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Manufacturing method of heat-resistant plastic bottle

A production method and technology of plastic bottles, which are applied in the field of plastic bottle production, can solve the problems of being easily affected by temperature, softening and deformation, etc., and achieve the effects of avoiding softening and deformation, good heat resistance, and expanding the scope of use

Inactive Publication Date: 2021-03-26
TIANJIN CHENGYUAN PACKAGING PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Plastic bottles are widely used because of their low cost of use and good performance. However, plastic bottles are generally made by blow molding, and their bodies are relatively thin, which makes them extremely susceptible to temperature effects during use. When it is high, it tends to soften and deform, which affects its use. Therefore, a heat-resistant plastic bottle is needed to expand its scope of use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method for making a heat-resistant plastic bottle, comprising the following steps:

[0025] Step 1, batching, accurately weigh raw materials, coloring masterbatch and high-temperature-resistant additives according to the formula, then put the weighed raw materials, coloring masterbatch and high-temperature-resistant additives into the mixer, and mix evenly;

[0026] Step 2, feeding, put the mixed ingredients into the barrel of the injection blowing machine, and heat the barrel to melt the ingredients, and complete the plasticization during the screw conveying and stirring process in the barrel;

[0027] Step 3, making embryos, injecting the plasticized ingredients into the mold through the screw conveyor to form plastic bottle embryos;

[0028] Step 4, forming, moving the embryo to a mold that matches the plastic bottle to be formed, closing the mold, and then starting to blow the embryo and form it;

[0029] Step 5, demoulding, cooling the plastic bottle mold, then ...

Embodiment 2

[0041] A method for making a heat-resistant plastic bottle, comprising the following steps:

[0042] Step 1, batching, accurately weigh raw materials, coloring masterbatch and high-temperature-resistant additives according to the formula, then put the weighed raw materials, coloring masterbatch and high-temperature-resistant additives into the mixer, and mix evenly;

[0043] Step 2, feeding, put the mixed ingredients into the barrel of the injection blowing machine, and heat the barrel to melt the ingredients, and complete the plasticization during the screw conveying and stirring process in the barrel;

[0044] Step 3, making embryos, injecting the plasticized ingredients into the mold through the screw conveyor to form plastic bottle embryos;

[0045] Step 4, forming, moving the embryo to a mold that matches the plastic bottle to be formed, closing the mold, and then starting to blow the embryo and form it;

[0046] Step 5, demoulding, cooling the plastic bottle mold, then ...

Embodiment 3

[0058] A method for making a heat-resistant plastic bottle, comprising the following steps:

[0059] Step 1, batching, accurately weigh raw materials, coloring masterbatch and high-temperature-resistant additives according to the formula, then put the weighed raw materials, coloring masterbatch and high-temperature-resistant additives into the mixer, and mix evenly;

[0060] Step 2, feeding, put the mixed ingredients into the barrel of the injection blowing machine, and heat the barrel to melt the ingredients, and complete the plasticization during the screw conveying and stirring process in the barrel;

[0061] Step 3, making embryos, injecting the plasticized ingredients into the mold through the screw conveyor to form plastic bottle embryos;

[0062] Step 4, forming, moving the embryo to a mold that matches the plastic bottle to be formed, closing the mold, and then starting to blow the embryo and form it;

[0063] Step 5, demoulding, cooling the plastic bottle mold, then ...

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PUM

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Abstract

The invention relates to a manufacturing method of a heat-resistant plastic bottle. The manufacturing method comprises the steps of 1 material preparing, 2 feeding, 3 embryo preparing, 4 molding, 5 demoulding, 6 disinfection, and 7 packaging. According to the invention, a high-temperature-resistant additive is added when the plastic bottle is prepared, so that the prepared plastic bottle is good in heat resistance, softening deformation caused by temperature rise is avoided, the application range is expanded, the manufacturing method is simple, and the production is convenient.

Description

technical field [0001] The invention relates to the technical field of plastic bottle production, in particular to a method for making a heat-resistant plastic bottle. Background technique [0002] Plastic bottles are widely used because of their low cost of use and good performance. However, plastic bottles are generally made by blow molding, and their bodies are relatively thin, which makes them extremely susceptible to temperature effects during use. When the temperature is high, it tends to soften and deform, which affects the use. Therefore, a heat-resistant plastic bottle is needed to expand its application range. Contents of the invention [0003] The invention aims to solve the deficiencies of the prior art, and provides a method for making a heat-resistant plastic bottle. [0004] In order to achieve the above object, the present invention adopts the following technical solutions: [0005] A method for making a heat-resistant plastic bottle, comprising the follo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/06C08L67/00C08K3/26C08K3/22C08K3/00C08K13/02C08K5/54B29D22/00
CPCC08L23/12B29D22/003C08L2205/02C08L2205/03C08K2201/011C08K2003/265C08K2003/2265C08L2203/10C08L2201/08
Inventor 张海明李焕生赵景阳董少民
Owner TIANJIN CHENGYUAN PACKAGING PROD
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