IT1030931B - Procedimento per la preparazione e la stabilizzazione dei polios simetiueni - Google Patents

Procedimento per la preparazione e la stabilizzazione dei polios simetiueni

Info

Publication number
IT1030931B
IT1030931B IT30813/74A IT3081374A IT1030931B IT 1030931 B IT1030931 B IT 1030931B IT 30813/74 A IT30813/74 A IT 30813/74A IT 3081374 A IT3081374 A IT 3081374A IT 1030931 B IT1030931 B IT 1030931B
Authority
IT
Italy
Prior art keywords
simetiueni
polyos
stabilization
procedure
preparation
Prior art date
Application number
IT30813/74A
Other languages
English (en)
Inventor
P Colombo
R Croce
P Radici
Original Assignee
Sir Soc Italiana Resine 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 Sir Soc Italiana Resine Spa filed Critical Sir Soc Italiana Resine Spa
Priority to IT30813/74A priority Critical patent/IT1030931B/it
Priority to CH1537175A priority patent/CH620232A5/it
Priority to ZA757529A priority patent/ZA757529B/xx
Priority to GB49681/75A priority patent/GB1526294A/en
Priority to US05/639,139 priority patent/US4000215A/en
Priority to DE2557124A priority patent/DE2557124C2/de
Application granted granted Critical
Publication of IT1030931B publication Critical patent/IT1030931B/it

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
    • C08G2/06—Catalysts
    • 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
    • C08G2/08—Polymerisation of formaldehyde
    • 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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
IT30813/74A 1974-12-20 1974-12-20 Procedimento per la preparazione e la stabilizzazione dei polios simetiueni IT1030931B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT30813/74A IT1030931B (it) 1974-12-20 1974-12-20 Procedimento per la preparazione e la stabilizzazione dei polios simetiueni
CH1537175A CH620232A5 (en) 1974-12-20 1975-11-27 Process for the preparation and simultaneous stabilisation of polyoxymethylenes
ZA757529A ZA757529B (en) 1974-12-20 1975-12-01 Process for the preparation and the simultaneous stabilization of polyoxymethylene
GB49681/75A GB1526294A (en) 1974-12-20 1975-12-03 Process for the preparation and the simultaneous stabilization of polyoxymethylene
US05/639,139 US4000215A (en) 1974-12-20 1975-12-09 Process for the preparation and the simultaneous stabilization of polyoxymethylene
DE2557124A DE2557124C2 (de) 1974-12-20 1975-12-16 Verfahren zur Herstellung und gleichzeitigen Stabilisierung von Polyoxymethylen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30813/74A IT1030931B (it) 1974-12-20 1974-12-20 Procedimento per la preparazione e la stabilizzazione dei polios simetiueni

Publications (1)

Publication Number Publication Date
IT1030931B true IT1030931B (it) 1979-04-10

Family

ID=11232217

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30813/74A IT1030931B (it) 1974-12-20 1974-12-20 Procedimento per la preparazione e la stabilizzazione dei polios simetiueni

Country Status (6)

Country Link
US (1) US4000215A (it)
CH (1) CH620232A5 (it)
DE (1) DE2557124C2 (it)
GB (1) GB1526294A (it)
IT (1) IT1030931B (it)
ZA (1) ZA757529B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1043744B (it) * 1975-10-30 1980-02-29 Sir Soc Italiana Resine Spa Copolimeri a blocchi
US4355153A (en) * 1980-11-19 1982-10-19 Societa' Italiana Resine S.I.R. S.P.A. Process for the polymerization of formaldehyde

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993025A (en) * 1956-07-26 1961-07-18 Du Pont Polyoxymethylene compositions stabilized with a synthetic superpolyamide
NL275396A (it) * 1961-03-29
US3235624A (en) * 1962-12-04 1966-02-15 Tenneco Chem Stabilized polyoxymethylene compositions
US3288885A (en) * 1963-04-04 1966-11-29 Tenneco Chem Composition for stabilizing polyacetals comprising (1) nu-acyl-p-aminophenol, (2) a superpolyamide, and (3) a diester of a thiodialkanoic acid
IT1006689B (it) * 1973-12-28 1976-10-20 Sir Soc Italiana Resine Spa Procedimento per la polimerizza zione della formaldeide

Also Published As

Publication number Publication date
GB1526294A (en) 1978-09-27
US4000215A (en) 1976-12-28
ZA757529B (en) 1976-11-24
DE2557124A1 (de) 1976-07-01
DE2557124C2 (de) 1986-04-24
CH620232A5 (en) 1980-11-14

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