GB1336828A - Method for polymerizing formaldehyde - Google Patents

Method for polymerizing formaldehyde

Info

Publication number
GB1336828A
GB1336828A GB2513172A GB2513172A GB1336828A GB 1336828 A GB1336828 A GB 1336828A GB 2513172 A GB2513172 A GB 2513172A GB 2513172 A GB2513172 A GB 2513172A GB 1336828 A GB1336828 A GB 1336828A
Authority
GB
United Kingdom
Prior art keywords
catalyst
formaldehyde
phenylacetylacetone
reaction
litre
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
GB2513172A
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.)
Ube Corp
Original Assignee
Ube Industries Ltd
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 Ube Industries Ltd filed Critical Ube Industries Ltd
Publication of GB1336828A publication Critical patent/GB1336828A/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
    • C08G2/08—Polymerisation of formaldehyde

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)
  • Polyethers (AREA)
GB2513172A 1971-10-19 1972-05-30 Method for polymerizing formaldehyde Expired GB1336828A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46082124A JPS4935839B2 (enExample) 1971-10-19 1971-10-19

Publications (1)

Publication Number Publication Date
GB1336828A true GB1336828A (en) 1973-11-14

Family

ID=13765651

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2513172A Expired GB1336828A (en) 1971-10-19 1972-05-30 Method for polymerizing formaldehyde

Country Status (7)

Country Link
US (1) US3804808A (enExample)
JP (1) JPS4935839B2 (enExample)
DE (1) DE2226620C3 (enExample)
FR (1) FR2156718B1 (enExample)
GB (1) GB1336828A (enExample)
IT (1) IT964068B (enExample)
NL (1) NL7210220A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026047A1 (en) * 1979-08-23 1981-04-01 Ube Industries, Ltd. Process for polymerizing formaldehyde
EP0028499A1 (en) * 1979-11-06 1981-05-13 Ube Industries, Ltd. Process for polymerizing formaldehyde

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10215978A1 (de) * 2002-04-11 2003-10-23 Basf Ag Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren
DE10215976A1 (de) * 2002-04-11 2003-10-23 Basf Ag Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren III
WO2013076286A1 (en) 2011-11-24 2013-05-30 Ticona Gmbh Process for the production of trioxane
US10829467B2 (en) 2018-03-29 2020-11-10 Celanese Sales Germany Gmbh Process for producing a cyclic acetal in a heterogeneous reaction system
CN114591538B (zh) * 2022-03-25 2022-12-13 山东共聚有机硅技术研究院有限公司 甲基乙酰丙酮基硅烷稳定剂及其制备方法和应用

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026047A1 (en) * 1979-08-23 1981-04-01 Ube Industries, Ltd. Process for polymerizing formaldehyde
EP0028499A1 (en) * 1979-11-06 1981-05-13 Ube Industries, Ltd. Process for polymerizing formaldehyde

Also Published As

Publication number Publication date
DE2226620C3 (de) 1974-09-05
IT964068B (it) 1974-01-21
JPS4935839B2 (enExample) 1974-09-26
NL7210220A (enExample) 1973-04-25
JPS4847592A (enExample) 1973-07-06
DE2226620A1 (de) 1973-05-03
US3804808A (en) 1974-04-16
FR2156718B1 (enExample) 1974-10-25
FR2156718A1 (enExample) 1973-06-01
DE2226620B2 (de) 1974-02-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee