Environment-friendly high-speed cigarette holder glue for cigarettes and preparation method thereof

An environmentally friendly, nozzle-adhesive technology, used in adhesives, adhesive types, graft polymer adhesives, etc., to achieve the effect of improving water resistance, good initial viscosity, and low residual content

Active Publication Date: 2013-04-17
HAINAN BNK WATER BASED NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The protective colloid PVA and plasticizer are used in the preparation of the above joint glue. The hydroxyl group in PVA is easy to absorb water. In order to increase the water resistance of the joint glue, the hydroxyl group must be blocked. The most common method is to use PVA acetal For example, Hou Qiong used PVA formal as a modified tackifier in "EVA Emulsion Modification to Produce High-Speed ​​Cigarette Adhesive", which may cause a certain amount of aldehydes in the mouthpiece; at the same time, the adjacent plasticizer used Phthalates are also harmful substances to the human body. Although the patent application CN201110068785 has adopted tri-n-butyl citrate to improve the plasticizer, vinyl acetate, phthalates, and formaldehyde content are still Higher, and the initial tack, bond strength, and water resistance of the mouthpiece glue need to be improved

Method used

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  • Environment-friendly high-speed cigarette holder glue for cigarettes and preparation method thereof
  • Environment-friendly high-speed cigarette holder glue for cigarettes and preparation method thereof
  • Environment-friendly high-speed cigarette holder glue for cigarettes and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024]

[0025]

[0026] Get 42 kg of VAE emulsion into a sealed container, turn on the mixer, set the stirring speed to 100 rpm, add 18 kg of VAc, 3 kg of butyl acrylate, 1.2 kg of acrylic acid and 12 kg of deionized water, stirring continuously to mix well. Turn on the heating device, heat up to 70°C, add 0.2 kg of initiator, adjust the stirring speed to 200 rpm, and continue to heat up to 85°C, and add the remaining initiator within 1 hour. Heat up to 95°C again, add 6 kg of PVA and 1.2 kg of amino resin, and keep stirring for 1 hour. Cool down to 48°C, add 2.2 kg of environmentally friendly plasticizer, 0.7 kg of emulsifier, 0.05 kg of pH regulator, 0.35 kg of defoamer and the remaining deionized water in order, continue to stir for about 0.8-1.5 hours, and let it stand for cooling. Filter the discharge.

Embodiment 2

[0028]

[0029] Take 50 kg of VAE emulsion and add it to a sealed container, turn on the mixer, set the stirring speed to 120 rpm, add 15 kg of VAc, 6 kg of butyl acrylate, 0.8 kg of acrylic acid and 6 kg of deionized water, stirring continuously to mix well. Turn on the heating device, heat up to 75°C, add 0.12 kg of initiator (about one-third of the total initiator dose), adjust the stirring speed to 250 rpm, and continue to heat up to 90°C within 1 hour The remaining initiator was added to completion. Heat up to 95°C again, add 6 kg of PVA and 0.6 kg of amino resin, and keep stirring for 1.2 hours. Cool down to 55°C, add 1 kg of environmentally friendly plasticizer, 0.8 kg of emulsifier, 0.02 kg of pH regulator, 0.41 kg of defoamer and the remaining deionized water in order, continue to stir for about 1.5 hours, let stand to cool, and filter out material.

Embodiment 3

[0031]

[0032] Take 46 kg of VAE emulsion and add it to a sealed container, turn on the mixer, set the stirring speed to 110 rpm, add 18 kg of VAc, 4 kg of butyl acrylate, 0.6 kg of acrylic acid and 10 kg of After deionized water, keep stirring to mix well. Turn on the heating device, heat up to 73°C, add 0.1 kg of initiator, adjust the stirring speed to 240 rpm, and continue to heat up to 89°C, and add the remaining initiator within 1 hour. Heat up to 95°C again, add 7 kg of PVA and 0.5 kg of amino resin, and keep stirring for 1 hour. Cool down to 50°C, add 2 kg of environmentally friendly plasticizer, 0.3 kg of emulsifier, 0.03 kg of pH regulator, 0.5 kg of defoamer and the remaining deionized water in order, continue to stir for about 1 hour, let stand to cool, and filter out material.

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Abstract

The invention discloses environment-friendly high-speed cigarette holder glue for cigarettes and a preparation method thereof. The environment-friendly high-speed cigarette holder glue adopts VAE emulsion as a base material; and vinyl acetate, acrylic acid and butyl acrylate are added to implement polymerization and modification; plasticizer adopts environment-friendly plasticizer; and hydroxyl of PVA is sealed end by using amino resin. The obtained high-speed cigarette holder glue hardly contains aldehydes materials and phthalates materials which are harmful to human bodies; the monomer residual volume of vinyl acetate is low; the solid content is in a range of 47.4-52.0 percent; and the viscosity is in a range of 2,800-3,300 mPa/s; the glue has excellent early adhesiveness, bonding strength and water resistance, and is suitable for high-speed cigarette making machines with the speed of 12,000-15,000 piece/minute.

Description

technical field [0001] The invention relates to an environment-friendly high-speed mouth glue and a preparation method thereof, in particular to an environment-friendly high-speed mouth glue for cigarettes and a preparation method thereof, belonging to the field of cigarette adhesives. Background technique [0002] Adhesives for cigarettes are mainly divided into four types: mouthpiece glue, mouthpiece glue, packaging glue and mouth rod forming glue. There are more than 170 cigarette factories in my country, with an annual output of about 36 million boxes, and the cigarette output ranks first in the world. The consumption of tobacco rubber can reach 30,000 tons per year. Among them, mouthpiece glue accounts for the largest share, about 20,000 tons. In recent years, in order to improve production efficiency, the speed of the cigarette machine has been increased from the previous 4000-5000 cigarettes / minute to 8000-15000 cigarettes / minute. Correspondingly, the cigarette adhesi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J151/08C09J11/08C09J11/06C08F263/04C08F218/08C08F220/18C08F220/06
Inventor 宋军军朱清梅胡连芹
Owner HAINAN BNK WATER BASED NEW MATERIAL CO LTD
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