BE334691A - - Google Patents
Info
- Publication number
- BE334691A BE334691A BE334691DA BE334691A BE 334691 A BE334691 A BE 334691A BE 334691D A BE334691D A BE 334691DA BE 334691 A BE334691 A BE 334691A
- Authority
- BE
- Belgium
- Prior art keywords
- mass
- urea
- hardening
- formaldehyde
- condensation
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical class O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 15
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 13
- 239000004202 carbamide Substances 0.000 claims description 13
- 230000005494 condensation Effects 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- 238000004090 dissolution Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000010411 cooking Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical class O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- 229930040373 Paraformaldehyde Natural products 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920002866 paraformaldehyde Polymers 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 241000013355 Mycteroperca interstitialis Species 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- -1 for example Natural products 0.000 description 1
- 150000004675 formic acid derivatives Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000002311 subsequent effect Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Landscapes
- Phenolic Resins Or Amino Resins (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE334691A true BE334691A (OSRAM) |
Family
ID=13248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE334691D BE334691A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE334691A (OSRAM) |
-
0
- BE BE334691D patent/BE334691A/fr unknown
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