Abstract: Provided is a method for producing a polyarylene sulfide resin, the method including subjecting a dihaloaromatic compound and a sulfidizing agent to a polymerization reaction in the presence of an aliphatic cyclic compound having a ring openable by hydrolysis, in which corrosion of a production apparatus is suppressed. More particularly, provided is a method for producing a polyarylene sulfide resin, the method including a dehydration step (1) in which a water-containing sulfidizing agent and an aliphatic cyclic compound having a ring openable by hydrolysis are heated in the presence of a dihaloaromatic compound to a liquid temperature in the range of 90° C. or higher and 170° C. or lower under the atmospheric pressure, and then dehydration is performed while maintaining the liquid temperature and reducing the pressure to a pressure in the range of 30 [kPa abs] or higher and 80 [kPa abs] or lower to thus obtain a mixture.

Abstract: A door assembly can include a core layer, a backing layer, and a façade layer. The core layer can define a façade side and a back side opposite the façade side. The core layer can include a rail and a plurality of stiles coupled to the rail. The backing layer can be adhered to the back side of the core layer. The façade layer can be adhered to the façade side of the core layer. The façade layer can include a plurality of frame segments defining an outer surface comprised of polymer and the plurality of frame segments defining a mating surface adhered to the façade side of the core layer.

Abstract: A laminating apparatus includes workpiece transport units, a vacuum laminating device and a flat press device. The flat press device includes a ball screw having a screw shaft and supporting a first one of a pair of pressing elements, a servomotor connected to the screw shaft of the ball screw, a gap measuring device (linear scale) for measuring a distance between the first pressing element and the second pressing element, and a pressing gap control system for moving the first pressing element to a position in which a predetermined gap is defined between the first pressing element and the second pressing element to stop the first pressing element at that position. The pressing gap control system changes the RPM of the servomotor, based on information on the distance between the first and second pressing elements which is provided from the gap measuring device.

Abstract: A copolymer includes a first structural unit selected from Chemical Formula 1, Chemical Formula 2, and a combination thereof and a second structural unit selected from Chemical Formula 3, Chemical Formula 4, and a combination thereof; and a composition including the copolymer and an article manufactured from the composition are provided. Definitions of Chemical Formulae 1 to 4 are the same as described in the detailed description.

Abstract: A membrane useful in gas separation, the membrane comprising a cross-linked polysiloxane structure having a cross-link density of about 0.1×10?5 mol/cm3 to about 6×10?5 mol/cm3, where, in particular embodiments, the cross-linked polysiloxane structure has the following general structure: wherein R1, R2, R3, R4, R5, and R6 are independently selected from hydrocarbon groups having at least 1 and up to 6 carbon atoms; A1 and A2 are independently selected from cyclic hydrocarbon groups; L1 and L2 are linking groups or covalent bonds; n is an integer of at least 1; r and s are independently selected from integers of at least 1; and p is an integer of at least 10. The invention also includes methods for making and using the above-described membranes for gas separation.

Abstract: The invention is directed to a macromer comprising unit derived from a siloxane diol, di-isocyanates and a diol comprising a pendant group comprising an oligomer or polymer derived from methyl oxazoline or ethyl oxazoline. The invention also relates to a process for the preparation of said macromers, and to that the use of said macromers. The macromers according to the invention may be used in lenses, such as ophthalmic lenses. Films comprising the macromers according to the invention provide a surprisingly low modulus in combination with a high water content and oxidative stability.

Abstract: A curable phenylorganosiloxane polymer composition comprising: (a) 100 parts by weight of a phenylorganosiloxane having a viscosity of at least 10000 mPa·s at 25° C. and at least two reactive groups per molecule selected from (i) —OH or hydrolysable groups and (ii) unsaturated groups; (c) 0 to 500 parts by weight of fillers per 100 parts by weight of (a); (d) a suitable cure package comprising a cross-linker and a catalyst the suitable cure package being selected from a silane or polyorganosiloxane and a condensation catalyst when (a) is (a) (i) or a hydrosilylation catalyst when (a) is (a) (ii); and (b) 0.1 to 300 parts by weight of at least one phenyl siloxane resin per 100 parts by weight of (a). The compositions are especially useful in sealants (particularly in sealants for insulating glass units (IGUs), due to their low gas permeability), in conformal coatings and for corrosion protection.

