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A kind of tear-resistant packing bag film and its preparation method and packing bag

A packaging bag, anti-tearing technology, applied in the direction of transportation and packaging, packaging, chemical instruments and methods, etc., can solve the problems of reduced production efficiency, increased production cost, insufficient tear resistance, etc., to improve production efficiency, Good tear resistance, saving steps to install the wristband

Active Publication Date: 2017-11-24
GUANGDONG XINGGE NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the deficiencies of the above-mentioned prior art, the purpose of the present invention is to provide a tear-resistant packaging bag film and its preparation method and packaging bag, aiming at solving the need to install an additional pulley for the existing handbag due to insufficient tear resistance. environment, resulting in lower production efficiency and higher production costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] The polyamide co-extrusion film is processed by a five-layer casting machine, including five-layer films of A layer, B layer, C layer, D layer, and E layer;

[0078] Wherein, the raw material composition of the A-layer film includes 98 parts of polyamide and 2 parts of polyamide opening smoothing agent in terms of parts by mass.

[0079] The raw material composition of the B-layer film includes 50 parts of linear low-density polyethylene grafted with maleic anhydride and 50 parts of linear low-density polyethylene in parts by mass.

[0080] The raw material composition of the C-layer film includes 30 parts of linear low-density polyethylene, 10 parts of low-density polyethylene, and 60 parts of toughened polyethylene in terms of parts by mass.

[0081] The raw material composition of the D-layer film includes 30 parts of linear low-density polyethylene, 10 parts of low-density polyethylene, and 60 parts of toughened polyethylene in terms of parts by mass.

[0082] The ...

Embodiment 2

[0089] The polyamide co-extrusion film is processed by a five-layer casting machine, including five-layer films of A layer, B layer, C layer, D layer, and E layer;

[0090] Wherein, the raw material composition of the A-layer film includes 98 parts of polyamide and 2 parts of polyamide opening smoothing agent in terms of parts by mass.

[0091] The raw material composition of the B-layer film includes 75 parts of linear low-density polyethylene grafted with maleic anhydride and 25 parts of linear low-density polyethylene in parts by mass.

[0092] The raw material composition of the C-layer film includes 40 parts of linear low-density polyethylene, 20 parts of low-density polyethylene, and 40 parts of toughened polyethylene in terms of parts by mass.

[0093] The raw material composition of the D-layer film includes 30 parts of linear low-density polyethylene, 10 parts of low-density polyethylene, and 60 parts of toughened polyethylene in terms of parts by mass.

[0094] The ...

Embodiment 3

[0101] The polyamide co-extrusion film is processed by a five-layer casting machine, including five-layer films of A layer, B layer, C layer, D layer, and E layer;

[0102] Wherein, the raw material composition of the A-layer film includes 98 parts of polyamide and 2 parts of polyamide opening smoothing agent in terms of parts by mass.

[0103] The raw material composition of the B-layer film includes 65 parts of linear low-density polyethylene grafted with maleic anhydride and 35 parts of linear low-density polyethylene in parts by mass.

[0104] The raw material composition of the C-layer film includes 35 parts of linear low-density polyethylene, 15 parts of low-density polyethylene, and 50 parts of toughened polyethylene in terms of parts by mass.

[0105] The raw material composition of the D-layer film includes 35 parts of linear low-density polyethylene, 15 parts of low-density polyethylene, and 50 parts of toughened polyethylene in terms of parts by mass.

[0106] The ...

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Abstract

The invention discloses a packaging bag thin film resistant to tearing, a preparation method thereof and a packaging bag. The packaging bag thin film resistant to tearing is formed by compounding a polyamide co-extruded film and a toughening polyethylene thin film through an adhesive, the polyamide co-extruded film is formed in a tape-casting co-extrusion mode, and the toughening polyethylene thin film is formed in an air-cooling upward blowing mode. The packaging bag is prepared from the packaging bag thin film resistant to tearing. The packaging bag thin film resistant to tearing is good in tearing strength. Accordingly, a plastic wristband does not need to be installed on a handle through hole of the packaging bag, and integrity of the handle through hole can be guaranteed when the weight of 5 kg-10 kg is borne.

Description

technical field [0001] The invention relates to the field of packaging films, and mainly relates to a tear-resistant packaging bag film, a preparation method thereof, and a packaging bag. Background technique [0002] The rice bag (5kg or 10kg) on ​​the existing market is generally provided with a handle through hole at the upper end of the packaging bag, which is convenient for the user to carry. The existing rice bag packaging film is generally made of double-stretched nylon composite toughened polyethylene film. Because the tear resistance of the film is not enough, a plastic pull ring is usually installed at the through hole of the handle of the rice bag. , improve the load capacity of the rice bag, and prevent the film at the handle from breaking due to the excessive weight of the rice bag. In the process of preparing the handbag with this structure at present, to complete the welding work of the plastic pull ring and the raw material film, manual cooperation is requir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B27/34B32B27/18B32B27/08B32B27/32B32B7/12B32B33/00B32B37/15B32B37/08B32B38/00B32B37/12B32B43/00B65D30/10
CPCB32B7/12B32B27/08B32B27/18B32B27/32B32B27/34B32B33/00B32B37/08B32B37/12B32B37/153B32B38/00B32B43/003B32B2038/0028B65D31/04
Inventor 熊伟利
Owner GUANGDONG XINGGE NEW MATERIAL CO LTD
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