IN188233B - - Google Patents
Info
- Publication number
- IN188233B IN188233B IN287MA1995A IN188233B IN 188233 B IN188233 B IN 188233B IN 287MA1995 A IN287MA1995 A IN 287MA1995A IN 188233 B IN188233 B IN 188233B
- 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
- C08J9/04—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
- C08J9/127—Mixtures of organic and inorganic blowing agents
-
- 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
- B29C44/34—Auxiliary operations
- B29C44/3469—Cell or pore nucleation
- B29C44/348—Cell or pore nucleation by regulating the temperature and/or the pressure, e.g. suppression of foaming until the pressure is rapidly decreased
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/834—Cooling
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—Cooling
-
- 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
- C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
-
- 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
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
-
- 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
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU57773/94 | 1994-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN188233B true IN188233B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 2002-08-31 |
Family
ID=3743119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN287MA1995 IN188233B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1994-03-11 | 1995-03-10 |
Country Status (10)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5158986A (en) | 1991-04-05 | 1992-10-27 | Massachusetts Institute Of Technology | Microcellular thermoplastic foamed with supercritical fluid |
| DE4437860A1 (de) † | 1994-10-22 | 1996-04-25 | Basf Ag | Verfahren zur Herstellung von mikrozellulären Schäumen |
| WO1997006935A1 (en) * | 1995-08-14 | 1997-02-27 | Massachusetts Institute Of Technology | Gear throttle as a nucleation device in a continuous microcellular extrusion system |
| WO1998008667A2 (en) | 1996-08-27 | 1998-03-05 | Trexel, Inc. | Method and apparatus for microcellular polymer extrusion |
| US6884377B1 (en) | 1996-08-27 | 2005-04-26 | Trexel, Inc. | Method and apparatus for microcellular polymer extrusion |
| US6884823B1 (en) | 1997-01-16 | 2005-04-26 | Trexel, Inc. | Injection molding of polymeric material |
| US6235380B1 (en) | 1997-07-24 | 2001-05-22 | Trexel, Inc. | Lamination of microcellular articles |
| US6706223B1 (en) | 1997-12-19 | 2004-03-16 | Trexel, Inc. | Microcelluar extrusion/blow molding process and article made thereby |
| CN1265955C (zh) | 1997-12-19 | 2006-07-26 | 特瑞塞尔公司 | 微孔泡沫塑料的挤塑/吹塑方法和借此制作的制品 |
| US6231942B1 (en) | 1998-01-21 | 2001-05-15 | Trexel, Inc. | Method and apparatus for microcellular polypropylene extrusion, and polypropylene articles produced thereby |
| US6322347B1 (en) * | 1999-04-02 | 2001-11-27 | Trexel, Inc. | Methods for manufacturing foam material including systems with pressure restriction element |
| JP2004523375A (ja) | 2000-09-29 | 2004-08-05 | トレクセル・インコーポレーテッド | 絵付成形物品及び方法 |
| JP4563739B2 (ja) * | 2004-07-09 | 2010-10-13 | 株式会社日本製鋼所 | 押出成形品の製造方法および製造装置 |
| JP5277006B2 (ja) * | 2009-01-30 | 2013-08-28 | 積水化成品工業株式会社 | ポリスチレン系樹脂発泡体及びポリスチレン系樹脂発泡体の製造方法 |
| JP5466858B2 (ja) * | 2009-01-30 | 2014-04-09 | 積水化成品工業株式会社 | 断熱性シート及び断熱性シートの製造方法 |
| EP2918388A1 (en) * | 2014-03-10 | 2015-09-16 | Sulzer Chemtech AG | A process to recycle expandable plastic materials and an expandable or expanded plastic material obtainable thereby |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU529339B2 (en) * | 1978-11-13 | 1983-06-02 | Monsanto Company | Extruded polyalkenyl foam |
| US5286429A (en) * | 1988-06-27 | 1994-02-15 | Mobil Oil Corporation | High melt index polystyrene foam and method |
| US5250577A (en) * | 1989-08-02 | 1993-10-05 | The Dow Chemical Company | Polystyrene foam made with only carbon dioxide as a blowing agent and a process for making the same |
| DE4000542A1 (de) * | 1990-01-10 | 1991-07-11 | Basf Ag | Schaumstoffplatten mit hoher waermeformbestaendigkeit |
| BR9101167A (pt) * | 1990-04-06 | 1991-11-05 | Dow Chemical Co | Composicao polimerica espumavel,processo para produzir um produto de espuma e produto de espuma |
| EP0464581B1 (de) * | 1990-07-04 | 1995-02-22 | BASF Aktiengesellschaft | Verfahren zur Herstellung von Schaumstoffplatten mit hoher Druckfestigkeit |
| 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 |
| WO1993014923A1 (en) * | 1992-01-24 | 1993-08-05 | E.I. Du Pont De Nemours And Company | A flexible polymeric foam for use as an insulator and a moisture retardant and a process for producing it |
| US5332761A (en) * | 1992-06-09 | 1994-07-26 | The Dow Chemical Company | Flexible bimodal foam structures |
| US5269987A (en) * | 1992-12-22 | 1993-12-14 | Reedy Michael E | Process for producing alkenyl aromatic foams using a combination of atmospheric and organic gases and foams produced thereby |
| US5348984A (en) * | 1993-01-28 | 1994-09-20 | Sealed Air Corporation | Expandable composition and process for extruded thermoplastic foams |
-
1995
- 1995-03-09 EP EP95912079A patent/EP0749455A4/en not_active Withdrawn
- 1995-03-09 BR BR9507102A patent/BR9507102A/pt not_active Application Discontinuation
- 1995-03-09 CA CA002185221A patent/CA2185221A1/en not_active Abandoned
- 1995-03-09 JP JP7523123A patent/JPH09509975A/ja active Pending
- 1995-03-09 NZ NZ282337A patent/NZ282337A/en not_active IP Right Cessation
- 1995-03-09 AU AU19413/95A patent/AU1941395A/en not_active Abandoned
- 1995-03-09 WO PCT/AU1995/000127 patent/WO1995024440A1/en not_active Application Discontinuation
- 1995-03-10 CO CO95009620A patent/CO4410417A1/es unknown
- 1995-03-10 IN IN287MA1995 patent/IN188233B/en unknown
- 1995-03-13 PE PE1995263936A patent/PE22495A1/es not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0749455A1 (en) | 1996-12-27 |
| CO4410417A1 (es) | 1997-01-09 |
| MX9603699A (es) | 1997-12-31 |
| BR9507102A (pt) | 1997-09-09 |
| JPH09509975A (ja) | 1997-10-07 |
| WO1995024440A1 (en) | 1995-09-14 |
| NZ282337A (en) | 1997-11-24 |
| CA2185221A1 (en) | 1995-09-14 |
| AU1941395A (en) | 1995-09-25 |
| EP0749455A4 (en) | 1998-02-11 |
| PE22495A1 (es) | 1995-08-07 |