IT1113268B - Procedimento per la produzione di espanso morbido di polimero etilenico - Google Patents

Procedimento per la produzione di espanso morbido di polimero etilenico

Info

Publication number
IT1113268B
IT1113268B IT48138/77A IT4813877A IT1113268B IT 1113268 B IT1113268 B IT 1113268B IT 48138/77 A IT48138/77 A IT 48138/77A IT 4813877 A IT4813877 A IT 4813877A IT 1113268 B IT1113268 B IT 1113268B
Authority
IT
Italy
Prior art keywords
production
ethylene polymer
soft foam
polymer soft
foam
Prior art date
Application number
IT48138/77A
Other languages
English (en)
Italian (it)
Inventor
Poo Park Chung
Herbert Griffin Warren
John Marvin Carbett
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of IT1113268B publication Critical patent/IT1113268B/it

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
    • C08J9/04—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
    • C08J9/12—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 physical blowing agent
    • C08J9/14—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 physical blowing agent organic
    • C08J9/143—Halogen containing compounds
    • C08J9/147—Halogen containing compounds containing carbon and halogen atoms only
    • 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
    • C08J2323/08—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
    • Y10S264/05—Use of one or more blowing agents together

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT48138/77A 1976-02-27 1977-02-21 Procedimento per la produzione di espanso morbido di polimero etilenico IT1113268B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66191176A 1976-02-27 1976-02-27

Publications (1)

Publication Number Publication Date
IT1113268B true IT1113268B (it) 1986-01-20

Family

ID=24655613

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48138/77A IT1113268B (it) 1976-02-27 1977-02-21 Procedimento per la produzione di espanso morbido di polimero etilenico

Country Status (16)

