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2015 | 17 | 3 | 78-83
Tytuł artykułu

Mechanical and thermal properties of PP/PBT blends compatibilized with triblock thermoplastic elastomer

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
A linear triblock copolymer, poly(styrene-b-etylene/butylene-b-styrene)(SEBS) thermoplastic elastomer (TPE) grafted with maleic anhydride was used for compatibilization of PP/PBT blends. PP/PBT blends of different mass ratios 60/40, 50/50, 40/60 were mixed with 2.5, 5.0 and 7.5 wt.% of SEBS copolymer in a twin screw extruder. Differential scanning calorimetry and dynamic mechanical analysis were performed to define the phase structure of PP/PBT blends. TPE with a rubbery mid-block shifted the glass transition of PP/PBT blend towards lower temperatures, and significant decrease the crystallization temperature of a crystalline phase of PP component was observed. The influence of the amount of compatibilizer and the blend composition on the mechanical properties (tensile and flexural strengths, toughness and moduli) was determined. Addition of 5 wt.% of a triblock TPE led to a three-fold increase of PP/PBT toughness. A significant increase of impact properties was observed for all materials compatibilized with the highest amount of SEBS copolymer.
Słowa kluczowe
Wydawca

Rocznik
Tom
17
Numer
3
Strony
78-83
Opis fizyczny
Daty
wydano
2015-09-01
online
2015-09-19
Twórcy
  • West Pomeranian University of Technology, Szczecin, Polymer Institute, ul. Pułaskiego 10, 70-322 Szczecin, Poland
  • West Pomeranian University of Technology, Szczecin, Polymer Institute, ul. Pułaskiego 10, 70-322 Szczecin, Poland
  • West Pomeranian University of Technology, Szczecin, Polymer Institute, ul. Pułaskiego 10, 70-322 Szczecin, Poland
  • West Pomeranian University of Technology, Szczecin, Polymer Institute, ul. Pułaskiego 10, 70-322 Szczecin, Poland, mirfray@zut.edu.pl
Bibliografia
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  • 6. El Fray, M. & Słonecki, J. (1999). Multiblock terephthalate copolymer as impact modifier for poly(propylene)/poly(butylene terephthalate) blends, Angew. Macrom. Chem. 266, 30–36. DOI: 10.1002/(SICI)1522-9505(19990501)266:1<30::AID-APMC30>3.0.CO;2-3.[Crossref]
  • 7. He, Y., Zhu, B. & Inoue, Y. (2004). Hydrogen bonds in polymer blends, Prog. Polym. Sci. 29, 1021–1051. DOI: 10.1016/j.progpolymsci.2004.07.002.[Crossref]
  • 8. Tsai, C.H. & Chang, F.C. (1996). Polymer Blends of PBT and PP Compatibilized by Ethylene-co-glycidyl Methacrylate Copolymers, J. Appl. Polym. Sci. 61, 321–332. DOI: 10.1002/(SICI)1097-4628(19960711)61:2<321::AIDAPP15>3.0.CO;2-6.[Crossref]
  • 9. Paik Sung, C.S. & Schneider, N.S. (1977). In: Klempner D. & Frisch K.C., editors. Polymer alloys, New York: Plenum Press, 251.
  • 10. Van Bogart, J.W.C., Lilaonitkul, A. & Cooper, S.L. (1979). Morphology and Properties of Segmented Copolymers Adv. Chem. Ser. 176, 3. DOI: 10.1021/ba-1979-0176.ch001.[Crossref]
  • 11. Janik, J., Krolikowski, W. & Peczek, P. (2004). Polymer blends PET/PE-LD and PET/PP with a new compatibilizer, Polimery 49, 432.
  • 12. Deschamps, A.A., Grijpma, D.W. & Feijen, J. (2001). Poly(ethylene oxide)/poly(butylene terephthalate) segmented block copolymers: the effect of copolymer composition on physical properties and degradation behavior, Polymer 42, 9335–9345. DOI: 10.1016/S0032-3861(01)00453-0.[Crossref]
  • 13. Kojio, K., Nonaka, Y., Masubuchi, T. & Furukawa, M. (2004). Effect of the composition ratio of copolymerized poly(carbonate) glycol on the microphase-separated structures and mechanical properties of polyurethane elastomers, J. Polym. Sci. Part B Polym. Phys. 42, 4448–4458. DOI: 10.1002/polb.20303.[Crossref]
  • 14. El Fray, M. & Słonecki, J. (1999). Multiblock terephthalate copolymer as impact modifier for poly (propylene)/poly(butylene terephthalate) blends. Die Angew Makromol Chemie 266, 30–36.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_1515_pjct-2015-0053
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