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Bottle cap plastic master batch and preparation method thereof

A technology of plastic masterbatch and bottle caps, which is applied in the field of PET plastics and can solve problems such as insufficient coloring depth

Inactive Publication Date: 2016-06-22
沈其煜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiency that the existing coloring depth is insufficient, the present invention provides a bottle cap plastic masterbatch with deep coloring and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A bottle cap plastic masterbatch, comprising the following components by weight: 100 parts of PET, 0.4 parts of tributyl phosphite, 0.5 parts of sorbitol benzaldehyde, 0.1 parts of silver-loaded zirconium phosphate antibacterial agent, 1 part of phthalocyanine red parts, epoxy resin E-121 parts.

[0016] The preparation method of above-mentioned bottle cap plastic masterbatch, comprises the following steps:

[0017] a. Dry the PET at 120°C for 2 hours;

[0018] b. Add the PET that has gone through step a into the mixer, and at the same time, add tributyl phosphite, sorbitol benzaldehyde, silver-loaded zirconium phosphate antibacterial agent, phthalocyanine red, and epoxy resin E-12 into the mixer, and the mixer is at room temperature Mix at 80 rpm for 20 minutes to make the final mix.

[0019] c. Add the final mixture after stirring in step b into the twin-screw extruder. The processing temperature of zone 1 of the twin-screw extruder is 255°C, the processing temperat...

Embodiment 2

[0021] A plastic masterbatch for bottle caps, comprising the following components in parts by weight: 100 parts of PET, 0.6 parts of tributyl phosphite, 1 part of sorbitol benzaldehyde, 0.5 parts of silver-loaded zirconium phosphate antibacterial agent, 2 parts of phthalocyanine blue parts, epoxy resin E-122 parts.

[0022] The preparation method of above-mentioned bottle cap plastic masterbatch, comprises the following steps:

[0023] a. Dry the PET at 120°C for 2 hours;

[0024] b. Add the PET that has passed step a into the mixer, and at the same time add tributyl phosphite, sorbitol benzaldehyde, silver-loaded zirconium phosphate antibacterial agent, one of the phthalocyanine blues, and epoxy resin E-12 into the mixer , Stir and mix for 20 minutes with a mixer at room temperature at 80 rpm to make the final mixture.

[0025] c. Add the final mixture after stirring in step b into the twin-screw extruder. The processing temperature of zone 1 of the twin-screw extruder is 2...

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PUM

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Abstract

The invention relates to a bottle cap plastic master batch and a preparation method thereof. The bottle cap plastic master batch comprises, by weight, 100 parts of PET, 0.4-0.6 parts of tributyl phosphite, 0.5-1 part of dibenzylidene sorbitol, 0.1-0.5 parts of silver-supported zirconium phosphate, 1-2 parts of one of phthalocyanine red and phthalocyanine blue, and 1-2 parts of pearl essence. Compared with general bottle caps, bottle caps made of the bottle cap plastic master batch have the advantages of high coloring depth and difficult color fading.

Description

technical field [0001] The invention relates to a PET plastic. Background technique [0002] Plastic bottles are mainly made of materials such as polyethylene or polypropylene with the addition of various organic solvents. Plastic bottles widely use polyethylene terephthalate (PET), polyethylene (PE), and polypropylene (PP) as raw materials. After adding corresponding organic solvents, after high temperature heating, they are blown through plastic molds. , extrusion blown, or injection molded plastic containers. It is mainly used for liquid or solid disposable plastic packaging containers for beverages, food, pickles, honey, dried fruits, edible oil, agricultural and veterinary drugs, etc. Plastic bottles have the characteristics of unbreakable, low cost, high transparency, and food-grade raw materials. [0003] There is a bottle cap on the plastic bottle, and the bottle cap will be marked with pictures and texts and the bottle cap itself needs to be colored, but the colo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L63/00C08K13/06C08K9/12C08K3/08C08K5/524C08K5/1535B29C47/92B29C48/92
Inventor 沈其煜
Owner 沈其煜
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