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Bottle cap inner spacer material suitable for carbonated beverage

A technology of carbonated beverages and inner gaskets, which is applied in the field of carbonated beverage bottle cap inner gaskets. It can solve the problems that the sealing performance and opening performance cannot be balanced, and the performance needs to be further improved, so as to achieve good bottle cap opening performance and good retention. The effect of air performance

Inactive Publication Date: 2015-02-18
NANJING JINGJINYUAN TECHN IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the bottle caps used in the prior art for the manufacture of inner pads fail to take into account both the sealing performance and the opening performance, and the performance needs to be further improved.

Method used

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  • Bottle cap inner spacer material suitable for carbonated beverage
  • Bottle cap inner spacer material suitable for carbonated beverage
  • Bottle cap inner spacer material suitable for carbonated beverage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] For the TPE product provided in this example, SEBS, mineral oil, polyethylene, polypropylene, antioxidant, color masterbatch and other ingredients are put into a high-speed mixer for blending according to the following composition formula:

[0013]

[0014] The blended material is then added into a twin-screw extruder for mixing and granulation to form a cushioning material for bottle caps suitable for carbonated beverages. The properties of the obtained product are shown in Table 1 below.

[0015] Table 1: Product performance test table of TPE inner padding for dairy products

[0016] Test items

Embodiment 2

[0018] The cushion material composition in the bottle cap suitable for carbonated beverages of this embodiment,

[0019]

[0020]

[0021] Wherein, the SEBS is a linear three-block copolymer with polystyrene as the terminal block and ethylene-butene copolymer obtained by hydrogenation of polybutadiene as the middle elastic block.

Embodiment 3

[0023] The cushion material composition in the bottle cap suitable for carbonated beverages of this embodiment,

[0024]

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Abstract

The invention relates to a bottle cap inner spacer material suitable for a carbonated beverage. The bottle cap inner spacer material mainly comprises the following materials in parts by weight: 20-30 parts of SEBS, 25-35 parts of mineral oil, 25-35 parts of polyethylene, 5-15 parts of polypropylene, 0.1-0.5 part of an antioxygen, and 0.5-1 part of a color mother. The bottle cap inner spacer material blends the SEBS, the mineral oil, the polyethylene, the polypropylene, the antioxygen and the color mother to extrude and pelletize, the 300% stretching strength of a prepared particle is more than 4 MPa, the 22-hour compression ratio at 70 DEG C is less than 0.5, the bottle cap inner spacer material can be used on a bottle cap inner spacer for the carbonated beverage, and provides an excellent gas tightness property and excellent performance of opening a bottle cap.

Description

technical field [0001] The invention belongs to the technical field of plastic modification treatment, and in particular relates to a bottle cap inner gasket suitable for carbonated beverages. Background technique [0002] TPE (Thermoplastic Elastomer) is a material with high elasticity, high strength and high resilience of rubber, and can be processed by injection molding. It is widely used in the inner gasket of bottle caps. But the bottle cap of the used inner gasket manufacturing place in the prior art fails to take into account both the sealing performance and the opening performance, and the performance needs to be further improved. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the object of the present invention is to provide a bottle cap inner gasket suitable for carbonated beverages. It is suitable for the inner padding of bottle caps of various carbonated beverages. The invention adopts SEBS, mineral oil, polypropylene, polyeth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L53/02C08L91/00C08L23/12
CPCC08L91/06C08L23/06C08L2205/035C08L2207/04C08L53/025C08L23/12
Inventor 潘文强
Owner NANJING JINGJINYUAN TECHN IND
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