IT1032389B - Procedimento per la produzione di polimeri espansi in particolare nella forma di oggetti sagomati - Google Patents

Procedimento per la produzione di polimeri espansi in particolare nella forma di oggetti sagomati

Info

Publication number
IT1032389B
IT1032389B IT48701/75A IT4870175A IT1032389B IT 1032389 B IT1032389 B IT 1032389B IT 48701/75 A IT48701/75 A IT 48701/75A IT 4870175 A IT4870175 A IT 4870175A IT 1032389 B IT1032389 B IT 1032389B
Authority
IT
Italy
Prior art keywords
procedure
production
shaped objects
expanded polymers
polymers
Prior art date
Application number
IT48701/75A
Other languages
English (en)
Original Assignee
Pennwalt 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 Pennwalt Corp filed Critical Pennwalt Corp
Application granted granted Critical
Publication of IT1032389B publication Critical patent/IT1032389B/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
    • C08J9/06—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 chemical blowing agent
    • C08J9/10—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 chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • 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
    • C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
    • 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)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polymerisation Methods In General (AREA)
IT48701/75A 1974-03-21 1975-03-20 Procedimento per la produzione di polimeri espansi in particolare nella forma di oggetti sagomati IT1032389B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45344674A 1974-03-21 1974-03-21
US05/548,946 US3993609A (en) 1974-03-21 1975-02-11 Process for preparing foamed structures

Publications (1)

Publication Number Publication Date
IT1032389B true IT1032389B (it) 1979-05-30

Family

ID=27037116

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48701/75A IT1032389B (it) 1974-03-21 1975-03-20 Procedimento per la produzione di polimeri espansi in particolare nella forma di oggetti sagomati

Country Status (8)

