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WO/2021/213089A1 |
Disclosed herein is a controlled drug release system of photoresponsive nanocarriers. Also provided are methods of making the nanocarriers. Also provided are method of using the nanocarriers for the treatment of diseases.
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WO/2021/217082A1 |
Provided is a polymer comprising a hydrolysable polymer backbone, the polymer backbone comprising (i) monomer units comprising a hydrophobic side chain; and (ii) monomer units comprising a cationic side chain; wherein the cationic side c...
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WO/2021/215249A1 |
A liquid-crystal polyester which contains a structural unit derived from 6-hydroxy-2-naphthoic acid and which, when analyzed by thermal extraction GC-MS under the following measurement conditions, gives a total-ion chromatogram, the liqu...
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WO/2021/209728A2 |
The invention relates to a semi-crystalline copolyamide comprising at least two units corresponding to the following formula: X/Y where - the X unit is a crystalline unit obtained by polycondensation of a unit selected from a C6-C12 alph...
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WO/2021/209729A2 |
The invention relates to a semi-crystalline copolyamide comprising at least two units corresponding to the following formula: X/Y where - the X unit is a crystalline unit obtained by polycondensation of a unit selected from a C6-C12 alph...
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WO/2021/209730A2 |
The invention relates to a semi-crystalline copolyamide comprising at least two units corresponding to the following formula: X/Y where - the X unit is a crystalline unit obtained by polycondensation of a unit selected from a C5-C12 alph...
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WO/2021/205117A1 |
The invention relates to a composition consisting of: 75 to 98% by weight, relative to the weight of the composition, of at least one copolymer A containing polyamide blocks and polyether blocks; 2 to 15% by weight, relative to the weigh...
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WO/2021/203240A1 |
The present invention provides a preparation method for anti-static and anti-microbial nylon 6, comprising the following steps: step I, adding caprolactam, nano-silver and deionized water into a high-pressure reaction kettle, filling the...
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WO/2021/205938A1 |
Provided is a flame-retardant polyamide resin composition suitable for electrical/electronic parts and housing parts that reduces mold corrosion while having high heat resistance and high flame retardancy suited to a reflow soldering pro...
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WO/2021/196032A1 |
Disclosed are an industrial polyamide yarn, a preparation method therefor, and the use thereof. The raw materials for producing the industrial polyamide yarn include at least 1,5-pentanediamine and a linear aliphatic diacid; or polyamide...
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WO/2021/197216A1 |
A continuous nylon polymerization method. Polymerization raw materials comprise, in parts by mass, 5-60 parts of polymerization monomer dibasic acid and/or dibasic acid ester, 3-50 parts of diamine, and 10-90 parts of reactive dispersion...
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WO/2021/197217A1 |
A continuous nylon polymerization process. The polymerization raw materials comprise, by mass, 5-60 parts of a polymerization monomer diacid and/or diacid ester, 3-50 parts of a diamine, and 10-90 parts of a reactive dispersion medium po...
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WO/2021/200978A1 |
The present invention provides: a composition from which an optically anisotropic film exhibiting reverse wavelength dispersibility and having an Nz factor of about 0.50 (0.40-0.60) can be formed; an optically anisotropic film; a circula...
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WO/2021/185949A1 |
The invention relates to a thermoplastic molding composition, comprising a) 39.9 to 99.9 wt% of at least one thermoplastic polyamide as component A, b) 0.1 to 10 wt% of at least one plasticizer of the general formula (1): R1-O-(CH2CH2-O-...
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WO/2021/187315A1 |
This crystalline polyamide resin comprises a constituent unit (a) derived from a dicarboxylic acid and a constituent unit (b) derived from a diamine. The constituent unit (b) derived from a diamine comprises: a constituent unit (b1) deri...
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WO/2021/181362A1 |
The present disclosure relates to the use of thermoplastic resins in millimeter wave network applications. More specifically, it relates to polyamide materials meeting the requirements of dielectric performance in such applications.
