IT1058074B - Procedimento per la formazione di spazi cellulari in materie plastiche e masse formate con esse - Google Patents

Procedimento per la formazione di spazi cellulari in materie plastiche e masse formate con esse

Info

Publication number
IT1058074B
IT1058074B IT48858/76A IT4885876A IT1058074B IT 1058074 B IT1058074 B IT 1058074B IT 48858/76 A IT48858/76 A IT 48858/76A IT 4885876 A IT4885876 A IT 4885876A IT 1058074 B IT1058074 B IT 1058074B
Authority
IT
Italy
Prior art keywords
procedure
formation
plastic materials
cell spaces
masses formed
Prior art date
Application number
IT48858/76A
Other languages
English (en)
Italian (it)
Inventor
H Pelikan
S Titz
Original Assignee
Dynamit Nobel Ag
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 Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Application granted granted Critical
Publication of IT1058074B publication Critical patent/IT1058074B/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
    • C08J9/125—Water, e.g. hydrated salts
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying

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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Molding Of Porous Articles (AREA)
IT48858/76A 1975-04-04 1976-04-02 Procedimento per la formazione di spazi cellulari in materie plastiche e masse formate con esse IT1058074B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2514691A DE2514691C3 (de) 1975-04-04 1975-04-04 Verfahren zum Erzeugen von Zellhohlräumen in thermoplastischen Kunststoffen oder Kunststofformmassen

Publications (1)

Publication Number Publication Date
IT1058074B true IT1058074B (it) 1982-04-10

Family

ID=5943058

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48858/76A IT1058074B (it) 1975-04-04 1976-04-02 Procedimento per la formazione di spazi cellulari in materie plastiche e masse formate con esse

Country Status (5)

Country Link
US (1) US4104207A (en:Method)
JP (1) JPS51123275A (en:Method)
DE (1) DE2514691C3 (en:Method)
FR (1) FR2306066A1 (en:Method)
IT (1) IT1058074B (en:Method)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5728406A (en) * 1989-07-11 1998-03-17 Amesbury Group, Inc. Apparatus for extruding a low density thermoplastic foam
ES2134806T3 (es) * 1991-04-23 1999-10-16 Amesbury Group Inc Procedimiento para extruir espuma de baja densidad usando agua como agente de hinchamiento.
US6110404A (en) 1998-08-14 2000-08-29 Ligon Brothers Manufacturing Company Method of extruding thermoplastic elastomer foam using water as a blowing agent
US6642429B1 (en) 1999-06-30 2003-11-04 Kimberly-Clark Worldwide, Inc. Personal care articles with reduced polymer fibers
US6939496B2 (en) * 1999-12-20 2005-09-06 Psa Composites, Llc Method and apparatus for forming composite material and composite material therefrom
JP2002363325A (ja) * 2001-06-06 2002-12-18 Tadashi Hasegawa 発泡プラスチックの製造方法
US7883651B1 (en) * 2002-11-18 2011-02-08 Lords Additives LLC Lignoellulosic, borate filled, thermoplastic composites
US7718251B2 (en) 2006-03-10 2010-05-18 Amesbury Group, Inc. Systems and methods for manufacturing reinforced weatherstrip
US10329834B2 (en) 2015-02-13 2019-06-25 Amesbury Group, Inc. Low compression-force TPE weatherseals
BR112023006046A2 (pt) 2020-10-05 2023-05-09 Woamy Oy Método e aparelho para produzir espuma sólida, produto e uso
CN114775102B (zh) * 2022-04-08 2024-08-16 宁波杰出新材料有限公司 一种含气泡热塑性弹性体材料及其制备方法
CN115505202A (zh) * 2022-09-15 2022-12-23 重庆普利特新材料有限公司 一种汽车内饰用自发泡天然纤维素纤维填充聚丙烯材料及其制备方法
DE102024200357A1 (de) * 2024-01-16 2025-07-17 Volkswagen Aktiengesellschaft Verfahren zur Herstellung eines geschäumten Kunststoffbauteils

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138478A (en) * 1960-07-18 1964-06-23 Richardson Co Method of encapsulating a particulate gas-evolving agent by polymerizing a monomer onto the surface of said agent
US3502754A (en) * 1965-05-21 1970-03-24 Owens Illinois Inc Process of extruding a cellular polymeric composition
JPS5052156A (en:Method) * 1973-08-31 1975-05-09

Also Published As

Publication number Publication date
DE2514691B2 (de) 1977-10-06
US4104207A (en) 1978-08-01
FR2306066A1 (fr) 1976-10-29
DE2514691C3 (de) 1978-09-07
JPS51123275A (en) 1976-10-27
FR2306066B3 (en:Method) 1978-12-22
DE2514691A1 (de) 1976-10-14

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