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Gas-phase antirust film containing microcapsules

A gas-phase anti-rust and gas-phase anti-rust agent technology, which is applied in the direction of layered products, synthetic resin layered products, chemical instruments and methods, etc., can solve the problems of human and animal injury, anti-rust agent toxicity, and insufficient anti-rust time, etc. Problems, achieve the effect of overcoming poor oxygen and water vapor barrier performance, strong puncture and tear resistance, and excellent timeliness

Inactive Publication Date: 2020-04-17
刘振国
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Although the above vapor phase anti-rust film has a certain anti-rust effect, it also has serious defects (1) The anti-rust agent of the nano interception anti-rust film has certain toxicity, which will cause irreversible damage to human body and animals, and is not suitable for large-scale use (2) Composite anti-rust materials only use polyethylene as the base film, the gas barrier property is poor and the anti-rust time is not long enough, so it cannot be applied to the protection of precision instruments and electronic components

Method used

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  • Gas-phase antirust film containing microcapsules
  • Gas-phase antirust film containing microcapsules

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1: adopt the production equipment of free radical polymerization, drop into wall material styrene monomer 1kg, core material 2-methylimidazole and 2-ethyl-4-methylimidazole 5kg, emulsifier NP-10 in 20kg toluene 0.05kg of initiator 0.01kg, mechanically stirred for 3h after being heated to 80°C, vacuumized, filtered, and washed to obtain 3kg of microcapsules containing a gas-phase rust inhibitor with an average particle diameter of 29 μm. The polystyrene content of the microcapsules is 0.8 kg, and the content of 2-methylimidazole and 2-ethyl-4-methylimidazole is 2.2 kg.

Embodiment 2

[0022] Embodiment 2: adopt the production equipment of interfacial phase separation, drop into polyacrylonitrile 1kg, 4-(N,N-di-n-butyl)-amine-methylmorpholine 7kg, emulsifier in 20kg butanone and toluene mixed solution Sodium dodecylbenzenesulfonate 0.1kg, after stirring for 4h, vacuumize, filter and wash to obtain 2.3kg of microcapsules containing gas-phase rust inhibitor with an average particle diameter of 0.5 μm. The content of polyacrylonitrile in the microcapsule is 0.5 kg, and the content of 4-(N,N-di-n-butyl)-amine-methylmorpholine is 1.8 kg.

Embodiment 3-8

[0023] Examples 3-8, with reference to the preparation method of Example 1 or 2, adjust the wall material and core material of the microcapsule polymer to obtain microcapsules with different average diameters and different ratios of wall material and core material. The specific parameters are shown in Table 1 .

[0024] Table I

[0025]

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Abstract

A gas-phase antirust film containing microcapsules belongs to the technical field of antirust packaging, and comprises a film layer, an elastic layer, a barrier layer and an antirust layer from top tobottom; and the film layer is made of polyethylene, the elastic layer is composed of linear low-density polyethylene and an ethylene-vinyl acetate copolymer, the barrier layer is composed of low-density polyethylene and polyvinylidene chloride, and the antirust layer is composed of polyethylene and the microcapsules containing a gas-phase antirust agent. A multilayer co-extrusion composite film with a high-barrier function is combined with a gas-phase antirust agent microcapsule technology, so that the technical problem that part of special products require long antirust period is solved, andthe technical problem that a traditional antirust material is poor in oxygen and water vapor barrier performance is also solved.

Description

technical field [0001] The invention belongs to anti-rust packaging technology, in particular to a gas-phase anti-rust film containing microcapsules and a preparation method thereof. Background technique [0002] The vapor phase antirust packaging technology is to use vapor phase antirust paper or vapor phase antirust film containing a vapor phase antirust agent. During the slow volatilization of the antirust agent, a certain vapor pressure is formed to form a protective layer on the metal surface to inhibit corrosion. The role of metal corrosion. The gas phase anti-rust film has the characteristics of long anti-rust period, easy operation and convenient use, and can be widely used in many fields such as metal protection and device protection. [0003] The existing gas-phase anti-rust film generally uses polyethylene or polypropylene containing a gas-phase anti-rust agent as the anti-rust packaging of the product. This kind of anti-rust film has poor performance in blocking...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/32B32B27/08B32B27/06B32B27/30B32B27/18B32B33/00C08L23/08C08L23/06C08L27/08C08K9/10C08K5/3445C08J5/18
CPCB32B27/08B32B27/18B32B27/304B32B27/306B32B27/32B32B33/00B32B2307/558B32B2307/5825B32B2307/70B32B2307/7244B32B2307/7265C08J5/18C08J2323/06C08J2323/08C08J2327/08C08J2423/08C08K5/3445C08K9/10C08K2201/014
Inventor 刘振国马宝光闵超陈妍慧
Owner 刘振国
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