GB967306A - Process for the preparation of water-soluble alkyd resins - Google Patents
Process for the preparation of water-soluble alkyd resinsInfo
- Publication number
- GB967306A GB967306A GB1631563A GB1631563A GB967306A GB 967306 A GB967306 A GB 967306A GB 1631563 A GB1631563 A GB 1631563A GB 1631563 A GB1631563 A GB 1631563A GB 967306 A GB967306 A GB 967306A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- carboxyl
- preparation
- reaction mixture
- compounds
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/46—Polyesters chemically modified by esterification
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/40—Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof
- C08G63/42—Cyclic ethers; Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Polyesters Or Polycarbonates (AREA)
- Epoxy Resins (AREA)
Abstract
A process for the preparation of a water-soluble alkyd resin comprises reacting at a temperature of from 160 to 260 DEG C. a polycarboxylic acid or anhydride thereof with an ester of an aliphatic monocarboxylic acid containing at least two free hydroxyl groups or at least one epoxy group on the alcoholic part of the molecule, the carboxyl group in the monocarboxylic acid being attached directly to a tertiary or quaternary carbon atom; characterised in that at least 30% of the actual and potential carboxyl groups included in the reaction mixture form part of at least tribasic carboxylic acids or anhydrast thereof, and in that the total number of molecules of hydroxyl, carboxyl, epoxy and/or ester compounds in the reaction mixture together with the number of molecules of carboxyl compounds that could be formed by hydrolysis of potential carboxyl groups present is 0.9 to 1.5 times as large as the total number of actual and potential carboxyl groups, and in that the reaction is interrupted when the acid number has fallen to a value between 100 and 20. Polyhydroxy compounds and mono- and di-carboxylic acids may also be present in the reaction mixture. The examples disclose the preparation of alkyds from glycidyl esters of branched monocarboxylic acids (C9-C11)and:- (I) pyromellitic acid, glycerol and methylene glycol; (II) and (III) trimellitic anhydride, adipic acid and propylene glycol and (IV) and (V) pyromellitic acid, dipropylene glycol and glycerol.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL277771 | 1962-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB967306A true GB967306A (en) | 1964-08-19 |
Family
ID=29707791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1631563A Expired GB967306A (en) | 1962-04-27 | 1963-04-25 | Process for the preparation of water-soluble alkyd resins |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE631513A (en) |
| DE (1) | DE1520807A1 (en) |
| FR (1) | FR1361593A (en) |
| GB (1) | GB967306A (en) |
| NL (1) | NL277771A (en) |
-
0
- NL NL277771D patent/NL277771A/xx unknown
-
1963
- 1963-04-25 BE BE631513D patent/BE631513A/xx unknown
- 1963-04-25 GB GB1631563A patent/GB967306A/en not_active Expired
- 1963-04-25 DE DE19631520807 patent/DE1520807A1/en active Pending
- 1963-04-26 FR FR932808A patent/FR1361593A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL277771A (en) | |
| FR1361593A (en) | 1964-05-22 |
| BE631513A (en) | 1963-11-18 |
| DE1520807A1 (en) | 1969-11-20 |
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