NL298169A - - Google Patents

Info

Publication number
NL298169A
NL298169A NL298169DA NL298169A NL 298169 A NL298169 A NL 298169A NL 298169D A NL298169D A NL 298169DA NL 298169 A NL298169 A NL 298169A
Authority
NL
Netherlands
Application number
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.)
Publication of NL298169A publication Critical patent/NL298169A/xx
Priority claimed from US133783A external-priority patent/US3219630A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/06Catalysts
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/04Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/08Polymerisation of formaldehyde
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/18Copolymerisation of aldehydes or ketones
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/18Copolymerisation of aldehydes or ketones
    • C08G2/20Copolymerisation of aldehydes or ketones with other aldehydes or ketones
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/66Polyesters containing oxygen in the form of ether groups
    • C08G63/668Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/672Dicarboxylic acids and dihydroxy 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)
NL298169D 1961-08-25 NL298169A (en:Method)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US133783A US3219630A (en) 1961-08-25 1961-08-25 Production of branched chain polyoxymethylene polycarboxylates
US225113A US3216972A (en) 1961-08-25 1962-09-20 Production of high molecular weight polymers of formaldehyde
US293843A US3305529A (en) 1961-08-25 1963-07-09 Polymerization of formaldehyde in the presence of a polyvalent metal chelate of a beta-diketone

Publications (1)

Publication Number Publication Date
NL298169A true NL298169A (en:Method)

Family

ID=27384472

Family Applications (2)

Application Number Title Priority Date Filing Date
NL298169D NL298169A (en:Method) 1961-08-25
NL135961D NL135961C (en:Method) 1961-08-25

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL135961D NL135961C (en:Method) 1961-08-25

Country Status (6)

Country Link
US (2) US3216972A (en:Method)
DE (1) DE1242873B (en:Method)
FR (1) FR1398747A (en:Method)
GB (2) GB1018282A (en:Method)
NL (2) NL135961C (en:Method)
SE (1) SE307854B (en:Method)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298169A (en:Method) * 1961-08-25
GB970031A (en) * 1962-06-04 1964-09-16 Nippon Synthetic Chem Ind Polymerization of aldehydes
NL299151A (en:Method) * 1962-10-13
BE638529A (en:Method) * 1962-10-13
DE1301542B (de) 1963-01-29 1969-08-21 Ube Industries Verfahren zur Herstellung von Copolymerisaten des Formaldehyds
US3275603A (en) * 1963-04-25 1966-09-27 Tenneco Chem Polymerization of formaldehyde
US3405094A (en) * 1963-04-30 1968-10-08 Dai Cellu Kabushiki Kaisha Process for stabilizing aldehyde polymers
US3446776A (en) * 1964-11-14 1969-05-27 Sumitomo Chemical Co Process for producing high molecular weight polymer of formaldehyde
US3457227A (en) * 1965-03-11 1969-07-22 Continental Oil Co Preparation of polyoxymethylene using metal acetylacetonate polymerization catalysts
US3350358A (en) * 1966-07-22 1967-10-31 Eastman Kodak Co Process for preparing essentially ash-free polymers of aldehydes
US3639347A (en) * 1967-07-28 1972-02-01 Ube Industries Process for the preparation of high molecular weight polyoxy-methylene
US3506615A (en) * 1968-01-17 1970-04-14 Celanese Corp Polymerization of oxymethylene and methylene sulfide forming monomers by metal acetylacetonates
EP0028499B1 (en) * 1979-11-06 1984-02-01 Ube Industries, Ltd. Process for polymerizing formaldehyde
US6541549B2 (en) * 1999-11-01 2003-04-01 Crompton Corporation Non-xenoestrogenic stabilizers for organic materials
DE10215976A1 (de) * 2002-04-11 2003-10-23 Basf Ag Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren III
DE10215978A1 (de) * 2002-04-11 2003-10-23 Basf Ag Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren
RU2235573C2 (ru) * 2002-06-28 2004-09-10 ООО "Научно-технический центр "Версия" Устройство генерирования и рассеивания специальных материалов
RU2257527C2 (ru) * 2003-03-24 2005-07-27 Военно-инженерный Университет Установка генерирования и рассеивания специальных материалов
CN101817057B (zh) * 2010-04-21 2012-01-11 沈阳汇亚通铸造材料有限责任公司 一种铸造用自硬砂慢型固化剂及砂型的制备
US9499512B2 (en) 2011-11-24 2016-11-22 Ticona Gmbh Process for producing a cyclic acetal in a heterogeneous reaction system
JP2021519781A (ja) 2018-03-29 2021-08-12 セラニーズ・セールス・ジャーマニー・ゲーエムベーハー 不均一反応系における環状アセタールの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3016297A (en) * 1956-02-13 1962-01-09 Du Pont Photopolymerizable compositions comprising polymeric chelates and their use in the preparation of reliefs
US3046251A (en) * 1959-03-11 1962-07-24 Bayer Ag Process for the acylation of polyoxymethylenes
FR1300492A (fr) * 1960-09-17 1962-08-03 Bayer Ag Préparation des polyoxyméthylènes à poids moléculaire élevé par polymérisation du formaldéhyde
US3111503A (en) * 1961-04-06 1963-11-19 Du Pont Metal chelates as initiators for the polymerization of formaldehyde
US3219630A (en) * 1961-08-25 1965-11-23 Tenneco Chem Production of branched chain polyoxymethylene polycarboxylates
NL298169A (en:Method) * 1961-08-25

Also Published As

Publication number Publication date
FR1398747A (fr) 1965-05-14
DE1520058A1 (de) 1970-04-16
GB1037777A (en) 1966-08-03
NL135961C (en:Method)
GB1018282A (en) 1966-01-26
DE1242873B (de) 1967-06-22
US3216972A (en) 1965-11-09
SE307854B (en:Method) 1969-01-20
DE1520058B2 (de) 1973-04-12
US3305529A (en) 1967-02-21

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