Biodegradable Nitrile Gloves
Dec. 03, 2021

Nitrile gloves are manufactured through high-temperature vulcanization. During the vulcanization process, the presence of vulcanization agents can induce cross-linking of nitrile molecular chains to form a very stable cross-linked network structure. It is the existence of this cross-linked structure that endow nitrile gloves with excellent mechanical properties. However, the existence of cross-linked structure also makes the disposal of waste gloves significantly more difficult. Therefore, the use of a large number of disposable gloves provide people with high-efficiency protection while also causing extreme damage to the environment. Under this background, the development and production of biodegradable gloves are of great significance.


Biodegradation of nitrile gloves is mainly realized by introducing degradable additives into the nitrile latex system. From the view of processing, degradable additives need to have the following characteristics:

1. It can be well dispersed in the latex system;

2. It has good temperature resistance, at least it must be able to withstand high temperatures above 150°C;

3. The introduction of biodegradable agents will not have a significant impact on the application characteristics of gloves. From the perspective of biodegradation, biodegradation agents can work only in active soil. The mechanism is:  waste gloves are buried in the active soil. The degradable additives will attract microorganisms in the soil, and the microorganisms will move to the body. And then, the microorganisms will secrete the enzyme, which causes molecular chain scission or cross-linking scission through hydrolysis and form low molecular weight polymers. Microbes absorb low molecular weight substances into the body and convert the polymers into carbon dioxide and water through metabolism.

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