Questions tagged [rubber]

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Overtreatment of vintage rubber parts with Wintergreen oil

I have read in many places that treating old rubber parts with wintergreen (methyl salicylate) will soften the rubber again. The method I chose was on this website . I have seen many ways to do the ...
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1 answer
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Chemical product to restore a rubberized coating that became tacky / sticky?

I have several Dell Latitude E6520 laptops whose the palmrests became tacky / sticky. This problem also concerns other models sharing the same "rubberized" palmrest coating (E6320, E6420, ...
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Organic solvent that won’t attack either PET or butyl rubber?

I am looking for a suitable organic solvent for dissolving dried-on polyurethane adhesive on a substrate of nylon/butyl/polyester. Acetone is ruled out because it attacks polyester (PET) and Toluene ...
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2 votes
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213 views

What gives natural rubber a permanent shiny finishing?

Natural rubber is made by vulcanizing latex mixed with sulphur. Commonly, the resulting natural rubber is dull instead of shiny. However, there are also products made out of natural rubber that are ...
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Can ethanol and heat during distillation cause degradation/dissolution of vinyl tubing leading hot vapors of the distillate to the condenser?

I'm a chemist and a qa lab, and we occasionally test herbal remedy products from one of our customers for alcohol content using a distillation, then using the specific gravity of the distillate to ...
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Oily residue on old toy rubbery tyres

I have some sets made by well-known Danish plastic toy manufacturer from my childhood which I've been reviewing recently. Most of the elements was in a condition I was expecting (some yellowing, a ...
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3 votes
2 answers
175 views

Why n-alkanes can be found in organic solvent extract of rubber?

Sorry for the confusing title, I didn't know how to describe this better. So, if we douse rubber, say, a bicycle tire or a certain type of rubber glove, with organic solvent (n-heptane), we can find n-...
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2 votes
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28 views

Cleaning of chlorbutyl plungers

This is my first post, so please bear with me. At work I have some chlorobutyl plungers that I need to clean from any residual material that might be left after production. A colleague of mine told ...
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Synthetic rubber coagulation

Is it possible to make crepe rubber from combining a synthetic rubber emulsion (Styrene Butadiene Emulsion) and a strong acid?
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4 votes
2 answers
4k views

Solvent for tire rubber

I want to apply tire rubber on surfaces, for various reasons - including protection against water. I think of tire rubber, as it is so widely available - helping in reducing pollution (infinitesimally)...
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8 votes
1 answer
721 views

Why is Buna-S called so?

Styrene Butadiene synthetic rubber is also called Buna-S. It is the abbreviation of Butadiene (Bu) Sodium (Na) Styrene (S). Why is Sodium included?
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Does rubber use one or two sulfur atoms to crosslink? [closed]

Does rubber use one or two sulfur atoms to crosslink?
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How to make sure molded silicone rubber adheres to the ABS mold?

For one of my experiments I need to coat a 3D printed ABS part with a thin layer of silicon rubber: Basically I want to make sure the molded silicon will adhere to one mold (the negative side in ...
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3 votes
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807 views

Can fat make rubber gloves stiff?

Sometimes I use dishwashing gloves when carving cooked duck, which is very fatty. I have noticed that over time my dishwashing gloves seem to be shrinking a little bit and getting stiff. Could this be ...
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