Abstract: The invention provides a curable resin composition which comprising: 100 parts by mass of a main component (X) (a refractive index: RIX) containing at least one of a silicone resin, a modified silicone resin, an epoxy resin and a modified epoxy resin, and exceeding 0 part by mass and 100 parts by mass or less of an additive (Y) (a refractive index: RIY) containing at least one of a silicone resin, a modified silicone resin, an epoxy resin and a modified epoxy resin, and having a different refractive index as that of the main component (X) being added and dispersed therein, wherein the difference of the refractive indexes of the main component (X) and the additive (Y) being |RIX?RIY|?0.0050 in an uncured state.

Abstract: A curable silicone composition comprises at least (A) an organopolysiloxane having at least two alkenyl groups in a molecule, (B) an organopolysiloxane having at least two silicon-bonded hydrogen atoms in a molecule, (C) a hydrosilylation reaction catalyst, (D) an approximately spherical silica fine powder having an average particle diameter of 50 ?m or less and (E) glass fibers having an average fiber length of 1,000 ?m or less and an average fiber diameter of 30 ?m or less. A cured product produced by curing the curable silicone composition is also disclosed.

Abstract: A method of molding a composition comprising a thermotropic liquid crystalline polymer (TLCP) comprising mesogens; providing a mold having a mold cavity, with a feature cavity (43) comprising a fine feature chamber; heating the composition to form molten composition; filling the fine feature chamber with molten composition moving at a flow velocity that causes flow alignment of at least a portion of the mesogens in the molten TLCP filling the fine feature chamber (49), relative to a flow direction of the moving molten composition; and solidifying the molten composition such that mesogens of at least the solidified TLCP in the fine feature chamber maintain their flow alignment. A molded article comprising a body and a 3-dimensional structural feature protruding out from the body and comprising a fine feature element having a minor dimension, with TLCP mesogens across the minor dimension being in a flow aligned state.

Abstract: Methods of making fiber-resin compositions are described. The method may include the providing of a reactive resin composition to an extruder, where the reactive resin composition may include monomers, oligomers, or both, that are capable of polymerizing into a thermoplastic resin. The method may further include combining the reactive resin composition with a plurality of reactive fibers that are also supplied to the extruder. The plurality of reactive fibers may be sized with at least one polymerization agent and/or coupling agent. The fiber-resin composition may be extruded from the extruder, where the composition includes a thermoplastic resin in contact with the plurality of fibers that is formed by the polymerization of the monomers and/or oligomers of the reactive resin composition. Also described are methods of making fiber-reinforced composite articles from the fiber-resin composition.

Abstract: According to one or more embodiments, a polymeric article includes a polymeric composition, which in turn includes a polymeric material in a first weight percent, a non-metallic fibrous material in a second weight percent, and a metallic fiber material in a third weight percent and being intermixed with the non-metallic fibrous material. The polymeric material may include at least one of epoxy, vinyl ester, and/or polyester. The fibrous material may include at least one of glass fiber and carbon fiber. The metallic fiber material may include at least one of steel and aluminum.

Abstract: A method for marking an item including a shape memory polymer (SMP) having a visual readable and/or machine readable graphic element on the surface of the item. The method includes pretreating the surface of the item; colouring the surface of the item with a dye solution containing an organic dye and an organic solvent; cleaning and drying the surface of the item; and engraving by at least partially ablating the surface of the item. The dyeing process is suitable for colouring the surface of a shape memory polymer (SMP), wherein the information is engraved in a form of a code or other label on the coloured surface. The colouring causes an increased contrast and thus facilitates machine readability of marking and coding without affecting the other properties of the SMP.

Abstract: A polymeric composite derived from a reclaimed polymeric material. The polymeric composite in particulate form can be thermally compressed into panels and other embodiments that require a component that possesses sufficient mechanical strength and moisture resistance. In certain embodiments, the panel may be utilized as one layer in a multilayered article.

Abstract: The present invention relates to a process for manufacturing a composite article comprising cellulose pulp fibers and a thermoplastic matrix, wherein said process comprises the steps of: a) mixing a refined aqueous pulp suspension with a water suspension of thermoplastic fibers into a composition, b) forming the composition into a fiber web, c) dewatering the fiber web, d) drying the fiber web, and e) heating and pressing the dried fiber web from step d) to melt said thermoplastic fibers into a thermoplastic matrix and form a composite article.

