GB1030745A - Aldehyde polymerisation process - Google Patents

Aldehyde polymerisation process

Info

Publication number
GB1030745A
GB1030745A GB2252362A GB2252362A GB1030745A GB 1030745 A GB1030745 A GB 1030745A GB 2252362 A GB2252362 A GB 2252362A GB 2252362 A GB2252362 A GB 2252362A GB 1030745 A GB1030745 A GB 1030745A
Authority
GB
United Kingdom
Prior art keywords
initiator
polymerization
degradation
sodium
polymer
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
GB2252362A
Other languages
English (en)
Inventor
Charles Kenneth Warren
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to US285861A priority Critical patent/US3305531A/en
Priority to US285860A priority patent/US3305530A/en
Publication of GB1030745A publication Critical patent/GB1030745A/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
    • C08G2/06—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
    • 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
    • C08G2/12—Polymerisation of acetaldehyde or cyclic oligomers thereof
    • 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
    • C08G2/14—Polymerisation of single aldehydes not provided for in groups C08G2/08 - C08G2/12
    • 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
    • C08G2/28—Post-polymerisation treatments

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
GB2252362A 1962-06-12 1962-06-12 Aldehyde polymerisation process Expired GB1030745A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US285861A US3305531A (en) 1962-06-12 1963-06-06 Process for the production of polyaldehydes
US285860A US3305530A (en) 1962-06-12 1963-06-06 Aldehyde polymerisation process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2270162A GB1026802A (en) 1962-06-13 1962-06-13 Improved process for the production of polyaldehydes

Publications (1)

Publication Number Publication Date
GB1030745A true GB1030745A (en) 1966-05-25

Family

ID=10183706

Family Applications (3)

Application Number Title Priority Date Filing Date
GB2252362A Expired GB1030745A (en) 1962-06-12 1962-06-12 Aldehyde polymerisation process
GB4297064A Expired GB1030746A (en) 1962-06-13 1962-06-12 Aldehyde polymerisation process
GB2270162A Expired GB1026802A (en) 1962-06-12 1962-06-13 Improved process for the production of polyaldehydes

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB4297064A Expired GB1030746A (en) 1962-06-13 1962-06-12 Aldehyde polymerisation process
GB2270162A Expired GB1026802A (en) 1962-06-12 1962-06-13 Improved process for the production of polyaldehydes

Country Status (3)

Country Link
BE (2) BE633470A (is)
GB (3) GB1030745A (is)
NL (2) NL293877A (is)

Also Published As

Publication number Publication date
GB1026802A (en) 1966-04-20
GB1030746A (en) 1966-05-25
BE633470A (is)
NL293837A (is)
BE633469A (is)
NL293877A (is)

Similar Documents

Publication Publication Date Title
US2517945A (en) Polymeric organosilanol-boronic acid reaction products and method for making same
US3926918A (en) Process for producing polyvinyl acetal
US3293221A (en) Process for the production of copolymers of formaldehyde or trioxane
US3318848A (en) Melt hydrolysis of oxymethylene copolymers
US3018269A (en) Polymeric compositions, shaped articles therefrom and process of preparation
US3208963A (en) Novel terpolymers
US2376354A (en) Stabilized dioxolanes
US3080350A (en) Preparation of polyvinyl alcohol
ES440200A1 (es) Un procedimiento para la polimerizacion de acrilonitrilo.
GB1030745A (en) Aldehyde polymerisation process
US3219725A (en) Segmented oxymethylene block copolymers
US2194613A (en) Process for making polyvinyl acetal resins
US3642756A (en) Method for increasing the capacity of a polymerization vessel during polymerization of vinyl chloride monomer in aqueous suspension
US3200104A (en) Method of making fully hydrolyzed polyvinyl alcohol products
US2227975A (en) Polyvinyl resin containing acetal and/or ketal groups and process for preparing it
US3166532A (en) Process for polymerizing an aromatic dialdehyde
US3395125A (en) Linear polyglutaraldehyde
US3148097A (en) Solid solutions of lithium perchlorate in polymer
US2582055A (en) Improved method for polymerizing vinyl acetate in tertiary butyl alcohol
US3033843A (en) Preparation of polyvinyl alcohol
US3244672A (en) Alpha, beta-unsaturated ether stabilized polyoxymethylenes and a process for preparing the same
US3382214A (en) Vinyl pyridine copolymers comprising segments having hydroxy substituents thereon and a process for their preparation
US3256245A (en) Production of high molecular weight polyoxymethylenes
US3313846A (en) Polyethers and method of making same
US2820025A (en) Homopolymers from 2, 2, 2-trifluoroethyl vinyl ether