ES275974A1 - Procedimiento para preparar polioximetilenos estables frente al calentamiento - Google Patents

Procedimiento para preparar polioximetilenos estables frente al calentamiento

Info

Publication number
ES275974A1
ES275974A1 ES275974A ES275974A ES275974A1 ES 275974 A1 ES275974 A1 ES 275974A1 ES 275974 A ES275974 A ES 275974A ES 275974 A ES275974 A ES 275974A ES 275974 A1 ES275974 A1 ES 275974A1
Authority
ES
Spain
Prior art keywords
polyoxymethylenes
heating
preparing stable
procedure
response
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
ES275974A
Other languages
English (en)
Spanish (es)
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.)
Montedison SpA
Original Assignee
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
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 Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA filed Critical Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
Publication of ES275974A1 publication Critical patent/ES275974A1/es
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
    • C08G2/18—Copolymerisation of aldehydes or ketones
    • 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
    • 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
    • C08G2/32—Chemical modification by after-treatment by esterification

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)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ES275974A 1961-03-30 1962-03-29 Procedimiento para preparar polioximetilenos estables frente al calentamiento Expired ES275974A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT562661 1961-03-30

Publications (1)

Publication Number Publication Date
ES275974A1 true ES275974A1 (es) 1962-09-16

Family

ID=11120350

Family Applications (1)

Application Number Title Priority Date Filing Date
ES275974A Expired ES275974A1 (es) 1961-03-30 1962-03-29 Procedimiento para preparar polioximetilenos estables frente al calentamiento

Country Status (6)

Country Link
US (1) US3226366A (OSRAM)
BE (1) BE615777A (OSRAM)
DE (1) DE1165267B (OSRAM)
ES (1) ES275974A1 (OSRAM)
GB (1) GB939473A (OSRAM)
NL (2) NL275998A (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE635478A (OSRAM) * 1962-07-27
GB997337A (en) * 1962-10-13 1965-07-07 Toyo Rayon Co Ltd A process to improve thermal stability of polyoxymethylene
DE1301545B (de) * 1963-06-14 1969-08-21 Toyo Rayon Co Ltd Verfahren zum Stabilisieren von makromolekularen Polyoxymethylenen
GB1052465A (OSRAM) * 1963-10-12
US3355428A (en) * 1964-11-25 1967-11-28 Continental Oil Co Polyoxymethylene process
US3336262A (en) * 1965-11-05 1967-08-15 Tenneco Chem Branched chain polyoxymethylene polycarboxylates
US3609124A (en) * 1967-08-01 1971-09-28 Sir Soc Italiana Resine Spa Process for stabilizing polyoxymethylenes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE394404A (OSRAM) * 1932-02-16
US2492955A (en) * 1946-08-31 1950-01-03 Shell Dev Polyoxyalkylene compounds
FR1250927A (fr) * 1959-03-09 1961-01-13 Du Pont Procédé d'estérification du polyoxyméthylène

Also Published As

Publication number Publication date
BE615777A (fr) 1962-07-16
US3226366A (en) 1965-12-28
GB939473A (en) 1963-10-16
NL135599C (OSRAM)
NL275998A (OSRAM)
DE1165267B (de) 1964-03-12

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