GB732823A - Improvements in synthetic resinous compositions - Google Patents
Improvements in synthetic resinous compositionsInfo
- Publication number
- GB732823A GB732823A GB32449/53A GB3244953A GB732823A GB 732823 A GB732823 A GB 732823A GB 32449/53 A GB32449/53 A GB 32449/53A GB 3244953 A GB3244953 A GB 3244953A GB 732823 A GB732823 A GB 732823A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- molecular weight
- dipropylene glycol
- synthetic resinous
- resinous compositions
- 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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/06—Unsaturated polyesters
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
A polymerizable composition comprises (1) dipropylene glycol maleate of molecular weight 2000 to 4000; (2) propylene glycol adipate molecular weight 8000 to 10,000; and (3) sufficient styrene, usually 30 to 60 per cent, to form a solution. A minor amount, e.g. from 5 to 15 per cent based on (2), of a vinyl chloridevinyl acetate copolymer is preferably included. The dipropylene glycol used in the manufacture of (1) may be replaced by up to about 10 per cent of tetrafurfuryl alcohol as chain stopper and quinone may be included in the resins as inhibitor. A filler, e.g. from 10 to to 35 per cent of finely-divided mica, or pigments such as lamp black, light chrome yellow and titanium dioxide may also be included. When cured, e.g. with t-butyl perbenzoate, products are obtained which have good electrical resistance at high humidity and over a wide temperature range and are thus suitable for encapsulating electrical coils such as those of transformers (see Group XXXV).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US732823XA | 1952-11-22 | 1952-11-22 | |
| US1087145XA | 1952-11-22 | 1952-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB732823A true GB732823A (en) | 1955-06-29 |
Family
ID=29218186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32449/53A Expired GB732823A (en) | 1952-11-22 | 1953-11-23 | Improvements in synthetic resinous compositions |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1087145A (en) |
| GB (1) | GB732823A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3054770A (en) * | 1958-02-12 | 1962-09-18 | Westinghouse Electric Corp | Polymerizable resinous composition comprising an unsaturated polyester and a mixture of ethylenically unsaturated monomers copolymerizable therewith, electrical member impregnated therewith, and method of preparing same |
| DE2104575A1 (en) * | 1970-02-02 | 1971-08-12 | Union Carbide Corp | Unsaturated polyester masses |
| DE2324061A1 (en) * | 1973-05-12 | 1974-11-21 | Huels Chemische Werke Ag | HOT-CURING, UNSATATURATED POLYESTER MOLDING COMPOUNDS |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1254353B (en) * | 1959-10-16 | 1967-11-16 | Interbygg Shwan & Co | Manufacture of building panels by curing polyester molding compounds |
| NL276100A (en) * | 1961-03-24 | 1900-01-01 |
-
1953
- 1953-11-13 FR FR1087145D patent/FR1087145A/en not_active Expired
- 1953-11-23 GB GB32449/53A patent/GB732823A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3054770A (en) * | 1958-02-12 | 1962-09-18 | Westinghouse Electric Corp | Polymerizable resinous composition comprising an unsaturated polyester and a mixture of ethylenically unsaturated monomers copolymerizable therewith, electrical member impregnated therewith, and method of preparing same |
| DE2104575A1 (en) * | 1970-02-02 | 1971-08-12 | Union Carbide Corp | Unsaturated polyester masses |
| DE2324061A1 (en) * | 1973-05-12 | 1974-11-21 | Huels Chemische Werke Ag | HOT-CURING, UNSATATURATED POLYESTER MOLDING COMPOUNDS |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1087145A (en) | 1955-02-21 |
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