Acetaldehyde → Formaldehyde urea silicate

HRID 258524

反応式

HRID 258524 の反応式
[Si:1]([OH:5])([OH:4])([OH:3])[OH:2].[NH2:6][C:7]([NH2:9])=[O:8].[CH:10](=[O:12])C>>[Si:1]([OH:5])([OH:4])([OH:3])[OH:2].[NH2:6][C:7]([NH2:9])=[O:8].[CH2:10]=[O:12]

参加物

3

反応物 2

HCID 177AcetaldehydeHCID 86734903Urea silicate2 回

生成物 1

HCID 86734902Formaldehyde urea silicate

実験手順

One mol by weight of metasilicic acid and one mol by weight of urea are mixed, heated to 95° to 150° C. for 20 to 60 minutes, until the reaction is substantially complete, thereby producing white granules of urea silicate. The said urea silicate is mixed into about one mol of acetoaldehyde in an aqueous solution and the urea silicate goes into solution. The unreacted metasilicic acid is filtered out. About 15% to 25% of said metasilicic acid is filtered out. The urea silicate formaldehyde solution is heated to 70° to 110° C. for 20 to 60 minutes, until the desired viscosity is obtained, thereby producing poly (formaldehyde urea silicate) resin. The resin may be produced as a thick clear resin or a solid, depending on the length of time the resin is heated.

後処理

  1. filtrationThe unreacted metasilicic acid is filtered out
  2. filtrationAbout 15% to 25% of said metasilicic acid is filtered out
  3. temperatureThe urea silicate formaldehyde solution is heated to 70° to 110° C. for 20 to 60 minutes
  4. customuntil the desired viscosity is obtained

出典と根拠

ORDレコード
ord-9780204487e14043b91a7386f1fc2080
出典データセット
uspto-grants-1977_07
特許番号
US04033935

関連ノート

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