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Heat-resisting steel plate

A steel plate, heat-resistant technology, applied in the field of heat-resistant steel plates, can solve the problems of difficult large-area construction, poor metal adhesion, high production costs, and achieve excellent adhesion and workability, heat resistance and hot hardness better, The effect of excellent solvent resistance

Inactive Publication Date: 2015-03-25
CHENGDU JINHUI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the advancement of technology, it is found that silicone resin also has better heat resistance. The basic skeleton of silicone resin is the main chain of Si-O, which has higher bond energy than the C-C bond of ordinary polymers. Heat resistance and anti-oxidation are also strong. Normally, the heat resistance temperature of silicone resin is 300°C. It has been proved by practice that in addition to heat resistance, silicone resin also shows excellent weather resistance and stain resistance. , water removal, cold resistance and chemical corrosion resistance, etc., but in actual use, there are still the following problems, such as: need high temperature curing (above 250 ℃) and long curing time, difficult large-scale construction, adhesion to metal Poor, poor solvent resistance and high production cost, for this reason, we must find a high-performance material that can replace silicone resin for the coating treatment of steel plates. Polyester resin or epoxy resin for higher heat resistance

Method used

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  • Heat-resisting steel plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The heat-resistant steel sheet involved in this embodiment is prepared by coating and baking the pre-coated steel sheet with a base coating and a surface coating in sequence, wherein the base coating is applied to the surface of the pre-coated steel sheet to form a base coating , Calculated by weight percentage, the base coating contains the following components:

[0027] Silicone modified polyester resin: 30%; filler: 20%;

[0028] Silicone coupling agent: 1%; Phthalate: 0.5%;

[0029] Solvent: 48.5%.

[0030] The surface coating is applied to the surface of the base coating film to form a surface coating. The surface coating includes the following components in terms of weight percentage:

[0031] Silicone modified polyester resin: 40%; pigment: 10%;

[0032] Polyamide curing agent: 5%; filler: 10%;

[0033] Silicone coupling agent: 1.2%; solvent: 33.8%.

[0034] The following is a further description of the composition of the above components:

[0035] Silicone modified polyester...

Embodiment 2

[0040] The heat-resistant steel sheet involved in this embodiment is prepared by coating and baking the pre-coated steel sheet with a base coating and a surface coating in sequence, wherein the base coating is applied to the surface of the pre-coated steel sheet to form a base coating , Calculated by weight percentage, the base coating contains the following components:

[0041] Silicone modified polyester resin: 50%; filler: 46%;

[0042] Silicone coupling agent: 2%; Phthalate: 1%;

[0043] Solvent: 1%.

[0044] The surface coating is applied to the surface of the base coating film to form a surface coating. The surface coating includes the following components in terms of weight percentage:

[0045] Silicone modified polyester resin: 60%; Pigment: 15%;

[0046] Polyamide curing agent: 7%; filler: 15%;

[0047] Silicone coupling agent: 1.8%; solvent: 1.2%.

[0048] The following is a further description of the composition of the above components:

[0049] Silicone modified polyester resin...

Embodiment 3

[0054] The heat-resistant steel sheet involved in this embodiment is prepared by coating and baking the pre-coated steel sheet with a base coating and a surface coating in sequence, wherein the base coating is applied to the surface of the pre-coated steel sheet to form a base coating , Calculated by weight percentage, the base coating contains the following components:

[0055] Silicone modified polyester resin: 45%; filler: 46%;

[0056] Silicone coupling agent: 1.5%; Phthalate: 0.5%;

[0057] Solvent: 7%.

[0058] The surface coating is applied to the surface of the base coating film to form a surface coating. The surface coating includes the following components in terms of weight percentage:

[0059] Silicone modified polyester resin: 55%; Pigment: 12%;

[0060] Polyamide curing agent: 6%; filler: 14%;

[0061] Silicone coupling agent: 1.5%; solvent: 11.5%.

[0062] The following is a further description of the composition of the above components:

[0063] Silicone modified polyester ...

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Abstract

The invention discloses a heat-resisting steel plate. The heat-resisting steel plate is prepared by sequentially coating a pre-coated steel plate with a base-layer coating and a surface-layer coating and baking, wherein the surface layer of the pre-coated steel plate is coated with the base-layer coating and a base-layer film is formed; and the surface layer of the base-layer film is coated with the surface-layer coating and a surface-layer film is formed. The base-layer coating and the surface-layer coating used in the heat-resisting steel plate are formed by combining organosilicone-modified polyester resin as base materials and other additives; in the heat-resisting steel plate, since the organosilicone-modified polyester resin has the advantages of excellent heat resistance temperature, excellent adhesion and workability to a metal material, excellent solvent resistance and good hot hardness, the organosilicone-modified polyester resin can be sprayed on the surface of the pre-coated metal such as an iron material, an aluminum material or stainless steel and can be widely applied in heat-resistant materials such as baking trays, electric frying pans and barbecue set.

Description

Technical field [0001] The invention belongs to the field of metal materials, and specifically, is a heat-resistant steel plate. Background technique [0002] The steel plate is made by coating and drying the pre-coated steel plate before processing and forming. Since the coating film is also subjected to forming processing after the film is formed, not only the pre-coated steel plate is required to meet the high requirements of hardness and forming The coating material used in its coating also needs processing resistance. In the field of metal materials, the coating on the metal can not only protect and beautify the appearance of the metal, such as rust prevention and coloring, etc., sometimes, the coating can also be used to achieve some special functions, such as improving lubrication and deep drawing Performance etc. In the actual application process, the effect of the coating is closely related to the coating. Take heat-resistant paint as an example. Heat-resistant paint ...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D7/12C09D5/08B32B15/09B32B33/00
CPCC09D167/00C09D5/08C09D7/61C08L77/00C08K2003/2241C08K3/36C08K2003/3045C08K2003/265C08K3/34
Inventor 张一帆
Owner CHENGDU JINHUI TECH
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