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Discussion on the environmental protection trend of silicone rubber
Source:iotachem.com
PostTime:2025-04-30 22:35:27
1. Material innovation and environmental protection performance improvement
Research and development of bio-based and biodegradable materials
At present, silicone rubber is mainly petroleum-based. In the future, it is necessary to explore the synthesis technology of bio-based silicone rubber (such as corn starch and bagasse as raw materials) to reduce dependence on fossil resources.


Develop biodegradable silicone rubber, through the introduction of easy-to-hydrolyze ester bonds, acetal bonds and other structures, so that it can decompose naturally in specific environments (such as soil, water bodies), and reduce microplastics pollution.


Application of low VOC and non-toxic additives
Instead of traditional catalysts and stabilizers containing heavy metals such as lead and cadmium, non-toxic and low-volatile organotin and titanate catalysts are used.
Develop low-odor, low-VOC silicone rubber formulas to meet indoor air quality standards (such as LEED certification requirements) and are suitable for scenarios such as building sealing and automotive interiors.


2. The green transformation of production technology
Energy efficiency optimization
Promote low-temperature vulcanization technology, reduce the vulcanization temperature and reduce energy consumption by improving the catalyst system (such as platinum-based catalysts).


New vulcanization processes such as microwave heating and infrared radiation are used to improve energy utilization and shorten production cycles.


Solvent recovery and waste gas treatment
Improve the solvent recovery system, recycle toluene, xylene and other solvents used in the production process, and reduce emissions.


Introduce RTO (regenerative oxidation furnace) or activated carbon adsorption technology to treat the organic waste gas generated during the vulcanization process to ensure that it is discharged to the standard.


3. Circular economy and resource utilization
Recycling technology of waste silicone rubber
Develop a recycling process that combines physical crushing and chemical depolarization to convert waste silicone rubber into silicone oil, silicon powder and other raw materials for reuse in silicone rubber production.


Explore the blending and modification technology of silicone rubber and thermoplastics to improve the reuse rate of waste materials.


Construction of closed-loop production system
Promote cooperation between silicone rubber manufacturers and downstream users, establish waste product recycling channels, and form a closed loop of “production-use-recycling-recycling”.


Encourage the modular design of silicone rubber products to facilitate disassembly and recycling, such as silicone rubber valves with replaceable seals.


4. Coordination of policies, regulations and standards
Improvement of environmental regulations
It calls on the government to formulate regulations such as VOC emission limits and heavy metal content standards for the silicone rubber industry to force companies to upgrade their technologies.




Encourage companies to apply for carbon footprint certification, quantify the environmental impact of silicone rubber products, and promote the low-carbon development of the industry.
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