FI66308C - Icke toejd gjuten polypropenfilm - Google Patents
Icke toejd gjuten polypropenfilm Download PDFInfo
- Publication number
- FI66308C FI66308C FI771551A FI771551A FI66308C FI 66308 C FI66308 C FI 66308C FI 771551 A FI771551 A FI 771551A FI 771551 A FI771551 A FI 771551A FI 66308 C FI66308 C FI 66308C
- Authority
- FI
- Finland
- Prior art keywords
- polypropylene
- shaped crystals
- shaped
- film
- melt
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5639076A JPS52139176A (en) | 1976-05-17 | 1976-05-17 | Method of manufacturing poly propylene films for electric use |
JP5639176 | 1976-05-17 | ||
JP5639176A JPS52140000A (en) | 1976-05-17 | 1976-05-17 | Method of manufacturing polypropylene for electric equipment |
JP5639076 | 1976-05-17 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI771551A FI771551A (de) | 1977-11-18 |
FI66308B FI66308B (fi) | 1984-06-29 |
FI66308C true FI66308C (fi) | 1984-10-10 |
Family
ID=26397345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI771551A FI66308C (fi) | 1976-05-17 | 1977-05-16 | Icke toejd gjuten polypropenfilm |
Country Status (4)
Country | Link |
---|---|
US (1) | US4185148A (de) |
DE (1) | DE2722087C2 (de) |
FI (1) | FI66308C (de) |
GB (1) | GB1546009A (de) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6040383B2 (ja) * | 1978-07-05 | 1985-09-10 | 東レ株式会社 | ポリプロピレン複合二軸延伸フイルム |
WO1980000550A1 (en) * | 1978-09-08 | 1980-04-03 | Bethlehem Steel Corp | An oriented,semi-crystalline polymer product and method and apparatus for producing such product |
DE2851557C2 (de) * | 1978-11-29 | 1982-04-01 | Hoechst Ag, 6000 Frankfurt | Biaxial gestreckte Polypropylenverbundfolie zur Verwendung als Elektroisolierfolie |
PH16274A (en) * | 1978-12-13 | 1983-08-26 | Sumitomo Chemical Co | Molded products of polypropylene |
DE2920514A1 (de) * | 1979-05-21 | 1980-11-27 | Unilever Nv | Dynamisch belastbare polypropylenfolie |
DE2942298C2 (de) * | 1979-10-19 | 1985-06-13 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Herstellung einer rauhen Polypropylen-Elektroisolierfolie |
DE3070192D1 (en) * | 1980-03-20 | 1985-03-28 | Mitsubishi Rayon Co | A method of producing a polypropylene film for electrical appliances |
DE3029326A1 (de) * | 1980-08-01 | 1982-02-18 | Ero-Starkstrom Kondensatoren Gmbh, 8300 Landshut | Impraegnierter wickelkondensator |
DE3047153A1 (de) * | 1980-12-15 | 1982-07-22 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung einer rauhen elektroisoliermehrschichtfolie aus polypropylen und nach dem verfahren hergestellte folie |
US4386129A (en) * | 1981-03-31 | 1983-05-31 | Standard Oil Company (Indiana) | Porous polymeric films |
DE3247998C2 (de) * | 1982-12-24 | 1986-02-06 | Hoechst Ag, 6230 Frankfurt | Siegelbare transparente polyolefinische Mehrschichtfolie |
US5231126A (en) * | 1985-04-01 | 1993-07-27 | Shi Guan Yi | Beta-crystalline form of isotactic polypropylene and method for forming the same |
DE3620219A1 (de) * | 1986-06-16 | 1987-12-17 | Hoechst Ag | Verfahren zur herstellung von biaxial gestreckten folien sowie vorrichtung zur durchfuehrung des verfahrens |
US4975469A (en) * | 1989-03-20 | 1990-12-04 | Amoco Corporation | Oriented porous polypropylene films |
JP2896160B2 (ja) * | 1989-05-23 | 1999-05-31 | 三井化学株式会社 | ポリプロピレンの延伸フイルム |
US5176953A (en) * | 1990-12-21 | 1993-01-05 | Amoco Corporation | Oriented polymeric microporous films |
AT403584B (de) * | 1993-09-13 | 1998-03-25 | Chemiefaser Lenzing Ag | Verfahren und vorrichtung zur herstellung cellulosischer flach- oder schlauchfolien |
US5641848A (en) * | 1995-07-24 | 1997-06-24 | Montell North America Inc. | Polypropylene blown film |
FR2737339B1 (fr) * | 1995-07-28 | 1997-10-17 | Bollore Technologies | Condensateur a dielectrique en polypropylene et film metallise pour la realisation d'un tel condensateur |
GB2323327A (en) * | 1997-03-18 | 1998-09-23 | Hoechst Trespaphan Gmbh | Polyolefin film |
GB2323326A (en) * | 1997-03-18 | 1998-09-23 | Hoechst Trespaphan Gmbh | Stretched polyolefin film |
GB2323324A (en) * | 1997-03-18 | 1998-09-23 | Hoechst Trespaphan Gmbh | Stretched polyolefin film |
GB2323325B (en) * | 1997-03-18 | 2001-04-25 | Hoechst Trespaphan Gmbh | Polymeric films |
