Abstract: An organic solvent-free phase-inversion emulsification process for a low molecular weight amorphous polyester resin includes forming a mixture by adding to the amorphous polyester resin: i. a surfactant; ii. an aqueous solution of a neutralizing agent; and iii. a portion of water that is about 40% or less of a total amount of water used to form a phase-inversion emulsion, heating the mixture to dissolve the amorphous polyester resin to provide a dissolved amorphous polyester and adding water up to the total amount of water to the dissolved amorphous polyester to form a latex of the amorphous polyester resin. The resultant latex is used in processes of making a toner composition. A latex of an amorphous polyester resins is made by such processes have latex particles that are unimodal.
Type:
Application
Filed:
October 26, 2018
Publication date:
April 30, 2020
Inventors:
Hajir Mokhtari, Shivanthi Easwari Sriskandha, Guerino G. Sacripante
Abstract: Lignin pellets comprising fused lignin are described herein. The lignin pellets may further comprise a processing aid, and/or a surfactant, and/or a chemical modifying agent, and/or a compatibilizer and/or a thermoplastic polymer. An extrusion process for producing the lignin pellets and their use in the manufacture of lignin thermoplastic blend products, polyols, polyphenols, polyaromatics and polyurethanes is also disclosed herein. The extruded lignin pellet may be dry-blended with additional thermoplastic and/or additive and then directly processed using processes such as injection molding, compression molding, extrusion, extrusion coating, blowing, thermoforming, stamping, foaming, fiber drawing, calendering or rolling.
Type:
Application
Filed:
August 23, 2017
Publication date:
April 30, 2020
Inventors:
Minh Tan TON-THAT, Hongbo LI, Eric PATENAUDE, Bruno MARCOCCIA, Shabnam SANAEI
Abstract: Methods of manufacturing high-temperature composite materials using carbon nanotube to improve the efficiency of insulation applied to propulsion systems for aerospace equipment including 5 steps: step 1: Select necessary materials and equipment, step 2: disperse MW-CNTs in the polar solution, step 3: distribute MW-CNTs evenly in the resin, step 4: eliminate residual solvents, step 5: curing phenolic resin composites.
Type:
Application
Filed:
October 28, 2019
Publication date:
April 30, 2020
Applicant:
VIETTEL GROUP
Inventors:
DINH NGUYEN NGUYEN, KY NAM PHAM, TRONG DAI VU
Abstract: This invention relates to a polymer membrane comprising a hydrogen bond donor polymer and a hydrogen bond acceptor polymer and to the use of such membrane as the shell of a capsule. The invention also relates to a method of manufacturing a polymer membrane comprising a step of contacting an aqueous phase comprising a first polymer, and an oil phase comprising a second different polymer; wherein one polymer is a hydrogen bond donor polymer and the other polymer is a hydrogen bond acceptor polymer. The invention also relates to a method of encapsulation comprising a step of manufacturing a polymer membrane.
Type:
Application
Filed:
March 16, 2018
Publication date:
April 30, 2020
Inventors:
Cécile MONTEUX, Julien DUPRÉ DE BAUBIGNY, Mathilde REYSSAT, Patrick PERRIN, Nadège PANTOUSTIER
Abstract: The invention relates to a process for preparing a biaxially oriented multilayered film, the film comprising at least one layer comprising a polyolefin composition and at least one layer comprising a polyamide composition, the process comprising the steps of: a) Melting a polyamide composition comprising: i. a semi-crystalline polyamide Y comprising: ?monomeric units derived from caprolactam in an amount of at least 75 wt %; ?monomeric units derived from an aliphatic diamine in an amount of between 2.5 and 12.5 wt %; ?monomeric units derived from an aromatic diacid in an amount of between 2.5 and 12.5 wt %; wherein the weight percentage is given with respect to the total weight of the polyamide Y; ii. an amorphous polyamide in an amount of between 2.
