Nanometer polyamide composition with metal luster and preparation method of nanometer polyamide composition

A technology of polyamide composition and metallic luster, which is applied in the field of nano-polyamide composition and its preparation, can solve the problems of high cost, complex process, and high equipment requirements, and achieve the effect of strong metallic texture, high surface hardness, and low cost

Inactive Publication Date: 2017-11-17
GUANGDONG ALDEX NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Patent CN 102585493 A mainly introduces the preparation method of nano-polyamide material, but does not pay attention to its performance, and the process is complicated and the cost is high
[0003] At present, the main focus of nano-polyamide materials is on the mechanical properties and physical and chemical properties of the material. There is still relatively little attention paid to the application of polyamide materials in the field of non-spraying materials with metallic luster, and the current preparation methods have relatively high requirements for equipment. high

Method used

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  • Nanometer polyamide composition with metal luster and preparation method of nanometer polyamide composition
  • Nanometer polyamide composition with metal luster and preparation method of nanometer polyamide composition
  • Nanometer polyamide composition with metal luster and preparation method of nanometer polyamide composition

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preparation example Construction

[0023] 1. Preparation of nano-polyamide masterbatch: the nano-polyamide masterbatch in Examples 1 to 5 of the present invention is a self-made product, and each material component includes polyamide, nanoparticle, silane coupling agent, dispersion aid, anti- Oxygen and other additives are added to the high-mixing equipment, the temperature is controlled at 80-160°C, stirred for 3-15 minutes, and the speed is 500-2000RP / min, the mixed materials are added through the main feeding port of the twin-screw extruder, and the The temperature is 210-280°C, the vacuum is -0.05~-0.08MPa, the rotation speed is 300-500RP / min and other technological conditions, and the granular nano polyamide masterbatch is obtained through twin-screw extruder melt extrusion and granulation.

[0024] 2. The preparation method of the nano-polyamide composition with metallic luster: Weigh each raw material component by weight, and mix the dried polyamide, nano-polyamide masterbatch, dispersion aid and processi...

Embodiment 1

[0026] A nano polyamide composition with metallic luster, which comprises the following raw material components in parts by weight:

[0027]

[0028] Wherein, the polyamide resin is PA6; The content of the nanoparticles in the nano polyamide master batch is 30%wt, wherein the weight ratio of the nanoparticles in the master batch to the dispersing aid in the master batch is 100:5, then the nano polyamide master batch The total amount of nanoparticles in the particle is 1.5 parts, the total amount of dispersing aid is 0.125 parts, and the ratio of the two is 12. The metal pigment is composed of a 3:1 mixture of gold powder and zinc powder with a particle size of 250 μm; the dispersion aid in the nano-polyamide composition and the masterbatch is 0.2 μm carboxyl-terminated core-shell particles; the processing aid includes N , N'-bis-(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl)hexamethylenediamine, tris(2,4-di-tert-butylphenyl)phosphite mixture, A mixture of sodium iodide and...

Embodiment 2

[0030] A nano polyamide composition with metallic luster, which comprises the following raw material components in parts by weight:

[0031]

[0032] Wherein, polyamide resin is PA66; The content of nanoparticle in the nanometer polyamide master batch is 30%wt, wherein the weight ratio of the nanoparticle in the masterbatch and the dispersing aid in the masterbatch is 100:5, then the nanometer polyamide The total amount of nanoparticles in the masterbatch is 3 parts, the total amount of dispersing aid is 0.3 parts, and the ratio of the two is 10. The metal pigment is composed of a 3:1 mixture of gold powder and zinc powder with a particle size of 250 μm; the dispersion aid in the nano-polyamide composition and the masterbatch is 0.2 μm carboxyl-terminated core-shell particles; the processing aid includes N , N'-bis-(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl)hexamethylenediamine, tris(2,4-di-tert-butylphenyl)phosphite mixture, A mixture of potassium iodide and 2,4-dihy...

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Abstract

The invention discloses a nano-polyamide composition with metallic luster and a preparation method thereof, which comprises the following raw material components in parts by weight: 100 parts of polyamide resin, 5-40 parts of nano-polyamide masterbatch, and 0.3 parts of metallic pigment ~2 parts, 0.05~1 part of dispersing aid, and 0.5~2 part of processing aid; wherein, the nano-polyamide masterbatch is a self-made product, including nanoparticles and dispersing aid, and the total amount contained in the nano-polyamide composition The weight ratio of nanoparticles to the total dispersion aid is 4:1~52:1. The present invention selects self-made nano polyamide masterbatch as reinforcing material, interacts with core-shell type dispersant, compound with polyamide resin, supplemented with corresponding processing aids, obtains a nano polyamide composition with metallic luster, It has good mechanical properties and surface properties, excellent surface rigidity, scratch resistance, oil resistance and adjustable gloss. It can be used in household appliances, automobiles and other non-spraying materials with metallic luster.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a nano polyamide composition with metallic luster and a preparation method thereof. Background technique [0002] Polyamides (PA for short) have excellent comprehensive properties and can be used directly. At the same time, fillers can also be added to improve the strength, rigidity and dimensional stability of composite materials to meet the use requirements of some special requirements. Among many reinforcing materials, nanomaterials can be used as an ideal choice, with the characteristics of small addition amount and obvious effect. Nanomaterials refer to materials that have at least one dimension in a three-dimensional space that is in nanometer size (within 100nm) or consists of them as basic units. Nanomaterials have a unique small size effect and large surface energy. Only a small amount of nanomaterials can be added to give composite materials excellent mechanical proper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L77/06C08K13/06C08K9/04C08K3/34C08K3/08C08K5/526C08K3/16C08K5/132C08K5/134
CPCC08L77/02C08K2003/0812C08K2003/0831C08K2003/085C08K2003/0893C08K2201/003C08K2201/011C08L77/06C08L2205/02
Inventor 易庆锋蓝承东王灿耀于海鸥桑杰
Owner GUANGDONG ALDEX NEW MATERIAL CO LTD
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