IN150551B - - Google Patents

Info

Publication number
IN150551B
IN150551B IN1356/CAL/78A IN1356CA1978A IN150551B IN 150551 B IN150551 B IN 150551B IN 1356CA1978 A IN1356CA1978 A IN 1356CA1978A IN 150551 B IN150551 B IN 150551B
Authority
IN
India
Application number
IN1356/CAL/78A
Other languages
English (en)
Inventor
Tetsuo Komori
Original Assignee
Japan Styrene Paper 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 Japan Styrene Paper Corp filed Critical Japan Styrene Paper Corp
Publication of IN150551B publication Critical patent/IN150551B/en

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
    • C08J9/0014—Use of organic additives
    • C08J9/0023—Use of organic additives containing oxygen
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • B29C48/525—Conical screws
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • 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
    • 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
    • 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
    • Y10S264/13—Cell size and distribution control while molding a foam

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Emergency Medicine (AREA)
  • Materials Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Molding Of Porous Articles (AREA)
IN1356/CAL/78A 1977-12-13 1978-12-20 IN150551B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14952977A JPS5481370A (en) 1977-12-13 1977-12-13 Method of making polyolefin foam

Publications (1)

Publication Number Publication Date
IN150551B true IN150551B (fr) 1982-11-13

Family

ID=15477121

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1356/CAL/78A IN150551B (fr) 1977-12-13 1978-12-20

Country Status (6)

