Formaldehyde → HCID 86734906, compound

HRID 426522Notes

Reaction equation

HRID 426522 reaction equation
[Si:1]([O:5][Si:6]([OH:9])([OH:8])[OH:7])([OH:4])([OH:3])[OH:2].[NH2:10][C:11]([NH2:13])=[O:12].[NH2:14][C:15]([NH2:17])=[O:16].[CH2:18]=[O:19]>>[NH2:10][C:11]([NH2:13])=[O:12].[Si:1]([O:5][Si:6]([OH:9])([OH:8])[OH:7])([OH:4])([OH:3])[OH:2].[NH2:14][C:15]([NH2:17])=[O:16].[CH2:18]=[O:19]

Participants

4

Reactant 3

HCID 712FormaldehydeHCID 1176Urea2×HCID 86734907HCID 86734907, compound2×

Product 1

HCID 86734906HCID 86734906, compound

Procedure

The mixture of polysilicoformic acid, orthosilicoformic acid, silicoformic acid and metasilicic acid as produced in Example IX, 20 parts by weight of urea and potassium carbonate are added until the pH is 8 to 10, mixed, heated to 90° to 150° C. for 20 to 60 minutes, while stirring, thereby producing a mixture of urea disilicate and urea disilicoformate. About 80 parts by weight of an aqueous solution containing 37% formaldehyde is added to said urea disilicate and urea disilicoformate, heated to 80° to 100° C., while stirring, for 30 to 90 minutes or until the desired viscosity is reached, thereby producing poly (formaldehyde urea disilicate urea disilicoformate) resin.

Workup

  1. additionare added until the pH is 8 to 10
  2. additionmixed
  3. temperatureheated to 90° to 150° C. for 20 to 60 minutes
  4. customproducing
  5. additionis added
  6. temperatureheated to 80° to 100° C.
  7. stirringwhile stirring, for 30 to 90 minutes

Sources & evidence

ORD record
ord-07c4c8e339c5408e83184cd674842b29
Source dataset
uspto-grants-1979_10
Patent number
US04169930

Reaction notes

Loading…