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WO/2020/122122A1 |
The present invention provides a thermoplastic resin for lenses, which enables the expansion of the range of variations of lens type so that an imaging lens designer can choice a lens among from various types of lenses. The thermoplast...
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WO/2020/119908A1 |
The present invention relates to (meth)acrylate-functionalized waxes and curable compositions, such as anaerobic adhesive compositions, made therewith.
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WO/2020/114928A1 |
The invention relates to a process for preparing a specific hydroxy compound by means of decarboxylation of a specific carboxylic acid compound or a salt of said carboxylic acid compound, to a method for preparing a diaryl carbonate, a b...
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WO/2020/116646A1 |
Provided is an organic-inorganic composite material having inorganic fine particles uniformly dispersed in a polycarbonate resin. The organic-inorganic composite material of the present invention contains: inorganic fine particles; and a...
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WO/2020/114751A1 |
In a process for producing polyoxymethylene-polyalkylene oxide block copolymers comprising the step of polymerizing an alkylene oxide in the presence of an OH-terminated polyoxymethylene polymer and a catalyst, the polyoxymethylene polym...
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WO/2020/115707A1 |
A method of preparing a polycarbonate composition in a polymerization system that comprises a monomer mixing unit, an oligomerization section, and a polymerization section. The method includes melt polymerizing a dihydroxy compound with ...
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WO/2020/100975A1 |
The purpose of the present invention is to provide a method for safely and efficiently producing a polycarbonate. This production method for a polycarbonate is characterized by including a step for irradiating a composition that includes...
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WO/2020/100977A1 |
The purpose of the present invention is to provide a method for safely and efficiently producing a carbonate derivative even when a base is not used. This method for producing a carbonate derivative includes a step in which a composition...
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WO/2020/094685A1 |
The invention relates to a method for producing an alkoxysilane polymer via a carbamate, thiocarbonate or carbonate-terminated prepolymer (IIIa) or (IIIb), wherein the production of the carbamate, thiocarbonate or carbonate-terminated pr...
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WO/2020/096352A1 |
The present invention relates to a polycarbonate resin composition and a molded product comprising same. More particularly, the present invention relates to a polycarbonate resin composition exhibiting good processability and excellent f...
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WO/2020/083814A1 |
The invention relates to a method for producing a polyoxymethylene polyoxyalkylene block copolymer, said method including the process of reacting a polymer formaldehyde compound with alkylene oxide in the presence of a double metal cyani...
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WO/2020/079225A1 |
The present invention relates to compounds of the formula (I), which are suitable as monomers for preparing thermoplastic resins having beneficial optical properties and which can be used for producing optical devices. In Formula (I), A1...
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WO/2020/079573A1 |
Process for preparing polycarbonate comprising copolymerizing an epoxy compound and carbon dioxide (CO2) in the presence of a catalytic system comprising: at least one catalyst selected from complexes of a transition metal having general...
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WO/2020/080558A1 |
The present invention relates to compounds of the formula (I), which are suitable as monomers for preparing thermoplastic resins having beneficial optical properties and which can be used for producing optical devices: where A1, A2 are s...
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WO/2020/080205A1 |
The present invention can provide a thermoplastic resin composition containing a thermoplastic resin having a constitutional unit represented by formula (1), wherein the terminal structure of the thermoplastic resin includes a structure ...
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WO/2020/074983A1 |
The present invention relates to a method for the continuous multi-stage manufacture of an end-capped polycarbonate comprising, i) preparing a monomer mixture in a monomer mixing stage by mixing a bisphenol, a diaryl carbonate and option...
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WO/2020/074982A1 |
The present invention relates to an aromatic polycarbonate obtained via the melt transesterification of a diaryl carbonate, a bisphenol and an endcapping agent selected from paracumyl phenol, dicumyl phenol, p-tert-butyl phenol and mixtu...
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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/2020/064701A1 |
The present invention generally relates to the formation, chemistry and application of biologically active compositions. More particularly, the present invention relates to certain dyes, specifically porphyrin and chlorin derivatives, in...
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WO/2020/067577A1 |
Provided is a synthesis method comprising a first step of producing a carbonate compound from carbon monoxide and an alcohol-based compound at an anode of a first electrochemical cell comprising a cathode and the anode, and a second step...
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WO/2020/060148A1 |
The present invention relates to a polysiloxane-polycarbonate copolymer having enhanced impact resistance, flame resistance and transparency and a preparation method therefor and, more specifically, to a polysiloxane-polycarbonate copoly...
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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/2020/055178A1 |
The present invention relates to: a diol compound that enables the production of a polycarbonate having excellent mechanical properties and superior flame retardancy, heat resistance, transparency, hardness, and shock resistance; a polyc...
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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/2020/041184A1 |
The invention provides polymer compositions, compounds, processes, and methods of use of the polymers for biodegradable consumer plastics, adhesives, e.g., bioadhesives, pressure sensitive adhesives and thermos-responsive adhesives.
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WO/2020/040504A1 |
The present invention relates to a polycarbonate resin composition exhibiting excellent thermal stability and optical characteristics, and an optical molded product comprising same. The polycarbonate resin composition comprises a polycar...
