/sci/ - Science & Math » Thread #13821040

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Anonymous Fri 05 Nov 05:29:27 2021 No.13821040 View Reply Original Report

Quoted By: >>13821065

if you vulcanize 2 pieces of rubber together are they chemically bond or just "welded" together?

Anonymous

Anonymous Fri 05 Nov 2021 05:36:48 No.13821065 Report

Quoted By: >>13821066

>>13821040
Depends on how your define welding. The polymeric chains between the two blocks are being cross-linked with sulfur atoms and stuck together, so take that how you will

Anonymous

Anonymous Fri 05 Nov 2021 05:37:55 No.13821066 Report

Quoted By: >>13821076 >>13821077

>>13821065

is that connection a weak spot in the chain?

Anonymous

Anonymous Fri 05 Nov 2021 05:41:21 No.13821076 Report

Quoted By:

>>13821066
I'm no expert but i think it can be. The cross-linking varies depending on conditions. Sometimes there are chains of sulfur atoms between the polymer chains. I think overall the joint would definitely behave differently than the normal block since there is no chain entanglement or connection

Anonymous

Anonymous Fri 05 Nov 2021 05:41:41 No.13821077 Report

Quoted By:

>>13821066
Technically yes, depends on the direction of the stress relative to the link, tough elastomers usually stretch even with dents

Anonymous

Anonymous Fri 05 Nov 2021 06:14:57 No.13821131 Report

Quoted By:

WELDING IS BONDING

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