HUT59169A - Process for effective catalysing esterificating reactions
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Process for effective catalysing esterificating reactions
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Publication number
HUT59169A
HUT59169AHU205890AHU205890AHUT59169AHU T59169 AHUT59169 AHU T59169AHU 205890 AHU205890 AHU 205890AHU 205890 AHU205890 AHU 205890AHU T59169 AHUT59169 AHU T59169A
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Application filed by Muanyagipari Kutato IntezetfiledCriticalMuanyagipari Kutato Intezet
Priority to HU205890ApriorityCriticalpatent/HU210109B/en
Publication of HU902058D0publicationCriticalpatent/HU902058D0/en
Publication of HUT59169ApublicationCriticalpatent/HUT59169A/en
Publication of HU210109BpublicationCriticalpatent/HU210109B/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
The efficiency of an organic Ti catalyst cpd is greatly increased in polycondensation of polyesters, when such a cpd. is dissolved in part or whole of the di:alcohol, or di:alcohol mixt prior to heating the soln to 100 degC max and adding it with other reactants. (Dwg.O/O)
HU205890A1990-04-031990-04-03Process for catalyzing epolycondensation reactions
HU210109B
(en)
A PROCESS TO PREPARE MODIFIED OR NOT MODIFIED POLYETHYLENE TEREFTALATE USING A CATALYST SYSTEM BASED ON TITANIUM / PHOSPHORUS AND PRODUCTS PRODUCED USING SUCH A PROCESS