Glossary entry

Polish term or phrase:

wobec

English translation:

in the presence of

Added to glossary by Ewa Chojnowska
Jun 3, 2022 13:28
1 yr ago
17 viewers *
Polish term

wobec

Polish to English Tech/Engineering Manufacturing foam production
[patent] "Główny etap podczas procesu wytwarzania oksyalkilatów to poliaddycja tlenku alkilenu lub mieszaniny tlenków alkilenu do startera ***wobec*** zaktywowanego katalizatora DMC."

czy to oznacza po prostu tyle co "w obecności"?
Proposed translations (English)
3 in the presence of

Discussion

geopiet Jun 3, 2022:
ciekawostka // coś chyba podobnego Niniejszy wynalazek dotyczy także periodycznego lub półperiodycznego sposobu poliaddycji tlenku alkilenu do składnika z aktywowanym starterem, w szczególności do składnika z aktywowanym starterem obejmującego małocząsteczkowy starter. - https://patents.google.com/patent/PL214395B1/pl

--

The present invention is also directed to a process for preparing an activated starter mixture, particularly, to a process for preparing an activated starter mixture which is composed of a low molecular weight starter compound. The present invention is also directed to a batch or semi-batch process for the polyaddition of an alkylene oxide on to an activated starter mixture, particularly, on to an activated starter mixture which is composed of a low molecular weight starter compound. - https://patents.google.com/patent/PL214395B1/en

Proposed translations

23 mins
Selected

in the presence of

double metal cyanide (DMC) catalyst
https://www.researchgate.net/publication/323093828_Synthesis...
ccccccccccccccccc
Random poly(propylene oxide-co-ethylene oxide) polymers are made by polymerizing a mixture of propylene oxide and a small amount of ethylene oxide in the presence of a starter and a double metal cyanide catalyst complex, and then feeding in a mixture of propylene oxide and ethylene oxide while increasing the ethylene oxide concentration in the mixture to at least 90%. This produces a polyol suitable for making high resiliency polyurethane foam without need for adding an ethylene oxide cap.
Classifications


polymerizing an oxide mixture containing 1,2-propylene oxide and ethylene oxide onto the hydroxyl-containing starter(s) in the presence of the activated DMC catalyst to produce a poly(propylene oxide-co-ethylene oxide) polymer having one or more terminal hydroxyl groups; wherein


https://patents.google.com/patent/WO2017003749A1/en
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4 KudoZ points awarded for this answer. Comment: "Dziękuję!"
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