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WO/2021/177349A1 |
This separation membrane comprises: a porous support; a polyamide-based separation functional layer provided on the porous support; and a coating layer provided on the polyamide-based separation functional layer, wherein a fragment of CN...
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WO/2021/170571A1 |
The present invention relates to a polyamide copolymer produced from a carboxy-piperidine, preferably 4-piperidinecarboxylic acid and an aminoacid or lactam, preferably 4-aminomethyl-benzoic acid, to a process for its manufacture and to ...
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WO/2021/173651A1 |
An end capped condensation polymer may be formed by heating a condensation polymer in the presence of an end capping compound to form cleaved condensation polymer reacting at least a portion of the cleaved condensation polymer with the e...
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WO/2021/173652A1 |
An additive manufactured condensation polymer article with improved build or Z direction strength may be formed by physically mixing or depositing thereon a chain extender that extends and chemically bonds the polymer chains within and b...
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WO/2021/173663A2 |
Copolymers of condensation polymers are formed by a method of cleaving and reacting with a chain extender to form an end capped cleaved condensation polymer that is further reacted with a second compound that may be comprised of a furthe...
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WO/2021/170554A1 |
The present invention relates to a novel polyamide polymer, to a process for its manufacture and to the use thereof for the manufacture of thermoplastic composites, and articles manufactured via injection molding, extrusion and through a...
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WO/2021/167077A1 |
This method for producing a photosensitive resin composition, which contains a precursor that has an amide bond, while having a repeating unit represented by general formula (1), is characterized by comprising a step wherein an activated...
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WO/2021/167912A1 |
The present disclosure provides a polyamide composition and method of making a polyamide composition. The polyamide composition includes branched chains to provide for greater fiber tenacity and residues of a salt of 5-sulfoisophthalic o...
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WO/2021/167913A1 |
The present disclosure provides a masterbatch polyamide polymer capable of conferring stain resistance to a terminated polyamide polymer while substantially maintaining the processability of the terminated polyamide polymer.
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WO/2021/160963A1 |
The present invention relates to a process for treating a polyamide-based composition which is intended to be recycled. More particularly, the present invention relates to a process for treating a composition, typically a powder based on...
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WO/2021/160959A1 |
The present invention relates to a polyamide powder having a high glass transition temperature and to the corresponding preparation method. The invention also relates to the articles made therefrom and to a method for the production ther...
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WO/2021/153147A1 |
Abstract: A purpose of the present invention is to provide a resin composition that has good storage stability, improves crack resistance during thick film formation, and improves the initial efficiency and long-term cycle characteristic...
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WO/2021/148685A1 |
A recyclable, sealable container comprising one or more polyamides, in a proportion of 90% or higher by weight with respect to the total weight, and in which the sealing layer consists of one or more polyamides that can form a seal at le...
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WO/2021/148039A1 |
Disclosed are a copolymerized polyamide 56/66 polymer, a preparation method therefor, and the use thereof. The method for preparing the copolymerized polyamide 56/66 polymer of the present invention comprises the following steps: (1) pre...
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WO/2021/149815A1 |
[Problem] To provide a method for producing a polyamide resin film by using a polyamide resin obtained through polymerization of a regenerated monomer used as a recycled material. [Solution] This method for producing a polyamide resin fi...
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WO/2021/149785A1 |
To provide a polymer that can obtain excellent cell culture efficiency when used as an extracellular matrix material despite being an artificially synthesized polymer. A polymer that has a group having a peptide skeleton that includes ...
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WO/2021/142677A1 |
The present application discloses a polyamide 5X fiber, the raw materials for producing same at least include: 1,5-pentanediamine and long-carbon-chain dibasic acid; alternatively, a polyamide 5X obtained by polymerization of 1,5-pentane...