Type:
Application
Filed:
April 19, 2018
Publication date:
April 30, 2020
Inventors:
Alexander Antonius Marie STROEKS, Hao CHEN
Abstract: A film having excellent optical homogeneity, which is suitably used as an optical film in an image display device, and a method for manufacturing the same. Moreover, an evaluation method which can evaluate the optical homogeneity of the film with a higher precision than in conventional evaluation methods is provided. A film that is a cast film containing a resin having a weight average molecular weight of 200,000 or more, wherein, when line profiles in a direction h and a direction v which are orthogonal to each other in a film inverse space image obtained by Fourier transforming a projection image obtained by a projection method using the cast film are a line profile h and a line profile v.
Abstract: A sheetlike semifinished product comprising a matrix having at least one latent reactive plastics composition which is curable to afford an elastomer, in particular a thermoplastic elastomer, and fibers embedded in the matrix. A process for producing sheetlike semifinished products is further disclosed.
Type:
Application
Filed:
June 21, 2018
Publication date:
April 30, 2020
Inventors:
Thomas WOLF, Claude HOSOTTE, Philipp FREI, Raphael SCHALLER, Beat BRUDERER
Abstract: A thermosetting resin composition for a fiber-reinforced composite material includes a domain of a base resin [A]; and a domain of a curing agent [B] and/or a domain of a catalyst [C], the thermosetting resin composition having a specific gravity of 0.90 to 1.30, and a complex viscosity ?* determined by dynamic viscoelasticity measurement at 25° C. of 1×107 Pa·s or more.
Abstract: A tape-shaped prepreg includes unidirectionally-oriented reinforcing fibers, and a thermoplastic resin, which prepreg has a good and uniform tape thickness and tensile strength, and which allows for producing a final product at a low cost. The tape-shaped prepreg includes unidirectionally-oriented reinforcing fibers and a thermoplastic resin composition, and has an average thickness of 0.2 mm or more and 1.5 mm or less, a void content of 5% by volume or less, and a degree of dispersity of reinforcing fibers of 0.5 or less.
Abstract: The present disclosure is directed to synthesizing a nanomaterial-polymer composite via in situ interfacial polymerization. A nanomaterial is exposed to a solution having a first solute dissolved in an aqueous solvent to uniformly, or substantially uniformly, distribute the solvent throughout the porosity of the network of the nanomaterial. The nanomaterial is then exposed to a second solution having a second solute dissolved in an organic solvent, which is substantially immiscible with the first solvent, with the first solute reacting with the second solute. The first and second solutions can be stirred, or otherwise moved with respect to each other, to facilitate transport of the second solution throughout the nanomaterial to promote reaction of the polymer within the nanomaterial to produce a polymer composite having uniform morphology.
Type:
Application
Filed:
October 24, 2019
Publication date:
April 30, 2020
Inventors:
Cécile A.C. Chazot, Anastasios John Hart
Abstract: This invention relates to a process for preparing viscoelastic flexible polyurethane foam comprising reacting an isocyanate component with an isocyanate-reactive component that comprises a polyol blend having a hydroxyl number of 56 to 250 and an average functionality of greater than 2, and a hydroxyl-terminated prepolymer. The invention also relates to viscoelastic flexible polyurethane foams.
Abstract: Vanadium oxide nanomaterial composite compositions and substrates including films comprising vanadium oxide nanomaterial composite compositions are described. A film and composition generally including a polymeric matrix; and a crystalline vanadium oxide nanomaterial dispersed in the polymeric matrix, wherein the crystalline vanadium oxide nanomaterial comprises a smallest dimension between about 100 nm and about 5 nm.
Type:
Application
Filed:
June 28, 2018
Publication date:
April 30, 2020
Inventors:
Sarbajit BANERJEE, Kate E. PELCHER, Nathan A. FLEER
Abstract: Provided is a novel magnesium carbonate. The magnesium carbonate has a zeta potential of 5 mV or more and a BET specific surface area of 25 m2/g or more. Such a magnesium carbonate can be used as a resin additive, etc.
