DE68913608D1 - Herstellung von Polyäthylen-Gegenständen mit hohem Modul und hoher Festigkeit. - Google Patents

Herstellung von Polyäthylen-Gegenständen mit hohem Modul und hoher Festigkeit.

Info

Publication number
DE68913608D1
DE68913608D1 DE89306948T DE68913608T DE68913608D1 DE 68913608 D1 DE68913608 D1 DE 68913608D1 DE 89306948 T DE89306948 T DE 89306948T DE 68913608 T DE68913608 T DE 68913608T DE 68913608 D1 DE68913608 D1 DE 68913608D1
Authority
DE
Germany
Prior art keywords
manufacture
high strength
modulus
polyethylene
objects
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 - Fee Related
Application number
DE89306948T
Other languages
English (en)
Other versions
DE68913608T2 (de
Inventor
Akira Sano
Hirofumi Kamiishi
Kazuo Matsuura
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.)
Eneos Corp
Original Assignee
Nippon Oil Corp
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 Nippon Oil Corp filed Critical Nippon Oil Corp
Application granted granted Critical
Publication of DE68913608D1 publication Critical patent/DE68913608D1/de
Publication of DE68913608T2 publication Critical patent/DE68913608T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
    • 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
    • B29C48/07—Flat, e.g. panels
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—Ethene
    • 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
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • 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
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/905—Polymerization in presence of transition metal containing catalyst in presence of hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Artificial Filaments (AREA)
DE68913608T 1988-07-09 1989-07-07 Herstellung von Polyäthylen-Gegenständen mit hohem Modul und hoher Festigkeit. Expired - Fee Related DE68913608T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63171195A JPH0761687B2 (ja) 1988-07-09 1988-07-09 高強度・高弾性率ポリエチレン材料の製造方法

Publications (2)

Publication Number Publication Date
DE68913608D1 true DE68913608D1 (de) 1994-04-14
DE68913608T2 DE68913608T2 (de) 1994-06-30

Family

ID=15918775

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68913608T Expired - Fee Related DE68913608T2 (de) 1988-07-09 1989-07-07 Herstellung von Polyäthylen-Gegenständen mit hohem Modul und hoher Festigkeit.

Country Status (5)

