NO154092B - Fremgangsmaate til fremstilling av fenolformaldehydskumplast - Google Patents
Fremgangsmaate til fremstilling av fenolformaldehydskumplast Download PDFInfo
- Publication number
- NO154092B NO154092B NO781409A NO781409A NO154092B NO 154092 B NO154092 B NO 154092B NO 781409 A NO781409 A NO 781409A NO 781409 A NO781409 A NO 781409A NO 154092 B NO154092 B NO 154092B
- Authority
- NO
- Norway
- Prior art keywords
- phase
- resol
- weight
- novolak
- phenol
- Prior art date
Links
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 11
- 238000002360 preparation method Methods 0.000 title description 4
- 229920003986 novolac Polymers 0.000 claims description 56
- 229920003987 resole Polymers 0.000 claims description 51
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 39
- 239000000203 mixture Substances 0.000 claims description 37
- 229920005989 resin Polymers 0.000 claims description 19
- 239000011347 resin Substances 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 9
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 claims description 8
- 239000004604 Blowing Agent Substances 0.000 claims description 8
- WHOZNOZYMBRCBL-OUKQBFOZSA-N (2E)-2-Tetradecenal Chemical compound CCCCCCCCCCC\C=C\C=O WHOZNOZYMBRCBL-OUKQBFOZSA-N 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 7
- 229940044654 phenolsulfonic acid Drugs 0.000 claims description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000003377 acid catalyst Substances 0.000 claims description 5
- 238000006068 polycondensation reaction Methods 0.000 claims description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 claims description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims 1
- 239000006260 foam Substances 0.000 description 16
- 235000019256 formaldehyde Nutrition 0.000 description 16
- 229960004279 formaldehyde Drugs 0.000 description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000009835 boiling Methods 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- GEVPUGOOGXGPIO-UHFFFAOYSA-N oxalic acid;dihydrate Chemical compound O.O.OC(=O)C(O)=O GEVPUGOOGXGPIO-UHFFFAOYSA-N 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
-
- 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
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/10—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- 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
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- 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
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
- C08J2361/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with monohydric phenols
- C08J2361/10—Phenol-formaldehyde condensates
-
- 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
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2461/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- 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
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2461/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
- C08J2461/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with monohydric phenols
- C08J2461/10—Phenol-formaldehyde condensates
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Stereophonic System (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7712559A FR2388849A1 (fr) | 1977-04-26 | 1977-04-26 | Nouveau procede de preparation des mousses formophenoliques et produits obtenus |
| FR7715109A FR2391241A1 (fr) | 1977-05-17 | 1977-05-17 | Nouveau procede pour la preparation de mousses formo-phenoliques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO781409L NO781409L (no) | 1978-10-27 |
| NO154092B true NO154092B (no) | 1986-04-07 |
Family
ID=26219981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO781409A NO154092B (no) | 1977-04-26 | 1978-04-24 | Fremgangsmaate til fremstilling av fenolformaldehydskumplast |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4252908A (de) |
| JP (1) | JPS53133271A (de) |
| BR (1) | BR7802559A (de) |
| CA (1) | CA1105649A (de) |
| DE (1) | DE2818287A1 (de) |
| DK (1) | DK179778A (de) |
| FI (1) | FI63768C (de) |
| GB (1) | GB1600455A (de) |
| IT (1) | IT1156984B (de) |
| LU (1) | LU79501A1 (de) |
| NL (1) | NL7804475A (de) |
| NO (1) | NO154092B (de) |
| SE (1) | SE439640B (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2484529B2 (fr) * | 1979-05-28 | 1986-04-18 | Weber Marie L | Procede de stabilisation de voies et de tailles dans les mines a charbon, par injection de resine ininflammable a forte expansion et a prise rapide, et resine utilisee |
| US4423163A (en) * | 1980-10-09 | 1983-12-27 | Koppers Company, Inc. | Method of producing phenolic foam using pressure and foam produced by the method |
| US4478958A (en) * | 1981-07-10 | 1984-10-23 | Kopper Company, Inc. | Method for preparing phenolic foams using anhydrous aryl sulfonic acid catalysts |
| US4525492A (en) * | 1982-06-04 | 1985-06-25 | Fiberglas Canada Inc. | Modified phenolic foams |
| US4539338A (en) * | 1982-07-09 | 1985-09-03 | Koppers Company, Inc. | Phenol formaldehyde resoles for making phenolic foam |
| US4546119A (en) * | 1984-11-29 | 1985-10-08 | Fiberglas Canada, Inc. | Closed cell phenolic foam |
| US4576972A (en) * | 1984-11-29 | 1986-03-18 | Fiberglas Canada, Inc. | Closed cell phenolic foam |
| JPS61246237A (ja) * | 1985-04-25 | 1986-11-01 | Sumitomo Deyurezu Kk | フェノ−ル樹脂複合発泡体の製造方法 |
| PL324990A1 (en) * | 1996-06-21 | 1998-07-06 | Gn Pi Di Luigi Granieri E Figl | Environment-friendly foaming agent for polyurethane resins, in particular for use in production of rigid polyurethane foam articles |
| AU7912000A (en) * | 1999-10-20 | 2001-04-30 | Kingspan Industrial Insulation Limited | Cellular plastic material based on phenolic resin |
| US8840820B2 (en) * | 2009-03-26 | 2014-09-23 | Weyerhaeuser Nr Company | Foamed binder and associated systems and methods for producing a wood product |
| EP3861059A1 (de) | 2018-10-01 | 2021-08-11 | Hexion GmbH | Zusammensetzung zur herstellung von schaumstoffen |
| CN111410815A (zh) * | 2020-05-18 | 2020-07-14 | 江阴市威腾铝箔合成材料有限公司 | 一种改性酚醛树脂泡沫材料 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3872033A (en) * | 1970-03-13 | 1975-03-18 | Fibreglass Ltd | Foamed reaction product of a resale with a sulfonated novolac |
| BE786953A (fr) * | 1971-07-30 | 1973-01-29 | Pilkington Brothers Ltd | Novolaques sulfonees et produits expanses. |
| SU548037A1 (ru) * | 1973-10-08 | 1984-05-15 | Предприятие П/Я Г-4059 | Композици дл получени пенопласта |
-
1978
- 1978-04-21 CA CA301,744A patent/CA1105649A/en not_active Expired
- 1978-04-24 NO NO781409A patent/NO154092B/no unknown
- 1978-04-24 FI FI781261A patent/FI63768C/fi not_active IP Right Cessation
- 1978-04-24 LU LU79501A patent/LU79501A1/xx unknown
- 1978-04-24 IT IT67929/78A patent/IT1156984B/it active
- 1978-04-24 GB GB16112/78A patent/GB1600455A/en not_active Expired
- 1978-04-25 DK DK179778A patent/DK179778A/da not_active Application Discontinuation
- 1978-04-25 SE SE7804711A patent/SE439640B/sv unknown
- 1978-04-25 BR BR7802559A patent/BR7802559A/pt unknown
- 1978-04-26 NL NL7804475A patent/NL7804475A/xx not_active Application Discontinuation
- 1978-04-26 DE DE19782818287 patent/DE2818287A1/de not_active Withdrawn
- 1978-04-26 JP JP4971178A patent/JPS53133271A/ja active Pending
-
1979
- 1979-05-21 US US06/041,073 patent/US4252908A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| SE7804711L (sv) | 1978-10-27 |
| DE2818287A1 (de) | 1978-11-02 |
| DK179778A (da) | 1978-11-15 |
| LU79501A1 (fr) | 1978-09-29 |
| BR7802559A (pt) | 1978-12-05 |
| US4252908A (en) | 1981-02-24 |
| FI63768B (fi) | 1983-04-29 |
| FI781261A (fi) | 1978-10-27 |
| NO781409L (no) | 1978-10-27 |
| CA1105649A (en) | 1981-07-21 |
| SE439640B (sv) | 1985-06-24 |
| IT7867929A0 (it) | 1978-04-24 |
| GB1600455A (en) | 1981-10-14 |
| FI63768C (fi) | 1983-08-10 |
| IT1156984B (it) | 1987-02-04 |
| NL7804475A (nl) | 1978-10-30 |
| JPS53133271A (en) | 1978-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO154092B (no) | Fremgangsmaate til fremstilling av fenolformaldehydskumplast | |
| CA1085999A (en) | Method of preparing closed cell phenol-aldehyde foam and the closed cell foam thus prepared | |
| EP0382561A2 (de) | Halbflexible oder flexible Harzzusammensetzung | |
| US4165413A (en) | Process for producing phenolic foams with a uniform appearance | |
| JPS6150090B2 (de) | ||
| WO2008033685A1 (en) | Phenol-formaldehyde resin having low concentration of tetradimer | |
| US4192923A (en) | Amino resin foam, one-phase solution foam precursor and method of producing foam | |
| CA1238149A (en) | Closed cell phenolic foams | |
| NO172290B (no) | Fremgangsmaate for fremstilling av fenoliske skum med lukkede celler | |
| US2385373A (en) | Method of producing a resin and product derived therefrom | |
| CA2107345A1 (en) | Improved phenol formaldehyde resins | |
| US2806006A (en) | Phenol-formaldehyde resin and its method of preparation | |
| NO165302B (no) | Fremgangsmaate for fremstilling av fenolskum. | |
| US5010164A (en) | Process for forming urea-formaldehyde resin and use | |
| EP0242620B1 (de) | Modifizierte Katalysatoren für phenolische Schaumstoffe und Verfahren | |
| CA1107898A (en) | Foamable resole resin composition | |
| US4883824A (en) | Modified phenolic foam catalysts and method | |
| CA1117700A (en) | Process for producing phenolic foams with a uniform appearance | |
| NO772995L (no) | Surt middel og fremgangsmaate til dets fremstilling | |
| EP0229877B1 (de) | Treibmittel für Phenolharze | |
| US4945077A (en) | Modified phenolic foam catalysts and method | |
| KR810001879B1 (ko) | 페놀-포름알데히드 발포체의 제조방법 | |
| US4168370A (en) | Process for manufacture of amino formaldehyde resin | |
| US4370444A (en) | Concentrated aqueous solution of phenol and formaldehyde stable at low temperature process for preparing same | |
| AU736731B2 (en) | Phenol formaldehyde resins |