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#4747736 - 05/04/18 03:26 PM Additive Component Chemisty VII
MolaKule Offline


Registered: 06/05/02
Posts: 19133
Loc: Iowegia - USA

If I wanted a lubricant to "creep," spread, or fully cover a machine part, I would select this agent/component:


Q1: Name the agent


Q2: Explain in your own words what it accomplishes.




This question is not open to Engineers, Chemists, Formulators, or Tribologists.


Swipes and YouTube dumps do not qualify as a valid answer. no-no

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#4747813 - 05/04/18 05:09 PM Re: Additive Component Chemisty VII [Re: MolaKule]
CT8 Offline


Registered: 10/09/14
Posts: 11224
Loc: Idaho
In the old days white oil and thee days an ester or some kind of plastic.
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#4747846 - 05/04/18 05:46 PM Re: Additive Component Chemisty VII [Re: MolaKule]
MolaKule Offline


Registered: 06/05/02
Posts: 19133
Loc: Iowegia - USA
Not correct on all three counts, so try again. smile


It would be helpful to answer with complete sentences. An agent is, a chemical or chemical compound that takes an active role or produces a specified effect.


Q1: Name the agent (The agent is _____________).


Q2: Explain in your own words what it accomplishes. (This agent does this or that).



A little searching on BITOG and you will find the answers, such as:


Mutli-Functional Additives


Edited by MolaKule (05/04/18 05:49 PM)

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#4747872 - 05/04/18 06:20 PM Re: Additive Component Chemisty VII [Re: MolaKule]
Planb Offline


Registered: 01/30/12
Posts: 78
Loc: Ontario, Canada
1. Surfactant

2. It allows the creep or flow by reducing surface tension. If you have ever noticed water flowing on a surface, and have taken your finger and made a new path for the water to follow it begins to also follow the newly wetted trail.
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#4748283 - 05/05/18 08:44 AM Re: Additive Component Chemisty VII [Re: Planb]
MolaKule Offline


Registered: 06/05/02
Posts: 19133
Loc: Iowegia - USA
Originally Posted By: Planb
1. Surfactant

2. It allows the creep or flow by reducing surface tension. If you have ever noticed water flowing on a surface, and have taken your finger and made a new path for the water to follow it begins to also follow the newly wetted trail.



Planb submitted the correct response and in so doing receives the BITOG virtual Coffee Mug with the Piston Cup logo embossed.

happy banana


An older post to which I referenced as a Hint,
Multi-Functional Lubricants stated the following:

Quote:
Surfactants or Surface Active Agents (Protective Additive): family of diphenylamines and amides; usually part of the antioxidant package. Also provides enhanced friction reduction and allows oils to "climb" or spread on and over surfaces. Decreases but does not destroy surface tension


Some call the action, "Creep." In either case, it allows the lubricant to fully cover machine parts that may not get splashed or otherwise come into direct contact with the lubricant..

CVT ATF's have an especially powerful surfactant contained therein.

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#4751857 - 05/09/18 09:20 AM Re: Additive Component Chemisty VII [Re: MolaKule]
weasley Offline


Registered: 03/13/13
Posts: 750
Loc: UK
Also known as wetability or spreadability; the ability of drops of oil to form a covering film. It is influenced by both the lubricant and the surface (material, finish etc). One way of measuring surface tension is contact angle - the incident angle formed by the edge of a droplet and the surface it is sitting on. Oil spreadability can also be influenced by polymer content (and type).
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