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
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
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- 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)
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)
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)
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 |
-
1977
- 1977-12-13 JP JP14952977A patent/JPS5481370A/ja active Pending
-
1978
- 1978-12-11 US US05/967,974 patent/US4217319A/en not_active Expired - Lifetime
- 1978-12-13 GB GB7848336A patent/GB2012770B/en not_active Expired
- 1978-12-13 FR FR7835091A patent/FR2411853A1/fr active Granted
- 1978-12-13 DE DE2853863A patent/DE2853863C2/de not_active Expired
- 1978-12-20 IN IN1356/CAL/78A patent/IN150551B/en unknown
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 |