Formaldehyde → Formaldehyde urea silicate

HRID 1733546

Reaction equation

HRID 1733546 reaction equation
[Si:1]([OH:5])([OH:4])([OH:3])[OH:2].[NH2:6][C:7]([NH2:9])=[O:8].N[C:11](N)=[O:12].C=O>>[Si:1]([OH:5])([OH:4])([OH:3])[OH:2].[NH2:6][C:7]([NH2:9])=[O:8].[CH2:11]=[O:12]

Participants

3

Reactant 2

HCID 712FormaldehydeHCID 86734905Diurea silicate

Product 1

HCID 86734902Formaldehyde urea silicate

Procedure

About 10 parts by weight of the diurea silicate as produced in Example 5 are mixed with 10 parts by weight of a 37% aqueous solution of formaldehyde containing sufficient sulfuric acid to produce a pH of 4 to 6 when mixed. The mixture is rapidly and thoroughly mixed, and the reaction is exothermic. In a short period of time, a white solid poly(formaldehyde urea silicate) resinous product is produced.

Workup

  1. customto produce a pH of 4 to 6 when
  2. additionmixed
  3. additionthoroughly mixed
  4. waitIn a short period of time

Sources & evidence

ORD record
ord-474fd68eb09e4e4497c096fe53beee60
Source dataset
uspto-grants-1980_12
Patent number
US04242497

Linked notes

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