| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 524607000 | Two or more carboxylic acids or derivatives, or two or more nitrogen containing compounds | 47 |
| 20080249238 | FLEXIBLE SEMIAROMATIC POLYAMIDES WITH A LOW MOISTURE UPTAKE - The present invention relates to a flexible semiaromatic polyamide composition with a low moisture uptake, made up by weight, the total being 100:
| 10-09-2008 |
| 20080281039 | Novel Dispersant and Compositions Thereof - The present invention provides a dispersant and compositions thereof. The dispersant is a residue of a non-aromatic hydrocarbyl substituted carboxylic acid containing three or more acid groups (A), wherein the dispersant may be represented by the Formula and salts thereof: [U—(Y) | 11-13-2008 |
| 20090012231 | PIGMENT DISPERSIONS CONTAINING AMINATED ACRYLIC MACROMONOMER DISPERSANT - A pigment dispersion useful for forming coating compositions containing dispersed pigment, a carrier solvent and an aminated macromonomer dispersant (binder) is disclosed. The aminated macromonomer dispersant is preferably prepared by the reaction of terminally unsaturated macromonomers synthesized by cobalt-catalyzed chain transfer free radical polymerizations of methacrylic monomers with monomeric or oligomeric amines. | 01-08-2009 |
| 20090036601 | THERMOSETTING SOLUTION COMPOSITION AND PREPREG - A thermosetting solution composition composed of a biphenyltetracarboxylic acid compound containing a partial lower aliphatic alkyl ester of 2,3,3′,4′-biphenyltetracarboxylic acid and/or a partial lower aliphatic alkyl ester of 2,2′,3,3′-biphenyltetracarboylic acid, an aromatic diamine compound in a molar amount larger than a molar amount of the biphenyltetracarboxylic acid compound, a partial lower aliphatic alkyl ester of 4-(2-phenylethynyl)phthalic acid compound in a molar amount as much as 1.8-2.2 times a molar amount corresponding to a difference between the molar amount of the aromatic diamine compound and the molar amount of the biphenyltetracarboxylic acid compound, and an organic solvent composed of a lower aliphatic alcohol is of value for manufacture of a prepreg. | 02-05-2009 |
| 20090105412 | Polyamides for vehicular parts - Polyamides made from a combination of adipic acid, terephthalic acid and 1,6-hexanediamine in specified proportions have excellent salt stress corrosion cracking resistance. These polyamides are especially useful for vehicular parts that are exposed to contact with salts such as sodium chloride or calcium chloride that are used, for instance, for melting ice and/or snow on roadways. | 04-23-2009 |
| 20090264588 | Modified Polyamides Having Enchanced Flowability/Mechanical Properties and Molding Compositions Comprised Thereof - Modified polyamides having enhanced flowability/mechanical properties are prepared by polymerization of diacid and diamine monomers in the presence of multifunctional and monofunctional compounds capable of forming an amide function by reaction with either an aminated functional group or an acid functional group and are formulated into useful molding compositions. | 10-22-2009 |
| 20100029843 | DRAG REDUCING COPOLYMERS FOR COLD FLUID APPLICATIONS - Drag reducing compositions comprising polymer particles, where the polymer particles include copolymers comprising the residues of at least one methacrylate monomer and at least one comonomer having a polymerizable vinyl group, where the comonomer has no more than one pendant substituent per vinyl carbon. The drag reducing compositions can have improved dissolution rates in hydrocarbon-containing fluids. The drag reducing compositions can be added to a hydrocarbon-containing fluid to decrease the pressure drop associated with the turbulent flow of the hydrocarbon-containing fluid through a conduit. | 02-04-2010 |
