CA2319319A1 - Procede et appareil de fabrication des mousses d'uree-formol - Google Patents

Procede et appareil de fabrication des mousses d'uree-formol Download PDF

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Publication number
CA2319319A1
CA2319319A1 CA 2319319 CA2319319A CA2319319A1 CA 2319319 A1 CA2319319 A1 CA 2319319A1 CA 2319319 CA2319319 CA 2319319 CA 2319319 A CA2319319 A CA 2319319A CA 2319319 A1 CA2319319 A1 CA 2319319A1
Authority
CA
Canada
Prior art keywords
foams
foam
foaming
chamber
urea
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA 2319319
Other languages
English (en)
Inventor
Jacques Menard
Shou Song Zhang
Gisele Fortin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA 2319319 priority Critical patent/CA2319319A1/fr
Publication of CA2319319A1 publication Critical patent/CA2319319A1/fr
Abandoned legal-status Critical Current

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
    • C08J9/122—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
    • 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
    • B29C44/367—Feeding the material to be shaped using spray nozzles
    • 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
    • C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08J2361/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08J2361/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
CA 2319319 2000-09-11 2000-09-11 Procede et appareil de fabrication des mousses d'uree-formol Abandoned CA2319319A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2319319 CA2319319A1 (fr) 2000-09-11 2000-09-11 Procede et appareil de fabrication des mousses d'uree-formol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2319319 CA2319319A1 (fr) 2000-09-11 2000-09-11 Procede et appareil de fabrication des mousses d'uree-formol

Publications (1)

Publication Number Publication Date
CA2319319A1 true CA2319319A1 (fr) 2002-03-11

Family

ID=4167126

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2319319 Abandoned CA2319319A1 (fr) 2000-09-11 2000-09-11 Procede et appareil de fabrication des mousses d'uree-formol

Country Status (1)

Country Link
CA (1) CA2319319A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004113428A1 (fr) * 2003-06-24 2004-12-29 Agro Biomass Consult Aps Procede de melange et d'homogeneisation d'agents de liaison et d'additifs
CN111050902A (zh) * 2017-08-21 2020-04-21 Otex公司 吸收剂和用于制备吸收剂的设备

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004113428A1 (fr) * 2003-06-24 2004-12-29 Agro Biomass Consult Aps Procede de melange et d'homogeneisation d'agents de liaison et d'additifs
CN111050902A (zh) * 2017-08-21 2020-04-21 Otex公司 吸收剂和用于制备吸收剂的设备

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Legal Events

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