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WO/2020/035519A1 |
The invention relates to a process for preparing a cycloaliphatic diester, a process for preparing a polyester carbonate using a cycloaliphatic diester, the use of a cycloaliphatic diester for preparing polyester carbonates, and a polyes...
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WO/2020/035300A1 |
The present invention relates to novel polymer compositions which are obtained by neutralizing a polymer P having at least one functional moiety of the formula (I) bound to at least one of the termini and/or to the backbone of the polyme...
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WO/2020/030538A1 |
The present invention relates to a method for producing an organooxysilyl-crosslinked polymer consisting of reacting a polyether carbonate polyol containing carbon-carbon double bonds with a polysiloxane compound in the presence of a cat...
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WO/2020/032722A1 |
The present invention relates to a polycarbonate having a novel structure with excellent mechanical properties while also having improved weatherability and refractive index, and a method for preparing same.
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WO/2020/032721A1 |
The present invention relates to a polycarbonate having a novel structure with excellent mechanical properties and enhanced weatherability and refractive index, and a method for producing same.
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WO/2020/032723A1 |
The present invention relates to polycarbonate having a novel structure and exhibiting improved weather resistance even while having excellent physical properties, and a preparation method therefor.
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WO/2020/032450A1 |
The present invention relates to a method for manufacturing an optical material by injecting an allyl diglycol carbonate monomer solution into a cavity formed between a pair of outer-sealed molds and, more specifically, to a method for a...
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WO/2020/033521A1 |
The present application provides polymer materials having the desired properties for implantation into a human or animal body, in particular, biocompatibility, biodegradability, radiopacity and mechanical properties. Methods of making su...
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WO/2020/028606A1 |
In one aspect, the present invention encompasses compositions of sustainable polycarbonate polymers, methods of producing such polymers, and methods for evaluating whether certain constituents of a polymer chain are derived from biomass ...
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WO/2020/027733A1 |
There is provided a bone cement composition comprising: a powder component comprising at least one acrylic polymer; a liquid component comprising a monomer; an antibiotic; and an acid-functionalised polymer, wherein reaction of the powde...
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WO/2020/022130A1 |
The purpose of the present invention is to provide: a polycarbonate resin which has a narrow molecular weight distribution and in which the formation of low molecular weight oligomers is suppressed; and a method for producing the polycar...
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WO/2016/166292A9 |
The present invention is directed to a polymer blend comprising at least one polyalkylencarbonate (PAC) and at least one polyhydroxyalkanoate (PHA) with low crystallinity. The invention also describes processes to prepare the blends of t...
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WO/2020/016201A1 |
The invention relates to a method for producing a heterocyclic-functional polyoxyalkylene polyol in which a polyoxyalkylene polyol with unsaturated groups is reacted with a heterocyclic compound.
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WO/2020/008375A1 |
The present disclosure relates to spirobiindane derivatives and a process for preparation of the same. Spirobiindane derivatives are used as intermediates for many commercially important compounds such as chiral polymers. The present dis...
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WO/2020/008879A1 |
The present invention addresses the problem of providing a (meth)acrylate-terminated polycarbonate oligomer as a starting material for a UV curable (meth)acrylic resin that is used as a UV curable hard coating agent or the like, said (me...
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WO/2020/005216A1 |
New poly(pyrocarbonate)-based polymers have been synthesized. When these polymers are combined with electrolyte salts, such polymer electrolytes have shown excellent electrochemical oxidation stability in lithium battery cells. Their sta...
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WO/2019/243435A1 |
The invention provides a process for producing polyol, characterized in that in a first process stage a diol is produced by a process containing the steps of (1-i) addition of alkylene oxide and carbon dioxide onto an H-functional initia...
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WO/2019/238419A1 |
The invention relates to a transesterification method for continuously producing a first polycarbonate and at least one second polycarbonate simultaneously from one and the same oligocarbonate in one and the same production facility. The...
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WO/2019/235644A1 |
The present invention provides: a polycarbonate resin composition which contains a first polycarbonate resin and a second polycarbonate resin; a molded article of this polycarbonate resin composition; and a multilayer body (1) which has ...
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WO/2019/234630A1 |
A method for preparing a modified polycarbonate comprising i) providing a polycarbonate prepared by the melt transesterification of a bisphenol and a diaryl carbonate preferably having a Fries branching level of from 750 to 2000 ppm, ii)...
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WO/2019/230966A1 |
Provided is a transparent film having advantages including excellent heat resistance and even birefringence, which has been less affected by the film formation conditions. The transparent film according to one embodiment includes a polyc...
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WO/2019/230951A1 |
Provided is a polycarbonate-based resin in which the ratio of amine terminals with respect to all terminal groups is 1.0 mol% or more.
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WO/2019/225540A1 |
A polycarbonate diol which contains repeating units represented by specific formula (A), while containing a terminal hydroxyl group, and which is configured such that: the repeating units represented by specific formula (A) are composed ...
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WO/2019/220414A1 |
Supported onium salts used as initiators for the synthesis of polycarbonates by copolymerization of carbon dioxide with epoxides are described. Embodiments of the present disclosure describe initiators comprising an insoluble portion inc...
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