Cast iron product with protective and decorative coating and plating

A cast iron product and coating technology, which is applied in the field of cast iron products, can solve problems such as easy yellowing, poor protection and decoration performance, and achieve the effects of reducing pollution, low cost, and little pollution

Active Publication Date: 2012-05-02
HUZHOU BIAOLI ENERGY SAVING TECH 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 problems that the existing cast iron products are prone to yellowing after long-term use, and have poor protection and decoration performance, and provide a kind of cast iron with excellent comprehensive performance, convenient preparation, environmental protection and low production cost that can replace the existing electrochrome-plated cast iron Cast iron products with protective decorative coating

Method used

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  • Cast iron product with protective and decorative coating and plating
  • Cast iron product with protective and decorative coating and plating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 As shown, the cast iron products with protective decorative coating, on the base material of ductile iron casting 1, from bottom to top are: primer layer, chrome plating layer 4 and top coat layer, the primer layer is made of epoxy family epoxy resin coating 2 and polybutadiene coating 3 with a thickness of 8 μm and 2 μm respectively, the chrome plating layer 4 is a sputtered chrome plating layer with a thickness of 0.5 μm, and the top coat is an acrylic coating 5 with a thickness of 10 μm.

[0025] The production process of this product is as follows: iron casting pretreatment→spraying epoxy epoxy resin, leveling→spraying polybutadiene, baking→sputtering chrome plating→spraying acrylic acid, baking.

Embodiment 2

[0027] Such as figure 1 As shown, the cast iron products with protective decorative coating, on the gray iron casting 1 base material, from bottom to top are: primer layer, chrome plating layer 4 and top coat layer, the primer layer is made of epoxy family epoxy resin coating 2 and polybutadiene coating 3, the thicknesses are 10 μm and 5 μm respectively, the chrome plating layer 4 is ion sputtering hybrid chrome plating layer, its thickness is 1.0 μm, and the top coat is acrylic coating 5, its thickness is 20 μm.

[0028] The production process of this product is as follows: iron casting pretreatment → spraying epoxy epoxy resin, leveling → spraying polybutadiene, baking → ion sputtering mixed chrome plating → spraying acrylic acid, baking.

Embodiment 3

[0030] Such as figure 1 As shown, the cast iron products with protective decorative coating, on the substrate of vermicular graphite cast iron 1, from bottom to top are: primer layer, chrome plating layer 4 and top coat layer, the primer layer is coated with epoxy family epoxy resin Layer 2 and polybutadiene coating 3, the thicknesses are 8 μm and 7 μm respectively, the chrome plating layer 4 is ion chromium plating layer, its thickness is 1.0 μm, the top coat is acrylic coating 5 layers, its thickness is 15 μm,

[0031] The production process of this product is as follows: iron casting pretreatment→spraying epoxy epoxy resin, leveling→spraying polybutadiene, baking→ion chrome plating→spraying acrylic acid, baking.

[0032] The cast iron product of the above-mentioned embodiment having the protective decorative coating is tested for surface gloss, pencil hardness, coating adhesion, and salt spray resistance, and the results are as follows:

[0033] (1) Surface gloss: bright w...

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Abstract

The invention discloses a cast iron product with protective and decorative coating and plating belonging to the field of novel material and surface technology. The product comprises a substrate, a chromium coating, a bottom coating and a surface coating. The substrate comprises a substrate, a bottom coating, a chromium coating and a surface coating orderly from bottom to top. The bottom coating is 10-15 microns in thickness, the chromium coating is 0.5-1.0 micron in thickness, and the surface coating is 10-20 microns in thickness. The bottom coating is composed of an epoxy resin coating and a polybutadiene coating. The surface coating is an acrylic acid coating. Since the cast iron product has a structure different from the present electroplated cast iron product, the cast iron product has low cost and environment friendliness in production, and excellent performance, and solves the problems that the present electroplated cast iron product is tended to yellow discolouration after long-term use and has poor protective and decorative functions.

Description

technical field [0001] The invention relates to cast iron products, in particular to cast iron products with a protective decorative coating. Background technique [0002] Cast iron materials are widely used, occupy a dominant position in cast alloys, and have always played an important role in the national economy. According to statistics, in 1999 my country's cast iron production accounted for 81.7% of the total output of cast iron products. At present, with the intensification of market competition, cast iron, as a traditional metal material, is facing serious challenges in terms of material quality, performance and price. As we all know, cast iron is a complex, multi-component, multi-phase structural material with great development potential, and its structure and properties can change greatly with different solidification methods. Due to the impact of energy, labor prices and environmental factors, the cast iron products of industrially developed countries will gradua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/08B32B15/092B32B15/18
Inventor 秦洁王红伟姚毅汪强鲁旭亮吴丽丽
Owner HUZHOU BIAOLI ENERGY SAVING TECH CO LTD
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