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A kind of nylon alloy plastic pipe and its preparation process

A kind of alloy plastic and technology of preparation process, applied in the field of polyamide composition, can solve problems such as uncontrollable alloy material uniformity, poor compatibility of nitrile rubber, etc., and achieve suitable for large-scale industrial mass production, good compatibility, The effect of less defects

Active Publication Date: 2018-06-19
潘海云
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the compatibility of nitrile rubber and nylon in this patent is poor. Although a compatibilizer is added, the uniformity of the alloy material cannot be controlled

Method used

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  • A kind of nylon alloy plastic pipe and its preparation process

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A nylon alloy plastic pipe, characterized in that the raw materials and weight percentages for preparing the nylon alloy plastic pipe are: PA66, 30%, PA610, 25%, PA1010, 25%, PA12, 18.4%, flame retardant, 0.05% , Lubricant, 1%, waterproofing agent, 0.5%, antioxidant, 0.05%.

[0029] The flame retardant is antimony trisulfide. The lubricant is a mixture of carbon black and gypsum powder in a mass ratio of 2:1. The water repellant is polysiloxane. The antioxidant is 2,6-di-tert-butyl-1-methoxy-p-phenol.

Embodiment 2

[0031] A nylon alloy plastic pipe, characterized in that the raw materials and weight percentages for preparing the nylon alloy plastic pipe are: PA66, 45%, PA610, 15%, PA1010, 15%, PA12, 19.9%, flame retardant, 2% , Lubricant, 0.1%, waterproofing agent, 2%, antioxidant, 1%.

[0032] The flame retardant is a mixture of magnesium hydroxide and magnesium stearate in a mass ratio of 1:1. The lubricant is a mixture of graphite, kaolin and talcum powder in a mass ratio of 1:1:1. The waterproofing agent is a mixture of polysiloxane and calcium stearate in a mass ratio of 2:1. The antioxidant is a mixture of titanium dioxide and phosphite in a mass ratio of 1:1.

Embodiment 3

[0034] A nylon alloy plastic pipe, characterized in that the raw materials and weight percentages for preparing the nylon alloy plastic pipe are: PA66, 38%, PA610, 22%, PA1010, 22%, PA12, 15%, flame retardant, 1% , Lubricant, 0.5%, waterproofing agent, 1%, antioxidant, 0.5%.

[0035] The flame retardant is a mixture of ammonium polyphosphate and polyborosiloxane in a mass ratio of 1:2. The lubricant is carbon black. The waterproofing agent is a mixture of aluminum hydroxide, calcium chloride and montmorillonite in a mass ratio of 1:1:1. The antioxidant is a mixture of zinc oxide and diphenylamine in a mass ratio of 1:1.

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Abstract

The invention discloses a nylon alloy plastic pipe and a preparation technology thereof. The nylon alloy plastic pipe is prepared from PA66, PA610, PA1010, PA12, a fire retardant, a lubricant, a waterproof agent and an antioxidant. The preparation technology comprises the steps that raw material resin is weighed accurately, and then drying treatment is performed; the dried raw material resin is subjected to mixing, the fire retardant, the lubricant, the waterproof agent and the antioxidant are added to obtain a mixed melt; the mixed melt is extruded from a hopper, molded at a machine head mouth mold to obtain a continuous body and extruded out of a machine through a screw, and cooling, sizing, traction and stretching are performed to obtain the nylon alloy plastic pipe. The prepared nylon alloy plastic pipe has the excellent water resistance, shrinking resistance, lubricating property, high pressure bearing capacity and thermal stability.

Description

technical field [0001] The invention relates to the field of polyamide compositions, in particular to a nylon alloy plastic pipe and a preparation process thereof. Background technique [0002] Nylon (PA), also known as polyamide, is a general term for thermoplastic resins containing repeated amide groups—[NHCO]—in the main chain of the molecule, including aliphatic PA, aliphatic-aromatic PA and aromatic PA. Plastic pipes made of nylon materials have excellent wear resistance, heat resistance, mechanical strength, elasticity, toughness and bending fatigue resistance. However, due to the characteristics of the molecular structure of polyamide, it has strong hydrophilicity and high water vapor sensitivity. It must be dried before application, which limits the application range of nylon pipes, and the shrinkage of nylon materials is large. , the lubricating performance is poor, the ability to withstand high pressure is low, and the thermal stability is poor. If the nylon pipe ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/06C08L77/02C08L83/04C08L83/08C08K13/02C08K3/22C08K3/04C08K3/30C08K5/098C08K3/32
CPCC08L77/06C08L2201/08C08L2203/18C08L2205/02C08L2205/025C08L2205/035C08L77/02C08L83/04C08K13/02C08K3/2279C08K3/04C08K5/098C08K2003/2224C08L83/08C08K2003/2227C08K3/346C08K3/34
Inventor 潘海云
Owner 潘海云
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