All matter is composed of molecules, and there is mutual attraction between molecules. Molecules constitute matter because there are atoms, and the atoms are not single. The nucleus and its surrounding electron groups are composed. Electrons have negative charges, and atomic charges have positive charges. , just like the polarity,
Just as there is a positively charged anode and a negatively charged cathode in a molecule, the one that can be distinguished into an anode and a cathode in a molecule is called polarity. Molecules with polarity are called polar molecules, and those without polarity are called non-polar to distinguish them. Polar molecules are like magnets, and the anode and the cathode attract molecules. The cohesion becomes larger, and it has different characteristics from non-polarity.
Polar rubber:
Neoprene rubber, nitrile rubber, HNBR, XNBR, fluororubber, polyurethane rubber, polyether rubber, polysulfide rubber, ACM acrylate rubber, CM/CSM rubber
Non-polar rubber:
Natural rubber, styrene-butadiene rubber, butadiene rubber, ethylene-propylene rubber, butyl rubber
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