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Reducing blow molding packing barrel and preparation method thereof

A packaging barrel and weight reduction technology, which is applied in the field of blow molding plastics, can solve the problems of cost reduction and achieve the effects of reduced material consumption, high output power, and uniform wall thickness

Inactive Publication Date: 2014-05-28
JINBIN DONGBAO TIANJIN TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Demand always drives technological progress, and technological progress continues to create miracles of high quality and low price. Many materials that used to be expensive have now reduced their cost on a large scale due to large-scale production.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The invention provides a reduced-weight blow-molded packaging barrel and a preparation method thereof, comprising the following process steps:

[0029] (1) Weigh 100 parts of high-density polyethylene and place it in a mixer, first add 1.5 parts of epoxy linseed oil, 0.1 part of 2-hydroxy-4-n-octyloxybenzophenone, and 1 part of stearin Calcium acid, 2 parts of nitrile powder rubber, adjust the speed of the mixer to 5m / s, the temperature is 30 ℃, mix and stir for 10 minutes, then add 0.09 parts of antioxidant 1010 and 0.08 parts of dilauryl thiodipropionate , adjust the speed of the mixer to 4m / s, the temperature to 70°C, mix and stir for 10 minutes, and mix into a mixture;

[0030] (2) Put the mixture in the hopper of the conical twin-screw extruder. The barrel is a seven-section barrel structure, the seventh section of the barrel is the die head, and the temperature of the barrel is set to: 120°C in the first zone and 128 in the second zone. ℃, 130℃ in the third zone,...

Embodiment 2

[0036] The invention provides a reduced-weight blow-molded packaging barrel and a preparation method thereof, comprising the following process steps:

[0037] (1) Weigh 100 parts of high-density polyethylene and place it in a mixer, first add 2.5 parts of epoxy linseed oil, 0.3 parts of 2-hydroxy-4-n-octyloxybenzophenone, and 0.5 parts of stearin Calcium acid, 0.5 parts of nitrile powder rubber, adjust the speed of the mixer to 6m / s, the temperature is 45 ° C, mix and stir for 10 minutes, then add 0.06 parts of antioxidant 1010 and 0.1 part of dilauryl thiodipropionate , adjust the speed of the mixer to 5m / s, the temperature to 50°C, mix and stir for 10 minutes, and mix into a mixture;

[0038] (2) Put the mixture in the hopper of the conical twin-screw extruder. The barrel is a seven-section barrel structure, the seventh section of the barrel is the die head, and the temperature of the barrel is set to: 125°C in the first zone and 135 in the second zone. ℃, the third zone is...

Embodiment 3

[0044] The invention provides a reduced-weight blow-molded packaging barrel and a preparation method thereof, comprising the following process steps:

[0045] (1) Weigh 100 parts of high-density polyethylene and place it in a mixer, first add 2 parts of epoxy linseed oil, 0.2 parts of 2-hydroxy-4-n-octyloxybenzophenone, and 0.8 parts of stearin Calcium acid, 1 part of nitrile powder rubber, adjust the speed of the mixer to 5m / s, the temperature is 40 ° C, mix and stir for 10 minutes, then add 0.08 parts of antioxidant 1010 and 0.09 parts of dilauryl thiodipropionate , adjust the speed of the mixer to 5m / s, the temperature to 60°C, mix and stir for 10 minutes, and mix into a mixture;

[0046] (2) Put the mixture in the hopper of the conical twin-screw extruder. The barrel is a seven-section barrel structure, the seventh section of the barrel is the die head, and the temperature of the barrel is set to: 123°C in the first zone and 130 in the second zone. ℃, the third zone is 13...

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Abstract

The invention provides a reducing blow molding packing barrel and a preparation method thereof. The reducing blow molding packing barrel is prepared by raw materials in parts by weight as follows: 100 parts of high-density polyethylene, 1.5-2.5 parts of epoxy linseed oil, 0.1-0.3 parts of an ultraviolet light absorber, 0.5-1 part of calcium stearate, 0.5-2 parts of powdered nitrile rubber, 0.06-0.09 part of a main antioxidant and 0.08-0.1 part of an auxiliary antioxidant. The invention further provides a preparation method of the reducing blow molding packing barrel, and a multipoint wall thickness control system for a hollow blow molding parison is introduced. The reducing blow molding packing barrel and the preparation method have the advantages and the benefits as follows: the heat resistance, the toughness effect and the oxidation resistance of a product are improved, production reduction of the product is realized, relatively uniform wall thickness of the final product is guaranteed, and used materials, product weight and environmental pollution are reduced.

Description

technical field [0001] The invention belongs to the field of blow molding plastics, and in particular relates to a weight reduction blow molding packaging bucket and a preparation method thereof. Background technique [0002] Packaging is one of the most important application fields of plastic materials, especially for thermoplastic materials, the demand and development of the packaging industry directly change or guide the development direction of plastic material manufacturing and processing technology. Generally speaking, plastic packaging materials and products are currently facing enormous pressure in three aspects: first, to improve the performance of products, such as increasing the transparency, heat resistance, mechanical strength and barrier properties of materials and products; The second is the pressure from environmental protection; the third is the pressure to reduce costs. As a result of the mutual restriction and interaction of the three aspects, except for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L9/02C08K5/00C08K5/1515C08K5/098C08K5/132C08K5/134C08K5/372B29C49/04
CPCB29C49/04C08L23/06C08L2201/08C08L2207/062C08L9/02C08K5/00C08K5/1515C08K5/098C08K5/132C08K5/1345C08K5/372
Inventor 张桂英
Owner JINBIN DONGBAO TIANJIN TECH DEV
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