Abstract: The present invention relates to biodegradable polymers, and especially polyacrylic and/or polyaspartic acid based biodegradable polymers. Further, the present invention relates to methods for the preparation of the present biodegradable polymers and the use thereof as, for example, protective layer or packaging material. Specifically, the present invention relates to methods for preparing a biodegradable polymer comprising: a) preparing an acidic mixture of polyacrylic and/or polyaspartic acid, sodium ions, one or more oligosaccharides, or derivatives thereof, and water, wherein the resulting mixture has a pH equal to or lower than 5; b) maintaining the temperature of said acidic mixture in a range of from 80° C. to 130° C. until an homogeneous suspension is obtained; and c) adding polyvinyl alcohol (PVA) and one or more polycarboxylic acids, or derivatives thereof, to the mixture of step (b) while maintaining the temperature in a range of from 80° C. to 130° C. until the biodegradable polymer is formed.

Abstract: A component of a slip assembly is formed by rolling sheet molding compound into a rolled charge. The rolled charge is positioned in a compression molding press and compressed to produce a molded element. The molded element is removed from the compression molding press and can be machined for use as the component of the slip assembly. The component can be a slip segment or can be a cylindrical body for the slip segment. The compound layers in the molded component can be oriented in a number of different orientations in the component and can increase the overall strength of the component.

Abstract: Described is a method for chamfering the end of a pipe (2) made from thermoplastic material, comprising the following steps: localised and circumferential heating of an axial portion (3) of the pipe (2) at a predetermined temperature; plastic deformation of the heated axial portion (3) using a tool (4) for forming a chamfer on the axial portion (3).

Abstract: A molded product manufacturing method and a molded product manufacturing apparatus are realized, each of which has improved quality and productivity of a molded product. A pressure to be applied to an upper mold (ML) and a lower mold (ML) is reduced in stages during a process from a start of decrease in internal temperatures of the upper mold (ML) and the lower mold (ML) to a complete mold-release of a resin component (W). This prevents an excessive load from being applied to the resin component (W) which has been molded but has not been mold-released.

Abstract: The present invention relates to lignocellulose materials which comprise A) 30 to 98 wt % of one or more lignocellulosic substances, B) 1 to 25 wt % of expanded plastics particles having a bulk density in the range from 10 to 150 kg/m3, C) 1 to 50 wt % of a binder selected from the group consisting of amino resin, phenol-formaldehyde resin, organic isocyanate having at least two isocyanate groups, or mixtures thereof, optionally with a curing agent, and D) 0 to 68 wt % of additives, wherein component B) or the original expandable plastics particles are coated with at least one coating material before, during, or after expansion.

Abstract: A method of making a reinforced resin structure is disclosed. A volume of uncured resin compound is placed on a first outer surface of a carrier structure comprising a plurality of fibers. The uncured resin compound and the carrier structure are pressed between two cooperating plates to disperse the resin compound into and through a plurality of passages between the plurality of fibers. The dispersed resin compound is cured to fix the resin within the plurality of passages and around the plurality of fibers.

Abstract: The molding method of the present invention configures: a mandrel 2 being a mold for molding the material of a fiber-reinforced plastic 1 and having multiple pieces 21 to 24 adjacent to one another in a longitudinal direction D; and an angle material 3 formed of a material having a linear expansion coefficient approximate to the linear expansion coefficient of the fiber-reinforced plastic, and aligning the pieces 21 to 24 along the longitudinal direction D. The method includes: a mandrel disposing step S2 of disposing the pieces 21 to 24 with gaps G1 to G3 between one another; an angle material disposing step S3 of disposing the angle material 3 on the pieces 21 to 24; and a heating to cure and molding step S5 of molding the fiber-reinforced plastic by heating the material of the fiber-reinforced plastic while aligning the pieces 21 to 24 by the angle material 3.

Abstract: A fiber-reinforced resin molded article 10 of the present invention includes fiber sheets 1, 3 and a resin foam sheet 2 attached to each other. The fiber sheets 1, 3 are respectively disposed on principal planes on both sides of the resin foam sheet 2, and at least one of the fiber sheets is formed of a glass fiber nonwoven fabric. The fiber-reinforced resin molded article 10 is used as an interior material for a vehicle. According to the present invention, a fiber-reinforced resin molded article in which wrinkles on a surface are reduced and an interior material for a vehicle using the article can be provided.

Abstract: A composite material includes a polymer matrix and silica gel, which is bound in the polymer matrix. The volume fraction of the silica gel to the volume fraction of the composite material amounts to at least 50%, especially at least 65%. An electronic device, especially measuring device, includes at least one housing having at least one inner space, which contains an electronic circuit, wherein the device has at least one gas path, via which moisture can get into the housing, wherein the device has at least one formed body of the composite material.

