Polymer-grafted silica: A screening system for polymeric adsorption resin development

Journal Article · Thu Apr 01 00:00:00 EST 1993 · Industrial and Engineering Chemistry Research; (United States)

DOI:https://doi.org/10.1021/ie00016a019· OSTI ID:6503958

Browne, T E; Cohen, Y ^[1]

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1. Univ. of California, Los Angeles (United States)

A screening-level methodology was developed for the evaluation of solute affinity for polymers that are candidate sorption resins. In this approach novel grafted polymer-silica resins were synthesized to produce poly(vinylpyrrolidone)-silica (PVP-Si) and poly(vinyl acetate)-silica (PVAc-Si) resins. The polymer-silica resins along with a number of commercially available polymer resins were used to evaluate the aqueous-phase adsorption of phenol, tetrachloroethene (PCE), trichloroethene (TCE), and chloroform. The polymer-grafted silicas were able to selectively remove pollutants from water with a covalently bonded polymer layer that has a high affinity for the target pollutant. The PVAc-silica resin had a sorption capacity for TCE and CHCl[sub 3] as high as commercial poly(styrene) resin XAD-4; the PVP-Si resin had a sorption capacity for phenol higher than a commercial poly-(vinylpyridine) resin (Reillex 425). PCE adsorption onto the PVAc-silica was comparable to the commercial poly(methacrylate) and poly(vinylpyridine) resins but less than the poly(styrene) resin. The results show that the Hildebrand solubility parameter along with the dipole moment of the polymer functional groups can be used for an initial screening-level assessment of polymer-solute affinity.

• OSTI ID: 6503958
• Journal Information: Industrial and Engineering Chemistry Research; (United States), Vol. 32:4; ISSN 0888-5885
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
CHLOROFORM
ADSORPTION
ORGANIC CHLORINE COMPOUNDS
PHENOL
RESINS
SORPTIVE PROPERTIES
COMPARATIVE EVALUATIONS
POLYMERS
SILICON OXIDES
SYNTHESIS
WATER POLLUTION CONTROL
AROMATICS
CHALCOGENIDES
CHLORINATED ALIPHATIC HYDROCARBONS
CONTROL
EVALUATION
HALOGENATED ALIPHATIC HYDROCARBONS
HYDROXY COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC POLYMERS
OXIDES
OXYGEN COMPOUNDS
PETROCHEMICALS
PETROLEUM PRODUCTS
PHENOLS
POLLUTION CONTROL
SILICON COMPOUNDS
SORPTION
SURFACE PROPERTIES
540220* - Environment
Terrestrial- Chemicals Monitoring & Transport- (1990-)
540320 - Environment
Aquatic- Chemicals Monitoring & Transport- (1990-)