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WO/2020/087770A1 |
The present invention discloses a method for synthesizing a polyphenyl ether oligomer with hydroxiyls at two ends. The method can obtain a polyphenyl ether oligomer with hydroxyls at two ends through the oxidation and copolymerization of...
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WO/2020/088632A1 |
Disclosed in the present invention is a polyether polyol refining method, comprising (1) neutralising or diluting crude polyether polyol to obtain a mixed solution; (2) flowing the mixed solution through a hydrophilic medium to aggregate...
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WO/2020/090950A1 |
The present invention provides: a protective film forming composition which is capable of forming a flat film that has good mask (protection) function against a wet etching liquid during processing of a semiconductor substrate, high dry ...
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WO/2020/084054A1 |
The present invention relates to copolymers comprising recurring units derived from (per) fluoropolyether polymers, and to their use in coatings, surface treatments and as additives in polymer composites and coating compositions
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WO/2020/079277A1 |
The invention pertains to a relates to a copolymer (P1) of poly(aryl ether sulfones) (PAES) and polydimethylsiloxane (PDMS) and to the process for preparing the copolymer (P1) by melt-hydrosilylation.
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WO/2020/080167A1 |
Provided are: an article on which dirt is not noticeable, and which has excellent dirt wiping-off properties; and a fluorine-containing ether compound. This article comprises: a base material; and a surface layer which is formed on a mai...
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WO/2020/078423A1 |
A monomeric compound of formula (I), wherein variables are as defined in the specification. The monomer is synthesized in high yield and fast by means of click chemistry reaction between mercaptan and alkene, and a basically perfluorinat...
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WO/2020/079544A1 |
A method for preparing a poly(phenylene ether) includes feeding an oxygen-containing gas phase to a single continuous flow reactor containing a reaction mixture, and oxidatively polymerizing the reaction mixture to form a poly(phenylene ...
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WO/2020/079121A1 |
Disclosed are stretched filaments based on aromatic polyethers, said filaments being stretched at a temperature between the glass transition temperature and the melting point and being cooled at the full tensile load to a temperature bel...
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WO/2020/077289A2 |
The instant disclosure provides (among other things) improved methods of preparing fluorenyl-based polymeric reagents, methods of recovering and purifying such polymeric reagents, methods of reducing unwanted impurities in a fluorenyl-ba...
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WO/2020/070422A1 |
The invention concerns a crosslinkable composition comprising: A1) at least one multifunctional isocyanate-terminated urethane prepolymer comprising between 1 and 16 isocyanate functionalities on average, the average functionality being ...
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WO/2020/071330A1 |
The present invention provides: a fluorine-containing ether composition which is capable of imparting the surface of a base material with excellent water repellency and oil repellency, and which enables the formation of a surface layer t...
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WO/2020/071563A1 |
A polyalkylene glycol derivative which is a compound represented by formula (1). (1): W1-O-(R2-O)n-W2 (In formula (1), W1 represents a hydrocarbon group having 4-30 carbon atoms; W2 represents a group that is represented by formula (A1);...
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WO/2020/069988A1 |
The invention pertains to a fluoroelastomer composition including at least a nitrile-containing (per)fluoropolyether compound and at least one bis-amino(thio)phenol compound of formula (I), wherein: A is -SO2-, -O-, -C(O)- or divalent hy...
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WO/2020/072772A1 |
Esters of polylactic acid, including polyethylene glycol esters of polylactic acid, that are coupled with an acid are disclosed. Exemplary coupled esters of polylactic acid can be used as textile finishes. Methods of making the coupled e...
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WO/2020/066743A1 |
Provided is a polyether compound having two or more polymer main chain end groups and a cationic group, all the polymer main chain end groups being hydroxyl or azide groups.
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WO/2020/068539A1 |
In various embodiments, a process for reducing alkylene carbonate content in a crude polyether polycarbonate polyol effluent including the alkylene carbonate and polyether polycarbonate polyol includes mixing the crude polyether polycarb...
