NO131936B - - Google Patents
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- Publication number
- NO131936B NO131936B NO3229/70A NO322970A NO131936B NO 131936 B NO131936 B NO 131936B NO 3229/70 A NO3229/70 A NO 3229/70A NO 322970 A NO322970 A NO 322970A NO 131936 B NO131936 B NO 131936B
- Authority
- NO
- Norway
- Prior art keywords
- urea
- gel
- formaldehyde
- temperature
- cross
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 40
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 16
- 239000004202 carbamide Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 238000006068 polycondensation reaction Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 6
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 5
- 239000000084 colloidal system Substances 0.000 claims description 5
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000011164 primary particle Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000001879 gelation Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- WWILHZQYNPQALT-UHFFFAOYSA-N 2-methyl-2-morpholin-4-ylpropanal Chemical compound O=CC(C)(C)N1CCOCC1 WWILHZQYNPQALT-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical group OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical group NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical compound NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08J2361/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08J2361/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1382969A CH533143A (de) | 1968-03-21 | 1969-09-12 | Verfahren zur Herstellung von hochdispersen, aus vernetzten Harnstoff-Formaldehyd-Polykondensationsprodukten bestehenden Feststoffen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO131936B true NO131936B (enrdf_load_stackoverflow) | 1975-05-20 |
| NO131936C NO131936C (enrdf_load_stackoverflow) | 1975-08-27 |
Family
ID=4395683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO3229/70A NO131936C (enrdf_load_stackoverflow) | 1969-09-12 | 1970-08-25 |
Country Status (11)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2492759A1 (fr) * | 1980-10-27 | 1982-04-30 | Citroen Sa | Perfectionnements apportes aux mecanismes d'assistance rotative, notamment pour direction de vehicule |
| GB2172894B (en) * | 1985-03-29 | 1989-05-10 | Muirhead Data Communications L | Melamine/formaldehyde and urea/formaldehyde resinous materials |
| EP1128405A1 (en) * | 2000-02-21 | 2001-08-29 | Cherry GmbH | Microswitch module |
-
0
- BE BE756029D patent/BE756029R/xx active
-
1970
- 1970-08-12 FR FR707029702A patent/FR2059767B2/fr not_active Expired
- 1970-08-18 ZA ZA705676A patent/ZA705676B/xx unknown
- 1970-08-20 GB GB1296246D patent/GB1296246A/en not_active Expired
- 1970-08-25 NO NO3229/70A patent/NO131936C/no unknown
- 1970-09-04 DE DE2044003A patent/DE2044003C3/de not_active Expired
- 1970-09-10 IT IT53323/70A patent/IT951912B/it active
- 1970-09-11 ES ES383547A patent/ES383547A2/es not_active Expired
- 1970-09-11 SE SE12380/70A patent/SE366050B/xx unknown
- 1970-09-11 NL NL707013493A patent/NL149193B/xx not_active IP Right Cessation
- 1970-09-12 JP JP45079695A patent/JPS492030B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2044003C3 (de) | 1975-04-10 |
| IT951912B (it) | 1973-07-10 |
| ZA705676B (en) | 1971-06-30 |
| ES383547A2 (es) | 1973-01-01 |
| NO131936C (enrdf_load_stackoverflow) | 1975-08-27 |
| DE2044003A1 (de) | 1971-03-25 |
| FR2059767A2 (enrdf_load_stackoverflow) | 1971-06-04 |
| NL7013493A (enrdf_load_stackoverflow) | 1971-03-16 |
| FR2059767B2 (enrdf_load_stackoverflow) | 1973-01-12 |
| BE756029R (fr) | 1971-03-11 |
| DE2044003B2 (de) | 1974-07-25 |
| SE366050B (enrdf_load_stackoverflow) | 1974-04-08 |
| JPS492030B1 (enrdf_load_stackoverflow) | 1974-01-18 |
| GB1296246A (enrdf_load_stackoverflow) | 1972-11-15 |
| NL149193B (nl) | 1976-04-15 |
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