[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

GB1031702A - Oxymethylene polymers - Google Patents

Oxymethylene polymers

Info

Publication number
GB1031702A
GB1031702A GB4400661A GB4400661A GB1031702A GB 1031702 A GB1031702 A GB 1031702A GB 4400661 A GB4400661 A GB 4400661A GB 4400661 A GB4400661 A GB 4400661A GB 1031702 A GB1031702 A GB 1031702A
Authority
GB
United Kingdom
Prior art keywords
poly
formal
copolymer
diol
water
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
GB4400661A
Inventor
Alexander Ramsay Maund Gibb
John Brewster Rose
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
Priority to NL286437D priority Critical patent/NL286437A/xx
Priority to BE625781D priority patent/BE625781A/xx
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB4400661A priority patent/GB1031702A/en
Priority to ES283155A priority patent/ES283155A1/en
Priority to AT962762A priority patent/AT242367B/en
Priority to FR917976A priority patent/FR1359126A/en
Priority to DE19621520106 priority patent/DE1520106C3/en
Publication of GB1031702A publication Critical patent/GB1031702A/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
    • C08G2/10—Polymerisation of cyclic oligomers 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
    • C08G2/18—Copolymerisation of aldehydes or ketones
    • 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
    • C08G2/18—Copolymerisation of aldehydes or ketones
    • C08G2/20—Copolymerisation of aldehydes or ketones with other aldehydes or ketones
    • 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
    • C08G2/18—Copolymerisation of aldehydes or ketones
    • C08G2/24—Copolymerisation of aldehydes or ketones with acetals
    • 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
    • C08G2/30—Chemical modification by after-treatment
    • C08G2/36—Chemical modification by after-treatment by depolymerisation
    • 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
    • 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
    • C08G4/00—Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O—

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)

Abstract

A cyclic oligomer of formaldehyde is polymerized with a polyformal, i.e. a polymer containing the recurring unit O-CH2-O-R where R is a divalent organic radical derived from a diol by removal of the two hydroxyl groups and R may vary in the units and may be -CH2- providing the polymer contains at least 20% of R groups having at least two adjacent carbon atoms in the chain Troxane (preferred) and tetraoxymethylene are specified cyclic oligomers while specified polyformals are poly-(p-xylylene glycol formal), poly-(ethylene glycol formal), poly-(decamethylene glycol formal), poly-(but-2-ene-1,4-diol formal) and poly-(2,2,4,4-tetramethyl cyclobutane-1,4-diol formal). The polymerization may take place in the presence of an electrophilic catalyst and not more than a very small amount of water, preferably in the presence of a solvent Lewis acid, e.g. boron trifluoride alone or as a complex and ferric chloride are specified catalysts, at 50 DEG to 90 DEG C. under conditions of shear. The copolymer is heated with a weak acid, or with a solution of a base to remove any terminal oxymethylene hydroxide (-OCH2OH) groups. When treated with the base the copolymer may be in solution either in the base itself or in a mixture of water with a water-miscible alcohol or ketone, or an ether preferably under reflux. The copolymer may then be end-group stabilized, e.g. by reaction with a carboxylic acid anhydride.
GB4400661A 1961-12-08 1961-12-08 Oxymethylene polymers Expired GB1031702A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL286437D NL286437A (en) 1961-12-08
BE625781D BE625781A (en) 1961-12-08
GB4400661A GB1031702A (en) 1961-12-08 1961-12-08 Oxymethylene polymers
ES283155A ES283155A1 (en) 1961-12-08 1962-12-06 Procedure for obtaining oxymethylene copolymers (Machine-translation by Google Translate, not legally binding)
AT962762A AT242367B (en) 1961-12-08 1962-12-07 Process for the preparation of a copolymer containing oxymethylene units
FR917976A FR1359126A (en) 1961-12-08 1962-12-07 Copolymers containing oxymethylene units and their manufacturing process
DE19621520106 DE1520106C3 (en) 1961-12-08 1962-12-08 Process for the preparation of copolymers of trioxane

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB4400661A GB1031702A (en) 1961-12-08 1961-12-08 Oxymethylene polymers
GB557362 1962-02-13
GB618462 1962-02-16

Publications (1)

Publication Number Publication Date
GB1031702A true GB1031702A (en) 1966-06-02

Family

ID=27254656

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4400661A Expired GB1031702A (en) 1961-12-08 1961-12-08 Oxymethylene polymers

Country Status (4)

Country Link
BE (1) BE625781A (en)
ES (1) ES283155A1 (en)
GB (1) GB1031702A (en)
NL (1) NL286437A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7001959B2 (en) 2002-11-05 2006-02-21 Ticona Gmbh Polyoxymethylene copolymers, their preparation and use

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7001959B2 (en) 2002-11-05 2006-02-21 Ticona Gmbh Polyoxymethylene copolymers, their preparation and use

Also Published As

Publication number Publication date
NL286437A (en)
DE1520106B2 (en) 1975-06-26
ES283155A1 (en) 1963-03-01
BE625781A (en)
DE1520106A1 (en) 1970-01-22

Similar Documents

Publication Publication Date Title
DE1745698B2 (en) PROCESS FOR THE PRODUCTION OF COPOLYMERIZATES OF TRIOXANE
GB912355A (en) Process of producing lower aromatic hydrocarbon-formaldehyde resin
GB1031702A (en) Oxymethylene polymers
US3297647A (en) Product and process for the manufacture of linear terpolymers of acetals
US3306877A (en) Process for the manufacture of copolyacetals
GB1390976A (en) Process for preparing homo- and copolymers of cyclic acetals
US3337503A (en) Polyoxymethylene polymer and polymerization process
GB1031707A (en) Oxymethylene polymers
US3424725A (en) Copolymers of trioxane,cyclic ethers,and bifunctional epoxides and a process for their manufacture
GB1031705A (en) Oxymethylene polymers
Price et al. The polymerization and copolymerization of trioxane
ES378609A1 (en) Adjusting the viscosity of polyalkenamers
GB1288147A (en)
GB1007321A (en) Method for the polymerization of formaldehyde
Sakurada et al. Effects of Gamma Radiation on Polymer in Solution.(II): Poly (vinyl Methyl Ether)(Special Issue on Physical, Chemical and Biological Effects of Gamma Radiation, III)
JPS5744609A (en) Preparation of parahydroxystyrene polymer
ES337555A1 (en) Process for separating and purifying polyepoxides from their solutions in hydrocarbons
GB965764A (en) Polymeric glycols
GB1102984A (en) Polymeric formals
US3451967A (en) Process for the polymerization of trioxan utilizing a fluoroarsenate
GB1071653A (en) Process for copolymerising trioxan
GB983075A (en) Improvements in the production of polyoxymethylene
GB913150A (en) A process for preparing high molecular weight polymers of formaldehyde
GB1041611A (en) Process for the production of polyoxymethylene
GB996483A (en) Oxymethylene polymers