| 20100144963 | Transparent, Amorphous Polyamide Moulding Compounds and Use Thereof - A transparent, amorphous polyamide moulding compound contains polyamides which are formed by polycondensation of a linear aliphatic dicarboxylic acid with a cycloaliphatic diamine and also blends thereof, and also additives and/or colourants. The linear aliphatic dicarboxylic acid is selected from dicarboxylic acids with 17 to 21 C atoms and the diamine is bis(3-methyl-4-aminocyclohexyl)methane (MACM) and cross-linking additives, in the case of the additives, and photochromic colourants, in the case of the colourants, are precluded. | 06-10-2010 |
| 20100190923 | METHOD FOR PRODUCING A DISPERSION COMPRISING A ONE STAGE REACTION PRODUCT AND AN ASSOCIATED COATING - The present invention is directed to a method for producing a dispersion comprising: (a) reacting (i) a monomer comprising an ethylenically unsaturated double bond; (ii) a carboxylic acid group-containing monomer; and (iii) a glycidyl ester compound to form a reaction product comprising a carboxylic acid group; and (b) reacting the reaction product of (a) with an amine compound; and wherein there is a molar excess of (ii) to (iii); wherein steps (a) and (b) are conducted in a substantially solvent free environment and wherein the reaction product of (b) is not further reacted with a polyester polyol. | 07-29-2010 |
| 20110105683 | POLYAMIDE RESIN, COMPOSITION CONTAINING THE POLYAMIDE RESIN, AND MOLDED ARTICLES OF THE POLYAMIDE RESIN AND THE COMPOSITION - Disclosed is a polyamide resin which is produced by the polycondensation of (A) pentamethylenediamin, (B) terephthalic acid and/or a derivative thereof, and (C) at least one member selected from adipic acid, sebacic acid, undecanedioic acid, dodecanedioic acid, isophthalic acid, 1,9-diaminononane, 1,10-diaminodecane, 1,12-diaminododecane, caprolactam, undecalactam, laurolactam, aminocaproic acid, 11-aminoundecanoic acid, 12-aminododecanoic acid, and derivatives of these compounds. In the polyamide resin, the ratio of a repeating unit derived from the component (C) is 10 to 50 wt % (inclusive) relative to the total weight of the polymer. A solution of the polyamide resin in 98% sulfuric acid, which contains the polyamide resin at a concentration of 0.01 g/ml, has a relative viscosity of 1.5 to 4.5 at 25° C. | 05-05-2011 |
| 20110269904 | Water-Soluble Degradable Synthetic Vinyl Polymers and Related Methods - Of the many embodiments presented herein, one is a subterranean treatment fluid comprising: an aqueous fluid; and a water-soluble degradable synthetic vinyl polymer having a labile link in its backbone. Also provided in one instance is a water-soluble degradable synthetic vinyl polymer with labile group in its backbone made by a redox polymerization, the redox polymerization reaction comprising these reactants: a macroinitiator that comprises a labile link, an oxidizing metal ion, and a vinyl monomer. | 11-03-2011 |
| 20110275760 | MODIFIED POLYAMIDES HAVING ENHANCED MELT FLOW INDICES - Novel modified polyamides are prepared by polymerization of diacid and diamine monomers in the presence of certain multifunctional and, optionally, monofunctional compounds; such novel polyamides are formulated into molding compositions which can be converted into useful shaped articles. | 11-10-2011 |
| 20120095161 | MOLDING COMPOUND ON THE BASIS OF A COPOLYAMIDE CONTAINING TEREPHTHALIC ACID AND TRIMETHYLHEXAMETHYLENE DIAMINE UNITS - A molding compound, containing at least 30% by weight of a copolyamide, which is derived from the following monomers: a) 50 to 95 mole percent of the combination of a diamine, selected from the group consisting of 1,9-nonane diamine, 1,10-decane diamine, 1,11-undecane diamine and 1,12-dodecane diamine, and terephthalic acid, and b) 5 to 50 mole percent of the combination of a diamine, selected from the group consisting of 2,2,4-trimethylhexamethylene diamine, 2,4,4-trimethylhexamethylene diamine, and mixtures thereof, and terephthalic acid. The copolyamide is crystalline and has low water absorption. | 04-19-2012 |
| 20120165466 | POLYAMIDE AND POLYAMIDE COMPOSITION - [Problem to be Solved] | 06-28-2012 |