Abstract: A syntactic foam insulator with co-shrinkage in the form of an insulating material formed by the inclusion of microballoons in a matrix material such that the microballoons and the matrix material exhibit co-shrinkage upon processing. The syntactic foam insulator can be formed by a variety of microballoon-matrix material combinations such as polymer microballoons in a preceramic matrix material. The matrix materials generally contain fine, rigid fillers.

Abstract: A polylactic acid based resin composition includes a polylactic acid based resin (A), a flame retardant (B) and a carbodiimide compound (C), the flame retardant (B) including at least a phosphorus compound (b1) having a phosphaphenanthrene skeleton and a hydroxy group, and the carbodiimide compound (C) including at least an aliphatic carbodiimide.

Abstract: In order to obtain a graphite film having an excellent thermal diffusivity, a high density, and excellent flatness without flaws, recesses and wrinkles on the surface, the process for producing a graphite film according to the present invention comprises the graphitization step for a raw material film made of a polymer film and/or a carbonized polymer film and/or the post-planar pressurization step for the film in this order to prepare a graphite film, wherein the graphitization step is a step of thermally treating two or more stacked raw material films at a highest temperature of 2,000° C. and includes a method of electrically heating the raw material films themselves and/or a method of thermally treating the films while applying pressure to the films planarly, and the post-planar pressurization step includes a method of planarly pressurizing the one raw material film or the multiple stacked raw material films after graphitization by single-plate press or vacuum press.

Abstract: A connection is between a monolithic metal component and a continuous-fiber reinforced laminate component wherein the metal component and the laminate component are joined at the ends thereof. A method allows for the production of the connection between the monolithic metal component and the continuous-fiber reinforced laminate component.

Abstract: Disclosed are composites comprising water-soluble polymeric fibers dispersed in a biodegradable polymer matrix, as well as methods of making and using such composites.

Abstract: An airbag enclosure has a cover formed by a rigid panel having a portion forming a flap defined by a plurality of sides all formed as breakaway lines and one of which also forms a hinge. The cover is made of a thermoplastic laminate that has a plurality of first layers alternating with a plurality of second layers. The first layers each consist of a homogenous thermoplastic film of a polyolefin copolymer, polyester, or a polyester copolymer. The second layers each consist of an array of strips, fibers, or filaments of polypropylene or polyester.

Abstract: A method for compression molding of poly(arylene ether) powder comprises introducing a powder comprising unheated poly(arylene ether) powder to compaction equipment comprising a compression mold and subjecting the powder in the compression mold to a pressure sufficient to produce an article having a density greater than the unheated poly(arylene ether) powder wherein the pressure is applied at a temperature less than the glass transition temperature of the poly(arylene ether) powder.

Abstract: A chew toy product is made of multiple layers of silicone. Liquid silicone layers are vulcanized to a solid silicone layer to form a unitary solid silicone chew toy. Each of the layers can include a silicone colorant, so the chew toy can have multiple colors.

Abstract: A swellable packer including a tubular member and a swellable element. The tubular member is disposable on a mandrel configured to be deployed into a wellbore. The swellable element is disposed around the tubular member, and has segments of different cross link densities, with the segments configured to provide a varying cross link density in the swellable element along a thickness of the swellable element, an azimuth of the swellable element, or both.

Abstract: A device is formed by the process into a bone screw or fastener, wherein the head has a degree of polymer alignment and strength, and wherein the shank has a higher degree of polymer alignment and strength. In practice of the present invention, the polymer slug is pressed into the die cavity by the actuation of ram press, causing the slug to conform to the die cavity. Through this process, the polymer molecular orientation is aligned to different degrees, in different zones of the device.

Abstract: An apparatus for pre-activation of a polymer electrolyte fuel cell includes a first plate and a second plate hot pressing the unit cell stack, each having a flow channel supplying water vapor to opposing inner surfaces with the unit cell stack therebetween and including a resistor producing heat, a compressor, a temperature controller and a water vapor supplier connected to the flow channels of the plates. The apparatus for pre-activating a polymer electrolyte fuel cell may be used to prepare a prep-activated integrated body of a polymer electrolyte fuel cell membrane electrode assembly and gas diffusion layers by performing hot pressing while supplying water vapor to the unit cell stack to hydrate the polymer electrolyte membrane.

Abstract: Cultured stone materials, and products including the same, have a plastic component and particulate calcium sulfate filler, which may be a calcium sulfate filler in the form of calcium sulfate dihydrate filler that provides fire retardancy, and the filer provides other processing and product benefits. The cultured stone materials may be made by converting a mixture of a plastic component and particulate calcium sulfate filler to a rigid shaped form.

