IT944768B - Schiume di polistirene estruse e loro metodo di preparazione - Google Patents

Schiume di polistirene estruse e loro metodo di preparazione

Info

Publication number
IT944768B
IT944768B IT53771/71A IT5377171A IT944768B IT 944768 B IT944768 B IT 944768B IT 53771/71 A IT53771/71 A IT 53771/71A IT 5377171 A IT5377171 A IT 5377171A IT 944768 B IT944768 B IT 944768B
Authority
IT
Italy
Prior art keywords
preparation
extruded polystyrene
polystyrene foams
foams
extruded
Prior art date
Application number
IT53771/71A
Other languages
English (en)
Inventor
John Marvin Corbett
Marlin Germain Bussey
Graydon Wayne Killingbeck
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 IT944768B publication Critical patent/IT944768B/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
    • 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
    • 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
    • Y10S521/91—Plural blowing agents for producing nonpolyurethane cellular products

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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Measuring Magnetic Variables (AREA)
IT53771/71A 1970-10-29 1971-10-28 Schiume di polistirene estruse e loro metodo di preparazione IT944768B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8525870A 1970-10-29 1970-10-29

Publications (1)

Publication Number Publication Date
IT944768B true IT944768B (it) 1973-04-20

Family

ID=22190448

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53771/71A IT944768B (it) 1970-10-29 1971-10-28 Schiume di polistirene estruse e loro metodo di preparazione

Country Status (15)

Country Link
US (1) US3770668A (it)
JP (1) JPS5925814B1 (it)
AU (1) AU450286B2 (it)
BE (1) BE774606A (it)
BR (1) BR7107186D0 (it)
CA (1) CA972123A (it)
CH (1) CH562279A5 (it)
DE (1) DE2153190C2 (it)
DK (1) DK146235C (it)
FR (1) FR2111525A5 (it)
GB (1) GB1366388A (it)
IT (1) IT944768B (it)
NL (1) NL171714C (it)
NO (1) NO134216C (it)
SE (1) SE398238B (it)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2268045A1 (en) * 1974-04-19 1975-11-14 Du Pont Blowing agent for polyurethane foams - comprising trichloro-fluoromethane, ethyl chloride and methylene chloride
US4028486A (en) * 1974-06-03 1977-06-07 The Goodyear Tire & Rubber Company Alpha-methyl-p-bromo-styrene and method of preparation
US3959398A (en) * 1974-06-03 1976-05-25 The Goodyear Tire & Rubber Company Alpha-methyl-p-bromo-styrene and method of preparation
JPS5835614B2 (ja) * 1979-03-09 1983-08-03 日本スチレンペ−パ−株式会社 ポリスチレン系樹脂板状発泡体の製造法
US4229396A (en) * 1979-03-21 1980-10-21 The Dow Chemical Company Method of extruding thermoplastic resin foams having enlarged cell-sizes
JPS6049217B2 (ja) * 1979-05-07 1985-10-31 積水化成品工業株式会社 発泡性粒子の製造法
US4242465A (en) * 1979-12-31 1980-12-30 Mobil Oil Corporation Fire resistant foam insulation
US4307202A (en) * 1980-01-04 1981-12-22 The Dow Chemical Company Thermoplastic foam and process for the preparation thereof
US4306036A (en) * 1980-03-24 1981-12-15 The Dow Chemical Company Thermoplastic foam and process for the preparation thereof
JPS5744634A (en) * 1980-09-01 1982-03-13 Japan Styrene Paper Co Ltd Preparation of lamellar polystyrene resin foam
US4387169A (en) * 1981-10-01 1983-06-07 The Dow Chemical Co. Low density, extruded ethylenic polymer foams
US4476077A (en) * 1981-12-16 1984-10-09 Mobil Oil Corporation Process for preparing a poly(p-methylstyrene) foam
US4452751A (en) * 1982-02-26 1984-06-05 The Dow Chemical Company Styrena polymer foam made with α-polyolefin additives
US4419309A (en) * 1982-04-30 1983-12-06 Mobil Oil Corporation Polystyrene foam extrusion into a foam assisting atmosphere
JPH07121998B2 (ja) * 1987-02-04 1995-12-25 ダウ化工株式会社 低密度ポリスチレン系樹脂発泡体の製造方法
WO1988008013A1 (en) * 1987-04-15 1988-10-20 The Dow Chemical Company A method of extruding an alkenyl aromatic synthetic resin foamed body having closed cells
US5223324A (en) * 1988-01-29 1993-06-29 The Dow Chemical Company Flame retardant foams
US4857394A (en) * 1988-01-29 1989-08-15 The Dow Chemical Company Flame retardant foams
AU4754090A (en) * 1988-11-25 1990-06-26 Dow Chemical Company, The Polystyrene foam containing carbon black
US5120481A (en) * 1989-02-28 1992-06-09 U.C. Industries, Inc. Process for preparing extruded foam bodies
BE1004278A5 (fr) * 1989-06-09 1992-10-27 Fina Research Mousses thermoplastiques de styrene et leur preparation.
DE3930594A1 (de) * 1989-09-13 1991-03-14 Gefinex Jackon Gmbh Herstellungsverfahren fuer schaumkoerper
DE3939986A1 (de) * 1989-12-02 1991-06-06 Gefinex Gmbh Herstellungsverfahren fuer schaumkoerper
JPH0390509U (it) * 1989-12-28 1991-09-13
US5290822A (en) * 1992-08-27 1994-03-01 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
US5225451A (en) * 1992-08-27 1993-07-06 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
FR2740139B1 (fr) * 1995-10-24 1998-04-17 Ronvel Jean Louis Mousse de gel auto retractable elastomerique
DE69719203T2 (de) * 1996-10-22 2003-12-11 Owens Corning, Toledo Herstellung von cfc-freien resolschaumstoffen mittels perfluorierter ether
US5817706A (en) * 1997-08-27 1998-10-06 Owens Corning Fiberglas Technology, Inc. Manufacture of non-CFC cellular resol foams using perflurinated ethers
US20030068485A1 (en) * 2001-09-28 2003-04-10 Ramsey William J. Termite-resistant foam article

