IT1079392B - Procedimento per la produzione di pezzi stampati in poliolefine con pesi molecolari di almeno 1 milione - Google Patents
Procedimento per la produzione di pezzi stampati in poliolefine con pesi molecolari di almeno 1 milioneInfo
- Publication number
- IT1079392B IT1079392B IT50468/77A IT5046877A IT1079392B IT 1079392 B IT1079392 B IT 1079392B IT 50468/77 A IT50468/77 A IT 50468/77A IT 5046877 A IT5046877 A IT 5046877A IT 1079392 B IT1079392 B IT 1079392B
- Authority
- IT
- Italy
- Prior art keywords
- polyolefins
- million
- procedure
- production
- molecular weights
- Prior art date
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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/006—Pressing and sintering powders, granules or fibres
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5808—Measuring, controlling or regulating pressure or compressing force
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/001—Shaping in several steps
-
- 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0658—PE, i.e. polyethylene characterised by its molecular weight
- B29K2023/0683—UHMWPE, i.e. ultra high molecular weight polyethylene
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0085—Copolymers
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/25—Solid
- B29K2105/251—Particles, powder or granules
-
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0088—Molecular weight
-
- 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
- B29L2031/753—Medical equipment; Accessories therefor
- B29L2031/7532—Artificial members, protheses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2634537A DE2634537C3 (de) | 1976-07-31 | 1976-07-31 | Verfahren zur Herstellung von Formkörpern aus Polyolefinen mit Molekulargewichten von mindestens 1 Million |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1079392B true IT1079392B (it) | 1985-05-08 |
Family
ID=5984424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT50468/77A IT1079392B (it) | 1976-07-31 | 1977-07-27 | Procedimento per la produzione di pezzi stampati in poliolefine con pesi molecolari di almeno 1 milione |
Country Status (13)
Country | Link |
---|---|
US (1) | US4110391A (it) |
JP (1) | JPS5317660A (it) |
AT (1) | AT356909B (it) |
BE (1) | BE857123A (it) |
CA (1) | CA1078573A (it) |
CH (1) | CH629998A5 (it) |
DE (1) | DE2634537C3 (it) |
ES (1) | ES461042A1 (it) |
FR (1) | FR2360399A1 (it) |
GB (1) | GB1542391A (it) |
IT (1) | IT1079392B (it) |
NL (1) | NL169437B (it) |
YU (1) | YU39053B (it) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4272474A (en) * | 1979-11-06 | 1981-06-09 | Synergistics Chemicals Limited | Process for producing articles of ultra high molecular weight high density polyethylene |
US4246390A (en) * | 1980-04-21 | 1981-01-20 | American Hoechst Corporation | Molding powder of ultra-high molecular weight polyethylene and process for its preparation |
JPS6058010B2 (ja) * | 1981-04-14 | 1985-12-18 | 三井化学株式会社 | 射出圧縮成形方法 |
DE3133897A1 (de) * | 1981-08-27 | 1983-03-10 | Deutsche Solvay-Werke Gmbh, 5650 Solingen | "verfahren und vorrichtung zur herstellung von kunststoffplatten, -folien, -bahnen, -baendern, - stangen, -formteilen, -gegenstaenden oder -profilen von hoher mechanischer festigkeit aus thermoplasten" |
US5135804A (en) * | 1983-02-18 | 1992-08-04 | Allied-Signal Inc. | Network of polyethylene fibers |
US4518552A (en) * | 1983-11-09 | 1985-05-21 | Mitsuboshi Belting Ltd. | Method of producing accurately sized material of ultra high molecular weight polyethylene |
CA1247795A (en) * | 1984-03-29 | 1988-12-28 | George S. Van Delinder | Polyethylene moulding composition and process |
JPS61103889A (ja) * | 1984-10-24 | 1986-05-22 | Hayashibara Biochem Lab Inc | 結晶エルロ−ス及びそれを含有する含蜜結晶並びにそれらの製造方法及び用途 |
FR2578780B1 (fr) * | 1985-03-12 | 1987-08-14 | Commissariat Energie Atomique | Piece en polyolefine de haut poids moleculaire, notamment pour prothese articulaire, et son procede de fabrication par forgeage en matrice fermee |
JPH0610052Y2 (ja) * | 1986-04-12 | 1994-03-16 | 株式会社西製作所 | 受金具 |
US4879076A (en) * | 1986-06-17 | 1989-11-07 | Nippon Oil Co., Ltd. | Process for the production of polyethylene materials |
GB2207436B (en) * | 1987-07-24 | 1991-07-24 | Nat Research And Dev Corp The | Solid phase deformation process |
GB9104781D0 (en) | 1991-03-07 | 1991-04-17 | Ward Ian M | Polymer materials |
