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Hot melt adhesive for sealing machine

A hot-melt adhesive and sealing machine technology, applied in the direction of adhesives, epoxy glue, adhesive types, etc., can solve problems such as degumming, packaging gaps, etc., to improve heat sealing strength, prevent leakage, and excellent viscosity retention performance Effect

Inactive Publication Date: 2019-01-11
蚌埠中梁机械科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the process of industrial production, the packaging of products is an essential process, such as the packaging of various plastic bags, paper bags, woven bags, cloth bags, composite bags, etc., will be completed by machines through heating and pressure The tuyere of thermoplastic material packaging may be auxiliary sealed by gluing. Existing materials such as PE, PP, and COC are sealed with existing hot melt adhesives, which are prone to degumming and cause packaging gaps.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A hot-melt adhesive for a sealing machine is made of the following components in parts by weight: rosin resin modified thermoplastic resin 79, aluminum oxide nano-core-shell particles 3, urea 6, paraffin wax 3, organosilicon monomer 1.5.

[0024] Further, the preparation method of the rosin resin modified thermoplastic resin is:

[0025] Heating the rosin resin to melting, then adding 0.35% of its mass of 2-isopropylthioxanthone to the molten rosin resin, stirring at a speed of 1500r / min for 40min, keeping it in a molten state, and obtaining a pretreated rosin resin;

[0026] Heating the thermoplastic resin to melt, then adding 0.28% by mass of N,N-dimethylacrylamide to the molten thermoplastic resin, stirring at a speed of 2200r / min for 1 hour, and keeping the molten state to obtain a pretreated thermoplastic resin;

[0027] After the pretreatment rosin resin and pretreatment thermoplastic resin obtained above are mixed uniformly in a mass ratio of 1:10, then stir with...

Embodiment 2

[0039] A hot melt adhesive for a sealing machine is made of the following components in parts by weight: rosin resin modified thermoplastic resin 82, aluminum oxide nano core-shell particles 5, urea 8, paraffin wax 6, organic silicon monomer 1.9.

[0040] Further, the preparation method of the rosin resin modified thermoplastic resin is:

[0041] Heating the rosin resin to melting, then adding 0.35% of its mass of 2-isopropylthioxanthone to the molten rosin resin, stirring at a speed of 1500r / min for 40min, keeping it in a molten state, and obtaining a pretreated rosin resin;

[0042] Heat the thermoplastic resin to melt, then add 0.28% by mass of N,N-dimethylacrylamide to the molten thermoplastic resin, stir at 2200r / min for 1 hour, keep the melted state, and obtain the pretreated thermoplastic resin;

[0043] After the pretreatment rosin resin and pretreatment thermoplastic resin obtained above are mixed uniformly in a mass ratio of 1:10, then stir with 1600r / min rotating sp...

Embodiment 3

[0055] A hot melt adhesive for a sealing machine is made of the following components in parts by weight: rosin resin modified thermoplastic resin 81, aluminum oxide nano core-shell particles 4, urea 7, paraffin wax 5, organic silicon monomer 1.6.

[0056] Further, the preparation method of the rosin resin modified thermoplastic resin is:

[0057] Heating the rosin resin to melting, then adding 0.35% of its mass of 2-isopropylthioxanthone to the molten rosin resin, stirring at a speed of 1500r / min for 40min, keeping it in a molten state, and obtaining a pretreated rosin resin;

[0058] Heat the thermoplastic resin to melt, then add 0.28% by mass of N,N-dimethylacrylamide to the molten thermoplastic resin, stir at 2200r / min for 1 hour, keep the melted state, and obtain the pretreated thermoplastic resin;

[0059] After the pretreatment rosin resin and pretreatment thermoplastic resin obtained above are mixed uniformly in a mass ratio of 1:10, then stir with 1600r / min rotating sp...

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PUM

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Abstract

The invention discloses a hot melt adhesive for a sealing machine, relating to the technical field of sealing machines. The hot melt adhesive is prepared from the following components: rosin resin modified thermoplastic resin, aluminum oxide nano-core-shell particles, urea, paraffin and organosilicone monomers. The prepared hot melt adhesive has good hot sealing strength.

Description

technical field [0001] The invention belongs to the technical field of sealing machines, and in particular relates to a hot melt adhesive for sealing machines. Background technique [0002] At present, in the process of industrial production, the packaging of products is an essential process, such as the packaging of various plastic bags, paper bags, woven bags, cloth bags, composite bags, etc., will be completed by machines through heating and pressure The tuyere of thermoplastic material packaging may be auxiliary sealed by gluing. Existing materials such as PE, PP, and COC are sealed with existing hot melt adhesives, which are prone to degumming and cause packaging gaps. Contents of the invention [0003] The object of the present invention is to provide a hot melt adhesive for sealing machine aiming at the existing problems. [0004] The present invention is achieved through the following technical solutions: [0005] A hot-melt adhesive for a sealing machine, made o...

Claims

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Application Information

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IPC IPC(8): C09J163/00C09J193/04C09J191/06C09J11/04C09J11/06
CPCC09J163/00C08K2003/2227C08K2201/011C08L2205/03C09J11/04C09J11/06C08L93/04C08L91/06C08K13/06C08K9/06C08K3/22C08K5/21C08K7/26
Inventor 何士忠
Owner 蚌埠中梁机械科技有限公司
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