GB727819A - Improvements in the production of hard, elastic waxes with low shrinkage - Google Patents
Improvements in the production of hard, elastic waxes with low shrinkageInfo
- Publication number
- GB727819A GB727819A GB23219/52A GB2321952A GB727819A GB 727819 A GB727819 A GB 727819A GB 23219/52 A GB23219/52 A GB 23219/52A GB 2321952 A GB2321952 A GB 2321952A GB 727819 A GB727819 A GB 727819A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mixture
- acid
- derived
- ester
- wax
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A hard elastic wax is made by mixing (1) an ester which has a hydroxyl number of at least 40 and is derived from a high molecular weight fatty acid and a trihydric or higher polyhydric alcohol with (2) a natural or synthetic resin which has a hydroxyl or acid number and heating the mixture with (3) a di- or poly-isocyanate. Before, during or after the reaction with the polyisocyanate an amide derived from a high molecular weight fatty acid and an aliphatic, cycloaliphatic or aromatic mono-, di- or polyamine or hydroxyamine may be added. The Specification exemplifies a large number of suitable fatty acids, polyhydric alcohols and amines. In example (1) a mixture of the ester of trimethylol propane and an acid mixture derived from oxidizing montan wax, colophony and hexamtehylene diisocyanate is heated to 170-180 DEG C. (2) A mixture of the ester of pentaerythritol and montan wax acids, the glycerine ester of colophony, and toluylene diisocyanate is heated. (3) A mixture of the product of example (2), the amide from cyclohexylamine and a fatty acid derived from the oxidation of paraffin wax, and the diamide from 4.41-diamino-bis-cyclohexylmethane and linoleic acid is heated to about 150 DEG C. A dyestuff may be added to the wax. (4) The product of example (1) is fused with the anilide of rape seed oil acid.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE326564X | 1951-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB727819A true GB727819A (en) | 1955-04-06 |
Family
ID=6184067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23219/52A Expired GB727819A (en) | 1951-09-29 | 1952-09-16 | Improvements in the production of hard, elastic waxes with low shrinkage |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE512287A (en) |
| CH (2) | CH329739A (en) |
| GB (1) | GB727819A (en) |
-
0
- BE BE512287D patent/BE512287A/xx unknown
-
1952
- 1952-06-05 CH CH329739D patent/CH329739A/en unknown
- 1952-06-05 CH CH326564D patent/CH326564A/en unknown
- 1952-09-16 GB GB23219/52A patent/GB727819A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE512287A (en) | |
| CH326564A (en) | 1957-12-31 |
| CH329739A (en) | 1958-05-15 |
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