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Environment-friendly vapor phase rust-proof film

A gas-phase rust prevention and film technology, which is applied to the film field required for metal product packaging, can solve the problems of poor rust prevention performance, pollute the environment, endanger human beings, etc., and achieve the effects of good rust prevention performance, no environmental pollution and low cost.

Active Publication Date: 2014-02-12
上海福岛新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: in order to overcome the problems of poor anti-rust performance of plastic films in the prior art, containing toxic substances such as nitrite that endanger human beings and pollute the environment, an environmentally friendly gas-phase anti-rust film is provided, which discards toxic Harmful nitrite, with high strength, stable sealing performance, good anti-rust performance, etc., can be suitable for both ferrous metals and non-ferrous metals or the combination of ferrous metals and non-ferrous metals for anti-rust packaging needs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] First, weigh 1kg of gas phase corrosion inhibitor (VCI) raw material sodium benzoate, 1kg of tungstate, 2kg of diamine type containing morpholine unit, 0.3kg of dispersed lubricant raw material, 2.5kg of carrier plastic raw material, and mix the components After uniformity, put it into a high-speed mixer and mix for 30 minutes. The friction heat generated by the high-speed mixer will make the carrier plastic raw material particles sticky, and the dispersed lubricant raw material will be melted under the action of shear heat. When the VCI evenly adheres to the carrier plastic The raw materials are discharged when they are loaded, and after natural cooling, they are put into the granulator for granulation to obtain the prepared additive granules. Then, according to the ratio of three to one, weigh 60 kg of base plastic raw materials LDPE and 20 kg of LLDPE, mix them evenly with the prepared additive particles, and put them into the extrusion barrel of the blow molding mach...

Embodiment 2

[0022] First, weigh 2kg of gas phase corrosion inhibitor (VCI) raw material sodium benzoate, 1kg of tungstate, 1.5kg of diamine type containing morpholine unit, 0.2kg of dispersed lubricant raw material, 2.0kg of carrier plastic raw material, and mix each component After mixing evenly, put it into a high-speed mixer and mix for 30 minutes. The friction heat generated by the high-speed mixer will make the carrier plastic raw material particles sticky, and the dispersed lubricant raw materials will be melted under the action of shear heat. When the VCI is evenly adhered to the carrier The plastic raw materials are discharged when they are put on, and after natural cooling, they are put into the granulator for granulation to obtain the prepared additive granules. Then, according to the ratio of one to one, weigh 40kg of base plastic raw materials LDPE and 40kg of LLDPE, mix them evenly with the prepared additive particles, and put them into the extrusion barrel of the blow molding...

Embodiment 3

[0024] First, weigh 1.5kg of gas-phase corrosion inhibitor (VCI) raw material sodium benzoate, 1.5kg of tungstate, 1.5kg of diamine type containing morpholine unit, 0.3kg of dispersed lubricant raw material, and 1.5kg of carrier plastic raw material. After the components are mixed evenly, put them into a high-speed mixer and mix for 30 minutes. The friction heat generated by the high-speed mixer will make the carrier plastic raw material particles sticky, and the dispersed lubricant raw materials will be melted under the action of shear heat. When the VCI is uniformly adhered The material is discharged when it is on the carrier plastic raw material, and after natural cooling, it is put into the granulator for granulation to obtain the prepared additive granules. Then, according to the ratio of three to one, weigh 45 kg of base plastic raw materials LDPE and 15 kg of LLDPE, mix them evenly with the prepared additive particles, and put them into the extrusion barrel of the blow m...

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Abstract

The invention discloses an environment-friendly vapor phase rust-proof film which is formed by carrying out mixing, coextrusion and blow molding on 85-95% of matrix plastic and 15-5% of additive by weight. The additive comprises the following components by weight percent: 70-85% of vapor phase inhibitor, 2-5% of dispersed lubricant and 10-28% of carrier plastic. The vapor phase inhibitor is formed by combining sodium benzoate, tungstate and morpholine unit-containing diamine type, and the weight ratio of sodium benzoate to tungstate to diamine type containing morpholine unit is (1-3):(1-2.5):(1-3). The environment-friendly vapor phase rust-proof film has the characteristics of high strength, stable sealing performance, good rust-proof performance and single material, and is energy-saving and environment-friendly. Each component has synergistic effect, and inherent physical and chemical rust-proof performances of each component can be fully exerted.

Description

technical field [0001] The invention relates to a film required for packaging metal products, in particular to an environment-friendly vapor phase antirust film, which can meet the needs of heavy-duty packaging of metallurgical plates, coils and large electromechanical products. Background technique [0002] The existing vapor phase anti-rust plastic film is mainly through chemical synthesis, screening of vapor phase corrosion inhibitor (VCI) with high temperature stability and suitable vapor pressure, and making it miscible with PE in the form of ultrafine powder to produce plastic with high VCI content. Masterbatch, whereby the masterbatch is added to polyolefin resin and made by co-blowing process. Its manufacturing process is initially based on polyethylene, polypropylene or other plastic films as carriers, and adhesives, VCI and solvents are evenly coated on the corona-treated film and dried. [0003] Later, in order to simplify the process, it was gradually changed to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/04C08L23/06C08L23/26C08L23/08C08K13/02C08K5/098C08K3/24C08K5/357C08K5/12C08K5/103
Inventor 宋铁成孙艳红姬文琦宋传军
Owner 上海福岛新材料科技有限公司
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