Abstract: The present disclosure relates to a reinforcing material for rubber including aluminosilicate particles and a rubber composition for tires including the same. The reinforcing material for rubber according to the present disclosure exhibits excellent dispersibility in the rubber composition and reinforcing effect, and thus can be suitably used for eco-friendly tires requiring high efficiency and high fuel efficiency characteristics.
Type:
Application
Filed:
September 4, 2017
Publication date:
April 30, 2020
Applicant:
LG Chem, Ltd.
Inventors:
Shin Hee JUN, Ha Na LEE, Kwon Il CHOI, Woo Seok KIM, Han Nah JEONG, Myounghwan OH
Abstract: The present invention provides a particulate nucleating agent and a method for manufacturing the same. The particulate nucleating agent has an average radial crushing strength of 0.2-25.0N/cm. A weight content of the active ingredients in the particulate nucleating agent is no less than 90 wt %. The particulate nucleating agent is a transparent particulate nucleating agent. The particulate nucleating agent of the present invention can be fed smoothly during production without the change of the chemical composition thereof, so as to realize uniform dispersion in the polymer and reduce defects such as white dots in the polymer. The present invention breaks the traditional view of refining particles of nucleating agent to obtain a polymer having desirable properties, and avoids adding large amount of materials except the active ingredients during the granulation process of the nucleating agent.
Abstract: Unique 3-PPB monobenzoate analogs useful as plasticizers in polymeric dispersions, such as plastisols, melt compounds, and adhesives among other applications. The analogs are structurally similar to and/or derived from 3-phenylpropyl benzoate and heretofore were not known for use in industrial applications, particularly not as a plasticizer in polymeric applications including without limitation plastisols and adhesives. Depending on the application, the advantages rendered by the use of the inventive monobenzoate analogs include, among other things, excellent solvating properties and rheology, low viscosity and significantly improved viscosity over time, comparable or improved Tg suppression, set and open times, as well as health, safety and environmental advantages, over traditional plasticizers.
Type:
Application
Filed:
December 23, 2019
Publication date:
April 30, 2020
Inventors:
Emily MCBRIDE, Steven D. ROTH, Jerry ANDREWS, William D. ARENDT
Abstract: The present application provides a nucleator composition including trace amount of an aromatic aldehyde, a sorbitol diacetal and a sorbitol triacetal. The nucleator composition of the present application can improve nucleation performance of a polymer, increase transparency, glossiness, flexural modulus and tensile strength of polymer films, polymer sheets and polymer moulding articles, and can improve heat distortion temperature and dimensional stability of polymer articles. In addition, a polymer contains the nucleator composition of the present application will not give off unpleasant odour.
Abstract: The disclosure relates to oxygen scavenging molecules, compositions, methods of making the compositions, articles prepared from the compositions, and methods of making the articles. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
Abstract: The present invention relates to an adjuvant comprising an amide compound and a non-ionic surfactant. The present invention further relates to an aqueous composition comprising said adjuvant and a latex polymer.
Abstract: The present disclosure provides a resin blend. The resin blend includes at least one diluent containing a single phthalonitrile functional group and at least one diphthalonitrile resin. Also provided are prepregs including the resin blend impregnated into continuous reinforcing fibers or a cloth. Similarly, the present disclosure provides a molding compound including chopped reinforcing fibers distributed in the resin blend. An article is also provided, which includes polymerization product of the resin blend. An alternative article includes a substrate and a layer of the resin blend disposed on the substrate. The diluent typically improves processability of the resin blend and lowers the softening temperature of the polymerization product of the resin blend.
Abstract: A resin composition includes: a compound represented by Formula (1); and a resin, in the formula, A and B each independently represent an aromatic hydrocarbon ring or an aromatic heterocycle, Ra and Rb each independently represent a substituent, m1 represents an integer of 0 to mA, m2 represents an integer of 0 to mB, Y1 and Y2 each independently represent an alkyl group, an aryl group, a group represented by Formula (Y-1), or a group represented by Formula (Y-2), and at least one of Y1 or Y2 represents a group represented by Formula (Y-1) or a group represented by Formula (Y-2).
