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PET material for beverage bottle caps

A bottle cap and beverage technology, applied in the field of plastics, can solve problems such as long production cycle, limited use of polyethylene terephthalate, and difficulty in molding and processing

Inactive Publication Date: 2019-03-15
安徽洋龙塑业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the crystallization rate of polyethylene terephthalate is slow, the molding process is difficult, the molding temperature is high, the production cycle is long, and the impact performance is poor, which limits the use of polyethylene terephthalate

Method used

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  • PET material for beverage bottle caps

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A PET material for beverage bottle caps, its raw materials include by weight: 80 parts of polyethylene terephthalate, 15 parts of POE resin, 25 parts of filler, 0.07 parts of antioxidant, 3 parts of compatibilizer, the composition 2 parts of nucleating agent, 1.2 parts of plasticizer, 2 parts of lubricant;

[0019] Wherein, the nucleating agent is hydrotalcite, magnesium carbonate, sodium benzoate, PEG4000.

Embodiment 2

[0021] A PET material for beverage bottle caps, its raw materials include by weight: 70 parts of polyethylene terephthalate, 20 parts of POE resin, 20 parts of filler, 0.1 part of antioxidant, maleic anhydride graft compatible 2 parts of agent, 3 parts of nucleating agent, 1 part of tributyl citrate, 3 parts of lubricant;

[0022] Wherein, the nucleating agent is hydrotalcite, magnesium carbonate, sodium benzoate, PEG4000, wherein, the weight ratio of hydrotalcite, magnesium carbonate, sodium benzoate, PEG4000 is 1:1:1:1;

[0023] The filler is glass fiber, kaolin and polytetrafluoroethylene superfine powder, wherein the weight ratio of glass fiber, kaolin and polytetrafluoroethylene superfine powder is 0.5:15:3.

Embodiment 3

[0025] A PET material for beverage bottle caps, its raw materials include by weight: 90 parts of polyethylene terephthalate, 10 parts of POE resin, 30 parts of filler, 0.05 part of antioxidant, maleic anhydride graft compatible 4 parts of agent, 1 part of nucleating agent, 1.5 parts of tributyl citrate, 1 part of lubricant;

[0026] Wherein, the nucleating agent is hydrotalcite, magnesium carbonate, sodium benzoate, PEG4000, wherein, the weight ratio of hydrotalcite, magnesium carbonate, sodium benzoate, PEG4000 is 2:0.5:1.5:0.5;

[0027] The filler is glass fiber, kaolin, and polytetrafluoroethylene ultrafine powder, wherein the weight ratio of glass fiber, kaolin, and polytetrafluoroethylene ultrafine powder is 1:10:5;

[0028] The lubricant is white oil and stearic acid, wherein the weight ratio of white oil and stearic acid is 1:0.5;

[0029] The antioxidants are antioxidant 1010 and antioxidant BHT.

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Abstract

The invention discloses a PET material for beverage bottle caps. The PET material comprises the following raw materials in parts by weight: 70-90 parts of polyethylene terephthalate, 10-20 parts of aPOE resin, 20-30 parts of a filler, 0.05-0.1 part of an antioxidant, 2-4 parts of a compatilizer, 1-3 parts of a nucleating agent, 1-1.5 parts of a plasticizer and 1-3 parts of a lubricant, wherein the nucleating agent is hydrotalcite, magnesium carbonate, sodium benzoate and PEG4000. The PET material is high in crystallization speed, short in crystallization time and high in impact resistance.

Description

technical field [0001] The invention relates to the technical field of plastics, in particular to a PET material for beverage bottle caps. Background technique [0002] Polyethylene terephthalate (PET for short) is a milky white or light yellow, highly crystalline polymer with a smooth and shiny surface. It has the appearance of glass, is odorless and tasteless, and has good air tightness. It is often used as a material for the production of beverage bottles and bottle caps. However, the crystallization rate of polyethylene terephthalate is slow, the molding process is difficult, the molding temperature is high, the production cycle is long, and the impact performance is poor, which limits the use of polyethylene terephthalate. Contents of the invention [0003] Based on the technical problems in the background technology, the present invention proposes a PET material for beverage bottle caps. The present invention has fast crystallization speed, short crystallization tim...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L23/08C08L71/02C08L27/18C08K13/04C08K3/26C08K5/098C08K7/14C08K3/34
CPCC08K2003/267C08L67/02C08L2203/10C08L2205/035C08L2205/24C08L23/0815C08L71/02C08L27/18C08K13/04C08K3/26C08K5/098C08K7/14C08K3/346
Inventor 吕明华
Owner 安徽洋龙塑业有限公司
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