Shunzo Endo

Title: Shunzo Endo: Innovator in Poly(arylene thioether) Production

Introduction

Shunzo Endo is a notable inventor based in Iwaki, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of poly(arylene thioether). With a total of 6 patents to his name, Endo's work has advanced the understanding and application of this important material.

Latest Patents

One of Endo's latest patents is a process for the production of poly(arylene thioether) containing phthalic anhydride groups. This innovative process involves reacting a dihalogen-substituted aromatic compound with an alkali metal sulfide in a polar organic solvent that contains water. The method ensures that a monohalogen-substituted phthalic compound is present in the polymerization reaction system, while controlling the ratio of the charged dihalogen-substituted aromatic compound to the alkali metal sulfide within a specific range. Another significant patent involves a polymer alloy of polyarylene thioether, which is prepared by polymerizing a radically polymerizable monomer with polyarylene thioether. This polymer alloy exhibits excellent physical properties, including good impact strength and improved anti-flash property.

Career Highlights

Throughout his career, Shunzo Endo has worked with prominent companies such as Kureha Kagaku Kogyo Kabushiki Kaisha and Kureha Kagaku Kogyo K.K. His work in these organizations has allowed him to develop and refine his innovative processes in polymer production.

Collaborations

Endo has collaborated with notable coworkers, including Takayuki Katto and Yo Iizuka. Their combined expertise has contributed to the advancements in the field of polymer chemistry.

Conclusion

Shunzo Endo's contributions to the production of poly(arylene thioether) and his innovative processes have made a lasting impact in the field of polymer chemistry. His work continues to influence the development of new materials and applications.