ES8504873A1 - Procedimiento para la obtencion de espumas de poliolefina - Google Patents

Procedimiento para la obtencion de espumas de poliolefina

Info

Publication number
ES8504873A1
ES8504873A1 ES531018A ES531018A ES8504873A1 ES 8504873 A1 ES8504873 A1 ES 8504873A1 ES 531018 A ES531018 A ES 531018A ES 531018 A ES531018 A ES 531018A ES 8504873 A1 ES8504873 A1 ES 8504873A1
Authority
ES
Spain
Prior art keywords
mixture
cooling
polyolefin foams
rollers
preparing polyolefin
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
Application number
ES531018A
Other languages
English (en)
Other versions
ES531018A0 (es
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of ES531018A0 publication Critical patent/ES531018A0/es
Publication of ES8504873A1 publication Critical patent/ES8504873A1/es
Expired 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling drums
    • 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
    • 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
    • C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • 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
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/915—Utilizing electrical or wave energy during cell forming process

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Graft Or Block Polymers (AREA)
  • Measurement Of Force In General (AREA)
  • Measurement Of Radiation (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

PROCEDIMIENTO MEJORADO PARA LA OBTENCION DE ESPUMAS DE POLIOLEFINA.COMPRENDE: A) INICIAR EN LA MEZCLA DE PARTIDA HASTA UN 50 EN PESO -E UN POLIESTER BAB,BBB-INSATURADO Y EXTRUIRLO, EN UNA EXTRUSIONADORA (1); B) CONFORMAR LA MEZCLA; C) CALENTAR LA MEZCLA CON RAYOS INFRARROJOS (3); D) MEZCLAR Y ESPUMAR MEDIANTE MICROONDAS QUE SE GENERAN EN EL OENERADOR (6), A TEMPERATURAS I A LA TEMPERATURA DE DESCOMPOSICION DEL AGENTE DE RETICULACION Y DE ESPUMACION; E) ENFRIAR CON RODILLOS DE REFRIGERACION (11); F) RETIRAR LOS GASES DE ESCAPE Y ALISAR LA BANDA ESPUMADA CON LOS RODILLOS DE CALANDRA (12); Y G) ENROLLAR LA BANDA ESPUMADA SOBRE UN DISPOSITIVO BOBINADOR (13).
ES531018A 1983-03-28 1984-03-27 Procedimiento para la obtencion de espumas de poliolefina Expired ES8504873A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83103046A EP0122944B1 (de) 1983-03-28 1983-03-28 Verfahren zur Herstellung von Polyolefinschäumen

Publications (2)

Publication Number Publication Date
ES531018A0 ES531018A0 (es) 1985-05-01
ES8504873A1 true ES8504873A1 (es) 1985-05-01

Family

ID=8190377

Family Applications (1)

Application Number Title Priority Date Filing Date
ES531018A Expired ES8504873A1 (es) 1983-03-28 1984-03-27 Procedimiento para la obtencion de espumas de poliolefina

Country Status (9)

Country Link
US (1) US4578231A (es)
EP (1) EP0122944B1 (es)
JP (1) JPS59184630A (es)
AT (1) ATE28885T1 (es)
CA (1) CA1222099A (es)
DE (1) DE3372980D1 (es)
ES (1) ES8504873A1 (es)
FI (1) FI76360C (es)
ZA (1) ZA842247B (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3630930A1 (de) * 1986-09-11 1988-03-24 Roehm Gmbh Verfahren zur herstellung eines hartschaumstoffes mittels eines mikrowellen- oder hochfrequenzfeldes
US5070223A (en) * 1989-03-01 1991-12-03 Colasante David A Microwave reheatable clothing and toys
WO1991012391A1 (en) * 1990-02-06 1991-08-22 Rexrode Donald G Method of manufacturing rigid foam-filled building panels
JPH03259933A (ja) * 1990-03-12 1991-11-20 Yukiko Yoshikawa ポリオレフイン発泡体の電気化学的な製造方法
US5242634A (en) * 1991-08-06 1993-09-07 Sanwa Kako Company Limited Method of producing open-cell foams of cross-linked polyolefins
US5411683B1 (en) * 1993-08-20 2000-08-01 Sweetheart Cup Co Method for making thermoplastic foam with combined 1,1-difluoroethane and co2 blowing agent
AU707247B2 (en) * 1994-10-10 1999-07-08 Evolution Foam Mouldings Limited Process for making foam mouldings from tube blanks
DE19800036A1 (de) * 1998-01-02 1999-07-08 Volkswagen Ag Verfahren zum Verbinden von Bauteilen
AU2003273704A1 (en) * 2002-11-28 2004-06-18 Maillefer Sa Process and apparatus for heating polymer material with infrared radiation
UA79054C2 (uk) † 2003-10-01 2007-05-10 Фрітц Еггер Гмбх Унд Ко. Формувальна маса, спосіб виготовлення формованого виробу із формувальної маси і формований виріб
DE102005027019A1 (de) * 2005-06-08 2006-12-14 Kcd Kunststoffe, Additive Und Beratung Gmbh Polymercompound und daraus bestehende schäumfähige Formteile
WO2010087848A1 (en) * 2009-01-30 2010-08-05 University Of Tennessee Research Foundation Method for expansion and molding of polymeric foam
EP3911489A1 (en) 2019-01-16 2021-11-24 Evonik Operations GmbH Novel foaming process for production of foam materials
WO2020148066A1 (en) * 2019-01-16 2020-07-23 Evonik Operations Gmbh Foaming of blowing agent containing polymers through the use of microwaves

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL106999C (es) * 1955-06-30
DE1094385B (de) * 1958-08-22 1960-12-08 Emil Vogel Ges Mit Beschraenkt Verfahren zur Herstellung von Kunststoffschaeumen
US3390105A (en) * 1963-09-20 1968-06-25 Sinclair Research Inc Method of making a crosslinked polymer foam and product obtained therefrom
FR1411704A (fr) * 1964-04-29 1965-09-24 Pneumatiques, Caoutchouc Manufacture Et Plastiques Kleber Colombes Polyoléfines cellulaires
JPS5218232B1 (es) * 1966-02-05 1977-05-20
US3640913A (en) * 1969-04-17 1972-02-08 Dow Chemical Co Process for heating polymers with dielectric heating
DE2543248C2 (de) * 1975-09-27 1983-11-24 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Schaumstoffbahnen aus Olefinpolymerisaten
US4239714A (en) * 1978-11-15 1980-12-16 Washington University Method for modifying the pore size distribution of a microporous separation medium
IT1157941B (it) * 1982-05-11 1987-02-18 Bayer Italia Spa Materiale espanso poliolefinico saldabile dielettricamente

Also Published As

Publication number Publication date
ATE28885T1 (de) 1987-08-15
EP0122944B1 (de) 1987-08-12
ZA842247B (en) 1984-10-31
FI76360B (fi) 1988-06-30
ES531018A0 (es) 1985-05-01
EP0122944A1 (de) 1984-10-31
US4578231A (en) 1986-03-25
DE3372980D1 (en) 1987-09-17
JPS59184630A (ja) 1984-10-20
FI841202L (fi) 1984-09-29
CA1222099A (en) 1987-05-19
FI841202A0 (fi) 1984-03-26
FI76360C (fi) 1988-10-10

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