BR8003964A - Processo para tratamento termico de um po de polietileno de pesso molecular ultraelevado e po de moldagem de polietileno assim obtido - Google Patents

Processo para tratamento termico de um po de polietileno de pesso molecular ultraelevado e po de moldagem de polietileno assim obtido

Info

Publication number
BR8003964A
BR8003964A BR8003964A BR8003964A BR8003964A BR 8003964 A BR8003964 A BR 8003964A BR 8003964 A BR8003964 A BR 8003964A BR 8003964 A BR8003964 A BR 8003964A BR 8003964 A BR8003964 A BR 8003964A
Authority
BR
Brazil
Prior art keywords
polyethylene
ultra
high molecular
thermal treatment
molding
Prior art date
Application number
BR8003964A
Other languages
English (en)
Inventor
A Seaver
Original Assignee
Hoechst Co American
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 Hoechst Co American filed Critical Hoechst Co American
Publication of BR8003964A publication Critical patent/BR8003964A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • 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
    • B29C43/52Heating or cooling
    • 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
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • 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
    • 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
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037Other properties
    • B29K2995/0088Molecular weight
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised 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
    • C08J2323/04Homopolymers or copolymers of ethene
    • C08J2323/06Polyethene
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/26Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/269Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
BR8003964A 1980-04-21 1980-06-25 Processo para tratamento termico de um po de polietileno de pesso molecular ultraelevado e po de moldagem de polietileno assim obtido BR8003964A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/142,543 US4246390A (en) 1980-04-21 1980-04-21 Molding powder of ultra-high molecular weight polyethylene and process for its preparation

Publications (1)

Publication Number Publication Date
BR8003964A true BR8003964A (pt) 1982-03-02

Family

ID=22500245

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8003964A BR8003964A (pt) 1980-04-21 1980-06-25 Processo para tratamento termico de um po de polietileno de pesso molecular ultraelevado e po de moldagem de polietileno assim obtido

Country Status (9)

Country Link
US (1) US4246390A (pt)
EP (1) EP0038394B1 (pt)
JP (1) JPS56161425A (pt)
AR (1) AR225443A1 (pt)
AT (1) ATE13027T1 (pt)
BR (1) BR8003964A (pt)
CA (1) CA1143530A (pt)
DE (1) DE3070574D1 (pt)
ZA (1) ZA803518B (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59166507A (ja) * 1983-03-12 1984-09-19 Nissan Chem Ind Ltd 中空成形用樹脂の製造方法
US4496002A (en) * 1983-07-21 1985-01-29 Jones Joseph W Horseshoe
CA1247772A (en) * 1983-10-07 1988-12-28 Tomoo Shiohara Ultrahigh-molecular-weight polyethylene composition
JPS60163935A (ja) * 1984-02-03 1985-08-26 Mitsui Petrochem Ind Ltd プレス成型用超高分子量ポリオレフィン組成物
US4587163A (en) * 1984-03-06 1986-05-06 Zachariades Anagnostis E Preparation of ultra high molecular weight polyethylene morphologies of totally fused particles with superior mechanical performance
CA1247795A (en) * 1984-03-29 1988-12-28 George S. Van Delinder Polyethylene moulding composition and process
EP0198904A1 (en) * 1984-10-24 1986-10-29 ZACHARIADES, Anagnostis E. Ultra-high-molecular-weight polyethylene products including vascular prosthesis devices and methods relating thereto and employing pseudo-gel states
GB2207436B (en) * 1987-07-24 1991-07-24 Nat Research And Dev Corp The Solid phase deformation process
US5478906A (en) * 1988-12-02 1995-12-26 E. I. Du Pont De Nemours And Company Ultrahigh molecular weight linear polyethylene and articles thereof
EP1308255A1 (en) * 2001-10-30 2003-05-07 Dsm N.V. Process for the manufacturing of a shaped part of ultra high molecular weight polyethylene and a fibre made with this process
US7740779B2 (en) * 2007-04-13 2010-06-22 Bae Systems Tensylon H.P.M., Inc Multiple calender process for forming non-fibrous high modulus ultra high molecular weight polyethylene tape
JP7461334B2 (ja) * 2019-02-20 2024-04-03 旭化成株式会社 ポリエチレンパウダー
KR20210113323A (ko) * 2019-03-01 2021-09-15 아사히 가세이 가부시키가이샤 폴리에틸렌 파우더 및 이것을 성형하여 이루어지는 성형체

