IL40360A - A process of preparing polyfuran foams - Google Patents
A process of preparing polyfuran foamsInfo
- Publication number
- IL40360A IL40360A IL40360A IL4036072A IL40360A IL 40360 A IL40360 A IL 40360A IL 40360 A IL40360 A IL 40360A IL 4036072 A IL4036072 A IL 4036072A IL 40360 A IL40360 A IL 40360A
- Authority
- IL
- Israel
- Prior art keywords
- furfuryl alcohol
- starting material
- furfuryl
- polyalcohols
- alternatively
- Prior art date
Links
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
- C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
-
- 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
- C08G16/00—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00
- C08G16/02—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00 of aldehydes
- C08G16/025—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00 of aldehydes with heterocyclic organic compounds
- C08G16/0256—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00 of aldehydes with heterocyclic organic compounds containing oxygen in the ring
- C08G16/0262—Furfuryl alcohol
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/36—Furfuryl alcohol
-
- 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
- C08J9/0066—Use of inorganic compounding ingredients
-
- 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
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)
- Inorganic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Polyethers (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Fats And Perfumes (AREA)
- External Artificial Organs (AREA)
Claims (4)
1. A process of preparing polyfuran foams by polymerising, alternatively copolymerizing furfuryl alcoho if desired in combination with prepolymers, alternatively precopolyiners of furfuryl alcohol in the presence of a •strong acid in the liquid state, c h a r a c t e r i z e d i n using a starting material in which at least 50%' of th hydroxy groups present in the furfuryl alcohol prepolymer mixture originate from the free furfuryl alcohol, wherein the reaction is carried out in the presence of an acidic compound or a mixture of acidic compounds having a pKa value in water from 1.to 4, if desired dispersed uniformly in mono- or- polyalcohols , including polyether- polyalcohols, that do not polymerize in the presence of the acidic compound used, alternatively an acidic compound or a mixture of acidic compounds having a pKa value i • dispersed · · '·"· water of less than 1., dr4fl½54.-¾u4red- uniformly in said mono- · " or polyalcohols. . • . * · . • J
2. A process according to claim 1 , c h a r a c t e. r i n# using a starting material, in which at least 75% of t hydroxy groups present in the furfuryl alco'hol prepolymer mixture originate from free furfuryl alcohol. .
3. A process according to claim 1 or 2, · c h a r a c t e r i z e d' i n using a starting material containing at least 6% of an oxy-acid of phosphorus calculated on the total weight of the polymer and furfuryl alcohol used. · * - ·*'
4. A process according to claims 1-3» · c h a r a c t e r i z e d i n using a starting material containing at least 6% of orthophosphoric 'acid. 40360/2
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4303371A GB1408873A (en) | 1971-09-15 | 1971-09-15 | Process of preparing polyfuran foams |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL40360A0 IL40360A0 (en) | 1972-11-28 |
| IL40360A true IL40360A (en) | 1976-03-31 |
Family
ID=10427039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL40360A IL40360A (en) | 1971-09-15 | 1972-09-14 | A process of preparing polyfuran foams |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS56453B2 (en) |
