GB1071360A - Improvements in and relating to phenol-formaldehyde resins and aqueous emulsions thereof - Google Patents
Improvements in and relating to phenol-formaldehyde resins and aqueous emulsions thereofInfo
- Publication number
- GB1071360A GB1071360A GB42718/64A GB4271864A GB1071360A GB 1071360 A GB1071360 A GB 1071360A GB 42718/64 A GB42718/64 A GB 42718/64A GB 4271864 A GB4271864 A GB 4271864A GB 1071360 A GB1071360 A GB 1071360A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phenol
- oleamide
- formaldehyde
- resin
- added
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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
- C08G14/00—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00
- C08G14/02—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes
- C08G14/04—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes with phenols
- C08G14/06—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes with phenols and monomers containing hydrogen attached to nitrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
- Paper (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
A phenol-formaldehyde resin or an aqueous emulsion of a low molecular weight phenolformaldehyde condensate precursor thereof includes oleamide as a softener for the resin. The emulsion may be prepared by adding oleamide to a mixture of the phenol and formaldehyde (or compound generating formaldehyde in the reaction, e.g. paraformaldehyde) in water in the presence of a base, then reacting these at a temperature between room temperature and the reflux point until a suitable product is obtained, after which the pH may be brought to 2.5-5.0 by adding an acid. 10-35 gms. of oleamide may be added per mole of the phenol. Suitable phenols are phenol itself, the cresols and the xylenols, and the preferred molar ratio of formaldehyde to phenol, although excess is used, is not more than 1.5:1, giving a product in which the ratio is at least 1.2:1. The base may be Ba(OH)2, Ca(OH)2, or a quarternary ammonium base, and is preferably a tertiary amine. The acid may be boric or metacresotinic or aminosulphonic or an ammonium salt of these. Further phenol may be added after the acidification. The emulsion preferably contains 20-40 ml. of water per mol of phenol, and may be used to impregnate hard paper or a textile or other fibrous material. In examples oleamide is added to a refluxing aqueous solution of phenol and paraformaldehyde and triethylamine. After cooling ammonium sulphanilate or aminosulphonic acid is added, with or without further phenol or nonylphenol. The resin mixtures are then used to impregnate sheets of paper.ALSO:Fibrous bases, i.e. paper, may be impregnated with a phenol-formaldehyde resin or aqueous emulsion thereof which includes oleamide as a softener for the resin.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL299534 | 1963-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1071360A true GB1071360A (en) | 1967-06-07 |
Family
ID=19755150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB42718/64A Expired GB1071360A (en) | 1963-10-21 | 1964-10-20 | Improvements in and relating to phenol-formaldehyde resins and aqueous emulsions thereof |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3355407A (en) |
| DE (1) | DE1595038C3 (en) |
| GB (1) | GB1071360A (en) |
| NL (2) | NL137347C (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2869195A (en) * | 1956-09-26 | 1959-01-20 | Dow Chemical Co | Shell molding composition containing fatty alkylol amide condensate, inert filler and a phenolic resin and method of making mold |
-
0
- NL NL299534D patent/NL299534A/xx unknown
- NL NL137347D patent/NL137347C/xx active
-
1964
- 1964-10-14 US US403906A patent/US3355407A/en not_active Expired - Lifetime
- 1964-10-16 DE DE1595038A patent/DE1595038C3/en not_active Expired
- 1964-10-20 GB GB42718/64A patent/GB1071360A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL137347C (en) | |
| US3355407A (en) | 1967-11-28 |
| NL299534A (en) | |
| DE1595038A1 (en) | 1970-12-23 |
| DE1595038B2 (en) | 1973-03-15 |
| DE1595038C3 (en) | 1973-10-11 |
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