Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Study on Physical Properties of PVC Involving Norbornene Dialkyl Ester

Norbornene Dialkyl Ester가 첨가된 PVC의 물성 연구

  • Received : 2014.09.01
  • Accepted : 2014.09.19
  • Published : 2014.12.10
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Abstract

In this study, we observed changes in the physical properties of norbornene dialkyl ester applied to a PVC. The PVC specimens were prepared by blending PVC, norbornene dialkyl ester and stabilizers. Then, the hardness, tensile strength, elongation, tearing strength, transmittancy, haze and yellowness index of these specimens were measured, and were compared with DOP. The hardness of compounds except dicyclohexyl-5-norbornene-2,3-dicarboxylate (DCHN) were an equal to or higher than that of DOP. The tearing strength and tensile characteristic of DCHN could not be analyzed due to its high hardness. Tensile properties such as the tensile strength and elongation were improved for six compounds except diisononyl-5-norbornene-2,3-dicarboxylate (DINN). All compounds measured showed better tearing strength and transmittancy than those of DOP. Also all norbornene derivatives except DDN showed good haze indices. The yellowness index of DON and DPN showed similar values as DOP.

본 연구에서는 norbornene dialkyl ester 8종을 PVC에 적용하여 물리적 물성의 변화를 관찰하였다. PVC 시편은 PVC와 norbornene dialkyl ester, 안정제 등을 배합하여 제작하였고, 경도, 인장강도, 신율, 인열강도, 투과도, 투명도, 황변지수를 측정하여 DOP를 적용한 경우와 비교하였다. 경도는 dicyclohexyl-5-norbornene-2,3-dicarboxylate (DCHN)를 제외한 화합물 7종이 DOP와 동등 이상의 값을 나타내었다. DCHN을 적용한 경우 경도가 매우 높아 인장 특성 및 인열강도를 분석하지 못하였다. 인장 특성은 diisononyl-5-norbornene-2,3-dicarboxylate (DINN)을 제외한 6종의 화합물이 인장강도와 신율이 모두 개선되는 결과를 나타내었다. 인열강도와 투과도는 측정된 모든 화합물이 DOP를 적용한 경우와 동등 이상의 물성을 보였으며, 투명도는 DDN을 제외한 다른 norbornene 유도체들은 양호한 상태를 나타내었다. 황변지수에서는 DPN과 DON이 DOP와 유사한 결과를 나타내었다.

Keywords

References

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