| AR (1) | AR195564A1 (en) |
| AU (1) | AU471914B2 (en) |
| BE (1) | BE788888A (en) |
| BR (1) | BR7206431D0 (en) |
| CA (1) | CA995398A (en) |
| DE (1) | DE2245389C2 (en) |
| ES (1) | ES406677A1 (en) |
| FR (1) | FR2152956B1 (en) |
| GB (1) | GB1408873A (en) |
| IL (1) | IL40360A (en) |
| IT (1) | IT968329B (en) |
| LU (1) | LU66101A1 (en) |
| NL (1) | NL7212271A (en) |
| NO (1) | NO142528C (en) |
| SU (1) | SU508216A3 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA786049B (en) * | 1977-10-26 | 1980-09-24 | W Cromer | Molded bodies based on furan resins in compact or foamed form,process for their production and their use |
| DE3412104A1 (en) * | 1984-03-31 | 1985-10-10 | Rütgerswerke AG, 6000 Frankfurt | BINDERS BASED ON FURFURYL ALCOHOL, METHOD FOR THE PRODUCTION AND USE THEREOF |
| JP5658884B2 (en) | 2010-02-01 | 2015-01-28 | 旭有機材工業株式会社 | Method for producing spherical furfuryl alcohol resin particles, spherical furfuryl alcohol resin particles obtained thereby, and spherical carbon particles and spherical activated carbon particles obtained using the same |
| JP5752451B2 (en) * | 2011-03-17 | 2015-07-22 | 旭有機材工業株式会社 | Method for producing spherical furfuryl alcohol resin particles |
| ITTO20110656A1 (en) * | 2011-07-21 | 2013-01-22 | Silvachimica S R L | COMPOSITION FOR THE MANUFACTURE OF AN EXPANDED TANNIN MATERIAL, EXPANDED MATERIAL THAT CAN BE OBTAINED, AND ITS A MANUFACTURING PROCEDURE. |
| DE102011118821B4 (en) * | 2011-11-18 | 2014-09-18 | Momentive Specialty Chemicals Gmbh | Process for the preparation of a foam based on phenolic resins and the use of the foam produced by this process |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3390107A (en) * | 1965-06-24 | 1968-06-25 | Internat Pipe & Ceramics Corp | Process for preparing a cellular furan resin and product obtained therefrom |
-
1971
- 1971-09-15 GB GB4303371A patent/GB1408873A/en not_active Expired
-
1972
- 1972-08-31 AR AR243856A patent/AR195564A1/en active
- 1972-09-08 NL NL7212271A patent/NL7212271A/xx not_active Application Discontinuation
- 1972-09-11 IT IT69876/72A patent/IT968329B/en active
- 1972-09-12 AU AU46555/72A patent/AU471914B2/en not_active Expired
- 1972-09-14 NO NO723273A patent/NO142528C/en unknown
- 1972-09-14 SU SU1828277A patent/SU508216A3/en active
- 1972-09-14 ES ES406677A patent/ES406677A1/en not_active Expired
- 1972-09-14 JP JP9182272A patent/JPS56453B2/ja not_active Expired
- 1972-09-14 FR FR7232570A patent/FR2152956B1/fr not_active Expired
- 1972-09-14 IL IL40360A patent/IL40360A/en unknown
- 1972-09-15 DE DE2245389A patent/DE2245389C2/en not_active Expired
- 1972-09-15 LU LU66101A patent/LU66101A1/xx unknown
- 1972-09-15 BR BR006431/72A patent/BR7206431D0/en unknown
- 1972-09-15 BE BE788888D patent/BE788888A/en unknown
- 1972-09-15 CA CA151,842A patent/CA995398A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7212271A (en) | 1973-03-19 |
| ES406677A1 (en) | 1975-10-16 |
| JPS56453B2 (en) | 1981-01-08 |
| SU508216A3 (en) | 1976-03-25 |
| BR7206431D0 (en) | 1973-08-30 |
| IT968329B (en) | 1974-03-20 |
| FR2152956B1 (en) | 1978-09-08 |
| LU66101A1 (en) | 1973-01-17 |
| CA995398A (en) | 1976-08-17 |
| FR2152956A1 (en) | 1973-04-27 |
| AU471914B2 (en) | 1976-05-06 |
| JPS4838362A (en) | 1973-06-06 |
| IL40360A0 (en) | 1972-11-28 |
| NO142528B (en) | 1980-05-27 |
| AR195564A1 (en) | 1973-10-23 |
| AU4655572A (en) | 1974-03-21 |
| DE2245389C2 (en) | 1982-11-18 |
| GB1408873A (en) | 1975-10-08 |
| BE788888A (en) | 1973-03-15 |
| NO142528C (en) | 1980-09-03 |
| DE2245389A1 (en) | 1973-03-22 |
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