JPS6159890B2 - - Google Patents
Info
- Publication number
- JPS6159890B2 JPS6159890B2 JP52108872A JP10887277A JPS6159890B2 JP S6159890 B2 JPS6159890 B2 JP S6159890B2 JP 52108872 A JP52108872 A JP 52108872A JP 10887277 A JP10887277 A JP 10887277A JP S6159890 B2 JPS6159890 B2 JP S6159890B2
- Authority
- JP
- Japan
- Prior art keywords
- parts
- weight
- rod
- monomer liquid
- nvp
- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
- B29C39/006—Monomers or prepolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2055/00—Use of specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of main groups B29K2023/00 - B29K2049/00, e.g. having a vinyl group, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2827/00—Use of polyvinylhalogenides or derivatives thereof as mould material
- B29K2827/12—Use of polyvinylhalogenides or derivatives thereof as mould material containing fluorine
- B29K2827/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/06—Rods, e.g. connecting rods, rails, stakes
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Prostheses (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Polymerisation Methods In General (AREA)
- Eyeglasses (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/722,960 US4127638A (en) | 1976-09-13 | 1976-09-13 | Process for casting polymer rods |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5335764A JPS5335764A (en) | 1978-04-03 |
JPS6159890B2 true JPS6159890B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-12-18 |
Family
ID=24904186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10887277A Granted JPS5335764A (en) | 1976-09-13 | 1977-09-12 | Method of casting polymer rod |
Country Status (5)
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6045209B2 (ja) * | 1976-07-20 | 1985-10-08 | 住友化学工業株式会社 | 連続重合方法 |
AU538943B2 (en) * | 1979-01-22 | 1984-09-06 | Mobil Oil Corp. | Converting s and n containing organic charge with zsm-20 catalyst |
JPS5921367B2 (ja) * | 1979-05-29 | 1984-05-19 | 大同特殊鋼株式会社 | 含クロム鋼の精錬方法 |
US4931228A (en) * | 1989-04-05 | 1990-06-05 | Coastvision | Method of manufacturing soft contact lens buttons |
JP4855650B2 (ja) * | 2004-04-16 | 2012-01-18 | 第一工業製薬株式会社 | ビニルピロリドン重合体の製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1513299A (fr) * | 1966-09-02 | 1968-02-16 | Verreries De Goetzenbruck S A | Procédé de fabrication d'écrans ou d'oculaires composites en matière organique |
US3621079A (en) * | 1968-10-21 | 1971-11-16 | Patent Structures Inc | Graft of hydroxyalkyl methacrylate onto polyvinylpyrrolidone |
US3639524A (en) * | 1969-07-28 | 1972-02-01 | Maurice Seiderman | Hydrophilic gel polymer insoluble in water from polyvinylpyrrolidone with n-vinyl-2-pyrrolidone and methacrylic modifier |
BE759530A (fr) * | 1969-11-28 | 1971-04-30 | Griffin Lab Inc | Lentille de contact et son procede de fabrication |
US3839304A (en) * | 1973-02-12 | 1974-10-01 | American Optical Corp | Soft contact lens and method of production thereof |
US3894129A (en) * | 1973-03-15 | 1975-07-08 | American Optical Corp | Method of manufacture of strain free contact lenses |
US3978164A (en) * | 1974-11-21 | 1976-08-31 | Warner-Lambert Company | Pyrrolidone-methacrylate graft copolymers from 3-stage polymerization process |
-
1976
- 1976-09-13 US US05/722,960 patent/US4127638A/en not_active Expired - Lifetime
-
1977
- 1977-09-06 DE DE2740545A patent/DE2740545C2/de not_active Expired
- 1977-09-12 GB GB37958/77A patent/GB1549543A/en not_active Expired
- 1977-09-12 JP JP10887277A patent/JPS5335764A/ja active Granted
- 1977-09-12 FR FR7727427A patent/FR2364109A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2740545C2 (de) | 1987-05-07 |
FR2364109A1 (fr) | 1978-04-07 |
US4127638A (en) | 1978-11-28 |
JPS5335764A (en) | 1978-04-03 |
FR2364109B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-05-16 |
DE2740545A1 (de) | 1978-03-16 |
GB1549543A (en) | 1979-08-08 |
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