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heteroatom

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heteroatom [′hed·ə·rō‚ad·əm]
(organic chemistry)
In an organic compound, any atom other than carbon or hydrogen.


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Attack of a primary amine then affords ring opening of the epoxide through a six-member ring transition state whereby protons are transferred among heteroatoms.
2] are each independently hydrogen or a hydrocarbon group of from 1 to about 20 carbon atoms; M optionally is a divalent hydrocarbon connecting group of from 1 to about 20 carbon atoms to link the silicon atom and the L group; L is a covalently bound hydrocarbon linking group of from 1 to about 20 carbon atoms or a heteroatom linking group selected from the group consisting of --O--, --S--, --[NR.
Table 2 lists the properties of heteroatom-containing aromatic urethane (meth)acry-late oligomers, and Table 3 lists the performance of three formulations based on the heteroatom aromatic urethane (meth)acrylate oligomers.
 
 
 
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