×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Thermally and Electrically Conductive Rubber

Thermally and Electrically Conductive Rubber

Thermally and Electrically Conductive Rubber

(OP)
Just doing some brainstorming...If you were to make rubber conductive, how would you do it?  Thanks.

RE: Thermally and Electrically Conductive Rubber

You add conductive fillers to the rubber.  For example, silver, silver plated copper, silver plated aluminum, silver plated glass or graphite.  

Hope this helps.

Dennis

RE: Thermally and Electrically Conductive Rubber

Hi,

There are new technologies that can make rubber conductive using carbon nanotubes. They are comercially available
 
Ex. magnetorestrictive materials.

regards,

1399

RE: Thermally and Electrically Conductive Rubber

Incorp[orate a conductive channel black.

RE: Thermally and Electrically Conductive Rubber

Ah, but could it be used in open celled or blown rubber?

Maybe you could create a sheet of rubber that functions as thousands of small capacitors, with air as the dielectric?  

(just kidding)

RE: Thermally and Electrically Conductive Rubber

1) conductive carbon black is one way but one has to add enough to make the polymer conductive. Too much carcon balck is hard to process and handle and alter the polymer procerty too much to be of use in some cases. Metal powders have other chemical problems.

2) Ther are conductive agents one can purchase and use as an additives.

3) If the polymer are specific, each polymer can be rendered conductive by specific agents---

RE: Thermally and Electrically Conductive Rubber

Conductive rubbers are commercially available. They are primarily silver powder dispersed in a rubber matrix. Alternatives to silver include nickel, carbon black and aluminum. Silver gives the highest conductivity.

You disperse the conductive powder into the pre-cured rubber (e. g., 3-roll mill), cast and cure. I'm not sure why, but the conductivity is never as high as for conductive epoxies, which are also made this way.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources