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Antimicrobial biodegradable packaging hose material and method for preparing hose using same

A technology of biodegradation and biodegradable resin, which is applied in packaging hose materials, antibacterial biodegradable packaging hose materials and their manufacturing fields, to achieve the effects of reducing the cost of use, alleviating environmental protection, and reducing the pressure of environmental protection

Active Publication Date: 2014-08-13
浙江嘉亨包装技术有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention adopts polybutylene adipate terephthalate (PBAT) as the main raw material, and prepares antibacterial masterbatch by double-coating the antibacterial agent on the surface of the fluidized bed, and then extruding through an extruder to prepare biodegradable antibacterial There are few domestic reports on flexible packaging hose materials

Method used

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  • Antimicrobial biodegradable packaging hose material and method for preparing hose using same

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preparation example Construction

[0036] The preparation method of the antibacterial biodegradable packaging hose of the present invention includes the preparation method of the antibacterial masterbatch and the preparation method of the hose.

[0037] The steps of the preparation method of the antibacterial masterbatch include: the antibacterial agent is treated with a double-layer coating on the surface of a fluidized bed, and the first layer of coating treatment uses a silane coupling agent, a titanate or an aluminate coupling agent as a surface treatment agent, After the first layer of treatment is completed, it is dried on the spot, and then the second layer is coated with polybutylene succinate PBS, polybutylene adipate terephthalate PBAT or polyvinyl alcohol PVA solution. After being coated, it is dried to obtain a double-coated antibacterial agent.

[0038] The steps of the hose preparation method include: preliminarily mixing biodegradable resin, antibacterial masterbatch, antioxidant, plasticizer and...

Embodiment 1

[0041] The raw material components and mass percentage ratio of the antibacterial biodegradable packaging hose material are:

[0042] PBAT biodegradable resin: 95%,

[0043] Antibacterial masterbatch: 3%,

[0044] Antioxidant: 0.5%,

[0045] Plasticizer: 1%,

[0046] Stearic acid: 0.5%.

[0047] Weigh the raw materials according to the above mass percentage distribution ratio, and mix them uniformly in the mixer to obtain the mixed material, and then extrude the mixed material through the extruder to obtain a hose with a diameter of 10-50 mm and a wall thickness of 0.3-1 mm. After forming, it is cooled and cut into segments. Injection molding is performed on the segmented tubes, followed by printing and sealing processes.

Embodiment 2

[0049] The raw material components and mass percentage ratio of the antibacterial biodegradable packaging hose material are:

[0050] PBAT biodegradable resin: 91%,

[0051] Antibacterial masterbatch: 5%,

[0052] Antioxidant: 0.5%,

[0053] Plasticizer: 3%,

[0054] Oleamide: 0.5%.

[0055] Weigh the raw materials according to the above-mentioned parts by mass, and mix them uniformly in the mixer to obtain the mixed material, and then extrude the mixed material through an extruder to obtain a hose with a diameter of 10-50 mm and a wall thickness of 0.3-1 mm. After cooling, knife cutting and segmentation. Injection molding is performed on the segmented tubes, followed by printing and sealing processes.

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Abstract

The invention relates to an antimicrobial biodegradable packaging hose material and a method for preparing a hose using the same. The packaging hose material is characterized by comprising the following raw material components in percentage by mass: 60-98% of biodegradable resin, 0.5-15% of antimicrobial masterbatch, 0.5-1.0% of antioxidant, 0.5-15% of plasticizer and 0.5-10% of other additives. The method for preparing the hose comprises a method for preparing the antimicrobial masterbatch and a method for preparing the hose, wherein the method for preparing the antibacterial masterbatch comprises the step of carrying out double-layer coating on an antimicrobial agent on the surface of the fluidized bed; the method for preparing the hose comprises the steps of firstly mixing raw materials according to the raw material components of the packaging hose material and the mass percent, preparing into by an extrusion blending method in an extruder, molding the hose material, carrying out four-section layered cooling method and double-layer opposed rotation cutter treatment, molding an injection head, casting the shoulder, and then adding a layer of a photocured waterborne pre-printing processing layer on the surface of entire hose body.

Description

technical field [0001] The invention relates to a packaging hose material, in particular discloses an antibacterial biodegradable packaging hose material and a manufacturing method thereof, which are especially suitable for the packaging fields of cosmetics, liquid food and liquid medicine. Background technique [0002] In 2011, the world's total plastic output exceeded 280 million tons. In 2012, my country's total plastic consumption was about 80 million tons. The use of plastics has penetrated into all sectors of the national economy and all areas of people's lives. 25% of the world's total output of plastic products is used for packaging. [0003] With the continuous growth of plastic production and the continuous expansion of uses, it brings great convenience to people, but also brings serious pollution to the social environment. Various plastic wastes have caused great damage to the earth on which human beings depend for survival. . Therefore, a large amount of waste ...

Claims

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Application Information

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IPC IPC(8): C08L67/04C08L67/02C08L29/04C08L69/00C08K3/22C08J3/22F16L11/04
Inventor 陈伟陆冲杨益
Owner 浙江嘉亨包装技术有限责任公司
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