| 20120172522 | Liquid Crystal Alignment Agent, Liquid Crystal Alignment Film Manufactured Using the Same, and Liquid Crystal Display Device Including the Liquid Crystal Alignment Film - Disclosed is a liquid crystal alignment agent that includes a polymer comprising polyamic acid including a repeating unit represented by the following Chemical Formula 1, polyimide including a repeating unit represented by the following Chemical Formula 2, or a combination thereof. | 07-05-2012 |
| 20120178876 | POLYAMIDE COPOLYMER AND MOLDED PRODUCT - To provide a polyamide copolymer that is excellent in terms of rigidity after water absorption (water absorption rigidity) and rigidity under high temperature use (thermal rigidity). A polyamide copolymer comprising a dicarboxylic acid component unit containing an (a) adipic acid unit, a (b) isophthalic acid unit and a (c) 1,4-cyclohexanedicarboxylic acid unit, and a diamine component unit, wherein a relationship between a content (mol %) of the (b) and a content (mol %) of the (c) in a total of 100 mol % of the dicarboxylic acid component unit containing the (a), the (b) and the (c) satisfies following formula (1): | 07-12-2012 |
| 20120208956 | BETA-HYDROXYALKYLAMIDES, A METHOD FOR PRODUCTION OF SAME AND USE OF SAME - The invention relates to new β-hydroxyalkylamides, to a method for production of same and to the use of same. | 08-16-2012 |
| 20120245283 | SEMI-AROMATIC, SEMI-CRYSTALLINE COPOLYAMIDES - Semiaromatic, semicrystalline copolyamide molding compositions, comprising | 09-27-2012 |
| 20120289652 | SUPRAMOLECULAR POLYMERS AND COMPOSITIONS CONTAINING SAID POLYMERS - Supramolecular polymers having repeat units connected by hydrogen bonds, where the repeat units are monomers, macromers, oligomers or polymers where at least one on the monomers contains at least one 2,5-diketopiperazine group are described. Composition prepared from these supramolecular polymers and articles produced from these compositions are also described. | 11-15-2012 |
| 20120296037 | POLYAMIDE BLOCK COPOLYMER, ARTICLE INCLUDING SAME, AND DISPLAY DEVICE INCLUDING THE ARTICLE - A polyamide block copolymer that includes a first segment including a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, or a combination thereof; and a second segment including a repeating unit represented by Chemical Formula 3. The variables R | 11-22-2012 |
| 20120329944 | SEMIAROMATIC POLYAMIDE, PROCESS FOR PREPARING SAME, COMPOSITION COMPRISING SUCH A POLYAMIDE AND USES THEREOF - The invention relates to a semiaromatic polyamide, to the process for preparing same, to a composition comprising such a polyamide and to the uses thereof. | 12-27-2012 |
| 20130085229 | POLYAMIDE AND POLYAMIDE COMPOSITION - [Problem to be Solved] | 04-04-2013 |
| 20130116380 | COATINGS FOR IMPLANTABLE DEVICES COMPRISING POLY(HYDROXY-ALKANOATES) AND DIACID LINKAGES - Coatings for an implantable medical device and a method of fabricating thereof are disclosed, the coatings including block-polymers comprising at least one poly(hydroxyacid) or poly(hydroxy-alkanoate) block, at least one block of a biologically compatible polymer and at least one type of linking moiety. | 05-09-2013 |
| 20130150525 | SEMI-AROMATIC POLYAMIDE - The invention relates to a semi-aromatic polyamide, and a polyamide composition comprising the semi-aromatic polyamide, comprising a diamine component (a) comprising, based on the total number of moles of the diamine component (a): between 5 and 30 mole % of at least one C2-C5 diamine, between 5 and 30 mole % of at least one C7+ diamine, and between 45 and 90 mole % of a C6 diamine; and a dicaboxylic acid component (b) comprising, based on the total number of moles of the dicaboxylic acid component (b): at least 50 mole % of terephthalic acid and at most 50 mole % of another dicarboxylic acid. | 06-13-2013 |
