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Nylon alloy with high thermal deformation resistance and preparation method thereof

A technology with deformation performance and high heat resistance, applied in the field of nylon alloys, it can solve the problems of easy deformation, weak resistance, intolerant of alcohol ether compounds, etc., and achieve the effects of good toughness, light weight and good mechanical properties.

Active Publication Date: 2012-01-25
徐州峰登农业开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although nylon material is stronger and tougher than other engineering plastic materials, it also has various disadvantages, such as weak resistance to acid and other chlorinating agents, intolerant to alcohol ether compounds, and easy Deformation, etc.

Method used

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  • Nylon alloy with high thermal deformation resistance and preparation method thereof
  • Nylon alloy with high thermal deformation resistance and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1 is based on the amount of nylon alloy, the following components by weight percentage: polyhexamethylene adipamide 40%, polypropylene 15%, compatibilizer 8%, antistatic agent 2% in the mixer Mix evenly, add extruder to granulate, mix evenly at 203-250°C, cut into pellets by plastic cutter; add 35% glass fiber to the pellets, mix evenly, and melt at 240-260°C After mixing, the modified nylon alloy was cut into pellets by a cutting machine, and the performance test of the product was carried out. The physical parameters are shown in Table 1, and the data on the penetration of alcohol and ether solvents are shown in Table 2.

Embodiment 2

[0023] Embodiment 2 is based on the amount of nylon alloy, the following components by weight percentage: polyhexamethylene adipamide 60%, polypropylene 8%, compatibilizer 4%, antistatic agent 3% in the mixer Mix evenly, add to the extruder to granulate, mix evenly at 220-240°C, cut into pellets by a plastic cutter, and cut into pellets by a plastic cutter; add 25% of glass fiber to the pellets, mix uniform, and then melted and blended at 240-260 ° C, cut into pellets by a cutting machine to obtain a modified nylon alloy, and the performance test of the product was carried out.

Embodiment 3

[0024] Embodiment 3 is based on the amount of nylon alloy, the following components by weight percentage: 45% of polyhexamethylene adipamide, 12% of polypropylene, 7% of compatibilizer, and 4% of antistatic agent in the mixer Mix evenly, add to the extruder to granulate, mix evenly at 203-250°C, cut into pellets by a plastic cutter; add 32% glass fiber to the pellets, mix evenly, and then add to the extruder, After melting and blending at 240-260°C, it is cut into pellets by a cutting machine to obtain a modified nylon alloy, and the performance test of the product is carried out.

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Abstract

The invention which relates to a nylon alloy with high thermal deformation resistance and a preparation method thereof belongs to the technical field of nylon alloys. The nylon alloy (by nylon alloy) comprises the following components, by weight, 40-60% of polyhexamethylene adipamide, 8-15% of polypropylene, 25-35% of a glass fiber, 4-8% of a compatilizer, and 2-4% of an antistatic agent, and thenylon alloy is prepared through carrying out extrusion granulation on the components. The glass fiber which is added in the invention allows the mechanical performance of polyhexamethylene adipamide to be improved, so the shrinkage of the nylon alloy is reduced to 0.2-1% from 1-2%; and the compatilizer maleic anhydride graft copolymer which is added in above formula allows the density, the melting point, the elastic modulus and the like of the nylon alloy to be improved, so the nylon alloy of the invention which is a nylon alloy with alcohol and ether resistance and high thermal deformation resistance receives good graces of users.

Description

technical field [0001] The invention belongs to the technical field of nylon alloys, and in particular relates to a nylon alloy modified plastic with alcohol and ether resistance and high thermal deformation performance and a preparation method thereof. Background technique [0002] Nylon alloy is a general-purpose engineering plastic with excellent comprehensive properties. It has excellent mechanical properties and has the advantages of resistance to molybdenum, solvents, and oil. It is widely used in various industries, and it is increasingly used in machinery manufacturing, electronic appliances, and transportation. The more extensive, and the great concern of the majority of users. In recent years, the main development direction of polymer materials is more and more high performance. Although nylon material is stronger and tougher than other engineering plastic materials, it also has various disadvantages, such as weak resistance to acid and other chlorinating agents, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L23/12C08L51/06C08K13/04C08K7/14C08K3/04B29B9/06B29C47/92B29C48/92
CPCB29C48/04
Inventor 王光辉
Owner 徐州峰登农业开发有限公司
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