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3412080A (en) * 1957-04-02 1968-11-19 Union Carbide Corp Thermal treatment of high-density polyolefins
BE637789A (pt) * 1963-09-24
US3847888A (en) * 1972-12-01 1974-11-12 Allied Chem Ultra-high molecular weight polyethylene molding powder and molding process
GB1470850A (en) * 1972-12-01 1977-04-21 Allied Chem Moulding poder
CA953468A (en) * 1973-01-15 1974-08-27 Coyt E. Murray High molecular weight polyethylene shaped articles
DE2634537C3 (de) * 1976-07-31 1980-08-14 Ruhrchemie Ag, 4200 Oberhausen Verfahren zur Herstellung von Formkörpern aus Polyolefinen mit Molekulargewichten von mindestens 1 Million
US4116391A (en) * 1977-06-06 1978-09-26 Allis-Chalmers Corporation Ball discharger for grinding mill

Also Published As

Publication number Publication date
AR225443A1 (es) 1982-03-31
CA1143530A (en) 1983-03-29
EP0038394B1 (en) 1985-05-02
EP0038394A1 (en) 1981-10-28
ATE13027T1 (de) 1985-05-15
DE3070574D1 (en) 1985-06-05
ZA803518B (en) 1981-06-24
JPS56161425A (en) 1981-12-11
US4246390A (en) 1981-01-20
JPH024617B2 (pt) 1990-01-29

Similar Documents

Publication Publication Date Title
BR8105042A (pt) Composicao de resina de moldagem, processo para obtencao de resina de moldagem e processo de obtencao de artigo moldado
BR8107189A (pt) Artigo poroso de politetrafluoretileno e processo para formacao de um artigo multiporoso de componentes de politetrafluoretileno
BR8003964A (pt) Processo para tratamento termico de um po de polietileno de pesso molecular ultraelevado e po de moldagem de polietileno assim obtido
BR8505509A (pt) Processo para o tratamento de material de embalagem
BR8108182A (pt) Processo e aparelho para o tratamento de material granular
BR8105404A (pt) Composicao termoplastica aperfeicoada para moldagem e processo para aperfeicoamento da composicao
BR8200601A (pt) Esticadeira de injecao para moldagem e sopro
BR8107203A (pt) Processo para tratamento de artigos plasticos;artigo
BR8108831A (pt) Processo e aparelho para a fabricacao de recipientes de plastico
BR8207600A (pt) Processo para esterilizacao de material de embalagem
BR8303738A (pt) Po de borracha, processo direto para sua producao, composicao de borracha curada e artigo
BR8101355A (pt) Material e processo para deposicao de perfume sobre uma superficie
BR8008260A (pt) Processo para a polimerizacao de l-olefinas
BR9002398A (pt) Composicao catalisadora metalica para fabricacao de tereftalato de polietileno,processo para fabricacao de tereftalato de polietileno e tereftalato de polietileno
BR8105797A (pt) Processo para a fabricacao de um material solido, rigido e coerente
BR8103593A (pt) Processo para o confinamento e endurecimento acelerado do concreto
BR8108799A (pt) Processo de moldagem para plasticos
BR8207083A (pt) Processo para preparacao de um catalisador e processo para producao de um polimero de polietileno linear de baixa densidade
BR7908449A (pt) Processo para tratamento termico de um po de polietileno de peso molecular ultraelevado,e po de moldagem de polietileno assim obtido
YU40223B (en) Process for the manufacture of molding of low-pressure high-molecular polyethylene
DE3374942D1 (en) Thermally curable olefinic polymers and manufacturing method for cured shaped objects made thereof
BR8002536A (pt) Processo para producao de resina terpolimera termoplastica e resina de teroolimero termoplastico
BR8107456A (pt) Processo e aparelho para tratamento termico de material pulverulento
BR8406509A (pt) Processo de embalagem de moedas e peliculas de material plastico para a pratica de tal processo
BR8105338A (pt) Processo para a preparacao de copolimeros endureciveis e sua aplicacao