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A bonding resin with high oxygen resistance and water vapor resistance

A bonding resin and oxygen barrier technology, applied in the field of bonding resin, can solve the problems of reduced bonding force and difficult processing technology, and achieve the effect of excellent bonding performance and easy control of processing technology

Active Publication Date: 2017-09-26
SHANGHAI BANZAN MACROMOLECULE MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a kind of binding resin, which is used to overcome the shortcomings of the binding resin in the prior art that the bonding force is reduced and the processing technology is difficult to control and realize under the condition of ensuring oxygen and water vapor barrier.

Method used

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  • A bonding resin with high oxygen resistance and water vapor resistance
  • A bonding resin with high oxygen resistance and water vapor resistance
  • A bonding resin with high oxygen resistance and water vapor resistance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The weight parts of each raw material component of binding resin described in the present embodiment are as follows:

[0027]

[0028] Specifically, the melt index of the polyethylene-grafted maleic anhydride at 190° C. under 2.16 kg is 1.2-3 g / 10 min.

[0029] Specifically, the organically modified nano-montmorillonite refers to the interlayer treatment of montmorillonite with cetyltrimethylammonium bromide. Water dispersion of montmorillonite; mix and stir cetyltrimethylammonium bromide and concentrated hydrochloric acid in water at 60-80°C to form a uniform protonated solution; then add the uniform protonated solution dropwise to the water of montmorillonite In the dispersion liquid, stir at 60-80°C for at least 1.5h and then filter, wash the filtrate with distilled water, dry it in vacuum to constant weight, and finally pulverize it with a ball mill.

[0030] Specifically, the particle size of the organically modified nano-montmorillonite is 60-80 mesh.

[0031...

Embodiment 2

[0040] The weight parts of each raw material component of binding resin described in the present embodiment are as follows:

[0041]

[0042] Specifically, the melt index of the polyethylene-grafted maleic anhydride at 190° C. under 2.16 kg is 1.2-3 g / 10 min.

[0043] Specifically, the organically modified nano-montmorillonite refers to the interlayer treatment of montmorillonite with cetyltrimethylammonium bromide. Water dispersion of montmorillonite; mix and stir cetyltrimethylammonium bromide and concentrated hydrochloric acid in water at 60-80°C to form a uniform protonated solution; then add the uniform protonated solution dropwise to the water of montmorillonite In the dispersion liquid, stir at 60-80°C for at least 1.5h and then filter, wash the filtrate with distilled water, dry it in vacuum to constant weight, and finally pulverize it with a ball mill.

[0044] Specifically, the particle size of the organically modified nano-montmorillonite is 60-80 mesh.

[0045...

Embodiment 3

[0054] The weight parts of each raw material component of binding resin described in the present embodiment are as follows:

[0055]

[0056]

[0057] Specifically, the melt index of the polyethylene-grafted maleic anhydride at 190° C. under 2.16 kg is 1.2-3 g / 10 min.

[0058]Specifically, the organically modified nano-montmorillonite refers to the interlayer treatment of montmorillonite with cetyltrimethylammonium bromide. Water dispersion of montmorillonite; mix and stir cetyltrimethylammonium bromide and concentrated hydrochloric acid in water at 60-80°C to form a uniform protonated solution; then add the uniform protonated solution dropwise to the water of montmorillonite In the dispersion liquid, stir at 60-80°C for at least 1.5h and then filter, wash the filtrate with distilled water, dry it in vacuum to constant weight, and finally pulverize it with a ball mill.

[0059] Specifically, the particle size of the organically modified nano-montmorillonite is 60-80 mes...

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Abstract

The invention discloses a bonding resin with high resistance to oxygen and water vapor. The bonding resin comprises the following raw material components and parts by weight: 60-80 parts of polyethylene grafted maleic anhydride, 3 parts of organically modified nano-montmorillonite ~12 parts, polyvinyl alcohol 8~20 parts, polyvinylidene chloride 5~15 parts, polyamide 1~7 parts, composite stabilizer 0.1~4 parts. The bonding resin with high oxygen and water vapor resistance disclosed in the present invention has excellent bonding performance under the condition of ensuring oxygen and water vapor barrier, and the processing technology is easy to control.

Description

technical field [0001] The invention relates to a bonding resin, in particular to a bonding resin with high oxygen resistance and water vapor resistance. Background technique [0002] Plastic containers have unique advantages such as light weight, good toughness, large volume, and are easy to make into various shapes and specifications, which gradually expands their application fields and are widely used in food, beverage and pesticide packaging. Simple single-layer barrier bottles such as PP, PE, and PVC have many defects, such as high permeability of oxygen and water vapor, and poor barrier performance, which greatly restricts their use in fields with high air tightness requirements. The development of squeezed barrier bottles has been paid more and more attention, and multi-layer barrier bottles are compounded with adhesive resin. In the field of multi-layer co-extrusion barrier, in order to enhance the barrier ability to oxygen and water vapor, at present, the inner and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J151/06C09J127/08C09J129/04C09J177/00C09J11/04B32B7/12B32B27/06
Inventor 储江顺毕宏海毕宏江程安顺
Owner SHANGHAI BANZAN MACROMOLECULE MATERIAL
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