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Metal-based polymer material, polymer composite material and mold prepared from polymer composite material

A technology based on polymer and composite materials, which is applied in the field of metal-based polymer materials, polymer composite materials and their preparation molds, and can solve the problems of long cycle, unsuitable plates, and low strength of low-melting alloy materials.

Pending Publication Date: 2020-07-07
江苏九铸合金新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Gray cast iron (FC30): serious pollution in the casting process, high energy consumption, long cycle time, difficult processing, increasing overall cost, low strength and fatigue;
[0008] At present, the common problem of polymer alloy molds in the market is that the hardness of the molds is insufficient, and the number of pressed metal sheets is less than 200 pieces, which cannot reach an economical scale;
[0009] Alloy materials, high cost, rapid trial mold zinc-based alloy (ZAS) is a recyclable mold material, melted at 550 ℃ and returned to the furnace, the casting cycle is about a week faster than FC30, but the hardness is lower, and about 100 stamping parts need to be repaired Molds, thin plates and shallow stretched parts will be used. Due to the low strength of low melting point alloy materials (the tensile strength is only about 60MPa), it is not very suitable for plates with a thickness of more than 1.5mm.

Method used

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  • Metal-based polymer material, polymer composite material and mold prepared from polymer composite material
  • Metal-based polymer material, polymer composite material and mold prepared from polymer composite material
  • Metal-based polymer material, polymer composite material and mold prepared from polymer composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A metal-based polymer material comprising the following components by weight:

[0043] 6-8 parts of Ti, 3-8 parts of 2000-mesh iron oxide powder, 1-3 parts of 1200-mesh iron oxide powder, 3-4 parts of 1600-mesh electrolytic iron powder, 1-5 parts of 1600-mesh reduced iron powder, 3-6 parts 800-mesh reduced iron powder, 3-4 parts of 600-mesh carbon black, 4-7 parts of Cr, 3-7 parts of Mn, 5-7 parts of Mg, 1-5 parts of Zn, 1-5 parts of Wc, 1.5-3.5 parts of Al , 3 to 8.5 parts of ceramic micropowder;

[0044] 5-10 parts of epoxy resin, 5-10 parts of modified epoxy resin, 6.6-12 parts of epoxy diluent, 0.2-0.5 parts of dispersant, 0.2-0.5 parts of anti-settling aid, 1-2 parts of polymerization aid And 2 to 5 parts of defoamer.

[0045] The modified epoxy resin is bisphenol A type epoxy resin (referred to as: DGEBA type resin) chemical formula

[0046]

[0047] In the structure of epoxy resin, there are hydroxyl group (-OH), ether group (—O—) and extremely active epoxy...

Embodiment approach

[0074] The first optional implementation mode: the metal-based polymer material includes 5 parts of epoxy resin, 5 parts of modified epoxy resin, 6.6 parts of epoxy diluent, 0.2 part of dispersant, 0.2 part of anti-sedimentation aid, 1 part of polymer Auxiliary, 2 parts of defoamer, 2 parts of metal surface treatment agent;

[0075] 6 parts of Ti, 3 parts of 2000 mesh iron oxide powder, 1 part of 1200 mesh iron oxide powder, 3 parts of 1600 mesh electrolytic iron powder, 1 part of 1600 mesh reduced iron powder, 3 parts of 800 mesh reduced iron powder, 3 parts of 600 mesh carbon black , 4 parts of Cr, 3 parts of Mn, 5 parts of Mg, 1 part of Zn, 1 part of Wc, 1.5 parts of Al and 3 parts of ceramic powder,

[0076] 5 parts of graphene resin solutions, wherein, choose 2 parts of graphene dispersions in the graphene resin solution to mix with 90 parts of epoxy resin.

[0077] The second optional implementation mode: the metal-based polymer material includes 10 parts of epoxy resin...

Embodiment 2

[0085] A method for preparing a metal-based polymer material, comprising the following steps:

[0086] Step S01, taking 5-10 parts of epoxy resin and adding it into the reactor to raise the temperature to 90-100°C. During the heating process, dispersing and stirring is required, and the speed of dispersing and stirring is 300-500r / min;

[0087] Step S02, after the temperature rises to 100°C and stabilizes, add 5 to 10 parts of modified epoxy resin, and continue stirring for 20 minutes after adding all of them. Stirring speed is 300 to 500 / min; first adjust the resin mixture through the modified epoxy resin concentration;

[0088] Step S03, add 6.6-12 parts of epoxy diluent, continue to stir for 5 minutes, and disperse and stir at a speed of 300-500 r / min; adjust the viscosity of the resin mixture with the epoxy diluent;

[0089]Step S04, adding 0.2-0.5 parts of dispersant, stirring continuously for 5 minutes, and dispersing and stirring at a speed of 300-500 r / min; using the ...

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Abstract

The invention belongs to the technical field of composite materials, and particularly relates to a metal-based polymer material which comprises epoxy resin, modified epoxy resin, an epoxy diluent, a dispersing agent, an anti-settling aid, a polymerization aid, a defoaming agent, Ti, iron oxide powder, electrolytic iron powder, reduced iron powder, carbon black, Cr, Mn, Mg, Zn, Wc, Al and ceramic micro powder. The metal-based polymer composite material comprises a metal-based polymer material and a curing agent. The mold is made of a polymer composite material. The prepared mold is high in strength and hardness, small in contractibility and good in sedimentation resistance.

Description

technical field [0001] The invention belongs to the technical field of composite materials, and in particular relates to a metal-based polymer material, a polymer composite material and a mold prepared therefrom. Background technique [0002] Trial production of automobile products generally takes place when vehicle manufacturers need to launch new models or modify or upgrade existing models. The objects of trial production of automobile products mainly refer to prototype cars, body parts, body parts, interior and exterior trims and components. There are generally three types of prototype cars: concept car, verification car and test car. The concept design focuses more on appearance and shape; while the design and trial production of verification cars and test cars puts more emphasis on reasonable size and qualified quality. Most of the trial-produced parts in the trial-prototype car are stamped and sheet metal parts, and cold stamping technology is generally used to form v...

Claims

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Application Information

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IPC IPC(8): C08L63/00C08K13/02C08K3/08C08K3/22C08K3/04C08K3/36C08K3/14
CPCC08L63/00C08L2205/025C08K2003/0856C08K2201/014C08K2201/005C08K2003/0881C08K2003/2272C08K2003/0893C08K2003/0812C08K13/02C08K3/08C08K3/22C08K3/04C08K3/36C08K3/14C08K3/042
Inventor 李鹤松崔正义
Owner 江苏九铸合金新材料有限公司
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