EP 3688056 A1 20200805 - METHOD FOR PRODUCING A POLYMER WHICH CONTAINS MULTIPLE BONDS AS AN ELASTOMER PRECURSOR
Title (en)
METHOD FOR PRODUCING A POLYMER WHICH CONTAINS MULTIPLE BONDS AS AN ELASTOMER PRECURSOR
Title (de)
VERFAHREN ZUR HERSTELLUNG EINES MEHRFACHBINDUNGEN ENTHALTENDEN POLYMERS ALS ELASTOMER-VORSTUFE
Title (fr)
PROCÉDÉ DE PRÉPARATION D'UN POLYMÈRE COMPORTANT DES LIAISONS MULTIPLES EN TANT QUE PRÉCURSEUR D'ÉLASTOMÈRE
Publication
Application
Priority
- EP 17193623 A 20170928
- EP 2018076051 W 20180926
Abstract (en)
[origin: WO2019063582A1] The invention relates to a method for producing a polymer which contains organooxysilyl end groups. The method first has the step of reacting a polyoxyalkylene polyol which contains carbon-carbon multiple bonds with a organooxysilyl compound of the formula Si(X)n(R)4-n in the presence of a catalyst, wherein X independently of one another represents C1-C8-alkoxy, C7-C20-aralkoxy, C6-C14-aroxy, C7-C20-alkylaroxy, C1-C20-acyloxy; R independently of one another represents a saturated or unsaturated C1-C22-alkyl, C6-C14-aryl, C7-C14-aralkyl, C7-C14- alkylaryl; and n is 2, 3, or 4. The invention additionally relates to a method for producing an elastomer precursor from the polymer which contains organooxysilyl end groups and to products which can be obtained using said method.
IPC 8 full level
C08G 18/50 (2006.01); C08G 64/02 (2006.01); C08G 64/18 (2006.01); C08G 65/336 (2006.01)
CPC (source: EP US)
C08G 18/5096 (2013.01 - EP); C08G 64/0266 (2013.01 - EP US); C08G 64/183 (2013.01 - EP US); C08G 64/186 (2013.01 - EP US); C08G 65/336 (2013.01 - EP US)
Citation (search report)
See references of WO 2019063582A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3461852 A1 20190403; CN 111133022 A 20200508; EP 3688056 A1 20200805; US 2021061951 A1 20210304; WO 2019063582 A1 20190404
DOCDB simple family (application)
EP 17193623 A 20170928; CN 201880063375 A 20180926; EP 18772819 A 20180926; EP 2018076051 W 20180926; US 201816644592 A 20180926