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Filter tip stick and preparation method thereof

A filter rod and modification technology, which is applied in the direction of e-liquid filter, application, tobacco, etc., can solve the problems of incompatibility with global sustainable development and domestic national conditions, poor filtration performance of filter rods, and degradation cycle of more than 4 years, etc. The effect of energy crisis, long degradation cycle and solvent environmental protection

Active Publication Date: 2013-10-09
马鞍山同杰良生物材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Cellulose acetate filter has the following disadvantages: 1) It is derived from wood (the growth cycle is generally greater than 5 years), and a large amount of use will destroy the ecological environment; 2) Although cellulose acetate is degradable, the degradation cycle is usually more than 4 years, so the filter rod Discarding will cause certain environmental pollution; 3) The solution spinning method is used for spinning, the production process is complicated, and there are environmental problems such as solvent acetone volatilization and recovery; 4) Processes, equipment, related technologies and some finished tows mainly rely on imports
[0005] There are many deficiencies in polypropylene filters: 1) polypropylene is derived from non-renewable resource petroleum, which does not meet global sustainable development and domestic conditions; 2) polypropylene is a non-polar material with poor adsorption performance, and the obtained filter rod Poor filtering performance, which is not conducive to human health; 3) Due to the non-polarity and high crystallinity of polypropylene fiber, the bonding performance is poor, and the process of bonding the tow into a filter rod is complicated
[0014] 1) In terms of physical indicators, there are problems such as thermal collapse, thermal shrinkage, low hardness and poor stability of suction resistance

Method used

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  • Filter tip stick and preparation method thereof
  • Filter tip stick and preparation method thereof
  • Filter tip stick and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Example 1: Filter sticks

[0051] 1. Raw materials of modified polylactic acid for spinning include: 98.6 kg of polylactic acid, 0.1 kg of modified porous starch, 1.0 kg of nano-silicon dioxide, and 0.3 kg of nano-titanium dioxide.

[0052] 2. Preparation method:

[0053] 1) Preparation of tow: First weigh 98.6 kg of polylactic acid, 0.1 kg of modified porous starch, 1.0 kg of nano-silicon dioxide, and 0.3 kg of nano-titanium dioxide, and then obtain modified polylactic acid particles through twin-screw melt granulation, and process The temperature is 190°C, and then it is prepared into tow, wherein the linear density of single filament is 3.5dtex, the total density of tow is 3.85ktex, and the number of crimps is 26 pieces / 25mm;

[0054] 2) Extraction: Opening is carried out on the ZL23 filter rod forming machine for filter rod forming. The forming process is: opening ratio 1.35, stable roll pressure 0.05MPa, threaded roll pressure 0.05MPa;

[0055] 3) Sizing:

[005...

Embodiment 2

[0063] Example 2: Filter sticks

[0064] 1. Raw materials of modified polylactic acid for spinning include: 98.4 kg of polylactic acid, 0.7 kg of chitosan, 0.5 kg of nano-silica, and 0.4 kg of nano-titanium dioxide.

[0065] 2. Preparation method:

[0066] 1) Preparation of tow: First weigh 98.4 kg of polylactic acid, 0.7 kg of chitosan, 0.5 kg of nano-silicon dioxide, and 0.4 kg of nano-titanium dioxide, and then obtain modified polylactic acid particles by twin-screw melting granulation. The temperature is 185°C, and then made into tow, the monofilament linear density of the obtained tow is 3.2dtex, the total density of the tow is 4.16ktex, and the number of crimps is 25 / 25mm;

[0067] 2) Extraction: Opening is carried out on the ZL23 filter rod forming machine for filter rod forming. The forming process is: opening ratio 1.30, stable roll pressure 0.05MPa, threaded roll pressure 0.05MPa;

[0068] 3) Sizing:

[0069] First, 0.1 kilogram of soluble calcium phosphate, 0.5 k...

Embodiment 3

[0076] Example 3: Filter sticks

[0077] 1. Raw materials of modified polylactic acid for spinning include: 98.9 kg of polylactic acid, 0.7 kg of chitosan, and 0.4 kg of nano-titanium dioxide.

[0078] 2. Preparation method:

[0079] 1) Preparation of tow: First, 98.9 kg of polylactic acid, 0.7 kg of chitosan and 0.4 kg of nano-titanium dioxide were mixed through twin-screw melt granulation to obtain modified polylactic acid particles. The processing temperature was 195 ° C, and then made into tow. The monofilament linear density of the obtained tow was 3.2dtex, the overall density of the tow was 4.16ktex, and the number of crimps was 25 / 25mm.

[0080] 2) Extraction: Opening is carried out on the ZL23 filter rod forming machine for filter rod forming. The forming process is: opening ratio 1.30, stable roll pressure 0.05MPa, threaded roll pressure 0.05MPa;

[0081] 3) Sizing:

[0082] First 0.5 kilograms of sodium pyrrolidone carboxylate and 0.2 kilograms of citric acid are ...

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Abstract

The invention relates to a filter tip stick and a preparation method thereof. The filter tip stick is prepared from the following raw materials in part by weight: 100 parts of modified polylactic acid, 0.02 to 6 parts of quality modifier and 3 to 15 parts of bonding plasticizer. The physical appearance of the filter tip stick is remarkably improved, and filtration and absorption properties are greatly improved.

Description

technical field [0001] The invention relates to the field of cigarettes, in particular to a filter tip rod and a preparation method thereof. Background technique [0002] The development of filter tip is the product of cigarette development to a certain stage. When the filter first appeared, it was mainly used as a mouth-shaped part of the cigarette for decoration. With the development of cigarette technology and people's pursuit of low-harm cigarettes, the filter has gradually changed from a dispensable position to an indispensable part of cigarettes, and has assumed the function of reducing tar and harm. [0003] At present, the filter materials used commercially in the domestic market are mainly cellulose acetate fiber and polypropylene fiber, with a total amount of nearly 300,000 tons, of which cellulose acetate fiber accounts for more than 80%, but cellulose acetate fiber and polypropylene fiber Fiber has the following disadvantages: [0004] Cellulose acetate filter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A24D3/08
Inventor 彭荣淮王秦峰许克强
Owner 马鞍山同杰良生物材料有限公司
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