GB401309A - New coating compositions - Google Patents
New coating compositionsInfo
- Publication number
- GB401309A GB401309A GB1332032A GB1332032A GB401309A GB 401309 A GB401309 A GB 401309A GB 1332032 A GB1332032 A GB 1332032A GB 1332032 A GB1332032 A GB 1332032A GB 401309 A GB401309 A GB 401309A
- Authority
- GB
- United Kingdom
- Prior art keywords
- formaldehyde
- hydrochloric acid
- dihydroxy
- cresol
- condensation product
- 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
- 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
- C08G8/20—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with polyhydric phenols
-
- 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
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)
Abstract
Coating-compositions are prepared by dissolving in a drying or semi-drying oil such as tung oil a condensation product in an acid medium of formaldehyde or other compound containing a reactive methylene group with a binuclear dihydric phenol derived from o-cresol and ketones or aldehydes other than formaldehyde. Suitable phenols are those obtained by the interaction of o-cresol with acetaldehyde, butylaldehyde, benzaldehyde, acetone and cyclohexanone. Thinners such as turpentine or mineral spirits, driers such as the resinates, linoleates or acetates of manganese, lead and cobalt, pigments, resins, and other ingredients, may be added to the compositions. In examples: (1) the condensation product of a -a -4 : 4<1>-dihydroxy - 3 - 3<1> - dimethyldiphenylcyclohexane and formaldehyde prepared in the presence of methylated spirits and hydrochloric acid is heated with tung oil to obtain a varnish. (2) a - a - 4 : 4<1> - dihydroxy - 3 - 3<1> - dimethyldiphenylbutane replaces the corresponding cyclohexane derivative used in example (1) and the condensation product is also soluble in linseed, perilla and soya bean oils. The condensation product of b - b <1>-4-4<1>-dihydroxy-3-3<1\h dimethyldiphenylpropane > and formaldehyde prepared in the presence of methylated spirits and hydrochloric acid is soluble in varnish oils. The oily residue obtained by treating o-cresol with acetaldehyde in the presence of hydrochloric acid is condensed with formaldehyde in the presence of hydrochloric acid and worked up into a varnish as in example (2). The Provisional Specification also refers separately to the production of the condensation product and its solution in oils and to the condensation in neutral medium.ALSO:A binuclear dihydric phenol derived from o-cresol and ketones such as acetone or cyclohexanone or aldehydes other than formaldehyde such as acetaldehyde, butylaldehyde or benzaldehyde is condensed with formaldehyde or a compound containing a reactive methylene group in an acid medium and the product is dissolved in a drying oil to yield a coating composition. In examples a -a -4 : 4<1>-dihydroxy-3 : 3<1>-dimethyldiphenylcyclohexane, a - a - 4 : 4<1> - dihydroxy-3 : 3<1>-dimethyldiphenylbutane or b -b -4 : 4<1>-dihydroxy - 3 : 3<1>-dimethyldiphenylpropane is condensed with formaldehyde in the presence of methylated spirits and hydrochloric acid and the initial condensation product of o-cresol and acetaldehyde in the presence of hydrochloric acid is condensed with formaldehyde in the presence of hydrochloric acid. The Provisional Specification also refers separately to the production of the condensation products and their solution in oils and to the use of a neutral medium for condensation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1332032A GB401309A (en) | 1932-05-09 | 1932-05-09 | New coating compositions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1332032A GB401309A (en) | 1932-05-09 | 1932-05-09 | New coating compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB401309A true GB401309A (en) | 1933-11-09 |
Family
ID=10020807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1332032A Expired GB401309A (en) | 1932-05-09 | 1932-05-09 | New coating compositions |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB401309A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2985600A (en) * | 1957-08-22 | 1961-05-23 | American Marietta Co | Polymeric sanitary coating system |
-
1932
- 1932-05-09 GB GB1332032A patent/GB401309A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2985600A (en) * | 1957-08-22 | 1961-05-23 | American Marietta Co | Polymeric sanitary coating system |
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