회분식 공정 및 연속식 공정으로 제조된 SAN/SBS 블렌드의 특성에 관한 비교 연구

김진국

Polymer(Korea), Vol.16, No.2, 197-203, March, 1992

Export Citation

회분식 공정 및 연속식 공정으로 제조된 SAN/SBS 블렌드의 특성에 관한 비교 연구

Comparative Studies on the Properties of SAN/SBS Blend Prepared by Batch and Continuous Process

김진국

초록

최근 고분자 산업의 발달과 함께 가공공정의 새로운 기술개발이 요구된다. 이를 위하여 고분자 유변학적 이해가 필요하다. 본 연구에서는 고분자 가공공정에 있어서 기본공정의 하나인 혼합공정에서의 유변학적 거동을 조사하였다. 본문에서는 실제 산업계에서 혼합공정에 널리 쓰이고 있는 연속식의 이축압출기(Twin Screw Extruder)와 회분식의 내부 혼합기(Internal Mixer)를 사용하여 SAN(Styrene Acrylonitrile)과 SBS(Styrene-Butadiene-Styrene) 블렌드의 특성을 비교 검토하였다. SAN과 SBS의 조성별로 블렌드의 기계적 성질을 측정한 결과 SAN의 포함양이 많을 수록 인장강도, 항복점, 경도, 열변형온도, 굴곡강도, 굴곡탄성율과 비중이 증가한 반면 신율 파단점은 낮아짐을 알수 있었다.

New technologies in the polymer processing have been required with development of the polymer industries. The understanding of the rheological properties is needed to develop the polymer processing technology. Therefore, this study involves the investigation of the rheological behavior in the mixing which is one of the basic technologies in the polymer processing. The continuous type mixing machine (Twin Screw Extruder) and the batch type machine(Internal Mixer) were used to characterize SAN/SBS blend in this study. The results showed that tensile strength, elongation yeild

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[1] Killeffer DH, "Banbury, The Master Mixer," Palmerton, NY (1962)

[2] Frekley PK, WanIdris NY, Rubber Chem. Technol., 52, 193 (1979)

[3] White JL, Dibachi F, Suetsugu Y, Chritopher DB, J. Polym. Eng., 5, 50 (1985)

[4] Min K, White JL, Rubber Chem. Technol., 58, 1024 (1985)

[5] Hashizume S, Nihon Reoroji Gakkaishi, 15, 40 (1987)

[6] Hashizume S, Nihon Reoroji Gakkaishi, 16, 40 (1988)

[7] Min K, White JL, Rubber Chem. Technol., 60, 361 (1987)

[8] Morikawa A, Min K, White JL, Adv. Polym. Technol., 8, 383 (1988)

[9] Tadmor Z, Polym. Eng. Sci., 6, 185 (1966)

[10] Lindt JT, Polym. Eng. Sci., 16, 284 (1976)

[11] Erwin L, Morhtarian F, Polym. Eng. Sci., 23, 49 (1983)

[12] Rauwendaal C, Polym. Eng. Sci., 26, 1245 (1966)

[13] Kim BK, Kim MS, Kim KC, Shin YJ, Park SB, Polym.(Korea), 13(9), 725 (1989)

[14] White JL, Montes S, Kim JK, Kautschuk Gummi Kunststoffe, 43(1), 20 (1990)

[15] Han CD, "Rheology in Polymer Processing," Academic Press, NY (1976)

[16] Cheremisinoff NP, "Polymer Mixing and Extrusion Technology," Marcel Dekker Inc., NY (1987)

[17] Kim JK, White JL, Min K, Szydlowski W, Int. Polym. Process., 4, 9 (1989)

[18] Kim JK, "Analsis of Flow and Mixing in an Internal Mixer with Different Rotor Design," Ph.D. Dissertation, Univ. of Akron (1989)

[19] Kim JK, White JL, Nihon Reoroji Gakkaishi, 17(4), 203 (1989)

[20] Kim JK, Korean J. Rheol., 2(2), 28 (1990)

[21] White JL, "Principles of Polymer Engineering Rheology," John Wiley & Sons, Inc., New York (1990)