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Antifog polypropylene masterbatch material

An anti-fog masterbatch and polypropylene technology, applied in the field of polymer materials, can solve the problems of users not being able to see the products, easy to deteriorate and spoil, shorten the shelf life and shelf life of fresh products, achieve good fluidity, and avoid raw material dispersion Uneven, good anti-fog effect

Inactive Publication Date: 2013-01-16
JIANGSU BOILN PLASTICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The water content of fresh food itself is relatively high, and the temperature changes greatly during storage and transportation. When this kind of plastic film encounters temperature changes, it will form water drops or mist and become opaque, so that users cannot see the goods in the bag, and the bag will not be transparent. The products inside are prone to deterioration and corruption after exposure to water mist, which rapidly shortens the shelf life and shelf life of fresh products

Method used

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  • Antifog polypropylene masterbatch material
  • Antifog polypropylene masterbatch material
  • Antifog polypropylene masterbatch material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Weigh 60g of polypropylene, 90g of linear low-density polyethylene, 830g of anti-fog masterbatch, 19g of N,N-ethylene bisstearamide and 1g of antioxidant for thorough mixing, and add the mixed material to twin-screw extrusion In the hopper of the machine, the polypropylene anti-fog masterbatch is obtained through melt blending and extrusion granulation. Among them, the temperature of each heating zone of the screw machine is set as follows: the temperature of the first zone is 210°C, the temperature of the second zone is 230°C, the temperature of the third zone is 240°C, the temperature of the fourth zone is 220°C, and the temperature of the head of the twin-screw machine is 240°C. ℃, the residence time is 3-4min, and the pressure is 19MPa.

[0032] The prepared anti-fog masterbatch is mixed with polypropylene in different contents, and after mixing evenly, it is added to a twin-screw machine, melted, extruded and granulated to obtain a polypropylene anti-fog masterbatc...

Embodiment 2

[0034] Weigh 90g of polypropylene, 120g of linear low-density polyethylene, 750g of anti-fog masterbatch, 35g of N,N-ethylene bisstearamide and 5g of antioxidant for full mixing, and add the mixed materials to twin-screw extrusion In the hopper of the machine, the polypropylene anti-fog masterbatch is obtained through melt blending and extrusion granulation. Among them, the temperature of each heating zone of the screw machine is set as follows: the temperature of the first zone is 210°C, the temperature of the second zone is 230°C, the temperature of the third zone is 240°C, the temperature of the fourth zone is 220°C, and the temperature of the head of the twin-screw machine is 240°C. ℃, the residence time is 3-4min, and the pressure is 19MPa.

[0035] The prepared anti-fog masterbatch is mixed with polypropylene in different contents, and after mixing evenly, it is added to a twin-screw machine, melted, extruded and granulated to obtain a polypropylene anti-fog masterbatch ...

Embodiment 3

[0037] Weigh 75g of polypropylene, 105g of linear low-density polyethylene, 790g of anti-fog masterbatch, N, N-ethylene bisstearamide g and 3g of antioxidant to fully mix, and add the mixed material to twin-screw extrusion In the hopper of the machine, the polypropylene anti-fog masterbatch is obtained through melt blending and extrusion granulation. Among them, the temperature of each heating zone of the screw machine is set as follows: the temperature of the first zone is 210°C, the temperature of the second zone is 230°C, the temperature of the third zone is 240°C, the temperature of the fourth zone is 220°C, and the temperature of the head of the twin-screw machine is 240°C. ℃, the residence time is 3-4min, and the pressure is 19MPa.

[0038] The prepared anti-fog masterbatch is mixed with polypropylene in different contents, and after mixing evenly, it is added to a twin-screw machine, melted, extruded and granulated to obtain a polypropylene anti-fog masterbatch material...

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Abstract

The invention relates to an antifog polypropylene masterbatch material, and belongs to the field of high polymer materials. The antifog polypropylene masterbatch material comprises the following materials in percent by weight: 6% to 9% of polypropylene, 9% to 12% of linear low density polyethylene, 65% to 83% of antifogging agent, 1.9% to 3.5% of lubricant, and 0.1% to 0.5% of antioxidant. The antifogging agent is a nonionic surface active agent; and the nonionic surface active agent is one or more of ester of xylitol, sorbitan monopalmitate, lauric acid or animi resin acid monoglyceride. The antifog polypropylene masterbatch material is good in antifogging performance, simple in production process, safe and pollution-free.

Description

technical field [0001] The invention relates to a polypropylene anti-fog masterbatch material, which belongs to the field of polymer materials. Background technique [0002] Polypropylene (PP) film is widely used in the packaging field due to its low production cost, good comprehensive mechanical properties, non-toxicity, corrosion resistance, and easy recycling. The water content of fresh food itself is relatively high, and the temperature changes greatly during storage and transportation. When this kind of plastic film encounters temperature changes, it will form water drops or mist and become opaque, so that users cannot see the goods in the bag, and the bag will not be transparent. The products inside are prone to deterioration and corruption after contact with water mist, which rapidly shortens the shelf life and shelf life of fresh products. Therefore, developing a kind of polypropylene anti-fog masterbatch material is an important task for those skilled in the art. ...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/08C08K5/10C08K5/103C08K5/20C08K5/134C08K5/526C08J3/22
Inventor 龚伟
Owner JIANGSU BOILN PLASTICS CO LTD
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