GB471752A - A process for the manufacture of non-glled tremeparemt pressed articles and materials - Google Patents
A process for the manufacture of non-glled tremeparemt pressed articles and materialsInfo
- Publication number
- GB471752A GB471752A GB7863/36A GB786336A GB471752A GB 471752 A GB471752 A GB 471752A GB 7863/36 A GB7863/36 A GB 7863/36A GB 786336 A GB786336 A GB 786336A GB 471752 A GB471752 A GB 471752A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tremeparemt
- glled
- manufacture
- materials
- pressed articles
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/36—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes
- B23B5/40—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes for turning spherical surfaces inside or outside
-
- 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
- C08G14/00—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00
- C08G14/02—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes
- C08G14/04—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes with phenols
- C08G14/06—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes with phenols and monomers containing hydrogen attached to nitrogen
-
- 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
-
- 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
- C08G8/28—Chemically modified polycondensates
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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Mixtures of a phenol-aldehyde condensation product, hexamethylenetetramine and a low-boiling solvent therefor such as water are heated, with or without the addition of plasticizers or fluxing agents but without elimination of the solvent, in a mixer or on rolls at temperatures below 100 DEG C. until the boundary of the rubber-like state is reached and the material is prehardened to a considerable degree, and the resinous product obtained is moulded by the action of heat and pressure to obtain transparent articles.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE471752X | 1913-09-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB471752A true GB471752A (en) | 1937-09-09 |
Family
ID=6541314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7863/36A Expired GB471752A (en) | 1935-04-17 | 1937-03-09 | A process for the manufacture of non-glled tremeparemt pressed articles and materials |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR471752A (en) |
GB (1) | GB471752A (en) |
-
1914
- 1914-05-02 FR FR471752D patent/FR471752A/en not_active Expired
-
1937
- 1937-03-09 GB GB7863/36A patent/GB471752A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR471752A (en) | 1914-11-11 |
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