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Label film and preparation method thereof

A label and polyethylene technology, applied in the coating and other directions, can solve the problems of single component of the label film and poor surface printing performance of the product, and achieve the effect of not easy to break and aging, preventing aging and yellowing, and reducing the precipitation of crystal points.

Pending Publication Date: 2022-02-01
GUANGDONG ANDELI NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, most of the existing label films have a single component, and most of the label films are processed by extrusion blow molding, and the surface printing performance of the products is poor

Method used

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  • Label film and preparation method thereof
  • Label film and preparation method thereof
  • Label film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A label film comprising the following raw materials in parts by weight:

[0041] 40 parts of polyethylene, 30 parts of polymethacrylate, 12 parts of acrylate, 5 parts of masterbatch, 1 part of antioxidant, 0.7 part of leveling agent, 1.0 part of wetting and dispersing agent.

[0042] Specifically, the leveling agent is an acrylic leveling agent.

[0043] The wetting and dispersing agent is HLD-5 wetting and dispersing agent.

[0044] Polyethylene includes raw materials with the following mass fractions:

[0045] Low-density polyethylene 25%, high-density polyethylene 45% and modified polyethylene 30%.

[0046] The modified polyethylene is a mixture of ethylene-acrylate copolymer and ethylene-methacrylate copolymer in any proportion.

[0047] The antioxidant is 1010 antioxidant.

[0048] A method for preparing a label film, comprising the steps of:

[0049] (1) Take the above-mentioned raw materials in proportion, and set aside;

[0050] (2) Uniformly mix polyethyl...

Embodiment 2

[0063] A label film comprising the following raw materials in parts by weight:

[0064] 35 parts of polyethylene, 25 parts of polymethacrylate, 10 parts of acrylate, 10 parts of masterbatch, 1 part of antioxidant, 1 part of leveling agent, 0.6 part of wetting and dispersing agent.

[0065] Specifically, the leveling agent is a silicone leveling agent.

[0066] Wetting and dispersing additives are solvent-based wetting and dispersing additives.

[0067] Polyethylene includes raw materials with the following mass fractions:

[0068] Low-density polyethylene 20%, high-density polyethylene 45% and modified polyethylene 35%.

[0069] The modified polyethylene is ethylene-acrylate copolymer, ethylene-methacrylate copolymer, ethylene-butylene acrylate copolymer, maleic anhydride grafted polyethylene and chlorinated polyethylene mixed in any proportion.

[0070] The antioxidant is 1076 antioxidant.

[0071] A method for preparing a label film, comprising the steps of:

[0072] (1...

Embodiment 3

[0087] A label film comprising the following raw materials in parts by weight:

[0088] 45 parts of polyethylene, 35 parts of polymethacrylate, 15 parts of acrylate, 13 parts of masterbatch, 2.5 parts of antioxidant, 0.8 part of leveling agent, 1.3 parts of wetting and dispersing agent.

[0089] Specifically, the leveling agent is a phosphoric acid ester modified acrylic leveling agent.

[0090] The wetting and dispersing agent is HLD-5 wetting and dispersing agent.

[0091] Polyethylene includes raw materials with the following mass fractions:

[0092] Low-density polyethylene 30%, high-density polyethylene 35% and modified polyethylene 35%.

[0093] The modified polyethylene is a mixture of ethylene-butylene acrylate copolymer, maleic anhydride grafted polyethylene and chlorinated polyethylene in any proportion.

[0094] The antioxidant is 1010 antioxidant.

[0095] A method for preparing a label film, comprising the steps of:

[0096] (1) Take the above-mentioned raw m...

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Abstract

The invention discloses a label film, belonging to the technical field of films. The label film comprises the following raw materials by weight: 35-45 parts of polyethylene, 25-35 parts of polymethacrylate, 10-15 parts of acrylate, 5-15 parts of color master batch, 1-3 parts of an antioxidant, 0.4-1 part of a leveling agent, and 0.6-1.5 parts of a wetting dispersant. Meanwhile, the invention also discloses a method for preparing the label film by using an extrusion casting machine. According to the invention, the prominent defects of a single-component label film are effectively overcome; meanwhile, the label film is prepared by combining an extrusion casting machine, so surface crystal points of a product can be further reduced, and meanwhile, the glossiness of the product is improved; and the preparation method is simple in process, easy to operate and beneficial to industrial popularization.

Description

technical field [0001] The invention relates to the field of film technology, and more specifically relates to a label film and a preparation method thereof. Background technique [0002] With the rapid development of the economy, the label printing industry has made great progress. At present, there are various label films on the market. PE, PP, PVC and other synthetic materials are commonly used. The film materials are mainly white, matte and transparent. Widely used in food, daily chemical, washing products, medicine, cosmetics, home appliances, supermarkets, logistics and other industries. [0003] Labels can be used in a wide variety of labeling applications and end-use areas. For example, in beverage labels, food labels, home and personal care labels and marking industrial products. The surface of the item to be labeled can be plastic, rubber, glass, metal, ceramic, wood, fabric or paper based. Items to be labeled can be plastic items, glass containers or metal con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/04C08L23/06C08L23/08C08L51/06C08L23/28C08J5/18B29C41/26B29C59/10
CPCC08J5/18B29C41/26B29C59/10C08J2333/04C08J2423/06C08J2423/08C08J2451/06C08J2423/28
Inventor 王毅刚邱育渠袁胜曾建宏
Owner GUANGDONG ANDELI NEW MATERIALS CO LTD
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