Chongli Zhang

Title: Chongli Zhang and Polymer-Bound Ultraviolet Stabilizers.

Introduction

Chongli Zhang is an inventor associated with Beijing, China, and PPG Industries, Inc. His listed patent concerns benzotriazole compounds and polymers designed to provide ultraviolet-light stabilization.

Latest Patents

The supplied information lists one patent for Zhang: “2(2-hydroxyphenyl)2H-benzotriazole Compounds and Homopolymers.” It describes polymerizable, ethylenically unsaturated monomers made by reacting an epoxy-group-containing monomer with a specified benzotriazole compound. These monomers can be used to prepare free-radical addition polymers, or the benzotriazole compound can be attached to a previously prepared polymer.

The resulting polymers contain polymer-bound ultraviolet stabilizers. The patent identifies potential uses in exterior-coating binders, optical-lens resins, and sunscreen and suntanning-lotion components. Zhang’s listed patent count is 1 patent.

Career Highlights

The provided information associates Zhang with PPG Industries, Inc. and identifies his work on polymer chemistry and ultraviolet-stabilizing materials. The patent describes approaches for incorporating stabilizing compounds into polymers, with applications across coatings, optical materials, and personal-care products.

Collaborations

Otto Vogl is identified as Zhang’s coworker. The supplied details do not specify the nature of their collaboration or establish that Vogl was a co-inventor on the listed patent.

Conclusion

Chongli Zhang’s listed invention focuses on incorporating benzotriazole-based ultraviolet stabilizers into polymers, with potential applications in coatings, optical lenses, and sunscreen products.