[논문]Rheological properties of elastomer‐modified polypropylene and their influence on the formation of flow marks

doi:10.1002/app.32384

Rheological properties of elastomer‐modified polypropylene and their influence on the formation of flow marks

Journal of applied polymer science, v.118 no.1, 2010년, pp.604 - 610

Iannuzzi, Giovanna (Department of Materials and Manufacturing Technology, Chalmers University of Technology, Gö) , Rigdahl, Mikael (teborg SE‐)

Abstract ▼ AI-Helper

AbstractA premium appearance is essential for many polymeric products and for this reason surface defects associated with the manufacturing process, e.g. injection molding, are detrimental. In this study, the interest is focussed on defects arising during injection molding of such elastomer‐modified polymers that are often used in the automotive sector to produce interior and exterior components. In particular, defects denoted as “flow marks” or “tiger stripes” were investigated. These defects appear on the surface of the injection‐molded components, especially if long flow lengths are involved and consist of alternating glossy and dull bands. Here an attempt was made to elucidate to what extent some important rheological properties of the polymer melts influence the generation of such flow marks. Hence, the flow properties, mainly in shear; of three different grades of elastomer‐modified polypropylene containing mineral fillers were correlated to their propensity for defect generation. In summary, it was noted that a higher melt elasticity, as reflected in pressure losses during flow through a capillary, the degree of die swell and to some extent the dynamic‐mechanical behavior, leads to less severe flow marks or retards the formation of such defects. Elongational draw‐down experiments also indicated a more stable flow in the case of the melt that exhibited the highest elasticity. Furthermore, subjecting the measured flow behavior to a Mooney analysis, the results obtained pointed to that wall‐slip in itself is not a primary cause for the appearance of the type of flow marks studied here. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010

주제어

참고문헌 (23)

1 Ignell , S. ; Kleistand , U. ; Rigdahl , M. Polym Eng Sci 2009 , 49 , 344 .

상세보기
2 Lacrampe , M. F. ; Pabiot , J. J Inj Molding Technol 2000 , 4 , 167 .
3 Bultersand , M. ; Schepens , A. In Proceedings of the 16th Annual Meeting of the Polymer Processing Society ; Hrymak, A.; Covas, J. A.; Kikutani, T., Eds. Shanghai, China, 2000 ; p 144 .
4 Grillet , A. M. ; Bogaerds , A. C. B. ; Peters , G. W. M. ; Baaijensand , F. P. T. ; Bulters , M. J Rheol 2002 , 46 , 651 .

상세보기
5 Hobbs , S. Y. Polym Eng Sci 1996 , 36 , 1489 .

상세보기
6 Iannuzzi , G. ; Boldizarand , A. ; Rigdahl , M. Annual Transactions ; The Nordic Rheology Society : Reykjavik, Iceland , 2009 ; p 157 .
7 Hamadaand , H. ; Tsunasawa , H. J Appl Polym Sci 1996 , 60 , 353 .

상세보기
8 Hirano , K. ; Suetsuguand , Y. ; Kanai , T. J Appl Polym Sci 2007 , 104 , 192 .

상세보기
9 Heuzey , M. C. ; Dealy , J. M. ; Gaoand , D. M. ; Garcia‐Rejon , A. Int Polym Process 1997 , 12 , 403 .

상세보기
10 Mathieu , L. ; Stockmann , L. ; Haudin , J. M. ; Monasse , B. ; Vincent , M. ; Barthez , J. M. ; Charmeau , J. Y. ; Durand , V. ; Gazonnerand , J. P. ; Roux , D. C. Int Polym Process 2001 , 16 , 404 .

상세보기
11 Patham , B. ; Papworth , P. ; Jayaraman , K. ; Shuand , C. ; Wolkowicz , M. D. J Appl Polym Sci 2005 , 96 , 423 .

상세보기
12 Brodiland , J. ; Sehanobish , K. In Proceedings of Automotive Thermoplastic Polyolefins (TPO) Global Conference ; Sterling Heights, Michigan, USA, 2005 ; Curran Associates, Inc. (Aug 2006) 437 (1 Vol) p 70 .
13 Dharia , A. J Inj Molding Technol 1999 , 3 , 67 .
14 Chang , M. C. O. In Proceedings of Annual Technical Conference—ANTEC , Society of Plastics Engineers (Brookfield, Conn), San Francisco, CA, USA, 1994 ; p 360 .
15 Hirano , K. ; Tamuraand , S. ; Kanai , T. J Appl Polym Sci 2007 , 105 , 2416 .

상세보기
16 Hirano , K. ; Tamura , S. ; Obataand , Y. ; Kanai , T. J Appl Polym Sci 2008 , 108 , 76 .

상세보기
17 Chandaand , M. ; Roy , S. K. Plastic Fundamentals, Properties, and Testing ; CRC Press ‐ Taylor & Francic Group : Boca Raton, FL, USA , 2009 .
18 Bagley , E. B. J Appl Phys 1957 , 28 , 624 .
19 Mooney , M. J Rheol 1931 , 2 , 210 .
20 Archer , L. A. Polymer Processing Instabilities, Control and Understanding—Wall Slip: Measurement and Modeling Issues ; Hatzikiriakis , S. G. , Migler , K. B. , Eds.; New York, USA , 2005 .
21 Luptonand , J. M. ; Regester , J. W. Polym Eng Sci 1965 , 5 , 235 .

상세보기
22 Dealyand , J. ; Wissbrun , K. Melt Rheology and Its Role in Plastics Processing ; Nostrand Reinhold : New York, USA , 1990 .
23 Ferry , J. D. Viscoelastic Properties of Polymers , 3rd ed. ; John Wiley & Sons : New York, USA , 1980 .

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 논문명, 저널/프로시딩명, 저자 , 발행년, 권, 호, 시작페이지, 끝페이지, 발행기관 관리번호, 논문명, 대등논문명, 저자 , 저널/프로시딩명, 발행기관, 발행년, 발행언어, 권, 호, 시작페이지, 끝페이지, ISBN, ISSN, 주제분야, 키워드, 초록(한글), 초록(영문), 저자(소속기관)
저장형식	Text(ASCII format) Excel format RefWorks Direct Export RIS format (for Reference Manager, ProCite, EndNote), Scholar's Aids, Mendeley
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Rheological properties of elastomer‐modified polypropylene and their influence on the formation of flow marks

Abstract ▼ AI-Helper

주제어

참고문헌 (23)

이 논문을 인용한 문헌

관련 콘텐츠

원문 URL 링크

이 논문과 함께 이용한 콘텐츠

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

선택된 텍스트