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WO/2021/141807A1 |
Methods for preparing mixed polyamides, polyimides and polyamideimides under hydrothermal polymerization conditions are provided. The methods are based on suitable mixtures of poly carboxylic acids, poly carboxylic dianhydrides or poly c...
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WO/2021/129045A1 |
A continuous production method for a semi-aromatic polyamide thermoplastic elastomer, comprising: mixing an aromatic dibasic acid, a diamine and a molecular weight regulator with water and a catalyst to form a slurry, and then dissolving...
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WO/2021/132218A1 |
The present invention addresses the problem of improving separation selectivity of a light gas such as hydrogen and helium. A gas separation membrane according to the present invention is provided with a porous support layer and a sepa...
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WO/2021/130300A1 |
The present invention relates to a process for producing a highly concentrated aqueous solution of a salt of a diamine and dicarboxylic acid by using a pre-salt aqueous solution having a high concentration of diacid/diamine salt and an e...
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WO/2021/122656A1 |
The invention relates to a thermoplastic composition for a monolayer tube (T1, T2), and particularly to an air-conditioning circuit for a motor vehicle comprising tubes transporting a refrigerating fluid. The composition comprises in wei...
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WO/2021/120091A1 |
A moulding composition comprising, based on a total weight of the moulding composition: a) 75 wt.% to 98.5 wt.% of a polyether block amide, comprising a subunit 1, composed of at least one lactam or α, ω-aminocarboxylic acid having 6 t...
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WO/2021/123222A1 |
The invention relates to a continuous solid-state polymerization process for preparing a polyamide derived from diamine and dicarboxylic acid, wherein the salt is polymerized in a reactor column comprising successive multifunctional zone...
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WO/2021/124907A1 |
This fiber-reinforced resin composite sheet comprises: a polyamide resin film comprising a dicarboxylic acid component (a) and a diamine component (b); and a layer of a plurality of reinforcing fibers superposed on the polyamide resin fi...
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WO/2021/118143A1 |
The present invention relates to a polymer resin composition, and a polymer film and a resin laminate using same, the polymer resin composition comprising: a polyamide resin having a reduced individual crystal average particle diameter m...
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WO/2021/118165A1 |
The present invention relates to a polyamide preparation apparatus and method. Specifically, the present invention relates to a polyamide preparation apparatus and method to improve the degree of diamine immobilization in the condensatio...
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WO/2021/117703A1 |
Provided is a method for producing a polyamide that has an exceptional appearance after heating. The method for producing a polyamide includes: a step for heating a composition that contains a diamine represented by formula (1), a dicarb...
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WO/2021/112495A1 |
The present invention relates to a method for producing polyamide through anionic polymerization, and a polyamide prepared thereby. A polyamide having an ultra-high molecular weight can be easily produced through a method for producing p...
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WO/2021/110182A2 |
Disclosed in the present invention are a polyesteramide and a preparation method therefor. A polyesteramide is prepared using a diamine or an alkamine as an initiator, using a diacid diol-based macrolide as a monomer, in the presence of ...
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WO/2021/106541A1 |
This flexible polyamide film is obtained by molding a polyamide including a unit formed of an aliphatic dicarboxylate (A1) having 18 or more carbon atoms and/or a unit formed of an aliphatic diamine (B1) having 18 or more carbon atoms, a...
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WO/2021/106850A1 |
[Problem] To provide a semi-aromatic polyamide resin composition having good platability, low water absorbency, and excellent solder reflow resistance. [Solution] The semi-aromatic polyamide resin composition according to the present inv...
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WO/2021/094468A1 |
Disclosed herein are polyesteramide random copolymers having high glass transition temperatures, methods of forming such polymers, devices, formulations, and medical devices containing such polymers, and methods of treating mammals suffe...
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WO/2021/095749A1 |
These polyamide particles are formed from polyamide, are spherical, and have an average particle diameter of 1 μm–10 μm. The polyamide comprises a main chain of polyamide and an alkyl group with a carbon number of at least 8 located ...
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