Soft-type semi-high-temperature cooking film and manufacturing method thereof

A technology of high-temperature cooking and production methods, applied to chemical instruments and methods, flexible coverings, packaging, etc., can solve the problems of inconvenient transportation and handling, general impact resistance, and packaging rupture, and achieve convenient production and preparation , the effect of strong impact resistance

Inactive Publication Date: 2012-09-26
SHANGHAI ZIJIANG NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The impact resistance of ordinary semi-high temperature cooking film is average. When packaging hard and angular foods, such as rice and poult...

Method used

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  • Soft-type semi-high-temperature cooking film and manufacturing method thereof
  • Soft-type semi-high-temperature cooking film and manufacturing method thereof
  • Soft-type semi-high-temperature cooking film and manufacturing method thereof

Examples

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Effect test

Embodiment 1

[0023] Semi-high temperature cooking film, its structure is as follows figure 1 As mentioned above, including the heat-sealing layer 1, core layer 2 and corona layer 3 arranged in sequence, the heat-sealing layer 1 is made of polypropylene copolymer, and its melt index is 8-12g / 10min (test conditions: standard caliber 2.095mm, The temperature is 230°C, the load is 2.16kg), and finally the film is obtained by plasticizing and extruding through an extruder, and the core layer 2 is produced by blending propylene homopolymer, which is obtained by plasticizing and extruding through an extruder, and the melt index is 6-8g / 10min (test conditions: standard diameter 2.095mm, temperature 230°C, load 2.16kg), the corona layer 3 is made of propylene / ethylene random copolymer, and the melt index is 6-8g / 10min (test conditions: standard diameter 2.095mm, The temperature is 230°C, the load is 2.16kg), the heat-sealing layer is plasticized and extruded at 230°C, the core layer and the corona...

Embodiment 2

[0028] Soft semi-high temperature cooking film, its structure is as follows figure 1 As mentioned above, including the heat-sealing layer 1, the core layer 2 and the corona layer 3, the heat-sealing layer 1 is made of a propylene copolymer, and its melt index is 8-12g / 10min (test conditions: standard diameter 2.095mm, temperature 230°C, The load is 2.16kg), and finally the film is obtained by plasticizing and extruding through an extruder, and the core layer 2 is produced by blending ethylene-propylene elastomer and propylene homopolymer, which is obtained by plasticizing and extruding through an extruder, and the melt index is 6-8g / 10min (test conditions: standard diameter 2.095mm, temperature 190°C, load 2.16kg), the ethylene content of the ethylene-propylene elastomer is 10%, and the weight ratio of the ethylene-propylene elastomer to the propylene homopolymer is 10:100. The corona layer 3 is made of propylene / ethylene random copolymer with a melt index of 6-8g / 10min (test...

Embodiment 3

[0031] Soft semi-high temperature cooking film, its structure is as follows figure 1As mentioned above, including the heat-sealing layer 1, the core layer 2 and the corona layer 3, the heat-sealing layer 1 is made of a propylene copolymer, and its melt index is 8-12g / 10min (test conditions: standard diameter 2.095mm, temperature 230°C, The load is 2.16kg), and finally the film is obtained by plasticizing and extruding through an extruder, and the core layer 2 is produced by blending ethylene-propylene elastomer and propylene homopolymer, which is obtained by plasticizing and extruding through an extruder, and the melt index is 6-8g / 10min (test conditions: standard diameter 2.095mm, temperature 190°C, load 2.16kg), the ethylene content of the ethylene-propylene elastomer is 10%, and the weight ratio of the ethylene-propylene elastomer to the propylene homopolymer is 30:100. The corona layer 3 is made of propylene / ethylene random copolymer with a melt index of 6-8g / 10min (test ...

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Abstract

The invention relates to a soft-type semi-high-temperature cooking film, which comprises a heat-sealing layer, a core layer and a corona layer and is prepared by a casting technology of co-extrusion of multiple extruders in a T-die. Compared with a prior art, the method of the invention is convenient for production. When packaging food, especially hard food and food with water caltrop shape, the prepared film will not rupture if it falls off from a height during transportation, storage and boiling, and has high impact resistance; after placing at -10 DEG C for 4h, the film can resist impact of 180g falling ball from a height of 1520mm and can be boiled at 121 DEG C for 45 min.

Description

technical field [0001] The invention relates to a cooking film, in particular to a soft semi-high temperature cooking film and a manufacturing method thereof. Background technique [0002] According to different cooking temperatures, cooking film can be divided into high-temperature cooking film and semi-high-temperature cooking film. The cooking temperature of high-temperature cooking film is 135 degrees, and the cooking temperature of semi-high-temperature cooking film is 121 degrees. . The impact resistance of ordinary semi-high temperature cooking film is average. When packaging hard and angular foods, such as rice and poultry meat, it is easy to cause the packaging to break when falling from a high place, which brings great inconvenience to transportation and handling. In order to design a high-temperature cooking film that is not easy to break, the film is required to have higher impact resistance, and it will not break when falling under conditions such as cooking, r...

Claims

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Application Information

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IPC IPC(8): B32B27/08B32B27/32B65D65/40B29C47/92B29C71/04B29C48/92
CPCB29C48/08B29C48/92B29C2948/92704B29C2948/92895
Inventor 丁霖刘海航殷红娟
Owner SHANGHAI ZIJIANG NEW MATERIAL TECH CO LTD
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