| 20130261256 | COPOLYMER POLYAMIDE - An object of the present invention is to provide a copolymer polyamide which has excellent strength, high-temperature strength, low water absorbance, low blocking properties, releasability and plasticizing time stability, and a copolymer polyamide composition which has excellent vibration fatigue characteristics, surface appearance and continuous productivity. A copolymer polyamide of the present invention is obtained by polymerizing (a) at least one alicyclic dicarboxylic acid, (b) one diamine having 8 or more carbon atoms, and (c) at least one copolymer component selected from the group consisting of the following (c-1) to (c-3): a (c-1) dicarboxylic acid other than the alicyclic dicarboxylic acid; a (c-2) diamine having fewer carbon atoms than the (b) diamine; and a (c-3) lactam and/or aminocarboxylic acid, and the copolymer polyamide satisfies specific conditions. | 10-03-2013 |
| 20130317168 | SCRATCH-RESISTANT, TRANSPARENT AND TOUGH COPOLYAMIDE MOULDING COMPOUNDS, MOULDED ARTICLES PRODUCED THEREFROM AND USES THEREOF - Disclosed are scratch-resistant, transparent and tough copolyamide moulding compounds distinguished by high scratch-resistance, excellent transparency and great toughness, which are suitable for producing transparent moulded articles or transparent coatings. The moulding compounds are obtained by polycondensation of a carboxylic acid mixture including at least one aliphatic dicarboxylic acid and at least one aromatic dicarboxylic acid with at least one cycloaliphatic diamine. Also disclosed are moulded parts or coatings produced from the copolyamide compounds. | 11-28-2013 |
| 20140011951 | HEAT RESISTANT POLYAMIDE COMPOSITIONS HAVING HIGH AMINE ENDS - Disclosed is a thermoplastic composition including (A) a polyamide resin independently selected from the group consisting of Group (IV) Polyamides comprising (aa) about 50 to about 95 mole percent semiaromatic repeat and (bb) about 5 to about 50 mole percent aliphatic repeat units; and Group (VI) Polyamides having no melting point, (B) about 0.25 to about 15 weight percent of one or more polyhydric alcohols having more than two hydroxyl groups and a having a number average molecular weight (M | 01-09-2014 |
| 20140179866 | STAIN-RESISTANT ARTICLE AND USE THEREOF - What is described is the use of a polyamide moulding composition for the production of a stain-resistant article, the staining tendency (ST) of the article being at most 15. Here, the composition contains 30-100% by weight of a polyamide mixture, consisting of more than 50 and up to 98% by weight of at least one semi-aromatic polyamide comprising 2 to up to 50% by weight of amorphous and/or microcrystalline polyamides having a glass transition temperature of at least 100° C., based on: 20-100 mol % of at least one cycloaliphatic diamine; and 0-80 mol % of at least one other aliphatic and/or aromatic diamine; and also aromatic and/or aliphatic dicarboxylic acids comprising at least 6 carbon atoms. In addition, 0-70% by weight of fibrous additives (B1) and/or particulate additives (B2), 0-30% by weight of impact toughness modifier and/or polymers different from (A), 0-25% by weight of a flame retardant, and 0-3% by weight of additives may also be contained. | 06-26-2014 |
| 20140194569 | THIN-WALL ARTICLE - Provided is a thin-wall article formed from a polyamide resin which can be stably produced with little variation in mechanical properties such as flexural strength, flexural modulus and impact resistance. A thin-wall article formed by molding a polyamide resin (C) obtained by polycondensing a diamine (A) and a dicarboxylic acid (B) or a polyamide resin composition containing the polyamide resin, wherein 70 mol % or more of a diamine structural unit is derived from xylylenediamine and the polyamide resin has a melt viscosity (i) of 50 to 200 Pa·s as measured at a temperature of the melting point plus 10° C. for a holding time of 6 minutes at a shear rate of 122 sec | 07-10-2014 |
