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Millimeter-level flow control technology-based water-soluble core blast bead preparing method

A water-soluble, high-tech technology, applied in e-liquid filter elements, applications, tobacco, etc., can solve the problems of low embedding rate and core material utilization, wall material deterioration and mold, poor preservation effect, etc., to achieve low production cost, Simple preparation method and strong controllability of wall thickness

Pending Publication Date: 2018-08-10
CHINA TOBACCO GUANGXI IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned core materials are basically oil-soluble, fat-soluble substances or solids, but for microcapsules that use pure water or a solution containing a water-soluble solvent as the core material, there are also problems with deterioration of the wall material, low embedding rate and core material utilization, Problems such as short storage time and poor storage effect

Method used

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  • Millimeter-level flow control technology-based water-soluble core blast bead preparing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Preparation of water-soluble core material pop-up beads with a size of 2mm

[0030] The outer diameter of the tip of the inner tube (a) is 1.15mm, the inner diameter of the tip of the inner tube (b) is 1.85mm, the distance between the two tips is 2-2.5mm, the inner diameter of the non-tip part of the two inner tubes is 2.25mm, the outer diameter is 3mm, and the inner diameter of the outer tube (c) is 3.13mm mm. Inner phase selects perfume aqueous solution (containing 30% ethanol solution), and intermediate phase selects the epoxy acrylate resin containing 2wt.% photoinitiator I-184, and external phase selects the water containing 1wt.% F108, internal phase, intermediate phase and The external phase is pumped into A, B, and C of the three-dimensional confocal emulsion generation channel 1 at 10mL / h, 12mL / h, and 110mL / h respectively, and W / O / W emulsification is generated through the action of shear force and gravity Droplets, after the droplets flow to the photocuring de...

Embodiment 2

[0032] Preparation of water-soluble core material pop-up beads with a size of 1.5mm

[0033] The outer diameter of the tip of the inner tube (a) is 1.15mm, the inner diameter of the tip of the inner tube (b) is 1.85mm, the distance between the two tips is 2-2.5mm, the inner diameter of the non-tip part of the two inner tubes is 2.25mm, the outer diameter is 3mm, and the inner diameter of the outer tube (c) is 3.13mm mm. Inner phase selects pure fragrance aqueous solution (containing 30% ethanol solution), the intermediate phase selects the epoxy acrylate resin containing 2wt.% photoinitiator I-184, and the external phase selects the water containing 1wt.% F108, and internal phase, intermediate phase and external phase at 10mL / h, 12mL / h and 140mL / h, respectively, into A, B, and C in the three-dimensional confocal emulsion generation channel 1, and generate W / O / W through the action of shear force and gravity Emulsified droplets, after the droplets flow to the photocuring device...

Embodiment 3

[0035] Preparation of water-soluble core material pop-up beads with a size of 3mm

[0036] The outer diameter of the tip of the inner tube (a) is 1.05mm, the inner diameter of the tip of the inner tube (b) is 2.12mm, the distance between the two tips is 1.5mm, the inner diameter of the non-tip part of the two inner tubes is 3.13mm, the outer diameter is 4mm, and the inner diameter of the outer tube (c) is 4.13mm. The internal phase selects perfume aqueous solution (containing 30% ethanol solution), the intermediate phase selects the aliphatic urethane acrylate resin containing 2wt.% photoinitiator I-184, and the external phase selects water containing 1wt.% PVA, and the internal phase, intermediate phase and the external phase are pumped into A, B, and C of the three-dimensional confocal emulsion generation channel 1 at 8mL / h, 12mL / h, and 130mL / h, respectively, and generate W / O / W through the action of shear force and gravity Emulsified droplets, after the droplets flow to the ...

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Abstract

The invention provides a millimeter-level flow control technology-based water-soluble core blast bead preparing method. The millimeter-level flow control technology-based water-soluble core blast beadpreparing method comprise preparing water-in-oil-in-water (W / O / W) emulsion drops through a three-dimensional confocal channel, wherein the internal phase of the drops is water soluble core solution,the intermediate phase of the drops is uncured wall material precursor, and the external phase of the drops are aqueous solution containing surfactant; performing wall material curing and blast bead encapsulation in a photocuring manner. The millimeter-level flow control technology-based water-soluble core blast bead preparing method is simple in applied equipment, low in production cost and highin encapsulation efficiency and can prepare millimeter-level water-soluble core blast beads uniform in size and diameter and controllable in capsule wall thickness.

Description

technical field [0001] The invention relates to a method for preparing water-soluble core material explosive beads based on millifluidic technology, and belongs to the technical field of explosive beads. Background technique [0002] In recent years, the tobacco industry has shown a development trend of cigarettes with low tar, low harm, and high aroma. When meeting the demand for low-tar cigarettes, it also faces the problem of insufficient aroma. Therefore, it is necessary to add aroma in cigarette production. Cigarette manufacturers at home and abroad have developed many flavoring technologies, such as flavoring shredded tobacco, flavoring cigarette paper, and flavoring packaging materials. The filter flavoring method has unique advantages because it can avoid the loss and thermal decomposition of flavors during cigarette storage and smoking, reduce the interception of flavors by shredded tobacco, and increase the utilization efficiency of flavors. [0003] The method of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A24D3/04A24D3/02
CPCA24D3/02A24D3/048
Inventor 冯守爱黄江锋刘鸿周俊李志华白家峰韦康吴晶晶潘连华黄宇亮陈义昌周肇峰宋凌勇胡志忠黄善松
Owner CHINA TOBACCO GUANGXI IND
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