US5628946A (en) * | 1991-03-07 | 1997-05-13 | British Technology Group Limited | Process for producing polymeric materials |
DE4210351A1 (de) * | 1992-03-30 | 1993-10-07 | Hoechst Ag | Verfahren zum Pelletieren von ultrahochmolekularem Polyethylen |
DE4241757A1 (de) * | 1992-12-11 | 1994-06-16 | Hoechst Ag | Verfahren zur Herstellung von Formkörpern aus ultrahochmolekularem Polyethylen |
US5518801A (en) * | 1993-08-03 | 1996-05-21 | The Procter & Gamble Company | Web materials exhibiting elastic-like behavior |
US5916663A (en) * | 1993-08-03 | 1999-06-29 | Chappell; Charles W. | Web materials exhibiting elastic-like behavior |
US5891544A (en) * | 1993-08-03 | 1999-04-06 | The Procter & Gamble Company | Web materials exhibiting elastic-like behavior |
KR100353702B1 (ko) * | 1993-11-19 | 2003-10-08 | 더 프록터 앤드 갬블 캄파니 | 구조적 탄성체형 필름웹 허리벨트를 갖는 흡수제품 |
US5554145A (en) * | 1994-02-28 | 1996-09-10 | The Procter & Gamble Company | Absorbent article with multiple zone structural elastic-like film web extensible waist feature |
CZ288098B6 (cs) * | 1995-12-04 | 2001-04-11 | The Procter & Gamble Company | Žebrový materiál |
US5721334A (en) * | 1996-02-16 | 1998-02-24 | Newyork Society For The Ruptured And Crippled Maintaining The Hospital For Special Surgery | Process for producing ultra-high molecular weight low modulus polyethylene shaped articles via controlled pressure and temperature and compositions and articles produced therefrom |
US5650214A (en) * | 1996-05-31 | 1997-07-22 | The Procter & Gamble Company | Web materials exhibiting elastic-like behavior and soft, cloth-like texture |
EP0934145B1 (en) | 1996-10-04 | 2004-12-15 | Btg International Limited | Olefin polymers |
GB9620692D0 (en) * | 1996-10-04 | 1996-11-20 | Vantage Polymers Limited | Olefin polymers |
US20010009756A1 (en) | 1998-01-06 | 2001-07-26 | Derek Hei | Flow devices for the reduction of compounds from biological compositions and methods of use |
US20010018179A1 (en) | 1998-01-06 | 2001-08-30 | Derek J. Hei | Batch devices for the reduction of compounds from biological compositions containing cells and methods of use |
US7611831B2 (en) * | 1998-01-06 | 2009-11-03 | Cerus Corporation | Adsorbing pathogen-inactivating compounds with porous particles immobilized in a matrix |
DE10149884B4 (de) * | 2001-10-10 | 2005-02-17 | Hubert Rosing | Verfahren zur Herstellung von Halbzeugen aus hoch- oder ultrahochmolekularen Polymeren, derart hergestellte Halbzeuge sowie deren Verwendung |
GB0128405D0 (en) * | 2001-11-27 | 2002-01-16 | Btg Int Ltd | Process for fabricating polyolefin sheet |
ES2633442T3 (es) | 2003-05-22 | 2017-09-21 | Propex Operating Company, Llc | Proceso paa la fabricación de artículos poliméricos |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL99897C (it) * | 1956-06-21 | |||
BE561820A (it) * | 1956-11-05 | |||
GB1470850A (en) * | 1972-12-01 | 1977-04-21 | Allied Chem | Moulding poder |
-
1976
- 1976-07-31 DE DE2634537A patent/DE2634537C3/de not_active Expired
- 1976-09-28 NL NL7610745A patent/NL169437B/xx not_active IP Right Cessation
-
1977
- 1977-07-18 YU YU01773/77A patent/YU39053B/xx unknown
- 1977-07-22 JP JP8824377A patent/JPS5317660A/ja active Granted
- 1977-07-22 FR FR7722668A patent/FR2360399A1/fr active Granted
- 1977-07-22 GB GB7730974A patent/GB1542391A/en not_active Expired
- 1977-07-22 AT AT533277A patent/AT356909B/de not_active IP Right Cessation
- 1977-07-25 BE BE179610A patent/BE857123A/xx not_active IP Right Cessation
- 1977-07-25 CA CA283,457A patent/CA1078573A/en not_active Expired
- 1977-07-27 ES ES461042A patent/ES461042A1/es not_active Expired
- 1977-07-27 IT IT50468/77A patent/IT1079392B/it active
- 1977-07-27 US US05/819,536 patent/US4110391A/en not_active Expired - Lifetime
- 1977-07-29 CH CH945477A patent/CH629998A5/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2634537B2 (de) | 1978-10-05 |
YU39053B (en) | 1984-02-29 |
NL7610745A (nl) | 1978-02-02 |
DE2634537A1 (de) | 1978-02-02 |
AT356909B (de) | 1980-06-10 |
FR2360399B1 (it) | 1979-04-13 |
ATA533277A (de) | 1979-10-15 |
US4110391A (en) | 1978-08-29 |
CH629998A5 (de) | 1982-05-28 |
YU177377A (en) | 1982-05-31 |
CA1078573A (en) | 1980-06-03 |
ES461042A1 (es) | 1978-06-01 |
NL169437B (nl) | 1982-02-16 |
BE857123A (fr) | 1978-01-25 |
JPS5317660A (en) | 1978-02-17 |
JPS5426589B2 (it) | 1979-09-05 |
FR2360399A1 (fr) | 1978-03-03 |
GB1542391A (en) | 1979-03-21 |
DE2634537C3 (de) | 1980-08-14 |
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