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Fully-transparent plastic bottleneck sealing element and production process thereof

A technology of transparent plastic and production process, applied in the field of daily polymer materials, can solve the problems of affecting quality, poor air tightness, damage to aluminum foil, etc., to achieve the effect of increasing adhesion, environmental protection of materials, and ensuring aesthetics

Inactive Publication Date: 2019-02-22
云南唯佳塑业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the sealing methods of plastic bottles mainly include the following types: pressure sensitive gasket: this method is not airtight, and can be realized by machine or by hand; aluminum foil gasket: this method is easy to damage the aluminum foil during the heat sealing process , leading to structural damage, thereby affecting quality; aluminum foil film: this method must be mechanically heat-sealed; easy-to-open lid: this method is easy to hurt hands; easy-to-tear film: this method must be mechanically completed
[0003] At present, all sealing processing technologies are in the form of heat sealing; the efficiency is low when used, and the quality of heat sealing products also has certain flaws

Method used

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  • Fully-transparent plastic bottleneck sealing element and production process thereof
  • Fully-transparent plastic bottleneck sealing element and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A fully transparent plastic bottle mouth seal and its manufacturing process, comprising a bottle cap main body 4, a lower sealing protrusion 2 is provided on the bottom of the surface of the bottle cap main body 4, and a PET sealing film 1 is fused on the top outer surface of the bottle cap main body 4 The side of the bottle cap body 4 close to the PET sealing film 1 is provided with an upper sealing protrusion 3, and the side of the surface of the PET sealing film 1 is provided with a pull ring main body 5, and a pull ring is glued between the pull ring main body 5 and the PET sealing film 1. Ring rubber block 6, the fully transparent plastic bottle mouth seal is made of the following raw materials in weight ratio: 40-60 parts of PET resin, 2-5 parts of toughening agent, 5-10 parts of antioxidant, plasticizer 8-12 parts, 3-5 parts of chemical nucleating agent, 3-4 parts of coloring agent, 1-3 parts of coupling agent, 3-5 parts of ultraviolet absorber, 15-25 parts of imp...

Embodiment 2

[0037] A fully transparent plastic bottle mouth seal and its manufacturing process are made of the following raw materials in the following weight ratio: 40 parts of PET resin, 2 parts of toughening agent, 5 parts of antioxidant 8 parts, 8 parts of plasticizer, 3 parts of chemical nucleating agent, 3 parts of coloring agent, 3 parts of UV absorber, 1 part of coupling agent, 15 parts of impact modifier.

[0038] Wherein, the toughening agent is: liquid nitrile rubber; the lubricant is a mixture of PE wax and stearate; the impact modifier is ACR impact modifier; the stabilizer is deodorized epoxy soybean oil; the lubricant is Zinc stearate.

[0039] A fully transparent plastic bottle mouth seal and its manufacturing process, comprising the following steps:

[0040] 1: Prepare a mixed solution of Cu(NO3)2·3H2O and Fe(NO3)3·9H2O according to the molar ratio (0.5~2):(1~3), add NaOH solution until the pH value is 10~11, and make water The sol, after washing and suction filtration,...

Embodiment 3

[0046] A fully transparent plastic bottle mouth seal and its manufacturing process are made of raw materials with the following weight ratio: 50 parts of PET resin, 3.7 parts of toughening agent, 7.5 parts of antioxidant 10 parts of plasticizer, 4 parts of chemical nucleating agent, 3.5 parts of coloring agent, 4 parts of UV absorber, 2 parts of coupling agent, 20 parts of impact modifier.

[0047] Among them, the toughening agent is: a mixture of liquid nitrile rubber, polyvinyl butyral, polyethersulfone, polyphenylene ether ketone, nano-calcium carbonate, and nano-titanium dioxide; the lubricant is PE wax, paraffin, stearic acid, Mixture in stearate; impact modifier is ACR impact modifier; stabilizer is deodorized epoxy soybean oil; lubricant is zinc stearate.

[0048] A fully transparent plastic bottle mouth seal and its manufacturing process, comprising the following steps:

[0049] 1: Prepare a mixed solution of Cu(NO3)2·3H2O and Fe(NO3)3·9H2O according to the molar rati...

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Abstract

The invention discloses a fully-transparent plastic bottleneck sealing element and a production process thereof. The fully-transparent plastic bottleneck sealing element comprises a bottle cap main body; the bottom of the surface of the bottle cap main body is provided with a lower sealing bulge; the outer surface of the top of the bottle cap main body is fused with a PET sealing film; the side, close to the PET sealing film, of the bottle cap main body is provided with an upper sealing bulge; one side of the surface of the PET sealing film is provided with a pull ring main body; a pull ring rubber block is adhered between the pull ring main body and the PET sealing film; and the fully-transparent plastic bottleneck sealing element is prepared from the following raw materials in parts by weight: 40-60 parts of PET resin, 2-5 parts of toughening agent, 5-10 parts of antioxidant, 8-12 parts of plasticizer, 3-5 parts of chemical nucleating agent, 3-4 parts of colorant, 1-3 parts of coupling agent, 3-5 parts of ultraviolet absorbent and 15-25 parts of impact modifier. The PET resin is used as a main raw material in a formula disclosed by the invention, so that the recoverability of thewhole product is guaranteed; and due to the adoption of PET, a bottle cap is guaranteed to be better in permeability and more beautiful, and the difficulty of a processing technology is lower.

Description

technical field [0001] The invention relates to the field of daily-use polymer materials, in particular to a completely transparent plastic bottle mouth seal and a manufacturing process thereof. Background technique [0002] At present, the sealing methods of plastic bottles mainly include the following types: pressure sensitive gasket: this method is not airtight, and can be realized by machine or by hand; aluminum foil gasket: this method is easy to damage the aluminum foil during the heat sealing process , leading to structural damage, thereby affecting quality; aluminum foil film: this method must be mechanically heat-sealed; easy-to-open lid: this method is easy to hurt hands; easy-to-tear film: this method must be mechanically completed. [0003] At present, all sealing processing technologies are in the form of heat sealing; the efficiency is low when used, and the quality of heat sealing products also has certain flaws. Contents of the invention [0004] The purpo...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L9/02C08K13/06C08K9/12C08K3/26C08K3/22C08K5/098C08J5/12
CPCC08J5/121C08J2367/02C08K2003/2241C08K2003/265C08K2201/011C08K2201/014C08L67/02C08L2201/10C08L2203/10C08L2205/035C08L9/02C08K13/06C08K9/12C08K3/26C08K3/22C08K5/098
Inventor 刘旺清
Owner 云南唯佳塑业有限公司
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