DOA 가소제를 함유한 추진제의 라이너 가소제 종류에 따른 물성 변화 연구

안지훈; 박성준; 전수아; 김가희; 박정호; JeeHun Ahn; Sungjun Park; Sua Jeon; Kahee Kim; Jungho Park

Polymer(Korea), Vol.46, No.2, 246-250, March, 2022

DOI10.7317/pk.2022.46.2.246 Export Citation

DOA 가소제를 함유한 추진제의 라이너 가소제 종류에 따른 물성 변화 연구

Physical Properties of Propellants Containing Dioctyl Adipate Plasticizers Containing Different Liner Plasticizers

안지훈, 박성준, 전수아, 김가희, 박정호^†

㈜한화 대전사업장 추진기술센터

JeeHun Ahn, Sungjun Park, Sua Jeon, Kahee Kim, and Jungho Park^†

Propulsion Center, Hanwha Daejeon Plant, Hanwha Corporation, 99 Oesam-ro 8beon-gil, Yuseoung-gu, Daejeon 34060, Korea

E-mail:

초록

본 연구에서는 dioctyl adipate(DOA)를 함유한 추진제가 다양한 가소제를 함유한 라이너와 접착하여 경화되 었을 때 물성 변화를 관찰하였다. 추진제 내의 가소제인 DOA의 확산 효과에 의하여 추진제, 라이너 특성이 크게 변화하는 것을 실험을 통해 확인하였다. Isodecylpelargonate(IDP) 가소제를 함유한 라이너와 추진제의 접착력은 DOA 혹은 DOA와 화학구조가 비슷한 dioctylsebacate(DOS)를 함유한 라이너와 추진제 사이의 접착력에 비해 평균 53.2% 떨어졌다. 또한 IDP 가소제를 함유한 라이너가 적용된 추진제의 물성은 그렇지 않은 추진제에 비하여 영률 값, 인장 하중 값이 각각 평균 15.6%, 4.5% 크고 연신율 성능은 평균 3.9% 떨어졌다.

In this study, when the propellant containing dioctyl adipate (DOA) adhered to the liner containing various plasticizers and was cured, the change in the properties of the propellant was confirmed. In the process, it was confirmed through an experiment that the properties of the propellant and liner were significantly changed by the diffusion effect of DOA, a plasticizer in the propellant. The adhesion between the propellant and the liner containing the isodecylpelargonate (IDP) plasticizer was decreased by an average of 53.2% compared to the adhesion between the liner and the propellant containing DOA or dioctylsebacate (DOS) which has a similar chemical structure to DOA. In addition, the physical properties of the propellant to which the liner containing IDP plasticizer was applied were 15.6% and 4.5% higher on average in modulus and tensile strength, respectively, and the elongation performance was lower by 3.9% on average, compared to the propellant without IDP plasticizer.

Keywords:propellant;liner;plasticizer;adhesion;physical properties

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[2] Charturvedi S, Dave PN, Arab. J. Chem., 12, 2061 (2019)

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[4] Huang ZP, Liu JJ, Xu SL, Bai J, Ma XG, J. Solid Rocket Techn., 33, 41 (2010)

[5] Gottlieb L, Bar S, Prop. Explos. Pyrotec., 28, 12 (2003)

[6] Sutton GP, Rocket Propulsion Elements: An Introduction to the Engineering of Rockets, 6th ed; Wiley: New York, 1992.

[7] Adolf E, Principles of Solid Propellant Development; CPIA Publication: Laurel, 1987.

[8] Yin HL, Wang Y, Li DF, J. Solid Rocket Techn., 32, 527 (2009)

[9] Kolling OW, J. Phys. Chem., 96, 6217 (1992)