softening agent

softening agent

[′sȯf·ən·iŋ ‚ā·jənt]
(materials)
A substance that is added to another substance to increase softness; for example, stearic acid added to plastics, fat-liquoring agents to leather, and fatty alcohol to fabrics.
A chemical that softens hard water by removing or trapping calcium and magnesium ions.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
"Animals with very inflamed anal sacs may require tranquilization." If the liquid in the sacs is too dry to express, veterinarians can infuse saline or another softening agent into the sacs to help.
However, it turned out to be a softening agent for water in swimming pools.
Water has been shown to have a ceruminolytic action whereas 2% Para-dichlorobenzene is a wax softening agent and so the disintegration of wax after using water may be more effective.
Washington may 24 ( ANI ): A common PVC softening agent may enter infant's body via ingestion or breathing, according to a new study.
The chemicals called phthalates are used in products such as clingfilm as it can be a softening agent in plastics but they can be used in cosmetics such as self tans and perfumes.
It is commonly used as a softening agent in plastics made of polyvinyl chloride and because it is not chemically bonded to the plastic polymer, it, too, migrates out during routine use.
PA is a raw material for the production of dioctyl phthalate (DOP), which is added to PVC (polyvinylchloride) and PU (polyurethane) as softening agent to enhance ease of shaping.
One might argue that not all the water leaves the film, but some molecules remain, acting as a softening agent. This is why we see an increase in the molecular crosslink density, calculated from storage modulus (see equation [1] on page 28).
After all, it's been over a decade since Greenpeace found significant levels of phthalates in soft PVC plastic toys and polymer modeling clays, and warned that the softening agent can leak from toys that are sucked or chewed.
It is formulated with coenzyme Q10, which boosts the skin's natural ability to renew itself, and with imidazolidinyl urea, a powerful softening agent used in most high-end exfoliating formulas.
Meyer's Clean Day Dryer Sheets: Each sheet contains a vegetable-derived softening agent and essential oils on a non-woven substrate, to reduce static and add fragrance to clothes.