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Acid-functionalized polyolefin materials and their use in acid-promoted chemical reactions

Patent ·
OSTI ID:1256010
; ; ;
An acid-functionalized polyolefin material that can be used as an acid catalyst in a wide range of acid-promoted chemical reactions, wherein the acid-functionalized polyolefin material includes a polyolefin backbone on which acid groups are appended. Also described is a method for the preparation of the acid catalyst in which a precursor polyolefin is subjected to ionizing radiation (e.g., electron beam irradiation) of sufficient power and the irradiated precursor polyolefin reacted with at least one vinyl monomer having an acid group thereon. Further described is a method for conducting an acid-promoted chemical reaction, wherein an acid-reactive organic precursor is contacted in liquid form with a solid heterogeneous acid catalyst comprising a polyolefin backbone of at least 1 micron in one dimension and having carboxylic acid groups and either sulfonic acid or phosphoric acid groups appended thereto.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-BATTELLE, LLC (Oak Ridge, TN)
Patent Number(s):
9,359,320
Application Number:
14/032,727
OSTI ID:
1256010
Country of Publication:
United States
Language:
English

References (13)

Nb2O5·nH2O as a Heterogeneous Catalyst with Water-Tolerant Lewis Acid Sites journal March 2011
Enhanced production of hydroxymethylfurfural from fructose with solid acid catalysts by simple water removal methods journal August 2009
A new solid acid catalyst: the first phosphonate and phosphonic acid functionalised microporous polysilsesquioxanes journal January 2001
Atrazine transformation using synthetic enzymes prepared by molecular imprinting journal January 2004
Preparation of a novel poly(vinylsulfonic acid)-grafted solid phase acid catalyst and its use in esterification reactions journal January 2009
Oxidation of alcohols using cerium(IV) alkyl phosphonate modified silica journal January 2003
Environmentally benign, one-pot synthesis of pyrans by domino Knoevenagel/6π-electrocyclization in water and application to natural products journal January 2010
Covalently linked ethylmercaptophenyl sulfonic acid and ethylmercaptobenzyl sulfonic acid silica materials—Synthesis and catalytic activity journal February 2008
Synthesis of a cation-exchange fabric with sulfonate groups by radiation-induced graft copolymerization from binary monomer mixtures journal February 2008
Preparation of hydrophilic amidoxime fibers by cografting acrylonitrile and methacrylic acid from an optimized monomer composition journal October 2000
Poly(vinylsulfonic acid)-grafted solid catalysts: new materials for acid-catalysed organic synthetic reactions journal January 2010
Allylic and benzylic oxidation using cobalt(II) alkyl phosphonate modified silica journal May 2003
Conversion of carbohydrates into 5-hydroxymethylfurfural catalyzed by ZnCl2 in water journal January 2012

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY