DK174741B1 - Fremgangsmåde til fremstilling af fenolcelleplast med lukkede celler - Google Patents
Fremgangsmåde til fremstilling af fenolcelleplast med lukkede celler Download PDFInfo
- Publication number
- DK174741B1 DK174741B1 DK198804782A DK478288A DK174741B1 DK 174741 B1 DK174741 B1 DK 174741B1 DK 198804782 A DK198804782 A DK 198804782A DK 478288 A DK478288 A DK 478288A DK 174741 B1 DK174741 B1 DK 174741B1
- Authority
- DK
- Denmark
- Prior art keywords
- resin
- phenol
- surfactant
- formaldehyde
- viscosity
- Prior art date
Links
- 239000004033 plastic Substances 0.000 title claims description 54
- 229920003023 plastic Polymers 0.000 title claims description 54
- 230000001413 cellular effect Effects 0.000 title claims description 40
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 25
- 238000002360 preparation method Methods 0.000 title claims description 13
- 229920005989 resin Polymers 0.000 claims description 66
- 239000011347 resin Substances 0.000 claims description 66
- 239000004094 surface-active agent Substances 0.000 claims description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 229920003987 resole Polymers 0.000 claims description 39
- 239000000203 mixture Substances 0.000 claims description 33
- 239000003054 catalyst Substances 0.000 claims description 29
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 27
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 229920001568 phenolic resin Polymers 0.000 claims description 12
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 11
- 239000004202 carbamide Substances 0.000 claims description 11
- 239000004088 foaming agent Substances 0.000 claims description 10
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- -1 polyoxyethylene Polymers 0.000 claims description 6
- 239000003607 modifier Substances 0.000 claims description 5
- 229920005682 EO-PO block copolymer Polymers 0.000 claims description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 230000002209 hydrophobic effect Effects 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 34
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 24
- 239000006260 foam Substances 0.000 description 19
- 239000002253 acid Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- 238000005187 foaming Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 229920002359 Tetronic® Polymers 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 6
- DDMOUSALMHHKOS-UHFFFAOYSA-N 1,2-dichloro-1,1,2,2-tetrafluoroethane Chemical compound FC(F)(Cl)C(F)(F)Cl DDMOUSALMHHKOS-UHFFFAOYSA-N 0.000 description 5
- 229920001400 block copolymer Polymers 0.000 description 5
- 239000000499 gel Substances 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 229920001983 poloxamer Polymers 0.000 description 4
- 229920001992 poloxamer 407 Polymers 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003377 acid catalyst Substances 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 108010093488 His-His-His-His-His-His Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- JLNTWVDSQRNWFU-UHFFFAOYSA-N OOOOOOO Chemical compound OOOOOOO JLNTWVDSQRNWFU-UHFFFAOYSA-N 0.000 description 1
- JWOLLWQJKQOEOL-UHFFFAOYSA-N OOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOO JWOLLWQJKQOEOL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 235000021028 berry Nutrition 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- AEDZKIACDBYJLQ-UHFFFAOYSA-N ethane-1,2-diol;hydrate Chemical compound O.OCCO AEDZKIACDBYJLQ-UHFFFAOYSA-N 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- UHCBBWUQDAVSMS-UHFFFAOYSA-N fluoroethane Chemical compound CCF UHCBBWUQDAVSMS-UHFFFAOYSA-N 0.000 description 1
- 239000004872 foam stabilizing agent Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005303 weighing Methods 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
- C08J9/0061—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
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
-
- 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
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9033987A | 1987-08-28 | 1987-08-28 | |
| US9033987 | 1987-08-28 | ||
| US07/185,386 US4882364A (en) | 1987-08-28 | 1988-04-25 | Process for manufacturing closed cell phenolic foams |
| US18538688 | 1988-04-25 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK478288D0 DK478288D0 (da) | 1988-08-26 |
| DK478288A DK478288A (da) | 1989-03-01 |
| DK174741B1 true DK174741B1 (da) | 2003-10-13 |
Family
ID=26782169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK198804782A DK174741B1 (da) | 1987-08-28 | 1988-08-26 | Fremgangsmåde til fremstilling af fenolcelleplast med lukkede celler |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4882364A (no) |
| EP (1) | EP0305084B1 (no) |
| JP (1) | JP2501626B2 (no) |
| AU (1) | AU604960B2 (no) |
| CA (1) | CA1313289C (no) |
| DE (1) | DE3884526T2 (no) |
| DK (1) | DK174741B1 (no) |
| FI (1) | FI93737C (no) |
| NO (2) | NO172290C (no) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05505634A (ja) * | 1990-03-23 | 1993-08-19 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | ガスバリアー樹脂を含むポリマーフォーム |
| US5516811A (en) * | 1990-03-23 | 1996-05-14 | E. I. Du Pont De Nemours And Company | Polymer foams containing blocking agents |
| EP0527138B2 (en) * | 1990-03-23 | 2000-10-18 | E.I. Du Pont De Nemours And Company | Polymer foams containing blocking agents |
| US5441992A (en) * | 1994-06-09 | 1995-08-15 | Santos; Ruben | Non-CFC foam produced using perfluoroalkanes |
| US5407963A (en) * | 1994-06-09 | 1995-04-18 | Willson; Jennifer | Non-CFC foam produced using blended surfactants |
| KR100501989B1 (ko) * | 1996-10-22 | 2005-07-18 | 오웬스 코닝 | 퍼플루오로화 에테르를 사용한 무-ｃｆｃ 셀형 레졸 발포체의 제조 |
| CA2286751A1 (en) * | 1997-05-02 | 1998-11-12 | Jiffy Foam, Inc. | Method for making a closed-cell phenolic resin foam |
| US5817706A (en) * | 1997-08-27 | 1998-10-06 | Owens Corning Fiberglas Technology, Inc. | Manufacture of non-CFC cellular resol foams using perflurinated ethers |
| US6492432B1 (en) | 1999-11-09 | 2002-12-10 | American Foam Technologies, Inc. | Novolac-epoxy resin foam, foamable composition for making novolac-epoxy resin foam and method of making novolac-epoxy resin foam |
| US20050185806A1 (en) * | 2003-02-14 | 2005-08-25 | Salvador Eduardo T. | Controlling fading and surround signal level |
| JP3932293B2 (ja) * | 2005-09-08 | 2007-06-20 | 旭有機材工業株式会社 | 発泡性レゾール型フェノール樹脂成形材料およびフェノール樹脂発泡体 |
| US7758779B2 (en) * | 2005-12-29 | 2010-07-20 | Graftech International Holdings Inc. | Reinforced resin-derived carbon foam |
| US9120904B2 (en) | 2008-11-07 | 2015-09-01 | Asahi Kasei Contruction Materials Corporation | Expandable phenolic resin composition, phenolic resin foam, and method for producing the phenolic resin foam |
| CA2793827C (en) * | 2010-03-26 | 2015-05-05 | Asahi Kasei Construction Materials Corporation | Phenolic resin foam laminated sheet and method for manufacturing the same |
| JP5894926B2 (ja) * | 2010-10-18 | 2016-03-30 | 旭化成建材株式会社 | フェノール樹脂発泡板 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA839789A (en) * | 1970-04-21 | J. D'alessandro William | Phenolic foams | |
| CA866876A (en) * | 1971-03-23 | Weissenfels Franz | Process for the production of foamed phenolic resins | |
| CA674181A (en) * | 1963-11-12 | D. Nelson John | Cellular phenolic resin | |
| BE518129A (no) * | 1951-09-10 | |||
| US3339361A (en) * | 1965-11-22 | 1967-09-05 | Jefferson Mills Inc | Long spinning frame |
| US3640911A (en) * | 1969-04-04 | 1972-02-08 | Union Carbide Corp | Phenolic foam process |
| US4303758A (en) * | 1976-06-07 | 1981-12-01 | Gusmer Frederick E | Method of preparing closed cell phenol-aldehyde foam and the closed cell foam thus prepared |
| JPS5327298A (en) * | 1976-08-25 | 1978-03-14 | Kogyo Gijutsuin | Master hand for artificial hand end |
| US4216295A (en) * | 1976-12-20 | 1980-08-05 | Monsanto Company | Foamable resole resin composition |
| CA1113649A (en) * | 1978-03-14 | 1981-12-01 | Leonid V. Volodko | Method for producing phenol foam plastic |
| US4345061A (en) * | 1978-12-27 | 1982-08-17 | C.P. Chemical Co., Inc. | Process for the preparation of phenol-urea-formaldehyde condensation products |
| US4412014A (en) * | 1980-01-21 | 1983-10-25 | The Celotex Corporation | Extraction of polyoxyalkylene surfactants for phenolic foam stabilization |
| US4563499A (en) * | 1980-01-21 | 1986-01-07 | The Celotex Corporation | Extraction of polyoxyalkylene surfactants for phenolic foam stabilization |
| AU545460B2 (en) * | 1981-05-20 | 1985-07-18 | Monsanto Company | Phenolic foams |
| US4478958A (en) * | 1981-07-10 | 1984-10-23 | Kopper Company, Inc. | Method for preparing phenolic foams using anhydrous aryl sulfonic acid catalysts |
| US4444912A (en) * | 1981-07-10 | 1984-04-24 | Koppers Company, Inc. | Phenolic foam and composition and method for preparing the same |
| US4530939A (en) * | 1982-02-11 | 1985-07-23 | The Dow Chemical Company | Low K-factor closed cell phenol-aldehyde foam and process for preparation thereof |
| US4525492A (en) * | 1982-06-04 | 1985-06-25 | Fiberglas Canada Inc. | Modified phenolic foams |
| FI73445C (fi) * | 1982-07-09 | 1987-10-09 | Koppers Co Inc | Fenolformaldehydresoler foer framstaellning av fenolskum. |
| FI80896C (fi) * | 1984-05-25 | 1990-08-10 | Bp Chem Int Ltd | Foerfarande foer framstaellning av fenolskum. |
| CA1238149A (en) * | 1984-10-30 | 1988-06-14 | Jacynthe Cote | Closed cell phenolic foams |
| 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 |
| CA1281701C (en) * | 1986-04-18 | 1991-03-19 | Paul J. Meunier | Modified phenolic foam catalysts and method |
-
1988
- 1988-04-25 US US07/185,386 patent/US4882364A/en not_active Expired - Lifetime
- 1988-07-12 CA CA000571782A patent/CA1313289C/en not_active Expired - Lifetime
- 1988-08-11 DE DE88307428T patent/DE3884526T2/de not_active Expired - Lifetime
- 1988-08-11 EP EP88307428A patent/EP0305084B1/en not_active Expired - Lifetime
- 1988-08-23 AU AU21431/88A patent/AU604960B2/en not_active Expired
- 1988-08-25 NO NO883803A patent/NO172290C/no not_active IP Right Cessation
- 1988-08-25 NO NO883804A patent/NO883804D0/no unknown
- 1988-08-26 DK DK198804782A patent/DK174741B1/da active
- 1988-08-26 JP JP63210883A patent/JP2501626B2/ja not_active Expired - Lifetime
- 1988-08-26 FI FI883958A patent/FI93737C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2501626B2 (ja) | 1996-05-29 |
| FI883958A (fi) | 1989-03-01 |
| DE3884526T2 (de) | 1994-04-21 |
| DE3884526D1 (de) | 1993-11-04 |
| FI93737C (fi) | 1995-05-26 |
| AU2143188A (en) | 1989-03-02 |
| DK478288A (da) | 1989-03-01 |
| NO883803D0 (no) | 1988-08-25 |
| FI883958A0 (fi) | 1988-08-26 |
| NO883803L (no) | 1989-03-01 |
| EP0305084A2 (en) | 1989-03-01 |
| NO172290C (no) | 1993-06-30 |
| EP0305084A3 (en) | 1989-11-08 |
| EP0305084B1 (en) | 1993-09-29 |
| NO172290B (no) | 1993-03-22 |
| FI93737B (fi) | 1995-02-15 |
| NO883804D0 (no) | 1988-08-25 |
| CA1313289C (en) | 1993-01-26 |
| US4882364A (en) | 1989-11-21 |
| AU604960B2 (en) | 1991-01-03 |
| DK478288D0 (da) | 1988-08-26 |
| JPH01138244A (ja) | 1989-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DK174741B1 (da) | Fremgangsmåde til fremstilling af fenolcelleplast med lukkede celler | |
| CN112961488B (zh) | 用于制备热塑性弹性体泡沫和发泡物品的工艺 | |
| MXPA97003640A (en) | Procedure for making flexible foams | |
| JP2014518299A (ja) | エーロゲル粒子を含有する有機フォーム複合物を製造するための方法 | |
| CA1211266A (en) | Shaped semi-solid articles | |
| US4061701A (en) | Manufacture of soft and resilient foams | |
| US4956394A (en) | Closed cell phenolic foam containing alkyl glucosides | |
| US5817703A (en) | Rebond foam and process for production thereof | |
| US4201846A (en) | Dimensionally stable polyurethane foam | |
| JPH03275741A (ja) | 吸収性ポリウレタンフォームの製造法 | |
| EP0745627B1 (en) | A process for preparing open-cellular polyurethane modified polyisocyanurate foam | |
| NO833023L (no) | Baeremedium for immobiliserte mikroorganismer | |
| CN114258409A (zh) | 软质聚氨酯泡沫的制备方法 | |
| US4623673A (en) | Urethane-modified polyisocyanurate rigid foam | |
| US5139713A (en) | Method of preparing urethane foam articles | |
| DK173250B1 (da) | Fremgangsmåde til fremstilling af et phenolskummateriale med lukkede celler, og modificeret phenolskumkatalysator | |
| JPH03203921A (ja) | 吸水性ポリウレタンフオーム及び蓄冷材 | |
| JPH0144731B2 (no) | ||
| CZ266499A3 (cs) | Nové polyoly a jejich použití pro přípravu polyurethanů | |
| CN109422916B (zh) | 包含仲胺盐和乙醇胺盐的发泡剂及用于聚氨酯间歇板泡沫体材料的用途 | |
| PL189498B1 (pl) | Sposób otrzymywania kompozytowych materiałów porowatych opartych o poliuretany | |
| JPH0739500B2 (ja) | ポリプロピレン系樹脂予備発泡粒子 | |
| JP2892210B2 (ja) | 軽度に架橋した直鎖状低密度ポリエチレン予備発泡粒子およびその製法 | |
| JPS6151021A (ja) | 連通気泡を有する硬質ウレタンフオ−ム | |
| CN117794989A (zh) | 酚醛树脂发泡体 |