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Long glass fiber-nylon resin composition and preparation method thereof

A nylon resin and composition technology, which is applied in the field of long glass fiber nylon resin composition and its preparation, can solve the problems of easy corrosion by acid and alkali, weak heat resistance, oxidation, etc., and achieves low equipment requirements and good rigidity , the effect of simple principle

Inactive Publication Date: 2013-09-04
SHENZHEN XINGSHENGDI NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditionally prepared nylon resin composition has poor heat resistance, is easy to age, oxidize, and is easily corroded by acid and alkali, which limits its further application.

Method used

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  • Long glass fiber-nylon resin composition and preparation method thereof
  • Long glass fiber-nylon resin composition and preparation method thereof
  • Long glass fiber-nylon resin composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The content of the components involved in this embodiment is given according to the content specified in Table 1.

[0023] Step 1. Add nylon resin, toughening agent, flow agent, and antioxidant into the mixer, and stir to form a uniform first mixture, and dry the first mixture at a temperature of T1 for 4-6 hours .

[0024] Step 2, adding the first mixture into a twin-screw extruder, controlling the screw speed and the temperature of the twin-screw extruder; The glass fiber and the first mixture are at a screw speed of V, and the temperature of the first zone of the twin-screw extruder is T2, the temperature of the second zone is T3, the temperature of the third zone is T4, the temperature of the fourth zone is T5, and the temperature of the fifth zone is T6. Melting under conditions, mixing uniformly, extruding, stretching, cooling, air-drying, and pelletizing to obtain long glass fiber nylon resin composition particles.

[0025] The long glass fiber nylon resin comp...

Embodiment 2

[0027] The method of Example 1 was repeated according to the content of each component specified in Table 1, and the properties of the long glass fiber nylon resin composition particles prepared in this example were measured according to the standards described in Table 1. See Table 1 for the measurement results.

Embodiment 3

[0029] The method of Example 1 was repeated according to the content of each component specified in Table 1, and the properties of the long glass fiber nylon resin composition particles prepared in this example were measured according to the standards described in Table 1. See Table 1 for the measurement results.

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Abstract

The invention discloses a long glass fiber-nylon resin composition and a preparation method thereof. The long glass fiber-nylon resin composition comprises, by weight, 100 parts of nylon resin, 20 to 30 parts of long glass fibers, 3 to 10 parts of a flexibilizer, 0.5 to 2 parts of a flowable agent, 1 to 2 parts of an anti-oxidant and 2 to 4.5 parts of a heat stabilizer. The preparation method has a simple principle, a low cost, and low equipment requirements. The long glass fiber-nylon resin composition has the advantages of good rigidity, good impact resistance, alkali and acid resistance, aging resistance, oxidation resistance, and weatherability.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a long glass fiber nylon resin composition and a preparation method thereof. Background technique [0002] Nylon resin, that is, polyamide, has excellent mechanical strength, wear resistance, self-lubricating property, corrosion resistance and good processing and molding properties. Base resin with excellent comprehensive properties. However, the traditionally prepared nylon resin composition has poor heat resistance, is prone to aging, oxidation, and corrosion by acid and alkali, which limits its further application. Contents of the invention [0003] The main purpose of the present invention is to provide a long glass fiber nylon resin composition with acid and alkali resistance, good rigidity, anti-aging and anti-oxidation and a preparation method thereof. [0004] The present invention proposes a long glass fiber nylon resin composition, which comprises the following comp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L77/06C08K7/14B29C47/92B29C48/92
CPCB29C48/022B29C48/40
Inventor 许第修段海斌周湘华
Owner SHENZHEN XINGSHENGDI NEW MATERIALS
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