Country Link
US (1) US4996011A (de)
EP (1) EP0351151B1 (de)
JP (1) JPH0761687B2 (de)
CA (1) CA1331264C (de)
DE (1) DE68913608T2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2015506C (en) * 1989-05-02 1995-06-06 Seizo Kobayashi Method for continuous preparation of polyethylene material having high strength and high modulus of elasticity
JP2603353B2 (ja) * 1990-04-20 1997-04-23 日本石油株式会社 ポリオレフィン材料の連続的製造方法
JP2675182B2 (ja) * 1990-07-19 1997-11-12 日本石油株式会社 着色延伸ポリエチレン材料およびその製造方法
US5441685A (en) * 1991-01-28 1995-08-15 Tokiwa Chemical Industries Co., Ltd. Method for producing a window glass edging member for a vehicle such as an automobile
US5447671A (en) * 1991-03-25 1995-09-05 Tokiwa Chemical Industries & Co., Ltd. Window glass edging member for a vehicle such as an automobile and method for manufacturing the edging member
JP3027225B2 (ja) * 1991-05-27 2000-03-27 日石三菱株式会社 プリプレグの製造方法
JP3311780B2 (ja) * 1991-07-23 2002-08-05 三菱化学株式会社 オレフィン重合体の製造方法
FR2681467B1 (fr) * 1991-09-13 1993-11-19 Alcatel Cable Corps isolant a haute rigidite dielectrique et procede d'obtention d'un tel corps.
DE4210351A1 (de) * 1992-03-30 1993-10-07 Hoechst Ag Verfahren zum Pelletieren von ultrahochmolekularem Polyethylen
DE19645939A1 (de) * 1996-11-07 1998-05-14 Buna Sow Leuna Olefinverb Gmbh Verfahren zur Herstellung von ultrahochmolekularem Polyethylen und Methode zur Aktivierung des Katalysatorträgers
US6132657A (en) * 1998-06-29 2000-10-17 Polyeitan Composites Ltd. Process for producing polymeric materials
US6121413A (en) * 1999-04-30 2000-09-19 Burstein; Albert H. Heat treatment of ultra high molecular weight polyethylene
CA2421642C (en) * 2000-09-11 2009-11-03 Sekisui Chemical Co., Ltd. Oriented polyolefin sheet and method for production thereof
US20030168077A1 (en) * 2002-02-11 2003-09-11 Brown Dale G. Coated micromesh dental devices overcoated with imbedded particulate
US20060177384A1 (en) * 2001-12-04 2006-08-10 Brown Dale G Sialagogue coatings for interproximal devices
US7025986B2 (en) * 2002-02-11 2006-04-11 International Tape Partners Llc Micromesh interproximal devices
TW200504093A (en) * 2003-05-12 2005-02-01 Dow Global Technologies Inc Polymer composition and process to manufacture high molecular weight-high density polyethylene and film therefrom
JP4033048B2 (ja) * 2003-06-11 2008-01-16 ソニー株式会社 スピーカ振動板の製造方法及びスピーカ振動板
US7976930B2 (en) * 2007-06-25 2011-07-12 Bae Systems Tensylon H.P.M., Inc. Non-fibrous high modulus ultra high molecular weight polyethylene tape for ballistic applications
US7858004B2 (en) * 2008-04-01 2010-12-28 Bae Systems Tensylon H.P.M., Inc. Method and apparatus for the production of high tenacity polyolefin sheet
US7854870B2 (en) 2008-04-01 2010-12-21 BAE Systems Tensy Lon H.P.M., Inc. Method and apparatus for the production of high tenacity polyolefin sheet
US8236119B2 (en) 2009-08-11 2012-08-07 Honeywell International Inc. High strength ultra-high molecular weight polyethylene tape articles
US8697220B2 (en) 2009-08-11 2014-04-15 Honeywell International, Inc. High strength tape articles from ultra-high molecular weight polyethylene
US9138961B2 (en) 2011-10-19 2015-09-22 Honeywell International Inc. High performance laminated tapes and related products for ballistic applications
CN104685117B (zh) 2012-08-06 2018-02-02 霍尼韦尔国际公司 聚合物带材、无纺层压材料、纺织织物和制造它们的方法
JP6044309B2 (ja) * 2012-12-07 2016-12-14 東洋紡株式会社 ポリエチレンテープ、ポリエチレンスプリットヤーン及びそれらの製造方法
WO2019162760A1 (en) 2018-02-05 2019-08-29 Exxonmobil Chemical Patents Inc. A Corporation Of State Of Delaware Enhanced processability of lldpe by addition of ultra-high molecular weight high density polyethylene
US20240026099A1 (en) * 2022-07-19 2024-01-25 Meta Platforms Technologies, Llc Ultrahigh molecular weight polyethylene thin films formed by gel casting

