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High-tensile cold drawing film and preparation method thereof

A high-strength, stretched film technology, applied in the direction of chemical instruments and methods, layered products, synthetic resin layered products, etc., can solve the problems of further improvement in strength, easy deformation, poor thermal stability, etc., to achieve processing Improved performance, enhanced toughness, good thermal stability

Active Publication Date: 2018-12-28
KUNSHAN JINMENG PLASTIC FILM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] CN103029397A discloses a film and its production method. The film includes three parts: an outer layer, a middle layer and an inner layer. The layer is composed of LDPETN00, MDPE 1018HA, LLDPE 0209AA, LLDPE 120F, the middle layer is composed of MDPE 2310, LLDPE 2230, LLDPE0209AA, 075 masterbatch, the inner layer is composed of LDPE TN00, MDPE 1018HA, MDPE 5400, MDPE 1018FA, LLDPE0209AA0, LLDPE, 12 By adjusting the raw material ratio of each layer, a film that is easy to mass-produce, has high friction on the surface and low friction on the inner layer has been prepared, but its strength needs to be further improved
However, its thermal stability is not good, and it is easy to deform when used at high temperatures above 150°C

Method used

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  • High-tensile cold drawing film and preparation method thereof

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Experimental program
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Embodiment 1

[0026] The high-strength cold-stretched film of this embodiment includes three parts: outer layer, middle layer and inner layer. The weight of the outer layer accounts for 16% of the total weight of the film, the weight of the middle layer accounts for 68% of the total weight of the film, and the weight of the inner layer accounts for 16% of which, by weight percentage,

[0027] The raw material for the preparation of the outer layer is composed of 45% MLLDPE 1018MF and 55% MLLDPE 1018MA;

[0028] The raw materials for the middle layer are composed of 65% elastomer MX 021, 32% VM 6102 and 3% functional masterbatch TC750;

[0029]The raw materials for the inner layer are composed of 38% MLLDPE 1018MA, 30% MLLDPE 1018MF, 30% MDPE5401 and 2% HDPE-F15.

[0030] The preparation method of the high-strength cold-stretched film of the present embodiment is as follows:

[0031] 1) Mixing: prepare the outer layer raw material mixture after mixing the preparation raw materials of the o...

Embodiment 2

[0035] The high-strength cold-stretched film of this embodiment includes three parts: an outer layer, a middle layer, and an inner layer. The weight of the outer layer accounts for 20% of the total weight of the film, the weight of the middle layer accounts for 60% of the total weight of the film, and the weight of the inner layer accounts for 20% of which, by weight percentage,

[0036] The raw material for the preparation of the outer layer is composed of 40% MLLDPE 1018MF and 60% MLLDPE 1018MA;

[0037] The raw materials for the middle layer are composed of 62% elastomer MX 021, 37% VM 6102 and 1% functional masterbatch TC750;

[0038] The raw materials for the inner layer are composed of 40% MLLDPE 1018MA, 25% MLLDPE 1018MF, 30% MDPE5401 and 5% HDPE-F15.

[0039] The preparation method of the high-strength cold-stretched film of this embodiment is the same as that of Embodiment 1, and will not be repeated here.

Embodiment 3

[0041] The high-strength cold-stretched film of this embodiment includes three parts: outer layer, middle layer and inner layer. The weight of the outer layer accounts for 15% of the total weight of the film, the weight of the middle layer accounts for 65% of the total weight of the film, and the weight of the inner layer accounts for 20% of which, by weight percentage,

[0042] The raw material for the preparation of the outer layer is composed of 45% MLLDPE 1018MF and 55% MLLDPE 1018MA;

[0043] The raw materials for the middle layer are composed of 62% elastomer MX 021, 33% VM 6102 and 5% functional masterbatch TC750;

[0044] The raw materials for the inner layer are composed of 32% MLLDPE 1018MA, 27% MLLDPE 1018MF, 40% MDPE5401 and 1% HDPE-F15.

[0045] The preparation method of the high-strength cold-stretched film of this embodiment is the same as that of Embodiment 1, and will not be repeated here.

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Abstract

The invention provides a high-tensile cold drawing film and a preparation method thereof. The high-tensile cold drawing film comprises an outer layer, a middle layer and an inner layer, wherein the weight of the outer layer is 10-20% of the total weight of the film, the weight of the middle layer is 60-70% of the total weight of the film, the weight of the inner layer is 10-20% of the total weightof the film, the outer layer consists of 40-50% of MLLDPE 1018MF and 50-60% of MLLDPE 1018MA, the middle layer consists of 60-70% of elastomers MX 021, 30-40% of VM 6102 and 0.5-5% of functional master batches TC750, and the inner layer consists of 30-40% of MLLDPE 1018MA, 20-40% of MLLDPE 1018MF, 20-40% of MDPE 5401 and 1-5% of HDPE-F15. The high-tensile cold drawing film disclosed by the invention is good in flexibility and high in tensile strength and has low probability of deformation, and is free from adhesion when being used.

Description

technical field [0001] The invention belongs to the technical field of films, and relates to a cold-stretched film and a preparation method thereof, in particular to a high-strength cold-stretched film and a preparation method thereof. Background technique [0002] PE stretch film (also known as stretch film) has high tensile strength, tear resistance, and good self-adhesiveness, so it can wrap objects into a whole and prevent them from falling apart and collapsing during transportation. The film has excellent transparency, wraps the object beautifully, and can make the object waterproof, dustproof, and damage-proof, so it is widely used in the packaging of goods pallets, such as electronics, building materials, chemicals, metal products, auto parts, wires and cables, daily necessities , food, paper and other industries of bundled packaging. Most PEs are used for blown film processing films, general low density PE (LDPE) or linear low density PE (LLDPE) are available. HDPE...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/32B32B27/06B32B27/18B32B27/20B32B33/00
CPCB32B27/06B32B27/18B32B27/20B32B27/32B32B33/00B32B2307/54
Inventor 李忠
Owner KUNSHAN JINMENG PLASTIC FILM