| 20140194570 | PRODUCTION METHOD OF CRYSTALLINE POLYAMIDE RESIN - There is provided a production method of a crystalline polyamide resin by thermal polycondensation of a mixture including at least a diamine component, a dicarboxylic acid component and water as a starting material, wherein the diamine component includes (A) pentamethylene diamine at a ratio that is equal to or greater than 10 mol % and less than 80 mol % relative to a gross amount of the diamine component; and the dicarboxylic acid component includes (B) at least one selected from the group consisting of an aromatic dicarboxylic acid, an alicyclic dicarboxylic acid and dialkyl ester derivatives thereof at a ratio that is equal to or greater than 76 mol % and equal to or less than 100 mol % relative to a gross amount of the dicarboxylic acid component, the production method comprising: a first step that heats the above mixture, which has a water content equal to or less than 30% by weight, at a temperature equal to or higher than 200° C. under a pressure of 1.8 to 3.5 MPa to perform polycondensation with distillation of water; a second step that releases pressure to an atmospheric pressure level, subsequent to the first step; and a third step that continues thermal polycondensation subsequent to the second step, so as to obtain the crystalline polyamide resin, the third step performing high-degree melt polymerization at a temperature that is equal to or higher than a melting point of the crystalline polyamide resin until a relative viscosity at 25° C. of a solution prepared by dissolving the obtained crystalline polyamide resin at a concentration of 0.01 mg/mL in 98% sulfuric acid reaches between 1.8 and 3.5. | 07-10-2014 |
| 20140316062 | POLYAMIDE CONTAINING MONOMER UNITS OF 1,4-BUTYLENE DIAMINE - A process for the production of a polyamide containing monomeric units of 1,4-butylene diamine, an aliphatic dicarboxylic acid having 6-12 carbon atoms and a fatty acid based dicarboxylic acid and/or diamine derived there from, which process comprises the steps of: a) making an aquous salt mixture containing 1,4-butylene diamine, the aliphatic dicarboxylic acid having 6-12 carbon atoms and the fatty acid based dicarboxylic acid and/or diamine derived there from, the mixture containing less than 50 wt % water and distilling the mixture to less than 15 wt % of water at a pressure of less than 16 barg, while keeping the mixture at a temperature high enough to keep it liquid, b) starting the polymerization of the mixture obtained in step a) by increasing the temperature until to at least 180° C. until at least 80% of the reactive groups has been converted, c) optionally supplying further 1,4-butylene diamine, an aliphatic dicarboxylic acid having 6-12 carbon atoms and a fatty acid based dicarboxylic acid and/or diamine derived there from to the reaction mixture. The invention further relates to the polyamides obtained, a composition comprising the polyamide and the shaped articles made out of the composition. | 10-23-2014 |
| 20140316063 | THERMOPLASTIC COMPOSITE MATERIAL REINFORCED WITH SYNTHETIC FIBERS AND MANUFACTURING PROCESS - A method for producing a composite material, including an assembly of one or a plurality of synthetic reinforcement fibres, impregnated with at least one thermoplastic polymer having a vitreous transition temperature Tg greater than or equal to 80° C. including: i) a step of impregnating said assembly with a precursor composition in the molten state and including: a) at least one prepolymer P(X)n of said thermoplastic polymer, including a molecular chain P having, at the ends n thereof, identical reactive functions X, said prepolymer having a semi-aromatic and/or semi-cycloaliphatic structure, b) at least one chain extender including two identical functions Y, which are reactive with at least one of said functions X; ii) a step of polymerisation by mass (poly)addition, in the molten state, of said prepolymer with said chain extender, with said thermoplastic polymer of the thermoplastic matrix being the result of said polymerisation by mass polyaddition. | 10-23-2014 |
