Metal-based polymer material preparation method, composite material preparation method and prepared mold

A technology based on polymer and polymer, applied in the field of metal-based polymer material preparation, can solve the problems of insufficient mold hardness, long cycle, low strength of low melting point alloy materials, etc.

Inactive 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 mo

Method used

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  • Metal-based polymer material preparation method, composite material preparation method and prepared mold
  • Metal-based polymer material preparation method, composite material preparation method and prepared mold
  • Metal-based polymer material preparation method, composite material preparation method and prepared mold

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A metal-based polymer material comprising the following components by weight:

[0051]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 powder.

[0052] 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.

[0053] The modified epoxy resin is bisphenol A type epoxy resin (referred to as: DGEBA type resin) chemical formula base The epoxy group reacts with the free bond on the surface of the medium (especially the metal surface) to form a chemical bond.

...

Embodiment approach

[0080] 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 and 2 parts of defoamer. 2 parts metal surface treatment agent;

[0081] 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 fine powder.

[0082] 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.

[0083] The second optional implementation mode: the metal-based polymer material includes 10 parts of epoxy...

Embodiment 2

[0091] A method for preparing a metal-based polymer material, comprising the following steps:

[0092]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;

[0093] 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;

[0094] 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;

[0095] 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 preparation method. The method comprises the following steps of adding epoxy resin into a reaction kettle, heating and uniformly dispersing, adding 5-10 parts of modified epoxy resin, adding an epoxy diluent and a dispersing agent, adding an anti-settling aid, adding a polymerization aid, adding a defoaming agent, mixing Ti, iron oxide powder, electrolytic iron powder, reduced iron powder, carbon black, Cr, Mn, Mg, Zn, Wc, Al and ceramic micro powder to form metal mixed powder, and adding the metal mixed powder into a resin mixed solution, stirring, and defoaming. The preparation method of the composite material comprises the following steps of uniformly stirringthe curing agent and the high polymer material, controlling the temperature to be 20-35 DEG C for preliminary curing, and curing after the temperature is 80-160 DEG C to obtain the finished product. And the mold is made of a polymer composite material. And 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 method for preparing a metal-based polymer material, a method for preparing a composite material and a mold thereof. 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 vehicles: concept vehicles, verification vehicles and test vehicles. Conceptual design focuses more on appearance and shape; while the design and trial production of demonstration vehicles and test vehicles emphasizes reasonable size and qualified quality; Most of the trial parts are stamping and sheet metal parts, and cold stamping technology is generally used t...

Claims

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Application Information

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IPC IPC(8): C08L63/00C08L63/02C08K13/06C08K3/22C08K3/08C08K3/04C08K3/00C08G59/50
CPCC08L63/00C08G59/5026C08G59/5006C08L2205/025C08L2205/035C08K2003/2265C08K2003/0893C08K2003/0812C08K2003/0856C08K2003/0881C08K2201/014
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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