DE19825179A1 (de) * | 1998-06-05 | 1999-12-09 | Wolff Walsrode Ag | Verfahren zur Kalibrierung nach unten aus einer Düse ausgezogener nahtloser Polymerschläuche |
US6358457B1 (en) | 1998-11-13 | 2002-03-19 | 3M Innovative Properties Company | Method of stretching films according to an overbias or overstretch profile |
US6303067B1 (en) | 1998-11-13 | 2001-10-16 | 3M Innovative Properties Company | Method of stretching films according to an overbias or overstretch stretch profile |
JP2001096607A (ja) * | 1999-09-30 | 2001-04-10 | Suzuki Kanshi Kk | 薄肉チューブの押出成形方法および装置 |
EP1436143A4 (de) | 2001-09-07 | 2004-11-24 | Dearborn Electronics Inc | Schichtkondensator für hochtemperaturanwendungen |
US7405784B2 (en) * | 2003-02-12 | 2008-07-29 | 3M Innovative Properties Company | Compensators for liquid crystal displays with biaxially stretched single film with crystallization modifier |
US6965474B2 (en) * | 2003-02-12 | 2005-11-15 | 3M Innovative Properties Company | Polymeric optical film |
US7132065B2 (en) * | 2003-02-12 | 2006-11-07 | 3M Innovative Properties Company | Process for manufacturing polymeric optical film |
WO2004094259A1 (en) * | 2003-04-16 | 2004-11-04 | Mayzo, Inc. | Extruded polypropylene sheets containing beta spherulites |
US20050043447A1 (en) * | 2003-04-16 | 2005-02-24 | Mayzo, Inc. | Beta nucleation concentrate |
MXPA05011892A (es) * | 2003-05-08 | 2006-05-25 | Applied Extrusion Technologies | Metodos para fabricar peliculas de poliolefina microporosas, de baja densidad, opacas, altamente orientadas, gruesas y las peliculas hechas por medio de estos. |
US20060024518A1 (en) * | 2004-08-02 | 2006-02-02 | Dan-Cheng Kong | Low density cavitated opaque polymer film |
US20070172613A1 (en) * | 2004-08-17 | 2007-07-26 | Philip Jacoby | Beta-nucleation concentrates |
US20060177632A1 (en) * | 2005-02-08 | 2006-08-10 | Philip Jacoby | Beta-nucleation concentrates for film applications |
US20060068200A1 (en) * | 2004-09-24 | 2006-03-30 | Cleckner Michael D | Surface-treated multi-layered polymer film |
US7610837B2 (en) * | 2005-04-21 | 2009-11-03 | Pizza Hut, Inc. | Systems and methods for making a pizza pie having an outer cheese portion |
US20070020448A1 (en) * | 2005-07-22 | 2007-01-25 | Hubbard Michael A | Cavitated film structures |
CN115232394A (zh) * | 2021-04-23 | 2022-10-25 | 全球能源互联网研究院有限公司 | 一种电容器用聚丙烯薄膜及其制备方法和用途 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2936492A (en) * | 1956-10-04 | 1960-05-17 | Du Pont | Method of casting crystalline polymer film |
US3007765A (en) * | 1957-03-05 | 1961-11-07 | Shell Oil Co | Drawing and filamenting treatment of crystalline polymers |
US3246061A (en) * | 1962-08-17 | 1966-04-12 | Du Pont | Process for preparing biaxially oriented polypropylene film |
DE1264746B (de) * | 1962-09-11 | 1968-03-28 | Nihonbashi Muromachi | Verfahren zur Herstellung von thermoplastischen Kunststoffolien mit rauher Oberflaeche |
US3385918A (en) * | 1962-12-01 | 1968-05-28 | Bx Plastics Ltd | Extrusion process and apparatus for isotactic polypropylene |
US3450806A (en) * | 1965-11-26 | 1969-06-17 | Exxon Research Engineering Co | Process and apparatus for the formation of film |
US3822333A (en) * | 1969-04-02 | 1974-07-02 | Chisso Corp | Process for producing shaped articles of crystalline polyolefins having a roughened surface |
GB1364236A (en) * | 1970-07-21 | 1974-08-21 | Bakelite Xylonite Ltd | Extrusion processes |
JPS4948208A (de) * | 1972-09-14 | 1974-05-10 | ||
US4138520A (en) * | 1974-11-29 | 1979-02-06 | Mitsubishi Rayon Co., Ltd. | Translucent polypropylene film and process for producing the same |
DE2601810A1 (de) * | 1975-02-28 | 1976-09-09 | Gen Electric | Schleieriger bzw. unklarer polypropylenfilm |
-
1977
- 1977-05-06 US US05/794,602 patent/US4185148A/en not_active Expired - Lifetime
- 1977-05-16 FI FI771551A patent/FI66308C/fi not_active IP Right Cessation
- 1977-05-16 DE DE2722087A patent/DE2722087C2/de not_active Expired - Lifetime
- 1977-05-17 GB GB20733/77A patent/GB1546009A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4185148A (en) | 1980-01-22 |
DE2722087A1 (de) | 1977-12-15 |
FI771551A (de) | 1977-11-18 |
GB1546009A (en) | 1979-05-16 |
FI66308B (fi) | 1984-06-29 |
DE2722087C2 (de) | 1992-04-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: MITSUBISHI RAYON CO., LTD. |