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Preparation method for nanometer reinforced modified thermoplastic resin material

A thermoplastic resin and nano-reinforced technology, applied in the production of bulk chemicals, etc., can solve problems such as nano-dispersion and performance defects of modified materials, and achieve the effects of solving agglomeration, improving comprehensive performance, and having a wide range of sources

Active Publication Date: 2017-08-25
ORINKO NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the performance defects and nano-dispersion problems of existing modified materials, and to provide a preparation method of nano-reinforced modified materials starting from the selection and processing technology of nano-mineral powder

Method used

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  • Preparation method for nanometer reinforced modified thermoplastic resin material
  • Preparation method for nanometer reinforced modified thermoplastic resin material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The nano-hectorite reinforced polypropylene material (PP) with a particle size of 10nm, the specific preparation method and production process are as follows:

[0030] (1) Mineral gel preparation: add 0.5% water-soluble silicone oil to pure water, then weigh nano-hectorite and water at a weight ratio of 10:1, disperse at a high speed for 5 minutes and leave to stand to make a mineral gel;

[0031] (2) Preparation of premix: Weigh polypropylene resin, toughening agent, weathering agent and lubricant in the mixer according to the ratio in Table 1, mix for 2 minutes, and the rotating speed is 300 rpm; then add the prepared mineral The gel is mixed again for 4 minutes, wherein the amount of mineral gel required can be converted and weighed according to the mineral content during preparation;

[0032] (3) Preparation of nano-reinforced materials: the premix is ​​melted, extruded and granulated in the twelve-section parallel twin-screw extruder, and the supercritical carbon d...

Embodiment 2

[0034] Nano hydromica reinforced polyethylene material with a particle size of 400nm, the specific preparation method and production process are as follows:

[0035] (1) Mineral gel preparation: add 0.7% water-soluble silicone oil to pure water, then weigh nano-water mica and water at a weight ratio of 15:1, disperse at high speed for 7 minutes, and leave to stand to make mineral gel;

[0036] (2) Premix preparation: Take polyethylene resin, toughening agent, weathering agent and lubricant in the mixer according to the design ratio in Table 1, mix for 3 minutes, and the rotating speed is 400 rpm; then add the prepared mineral The gel is mixed again for 5 minutes, wherein the amount of mineral gel required can be converted and weighed according to the mineral content during preparation;

[0037] (3) Preparation of nano-reinforced material: the premix is ​​melted, extruded and granulated in a twelve-section parallel twin-screw extruder, and supercritical carbon dioxide fluid is ...

Embodiment 3

[0039] The nano sepiolite reinforced acrylonitrile-butadiene-styrene copolymer (ABS) material with a particle size of 100nm, the specific preparation method and production process are as follows:

[0040] (1) Mineral gel preparation: add 1.0% water-soluble silicone oil to pure water, then weigh nano sepiolite and water at a weight ratio of 20:1, disperse at a high speed for 7 minutes and leave to stand to make a mineral gel;

[0041] (2) Preparation of premix: Weigh acrylonitrile-butadiene-styrene copolymer resin, toughening agent, weather resistance agent and lubricant in the mixer according to the design ratio in Table 1, and mix for 4 minutes at a speed of 500 rev / min; then add the prepared mineral gel and mix again for 6 minutes, wherein the required amount of mineral gel can be converted and weighed according to the mineral content during preparation;

[0042] (3) Preparation of nano-reinforced material: the premix is ​​melted, extruded and granulated in a twelve-section ...

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Abstract

The invention discloses a preparation method for a nanometer reinforced modified thermoplastic resin material. The preparation method comprises the following steps: preparing a mineral gel, preparing a premixture, preparing a nanometer reinforced material and drying, thereby acquiring the nanometer reinforced modified thermoplastic resin material. According to the invention, the hydrated expansion characteristic of the nanometer mineral powder is utilized to prepare the nanometer mineral gel and then the nanometer mineral gel is mixed with the other raw materials, extruded and pelletized. The pre-gelling process is beneficial to the dispersion of the nanometer mineral powder in the material in an extruding process; a supercritical fluid is introduced into the extruding pelletizing process, so that the problem of agglomeration of the nanometer material is solved; a double vacuum extraction process is performed in the preparation process, so that the removal of water and other volatile matters therein is benefited and the comprehensive property of the material is promoted.

Description

technical field [0001] The invention relates to the field of polymer modified material processing, in particular to a preparation method of a nano-reinforced modified thermoplastic resin material. Background technique [0002] Mineral reinforcement has always been one of the main ways to enhance polymer modified materials. However, under the current rapid development of industries such as automobiles and electrical appliances, the demand for polymer modified materials is also increasing rapidly, and the requirements are getting higher and higher. Simple The mineral reinforced materials can no longer meet the market's requirements for material performance, and it is urgent to develop more excellent reinforced material manufacturing schemes and processes. [0003] The emergence of nano-enhanced technology provides a practical and effective solution to the above problems, and extensive research and development of related nano-materials have also been carried out in the industry...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L77/00C08L23/06C08L55/02C08L83/04C08K3/34B29B9/06B29B13/06
CPCB29B9/06B29B13/065C08K2201/003C08K2201/011C08K2201/014C08L23/06C08L23/12C08L55/02C08L77/00C08L2205/06C08L83/04C08K3/346Y02P20/54
Inventor 闫溥邵之杰赵东李荣群
Owner ORINKO NEW MATERIAL CO LTD
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