http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0066179-A1

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filingDate 1982-05-18-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_46d6863c4e4322d2be0771fa3ccd6df5
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e2c39f92429719ad5ef5e08c7e9991a4
publicationDate 1982-12-08-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber EP-0066179-A1
titleOfInvention Process for preparing polyoxyalkylene-monoallyl or methallyl ethers
abstract R' ein Alkylrest mit 1 bis 4 Kohlenstoffatomen, ein Arylrest oder ein Alkarylrest, R 2 ein Wasserstoff- oder Methylrest, n eine beliebige Zahl von 2 bis 3 und x eine ganze Zahl ist, nmit enger Molekulargewichtsverteilung, wobei man zunächst Polyoxyalkylenether der Formel R 1 O-[C n H 2n O-] x M durch stöchiometrische Polymerisation von Alkylenoxiden oder deren Gemischen der allgemeinen Formel C n H 2n O an Alkalialkoholate der allgemeinen Formel MOR 1 , wobei M ein Alkalikation ist, bei Temperaturen von 60 bis 130°C, herstellt und dann dieses Zwischenprodukt mit einem Allyl- oder Methallylhalogenid in an sich bekannter Weise umsetzt und das Verfahrensprodukt von dem als Nebenprodukt gebildeten Salz MX abtrennt.The invention relates to a process for the preparation of polyoxyalkylene monoallyl or methallyl ethers of the general formula in which R 'is an alkyl radical having 1 to 4 carbon atoms, an aryl radical or an alkaryl radical, R 2 is a hydrogen or methyl radical, n any number from 2 to 3 and x is an integer, with a narrow molecular weight distribution, where first polyoxyalkylene ethers of the formula R 1 O- [C n H 2n O-] x M by stoichiometric polymerization of alkylene oxides or their mixtures of the general formula C n H 2n O on alkali metal alcoholates of the general formula MOR 1 , where M is an alkali application, at temperatures from 60 to 130 ° C., and then this intermediate is reacted with an allyl or methallyl halide in a manner known per se and the process product is separated from the salt MX formed as a by-product.n n n The compounds are largely free of propenyl or butenyl groups and essentially have only one allyl or methallyl oxide group per molecule. The products produced according to the invention are reactive polyethers which can be added to compounds with addable hydrogen.
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6780928-B1
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0415404-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2152771-B1
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-03046048-A1
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-9104957-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6956018-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0400436-A2
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/AU-635764-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0367087-A1
priorityDate 1981-06-03-04:00^^<http://www.w3.org/2001/XMLSchema#date>
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