Country Link
US (1) US4217319A (fr)
JP (1) JPS5481370A (fr)
DE (1) DE2853863C2 (fr)
FR (1) FR2411853A1 (fr)
GB (1) GB2012770B (fr)
IN (1) IN150551B (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825339B2 (ja) * 1978-03-28 1983-05-26 旭化成株式会社 ポリオレフイン系樹脂発泡体の製造方法
JPS56125437A (en) * 1980-03-10 1981-10-01 Asahi Chem Ind Co Ltd Foaming synthetic resin composition
US4455272A (en) * 1982-03-29 1984-06-19 Standard Oil Company (Indiana) Method of extruding a polystyrene foam using both a physical blowing agent and water
US4521541A (en) * 1983-02-09 1985-06-04 International Flavors & Fragrances Inc. Process for forming functional fluid and solid-containing thermoplastic films, uses thereof and process for producing same
US4663361A (en) * 1985-12-24 1987-05-05 The Dow Chemical Company Expandable polyolefin compositions and preparation process utilizing isobutane blowing agent
US5026736A (en) * 1987-02-24 1991-06-25 Astro-Valcour, Inc. Moldable shrunken thermoplastic polymer foam beads
US5059376A (en) * 1989-04-20 1991-10-22 Astro-Valcour, Incorporated Methods for rapid purging of blowing agents from foamed polymer products
US5317044A (en) * 1989-05-16 1994-05-31 J. M. Huber Corporation Endothermic blowing agents for surface migration of components in foamed products, compositions and applications
US5302455A (en) * 1989-05-16 1994-04-12 J. M. Huber Corporation Endothermic blowing agents compositions and applications
US5252618A (en) * 1989-05-16 1993-10-12 J. M. Huber Corporation Endothermic blowing agents for strengthening weld lines in molded thermoplastic resins and products
US5250224A (en) * 1989-05-16 1993-10-05 J. M. Huber Corporation Foamed products containing endothermic blowing agents and processes
AU635035B2 (en) * 1989-05-16 1993-03-11 J.M. Huber Corporation Endothermic blowing agents compositions and applications
JP3135238B2 (ja) * 1989-06-26 2001-02-13 株式会社ジェイ エス ピー オレフィン系樹脂予備発泡粒子
US5089533A (en) * 1990-02-26 1992-02-18 The Dow Chemical Company Olefin polymer compositions comprising glycerol monoesters of c20-24 fatty acids and foamed articles prepared therefrom
US5391335A (en) * 1990-12-26 1995-02-21 The Furukawa Electric Co., Ltd. Method of producing a foam-insulated electric wire using a blowing agent mixture
JPH08863B2 (ja) * 1990-12-27 1996-01-10 積水化成品工業株式会社 ポリスチレン系樹脂発泡体の製造方法
AU2182992A (en) † 1991-04-30 1992-12-21 Dow Chemical Company, The Perforated plastic foam and process for making
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
US5895614A (en) * 1995-08-22 1999-04-20 Tenneco Protective Packaging Inc. Method of forming a microcellular foam plank
AU708997B2 (en) * 1996-02-01 1999-08-19 Dennis A. Knaus Stability control agent composition for polyolefin foam
US5776389A (en) * 1996-06-20 1998-07-07 The Dow Chemical Company Process for making an alkenyl aromatic polymer foam having enlarged cell size
US5698144A (en) * 1996-08-08 1997-12-16 Tenneco Protective Packaging, Inc. Process for producing low density polyethylenic foam with atmospheric gases and polyglycols or polyglycol ethers
US5993706A (en) * 1996-08-08 1999-11-30 Tenneco Protective Packaging, Inc. Oxygenated hydrocarbon compatibilizing agent for carbon dioxide-blown polyolefinic foams
US5817705A (en) * 1996-10-15 1998-10-06 Tenneco Protective Packaging Inc. Short time frame process for producing extruded closed cell low density propylene polymer foams
US6225363B1 (en) 1998-04-07 2001-05-01 Pactiv Corporation Foamable composition using high density polyethylene
US6114025A (en) * 1998-06-15 2000-09-05 Tenneco Protective Packaging, Inc. Foam and film/foam laminates using linear low density polyethylene
CA2426013C (fr) * 2000-10-24 2009-09-15 Dow Global Technologies Inc. Procede de preparation anhydre pour mousse de polymere thermoplastique multimodale, et mousse connexe
TR200300730T2 (tr) * 2000-11-23 2004-08-23 Thermaflex Intermaflex Holding B.V. Aşırı esnek boru izolasyonu
WO2002051919A2 (fr) 2000-12-21 2002-07-04 Dow Global Technologies Inc. Compositions d'agent d'expansion contenant des hydrocarbures fluores et un alcool a point d'ebullition bas et/ou un compose carbonyle a point d'ebullition bas
KR20030064859A (ko) 2000-12-21 2003-08-02 다우 글로벌 테크놀로지스 인크. 표준 액상 하이드로플루오로카본과 이산화탄소를 함유하는발포제 조성물 및 중합체성 포움
US7045556B2 (en) * 2002-07-02 2006-05-16 Pactiv Corporation Polyolefin foams made with isopentane-based blowing agents
GB2395948A (en) * 2002-12-06 2004-06-09 Pactiv Europ B V Polyolefin foam
US7166248B2 (en) * 2003-01-03 2007-01-23 Pactiv Corporation Reduced VOC emission alkenyl aromatic polymer foams and processes
JP5698607B2 (ja) * 2011-06-02 2015-04-08 株式会社ジェイエスピー ポリエチレン系樹脂積層発泡シートの製造方法
JP7350482B2 (ja) * 2018-12-18 2023-09-26 株式会社カネカ 無架橋ポリエチレン系樹脂押出発泡ボードおよびその製造方法
RU2737426C1 (ru) * 2020-02-27 2020-11-30 Дмитрий Михайлович Абрамов Способ получения вспененного полиэтилена с добавлением аэрогеля

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3287477A (en) * 1964-11-12 1966-11-22 Koppers Co Inc Process and apparatus for extruding a foamed plastic
GB1210626A (en) 1968-02-19 1970-10-28 Haveg Industries Inc Improvements in or relating to extrusion of foams of olefin polymers
US3644230A (en) * 1968-02-19 1972-02-22 Haskon Inc Extrusion process for polyolefin foam
US3755208A (en) * 1970-10-23 1973-08-28 Haskon Inc Avoidance of cell collapse in an extrusion process for a copolymer based on a low molecular weight {60 -olefin and polar vinyl monomer
US3786018A (en) * 1971-10-07 1974-01-15 Exxon Research Engineering Co Introducing additives in polyolefins
JPS52511A (en) * 1975-06-22 1977-01-05 Nippon Keieiki Kk Japanese typewriter feed pitch control device

Also Published As

Publication number Publication date
US4217319A (en) 1980-08-12
FR2411853B1 (fr) 1983-05-27
GB2012770A (en) 1979-08-01
GB2012770B (en) 1982-05-19
DE2853863C2 (de) 1983-12-08
JPS5481370A (en) 1979-06-28
FR2411853A1 (fr) 1979-07-13
DE2853863A1 (de) 1979-06-21

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