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5654323B2 (de) * 1973-02-09 1981-12-24
US3944536A (en) * 1973-06-18 1976-03-16 E. I. Du Pont De Nemours & Company Exceptionally rigid and tough ultrahigh molecular weight linear polyethylene
JPS5023864A (de) * 1973-07-03 1975-03-14
JPS5732504B2 (de) * 1973-08-09 1982-07-12
GB1460626A (en) * 1974-05-22 1977-01-06 Ici Ltd Purification of water
JPS51152A (en) * 1974-06-20 1976-01-05 Matsushita Electric Ind Co Ltd Jotetsu jomanganyorozai
JPS513514A (ja) * 1974-06-26 1976-01-13 Hitachi Ltd Torankukidohoshiki
JPS5211710A (en) * 1975-07-17 1977-01-28 Tamura Electric Works Ltd Facsimile scanning system
JPS5215111A (en) * 1975-07-25 1977-02-04 Ito Jinichi Method of treating underground water injected from underground structure formed with steel segment
JPS5412954A (en) * 1977-06-27 1979-01-31 Fuezaa Kk Wig and production thereof
JPS5412953A (en) * 1977-06-28 1979-01-31 Iwabori Kinzoku Kk Wall hanging type hair dryer
NL177759B (nl) * 1979-06-27 1985-06-17 Stamicarbon Werkwijze ter vervaardiging van een polyetheendraad, en de aldus verkregen polyetheendraad.
JPS5647407A (en) * 1979-09-26 1981-04-30 Nippon Oil Co Ltd Production of polyolefin
JPS5695909A (en) * 1979-12-28 1981-08-03 Nippon Oil Co Ltd Preparation of polyolefin
JPS5779009A (en) * 1980-10-31 1982-05-18 Nippon Kokan Kk <Nkk> Rearranging device for rolling stand
JPS5821405A (ja) * 1981-07-30 1983-02-08 Nippon Oil Co Ltd ポリオレフインの製造方法
JPS57187305A (en) * 1981-05-15 1982-11-18 Nippon Oil Co Ltd Production of polyolefin
JPS59187614A (ja) * 1983-04-07 1984-10-24 Mitsui Petrochem Ind Ltd 超高分子量ポリエチレン延伸物の製造法
JPS59227420A (ja) * 1983-06-10 1984-12-20 Mitsui Petrochem Ind Ltd 超高分子量ポリオレフイン二軸延伸フイルム及びその製造方法
JPS6015120A (ja) * 1983-07-07 1985-01-25 Agency Of Ind Science & Technol 結晶性高分子シ−トの製造方法
JPS6097836A (ja) * 1983-11-04 1985-05-31 Agency Of Ind Science & Technol 超弾性率二軸延伸結晶性高分子フイルムあるいはシートの製造方法
US4518552A (en) * 1983-11-09 1985-05-21 Mitsuboshi Belting Ltd. Method of producing accurately sized material of ultra high molecular weight polyethylene
JPS60198220A (ja) * 1984-03-21 1985-10-07 Mitsubishi Chem Ind Ltd 高強度ポリエチレン延伸成形物の製造方法
US4820466A (en) * 1985-01-31 1989-04-11 Zachariades Anagnostis E Process for obtaining ultra-high modulus products
US4769433A (en) * 1985-11-25 1988-09-06 E. I. Du Pont De Nemours And Company High strength polyolefins
JPH075667B2 (ja) * 1986-06-17 1995-01-25 日本石油株式会社 高強度・高弾性率ポリエチレン材料の製造方法
JPH0699513B2 (ja) * 1986-09-05 1994-12-07 日本石油株式会社 高強度・高弾性率ポリエチレン材料の製造方法
US4879076A (en) * 1986-06-17 1989-11-07 Nippon Oil Co., Ltd. Process for the production of polyethylene materials
JPH07673B2 (ja) * 1986-08-07 1995-01-11 日本石油株式会社 高強度・高弾性率ポリエチレン材料の製造方法
JPH0730215B2 (ja) * 1986-07-04 1995-04-05 三井石油化学工業株式会社 射出成形用ポリオレフイン組成物
JPS63265619A (ja) * 1986-12-19 1988-11-02 Toyobo Co Ltd ポリエチレン延伸フィラメントおよび延伸フィルムの製造方法

Also Published As

Publication number Publication date
CA1331264C (en) 1994-08-09
JPH0222037A (ja) 1990-01-24
EP0351151B1 (de) 1994-03-09
EP0351151A2 (de) 1990-01-17
US4996011A (en) 1991-02-26
EP0351151A3 (de) 1991-10-02
DE68913608T2 (de) 1994-06-30
JPH0761687B2 (ja) 1995-07-05

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