GB766148A - Improvements in or relating to reinforced urea-amine-formaldehyde compositions - Google Patents
Improvements in or relating to reinforced urea-amine-formaldehyde compositionsInfo
- Publication number
- GB766148A GB766148A GB37582/54A GB3758254A GB766148A GB 766148 A GB766148 A GB 766148A GB 37582/54 A GB37582/54 A GB 37582/54A GB 3758254 A GB3758254 A GB 3758254A GB 766148 A GB766148 A GB 766148A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fibrous
- weight
- group
- bis
- parts
- 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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C03C25/34—Condensation polymers of aldehydes, e.g. with phenols, ureas, melamines, amides or amines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A resinous composition comprising an N-methylol primary amine, a water-soluble ureaformaldehyde condensate and 10-60 per cent by weight of a non-reactive fibrous reinforcement can be cured at a pressure of 20 to 100 lbs. per square inch at a temperature of 110 DEG to 145 DEG C. The composition contains 0.25 to 0.65 parts by weight of formaldehyde, 0.25 to 0.65 parts by weight of urea and 0.003 to 0.25 parts by weight of amine, an added acid component, and has a pH of from 6.0 to 9.5. Specified amines are: (1) aminoalkanes having not more than four carbon atoms per NH2 group; (2) bis (amino-alkyl) ethers having not more than 4 carbon atoms per NH2 group, e.g. bis (3-aminopropyl) ether; (3) a primary amine containing 2 NH2 groups, e.g. hexamethylene diamine. Specified fibres are glass fibres and other inorganic fibrous material, fibrous polytetrafluoroethylene, fibrous polyhexamethylene adipamide and other nylon polyamides, fibrous polyacrylonitrile and fibrous polyesters. In Example 3, bis-(3-aminopropyl) ether was added to formalin (pH = 7.3). Urea was added (pH 7.8) and then sulphuric acid to adjust the pH to 7.2; glass mats were impregnated with the solution at room temperature, air dried overnight and then at 70 DEG to 90 DEG C. for 45 minutes. Curing was then effected at 110 DEG C. and 30 lbs. per square inch for 20 minutes. Specifications 572,245, [Group IV], 688,794 and 695,148, [Group VIII], are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB37582/54A GB766148A (en) | 1954-12-29 | 1954-12-29 | Improvements in or relating to reinforced urea-amine-formaldehyde compositions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB37582/54A GB766148A (en) | 1954-12-29 | 1954-12-29 | Improvements in or relating to reinforced urea-amine-formaldehyde compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB766148A true GB766148A (en) | 1957-01-16 |
Family
ID=22133148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB37582/54A Expired GB766148A (en) | 1954-12-29 | 1954-12-29 | Improvements in or relating to reinforced urea-amine-formaldehyde compositions |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB766148A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116476470A (en) * | 2023-04-19 | 2023-07-25 | 山东华美建材有限公司 | Negative oxygen ion glass fiber board and preparation method thereof |
-
1954
- 1954-12-29 GB GB37582/54A patent/GB766148A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116476470A (en) * | 2023-04-19 | 2023-07-25 | 山东华美建材有限公司 | Negative oxygen ion glass fiber board and preparation method thereof |
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