Country Link
US (1) US3993609A (it)
JP (1) JPS50157485A (it)
CA (1) CA1043050A (it)
DE (1) DE2512582A1 (it)
FR (1) FR2274640A1 (it)
GB (1) GB1495301A (it)
IT (1) IT1032389B (it)
NL (1) NL7503250A (it)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101464A (en) * 1975-02-11 1978-07-18 Pennwalt Corporation Process for preparing foamed solids using two or more azo compounds
US4148854A (en) * 1976-04-29 1979-04-10 Freeman Chemical Corporation Matched die molding of fiber reinforced plastic articles
JPS5918401B2 (ja) * 1976-08-16 1984-04-27 三井東圧化学株式会社 塩化ビニル（共）重合体の製造方法
US4167613A (en) * 1976-09-15 1979-09-11 Pennwalt Corporation Process for foaming a polymerizable medium using acid sensitive azo compounds with a polymerizable monomer and free radical inhibitor
US4228069A (en) * 1979-03-22 1980-10-14 Pennwalt Corporation Azoxy compound having use in a process for preparing foamed structures
US4218370A (en) * 1979-05-14 1980-08-19 Pennwalt Corporation Azo monomer useful in polymerization systems
IL60886A (en) * 1980-08-20 1984-03-30 Yissum Res Dev Co Method for producing permeable polymeric membranes
US4394461A (en) * 1982-09-30 1983-07-19 Uniroyal, Inc. Azocarboxylate blowing agent
US4393148A (en) * 1982-09-30 1983-07-12 Pennwalt Corporation Reaction of t-alkylhydrazinium salts and ogranic peroxides to foam unsaturated polyester resins
US4482649A (en) * 1984-02-21 1984-11-13 Phoenix Foam Inc. Plastics cellular material and method of making
US4588753A (en) * 1984-02-21 1986-05-13 Alexander Miutel Plastics cellular material
AU598026B2 (en) * 1986-07-28 1990-06-14 Dow Chemical Company, The Methods for preparing a formed cellular plastic material pattern employed in metal casting
CA1302647C (en) * 1987-07-28 1992-06-02 Norman Glenn Moll Expandable and expanded plastic materials and methods for casting metal castings employing such expanded cellular plastic materials
US4743623A (en) * 1987-08-12 1988-05-10 The Dow Chemical Company Process for foaming polymeric compositions with organic azo compounds and compositions associated therewith
US4772640A (en) * 1987-08-12 1988-09-20 The Dow Chemical Company Process for foaming polymeric compositions with organic azo compounds and compositions associated therewith
US5032653A (en) * 1988-06-28 1991-07-16 Exxon Chemical Patents, Inc. Direct synthesis by cationic polymerization of nitrogen-containing polymers
US5006567A (en) * 1988-10-11 1991-04-09 The Dow Chemical Company Process for foaming polymer compositions with hydrazone compounds and compositions associated therewith
US4877815A (en) * 1989-02-17 1989-10-31 E. I. Du Pont De Nemours And Company Nucleating agents for thermoplastic resins
US5032621A (en) * 1989-02-17 1991-07-16 E. I. Du Pont De Nemours And Company Nucleating agents for thermoplastic resins
US5294647A (en) * 1991-06-25 1994-03-15 Atlas Roofing Corporation Method of producing rigid foams and products produced therefrom
US5342859A (en) * 1991-06-25 1994-08-30 Atlas Roofing Corporation Method of producing rigid foams and products produced therefrom
US5166182A (en) * 1992-03-23 1992-11-24 Atlas Roofing Corporation Thermosetting plastic foams and methods of production thereof using novel blowing agents
US5444135A (en) * 1992-12-17 1995-08-22 Exxon Chemical Patents Inc. Direct synthesis by living cationic polymerization of nitrogen-containing polymers
US5368794A (en) * 1993-03-26 1994-11-29 Ou; Jerry Method of making plastic reinforced by natural fibers
DE4344224A1 (de) * 1993-12-23 1995-06-29 Stockhausen Chem Fab Gmbh Vernetzte synthetische Polymerisate mit poröser Struktur, hoher Aufnahmegeschwindigkeit für Wasser, wäßrige Lösungen und Körperflüssigkeiten, ein Verfahren zu ihrer Herstellung und ihre Verwendung zur Absorption und/oder Retention von Wasser und/oder wäßrigen Flüssigkeiten
US6306919B1 (en) 1995-07-03 2001-10-23 Exxonmobil Chemical Patents, Inc. Thermosetting plastic foam
US20030158277A1 (en) * 1995-07-03 2003-08-21 Blanpied Robert H. Method of producing rigid foams and products produced therefrom
US6150457A (en) * 1998-11-23 2000-11-21 Bayer Corporation One-component thermoset coating compositions
US6395795B1 (en) 2000-09-29 2002-05-28 Ausimont Usa, Inc. Titanium dioxide nucleating agent systems for foamable polymer compositions
US6866923B2 (en) * 2000-11-15 2005-03-15 Atlas Roofing Corporation Thermosetting plastic foams and methods of production thereof using adhesion additives
US20040126564A1 (en) * 2000-11-15 2004-07-01 Atlas Roofing Corporation Thermosetting plastic foams and methods of production thereof using adhesion additives
CN119387041B (zh) * 2024-11-07 2025-11-21 贵州大学 一种利用废钢-硫化矿电偶腐蚀作用抑制硫化矿浮选的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2576073A (en) * 1946-01-19 1951-11-20 American Cyanamid Co Fabricated structure comprising porous compositions of matter
US3260688A (en) * 1962-08-10 1966-07-12 Toyo Koatsu Ind Inc Resin compositions for producing cellular masses and process for producing a cellular product
US3677981A (en) * 1969-06-25 1972-07-18 Shinetsu Chemical Co Silicone elastomeric compositions and a method for preparing silicone sponge rubbers therefrom

Also Published As

Publication number Publication date
US3993609A (en) 1976-11-23
NL7503250A (nl) 1975-09-23
FR2274640A1 (fr) 1976-01-09
JPS50157485A (it) 1975-12-19
GB1495301A (en) 1977-12-14
CA1043050A (en) 1978-11-21
DE2512582A1 (de) 1975-09-25

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