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WO/2019/077230A1 |
The invention relates to a method of producing a multiblock polymer with a polycarbonate block, involving synthesising an oligocarbonate diol and reacting the oligocarbonate polyol with either: - one or more diacids selected from the aro...
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WO/2019/077252A1 |
A process for producing a dimethacrylated or diacrylated oligocarbonate devoid of aromatic groups and phenolic functions, comprising the synthesis of an oligocarbonate polyol and a step consisting in reacting the oligocarbonate polyol wi...
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WO/2019/077229A1 |
The invention relates to a method of producing a diepoxidized oligocarbonate devoid of aromatic groups and phenolic functions, involving synthesising an oligocarbonate polyol, and a step of diepoxidizing said oligocarbonate polyol, where...
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WO/2019/070889A1 |
The subject matter described herein relates to methods for polymer xanthylation and the xanthylated polymers produced by such methods. Subsequent replacement of the xanthylate moiety allows facile entry into functionalized polymers.
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WO/2019/069207A1 |
In an embodiment, a method for the manufacture of a melt polycarbonate, comprises melt polymerizing a feed stream in a final polymerization unit to form a polycarbonate stream comprising a polycarbonate; controlling a scission stream flo...
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WO/2019/066493A1 |
The present invention relates to: a polycarbonate resin composition having excellent transparency and color stability and low UV transmittance; and an optical molded product comprising the same.
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WO/2018/062928A9 |
The present invention relates to a biodegradable polymer resin composition and a molded product thereof, the biodegradable polymer resin composition being capable of realizing biodegradability and excellent physical properties and having...
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WO/2019/063582A1 |
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 comp...
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WO/2019/066292A1 |
The present invention relates to a highly heat-resistant organism-based polycarbonate ester and a preparation method therefor and, more specifically, the highly heat-resistant organism-based polycarbonate ester has excellent heat resista...
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WO/2019/059850A1 |
The present invention relates to polycarbonate-based diblock polymers, nanoparticles comprising the diblock polymers and a therapeutic agent, in particular the therapeutic agent is attached to a magnetic moiety, and methods to prepare th...
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WO/2019/058332A1 |
A composition for use in powder bed fusion includes a thermoplastic powder that itself includes an induced crystalline polycarbonate or an induced crystalline polyetherimide. The thermoplastic powder is recycled powder, which means that ...
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WO/2019/054194A1 |
A polycarbonate resin composition that includes: a polycarbonate resin composition (S) that includes 1–50 mass% of a styrene resin (B) and 50–99 mass% of a polycarbonate resin (A) that contains a specific polycarbonate-polyorganosilo...
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WO/2019/048986A1 |
A method for producing a polycarbonate article comprises printing a droplet onto a target location in a build area to obtain a printed droplet, wherein the droplet comprises a precursor solution comprising a precursor composition, a cata...
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WO/2019/048878A1 |
The present invention relates to a polymerisation process for the reaction of (a) carbon dioxide with an epoxide; and/or (b) an anhydride with an epoxide. The process is carried out in the presence of a chain transfer agent and a catalys...
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WO/2019/049027A1 |
In an embodiment, a method of manufacture of a melt polycarbonate comprises melt polymerizing a bisphenol and diphenyl carbonate to form phenol and the melt polycarbonate in a polymerization unit; removing an overhead stream comprising t...
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WO/2019/049916A1 |
A polycarbonate resin composition containing 50-99 mass% of a polycarbonate resin (S) and 1-50 mass% of a polyester resin (C) and containing 0.001-1 mass part of an amide compound (D) per 100 mass parts of the total of the polycarbonate ...
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WO/2019/048386A1 |
The invention relates to a method for cleaning a phosgene conducting apparatus, comprising: washing the apparatus with hot inert gas, followed by washing the apparatus with cold inert gas; conveying gaseous ammonia for breaking down phos...
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WO/2019/045092A1 |
Provided is an aliphatic polycarbonate resin that can be used as a thermally decomposable binder capable of thermal decomposition (degreasing) at low temperature. The aliphatic polycarbonate is an aliphatic polycarbonate containing a str...
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WO/2019/044214A1 |
The purpose of the present invention is to provide a thermoplastic resin that has a high refractive index and enables low birefringence and balanced heat resistance and moldability. This thermosetting resin includes repeating units repre...
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WO/2019/043060A1 |
The present invention relates to binaphthyl compounds of the formula (I), which are suitable as monomers for preparing polycarbonate resins having beneficial optical properties and which can be used for producing optical lenses: Formula ...
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WO/2019/045418A1 |
The present invention relates to a method for producing an organic zinc catalyst used in the synthesis of a polyalkylene carbonate resin and an organic zinc catalyst provided thereby, and a method for preparing a polyalkylene carbonate r...
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WO/2019/043559A1 |
Embodiments of the present disclosure describe a method of synthesizing a glycidyl azide homopolymer comprising contacting a glycidyl azide monomer, an initiator, and a Lewis acid sufficient to form the glycidyl azide homopolymer; wherei...
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WO/2019/044875A1 |
Provided is a polycarbonate resin which has high refractive index, low Abbe number and high wet heat resistance. One embodiment of the present invention provides a polycarbonate resin which contains a constituent unit represented by gene...
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WO/2019/045093A1 |
Provided is an aliphatic polycarbonate applicable to the production of a block copolymer by radical polymerization. The aliphatic polycarbonate is represented by formula (1) [wherein: R1, R2, R3 and R4 are either the same or different an...
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WO/2019/039515A1 |
Provided is a thermally stable bisphenol composition which suppresses a Hazen color number increase in high-humidity conditions. The bisphenol composition contains aryl alkyl sulfide or dialkyl disulfide in an amount which is at least 0....