Country Link
US (1) US4101467A (US20100268047A1-20101021-C00003.png)
JP (1) JPS5844091B2 (US20100268047A1-20101021-C00003.png)
AU (1) AU507018B2 (US20100268047A1-20101021-C00003.png)
BE (1) BE851820A (US20100268047A1-20101021-C00003.png)
BR (1) BR7701176A (US20100268047A1-20101021-C00003.png)
CA (1) CA1079450A (US20100268047A1-20101021-C00003.png)
CH (1) CH629516A5 (US20100268047A1-20101021-C00003.png)
DE (1) DE2708122A1 (US20100268047A1-20101021-C00003.png)
DK (1) DK85577A (US20100268047A1-20101021-C00003.png)
ES (1) ES456084A1 (US20100268047A1-20101021-C00003.png)
FR (1) FR2342314A1 (US20100268047A1-20101021-C00003.png)
GB (1) GB1541964A (US20100268047A1-20101021-C00003.png)
IT (1) IT1113268B (US20100268047A1-20101021-C00003.png)
NL (1) NL7701616A (US20100268047A1-20101021-C00003.png)
NO (1) NO146541C (US20100268047A1-20101021-C00003.png)
SE (1) SE417978B (US20100268047A1-20101021-C00003.png)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215202A (en) * 1979-02-22 1980-07-29 The Dow Chemical Company Soft ethylenic polymer blend foams
JPS55125128A (en) * 1979-03-15 1980-09-26 Dow Chemical Co Low density extrusion foam of ethylenic polymer
DE2965605D1 (en) * 1979-05-16 1983-07-14 Dow Chemical Co Process for continuously manufacturing polyolefin resin foam
US4407982A (en) * 1981-02-06 1983-10-04 Du Pont Canada Inc. Process for the manufacture of foamed structures
US4528300A (en) * 1984-01-31 1985-07-09 The Dow Chemical Company Process for producing dimensionally stable polyolefin foams using environmentally acceptable blowing agent systems
US4694026A (en) * 1985-05-24 1987-09-15 The Dow Chemical Company Polyolefin foam compositions having improved dimensional stability utilizing certain unsaturated nitrogen-containing compounds and process for making same
BR8705389A (pt) * 1986-01-22 1988-02-23 Dow Chemical Co Composicoes de poliolefinas expansiveis e processo para a preparacao de espumas de poliolefinas
US5277515A (en) * 1988-10-13 1994-01-11 Applied Extrusion Technologies, Inc. Extruded ethylenic polymer foam containing both open and closed cells
US5098782A (en) * 1988-10-13 1992-03-24 Applied Extrusion Technologies, Inc. Extruded ethylenic polymer foam containing both open and closed cells
GB2226030A (en) * 1988-12-13 1990-06-20 Ici Plc Blowing agent
FR2662944B2 (fr) * 1989-11-10 1992-09-04 Atochem Nouveau melange azeotropique a bas point d'ebullition a base de fluoroalcanes et ses applications.
US6121337A (en) * 1990-03-23 2000-09-19 E. I. Du Pont De Nemours And Company Compositions containing 1,1,2,2-tetrafluoroethane (HFC-134) for closed-cell polymer foam production
US5147896A (en) * 1991-05-20 1992-09-15 E. I. Du Pont De Nemours And Company Foam blowing agent composition and process for producing foams
US5225451A (en) * 1992-08-27 1993-07-06 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
US5290822A (en) * 1992-08-27 1994-03-01 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
US6090479A (en) * 1995-06-26 2000-07-18 Sekisui Kagaku Kogyo Kabushiki Kaisha Shape-recoverable resin foamed product
KR970001426A (ko) * 1995-06-26 1997-01-24 타다시 마츠다 수지발포체, 그 제조방법 및 적층체
US5895614A (en) * 1995-08-22 1999-04-20 Tenneco Protective Packaging Inc. Method of forming a microcellular foam plank
US6323245B1 (en) 2000-08-24 2001-11-27 Sealed Air Corporation (Us) Blowing agent, polyolefin foam, and process for producing polyolefin foam
US7166248B2 (en) * 2003-01-03 2007-01-23 Pactiv Corporation Reduced VOC emission alkenyl aromatic polymer foams and processes
US6726577B1 (en) * 2003-01-21 2004-04-27 Almost Golf, Inc. Golf ball of unitary molded construction
EP2129710B1 (en) * 2007-03-29 2011-11-09 Arkema, Inc. Hydrofluoropropene blowing agents for polystyrene
US8226906B2 (en) 2008-09-08 2012-07-24 Zygem Corporation Limited Sample collection device suitable for low-volume extraction

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491032A (en) 1964-09-02 1970-01-20 Dow Chemical Co High density polyolefin foams
US3379802A (en) 1964-11-04 1968-04-23 Dow Chemical Co Foamed olefin copolymer blends
US3449268A (en) * 1966-05-31 1969-06-10 Dow Chemical Co Process for making foamable isotactic polystyrene
US3657165A (en) * 1968-10-11 1972-04-18 Sekisui Chemical Co Ltd Process for preparation of ethylenic resin foam
FR2211943A5 (en) 1972-12-26 1974-07-19 Dow Chemical Co Expandable alpha-olefin copolymer granules - having improved shelf life

Also Published As

Publication number Publication date
ES456084A1 (es) 1978-06-16
JPS5844091B2 (ja) 1983-09-30
SE417978B (sv) 1981-04-27
US4101467A (en) 1978-07-18
DE2708122A1 (de) 1977-09-08
NO146541C (no) 1982-10-27
FR2342314B1 (US20100268047A1-20101021-C00003.png) 1978-10-20
SE7702140L (sv) 1977-08-28
CH629516A5 (de) 1982-04-30
NO770611L (no) 1977-08-30
AU507018B2 (en) 1980-01-31
CA1079450A (en) 1980-06-10
GB1541964A (en) 1979-03-14
NO146541B (no) 1982-07-12
NL7701616A (nl) 1977-08-30
BE851820A (fr) 1977-08-25
AU2254377A (en) 1978-08-31
DK85577A (da) 1977-08-28
FR2342314A1 (fr) 1977-09-23
BR7701176A (pt) 1977-10-18
JPS52110774A (en) 1977-09-17

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