Abstract: Provided is a thermoplastic resin composition excellent in heat resistance, transparency, appearance after shaping, and weather resistance, and in which coloring is suppressed during shaping processing. The thermoplastic resin composition of the present invention includes a copolymer (P1), and an antioxidant (O) represented by General Formula (1), in which the thermoplastic resin composition contains 80% by mass or more of the copolymer (P1) with respect to a total mass of the thermoplastic resin composition, and the copolymer (P1) includes 80 mol % or more of a repeating unit (A) derived from methyl (meth)acrylate (a), 2 mol % or more and 7 mol % or less of a repeating unit (B) derived from (meth)acrylic acid (b), and 0.001 mol % or more and 0.15 mol % or less of a repeating unit (C) having a glutaric anhydride structure.
Abstract: A filler composition comprising fibrous basic magnesium sulfate particles and non-fibrous inorganic micro-particles having an average particle diameter in the range of 0.001 to 0.5 ?m in a ratio by weight in the range of 100:0.001 to 100:50, is used for providing a molded resin product which shows impact resistance and rigidity balanced at a high level.
Abstract: A cut-resistant thermoplastic composition comprises a polymer and ceramic microspheres. The ceramic microspheres have a D90 particle size of from about 20 to about 80 ?m, a D50 particle size of from about 1 to about 15 ?m, and/or a D10 particle size of about 1 ?m. The ceramic microspheres are present in the cut-resistant thermoplastic composition in an amount of from about 5 to about 50 weight percent, based on 100 parts by weight of said thermoplastic composition.
Abstract: The present disclosure relates to an organic-inorganic composite for rubber reinforcement, a method for preparing the same, and a rubber composition for tires including the same. The organic-inorganic composite for rubber reinforcement according to the present disclosure exhibits excellent dispersibility in the rubber composition and reinforcing effect, and thus can be suitably used for eco-friendly tires requiring high efficiency and high fuel efficiency characteristics.
Type:
Application
Filed:
January 5, 2018
Publication date:
April 30, 2020
Applicant:
LG Chem, Ltd.
Inventors:
Woo Seok Kim, Shin Hee Jun, Ha Na Lee, Kwon Il Choi, Myounghwan Oh
Abstract: A rubber composition is based on at least an elastomer, a reinforcing filler and a crosslinking system and a crumb rubber, said crumb having an isoprene elastomer content of greater than 50 phr in the composition of the crumb and a chloroform extract with a weight-average molecular weight of less than 10 000 g/mol.
Abstract: A rubber composition for a conveyor belt includes: a rubber component containing from 80 to 100% by mass of a natural rubber and from 0 to 20% by mass of a butadiene rubber; carbon black; sulfur; and a vulcanization accelerator, in which a content of the carbon black is from 45 to 100 parts by mass with respect to 100 parts by mass of the rubber component, a content of the sulfur is from 0.50 to 2.00 parts by mass with respect to 100 parts by mass of the rubber component, a content of the vulcanization accelerator is 1.50 parts by mass or less with respect to 100 parts by mass of the rubber component, and a mass ratio of the vulcanization accelerator to the sulfur is from 0.50 to 3.00. A conveyor belt includes an upper surface cover rubber layer formed of the rubber composition for a conveyor belt.
Abstract: The present invention relates to a styrene-butadiene rubber compound and a rubber composition for tire bead fillers including the same, and more particularly, to a styrene-butadiene rubber compound capable of improving stiffness and hardness even when styrene-butadiene rubbers having different styrene contents are used instead of a combination of a conventional natural rubber and a phenol-based resin, and a rubber composition for tire bead fillers including the same.
Type:
Application
Filed:
December 28, 2016
Publication date:
April 30, 2020
Applicant:
LG Chem, Ltd.
