AU4067085A – The preparation of ultra high molecular weight polyethylene morphologies of totally fused particles with superior mechanical performance
– Google Patents
AU4067085A – The preparation of ultra high molecular weight polyethylene morphologies of totally fused particles with superior mechanical performance
– Google Patents
The preparation of ultra high molecular weight polyethylene morphologies of totally fused particles with superior mechanical performance
Info
Publication number
AU4067085A
AU4067085A
AU40670/85A
AU4067085A
AU4067085A
AU 4067085 A
AU4067085 A
AU 4067085A
AU 40670/85 A
AU40670/85 A
AU 40670/85A
AU 4067085 A
AU4067085 A
AU 4067085A
AU 4067085 A
AU4067085 A
AU 4067085A
Authority
AU
Australia
Prior art keywords
weight polyethylene
stock
morphologies
preparation
molecular weight
Prior art date
1984-03-06
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.)
Abandoned
Application number
AU40670/85A
Inventor
Anagnostis E Zachariades
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZACHARIADES AE
Original Assignee
Zachariades A E
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.)
1984-03-06
Filing date
1985-03-05
Publication date
1985-09-24
1985-03-05
Application filed by Zachariades A E
filed
Critical
Zachariades A E
1985-09-24
Publication of AU4067085A
publication
Critical
patent/AU4067085A/en
Status
Abandoned
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
B29C43/003—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
B29C43/52—Heating or cooling
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
B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers
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
B29C67/00—Shaping techniques not covered by groups B29C39/00 – B29C65/00, B29C70/00 or B29C73/00
B29C67/24—Shaping techniques not covered by groups B29C39/00 – B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
A—HUMAN NECESSITIES
A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 – A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 – A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
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
B29K2105/25—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
B29K2995/0041—Crystalline
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
B29K2995/0045—Isotropic
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
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S528/00—Synthetic resins or natural rubbers — part of the class 520 series
Y10S528/92—Polymers useful for replacing hard animal tissues, e.g. dentures, bones
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
Y10T428/2913—Rod, strand, filament or fiber
Abstract
An isotropic semicrystalline morphology of ultra-high-molecular-weight polyethylene and a method of making it. An original powder stock or a partially fused, melt-crystallized stock having a granular memory, is heated to a temperature at which the stock fuses completely to form a homogeneous melt which loses memory of the granular structure of the original stock. The resultant melt is cooled to ambient temperatures under compression to provide a novel homogeneous isotropic semicrystalline morphology. An anisotropic morphology of ultra-high-molecular-weight polyethylene may then be made by solid-state deforming that semicrystalline morphology at a temperature near but below its crystalline melting point at a deformation ratio of about 5 to 8.
AU40670/85A
1984-03-06
1985-03-05
The preparation of ultra high molecular weight polyethylene morphologies of totally fused particles with superior mechanical performance
Abandoned
AU4067085A
(en)
Applications Claiming Priority (4)
Application Number
Priority Date
Filing Date
Title
US58679684A
1984-03-06
1984-03-06
US586796
1984-03-06
US667020
1984-11-01
US06/667,020
US4587163A
(en)
1984-03-06
1984-11-01
Preparation of ultra high molecular weight polyethylene morphologies of totally fused particles with superior mechanical performance
Publications (1)
Publication Number
Publication Date
AU4067085A
true
AU4067085A
(en)
1985-09-24
Family
ID=27079813
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU40670/85A
Abandoned
AU4067085A
(en)
1984-03-06
1985-03-05
The preparation of ultra high molecular weight polyethylene morphologies of totally fused particles with superior mechanical performance
Country Status (6)
Country
Link
US
(1)
US4587163A
(en)
EP
(1)
EP0177552B1
(en)
AT
(1)
ATE76604T1
(en)
AU
(1)
AU4067085A
(en)
DE
(1)
DE3586117D1
(en)
WO
(1)
WO1985003901A1
(en)
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1986-05-08
Terumo Corp
Hollow yarn membrane and its production
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1987-08-14
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HIGH MOLECULAR WEIGHT POLYOLEFIN PART, PARTICULARLY FOR JOINT PROSTHESIS, AND ITS MANUFACTURING METHOD BY CLOSED MATRIX FORGING
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1985-11-21
1989-10-24
Nippon Petrochemicals Co., Ltd.
