Fake metal plastic cement material preparation method

A plastic material and metal-imitation technology, which is applied in the field of preparation of metal-imitation plastic materials, can solve problems such as not easy to remove and affect product appearance, and achieve the effects of less environmental pollution, easy recycling, and beautiful appearance

Inactive Publication Date: 2013-06-05
TPV DISPLAY TECH (XIAMEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the use of metal-like plastic materials in injection molding generally has the problem of weld lines, especially when forming large parts or products with holes, the weld lines are very obvious and difficult to remove, which seriously affects the appearance of the product

Method used

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  • Fake metal plastic cement material preparation method
  • Fake metal plastic cement material preparation method
  • Fake metal plastic cement material preparation method

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0029] The invention discloses a method for preparing a metal-like plastic material, which comprises the following steps:

[0030] Step 1. Surface-treat the 300-500 mesh metal powder first, then immerse the metal powder in the coupling agent solution at room temperature for 0.5-2h, then filter the coupling agent solution in the metal powder, and Dry at ℃ to constant weight for later use;

[0031] Step 2. Premix 5-50 parts of the metal powder obtained in step 1, 1-5 parts of lubricant, 5-30 parts of anti-impact additive and 100 parts of resin in a high-speed mixer, and then place the premixed product in a twin-screw Granulate at 220-280° C. in a granulator to obtain the metal-like plastic material.

Embodiment 1

[0032] Example 1 is a control experiment in which the metal powder is not subjected to surface treatment.

[0033] Step 1. Submerge 300-500 mesh iron powder metal powder in 0.1% β-(3,4-epoxycyclohexyl)ethyltrimethoxysilane coupling agent aqueous solution at room temperature for 0.5h, then The β-(3,4-epoxycyclohexyl)ethyltrimethoxysilane aqueous solution in the iron powder metal powder is filtered by a centrifuge, and dried at 150°C to constant weight for use;

[0034] Step 2, 25 parts of iron powder metal powder that step 1 obtains, 3 parts of white oil lubricants, 20 parts of methyl methacrylate-butadiene-styrene graft copolymer anti-impact additives and 100 parts of mixed resins ( 50 parts each of ABS resin and PC resin) were premixed in a high mixer, and then the premix was placed in a parallel twin-screw reverse granulator and granulated at 250°C to obtain the metal-like plastic material.

Embodiment 2

[0036] Step 1. First, the 300-500 mesh iron powder metal powder is surface-treated by phosphating surface treatment method. After the surface treatment of the iron powder metal powder is completed, the iron powder metal powder is then immersed in 0.1% gamma at room temperature -(2,3 glycidoxy) propyl trimethoxy silane coupling agent ethanol solution for 2h, then the γ-(2,3 glycidoxy) propyl trimethoxy in the iron powder metal powder The silane-ethanol solution was filtered by a centrifuge and dried to constant weight at 50°C for later use;

[0037] Step 2, 25 parts of iron powder metal powder that step 1 obtains, 3 parts of white oil lubricants, 20 parts of methyl methacrylate-butadiene-styrene graft copolymer anti-impact additives and 100 parts of mixed resins ( 50 parts each of ABS resin and PC resin) were premixed in a high mixer, and then the premix was placed in a parallel twin-screw reverse granulator and granulated at 250°C to obtain the metal-like plastic material.

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Abstract

The invention discloses a fake metal plastic cement material preparation method, which comprises the following steps: Step1, performing surface treatment of the metal powder with 300-500 meshes, then immersing the metal powder in a coupling agent solution at normal temperature for 0.5-2 hours, filtering the coupling agent solution in the metal powder, drying at 50-150 DEG C for standby with constant weight; and step2, premixing 5-50 parts of metal powder obtained in the step 1, 1-5 parts of lubricating agent, 5-30 parts of impact resistant additive and 100 parts of resin in a high mixing machine, and then placing a premixture in a twin-screw granulator for pelleting at the temperature of 220-280 DEG C to obtain the fake metal plastic cement material. By using the preparation method, the prepared fake metal plastic cement material is performed with injection molding to form a common product or a product with blow holes, no obvious weld mark is generated on the surface, the appearance is good, the cost is low, the environmental protection is little, and the secondary material enables easy recovery and utilization.

Description

technical field [0001] The invention relates to a metal imitation plastic material, in particular to a preparation method of a metal imitation plastic material. Background technique [0002] With the rapid development of home appliances, automobiles, communications and other industries, consumers have higher and higher requirements for these products, including requirements for appearance. For most manufacturers, to win their own space in the unprecedentedly competitive market is to continuously develop products with excellent performance, beautiful appearance and moderate price. Metal appearance or metal texture appearance is the mainstream requirement of the market in recent years. Because home appliances, automobiles, communications and other products made of metal-like plastic materials not only have a metallic appearance, but also are affordable, metal-like plastic materials are sought after by various manufacturers. At present, the methods of preparing metal-like pla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L69/00C08K9/04C08K9/06C08K3/08B22F1/00
Inventor 张永伟朱兆荣
Owner TPV DISPLAY TECH (XIAMEN) CO LTD
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