Controlled synthesis and morphological characterization of nanometer-sized ionic crosslinking domains in PMMA

S. Karanam, J.G.P. Goossens, P.J. Lemstra

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Abstract

    The controlled synthesis of methacrylate di- and triblock ionomers was achieved by copper mediated atom transfer radical pPOLYmn. (ATRP). The synthetic strategy involves the use of tert-Bu methacrylate (tBMA) as the precursor for the methacrylic acid (MAA) block to obtain di- and triblock copPOLYmers with PMMA as the center block at various ratios of tBMA to MMA.PMMA macroinitiators with defined mol. wt. and high chain end functionality successfully initiate the copPOLYmn. of tBMA resulting in block copPOLYmers with excellent control of mol. wt. and low PDI.Normal Phase Gradient PPOLYmer Elution Chromatog. (NP-GPEC) was used to prove the existence of block copPOLYmer structure. Trifluoroacetic acid was used in the selective hydrPOLYsis of the Pt-BMA block resulting in methacrylic acid based blocks, which were soln. neutralized by ethanolic potassium hydroxide resulting in PMMA ionomers. The microphase sepn. and the formation of nanometer sized ionic domains varying from 12- 40 nm were confirmed by SAXS measurements. Salient features of the synthesis and morphol. of precursors/ionomers will be presented
    Original languageEnglish
    Title of host publicationAbstracts of Papers, 225th ACS National Meeting, New Orleans, LA, United States, March 23-27, 2003 (2003)
    Place of PublicationWashington, D. C
    PublisherAmerican Chemical Society
    PagesPOLY-044
    ISBN (Print)0-8412-3872-3
    Publication statusPublished - 2003
    Event225th ACS National Meeting - New Orleans, United States
    Duration: 23 Mar 200327 Mar 2003

    Conference

    Conference225th ACS National Meeting
    Country/TerritoryUnited States
    CityNew Orleans
    Period23/03/0327/03/03

    Fingerprint

    Dive into the research topics of 'Controlled synthesis and morphological characterization of nanometer-sized ionic crosslinking domains in PMMA'. Together they form a unique fingerprint.

    Cite this