Inventors:
Se Eun Lee, Byoung Yun Kim, In Sung Jo, Jae Min Lee, Woo Seok Choi
Abstract: Provided is a heavy duty pneumatic tire having excellent abrasion resistance. The heavy duty pneumatic tire includes a tread portion including a rubber composition containing: an isoprene rubber; a butadiene rubber; a styrene-butadiene rubber; and a carbon black having an average particle size of 20 nm or less and/or a cetyltrimethylammonium bromide adsorption specific surface area of 130 m2/g or more, the tread portion having a land ratio of 81% or higher.
Abstract: An aircraft tire has a tread comprising a composition based on at least one elastomeric matrix comprising from 20 to 100 phr of isoprene elastomer and from 0 to 80 phr of a copolymer of butadiene and styrene; a reinforcing filler predominantly comprising carbon black; from 1 to 30 phr of at least one hydrocarbon resin predominantly composed of units derived from aromatic and cycloaliphatic monomers; and a crosslinking system.
Abstract: The present disclosure relates to a rubber composition for tire tread and a tire manufactured by using the same, and the rubber composition for tire tread maintains low fuel consumption performance and can improve braking performance and handling performance on extremely dry and wet road surfaces by comprising 100 parts by weight of raw rubber, 100 to 150 parts by weight of silica, and 15 to 60 parts by weight of resin having a softening point of 100 to 150° C., wherein the raw rubber includes a solution-polymerized styrene butadiene rubber comprising 8 to 30 wt % of styrene, having 20 to 35 wt % of vinyl contained in butadiene, and having a molecular weight distribution of 2 to 5.
Abstract: The present invention relates to a process for producing a vulcanizate which is in contact with coolant and to the use of a vulcanizable composition comprising rubber, silane-coated wollastonite and peroxide compound for production of vulcanizates in contact with coolant. The invention further relates to a process for production and to the use of a vulcanizate produced from a vulcanizable composition comprising rubber, silane-coated wollastonite and peroxide compound as a component part, preferably as a seal or as a hose, in contact with coolant.
Abstract: A blow molded article may include a polymer matrix comprising virgin or recycled polyolefin; and one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles comprise a polar polymer selectively crosslinked with a crosslinking agent. The one or more polymer particles has an average particle size of up to 200 ?m. Further, the blow molded article may possess improved ESCR, while maintaining stacking resistance, drop impact resistance, leakproofness, internal hydrostatic pressure resistance, and/or barrier to volatile organic compounds.
Type:
Application
Filed:
October 24, 2019
Publication date:
April 30, 2020
Applicant:
Braskem S.A.
Inventors:
Bárbara Iria Silva Mano, Marcelo Farah, Mariele Kaipers Stocker, Marcos Roberto Paulino Bueno, Rafael Vilela Laurini, Ronaldo Bollinelli Gomes, Ana Paula Rodrigues Camilo
Abstract: The present disclosure provides a composition containing a polymeric blend. The polymeric blend contains (A) from 50 wt % to 90 wt % of a first ethylene-based polymer having a density from 0.895 g/cc to 0.905 g/cc; and a melt index from 0.1 g/10 min to 50 g/10 min; (B) from 8 wt % to 48 wt % of a second ethylene-based polymer having a density from 0.935 g/cc to 0.967 g/cc; and a melt index from 0.1 g/10 min to 180 g/10 min; and from 0.01 wt % to 2.0 wt % of a slip agent, based on the total weight of the polymeric blend. The polymeric blend has (i) an overall density from 0.900 g/cc to 0.925 g/cc; and (ii) a coefficient of friction (COF) after aging for 1 week at 60° C. from 0.001 to 0.400. The present disclosure also provides a multilayer film with a first layer containing the composition.
Abstract: Provided is a thermoplastic composite, a method for preparing a thermoplastic composite, and an injection-molded product. The thermoplastic composite comprises 35% to 85% by weight of thermoplastic resin, 5% to 45% by weight of a non-cellulosic organic fiber, and hollow glass microspheres in an amount of less than 5% by weight, based on 100% by weight of the total weight of the thermoplastic composite.
