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
translation
machine
legally binding
google translate
heating
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)
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
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 (es)
BE (1) BE615777A (es)
DE (1) DE1165267B (es)
ES (1) ES275974A1 (es)
GB (1) GB939473A (es)
NL (2) NL135599C (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE635478A (es) * 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 (es) * 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 (es) * 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
GB939473A (en) 1963-10-16
NL135599C (es)
NL275998A (es)
US3226366A (en) 1965-12-28
BE615777A (fr) 1962-07-16
DE1165267B (de) 1964-03-12

Similar Documents

Publication Publication Date Title
ES275974A1 (es) Procedimiento para preparar polioximetilenos estables frente al calentamiento
BE614664A (fr) Procédé de préparation de nouveaux polyesters linéaires.
BE642478A (fr) Mousses de polyuréthane et procédé pout leur préparation.
FR1244686A (fr) Procédé de préparation de glycidylpolyéthers de faible poids moléculaire, de polyphénols
BE608622A (fr) Procédé de fabrication de polyoxyméthylènes de poids moléculaire élevé
ES234790A1 (es) UN MÉTODO PARA PREPARAR UN COMPUESTO PARA SU EMP`LEO EN LA PREPARACIoN DE ARTiCULOS REFRACTARIOS
ES281718A1 (es) Un procedimiento para rebajar el grado de polimerización de hidroxietilcelulosa
FR1169059A (fr) Procédé de préparation des octahalogéno-méthylène-tétrahydrophtalanes fluorés en alpha et en alpha, alpha'
FR1339198A (fr) Procédé de préparation de poly-oxyméthylènes à poids moléculaire élevé
SARLE et al. Properties of Hardened Copper-Beryllium Strip After Exposures to Elevated Temperatures
BE592071A (fr) Nouveaux dérivés pyrazoliques et leur procédé de préparation.
FR1330650A (fr) Procédé de préparation de polyoxyméthylène de bonne stabilité thermique
ES351429A1 (es) Procedimiento para la polimerizacion de una glicolida.
FR1258637A (fr) Procédé de préparation d'acétates d'énols
GB1020218A (en) A process for the acetylation of polyoxymethylenes of high molecular weight
ES264175A3 (es) Procedimiento de fabricaciën de composiciones resinosas
CA523788A (en) Process for preparing low molecular weight copolymers of relative homogeneity, copolymers produced thereby and compositions containing the same
FR1274403A (fr) Procédé de préparation de nouveaux androstanes dioxygénés en 11, 18
ES254436A1 (es) Procedimiento para la obtencion de policarbonatos de elevado peso molecular
ES267079A3 (es) Un procedimiento para preparar copolimeros de estireno itaconato dimetilico
AU262666B2 (en) Polyoxymethylenes stabilized against heating by acetylation
FR1307391A (fr) Procédé de fabrication de polyoxyméthylènes de poids moléculaire élevé
FR1322582A (fr) Procédé de préparation de polyoxyméthylènes à poids moléculaires élevés
FR1251470A (fr) Procédé de préparation continue de polyalcools, notamment de pentaérythritol
ES269805A1 (es) Procedimiento y aparato para la producciën y despacho de helados