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Degradable sealing membrane material preparing method, product and sealed container

A technology of sealing containers and sealing films, applied in packaging, household utensils, cans/barrels/barrels, etc., can solve the problems of opacity, easy to break, difficult to bond metal containers, etc., and achieve high product quality stability, softness and Moderate strength and excellent processability

Active Publication Date: 2016-08-24
英联金属科技(汕头)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Difficult to degrade; after the sealed container is opened, it is generally necessary to tear off the sealing film as a whole and throw it away (the sealing film is generally an inner seal, and after being torn off, it is covered by an external cover), if the sealing film is difficult to degrade, then It will have an impact on the environment. With the increasing awareness of environmental protection and the increasing requirements for various products, the sealing film that is difficult to degrade will be gradually eliminated;
[0004] 2. It is difficult to bond with metal containers. When traditional sealing film materials are bonded to metal containers, it is difficult to stick tightly and easy to loosen. This is related to the material itself and the bonding process;
[0005] 3. Due to the relationship between its preparation process, the traditional sealing film material has poor physical properties, is easy to break, etc., and has poor secondary plasticity (processing), which also leads to restrictions on the subsequent heat sealing process with the container body;
[0006] 4. There is a traditional way of compounding the sealing film with aluminum foil to increase the strength, but this leads to another problem, that is, it is opaque and it is difficult to observe the situation inside the container

Method used

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  • Degradable sealing membrane material preparing method, product and sealed container
  • Degradable sealing membrane material preparing method, product and sealed container
  • Degradable sealing membrane material preparing method, product and sealed container

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] The preparation method of the degradable sealing film material provided in this embodiment includes the following steps:

[0047] 1) Prepare the following components in parts by weight:

[0048]

[0049]

[0050] The coupling agent is aminosilane, the plasticizer is dioctyl phthalate, the preservative is zinc borate, and the lubricant is paraffin; the stabilizer is di-n-octyltin dilaurate;

[0051] 2) Mix at a high speed at a temperature of 120°C until uniform;

[0052] 3) Plasticizing under the condition of temperature 150℃, plasticizing for 60min;

[0053] 4) Set up a calendering forming mechanism, the calendering forming mechanism includes a first hot-pressing roller, a second hot-pressing roller, a first cooling roller, a third hot-pressing roller, a fourth hot-pressing roller, and a peeling roller , calendering rollers, guide rollers; calendering is carried out by the calendering mechanism, and the conditions in the calendering process are as follows: the t...

Embodiment 2

[0068] The preparation method of the degradable sealing film material provided in this embodiment includes the following steps:

[0069] 1) Prepare the following components in parts by weight:

[0070]

[0071] The coupling agent is aminosilane, the plasticizer is dioctyl phthalate, the preservative is zinc borate, and the lubricant is paraffin; the stabilizer is di-n-octyltin dilaurate;

[0072] 2) Mix at a high speed at a temperature of 120°C until uniform;

[0073] 3) Plasticizing under the condition of temperature 150℃, plasticizing for 60min;

[0074]4) Set up a calendering forming mechanism, the calendering forming mechanism includes a first hot-pressing roller, a second hot-pressing roller, a first cooling roller, a third hot-pressing roller, a fourth hot-pressing roller, and a peeling roller , calendering rollers, guide rollers; calendering is carried out by the calendering mechanism, and the conditions in the calendering process are as follows: the temperature of...

Embodiment 3

[0087] This embodiment is basically the same as Embodiment 2, and the difference lies in:

[0088] In step 1), 5 parts of brominated diphenol-based propane epoxy resin are also included. Although the addition of brominated diphenol-based propane epoxy resin increases the cost, it can improve certain flame retardant performance, bonding performance and thermal stability performance. For some special container sealing, such as containers used in high temperature environments, is a good choice.

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PUM

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Abstract

The invention discloses a degradable sealing membrane material preparing method and a product. The degradable sealing membrane material can be degraded in the natural environment after being discarded; furthermore, the material has moderate flexibility and strength, is not prone to breaking, has high flame retardation, adhesive property and thermal stability and excellent heat sealing processability, and has a wide application range; heat sealing can be well achieved between the material and metal especially, and disengagement can not be caused easily. The invention further discloses a method for preparing a metal sealed container made of the degradable sealing membrane material and a product. Through improvement in both technology and structure, heat sealing between a metal container body and a sealing membrane can be well achieved in adhering, hooping and buckling modes, and the condition in the container can be observed more or less due to the semitransparent property.

Description

technical field [0001] The invention relates to the preparation of a degradable sealing film material and a sealing container, in particular to a preparation method of the degradable sealing film material, a product and a sealing container using the degradable sealing film. Background technique [0002] Sealed containers are mostly made of injection-molded plastic parts as the container body, and then heat-sealed by sealing film materials, and the most common sealing film materials are various resin films. Traditional sealing film materials have the following shortcomings: [0003] 1. Difficult to degrade; since the sealing film is generally torn and thrown away after the sealed container is opened (the sealing film is generally sealed inside, after tearing, it is covered by the outer cover). If the sealing film is difficult to degrade, then It will have an impact on the environment. With the increasing awareness of environmental protection, the requirements for various pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L51/04C08L97/02C08L3/02C08L89/00C08L91/00C08L23/28C08L91/06C08L63/00C08K13/02C08K3/40C08K5/12C08K3/38C08K5/57B65D77/20
CPCB29C43/24B29C43/52B29C65/18B29L2031/712B65D1/16B65D77/20B65D77/2024C08J5/18C08J2327/06C08J2403/02C08J2451/04C08J2497/02C08K2201/011C08L27/06C08L2201/06C08L2203/162C08L2205/035C08L51/04C08L97/02C08L3/02C08L89/00C08L91/00C08L23/286C08L91/06C08L63/00C08K13/02C08K3/40C08K5/12C08K2003/387C08K5/57
Inventor 黎泽棉李敬原
Owner 英联金属科技(汕头)有限公司
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