On the macro- and microphase separation of compatibilizers in immiscible polymer blends
(1996) In Journal of Polymer Science. Part B, Polymer Physics 34(7). p.1289-1299- Abstract
- Macro- and microphase separation of compatibilizing graft copolymers in melt-mixed polystyrene/polyamide-6 blends was studied by transmission electron microscopy and thermal analysis. Three different graft copolymers with main chains of polystyrene and side chains of poly(ethylene oxide) were used as additives at various concentrations. The polyamide-6 domain sizes decreased with increasing amounts of compatibilizing graft copolymers in the blends up to a saturation concentration, after which no further reduction was noted. Macrophase separation of the graft copolymers into discrete macrodomains 20-200 nm in size occurred at concentrations equal to or slightly lower than the saturation concentration. The macrodomains of the graft... (More)
- Macro- and microphase separation of compatibilizing graft copolymers in melt-mixed polystyrene/polyamide-6 blends was studied by transmission electron microscopy and thermal analysis. Three different graft copolymers with main chains of polystyrene and side chains of poly(ethylene oxide) were used as additives at various concentrations. The polyamide-6 domain sizes decreased with increasing amounts of compatibilizing graft copolymers in the blends up to a saturation concentration, after which no further reduction was noted. Macrophase separation of the graft copolymers into discrete macrodomains 20-200 nm in size occurred at concentrations equal to or slightly lower than the saturation concentration. The macrodomains of the graft copolymers were microphase separated, and the sizes and shapes of the microdomains were found to largely depend on the graft copolymer structure and composition. As a consequence of microphase separation, poly(ethylene oxide) crystallinity was noted in blends with sufficiently high macrophase contents. Observations of a graft copolymer interphase between the polystyrene matrix and the polyamide-6 domains confirmed that the graft copolymer was present at the blend interfaces in some of the compatibilized blends. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/149580
- author
- Jannasch, Patric LU ; Hassander, Helen LU and Wesslén, Bengt LU
- organization
- publishing date
- 1996
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Journal of Polymer Science. Part B, Polymer Physics
- volume
- 34
- issue
- 7
- pages
- 1289 - 1299
- publisher
- John Wiley & Sons Inc.
- external identifiers
-
- scopus:0030150388
- ISSN
- 0887-6266
- DOI
- 10.1002/(SICI)1099-0488(199605)34:7<1289::AID-POLB11>3.0.CO;2-6
- language
- English
- LU publication?
- yes
- additional info
- The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Polymer and Materials Chemistry (LTH) (011001041)
- id
- e907082b-efba-43b9-bb00-84ec95904aa0 (old id 149580)
- date added to LUP
- 2016-04-01 16:08:35
- date last changed
- 2022-02-27 19:09:45
@article{e907082b-efba-43b9-bb00-84ec95904aa0, abstract = {{Macro- and microphase separation of compatibilizing graft copolymers in melt-mixed polystyrene/polyamide-6 blends was studied by transmission electron microscopy and thermal analysis. Three different graft copolymers with main chains of polystyrene and side chains of poly(ethylene oxide) were used as additives at various concentrations. The polyamide-6 domain sizes decreased with increasing amounts of compatibilizing graft copolymers in the blends up to a saturation concentration, after which no further reduction was noted. Macrophase separation of the graft copolymers into discrete macrodomains 20-200 nm in size occurred at concentrations equal to or slightly lower than the saturation concentration. The macrodomains of the graft copolymers were microphase separated, and the sizes and shapes of the microdomains were found to largely depend on the graft copolymer structure and composition. As a consequence of microphase separation, poly(ethylene oxide) crystallinity was noted in blends with sufficiently high macrophase contents. Observations of a graft copolymer interphase between the polystyrene matrix and the polyamide-6 domains confirmed that the graft copolymer was present at the blend interfaces in some of the compatibilized blends.}}, author = {{Jannasch, Patric and Hassander, Helen and Wesslén, Bengt}}, issn = {{0887-6266}}, language = {{eng}}, number = {{7}}, pages = {{1289--1299}}, publisher = {{John Wiley & Sons Inc.}}, series = {{Journal of Polymer Science. Part B, Polymer Physics}}, title = {{On the macro- and microphase separation of compatibilizers in immiscible polymer blends}}, url = {{http://dx.doi.org/10.1002/(SICI)1099-0488(199605)34:7<1289::AID-POLB11>3.0.CO;2-6}}, doi = {{10.1002/(SICI)1099-0488(199605)34:7<1289::AID-POLB11>3.0.CO;2-6}}, volume = {{34}}, year = {{1996}}, }