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A kind of PET blown film bag and preparation method thereof

A film bag and biphenyl technology, applied in the field of PET blown film bags and their preparation, can solve the problems of inability to use transparent film bags, easy delamination, etc., achieve high economic value and social value, improve mechanical properties, resistance Excellent flammability and mechanical properties

Active Publication Date: 2022-01-04
苏州市新广益电子股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This utility model uses the alloy aluminum foil layer to improve the overall barrier property of the film, so it cannot be applied to transparent film bags, and the problem of delamination between layers is prone to occur

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A PET blown film bag is characterized in that it is made of the following raw materials in parts by weight: 60 parts of PET resin, silane-based ionized modified poly 3,3-difluoro-[1,1-biphenyl]- 30 parts of 4,4-dicarboxylic acid N,N-dihydroxyethylaniline ester, 2 parts of nano boron fiber, 3 parts of sepiolite powder, 1 part of (triethoxysilyl) acetic acid, tris(2,4- Di-tert-butyl) phenyl phosphite 0.3 part, salicylate ultraviolet absorber 0.1 part, paraffin 0.2 part.

[0031] The preparation method of the silane-based ionized modified poly-3,3-difluoro-[1,1-biphenyl]-4,4-dicarboxylate N,N-dihydroxyethylaniline comprises the following steps:

[0032]Step S1: Add 1.54kg of 3,3-difluoro-[1,1-biphenyl]-4,4-dicarboxylic acid, 1kg of N,N-dihydroxyethylaniline, and 0.3kg of tetrabutyl titanate to In 9kg of dimethyl sulfoxide, stir for 25 minutes to obtain a reaction solution, then transfer the reaction solution to a high-pressure reactor, replace the air in the reactor with ...

Embodiment 2

[0038] A PET blown film bag is characterized in that it is made of the following raw materials in parts by weight: 65 parts of PET resin, silane-based ionized modified poly 3,3-difluoro-[1,1-biphenyl]- 33 parts of 4,4-dicarboxylic acid N,N-dihydroxyethylaniline, 3 parts of nano-boron fiber, 4 parts of sepiolite powder, 1.5 parts of (triethoxysilyl) acetic acid, tris(2,4 - 0.35 parts of di-tert-butylphenyl) ester, 0.15 parts of benzophenone-based ultraviolet absorber, and 0.25 parts of polydimethylsiloxane.

[0039] The preparation method of the silane-based ionized modified poly-3,3-difluoro-[1,1-biphenyl]-4,4-dicarboxylate N,N-dihydroxyethylaniline comprises the following steps:

[0040] Step S1: Add 1.54kg of 3,3-difluoro-[1,1-biphenyl]-4,4-dicarboxylic acid, 1kg of N,N-dihydroxyethylaniline ester, and 0.4kg of titanium dioxide to N,N - in 11 kg of dimethylformamide, stirred for 27 minutes to obtain a reaction solution, and then transferred the reaction solution to a high-p...

Embodiment 3

[0046] A PET blown film bag is characterized in that it is made of the following raw materials in parts by weight: 70 parts of PET resin, silane-based ionized modified poly 3,3-difluoro-[1,1-biphenyl]- 35 parts of 4,4-dicarboxylic acid N,N-dihydroxyethylaniline ester, 3.5 parts of nano boron fiber, 5.5 parts of sepiolite powder, 2 parts of (triethoxysilyl) acetic acid, bis(2,4- 0.4 part of di-tert-butylphenyl) pentaerythritol diphosphite, 0.2 part of benzotriazole ultraviolet absorber, and 0.3 part of paraffin.

[0047] The preparation method of the silane-based ionized modified poly-3,3-difluoro-[1,1-biphenyl]-4,4-dicarboxylate N,N-dihydroxyethylaniline comprises the following steps:

[0048] Step S1: Add 1.54kg of 3,3-difluoro-[1,1-biphenyl]-4,4-dicarboxylic acid, 1kg of N,N-dihydroxyethylaniline, and 0.45kg of titanium chloride to N, In 13 kg of N-dimethylacetamide, stir for 30 minutes to obtain a reaction solution, then transfer the reaction solution to a high-pressure re...

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PUM

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Abstract

The invention discloses a PET blown film bag, which is characterized in that it is made of the following raw materials in parts by weight: 60-80 parts of PET resin, silane-based ionized modified poly 3,3-difluoro-[1, 1‑biphenyl]‑4,4‑dicarboxylic acid N,N‑dihydroxyethylaniline 30‑40 parts, nano boron fiber 2‑5 parts, sepiolite powder 3‑8 parts, (triethoxysilane Base) 1-3 parts of acetic acid, 0.3-0.5 parts of antioxidant, 0.1-0.3 parts of ultraviolet absorber, and 0.2-0.4 parts of lubricant. The invention also provides a preparation method of the PET blown film bag. The PET blown film bag disclosed by the invention retains the advantages of excellent physical and chemical properties of the PET material, low water absorption, high dimensional stability, and good barrier properties, and at the same time improves its mechanical properties, heat resistance, and gas and humidity barrier. Performance, weather resistance, etc., excellent comprehensive performance, long service life.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a PET blown film bag and a preparation method thereof. Background technique [0002] In recent years, with the development of the economy and the progress of the society, the packaging material industry has developed rapidly. The packaging film bag is a common packaging material. Its material is usually plastic. It is a commonly used item packaging storage bag. To block air and humidity, it can effectively prolong the storage time of the internal packaging and bring many conveniences to people's lives. With the improvement of people's living standards and the in-depth understanding of improving the quality of life, higher requirements have been placed on the extraction of packaging film bags for food, etc. Therefore, the development of a packaging film bag with excellent performance has become an urgent need for researchers in the industry. solved problem. [0003] PE...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/02C08K13/04C08K7/06C08K3/34C08K5/5419C08J5/18
CPCC08J5/18C08K2201/011C08J2367/02C08J2467/02C08K13/04C08K7/06C08K3/34C08K5/5419
Inventor 夏超华
Owner 苏州市新广益电子股份有限公司