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Antibacterial odor-removing super absorbent resin and preparation method thereof

A super absorbent resin and odor technology, which is used in absorbent pads, resistance to vector-borne diseases, bandages, etc., can solve the problems of difficult preparation of super absorbent resin, complex raw material composition and content, and high process conditions.

Active Publication Date: 2022-08-05
CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, there are also corresponding researches on antibacterial and deodorizing superabsorbent resins, such as selecting acrylic acid as a polymerization precursor, tea powder or tea extract as an antibacterial deodorant, and preparing an antibacterial and deodorizing superabsorbent resin; or using Specific antibacterial and deodorizing superabsorbent resins with core-shell structure, but there are complex raw material components and contents, and the stability of raw materials is difficult to guarantee, which leads to problems such as difficulty in guaranteeing product performance stability, and the preparation process of core-shell structure superabsorbent resins is difficult. , product uniformity and batch stability are difficult
There is also a technical plan to use a compound antibacterial cross-linking agent for surface treatment to obtain a shell-type antibacterial and deodorizing superabsorbent resin with a three-dimensional cross-linked network structure, but there is still a preparation process that requires free radical polymerization, and the process conditions require Primary cross-linking and post-crosslinking treatment processes require high process conditions and high production costs

Method used

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  • Antibacterial odor-removing super absorbent resin and preparation method thereof
  • Antibacterial odor-removing super absorbent resin and preparation method thereof
  • Antibacterial odor-removing super absorbent resin and preparation method thereof

Examples

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preparation example Construction

[0083] The invention provides a preparation method of an antibacterial and deodorant superabsorbent resin composite material, comprising the following steps:

[0084] 1) The antibacterial material aqueous dispersion obtained after ultrasonic dispersion is compounded on the superabsorbent resin by atomization, and after drying, an intermediate product is obtained;

[0085] 2) The deodorant material aqueous dispersion obtained after ultrasonic dispersion is again atomized and compounded on the intermediate product obtained in the above step, and after drying, an antibacterial deodorant superabsorbent resin compound material is obtained.

[0086] In the present invention, the antibacterial material aqueous dispersion obtained after ultrasonic dispersion is firstly compounded on the superabsorbent resin by atomization, and the intermediate product is obtained after drying.

[0087] In the present invention, the temperature of the ultrasonic dispersion is preferably 25-50°C, more p...

Embodiment 1

[0136] Preparation of Polyhexanide Hydrochloride / 4-Ethyl-4-Soybean Ethyl Sulfate Morpholine Composite Antibacterial and Deodorant Super Absorbent Resin

[0137] Accurately measure 100g of polyhexanide hydrochloride phase dispersion with a concentration of 5.0%, put it into the storage tank of the high-pressure pump, set the pressure of the high-pressure pump to 0.3MPa, and evenly spray it in 10 batches. The surface of 495g super absorbent resin beads at rev / min was stirred and mixed, and the prepared polyhexanide hydrochloride antibacterial super absorbent resin was collected and placed in a 50° C. oven for drying treatment for 24 hours to obtain a dry product. Then accurately measure 100g of 4-ethyl 4-soy ethyl sulfate morpholine aqueous phase dispersion with a concentration of 1.0%, put it into the storage tank of the high-pressure pump, set the pressure of the high-pressure pump to 0.5MPa, divide it into 10 batches It is uniformly sprayed and dispersed on the surface of the...

Embodiment 2

[0141] Preparation of polyhexanide hydrochloride / zinc ricinoleate composite antibacterial and deodorant superabsorbent resin

[0142]Accurately measure 100g of polyhexanide hydrochloride phase dispersion with a concentration of 5.0%, put it into the storage tank of the high-pressure pump, set the pressure of the high-pressure pump to 0.6MPa, and evenly spray it in 10 batches. The surface of 495g super absorbent resin beads at rev / min was stirred and mixed, and the prepared polyhexanide hydrochloride antibacterial super absorbent resin was collected and placed in a 50° C. oven for drying treatment for 24 hours to obtain a dry product. Then accurately measure 100g of zinc ricinoleate aqueous phase dispersion with a concentration of 3.0%, put it into the storage tank of the high-pressure pump, set the pressure of the high-pressure pump to 0.7MPa, and evenly spray and disperse it in 10 batches with the stirring speed of 100. The surface of the antibacterial super absorbent resin b...

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Abstract

The invention provides an antibacterial and odor-removing super absorbent resin composite material. The antibacterial and odor-removing super absorbent resin composite material comprises super absorbent resin and an antibacterial and odor-removing combined material compounded on the super absorbent resin, the antibacterial and odor-removing combined material comprises an antibacterial material and an odor-removing material; the antibacterial material comprises polycaproguanidine hydrochloride and / or nano-silver; the peculiar smell removing material comprises 4-ethyl-4-soybean-based ethyl sulfate morpholine and / or zinc diricinoleate. According to the antibacterial odor-removing super absorbent resin composite material with the specific structure and composition provided by the invention, a specific combination of an antibacterial material and an odor-removing material is selected, and part of hydrolyzed polyacrylamide is further selected as a super absorbent resin matrix; therefore, the super absorbent resin composite material with excellent antibacterial and odor-removing properties is obtained. The preparation method provided by the invention has the advantages of simple process, mild conditions, strong controllability, stable raw materials and low process cost, and is more suitable for industrial popularization and application.

Description

technical field [0001] The invention belongs to the technical field of multifunctional super absorbent resins, and relates to an antibacterial and deodorant superabsorbent resin composite material and a preparation method thereof, in particular to an antibacterial deodorant superabsorbent resin and a preparation method thereof. Background technique [0002] Super Absorbent Polymer (SAP) for disposable hygiene products is mainly composed of polyacrylic acid-based synthetic polymers, which are polymerized and moderately cross-linked to form a three-dimensional network by acrylic acid and acrylamide monomers containing strong hydrophilic groups. It can quickly absorb more than ten times or even thousands of times its own mass of water through hydration to form a gel. This kind of material has excellent properties such as large water absorption capacity, fast water absorption rate, strong water retention capacity, non-toxic and tasteless, which is incomparable with general mater...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/26C08L79/00C08K3/08C08K5/357C08K5/41C08K5/098C08J3/205A61L15/24A61L15/26A61L15/18A61L15/20A61L15/46A61L15/60
CPCC08L33/26C08K3/08C08K5/357C08K5/41C08K5/098C08J3/2053A61L15/24A61L15/26A61L15/18A61L15/20A61L15/46A61L15/60C08J2333/26C08J2479/00C08K2003/0806C08K2201/011A61L2300/404A61L2300/204A61L2300/104A61L2300/216A61L2300/102C08L79/00Y02A50/30
Inventor 王宝龙姬相玲陈洪祥沙迪石凯刘志于许杰李承志马兰波邢玉珊
Owner CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
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