FR1533423A - Stabilization process by heat treatment of formaldehyde-based copolymers, and copolymers which are particularly stable to heat resulting therefrom - Google Patents

Stabilization process by heat treatment of formaldehyde-based copolymers, and copolymers which are particularly stable to heat resulting therefrom

Info

Publication number
FR1533423A
FR1533423A FR109650A FR109650A FR1533423A FR 1533423 A FR1533423 A FR 1533423A FR 109650 A FR109650 A FR 109650A FR 109650 A FR109650 A FR 109650A FR 1533423 A FR1533423 A FR 1533423A
Authority
FR
France
Prior art keywords
copolymers
formaldehyde
heat
resulting therefrom
particularly stable
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.)
Expired
Application number
FR109650A
Other languages
French (fr)
Inventor
Ferenc Szilagyi
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.)
Produits Chimiques Pechiney Saint Gobain
Original Assignee
Produits Chimiques Pechiney Saint Gobain
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 Produits Chimiques Pechiney Saint Gobain filed Critical Produits Chimiques Pechiney Saint Gobain
Priority to FR109650A priority Critical patent/FR1533423A/en
Application granted granted Critical
Publication of FR1533423A publication Critical patent/FR1533423A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/30—Chemical modification by after-treatment
    • C08G2/36—Chemical modification by after-treatment by depolymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/28—Post-polymerisation treatments

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
FR109650A 1967-06-08 1967-06-08 Stabilization process by heat treatment of formaldehyde-based copolymers, and copolymers which are particularly stable to heat resulting therefrom Expired FR1533423A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR109650A FR1533423A (en) 1967-06-08 1967-06-08 Stabilization process by heat treatment of formaldehyde-based copolymers, and copolymers which are particularly stable to heat resulting therefrom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR109650A FR1533423A (en) 1967-06-08 1967-06-08 Stabilization process by heat treatment of formaldehyde-based copolymers, and copolymers which are particularly stable to heat resulting therefrom

Publications (1)

Publication Number Publication Date
FR1533423A true FR1533423A (en) 1968-07-19

Family

ID=8632639

Family Applications (1)

Application Number Title Priority Date Filing Date
FR109650A Expired FR1533423A (en) 1967-06-08 1967-06-08 Stabilization process by heat treatment of formaldehyde-based copolymers, and copolymers which are particularly stable to heat resulting therefrom

Country Status (1)

Country Link
FR (1) FR1533423A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233277A (en) * 1975-02-03 1980-11-11 Ppg Industries, Inc. Preparing refractory metal boride powder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233277A (en) * 1975-02-03 1980-11-11 Ppg Industries, Inc. Preparing refractory metal boride powder

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