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Antibacterial and mildew-resistant polypropylene filament and preparation method thereof

An antibacterial and antifungal, polypropylene technology, applied in the field of polypropylene filament, can solve the problems of difficult application of polypropylene filament preparation process, poor product shape and particle size control, cumbersome steps, etc., to achieve good long-term effect, antibacterial and antibacterial Good mildew effect and low preparation cost

Active Publication Date: 2019-05-03
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] It can be seen from the above patents that the conditions for preparing guanidine salt polymer powder in CN101037503A and CN1350022A are relatively harsh and the process is relatively complicated; in CN1445270A and US7282538B2, the guanidine salt polymer needs to be made into antibacterial masterbatch, the steps are cumbersome and the cost is high; CN102453315A , CN102453316A needs to use sodium pyrithione, and the cost is higher; CN102453273A needs to operate at a certain temperature in the process of preparing antibacterial agent, the energy consumption is large, and the shape and particle size of the product after drying and crushing are not well controlled
[0009] Therefore, the current antibacterial agents may have various defects and are difficult to apply to the preparation process of polypropylene filaments, or they may be applicable but have problems such as cumbersome steps and high costs.

Method used

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  • Antibacterial and mildew-resistant polypropylene filament and preparation method thereof
  • Antibacterial and mildew-resistant polypropylene filament and preparation method thereof
  • Antibacterial and mildew-resistant polypropylene filament and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] (1) Preparation of guanidinium salt composite antibacterial agent

[0075]a. Dissolve 1000.0 g of polyhexamethyleneguanidine hydrochloride in water to prepare an aqueous solution with a mass concentration of 20%; prepare 50.0 g of zinc sulfate to prepare an aqueous solution with a mass concentration of 25%. 125.0 g of styrene-butadiene latex solution was directly used after radiation crosslinking, and the concentration was 40%. b. Add the prepared guanidinium salt polymer aqueous solution into the container containing the zinc-containing aqueous solution, and stir while adding until uniformly mixed to form a transparent liquid mixture. c. Add the liquid mixture in step b into the latex solution, and stir while adding until the mixture is uniform. Then, 5.0 g of anti-migration agent was added to the mixture. d. Dry the mixture obtained in step c with a spray dryer to obtain a solid powder; transfer the obtained solid powder to a high-speed mixer, add 5.0 g of fumed sil...

Embodiment 2

[0079] (1) Preparation of guanidinium salt composite antibacterial agent

[0080] a. Dissolve 1000.0 g of polyhexamethylene biguanide hydrochloride in water to prepare an aqueous solution with a mass concentration of 10%; prepare 200.0 g of zinc nitrate to prepare an aqueous solution with a mass concentration of 30%. 125.0 g of silicone rubber latex solution was directly used after radiation crosslinking, and the concentration was 40%. b. Add the prepared guanidinium salt polymer aqueous solution into the container containing the zinc-containing aqueous solution, and stir while adding until uniformly mixed to form a transparent liquid mixture. c. Add the liquid mixture in step b into the latex solution, and stir while adding until the mixture is uniform. Then, 5.0 g of anti-migration agent was added to the mixture. d, the mixture obtained in step c is dried by a spray dryer to obtain a solid powder; the obtained solid powder is transferred to a high-speed mixer, and 30.0 g o...

Embodiment 3

[0084] (1) Preparation of guanidinium salt composite antibacterial agent

[0085] a. Dissolve 1000.0 g of polyhexamethylene guanidine propionate in water to make an aqueous solution with a mass concentration of 40%; prepare 100.0 g of zinc acetate to make an aqueous solution with a mass concentration of 15%. 150.0g of nitrile latex solution was directly used after radiation crosslinking, and the concentration was 30%. b. Add the prepared guanidinium salt polymer aqueous solution into the container containing the zinc-containing aqueous solution, and stir while adding until uniformly mixed to form a transparent liquid mixture. c. Add the liquid mixture in step b into the latex solution, and stir while adding until the mixture is uniform. Then, 5.0 g of anti-migration agent was added to the mixture. d. Dry the mixture obtained in step c with a spray dryer to obtain a solid powder; transfer the obtained solid powder to a high-speed mixer, add 15.0 g of nano-calcium carbonate as...

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Abstract

The invention belongs to the technical field of polypropylene filaments, and relates to an antibacterial and mildew-resistant polypropylene filament and a preparation method thereof. The antibacterialand mildew-resistant polypropylene filament is prepared from polypropylene, a guanidine salt composite antibacterial agent, a mildew-resistant agent and other auxiliary agents; the guanidine salt composite antibacterial agent is prepared from, by weight, 100 parts of a guanidine salt polymer, 0.01-40 parts of zinc salt and / or copper salt, 0.1-10 parts of an anti-migration agent, 0.5-100 parts ofnano-sized powder rubber and 0.1-10 parts of a dispersing agent. The polypropylene filament has the good antibacterial and mildew-resistant performance, a long-lasting effect and good water resistance, antibacterial and mildew-resistant surface treatment is not needed after neutralization spinning is completed in the preparation process, the process is simple and easy to implement, and the preparation cost is low.

Description

technical field [0001] The invention belongs to the technical field of polypropylene filaments, and more specifically relates to an antibacterial and anti-mildew polypropylene filament and a preparation method thereof. Background technique [0002] Plastic products are one of the most common and most contacted items in people's life and work. Polypropylene (PP) is a thermoplastic with excellent performance, non-toxic, heat-resistant, chemical-resistant, easy to process and shape, and low cost. It has been widely used in long fiber and non-woven fabrics. Polypropylene filament can be used in all aspects of people's lives, such as weaving clothing, making carpets, etc., which are items that often come into contact with the human body. Because they are easy to be contaminated and breed a variety of microorganisms during processing and use, they can cause pathogenic bacteria, mold, etc. It has caused certain harm to people's health. In recent years, with the improvement of liv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F6/46D01F1/10
Inventor 徐萌初立秋李杰张师军张晓红宋志海权慧白弈青
Owner CHINA PETROLEUM & CHEM CORP
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