ATE290041T1 - Mikrozellulares schaumstoff- extrusions/blasformverfahren und damit hergestellter gegenstand - Google Patents

Mikrozellulares schaumstoff- extrusions/blasformverfahren und damit hergestellter gegenstand

Info

Publication number
ATE290041T1
ATE290041T1 AT98964150T AT98964150T ATE290041T1 AT E290041 T1 ATE290041 T1 AT E290041T1 AT 98964150 T AT98964150 T AT 98964150T AT 98964150 T AT98964150 T AT 98964150T AT E290041 T1 ATE290041 T1 AT E290041T1
Authority
AT
Austria
Prior art keywords
foams
blow molding
molding process
made therefrom
article made
Prior art date
Application number
AT98964150T
Other languages
English (en)
Inventor
Jere R Anderson
Richard S Straff
Kelvin Okamoto
Kent Blizard
David Pierick
Original Assignee
Trexel Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26748661&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE290041(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Trexel Inc filed Critical Trexel Inc
Application granted granted Critical
Publication of ATE290041T1 publication Critical patent/ATE290041T1/de

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    • 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
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
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    • 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
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • Y10T428/249986—Void-containing component contains also a solid fiber or solid particle
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/253—Cellulosic [e.g., wood, paper, cork, rayon, etc.]
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CN1285856A (zh) 2001-02-28
US20020155272A1 (en) 2002-10-24
DE69829208D1 (de) 2005-04-07
JP4778141B2 (ja) 2011-09-21
EP1040158A1 (de) 2000-10-04
US20020172739A1 (en) 2002-11-21
EP1040158B2 (de) 2012-04-18
CA2315234A1 (en) 1999-07-01
EP1040158B1 (de) 2005-03-02
CN1265955C (zh) 2006-07-26
WO1999032544A1 (en) 1999-07-01
DE69829208T3 (de) 2012-10-25
US6294115B1 (en) 2001-09-25
US6169122B1 (en) 2001-01-02
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