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Polyethylene resin composition used for preparing bottle caps

A technology of resin composition and polyethylene resin, which is applied in the field of polyethylene resin composition for manufacturing bottle caps, can solve problems such as inducing chemical reactions, and achieve the effects of improving the degree of dispersion, balancing the smoothing effect, and improving the smoothing effect.

Active Publication Date: 2014-03-12
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The price of silicone lubricants in the above-mentioned disclosed technology is relatively expensive, and a relatively large amount of unsaturated amide is still used in the composition that uses a co-lubricant to reduce the amount of erucamide, and there is a possibility of chemical reactions induced by light and oxygen.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 99.5Kg of polyethylene resin (brand 1), 40g of erucamide, 160g of oleamide and 300g of antioxidant were mixed evenly and then granulated with a twin-screw extruder to form a composition.

Embodiment 2

[0030] 99.23Kg of polyethylene resin (brand 1), 200g of erucamide, 400g of oleic acid amide and 170g of antioxidant were mixed evenly and then granulated with a twin-screw extruder to form a composition.

Embodiment 3

[0032] Mix 98.68Kg of polyethylene resin (brand 2), 150g of erucamide, 150g of oleamide, 800g of nano-zinc oxide and 220g of antioxidant, and then granulate it with a twin-screw extruder to form a composition.

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PUM

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Abstract

The invention discloses a polyethylene resin composition used for preparing bottle caps. The polyethylene resin composition is prepared by adding a composite smooth agent and nano zinc oxide into polyethylene resin, so that demands on smoothness are satisfied, and no peculiar smell is induced. The polyethylene resin composition comprises following ingredients: polyethylene resin, a certain proportion of a composition of erucyl amide and oleamide, polyethylene glycol, nano zinc oxide and an anti-oxidant.

Description

technical field [0001] The invention relates to a polyethylene resin composition for producing various beverage packaging bottle caps, in particular to a polyethylene resin composition comprising polyethylene resin, a composite smoothing agent, nano-zinc oxide, and polyethylene glycol, and is used for manufacturing bottle caps. Vinyl composition. Background technique [0002] In recent years, due to considerations of cost, ease of processing, aesthetics and practicality, more and more PET beverage packaging bottles use bottle caps made of polyethylene resin. This type of bottle cap is made by continuous compression molding or injection molding using special resin, and then the bottle cap is sealed with the packaging bottle after filling the beverage. Closures for containers are only effective if the closure provides an adequate seal when the beverage bottle is filled, but also opens easily when the user desires to remove the beverage from the bottle. [0003] These two pro...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L71/08C08K5/20C08K3/22C08K13/02
CPCC08K3/22C08K5/20C08K2003/2296C08K2201/011C08K2201/014C08L23/06C08L2203/10C08L2207/062C08L71/02C08K13/02
Inventor 李朋朋白锦豫姜平杨世元李振宇薛山陈德智梁天珍张建纲牛承祥郝萍韩晓昱
Owner PETROCHINA CO LTD
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