IE38733B1 - Method of increasing the velocity of esterification in the production of polyhydroxy polyesters - Google Patents

Method of increasing the velocity of esterification in the production of polyhydroxy polyesters

Info

Publication number
IE38733B1
IE38733B1 IE6374A IE6374A IE38733B1 IE 38733 B1 IE38733 B1 IE 38733B1 IE 6374 A IE6374 A IE 6374A IE 6374 A IE6374 A IE 6374A IE 38733 B1 IE38733 B1 IE 38733B1
Authority
IE
Ireland
Prior art keywords
esterification
velocity
increasing
production
polyhydroxy polyesters
Prior art date
Application number
IE6374A
Other languages
English (en)
Other versions
IE38733L (en
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of IE38733L publication Critical patent/IE38733L/xx
Publication of IE38733B1 publication Critical patent/IE38733B1/xx

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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/52—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • 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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy 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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/20—Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
IE6374A 1973-01-13 1974-01-11 Method of increasing the velocity of esterification in the production of polyhydroxy polyesters IE38733B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732301691 DE2301691A1 (de) 1973-01-13 1973-01-13 Verfahren zur erhoehung der veresterungsgeschwindigkeit bei der herstellung von polyhydroxypolyestern

Publications (2)

Publication Number Publication Date
IE38733L IE38733L (en) 1974-07-13
IE38733B1 true IE38733B1 (en) 1978-05-24

Family

ID=5868968

Family Applications (1)

Application Number Title Priority Date Filing Date
IE6374A IE38733B1 (en) 1973-01-13 1974-01-11 Method of increasing the velocity of esterification in the production of polyhydroxy polyesters

Country Status (8)

Country Link
BE (1) BE809636A (it)
DE (1) DE2301691A1 (it)
FR (1) FR2324662A1 (it)
GB (1) GB1429735A (it)
IE (1) IE38733B1 (it)
IT (1) IT1002630B (it)
LU (1) LU69147A1 (it)
NL (1) NL7400360A (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112018A (en) 1974-06-06 1978-09-05 Bayer Aktiengesellschaft Unsaturated polyester resins suitable for the production of cross-linked polyesters which are difficult to saponify
DE2523353A1 (de) * 1975-05-27 1976-12-09 Bayer Ag Loesungsmittelfreie bzw. -arme zweikomponentenlacke
DE3642666A1 (de) * 1986-12-13 1988-06-23 Basf Ag Verfahren zur herstellung von im wesentlichen geschlossenzelligen, urethan- oder urethan- und isocyanuratgruppen enthaltenden hartschaumstoffen und deren verwendung
DE3642667A1 (de) * 1986-12-13 1988-06-23 Basf Ag Bei raumtemperatur fluessige polyester-polyole auf basis von 2-methylpentandiol-1,5, 2-ethylbutandiol-1,4, 2-methylglutarsaeure und/oder 2-ethylbernsteinsaeure sowie den entsprechenden dicarbonsaeurederivaten, verfahren zu deren herstellung und deren verwendung zur herstellung von kunststoffen nach dem polyisocyanat-polyadditionsverfahren
US5380816A (en) * 1989-05-11 1995-01-10 Sullivan; Carl J. Linear polyester diols based on isophthalic acid and 2-methyl-1,3-propanediol for thermoset coating compositions
CA2017071A1 (en) * 1989-06-02 1990-12-02 Stephen H. Harris Unsaturated polyester gel coats containing 2-methyl-1,3-propanediol
CA2017069A1 (en) * 1989-06-02 1990-12-02 Stephen H. Harris High reactivity thermosettable molding compositions containing 2-methyl-1,3-propanediol
US5296545A (en) * 1992-07-14 1994-03-22 Cook Composites And Polymers Surface appearance and processing characteristics for urethane-catalyzed low profile-modified polyester-polyurethane hybrid resins
US5296544A (en) * 1992-07-14 1994-03-22 Cook Composites And Polymers Polyester-polyurethane hybrid resin systems containing low levels of unsaturation having improved low profiling behavior

Also Published As

Publication number Publication date
LU69147A1 (it) 1974-08-19
NL7400360A (it) 1974-07-16
GB1429735A (en) 1976-03-24
IE38733L (en) 1974-07-13
FR2324662A1 (fr) 1977-04-15
IT1002630B (it) 1976-05-20
DE2301691A1 (de) 1974-08-08
BE809636A (fr) 1974-07-11

Similar Documents

Publication Publication Date Title
GB1395551A (en) Method of producing polyesters
CA1027290A (en) Manufacture of polyesters
YU310073A (en) Process for the continuous preparation of unsaturated polyesters
IE38733B1 (en) Method of increasing the velocity of esterification in the production of polyhydroxy polyesters
GB1318918A (en) Production of polyesters
CA926542A (en) Process for the production of high molecular weight linear polyesters
CA934494A (en) Process for producing polyesters
ZA73558B (en) Process for producing high molecular weight copolyesters in the presence of diaryl esters
ZA739729B (en) Production of esters
CA1017095A (en) Production of polyesters
ZA732828B (en) Process for the production of normal paraffins
CA961195A (en) Method for producing polyesters
CA967300A (en) Process for producing polyesters
CA975896A (en) Process for the production of polyesters
CA1001644A (en) Continuous esterification process
CA807743A (en) Process for the preparation of lactone polyesters
CA916365A (en) Process for the dyeing of linear polyesters in the mass
CA901735A (en) Method of producing polyester
AU436966B2 (en) Production of polyesters
CA828241A (en) Production of polyesters
CA897343A (en) Process for the manufacture of liquid polyesters
CA865808A (en) Process for the production of polyesters
CA865807A (en) Process for the production of polyesters
CA865218A (en) Process for the production of polyesters
AU484479B2 (en) Production of polyesters