Abstract: Disclosed is a polypropylene with an MFR of at least 20 g/10 min comprising a homopolypropylene and within a range from 2 wt % to 20 wt % of a propylene-?-olefin copolymer by weight of the polypropylene, where the homopolypropylene has a MFR within a range from 30 g/10 min to 200 g/10 min, where the propylene-?-olefin copolymer comprises within a range from 30 wt % to 50 wt % ?-olefin derived units by weight of the propylene-?-olefin copolymer, and has an IV within a range from 4 to 9 dL/g. The polypropylene may be obtained by combining a Ziegler-Natta catalyst having two transition metals with propylene in reactors in series to produce the homopolypropylene followed by a gas phase reactor to produce a propylene-?-olefin copolymer blended with the homopolypropylene.
Abstract: A molding composition includes, by weight, 40% to 80% of polypropylene, up to 50% of glass fibers, up to 40% of cellulose fibers, up to 50% of basalt fibers, and 4% to 12% of additives.
Abstract: Embodiments herein include compositions, extruded articles, and methods of making the same. In an embodiment, an extruded article is included. The extruded article can include an extruded segment comprising a first composition. The first composition can include a polymer resin, particles and fibers. The fibers can be disposed within the first composition exhibiting a substantially non-aligned directional orientation. In an embodiment, an extruded article is included having a first portion comprising a first composition having a first fiber orientation and a second portion comprising a second composition having a second fiber orientation. The first composition can include a polymer resin and fibers. The second composition can include a polymer resin, particles and fibers. The fibers of the second composition can be oriented more randomly than the fibers of the first composition. Other embodiments are also included herein.
Type:
Application
Filed:
December 30, 2019
Publication date:
April 30, 2020
Inventors:
Trevor Dean Peterson, Jessica Kathryn Ehrlichmann, Patrick Jerome Gronlund
Abstract: The invention relates to a radiation curable composition for additive-manufacturing processes, the composition comprising (meth)acrylate component(s) not comprising an urethane moiety having a molecular weight Mw of at least 1,000 as Component A1, photo initiator as Component B, red, yellow or orange dye or combination thereof as Component C, blue dye having a light absorption band in the range of 350 to 420 nm as Component D, and optionally stabilizer as Component E. The invention further relates to a process of producing an elastomeric 3-dim article from the radiation curable composition in an additive-manufacturing process and the obtained elastomeric 3-dim article.
Type:
Application
Filed:
May 21, 2018
Publication date:
April 30, 2020
Inventors:
Joachim Zech, Hendrik Grupp, Malte Korten, Ralf Paehl, Dietmar Blees, Gioacchino Raia
Abstract: The present disclosure provides a series of block copolymers including a hydrophilic segment and a hydrophobic segment with varied chain length. The hydrophilic segment includes a segment represented by formula (1), and the hydrophobic segment includes a segment represented by formula (2). Formula (1) and formula (2) are defined as in the specification. The block copolymer can be used as a dispersant of a pigment dispersion composition, a metal oxide dispersion composition or a dye dispersion composition.
Abstract: The present invention relates to a method for the preparation of a synthetic rubber blend, wherein the blend comprises a high molecular weight polydiene (A) and a low molecular weight polydiene (B). The present invention further relates to a synthetic rubber blend obtainable according to the method described herein; as well as to rubber compositions comprising the blend; and articles, such as tires.
Type:
Application
Filed:
July 16, 2018
Publication date:
April 30, 2020
Inventors:
Evemarie HAMANN, Dominique THIELEMANN, Sven K.H. THIELE
Abstract: A thermoplastic acrylonitrile-butadiene-styrene copolymer/lignin blend is provided, whereas the blend comprises (i) an amount of acrylonitrile-butadiene-styrene copolymer; (ii) an amount of lignin; and (iii) an amount of compatibilizing agent capable of imparting improved ductility and impact strength to the resultant blend. Methods of improving impact strength and ductility of a thermoplastic acrylonitrile-butadiene-styrene copolymer/lignin blend and articles made therefrom are also disclosed.
