RO90375A - Procedeu pentru obtinerea unor articole din polietilena - Google Patents

Procedeu pentru obtinerea unor articole din polietilena

Info

Publication number
RO90375A
RO90375A RO84115943A RO11594384A RO90375A RO 90375 A RO90375 A RO 90375A RO 84115943 A RO84115943 A RO 84115943A RO 11594384 A RO11594384 A RO 11594384A RO 90375 A RO90375 A RO 90375A
Authority
RO
Romania
Prior art keywords
container
ethylene
shaped body
homogeneous mixture
copolymers
Prior art date
Application number
RO84115943A
Other languages
English (en)
French (fr)
Inventor
Severio Quintavella
Luciano Gargani
Original Assignee
Agip Petroli Spa Industria Italiana Petroli Spa,It
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 Agip Petroli Spa Industria Italiana Petroli Spa,It filed Critical Agip Petroli Spa Industria Italiana Petroli Spa,It
Publication of RO90375A publication Critical patent/RO90375A/ro

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/022—Foaming unrestricted by cavity walls, e.g. without using moulds or using only internal cores
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • B29C44/105—Applying counter-pressure during expanding the counterpressure being exerted by a fluid
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • 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
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • 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
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/18—Cross-linking a thermoplastic linear foam during molding
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/64—Processes of using preform in molding

Landscapes

  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Materials For Medical Uses (AREA)
  • Artificial Filaments (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
  • Peptides Or Proteins (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)
  • Molding Of Porous Articles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Gyroscopes (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
RO84115943A 1983-10-14 1984-10-10 Procedeu pentru obtinerea unor articole din polietilena RO90375A (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8323300A IT1207987B (it) 1983-10-14 1983-10-14 Procedimento per la produzione di polietilene reticolato espanso.

Publications (1)

Publication Number Publication Date
RO90375A true RO90375A (ro) 1986-10-30

Family

ID=11205841

Family Applications (1)

Application Number Title Priority Date Filing Date
RO84115943A RO90375A (ro) 1983-10-14 1984-10-10 Procedeu pentru obtinerea unor articole din polietilena

Country Status (21)

Country Link
US (1) US4559190A (ro)
EP (1) EP0138265B1 (ro)
JP (1) JPS6097833A (ro)
AT (1) ATE41945T1 (ro)
AU (1) AU571588B2 (ro)
BG (1) BG43008A3 (ro)
CA (1) CA1224614A (ro)
CS (1) CS253595B2 (ro)
DD (1) DD232717A5 (ro)
DE (1) DE3477573D1 (ro)
DK (1) DK159928C (ro)
ES (1) ES8601253A1 (ro)
GR (1) GR80625B (ro)
HU (1) HU199528B (ro)
IT (1) IT1207987B (ro)
NO (1) NO844086L (ro)
PL (1) PL145298B1 (ro)
RO (1) RO90375A (ro)
TR (1) TR22421A (ro)
YU (1) YU45211B (ro)
ZA (1) ZA848008B (ro)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0254705A3 (fr) * 1986-07-25 1990-03-14 Fina Research S.A. Procédé de production de mousse de polyoléfines réticulées et mousses ainsi obtenues
LU86529A1 (fr) * 1986-07-25 1988-02-02 Labofina Sa Procede de production de mousse de polyolefines reticulees et mousses ainsi obtenues
JPS63288731A (ja) * 1987-05-21 1988-11-25 Furukawa Electric Co Ltd:The ポリプロピレン樹脂系発泡体シ−トの製造方法
US4976902A (en) * 1988-10-04 1990-12-11 Rubatex Corporation Molding method for producing expanded polyolefin foam
CN1031122C (zh) * 1991-08-20 1996-02-28 安顺企业股份有限公司 乙烯-醋酸乙烯共聚物发泡鞋中底的制法
FR2721170A1 (fr) * 1994-06-15 1995-12-22 Lucien Jaffres Flotteur pour la pêche à la ligne.
GB0019171D0 (en) * 2000-08-05 2000-09-27 Zotefoams Plc Process for the preparation of cross linked expanded polymer film
FR2856659B1 (fr) * 2003-06-30 2005-09-23 Brosserie Soc Gen De Flacon chimiquement resistant pour produits cosmetiques.
JP2005255988A (ja) * 2004-02-10 2005-09-22 Sumitomo Chemical Co Ltd 押出発泡成形用エチレン−α−オレフィン共重合体および押出発泡成形品
EP2177335A1 (en) * 2008-10-17 2010-04-21 Grupo Antolin-Ingenieria S.A. Procedure for obtaining a foamed laminar product

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1478692A (ro) * 1965-04-15 1967-07-12
DE1694163A1 (de) * 1966-09-28 1970-09-03 Furukawa Electric Co Ltd Verfahren zur Herstellung eines Polyolefinmischschaumstoffs
US3812225A (en) * 1967-01-23 1974-05-21 Furukawa Electric Co Ltd Method of manufacturing foamed crosslinked polyolefin slabs involving multiple expansion techniques and direct gas pressure
GB1227323A (ro) * 1968-01-31 1971-04-07
DE2543248C2 (de) * 1975-09-27 1983-11-24 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Schaumstoffbahnen aus Olefinpolymerisaten
DE2654029B2 (de) * 1976-11-27 1980-01-31 Basf Ag, 6700 Ludwigshafen Kontinuierliche Herstellung feinzelliger, vernieteter Polyolefinschaumstoffe
NO156481C (no) * 1978-09-13 1987-09-30 Bakelittfab As Fremgangsmaate til fremstilling av formlegemer av ekspandert plast.
US4435525A (en) * 1982-09-30 1984-03-06 Pennwalt Corporation Reaction of carbonylhydrazines and organic peroxides to foam unsaturated polyester resins
JPS6049039A (ja) * 1983-08-26 1985-03-18 Badische Yuka Co Ltd ポリオレフイン系樹脂発泡体粒子の製造方法
AU578020B2 (en) * 1984-04-26 1988-10-13 Sekisui Kagaku Kogyo Kabushiki Kaisha Crosslinkable and foamable polyolefin composition

Also Published As

Publication number Publication date
DD232717A5 (de) 1986-02-05
DK490284A (da) 1985-04-15
PL145298B1 (en) 1988-08-31
HUT37950A (en) 1986-03-28
EP0138265B1 (en) 1989-04-05
US4559190A (en) 1985-12-17
AU3416484A (en) 1985-04-18
JPS6097833A (ja) 1985-05-31
CA1224614A (en) 1987-07-28
DK159928B (da) 1990-12-31
DK490284D0 (da) 1984-10-12
EP0138265A3 (en) 1986-03-05
ES536966A0 (es) 1985-11-01
GR80625B (en) 1985-02-18
AU571588B2 (en) 1988-04-21
BG43008A3 (en) 1988-03-15
DE3477573D1 (en) 1989-05-11
NO844086L (no) 1985-04-15
ATE41945T1 (de) 1989-04-15
CS253595B2 (en) 1987-11-12
PL249997A1 (en) 1985-06-18
DK159928C (da) 1991-05-21
TR22421A (tr) 1987-05-13
YU45211B (en) 1992-05-28
ES8601253A1 (es) 1985-11-01
YU174984A (en) 1986-08-31
HU199528B (en) 1990-02-28
EP0138265A2 (en) 1985-04-24
IT1207987B (it) 1989-06-01
ZA848008B (en) 1985-07-31
IT8323300A0 (it) 1983-10-14

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