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE524084A (it) * 1950-06-29 1900-01-01
DE1135652B (de) * 1950-06-29 1962-08-30 Dow Chemical Co Ununterbrochenes Verfahren zum Herstellen eines thermoplastischen Zellkoerpers
FR1049479A (it) * 1951-09-13 1953-12-30
US2740157A (en) * 1951-12-07 1956-04-03 Dow Chemical Co Method and apparatus for shaping plastic foams
GB743364A (en) * 1952-07-26 1956-01-11 Isoleringsaktiebolaget Wmb Improvements in methods of producing porous bodies of thermoplastic material
FR76363E (fr) * 1959-09-29 1961-10-06 Procédé d'obtention d'effets décoratifs sur napperons ou articles d'ameublement en matière plastique et produits en résultant
GB950292A (en) * 1959-12-24 1964-02-26 Dow Chemical Co Cellular foamed articles from thermoplastic alkenyl aromatic polymers
GB1026796A (en) * 1963-01-16 1966-04-20 Dow Chemical Co Expanded thermoplastic resinous materials
US3539473A (en) * 1967-09-21 1970-11-10 Dow Chemical Co Method for the preparation of foamed sheet and product obtained thereby

Also Published As

Publication number Publication date
US3770668A (en) 1973-11-06
FR2111525A5 (it) 1972-06-02
AU3467771A (en) 1973-04-19
NL7114687A (it) 1972-05-03
CH562279A5 (it) 1975-05-30
AU450286B2 (en) 1974-07-04
GB1366388A (en) 1974-09-11
BE774606A (fr) 1972-04-28
DE2153190C2 (de) 1982-12-30
NO134216C (it) 1976-09-01
SE398238B (sv) 1977-12-12
JPS5925814B1 (it) 1984-06-21
DE2153190A1 (de) 1972-05-04
CA972123A (en) 1975-08-05
DK146235B (da) 1983-08-08
NO134216B (it) 1976-05-24
BR7107186D0 (pt) 1973-04-12
NL171714C (nl) 1987-05-18
DK146235C (da) 1984-01-23
NL171714B (nl) 1982-12-01

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