%, antioxidant: 0.5%, and lubricant: 0.5%. The particle length of long glass fiber reinforced long carbon chain nylon is 12mm.

[0029] The preparation process is as follows: (1). Mix nylon 1010, antioxidants and lubricants, and mix them thoroughly with a mixer to obtain a mixture;

[0030] (2). Add the mixture to the twin-screw extruder, the molten material is drawn through the die, water-cooled, and pelletized to make the processing aid masterbatch, and then dried for later use. The processing temperature of the mixture is 180-250℃, twin-screw extrusion The number of heating sections of the machine is ten sections, of which one to three sections belong to the conveying section, the processing temperature is 180-210℃, the processing temperature of the fourth to ten sections is 220-250℃, and the screw speed o...

Embodiment 3

[0033] The long-fiber-reinforced long-carbon chain nylon of this embodiment is composed of the following components in weight percentages: nylon 1010: 25%, nylon 6: 24%, long glass fiber: 50%, antioxidant: 0.5%, lubricant : 0.5%. The particle length of long glass fiber reinforced long carbon chain nylon is 12mm.

[0034] The preparation process is as follows: (1). Mix nylon 1010, nylon 6, antioxidant and lubricant, and mix them thoroughly with a mixer to obtain a mixture;

[0035] (2). Add the mixture to the twin-screw extruder, the molten material is drawn through the die, water-cooled, and pelletized to make the processing aid masterbatch, and then dried for later use. The processing temperature of the mixture is 180-250℃, twin-screw extrusion The number of heating sections of the machine is ten sections, of which one to three sections belong to the conveying section, the processing temperature is 180-210℃, the processing temperature of the fourth to ten sections is 220-250℃, an...

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Abstract

The invention discloses macrofiber-reinforced long carbon chain nylon and a preparation method of the macrofiber-reinforced long carbon chain nylon. The macrofiber-reinforced long carbon chain nylon comprises the following components in parts by weight: 30-65 percent of nylon 1010, 0-30 percent of nylon 6, 0-30 percent of nylon 66, 30-60 percent of long glass fiber, 0.3-1 percent of an antioxidant and 0.5-2 percent of a lubricating agent. According to the macrofiber-reinforced long carbon chain nylon and the preparation method of the macrofiber-reinforced long carbon chain nylon, the problem that strength, modulus and the like cannot reach those of the traditional staple fiber reinforced nylon product is effectively solved; and meanwhile, the macrofiber-reinforced long carbon chain nylon has more excellent low moisture absorption property, size stability and low-temperature impact property and simultaneously meets the requirements of low-carbon emission and environment-friendly materials.

Description

Technical field [0001] The invention relates to a nylon, in particular to a long fiber reinforced long carbon chain nylon and a preparation method thereof. Background technique [0002] For long carbon chain nylon, there are various modification methods on the market to expand their application fields. These methods usually include mineral soil reinforcement, glass fiber reinforcement, etc., but compared to nylon 6, nylon 66, modified long carbon The relative skewness of the physical and mechanical strength of chain nylons limits some of their applications. The low water absorption and low temperature impact properties of long carbon chain nylons are better than traditional nylon 6, nylon 66. Long fiber reinforced thermoplastic is a new technology and new product that has made breakthroughs in the past two years. It uses continuous glass fiber or carbon fiber as the reinforcing raw material, and uses a special die to mix with resin. The fiber length in the plastic particles is>...

Claims

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Application Information

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IPC IPC(8): C08L77/06C08L77/02C08K9/06C08K7/14C08J5/08B29C47/92B29C48/92
CPCB29C48/40B29C48/875B29C48/92B29C2948/9259B29C2948/92704B29C2948/92885B29C2948/92895
Inventor 冯磊
Owner 安特普工程塑料(苏州)有限公司
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