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A constant temperature iron sheet coating with fireproof function

A constant temperature, iron sheet technology, used in fire-resistant coatings, coatings, layered products, etc., can solve problems such as food spoilage, and achieve the effect of preventing food or material spoilage, simple process, and simple coating.

Active Publication Date: 2016-08-17
DONGXIANGLIN JIANGSU IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] From the introduction of the above materials and process methods, it can be seen that the cans in the prior art have reached unprecedented technology in terms of anti-corrosion, anti-rust and waterproof. Among them, due to the large temperature difference between day and night, if it is not sold or eaten in time, the main material of the can is tinplate, which has the properties of iron and good thermal conductivity. Therefore, under the condition of large temperature difference between day and night, it is very easy to cause the food in the can to deteriorate. Case

Method used

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  • A constant temperature iron sheet coating with fireproof function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A layer of UV glue with a thickness of 0.5 mm is coated on the refractory tinplate 5 to form a composite layer 1 .

[0018] Composite the constant temperature layer 2 and the composite layer 1. The constant temperature layer 2 is formed by coating the heat preservation agent on the PE film. The mass ratio of LDPE is 45%, and the thickness of the insulation layer 2 is 0.01mm.

[0019] Coat one deck fire-proof layer 3 on insulation layer 2, fire-proof layer 3 is to select the surface of fire-proof coating to be coated on constant temperature layer 2, fire-proof coating is to select for use to be 50% inorganic filler, 10% binding agent, 15% of the additive, 15% of the catalyst ammonium polyphosphate, and 10% of the blowing agent melamine are fully mixed to form a fireproof slurry, and then the fireproof slurry is ground and dispersed by a sand mill, and the film forming agent is added and then fully stirred for 5 minutes to form The fireproof coating is coated on the cons...

Embodiment 2

[0022] A layer of PK-5975UV glue with a thickness of 0.6 mm is coated on the tinplate 5 after resolubility treatment to form a composite layer 1 .

[0023] Composite the thermostatic layer 2 and the composite layer 1. The thermostatic layer 2 is formed by coating the EAV film with an insulating agent. The insulating agent is made of LLDPE as a carrier, mixed with diatomaceous earth and talcum powder and then plasticized. The insulating agent The mass ratio in LLDPE is 48%, and the thickness of the insulation layer 2 is 0.1mm.

[0024] Coating one deck fire-proof layer 3 on insulation layer 2, fire-proof layer 3 is to select the surface of fire-proof coating to be coated on constant temperature layer 2, and fire-proof coating is to select for use to be 55% inorganic filler, 15% binding agent, 18% additives, 18% catalyst ammonium polyphosphate, and 12% blowing agent melamine are fully mixed to form a fireproof slurry, and then the fireproof slurry is ground and dispersed by a ba...

Embodiment 3

[0027] A layer of UV glue with a thickness of 0.7 mm is coated on the refractory tinplate 5 to form a composite layer 1 .

[0028] Composite the constant temperature layer 2 and the composite layer 1. The constant temperature layer 2 is formed by coating the thermal insulation agent on the PE film. The thermal insulation agent is made of LDPE as the carrier, and calcium carbonate, diatomaceous earth, and talcum powder are mixed and plasticized. The mass ratio of the insulating agent in the LDPE is 50%, and the thickness of the insulating layer 2 is 0.25mm.

[0029] Coating one deck fire-proof layer 3 on insulation layer 2, fire-proof layer 3 is to select the surface of fire-proof coating to be coated on constant temperature layer 2, and fire-proof coating is to select for use to be 56% inorganic filler, 18% binding agent by weight percentage, 18% of the additive, 18% of the catalyst ammonium polyphosphate, and 15% of the blowing agent melamine are fully mixed to form a firepro...

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Abstract

The invention provides a constant temperature iron sheet coating with a fireproof function. The constant temperature iron sheet coating comprises a composite layer, a constant temperature layer, a fireproof layer and an oil film layer which are coated on a tinplate subjected to reflowing treatment and are sequentially coated, wherein the constant temperature layer is formed by coating a heat insulation agent on a PE film or an EAV film; the fireproof layer is formed by coating a fireproof coating on the surface of the constant temperature layer. The coating layer of the coating is simple, the steps are easy to operate, the process is simple, and after the constant temperature coating is coated on an iron sheet can, the temperature difference in the can caused by external temperature difference is effectively reduced, and the condition that foods or materials in the can are deteriorated is avoided. Moreover, the fireproof layer is coated on the outer side of the constant temperature layer, the phenomenon that the iron sheet can becomes another heat source when an accidental open fire occurs is avoided, the heat transfer is reduced, and the accidental occurrence probability is reduced.

Description

technical field [0001] The invention relates to an iron sheet coating, in particular to a constant temperature iron sheet coating with fireproof function. Background technique [0002] Tinplate is a traditional canning material, and it is still the main canning material for food canning. Tinplate is tin-plated thin steel plate, referred to as tinplate. Tinplate has a bright appearance, good corrosion resistance and canning process performance, easy to weld, suitable for coating and iron printing. In addition to being widely used in the canning industry, tinplate is also used to make tin boxes for candy, biscuits, tea, milk powder, etc.; it can also be used for cans and boxes of certain industrial products such as chemical products and cosmetics. [0003] The surface of tinplate is electroplated with tin, mainly because the electrode potential of tin is higher than that of iron, and its chemical properties are stable, so it can protect the steel plate from rust. However, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B15/08B32B7/12B32B27/32B32B33/00C09D1/00C09D5/18
CPCB32B7/12B32B15/085B32B33/00B32B2307/304B32B2307/306B32B2307/3065C09D1/00C09D5/18
Inventor 李东
Owner DONGXIANGLIN JIANGSU IND