The influence of pH on the Performance of Organosilicone Surfactants

GA Policello; GJ Murphy; PJG Stevens; WA Forster

doi:10.1520/STP13018S

SYMPOSIA PAPER Published: 01 January 1995

STP13018S

The influence of pH on the Performance of Organosilicone Surfactants

Source

Trisiloxane based spreading agents are a unique class of surfactants that enhance spray coverage and, in many cases, increase the uptake of agrochemicals into plant tissue through stomatal flooding. The degree of uptake is closely related to the spreading ability of these surfactants. Solution pH is a key influence on the performance of trisiloxanes. These materials undergo rapid hydrolysis at extremes in pH, and therefore show a marked decrease in spreading and uptake of chemicals into leaf tissue. Buffering solutions of the trisiloxane surfactants to a neutral pH increases their hydrolytic stability from hours to > 2 years.

Author Information

Policello, GA

OSi SPECIALTIES Inc., Tarrytown, NY

Stevens, PJG

, Rotorua, N.Z.

Forster, WA

, Rotorua, N.Z.

Murphy, GJ

OSi SPECIALTIES Inc., Tarrytown, NY

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Details

Developed by Committee: E35

Pages: 313–317

DOI: 10.1520/STP13018S

ISBN-EB: 978-0-8031-5298-4

ISBN-13: 978-0-8031-1890-4

The influence of pH on the Performance of Organosilicone Surfactants

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