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Grape-like particle aggregate, preparation method therefor, and sanitary paper

A technology of aggregates and particles, which is applied in the preparation of microspheres, botanical equipment and methods, and microcapsule preparations, etc., can solve the problems of difficulty in reducing liquid medicine, difficult mass production, and shortened storage period.

Active Publication Date: 2021-05-28
ELETEN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] The above-mentioned microencapsulation techniques have the following problems in any technique: the process is complicated in industrial production, and it is difficult to mass-produce
Although the liquid medicine has a bactericidal effect, it is an unwanted component of the human body. It should be reduced as much as possible, but it is difficult to reduce the liquid medicine
[0027] In addition, there are problems in that the weight of the product becomes heavy due to impregnation with the chemical solution, and the shelf life of the product provided in a sealed state is shortened once the package is opened
In addition, there is also the following problem: Since the aqueous solution is impregnated into the paper, it is impossible to use water-insoluble components, etc.

Method used

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  • Grape-like particle aggregate, preparation method therefor, and sanitary paper
  • Grape-like particle aggregate, preparation method therefor, and sanitary paper
  • Grape-like particle aggregate, preparation method therefor, and sanitary paper

Examples

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preparation example Construction

[0085] [Preparation process of bactericidal nanocapsules]

[0086] figure 2 It is a flow chart showing an example of a method for producing sanitary paper using the bactericidal nanocapsules and grape-like particle aggregates according to the present invention.

[0087] Below, refer to Figure 1 to Figure 4 An example of the method of the present invention will be described.

[0088]

[0089] First, prepare a quaternary ammonium salt solution ( figure 2 Process P1).

[0090] In this process, chitosan quaternary ammonium salt (2-hydroxypropyltrimethylammonium chloride chitosan) is used as the quaternary ammonium salt.

[0091] In the case of the present invention, the concentration of the chitosan quaternary ammonium salt aqueous solution is not particularly limited, but it is preferably set to 20 to 1000 ppm from the viewpoint of the cosmetic agent addition index based on each country.

[0092]

[0093] Next, make core particles 2 ( figure 2 Process P2).

[0094]...

Embodiment

[0181] Hereinafter, the present invention is illustrated by examples, but it is not intended to limit the present invention.

[0182] In addition, unless otherwise specified, "%" described below represents "% by weight".

[0183] [Production of bactericidal nanocapsules]

[0184] First, an aqueous chitosan quaternary ammonium salt solution with a concentration of 1000 ppm was prepared.

[0185] 45 g of this chitosan quaternary ammonium salt aqueous solution was accommodated in the container of the above-mentioned processing device, and the container was rotated at high speed while vacuum exhausting in the container and introduction of air into the container were performed.

[0186] In this case, gradually increase the rotation speed of the container (8,000 ~ 12,000rpm), gradually increase the amount of vacuum exhaust in the container, and at the same time gradually reduce the amount of air introduced into the container, so that the air in the container The pressure is gradua...

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Abstract

The present invention addresses the problem of providing a grapevine-like microparticle aggregate which is capable of minimizing the influence on the human body as much as possible without being affected by the bactericidal action from a pulp, which is an organic material, or without reducing the bactericidal effect of a drug; and a technique for a sanitary paper by using the microparticle aggregate. A bactericidal nanocapsule (1) according to the present invention comprises nano-sized core microparticles (2) containing a quaternary ammonium salt; a water-resistant first coating layer (11) provided so as to cover the surface of the core microparticles (2); a water-resistant second coating layer (12) provided so as to cover the surface of the first coating layer (11); and a water-resistant third coating layer (13) that is provided so as to cover the surface of the second coating layer (12) and is cationized.

Description

technical field [0001] The present invention relates to: a grape-shaped microparticle aggregate obtained by attaching nanocapsules of a drug having a coating layer to nanofibers made of a polymer material such as PP (polypropylene); and sanitary paper (sanitary paper) using the microparticle aggregate. )Technology. Background technique [0002] In recent years, nanofibers, which have attracted attention, are not only used alone due to their own physical properties, but also are being used in a wide range of fields such as general-purpose products, filter materials, electronic components, automotive components, and medical / biological materials in the field of composite materials. Practical applications have been obtained, and application development is also being actively carried out. [0003] The main features of nanofibers can be listed: 1) Super specific surface area effect (high adsorption, strong adhesion, high molecular recognition), 2) Nano size effect (low pressure l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/28A01N43/16A01P1/00B01J13/02B01J13/08D21H21/36
CPCA01N25/28A01N43/16B01J13/02B01J13/08D21H21/36
Inventor 黄国铭福岛利明
Owner ELETEN CO LTD
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