Method for preparing molded articles of ultra-high molecular weight polyethylene
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1986-03-14
1988-03-15
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Prosthetic ligament
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1988-11-22
1991-09-17
The University Of Pittsburgh
Method for producing doubly oriented polymers
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Method and apparatus for the production of plates, sheets, shaped parts similar to plates or profiles of synthetic materials
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1992-09-11
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PROCESS FOR IMPROVING THE SLIDING PROPERTIES OF A HIGH DENSITY POLYETHYLENE SKI PAD, AND OF VERY HIGH MOLECULAR WEIGHT
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1988-05-04
1989-12-15
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Injection process and device
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E. I. Du Pont De Nemours And Company
Ultrahigh molecular weight linear polyethylene and articles thereof
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1989-03-17
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Process for producing a new class of ultra-high-molecular-weight polyethylene orthopaedic prostheses with enhanced mechanical properties
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1991-08-06
E. I. Du Pont De Nemours And Company
Process of manufacturing ultrahigh molecular weight linear polyethylene shaped articles
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1993-04-20
Symplastics Limited
Process for extruding polymer shapes with smooth, unbroken surface
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1994-10-04
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Homogeneous, high modulus ultrahigh molecular weight polyethylene composites and processes for the preparation thereof
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Homogeneous, high modulus ultrahigh molecular weight polyethylene composites and processes for the preparation thereof
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Implant of high strength and high modulus consisting of a filament or film mass and its manufacturing method.
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Homogeneous, high modulus ultrahigh molecular weight polyethylene composites and processes for the preparation thereof
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METHOD FOR PRODUCING A TAPE-SHAPED SKI COATING MATERIAL FROM ULTRA HIGH-MOLECULAR POLYETHYLENE AND SKI COATING
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Hoechst Ag
Pelletising ultrahigh-mol. wt. polyethylene – by extrusion agglomeration under pressure with given compression ratio, and then cutting into pellets
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1993-01-21
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Biomet, Inc.
Method for processing thermoplastics, thermosets and elastomers
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Ultrahigh-molecular-weight polyethylene molding for artificial joint and process for producing the molding
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1995-01-20
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Method of improving the wear quality of ultra-high molecular weight polyethylene
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The General Hospital Corporation
Radiation melt treated ultra high molecular weight polyethylene prosthetic devices
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Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
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Orthopaedic Hospital
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Process for processing very high molecular weight polyethylene (UHMWPE) of at least 400,000 by heating under elevated pressure and then cooling, thus obtained UHMWPE and a biomedical application thereof.
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Electromagnetic and mechanical wave energy treatments of UHMWPE
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Biomet Manufacturing, Llc
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US
US06/667,020
patent/US4587163A/en
not_active
Expired – Lifetime
1985
1985-03-05
AT
AT85901692T
patent/ATE76604T1/en
not_active
IP Right Cessation
1985-03-05
AU
AU40670/85A
patent/AU4067085A/en
not_active
Abandoned
1985-03-05
DE
DE8585901692T
patent/DE3586117D1/en
not_active
Expired – Fee Related
1985-03-05
WO
PCT/US1985/000344
patent/WO1985003901A1/en
active
IP Right Grant
1985-03-05
EP
EP85901692A
patent/EP0177552B1/en
not_active
Expired – Lifetime
Also Published As
Publication number
Publication date
US4587163A
(en)
1986-05-06
EP0177552A4
(en)
1987-11-30
EP0177552A1
(en)
1986-04-16
EP0177552B1
(en)
1992-05-27
WO1985003901A1
(en)
1985-09-12
DE3586117D1
(en)
1992-07-02
US4587163B1
(en)
1990-04-03
ATE76604T1
(en)
1992-06-15
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