Environment-friendly polyolefin hot melt adhesive for cigarettes and preparation method thereof

A hot-melt adhesive and polyolefin technology, applied in adhesives, adhesive types, mineral oil hydrocarbon copolymer adhesives, etc., can solve problems such as poor sealing, high viscosity, and slow curing speed

Active Publication Date: 2021-05-07
北京长润化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] The invention adopts modified resin to solve the problems of

Method used

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  • Environment-friendly polyolefin hot melt adhesive for cigarettes and preparation method thereof
  • Environment-friendly polyolefin hot melt adhesive for cigarettes and preparation method thereof
  • Environment-friendly polyolefin hot melt adhesive for cigarettes and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] A preparation method of hot melt adhesive, comprising the steps of:

[0053] (1) Add raw materials (see Table 1) into the container, heat and stir at a stirring speed of 20r / min, and heat until the temperature of the material remains at 95°C;

[0054] (2) After adding the raw materials, raise the temperature to 140°C, the stirring speed is not lower than 100r / min, turn on the vacuum pressure reduction, the vacuum degree should not be lower than -0.08MPa, after 30 minutes of decompression, release the vacuum, and cool down to 140°C Discharge, leveling, granulation, packaging.

Embodiment 2

[0056] A preparation method of hot melt adhesive, comprising the steps of:

[0057] (1) Add raw materials (see Table 1) into the container according to the above-mentioned ratio of raw materials, heat and stir at a stirring speed of 30r / min, and heat until the material temperature is kept at 100°C;

[0058] (2) After adding the raw materials, raise the temperature to 150°C, the stirring speed is not lower than 100r / min, turn on the vacuum pressure reduction, the vacuum degree should not be lower than -0.08MPa, after 35 minutes of decompression, release the vacuum, and cool down to 145°C Discharge, leveling, granulation, packaging.

Embodiment 3

[0060] A preparation method of hot melt adhesive, comprising the steps of:

[0061] (1) Add raw materials (see Table 1) into the container according to the above-mentioned ratio of raw materials, heat and stir at a stirring speed of 50 r / min, and heat until the material temperature is kept at 105°C;

[0062] (2) After adding the raw materials, raise the temperature to 160°C, the stirring speed is not lower than 100r / min, turn on the vacuum to reduce the pressure, the vacuum degree should not be lower than -0.08MPa, after reducing the pressure for 40 minutes, release the vacuum, and cool down to 150°C Discharge, leveling, granulation, packaging.

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PUM

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Abstract

The invention discloses an environment-friendly polyolefin hot melt adhesive for cigarettes and a preparation method thereof, and belongs to the technical field of high polymer material synthesis. The adhesive is mainly prepared from the following raw materials in percentage by weight: 20-40% of POP resin, 5-20% of modified resin, 5-15% of a modifier, 20-50% of tackifying resin and 0.1-1% of an antioxidant. The invention also provides a preparation method. The prepared hot melt adhesive has the advantages of high safety, environmental protection, high aging resistance, high lasting adhesion, low density, low softening point, low viscosity and good sealing performance, can be used in the high-speed sealing packaging fields of cigarette industry, food industry and the like, is especially suitable for the fields of novel tobacco, food industry sealing packaging and the like, and is suitable for popularization and application.

Description

technical field [0001] The invention relates to the technical field of polymer material synthesis, and more specifically relates to an environment-friendly polyolefin hot melt adhesive for cigarettes and a preparation method thereof. Background technique [0002] In recent years, with the continuous acceleration of my country's industrialization process, the speed of sealing and packaging lines has also continued to increase. The packaging speed has developed from 10-30 boxes / min at the beginning to 30-50 boxes / min now, or even higher speed. Especially in the cigarette industry, food industry and other industries related to people's daily consumption, the degree of automatic packaging is faster. At the same time, the food industry and the cigarette industry (especially new tobacco) have put forward new requirements for the sealing of hot melt adhesives. To sum up, namely: [0003] ① High safety and environmental protection: lower limit of harmful substances is required, su...

Claims

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Application Information

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IPC IPC(8): C09J123/20C09J123/16C09J157/02C09J11/08C09J11/06
CPCC09J123/20C09J157/02C09J11/08C09J11/06C08L2205/02C08L2205/035C08L23/16C08L23/22C08L91/06C08L57/02C08K5/1345C08K5/13C08L23/20
Inventor 耿志忠董彦林张弘胤曹贵昌
Owner 北京长润化工有限公司
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