NL135961C - - Google Patents

Info

Publication number
NL135961C
NL135961C NL135961DA NL135961C NL 135961 C NL135961 C NL 135961C NL 135961D A NL135961D A NL 135961DA NL 135961 C NL135961 C NL 135961C
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 NL135961C publication Critical patent/NL135961C/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)
NL135961D 1961-08-25 NL135961C (xx)

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
NL135961C true NL135961C (xx)

Family

ID=27384472

Family Applications (2)

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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL298169D NL298169A (xx) 1961-08-25

Country Status (6)

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

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298169A (xx) * 1961-08-25
GB970031A (en) * 1962-06-04 1964-09-16 Nippon Synthetic Chem Ind Polymerization of aldehydes
NL299151A (xx) * 1962-10-13
BE638529A (xx) * 1962-10-13
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
US3491063A (en) * 1964-11-14 1970-01-20 Sumitomo Chemical Co Method for polymerizing 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
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
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
KR20140102241A (ko) 2011-11-24 2014-08-21 티코나 게엠베하 수성 폼알데하이드 공급원으로부터 트라이옥산의 제조 방법
CN111971276A (zh) 2018-03-29 2020-11-20 塞拉尼斯销售德国有限公司 在非均相反应体系中生产环状缩醛的方法

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
NL298169A (xx) * 1961-08-25
US3219630A (en) * 1961-08-25 1965-11-23 Tenneco Chem Production of branched chain polyoxymethylene polycarboxylates

Also Published As

Publication number Publication date
DE1520058A1 (de) 1970-04-16
DE1242873B (de) 1967-06-22
GB1037777A (en) 1966-08-03
FR1398747A (fr) 1965-05-14
US3305529A (en) 1967-02-21
DE1520058B2 (de) 1973-04-12
US3216972A (en) 1965-11-09
SE307854B (xx) 1969-01-20
GB1018282A (en) 1966-01-26
NL298169A (xx)

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