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 milione

Info

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
Application number
IT50468/77A
Other languages
English (en)
Original Assignee
Ruhrchemie Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ruhrchemie Ag filed Critical Ruhrchemie Ag
Application granted granted Critical
Publication of IT1079392B publication Critical patent/IT1079392B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/006Pressing and sintering powders, granules or fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/58Measuring, controlling or regulating
    • B29C2043/5808Measuring, controlling or regulating pressure or compressing force
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00Shaping characteristics in general
    • B29C2791/001Shaping in several steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04Polymers of ethylene
    • B29K2023/06PE, i.e. polyethylene
    • B29K2023/0658PE, i.e. polyethylene characterised by its molecular weight
    • B29K2023/0683UHMWPE, i.e. ultra high molecular weight polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0085Copolymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25Solid
    • B29K2105/251Particles, powder or granules
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037Other properties
    • B29K2995/0088Molecular weight
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/753Medical equipment; Accessories therefor
    • B29L2031/7532Artificial 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)
IT50468/77A 1976-07-31 1977-07-27 Procedimento per la produzione di pezzi stampati in poliolefine con pesi molecolari di almeno 1 milione IT1079392B (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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