IT1030936B - Procedimento per la polimerizzazione della formaldeide - Google Patents

Procedimento per la polimerizzazione della formaldeide

Info

Publication number
IT1030936B
IT1030936B IT30818/74A IT3081874A IT1030936B IT 1030936 B IT1030936 B IT 1030936B IT 30818/74 A IT30818/74 A IT 30818/74A IT 3081874 A IT3081874 A IT 3081874A IT 1030936 B IT1030936 B IT 1030936B
Authority
IT
Italy
Prior art keywords
formaldehyde
polymerization
procedure
Prior art date
Application number
IT30818/74A
Other languages
English (en)
Inventor
P Radici
P Colombo
D Colombo
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 IT30818/74A priority Critical patent/IT1030936B/it
Priority to CH1561875A priority patent/CH621134A5/it
Priority to GB49527/75A priority patent/GB1526293A/en
Priority to JP50150714A priority patent/JPS5188594A/ja
Priority to US05/642,825 priority patent/US4000217A/en
Application granted granted Critical
Publication of IT1030936B publication Critical patent/IT1030936B/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
    • C08G2/08—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
    • 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
    • C08G2/38—Block or graft polymers prepared by polymerisation of aldehydes or ketones on to macromolecular compounds

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)
IT30818/74A 1974-12-20 1974-12-20 Procedimento per la polimerizzazione della formaldeide IT1030936B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT30818/74A IT1030936B (it) 1974-12-20 1974-12-20 Procedimento per la polimerizzazione della formaldeide
CH1561875A CH621134A5 (en) 1974-12-20 1975-12-02 Process for preparing polyoxymethylenes
GB49527/75A GB1526293A (en) 1974-12-20 1975-12-02 Process for the polymerization of formaldehyde
JP50150714A JPS5188594A (it) 1974-12-20 1975-12-19
US05/642,825 US4000217A (en) 1974-12-20 1975-12-22 Process for the polymerization of formaldehyde in the presence of anionically polymerized lactam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30818/74A IT1030936B (it) 1974-12-20 1974-12-20 Procedimento per la polimerizzazione della formaldeide

Publications (1)

Publication Number Publication Date
IT1030936B true IT1030936B (it) 1979-04-10

Family

ID=11232256

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30818/74A IT1030936B (it) 1974-12-20 1974-12-20 Procedimento per la polimerizzazione della formaldeide

Country Status (5)

Country Link
US (1) US4000217A (it)
JP (1) JPS5188594A (it)
CH (1) CH621134A5 (it)
GB (1) GB1526293A (it)
IT (1) IT1030936B (it)

Families Citing this family (4)

* 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
US10557674B1 (en) * 2018-10-11 2020-02-11 Dimitrios Mantas Buffer assembly for firearms
US12196515B1 (en) 2023-07-10 2025-01-14 Dimitrios Mantas Recoil mechanism for a firearm
US12123674B1 (en) 2023-08-08 2024-10-22 Dimitrios Mantas External elastic skin-based recoil reduction mechanism for a firearm

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
JPS50151262A (it) * 1974-05-29 1975-12-04

Also Published As

Publication number Publication date
JPS5188594A (it) 1976-08-03
US4000217A (en) 1976-12-28
GB1526293A (en) 1978-09-27
CH621134A5 (en) 1981-01-15

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