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WO/2019/039520A1 |
Provided is a bisphenol composition which contains a specific amount of an aromatic alcohol sulfonate, and a simple method for producing the same. Also provided is a polycarbonate resin production method which makes it possible to produc...
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WO/2019/026671A1 |
The present invention provides a method for producing a polycarbonate resin composition by mixing, at a temperature at which resin components melt, and in the presence of a transesterification catalyst: an aliphatic polycarbonate resin (...
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WO/2019/022176A1 |
Provided is a carbonate-olefin copolymer having a polycarbonate block, an olefin polymer block, and a specific constituent unit.
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WO/2019/011009A1 |
Disclosed is a method for preparing a polypropylene carbonate/cellulose nanocrystal composite material, the method comprising the following steps: (1) under the protection of a protective gas, uniformly mixing a cellulose nanocrystal, pr...
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WO/2019/007834A1 |
The invention relates to a method for operating a production plant for producing a chemical product (1) by reacting a H-functional reactant (2) with phosgene (3) during an interruption in production when taking at least one plant part of...
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WO/2019/009076A1 |
The present invention provides a polycarbonate copolymer having a low specific gravity and a high surface hardness. This polycarbonate copolymer includes a unit (A) represented by formula (1-1) or (1-2), and a unit (B) represented by for...
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WO/2019/007828A1 |
The present invention relates to a method for electrochemically producing arylalkyl carbonates or diaryl carbonates, which is characterized in that compounds of formula (1) R1-OH, wherein the radical R1 is an alkyl radical, preferably a ...
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WO/2019/007831A1 |
The invention relates to an electrochemical process for electrochemically synthesizing diaryl carbonates, characterized in that a formula of formula R-OH (1), where R is an aryl group, preferably a tert-butylphenyl, cumyl-phenyl, naphthy...
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WO/2019/004200A1 |
Provided is a polycarbonate-based resin composition containing 1-50 mass% of a polycarbonate-based resin (C) and 50-99 mass% of a polycarbonate-based resin (S) which contains: 0.1-100 mass% of a polycarbonate-polyorganosiloxane copolymer...
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WO/2019/004279A1 |
The present invention addresses the problem of providing a phase difference film capable of exhibiting a sufficient reverse wavelength dispersion property. The present invention relates to a phase difference film that comprises a copolym...
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WO/2019/003209A1 |
In an embodiment, a reactor for carrying out a melt transesterification reaction at a reactor temperature of 160 to 300°C and a reactor pressure of 5 to 200 mbar, comprises a cylindrical tank comprising a top, a side, and a bottom, wher...
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WO/2019/004127A1 |
The present invention provides a reinforced polycarbonate resin composition having all of excellent strength, impact resistance, heat resistance, flame retardancy and thermal stability. A reinforced polycarbonate resin composition which ...
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WO/2018/229456A1 |
A resin composition, the resin composition comprising a prepolymer (209) and optionally one or more diluent(s) (Figure 3A), the prepolymer (209) comprising repeating units having at least one carbonate linkage and at least one unsaturate...
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WO/2018/230662A1 |
Provided is an aromatic polycarbonate resin which has high fluidity and thin-wall moldability, while exhibiting excellent hue and transparency. An aromatic polycarbonate resin which contains a structural unit that is derived from an arom...
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WO/2018/230260A1 |
The present invention is a multilayer film in which: a first acrylic resin layer (α1), an aromatic polycarbonate resin layer (β), and a second acrylic resin layer (α2) are directly laminated in the stated order; the aromatic polycarbo...
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WO/2018/216517A1 |
The purpose of the present invention is to provide a sheet formed from carbon fiber reinforced thermoplastic resin with high heat resistance, and a production method of said sheet. This sheet is formed from a carbon fiber reinforced ther...
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WO/2018/216518A1 |
The purpose of the present invention is to provide a sheet formed from a carbon fiber reinforced thermoplastic resin with a simplified production process and excellent mechanical characteristics, and a production method of said sheet. Th...
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WO/2018/217507A1 |
A sports equipment article comprises a thermoplastic poly(carbonate-siloxane) elastomer.
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WO/2018/216582A1 |
The purpose of the present invention is to provide an aromatic polycarbonate oligomer solid with substantially reduced low-molecular-weight components, no or a substantially reduced amount of chlorine-containing compounds, high loose bul...
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WO/2018/216583A1 |
The purpose of the present invention is to provide an aromatic polycarbonate oligomer solid with substantially reduced low-molecular-weight components, no or a substantially reduced amount of chlorine-containing compounds, high loose bul...
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WO/2018/216396A1 |
Provided are: a polycarbonate resin composition excellent in terms of flame retardancy and heat resistance; a molded article; a polycarbonate resin; and a terminal-blocking agent for the polycarbonate resin. The polycarbonate resin compo...
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WO/2018/216584A1 |
The purpose of the present invention is to provide an aromatic polycarbonate oligomer solid with substantially reduced low-molecular-weight components, no or a substantially reduced amount of chlorine-containing compounds, high loose bul...
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WO/2018/216581A1 |
The purpose of the present invention is to provide an aromatic polycarbonate oligomer solid with substantially reduced low-molecular-weight components, no or a substantially reduced amount of chlorine-containing compounds, high loose bul...
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WO/2018/216516A1 |
The purpose of the present invention is to provide a sheet formed from carbon fiber reinforced thermoplastic resin with high moldability, and a production method of said resin. This sheet is formed from a carbon fiber reinforced thermopl...
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WO/2018/211952A1 |
The purpose of the present invention is to provide a method for safely and efficiently producing a carbonate derivative. This carbonate derivative production method is characterized by emitting light in the presence of oxygen to a compos...
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