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WO/2020/068145A1 |
New polymer compositions based on poly(2,6-dimethyl-1,4-phenylene oxide) and other high-softening-temperature polymers are disclosed. These materials have a microphase domain structure that has an ionically-conductive phase and a phase w...
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WO/2020/066203A1 |
[Problem] To provide: a sensor which has little impact on a substance to be detected during detection, while having high detection sensitivity and wide detection dynamic range, and which changes little due to repetition of detection; and...
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WO/2020/066534A1 |
The present invention provides a surface treatment agent comprising: (α) a compound represented by formula (α1) or formula (α2); and (β) a perfluoropolyether group-containing silane compound having an OCF2 unit. (In the formulae, eac...
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WO/2020/066551A1 |
A curable composition which enables the achievement of a cured product at a sufficient curing rate, while enabling the achievement of a cured product that is excellent in terms of all of recoverability, followability to an adherend, and ...
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WO/2020/063900A1 |
Provided is a synthesis process for the one-step production of a monomeric polyether for polycarboxylic acid water reducing agents, wherein the monomeric polyether is synthesized in one step by mixing an initiator and a catalyst at a tem...
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WO/2020/062928A1 |
Provided is a method for preparing a high-purity polysorbate 80, comprising the following steps: a.. dilution, which involves: taking a polysorbate 80 stock solution, adding a solvent thereto and diluting same to a solution with a concen...
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WO/2020/066888A1 |
The present invention relates to: a poly(biphenyl ether sulfone) resin which is substantially composed of a repeating structure of formula (1), and which is configured such that the mass average molecular weight Mw based on polystyrene s...
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WO/2020/068494A1 |
Hydroxyl-containing copolymers of butylene oxide and ethylene oxide having a hydroxyl equivalent weight of at least 150, an average of 1.8 to 6 hydroxyl groups per molecule of which hydroxyl groups at least 70% are primary hydroxyl group...
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WO/2020/062816A1 |
The present invention provides a two-metal cyanide catalyst, a method for preparing the two-metal cyanide catalyst and a method for catalyzing a polymerization reaction using the two-metal cyanide catalyst. The metal elements of the cata...
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WO/2020/068493A1 |
Polyurethanes are made in a one-shot process from one or more polyols having a hydroxyl equivalent weight of at least 350, wherein at least 50% of the weight of iii) is a hydroxyl-containing polymer of propylene oxide, the hydroxyl-conta...
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WO/2020/066875A1 |
The present invention relates to a poly(biphenyl ether sulfone) resin which substantially comprises the repeating structure of formula (1). In analysis with an NMR device for examining solid samples in which a 13C spectrum is acquired us...
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WO/2020/062970A1 |
Disclosed are an organosilicon modified polyether polyol as well as a preparation method therefor and an application thereof, relating to the technical field of polyurethane coating. The organosilicon modified polyether polyol has a stru...
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WO/2020/060194A1 |
The present invention relates to a redox polymer which can be used in an electrochemical sensor, and particularly, in a polymer backbone of an electron transfer mediator of the electrochemical sensor. More specifically, the present inven...
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WO/2020/057933A1 |
An amine functional compound is provided comprising: i. at least one segment consisting of at least one ether unit and at least one ester unit, wherein the ether units and ester units are connected by an ether link or an ester link, and ...
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WO/2020/058852A1 |
Embodiments include degradable polyethers comprising ester units from a cyclic ester or carbonate units from carbon dioxide incorporated into a poly(ethylene oxide) backbone or a multifunctional core of a degradable polyether star. Embod...
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WO/2020/057356A1 |
The present invention relates to an organic metal-free catalyst having both electrophilic and nucleophilic functions, a preparation method therefor, and an application thereof. The organic metal-free catalyst in the present invention has...
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WO/2020/061295A1 |
The present disclosure is based, at least in part, on the discovery that high-purity PEG lipids exhibit superior physical and biological properties, particularly when used in lipid nanoparticle (LNP) formulations. Therefore, the present ...
