GB699671A - Improvements in and relating to the moulding of synthetic resins - Google Patents
Improvements in and relating to the moulding of synthetic resinsInfo
- Publication number
- GB699671A GB699671A GB26787/51A GB2678751A GB699671A GB 699671 A GB699671 A GB 699671A GB 26787/51 A GB26787/51 A GB 26787/51A GB 2678751 A GB2678751 A GB 2678751A GB 699671 A GB699671 A GB 699671A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polymerized
- catalyst
- moulding
- polymerizable
- relating
- 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
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/02—Polymerisation in bulk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dental Preparations (AREA)
Abstract
Synthetic polymerizable materials, such as methyl methacrylate and mixtures thereof with polymethyl methacrylate, are polymerized in contact with a surface with which the polymerized material should exactly conform by coating the surface with a polymerization catalyst, and then applying the polymerizable material to the catalyst layer whereby polymerization proceeds in a direction away from the surface to be reproduced. Suitable surface catalysts are tertiary amines, such as dimethylaniline and sulphines, which may be applied in a varnish containing, e.g. nitrocellulose, mastic, or tricresyl phosphate dissolved in butyl alcohol, ethyl acetate, ethyl lactate, or ethyl ether. The polymerizable material may also contain a catalyst such as benzoyl peroxide or a mixture thereof with dimethyl aniline. The process may be employed in making dental and anatomical prostheses, artificial teeth, tooth fillings, and in moulding clasps and needles into polymerized material.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE699671X | 1950-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB699671A true GB699671A (en) | 1953-11-11 |
Family
ID=20315430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB26787/51A Expired GB699671A (en) | 1950-11-28 | 1951-11-15 | Improvements in and relating to the moulding of synthetic resins |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB699671A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1025302B (en) * | 1954-12-23 | 1958-02-27 | Fritz Hecker Over | Process for covering objects of all kinds with unsaturated polyester fibers |
EP0224133A2 (en) * | 1985-11-21 | 1987-06-03 | Kao Corporation | Process for producing alpha,beta-unsaturated carboxylic acid polymer |
-
1951
- 1951-11-15 GB GB26787/51A patent/GB699671A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1025302B (en) * | 1954-12-23 | 1958-02-27 | Fritz Hecker Over | Process for covering objects of all kinds with unsaturated polyester fibers |
EP0224133A2 (en) * | 1985-11-21 | 1987-06-03 | Kao Corporation | Process for producing alpha,beta-unsaturated carboxylic acid polymer |
EP0224133A3 (en) * | 1985-11-21 | 1988-01-07 | Kao Corporation | Process for producing alpha,beta-unsaturated carboxylic acid polymer |
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