바나듐계 결정질 유리를 제조하여 표면적 측정, X-선 회절분석, 화학분석을 시행하였고 확인 반응으로서 촉매산반응 등을 통하여 촉매로서의 특성을 연구하였다. 바나듐계 유리는 V₂O₅와 P₂O₅ 및 B₂O₃를 조성과 열처리 조건을 변화시키며 제조하였다. 제조된 유리는 산으로 에칭하고 건조후 소성하였다. 촉매의 비표면적은 이성분계의 경우 1m²/g, 삼성분계의 경우 5-10m²/g이었으며, V⁴⁺/V⁵의 비는 이성분계의 경우 V₂O₅ 의 첨가비율이 증가함에 따라 증가하였다. X-선 회절분석은 제조된 모유리는 비정질이며 열처리함에 따라 결정질로 변화됨을 보여주었다. 제조된 촉매에 대하여 메틸사이클로펜탄, 사이클로펜탄, 사이클로펜타다이엔을 촉매반응시켜 촉매의 활성과 무수말레산의 선택도를 살펴보았다. 이성분계와 삼성분계 촉매의 구조적 화학적 성질의 상이성에 기인하여 반응 역시 다른 결과를 보였다. 이성분계의 경우 무수말레산의 수득율이 10% 미만인 반면 삼성분계의 경우 사이클로펜타다이엔의 경우 최고 50%의 수득율을 보였다.

Vanadium crystalline glasses were prepared and investigated through surface area measurement, X-ray diffraction, chemical analysis and catalytic oxidation as a probe reaction. The vanadium based glasses were prepared by fusing V₂O₅, P₂O₅ and B₂O₃ mixtures with different compositions and annealling conditions. The prepared glasses were leached in acidic solution, dried and calcined sequentially. From the results of surface area analysis and chemical analysis of V⁴⁺/V⁵⁺ ratio, it was found that the glasses were porous mate-rials of which surface area is about 1m²/g in binary system and 5-10m²/g in ternary system. The V⁴⁺/V⁵⁺ ratio increased with P₂O₅ ratio for V₂O₅-P₂O₅ ginary glass. X-ray diffraction analysis showed that the fresh glass was amorphous but it changed to crystalline as it was annealled. Through the catalytic oxidation of methylcyclopentane, cyclopentane and cyclopentadiene, catalytic activity and selectivity of maleic-anhydride on vanadium based glasses were studied. As to geometric and chemical defference between V₂O₅-P₂O₅ and V₂O₅-P₂O₅-B₂O₅-B₂O₃ systems, the reaction showed also different results. Binary catalysts had less than 10% yield of maleic anhydride, but ternary catalysts had maximum 50% yield of maleic anhydride for cyclopentadiene.

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