| 20140378610 | NON-BLISTERING POLYAMIDE COMPOSITION - The invention relates to a polyamide composition with an increased resistance against blistering that is for example the result of a reflow soldering process. The composition comprises: A) 99-50 wt % of at least one polyamide A derived from: A1) at least one di-amine monomer having 4 carbon atoms and wherein the amount of C4-diamine is at least 2 mol % relative to the total amount of di-amine and, A2) at least one di-acid monomer, wherein at least one of the monomers has at least one aromatic structural unit, and wherein the polyamide A, has a molecular weight, expressed as Mn, of at least 9000 g/mol, and B) 1-50 wt % of at least one reinforcing agent and C) 0-20 wt % of inorganic fillers and/or additives, D) 0-49 wt % of one or more polymers other than A) wherein the sum of A, B, C and D amounts to 100 wt %. The invention also relates to the use of the polyamide composition and to a shaped article made out of the polyamide composition. | 12-25-2014 |
| 20150337083 | NOVEL POLYAMIDE, PREPARATION PROCESS AND USES - The present invention relates to a novel polyamide synthesized from biobased monomers. The novel polyamide comprises the repeat unit of following formula (I). The present invention also relates to the process for the preparation of said polyamide, to its uses and to articles and compositions comprising said polyamide. | 11-26-2015 |
| 20150361217 | A Polyamide Resin and Its Application and Polyamide Composition Thereof - The present invention discloses a polyamide resin and its application and polyamide composition thereof. The repeating units of the described polyamide resin comprises the following components: dicarboxylic acid units composed 80-100 mol % of polyamide resin; aliphatic diamines units having 2-14 carbon atoms composed 80-100 mol % of polyamide resin; lactam or amino acid units having 6-14 carbon atoms composed 0-20 mol % of polyamide resin; in the described polyamide resin, the bio-based carbon concentration is more than 45%; the described bio-based carbon mole concentration is calculated according to the formula below: bio-based carbon concentration=(bio-based carbon mole content/total organic carbon mole content)*100%. The described polyamide resin in the present invention has low gas volatile, hence the polyamide composition produced thereof has low gas volatile too, and can be applied to food-contact field. In addition, the surface condition after reflow soldering of the polyamide composition produced is good. | 12-17-2015 |
| 20150368398 | COMPOSITE COMPRISING A MATRIX MATERIAL MADE OF AN AMORPHOUS POLYAMIDE AND USE THEREOF - The invention relates to a composite which comprises a matrix material made of an amorphous polyamide with a glass transition temperature of at least 180° C. The composites according to the invention are used for the production of reinforced components in the fields of sport, leisure, engineering industry, electronics, construction, medical technology, communication and transport means and aeronautical and aerospace engineering. | 12-24-2015 |
| 20150376377 | SEMIAROMATIC POLYAMIDE RESIN COMPOSITION AND MOLDED BODY FORMED BY MOLDING SAME - Disclosed is a semiaromatic polyamide resin composition including a semiaromatic polyamide (A), a phosphorus-based flame retardant (B) and an inorganic aluminum compound (C), wherein the mass ratio (A/B) between (A) and (B) is 50/50 to 95/5; the amount of the inorganic aluminum compound (C) is 0.1 to 20 parts by mass in relation to 100 parts by mass of the total amount of (A) and (B); (A) is constituted with an aromatic dicarboxylic acid component, an aliphatic diamine component and a monocarboxylic acid component; and the content of the monocarboxylic acid component is 0.3 to 4.0 mol % in relation to the whole monomer components constituting (A). | 12-31-2015 |
