BE436052A - - Google Patents
Info
- Publication number
- BE436052A BE436052A BE436052DA BE436052A BE 436052 A BE436052 A BE 436052A BE 436052D A BE436052D A BE 436052DA BE 436052 A BE436052 A BE 436052A
- Authority
- BE
- Belgium
- Prior art keywords
- composition
- urea
- formaldehyde
- hot
- polymer
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 181
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 177
- 239000000203 mixture Substances 0.000 claims description 108
- 239000004202 carbamide Substances 0.000 claims description 90
- 238000006116 polymerization reaction Methods 0.000 claims description 61
- 229920000642 polymer Polymers 0.000 claims description 57
- 239000007788 liquid Substances 0.000 claims description 35
- 239000003292 glue Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 230000000240 adjuvant Effects 0.000 claims description 20
- 239000002671 adjuvant Substances 0.000 claims description 20
- 235000019441 ethanol Nutrition 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 19
- 238000009835 boiling Methods 0.000 claims description 11
- 238000006482 condensation reaction Methods 0.000 claims description 10
- 238000007792 addition Methods 0.000 claims description 9
- 239000005018 casein Substances 0.000 claims description 9
- 235000021240 caseins Nutrition 0.000 claims description 9
- 239000008098 formaldehyde solution Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 229960004279 formaldehyde Drugs 0.000 description 83
- 235000019256 formaldehyde Nutrition 0.000 description 82
- 235000013877 carbamide Nutrition 0.000 description 81
- 238000006243 chemical reaction Methods 0.000 description 26
- 239000000243 solution Substances 0.000 description 20
- 239000000126 substance Substances 0.000 description 17
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 14
- 239000000499 gel Substances 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 12
- 238000002156 mixing Methods 0.000 description 11
- 239000000945 filler Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 229940037003 alum Drugs 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000000834 fixative Substances 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- 239000007795 chemical reaction product Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- ODGAOXROABLFNM-UHFFFAOYSA-N Polynoxylin Chemical group O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 3
- 230000001737 promoting Effects 0.000 description 3
- 235000018102 proteins Nutrition 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 230000000717 retained Effects 0.000 description 3
- 210000003284 Horns Anatomy 0.000 description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive Effects 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- QUBQYFYWUJJAAK-UHFFFAOYSA-N 1,3-bis(hydroxymethyl)urea Chemical compound OCNC(=O)NCO QUBQYFYWUJJAAK-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 210000003491 Skin Anatomy 0.000 description 1
- UMGDCJDMYOKAJW-UHFFFAOYSA-N Thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 1
- 239000012445 acidic reagent Substances 0.000 description 1
- 230000002378 acidificating Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011068 load Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229950005308 oxymethurea Drugs 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000012066 reaction slurry Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003585 thioureas Chemical class 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- -1 urea formaldehyde compound Chemical class 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
- C08G12/12—Ureas; Thioureas
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE436052A true BE436052A (xx) |
Family
ID=94803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE436052D BE436052A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE436052A (xx) |
-
0
- BE BE436052D patent/BE436052A/fr unknown
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