2026-03
Polyvinyl chloride (PVC) is a widely used thermoplastic, but it is inherently thermally unstable. When exposed to heat during processing or service, PVC undergoes dehydrochlorination, leading to the formation of conjugated polyene sequences, discoloration...
2026-02
As a widely used general - purpose plastic, PVC has poor thermal stability. It decomposes at around 140℃, a temperature far lower than its processing temperature of 160 - 200℃. This is highly likely to cause discoloration and performance degradation of pr...
2026-01
Light stabilizers are essential additives that inhibit photo-oxidation and photo-aging of polymeric materials such as plastics, coatings and fibers, preventing deterioration of their appearance and mechanical properties caused by ultraviolet (UV) radiatio...
2026-01
Ultraviolet (UV) radiation is the primary cause of aging in polymer materials. As a key polymer additive, light stabilizers can inhibit or delay UV-induced oxidative aging, extend the service life of products such as plastics and rubbers, and maintain the...
2025-12
On December 25th, the 2025 (2nd) Chengdu-Chongqing Twin City Economic Circle Rubber & Plastics Industry Development Conference was grandly held at Chongqing Minsheng Grand Hotel. The team of Top Choosing (Shanghai) Chemical Co., Ltd. was invited to partic...
2025-12
Top Choosing (Shanghai) Chemical Co., Ltd. has rolled out its customizable stabilizer product service. Leveraging its professional R&D capabilities and flexible production system, the company provides tailor-made solutions that precisely meet the demands ...
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