| 20160046766 | Polymerization Coupled Compounding Process - Provided is a process for preparing an improved compounded product and a compounded product prepared by the described process. | 02-18-2016 |
| 20160046836 | METAL-COATING MATERIAL - The present invention provides a metal coating material containing a polyether polyamide (A) in which a diamine constituent unit thereof includes constituent units derived from a polyether diamine compound (a-1) having a specified structure and a xylylenediamine (a-2), and a dicarboxylic acid constituent unit thereof includes a constituent unit derived from an α,ω-linear aliphatic dicarboxylic acid (a-3) having from 4 to 20 carbon atoms, the metal coating material having favorable abrasion resistance and oil resistance and excellent adhesive properties to metals. | 02-18-2016 |
| 20160053091 | POLYAMIDE RESIN COMPOSITION REINFORCED WITH GLASS FIBER - The present invention provides a polyamide resin composition reinforced with glass fiber which can produce a molded product having high anti-vibration property or, in other words, having very high resonance frequency and having, upon necessity, excellent weather-resisting color fastness. A polyamide resin composition reinforced with glass fiber, comprising a polyamide resin (A) constituted from aliphatic polyamide (a1) and aromatic component-containing polyamide (a2), and glass fibers (B) having a cross-sectional area of 1.5 to 5.0×10 | 02-25-2016 |
| 20160053093 | Polyamide-Based Resin Composition Having Excellent Flexural Modulus and Impact Strength - Disclosed is a polyamide-based resin composition comprising (A) 20 to 60% by weight of an aliphatic polyamide resin having 16 to 24 carbon atoms, and (B) 40 to 80% by weight of a glass fiber having a fibrous shape and a ratio of a short axis to a long axis of 1:2 to 1:6 in cross section. The polyamide-based resin composition according to the present invention exhibits excellent flexural modulus and impact strength. | 02-25-2016 |
| 20160115278 | HIGH PERFORMANCE POLYMER AND PROCESS THEREFOR - A polymeric material process includes increasing a mobility within a polymer to enables specific alignment of polymer chains. | 04-28-2016 |
| 20160145390 | PROCESS FOR THE CONTINUOUS PREPARATION OF AN ALIPHATIC OR PARTIALLY AROMATIC POLYAMIDE - The present invention relates to a process for the preparation of an aliphatic or partially aromatic polyamide, in which an aqueous composition of the monomers is subjected to an oligomerization at elevated temperature and increased pressure, the reaction mixture is optionally subjected to a first decompression to reduce the water content, the (optionally decompressed) reaction mixture is heated within a short time to a temperature above the melting temperature of the polyamides and the heated reaction mixture is subjected to a (further) decompression to reduce the water content and to an after-polymerization. | 05-26-2016 |
| 20160145419 | CRYSTALLIZABLE THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE - Provided is resin molded articles having large elastic modulus, and good appearance. A thermoplastic resin composition contains 80 to 120 parts by weight of a carbon fiber and 0.1 to 3.0 parts by weight of a black colorant, per 100 parts by weight of a (A) crystallizable thermoplastic resin which shows a semicrystallization time (ST (P)) of 20 to 500 seconds, wherein the semicrystallization time is measured by depolarization photometry, under conditions that a sample melting temperature is 20 to 40° C. higher than a melting point of the crystallizable thermoplastic resin, a sample melting time is 3 minutes, and an oil bath temperature for crystallization is 140° C. | 05-26-2016 |
| 20160152770 | SEMI-AROMATIC COPOLYAMIDES HAVING HIGH GLASS TRANSITION TEMPERATURE AND HIGH DEGREE OF CRYSTALLINITY | 06-02-2016 |
| 20160251479 | POLYAMIDES CONTAINING THE BIO-BASED 2,5-FURANDICARBOXYLIC ACID | 09-01-2016 |
| 20180022900 | POLYAMIDE MOULDING COMPOSITION AND MOULDED ARTICLE MADE FROM THIS MOULDING COMPOSITION | 01-25-2018 |