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WO/2020/060908A1 |
Disclosed herein are ketal compounds, oligomers, and polyketals that are obtained in both high purity and high yield. These ketals and polyketals are utilized for their ability to readily release small chemical molecules, preferably frag...
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WO/2020/054419A1 |
A fluorine-containing ether compound represented by formula (1) (1: R1-R2-CH2-R3-CH2-R4) (In formula (1), R1 is represented by formula (2), R2 is represented by formula (3), R3 is a perfluoropolyether chain, and R4 is an organic end grou...
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WO/2020/054761A1 |
Provided as one embodiment is a method for producing an ether derivative, the method comprising using a phosphazene base P4-tBu as a catalyst to react an epoxide with a monohydric alcohol or a polyhydric alcohol by addition polymerization.
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WO/2020/053818A1 |
Disclosed are cured furan polymer impregnated wood products, wherein the cured furan polymer comprises a cured reaction product of a furan monomer and an initiator that prevents or reduces crosslinking between chains of polymerised furan...
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WO/2020/053079A1 |
A polyarylene ether comprising in polymerized form A) at least one tri- or higher functional compound and B) isosorbide, isomannide, isoidide or a mixture thereof, wherein the polyarylene ether is a polyarylene ether sulfone or a polyary...
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WO/2020/054420A1 |
A fluorine-containing ether compound represented by formula (1) (1: R1-R2-CH2-R3-CH2-R4) (In formula (1), R1 is represented by formula (2), R2 is represented by formula (3), R3 is a perfluoropolyether chain, and R4 is an organic end grou...
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WO/2020/055444A1 |
Functional, partially-fluorinated silane compound according to Formula (I): wherein: X is CH2=CH- or CHCH2-; R1 and R2 are linear or branched alkylenes having 1 to 4 carbon atoms; Rf is a perfluoro(alkylene) group having 1 to 8 carbon at...
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WO/2020/053078A1 |
A polyarylene ether copolymer comprising i) at least one block comprising in polymerized form A) isosorbide, isomannide, isoidide or a mixture thereof and B) at least one unit comprising at least one difunctional compound comprising at l...
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WO/2020/053077A1 |
A polyarylene ether sulfone comprising in polymerized form A) isosorbide, isomannide, isoidide or a mixture thereof and B) at least one at least one nonsulfonated dihalodiaryl sulfone (compound B) and C) at least one sulfonated dihalodia...
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WO/2020/056057A1 |
The present invention provides cross-linking compounds having structures as set forth herein for cross-linking organic polymers. Further, polymer compositions include a cross- linking compound and an organic polymer, and in some embodime...
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WO/2020/045325A1 |
The present invention provides a polyrotaxane for obtaining a material combining a higher degree of elongation with a higher breaking strength and/or a polyrotaxane having properties not possessed by conventional polyrotaxanes, such as c...
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WO/2020/044188A1 |
Described herein is a functionalized oligomeric compound, which can be polymerized into a peroxide curable highly fluorinated polymer. The functionalized oligomeric compound is at least one of a monofunctional compound of formula (I) R-L...
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WO/2020/044964A1 |
The present invention addresses the problem of providing a sealing agent that has a viscosity suitable for application by an inkjet method, reduces damage to an inkjet head part of an inkjet device, and has a low dielectric constant when...
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WO/2020/043484A1 |
The present invention relates to a process for separating gaseous constituents dissolved in liquid reaction mixtures in the copolymerization of alkylene oxide and carbon dioxide, characterized in that (η) the liquid reaction mixture has...
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WO/2020/047382A1 |
A highly damping homogenous elastomeric polymer blend. The elastomeric polymer blend comprises from about 50% to about 95wt% epihalohydrin and from about 5% to about 50wt% polymethylmethacrylate. The blend is homogenous and has a vertica...
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WO/2020/039127A1 |
The present invention relates to a method for producing a block copolymer of the polyethersulfone type containing a biosourced diol, to a block copolymer that can be obtained by said method, and to the use of said block copolymer for pro...
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