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Anti-mist air-conditioning preservative film

A fresh-keeping film and anti-fog technology, which is applied in the direction of preserving seeds, applications, and household appliances with a coating protective layer, which can solve problems affecting the fresh-keeping effect and achieve stable film performance and structure, good anti-fog and moisture permeability , good opening effect

Inactive Publication Date: 2009-08-05
TIANJIN NONGKE FOOD BIO TECH & SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Affect the preservation effect

Method used

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  • Anti-mist air-conditioning preservative film
  • Anti-mist air-conditioning preservative film
  • Anti-mist air-conditioning preservative film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] Low-density polyethylene resin 100 kg

[0059] Ethylene-vinyl acetate resin 15 kg

[0060] Linear Polyethylene Resin 10kg

[0061] Tween-20 1.0 kg

[0062] Span-20, 1.0 kg

[0063] Fluoride 5kg

[0064] Activated carbon 4 kg

[0065] 1076 antioxidant 0.4 kg

[0066] Antistatic agent SWJU-1 1.5 kg

[0067]Polyethylene wax 0.5 kg

[0068] The ingredients are weighed according to the above proportions, and after mixing by a plastic particle mixer, the film is blown by a Φ45-Φ65mm single-screw extrusion blow molding machine. The screw speed of the blow molding film is 55r / min, and the temperature of the four stages is: 100°C, 125°C, 160°C, and 175°C.

[0069] 1. The production of masterbatch, which is filled with high-speed twin-screw exhaust type gripping extrusion granulation unit, the production process:

[0070] The masterbatch material and the base resin are weighed and proportioned, mixed and mixed, and then sent to the metering feeder, then into the twin-scr...

Embodiment 2

[0074] Low-density polyethylene resin 100 kg

[0075] Ethylene-vinyl acetate resin 5 kg

[0076] Linear polyethylene resin 5 kg

[0077] Tween-20 0.3 kg

[0078] Span-20, 0.3 kg

[0079] Fluoride 3 kg

[0080] Activated carbon 3 kg

[0081] 1076 antioxidant 0.3 kg

[0082] Antistatic agent SWJU-1 0.1 kg

[0083] Polyethylene wax 0.3 kg

[0084] The ingredients are weighed according to the above proportions, and after mixing by a plastic particle mixer, the film is blown by a Φ45-Φ65mm single-screw extrusion blow molding machine. The screw speed of the blow molding film is 55r / min, and the temperature of the four stages is: 100°C, 125°C, 160°C, and 175°C.

Embodiment 3

[0086] Low-density polyethylene resin 100 kg

[0087] Ethylene-vinyl acetate resin 15 kg

[0088] Linear polyethylene resin 25 kg

[0089] Tween-20 0.5 kg

[0090] Span-20, 0.5kg

[0091] Fluoride 8 kg

[0092] Activated carbon 8 kg

[0093] 1076 antioxidant 0.6 kg

[0094] Antistatic agent SWJU-1 3 kg

[0095] Polyethylene wax 2 kg

[0096] The ingredients are weighed according to the above proportions, and after mixing by a plastic particle mixer, the film is blown by a Φ45-Φ65mm single-screw extrusion blow molding machine. The screw speed of the blow molding film is 55r / min, and the temperature of the four stages is: 100°C, 125°C, 160°C, and 175°C.

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Abstract

An anti-fogging air conditioned preservative film adding anti-fogging materials comprises the following components: 100 portions of low-density polythene resin, 15 portions of linear polythene resin, 10 portions of ethylene-vinyl acetate resin, 0.5 portion of tween-20, 0.5 portion of span-20, 5 portions of fluoride, 4 portions of active carbon, 0.4 portion of 1076 antioxidant, 1.5 portions of SWJU-1 anlistatig and 0.5 portion of polythene wax. The preservative film is formed by mixing and blow-molding according to the feed proportioning. The manufactured film has bidirectional adjusting ability of O2 and CO2, and therefore, when used for small-package storage, the film can spontaneously adjust air and has good anti-fogging performance without condensation of moisture in the bag, and has stronger sorption function and permeability for vapor, and the like.

Description

technical field [0001] The invention belongs to agricultural product fresh-keeping film, in particular to a kind of grain fresh-keeping film filled with anti-fog materials-anti-fog modified atmosphere fresh-keeping film and its production method. Background technique [0002] Its fresh-keeping performance of general preservative film can't be perfect at present. When using plastic wrap to keep grain fresh, when encountering temperature changes, the moisture in the space inside the plastic wrap will cause fog to form on the wall of the plastic wrap. Affect the preservation effect. Contents of the invention [0003] The object of the present invention is to provide a grain preservative film added with anti-fog material-anti-fog modified atmosphere preservative film and its production method, so as to overcome the shortcomings and deficiencies of the existing general preservative film technology. Make it use fresh-keeping effect to improve. [0004] The purpose of the pres...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08K13/02C08K5/103C08K3/04B29C55/28A23B9/14B29L7/00
Inventor 李喜宏陈杨孙榕黄姝张培培李伟丽
Owner TIANJIN NONGKE FOOD BIO TECH & SCI
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