Advantages of natural antimicrobial finishing agents

2021-11-04   Pageview:337

The advantages of natural antimicrobial agents are that they are not chemical products, are extracted from natural foods or plants or used directly, and are generally not harmful to the environment in the production and use process, and are biocompatible, and thus are favored.

The disadvantages are also obvious: the decomposition of charring starts at 160-180°C, which makes the application range very limited.













Organic titanate is a new type of chemical additives-14~171 which developed rapidly at ebs wax tds the end of the 20th century and applied in many production fields. In the plastics industry, titanate coupling agent activates the filler, thereby increasing the amount of filling, reducing the amount of resin, reducing the cost of products, while improving processing performance, increasing product gloss, and improving quality; in the rubber industry, titanic acid Ester can reinforce the filler modification, reduce the amount of rubber and antioxidant, improve the wear resistance and anti-aging ability, and its gloss has also been significantly improved; in the coating industry, titanate can increase the amount of pigment and filler. Improved dispersion performance, anti-settling effect, anti-blooming, improved paint film strength, bright color, and drier characteristics.

It can also reduce the baking temperature and shorten the time for baking; in the pigment industry, titanate can be used The dispersibility of the pigment is significantly improved, the grinding and dispersion time is shortened, and the color of the product is bright; in the oil field industry, titanate can improve the gelling performance, heat resistance temperature, downhole depth and permeability of the fracturing fluid, and improve oil recovery. The yield effect is significant; in the magnetic material industry, titanate coupling agent significantly improves the dispersibility of magnetic powder, and enhances the affinity with the tape base or carrier, thereby increasing its filling volume, increasing the magnetic density and increasing the magnetic signal Significantly improved; in the papermaking industry, titanate coupling agent improves the dispersibility of calcium carbonate or talc, greatly reduces loss, and increases its filling volume, enhances paper strength, and improves paper printing performance.

Since the United States Ken rich Petrochemical Company developed monofunctional titanate in the early 1970s, there have been more than 50 varieties. DuPont of the United States, Tio x deSpecialities Ltd of the United Kingdom, and Dynamit Nobel of Germany are well-known large companies producing titanate. Japan Mizhisuo Company introduced technology from the United States and also produces titanate coupling agents. From the beginning of the 1980s, there were only a few chemical plants in China that began industrial trial production. Now, there are more than 20 manufacturers, mainly in Nanjing, Changzhou, Yangzhou, Yixing, Yizheng and other cities in Jiangsu Province; Tianchang City, Anhui Province; Shandong Province Zibo, Qingdao City; Hangzhou City, Zhejiang Province; Fuzhou City, Fujian Province and other places.


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