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Method for reusing waste cigarette-used cellulose acetate fibers

A technology for diacetate fibers and cigarettes, applied in the direction of synthetic cellulose fibers, etc., can solve the problems of affecting application, fiber damage, strength reduction, etc., and achieve the effects of simple operation, small investment scale, and large economic efficiency.

Active Publication Date: 2012-10-03
YUNNAN REASCEND TOBACCO TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is highly scientific and pertinent in application, but due to the good hydrophilicity of diacetate fiber, it is easy to infiltrate and swell in water, resulting in a decrease in strength. damaged, affecting subsequent applications
[0006] In summary, there are many deficiencies in the existing technical solutions for the utilization of waste diacetate fibers, which are difficult to be practical

Method used

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  • Method for reusing waste cigarette-used cellulose acetate fibers
  • Method for reusing waste cigarette-used cellulose acetate fibers

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Remove paper and other sundries in 500kg of waste cellulose diacetate tow, cut it to 2mm with a fiber cutter, and then open it with an opener to obtain 1mm short cellulose diacetate fibers, which are added at a dosage of 100% Into the papermaking raw materials, the waste diacetate cellulose tow regenerated filter base material with a weight of 36g / ㎡ was produced by the wet paper papermaking process, and it was made into a 25mm tip stick for cigarettes, and it was mixed with ordinary diacetate cellulose tow The filtering efficiency of the tar is increased by 10% compared with the same period of the filter rod.

Embodiment 2

[0028] Remove paper and other sundries in 800kg of waste cellulose diacetate tow, cut them to 5mm with a fiber cutter, and then open them with an opener to obtain 4mm cellulose diacetate short fibers, which are added in an amount of 10% Into the papermaking raw materials, the waste diacetate cellulose tow regenerated filter base material with a weight of 40g / ㎡ was produced by wet papermaking process, and it was made into a 25mm tip stick for cigarettes, and it was mixed with ordinary diacetate cellulose tow The filtering efficiency of the tar is increased by 30% compared with the same period of the filter rod.

Embodiment 3

[0030] After removing the paper and other sundries in the 1000kg discarded cellulose diacetate tow, cut it to 4mm with a fiber cutter, and then open it with an air flow dispersion device to obtain 3mm cellulose diacetate short fibers, which are added to the Among the raw materials for papermaking, the weight is 50g / m2 produced by dry-laid papermaking process 2 The discarded cellulose diacetate tow regenerated filter base material, and made into a 25mm tip rod for cigarettes, compared with ordinary cellulose diacetate tow filter rods, the filtration efficiency of tar increased by 25%.

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Abstract

The invention discloses a method for reusing waste cigarette-used cellulose acetate fibers, which comprises three steps as follows: firstly, waste cellulose acetate fiber tows are cut into pieces with 2mm-5mm in length; and then the pieces are mechanically opened or dispersed by airflow so as to obtain cellulose acetate chopped fibers with 1mm-4mm in length, and 10%-100% of the cellulose acetate chopped fibers are added into papermaking raw materials; and finally, filter base materials regenerated by the waste cellulose acetate fibers can be prepared through the dry process papermaking technology or the wet process papermaking technology. The method is small in investment scale, is simple in operation, avoids the monopoly sale problem, reduces intermediate links of the tows, further restrains occurrence of counterfeit cigarettes, and more importantly, solves the problems of social energy consumption and environment security. The prepared cellulose acetate chopped fibers completely retains the original structure and form, is centralized in length and distribution, and is more suitable for producing filter stick paper core base materials by means of dry process or wet process.

Description

technical field [0001] The invention belongs to the technical field of cigarette auxiliary material processing, and in particular relates to a recyclable method for processing waste diacetate fibers and preparing them for recycling. Background technique [0002] During the application process of diacetate fiber tow for cigarettes, about 5% waste diacetate fiber will be produced. The annual consumption of diacetate fiber tow in China's tobacco industry is about 200,000 tons / year, and about 10,000 tons of waste diacetate fiber will be produced. The main way of processing waste acetate fiber in the prior art is incineration or landfill, and the processing cost is about 200 yuan / ton. This not only causes a serious waste of resources and energy, but also causes environmental pollution. In order to solve this difficult problem, scientifically and rationally utilizing the waste materials of cellulose diacetate tow is beneficial to the tobacco industry, even social resources and t...

Claims

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Application Information

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IPC IPC(8): D21H13/08
Inventor 温光和尧珍玉刘润昌李景权
Owner YUNNAN REASCEND TOBACCO TECH GRP
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