Type:
Application
Filed:
October 25, 2019
Publication date:
April 30, 2020
Inventors:
Christopher D. Webb, William M. Sanford, Adam A. McCall
Abstract: A method for manufacturing a high-density tableware article includes the following steps. The first step is providing a polyester resin composition including 45 to 78% by weight of a blend resin and 20 to 50% by weight of an inorganic filler. The blend resin includes PET resin and PBT resin and the content ratio of PET resin to PBT resin in the blended resin by weight is from 1:0.86 to 1:4.8. The next step is granulating the polyester resin composition to produce plastic granules. The final step is molding the plastic granules into a tableware article.
Abstract: A thermoplastic resin composition and a molded article formed of the same. The thermoplastic resin composition includes: about 100 parts by weight of a polycarbonate resin; about 5 to about 20 parts by weight of a rubber modified aromatic vinyl copolymer resin; about 0.5 to about 3 parts by weight of a maleic anhydride-grafted rubber polymer; about 50 to about 100 parts by weight of glass fibers; about 10 to about 30 parts by weight of barium sulfate; and about 5 to about 20 parts by weight of a phosphorus flame retardant. The thermoplastic resin composition can have high specific gravity and good properties in terms of impact resistance, weather resistance, flame retardancy, fluidity, and the like.
Type:
Application
Filed:
October 29, 2019
Publication date:
April 30, 2020
Inventors:
Ki Hong CHOI, Tae Gon KANG, Sun Young KIM, Sung Woo YANG, Sang Hoon LEE, Seo Hee CHANG, Dong In HA
Abstract: A thermoplastic composition comprising: a copolycarbonate comprising bisphenol A (BPA) carbonate units and 10-50 mol % of second carbonate units different from the BPA carbonate units; a poly(carbonate-arylate ester) copolymer comprising BPA carbonate units and 5-50 mol % of monoaryl arylate ester units; and optionally a BPA homopolycarbonate; wherein the thermoplastic composition has at least one of: a Vicat B120 softening temperature of 155° C. or greater; or a yellowness index of less than 10 on a plaque having a thickness of 3 mm and molded at a temperature of 360° C. for 5 minutes; or an increase in yellowness index of less than 5 after 600 hours of weathering per ISO 11341 on a molded plaque having a thickness of 1 mm.
Type:
Application
Filed:
October 28, 2019
Publication date:
April 30, 2020
Inventors:
MARK ADRIANUS JOHANNES VAN DER MEE, ROLAND SEBASTIAN ASSINK, HENDRIKUS PETRUS CORNELIS VAN HEERBEEK
Abstract: A method of manufacturing a polyurethane phase-change composition comprises forming a curable composition comprising a homogeneous mixture of an organic isocyanate, a polyol having a hydroxyl functionality of 1.5 to 5, and a phase-change material; and curing the curable composition to obtain a polyurethane phase-change composition, wherein the polyurethane phase-change composition has a transition temperature, determined by differential scanning calorimetry according to ASTM D3418, of 5 to 70° C.
Abstract: The polymeric composition of this invention can be used as a temporary support material in the additive manufacturing of three dimensional articles without compromising the quality of the ultimate product, reducing printing speed, increasing cost, increasing the incidence of printer jamming, or requiring printers of increased complexity. This invention more specifically discloses a polymeric composition which is particularly useful as a temporary support material for utilization in three-dimensional printing, said polymeric composition being comprised of a first polymeric component which is suitable for use as a modeling material and a second polymeric component which is immiscible with the first polymeric component, wherein the polymeric composition has a continuous phase, wherein the continuous phase is comprised of the second polymeric component, and wherein the polymeric composition has a Shore A hardness of at least 80.
Abstract: A resin composition contains a (A) thermoplastic component, a (B) thermosetting component, and a (C) inorganic filler, 5%-weight-reduction temperature of a hardened substance of the resin composition being 440 degrees C. or more.
Abstract: A problem addressed by the present invention is to provide a resin out of which a heat-resistant non-woven fabric having a fine fiber diameter can be made by an electrospinning method.