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Bottle production resin

A technology of resin and benzaldehyde, which is applied in the field of PET and PC alloys, can solve the problems of low transparency and achieve the effects of increased transparency, pure crystallization and uniform mixing

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

[0003] Existing PET and PC alloys have relatively low transparency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A bottle-making resin, comprising the following components in parts by weight: 60 parts of PET, 40 parts of PC, 0.6 parts of tributyl phosphite, 3 parts of polypropylene grafted maleic anhydride, 0.5 parts of sorbitol benzaldehyde, nano-loaded 0.2 part of silver zirconium phosphate antibacterial agent.

[0018] The preparation method of above-mentioned bottle resin comprises the following steps:

[0019] a. Mix PET and PC, stir and mix at 80 rpm at 90°C for 10 minutes;

[0020] b. Air-dry the PET and PC compound after step a at 120°C for 2 hours;

[0021] c. Add the PET and PC mixtures through step b into the blender, and simultaneously add tributyl phosphite, polypropylene grafted maleic anhydride, sorbitol benzaldehyde, and nanometer silver-loaded zirconium phosphate antibacterial agent into the blender. Stir and mix for 20 minutes at 60 rpm with a mixer at room temperature to make the final mixture.

[0022] d. Add the final mixture after stirring in step c into t...

Embodiment 2

[0024] A bottle-making resin, comprising the following components in parts by weight: 60 parts of PET, 40 parts of PC, 0.6 parts of tributyl phosphite, 3 parts of polypropylene grafted maleic anhydride, and 0.5 parts of sorbitol dibenzaldehyde.

[0025] The preparation method of above-mentioned bottle resin comprises the following steps:

[0026] a. Mix PET and PC, stir and mix at 80 rpm at 90°C for 10 minutes;

[0027] b. Air-dry the PET and PC compound after step a at 120°C for 2 hours;

[0028] c. Add the PET and PC mixtures that have passed step b into the mixer, and at the same time add tributyl phosphite, polypropylene grafted maleic anhydride, and sorbitol benzaldehyde into the mixer, and stir at 60 rpm at room temperature. Blend for 20 minutes to make the ultimate mix.

[0029] d. Add the final mixture after stirring in step c into the twin-screw extruder. The processing temperature of zone 1 of the twin-screw extruder is 215°C, the processing temperature of zone 2 i...

Embodiment 3

[0031] A bottle-making resin, comprising the following components in parts by weight: 60 parts of PET, 40 parts of PC, 0.6 parts of tributyl phosphite, 5 parts of polypropylene grafted maleic anhydride, 1 part of sorbitol benzaldehyde, nano-loaded 0.5 part of silver zirconium phosphate antibacterial agent.

[0032] The preparation method of above-mentioned bottle resin comprises the following steps:

[0033] a. Mix PET and PC, stir and mix at 80 rpm at 90°C for 10 minutes;

[0034] b. Air-dry the PET and PC compound after step a at 120°C for 2 hours;

[0035] c. Add the PET and PC mixtures through step b into the blender, and simultaneously add tributyl phosphite, polypropylene grafted maleic anhydride, sorbitol benzaldehyde, and nanometer silver-loaded zirconium phosphate antibacterial agent into the blender. Stir and mix for 20 minutes at 60 rpm with a mixer at room temperature to make the final mixture.

[0036] d. Add the final mixture after stirring in step c into the ...

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PUM

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Abstract

A bottle-making resin, comprising the following components in parts by weight: 60 parts of PET, 40 parts of PC, 0.4-0.6 parts of tributyl phosphite, 2-5 parts of polypropylene grafted maleic anhydride, sorbitol dibenzaldehyde 0.5~1 part. The invention has the beneficial effects that: a small amount of tributyl phosphite and sorbitol benzaldehyde makes the mixing of PET and PC more uniform, the crystallization is more pure, and the transparency is increased.

Description

technical field [0001] The invention relates to a bottle-making resin, in particular to an alloy of PET and PC. 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), polypropylene (PP) and other materials as raw materials. After adding corresponding organic solvents, after high temperature heating, they pass through plastic molds. Blow molded, 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] The existing PET and PC alloys have relatively low transparency. Contents of the inventio...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L69/00C08L51/06C08K9/12C08K3/08C08K5/524C08K5/1535
Inventor 沈其煜
Owner 沈其煜
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