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Spraying-free composite material for preventing heavy metal pollution and preparation method thereof

A composite material, spray-free technology, applied in the field of polymer materials, can solve the problems of injection molding processing difficulty, high resin melt viscosity, the need for light stabilizers, etc., to achieve the effect of being conducive to industrial production, low cost, and excellent gloss.

Active Publication Date: 2022-07-08
JIANGSU XINRI E VEHICLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The material requires light stabilizers, UV absorbers and free radical scavengers, and the cost of raw materials is high
At the same time, PC materials have disadvantages such as high melt viscosity of resin and sensitivity to moisture, which brings certain difficulties to injection molding processing, while PC products are prone to discoloration, blackening, yellow lines and black spots, and do not take advantage of long-term use.

Method used

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  • Spraying-free composite material for preventing heavy metal pollution and preparation method thereof
  • Spraying-free composite material for preventing heavy metal pollution and preparation method thereof
  • Spraying-free composite material for preventing heavy metal pollution and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A kind of spray-free composite material, its preparation method comprises the steps:

[0039] Mix 40 parts of PMMA resin, 20 parts of ABS resin, 1 part of PTFE, 1 part of antioxidant 164 and 0.3 part of polyethylene wax in a low-speed mixer with a rotation speed of 300r / min for 5min, and add twin screw at the first stage. Extruder (screw speed is 100r / min, extrusion temperature is 200℃); then the mixed sample, 0.2 part of white phosphor, 0.5 part of perfluorooctylsilane and 2 parts of heavy metal scavenger are placed in the second stage The mixture was added into a twin-screw extruder for melting (screw speed was 100 r / min, extrusion temperature was 210° C.), and pelletized to obtain the spray-free composite material for preventing heavy metal pollution.

[0040] The preparation method of the heavy metal scavenger is as follows: nano-scale silica and 0.1 mM chloroauric acid solution are treated under ultrasonic for 15 minutes according to a mass-to-volume ratio of 5:1, ...

Embodiment 2

[0043] A kind of spray-free composite material, its preparation method comprises the steps:

[0044] Mix 52 parts of PMMA resin, 26 parts of ABS resin, 1.5 parts of polytetrafluoroethylene, 1.5 parts of antioxidant 164 and 0.7 parts of polyethylene wax in a low-speed mixer with a rotating speed of 400r / min for 8min, and add twin screw at the first stage. Extruder (screw speed is 200r / min, extrusion temperature is 220°C); then the mixed sample, 0.5 part of orange-yellow phosphor, 0.8 part of perfluorooctylsilane and 3 parts of heavy metal scavenger are placed in the second The section is added into a twin-screw extruder for melting (screw rotation speed is 200 r / min, extrusion temperature is 230° C.), and granulation is performed to obtain the spray-free composite material for preventing heavy metal pollution.

[0045] The preparation method of the heavy metal scavenger is as follows: nano-scale silicon dioxide and 0.3 mM chloroauric acid solution are treated under ultrasonic for...

Embodiment 3

[0048] A kind of spray-free composite material, its preparation method comprises the steps:

[0049] Mix 62 parts of PMMA resin, 31 parts of ABS resin, 2 parts of PTFE, 2 parts of antioxidant 164 and 1 part of polyethylene wax in a low-speed mixer with a rotation speed of 500r / min for 10min, and add twin screw at the first stage. Extruder (screw speed is 300r / min, extrusion temperature is 230°C); then the mixed sample, 0.8 parts of blue phosphor, 1 part of perfluorooctylsilane and 4 parts of heavy metal scavenger are placed in the second The section is added into a twin-screw extruder for melting (screw rotation speed is 300 r / min, extrusion temperature is 240° C.), and granulation is performed to obtain the spray-free composite material for preventing heavy metal pollution.

[0050] The preparation method of the heavy metal scavenger is as follows: nano-scale silica and 0.5mM chloroauric acid solution are treated under ultrasonic for 30 minutes according to a mass-volume rati...

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Abstract

The invention discloses a spraying-free composite material for preventing heavy metal pollution, and belongs to the technical field of high polymer materials, the spraying-free composite material comprises the following raw materials by weight: 60-95 parts of a plastic substrate, 1-2 parts of polytetrafluoroethylene, 1-2 parts of an antioxidant, 0.3-1 part of an auxiliary agent, 0.2-0.8 part of fluorescent powder, 0.5-1 part of a silane coupling agent, and 2-4 parts of a heavy metal trapping agent. The composite material disclosed by the invention has high glossiness, high toughness, fluorescence property and hydrophobic property, is a spraying-free composite material capable of preventing heavy metal pollution, and has a wide application prospect in the fields of environmental monitoring and plastic products.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a spray-free composite material for preventing heavy metal pollution and a preparation method thereof. Background technique [0002] With the deepening of the awareness of green environmental protection and the improvement of living standards, non-spraying materials with safe, non-polluting, beautiful texture and versatility have become the focus of attention in the fields of home appliances and automobiles. Spray-free materials are a class of materials with special appearance effects prepared by directly adding various colored pigments to polymer substrates, and then using compatibility modification technology and melt blending technology. [0003] Compared with traditional modified plastics, spray-free materials have the advantages of no spraying, rich colors, good surface gloss, chemical corrosion resistance, scratch resistance, non-toxic environmental protection, re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/12C08L55/02C08L27/18C08L25/06C08L51/04C08K9/00C08K9/12C08K3/36C08K5/37
CPCC08L33/12C08L25/06C08L55/02C08L27/18C08K9/00C08K9/12C08K3/36C08K5/37C08L51/04Y02B20/00
Inventor 李青林良良周勇聂纪超王惠吴海梅盛滋先
Owner JIANGSU XINRI E VEHICLE
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