FR2232570A1 - Insulating sheets of foamed phenol-aldehyde resin - having on faces hard skins of heat hardenable resin - Google Patents

Insulating sheets of foamed phenol-aldehyde resin - having on faces hard skins of heat hardenable resin

Info

Publication number
FR2232570A1
FR2232570A1 FR7321041A FR7321041A FR2232570A1 FR 2232570 A1 FR2232570 A1 FR 2232570A1 FR 7321041 A FR7321041 A FR 7321041A FR 7321041 A FR7321041 A FR 7321041A FR 2232570 A1 FR2232570 A1 FR 2232570A1
Authority
FR
France
Prior art keywords
resin
mould
insulating sheets
heat
heat hardenable
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.)
Granted
Application number
FR7321041A
Other languages
French (fr)
Other versions
FR2232570B1 (en
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
Esso Research and Engineering 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 Exxon Research and Engineering Co, Esso Research and Engineering Co filed Critical Exxon Research and Engineering Co
Priority to FR7321041A priority Critical patent/FR2232570A1/en
Publication of FR2232570A1 publication Critical patent/FR2232570A1/en
Application granted granted Critical
Publication of FR2232570B1 publication Critical patent/FR2232570B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
    • 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
    • C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C08J2361/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with monohydric phenols
    • C08J2361/10—Phenol-formaldehyde condensates

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)
  • Laminated Bodies (AREA)

Abstract

Title prod. is obtd. by foaming and aq. mixt of components necessary for formation of the heat-hardenable phenol-aldehyde resin, in contact with mould confining members in which the surface of the mould is coated with a surface active agent in amt sufficient to cause the cells in contact with the mould to collapse and form a hard, non-crumbling skin of heat hardenable resion on the foam. The hard skin makes the sheet abrasion-resistant, gives it support against pressure, and eliminates the need for application of a paper sheet to the surface as in known materials of this kind. The sheets can be used as building materials.
FR7321041A 1973-06-08 1973-06-08 Insulating sheets of foamed phenol-aldehyde resin - having on faces hard skins of heat hardenable resin Granted FR2232570A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7321041A FR2232570A1 (en) 1973-06-08 1973-06-08 Insulating sheets of foamed phenol-aldehyde resin - having on faces hard skins of heat hardenable resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7321041A FR2232570A1 (en) 1973-06-08 1973-06-08 Insulating sheets of foamed phenol-aldehyde resin - having on faces hard skins of heat hardenable resin

Publications (2)

Publication Number Publication Date
FR2232570A1 true FR2232570A1 (en) 1975-01-03
FR2232570B1 FR2232570B1 (en) 1977-05-06

Family

ID=9120732

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7321041A Granted FR2232570A1 (en) 1973-06-08 1973-06-08 Insulating sheets of foamed phenol-aldehyde resin - having on faces hard skins of heat hardenable resin

Country Status (1)

Country Link
FR (1) FR2232570A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH409369A (en) * 1962-09-06 1966-03-15 Rocma Anstalt Manufacturing process by molding elements in expanded materials
FR1584675A (en) * 1967-09-25 1969-12-26

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH409369A (en) * 1962-09-06 1966-03-15 Rocma Anstalt Manufacturing process by molding elements in expanded materials
FR1584675A (en) * 1967-09-25 1969-12-26

Also Published As

Publication number Publication date
FR2232570B1 (en) 1977-05-06

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse