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Synthesis of difunctional oxyethylene-based compounds

Patent image
NRL

A method of reacting a toluenesulfonyl-terminated polyoxyethylene compound having the formula CH3—C6H4—SO2—(O—CH2—CH2)n—O—R1 with an ammonium salt having the formula NR24X to form a compound having the formula X—CH2—CH2—(O—CH2—CH2)n-1—R3. The value n is a positive integer. X is a halogen, cyanide, cyanate, thiocyanate, or azide. R1 is a terminating group. Each R2 is hydrogen or an alkyl group. —R3 is —O—R1 or —X.

Inventors: 
Holmes, Brian T.; Snow, Arthur W.
Patent Number: 
Technical domain: 
Materials and Coatings
FIle Date: 
2009-01-23
Grant Date: 
2011-04-12
Grant time: 
809 days
Grant time percentile rank: 
14
Claim count percentile rank: 
3
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY