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Solid-type filter stick formed by granular assembling and preparation method thereof

A filter rod and particle technology, which is applied in e-liquid filter, application, tobacco and other directions, can solve the problems of shortage of special wood pulp raw materials, increase the production cost of cigarette enterprises, etc., and achieve the effect of improving smoking quality, stable structure and simple process

Active Publication Date: 2013-11-20
SHANGHAI HUABAO BIOLOGICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented innovation describes an improvement on filters for use in electronic devices such as cigarets that have multiple sections made up of small filaments containing various substances like carbon black powder mixed into it. These tiny parts are designed specifically to help remove unwanted components from smoke during combustion. By selecting appropriate sizes of these smaller pieces, they expand outwardly when heated while still being waterproof. They also allow airflow through them without getting trapped inside, improving their efficiency over traditional methods. Overall this results in better performance and reduced consumption of tipping paper compared to previous designs.

Problems solved by technology

This patented describes various methods or techniques that aim at controlling the emission levels from small but highly effective filters called "cigarette filters," which help reduce damage caused during smoking. Current commercially available filters like those with high amounts of binder were found difficult to recycle due to their lack of strength towards burning compared to other types such as charcoal ones. Therefore, there needs to develop new ways to produce efficient filters without relying heavily upon expensive fossil fuel sources while maintaining good performance characteristics.

Method used

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  • Solid-type filter stick formed by granular assembling and preparation method thereof
  • Solid-type filter stick formed by granular assembling and preparation method thereof
  • Solid-type filter stick formed by granular assembling and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Use ethylene-vinyl acetate copolymer EVA hot-melt adhesive powder as a binder to produce solid filter rods of tobacco stem particles in a batch manner, including the following steps:

[0032] Tobacco stem particles of 40-60 mesh are selected, the binder is ethylene-vinyl acetate copolymer EVA hot melt adhesive powder, and the mass ratio of tobacco stem particles to EVA is 5:1. After the raw materials are mixed evenly, take 7cm3 of the material and fill it into a cylindrical stainless steel mold with a length of 160mm and a diameter of 7.5mm, and then compact both ends. The length of the material in the mold is compressed to 80mm, and then the mold is heated to 120 degrees Celsius. Hold for 2 minutes, and after the temperature of the mold is lowered to room temperature, demoulding treatment is carried out to obtain a solid filter rod of tobacco stem particles with a length of 80 mm and a diameter of 7.5 mm.

Embodiment 2

[0034] Using dextrin and polycaprolactone powder as a mixed binder, continuous production of tobacco stem particle solid filter rods includes the following steps:

[0035] Choose tobacco stem particles of 60-80 mesh, the binder is a mixed powder of dextrin and polycaprolactone (the mass ratio of dextrin to polycaprolactone is 1:3), the mass ratio of tobacco stem particles to the mixed binder It is 5:2. After the raw materials are mixed evenly, the continuous pneumatic filling device is used to continuously fill the materials from the (a) end of the cylindrical stainless steel mold with an inner diameter of 7.6mm. The tobacco stem granule solid filter rod comes out from the (b) end of the mould, and is quantitatively cut according to the length specification of the product to obtain a tobacco stem granule solid filter rod with a diameter of 7.6 mm and an adjustable length.

Embodiment 3

[0037] Using polyurethane photosensitive adhesive as a binder, the interstitial production of fragrant wood particle solid filter rods includes the following steps:

[0038]Choose fragrant wood particles of 40-60 mesh, the binder is polyurethane photosensitive adhesive, and the mass ratio of fragrant wood particles to polyurethane photosensitive adhesive is 4:1. After the raw materials are mixed evenly, take 8cm3 of the material and fill it into a cylindrical transparent mold with a length of 200mm and a diameter of 7.5mm, and then compact both ends. The length of the material in the mold is compressed to 100mm, and then irradiate the mold with ultraviolet light for 3 minutes , followed by demoulding treatment to obtain a solid filter rod of fragrant wood particles with a length of 100 mm and a diameter of 7.5 mm.

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Abstract

The invention relates to a solid-type filter stick formed by granular assembling and a preparation method of the solid-type filter stick. The filter stick is prepared by the assembling forming of solid granules and an adhesion agent, wherein the solid granules are one or more of natural plant granules, natural mineral granules and artificial adsorption granules. The adhesive agent is one or more of ethylene-vinyl acetate copolymer, polyethylene hot melt adhesive, epoxy resin, polyester, polyether, polyurethane, dextrin, polyvinyl alcohol, polycaprolactone, gelatin and Arabic gum. The mass ratio of the solid granules and the adhesive agent is 0.5-200:1. The filter stick is prepared by the bonding forming after the solid granules and the adhesive agent are mixed, is loosened, breathable and stable in structure, and can be used as a unitary filter tip or can be combined with other filtering materials to form a multi-component filter tip. The preparation method is simple in process and high in production stability. The filter stick is novel in appearance and structure, stable in structure, excellent in incision performance, wide in material selection range, good in filtering effect and capable of effectively improving the smoking quality of cigarettes.

Description

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Claims

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Application Information

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Owner SHANGHAI HUABAO BIOLOGICAL TECH
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