Abstract: Methods for creating a foam-like texture on an implantable material are provided. More particularly, methods for creating foam-like texture on implantable silicone materials are provided.

Abstract: The invention relates to antimicrobial plastics products which comprise, as the antimicrobially active component, silver orthophosphate or particles of partly reduced silver orthophosphate. The plastics products have a very good antimicrobial efficacy. The production process achieves the effect that the plastics products, in spite of their content of silver orthophosphate or partly reduced silver orthophosphate, are not discolored under the action of light.

Abstract: A method of making a membrane for use with a flow control system is disclosed. A female mold body portion and a male mold body portion are provided. A body portion support member configured to receive at least a portion of the female body portion and at least a portion of the male body portion is provided. The female and male body portions are separated from one another Membrane manufacturing material is provided to a concave portion of the female mold body portion. The sleeve is moved downward. The lower mold portion is lowered until it is just short of its final intended position. Excess membrane manufacturing material, if any, is removed from around the seam of the mold. The upper mold portion is lowered the remaining distance so that the two mold portions are separated by the exact distance desired for the final membrane thickness.

Abstract: Compression molding methods of manufacturing a shaped article are provided. The methods include compression molding thermoplastic resin-based material to provide a molded article, where thermoplastic resin-based material comprises a plurality of controlled geometry pellets. The pellets include at least one generally flat face having a cross-sectional shape with a rectangular envelope having an aspect ratio of at least 1.5. The controlled geometry pellets may include a plurality of reinforcing particulates dispersed throughout the thermoplastic resin. The reinforcing particulates typically have a largest dimension which is no more than about 90% of the largest pellet dimension.

Abstract: The invention is a fiber reinforced composite. The fiber reinforced composite comprises a matrix material and stainless steel fibers. The stainless steel fibers have a polygonal cross section and the stainless steel fibers have an annealed microstructure.

Abstract: The present invention concerns a process for manufacturing a thermoformable plasticized composite containing cellulose fiber and polylactide by blending the dry cellulose fiber and a compatibilizer in a compactor into pellets, and subsequently reacting the reactive compatibilizer and the mixture of cellulose fiber and polylactide by compounding. The invention also concerns a composite manufactured using said process, as well as further processed products.

Abstract: The present invention provides methods for making shapeable composite materials or shaped articles from recycled materials comprising forming a crumb slurry by, in any order, increasing the particle size of a composition comprising white water waste from one or more emulsion or dispersion polymer and combining the white water waste polymer with one or more waste thermoset material, preferably, ground tire rubber (GTR), and, then processing the combined material wet or dry as a thermoplastic to form the composite material or article. Additionally, shaped articles and composite materials can be made from substantially all recycled waste materials, such as white water waste from acrylic or vinyl polymer emulsions and waste rubber vulcanizates. The composite materials can consist essentially of reshapeable materials, i.e. without crosslinking agents, thermosettable compositions or compatibilizers to provide reshapeable or recyclable articles.

Abstract: A brick comprises a thermoplastic material, such as high density polyethylene (HDPE), and a cement-containing material. The brick may be made by mixing thermoplastic material and dry, uncured cement-containing material. This mixture is placed in a mold. The mold is heated while the mixture is compressed to melt or soften the thermoplastic material and to bind the particulate material in the mold into the shape of a brick. After the hardened brick is removed from the mold, the surface of the brick may be sprayed with water to cure cement-containing material on the surface of the brick.

Abstract: The present invention relates to a high strength organic/inorganic composite using plate-shaped inorganic particles and to a method for preparing the same. The organic/inorganic composite of the present invention comprises a polymer and inorganic particles uniformly arranged into a matrix structure in said polymer. A mineral bridge is formed between the inorganic particles. According to the present invention, plate-shaped inorganic particles are uniformly distributed in the polymer to improve the filling rate of inorganic particles, and a mineral bridge is formed between the inorganic particles to provide a high strength and lightweight organic/inorganic composite. The organic/inorganic composite of the present invention may be widely used in high value-added industry such as an aerospace industry, space industry, car industry, energy industry, environmental industry, defense industry and construction industry.

Abstract: A mounting part (11) for affixing a composite fiber part of a motor vehicle to at least one adjoining component of a motor vehicle is made from a fiber composite material. The mounting part (11) has a three-dimensionally shape that defines ribs and/or webs and/or protrusions and/or depressions.

Abstract: A process for the preparation of thermal insulation sheets fashioned from certain unseparated mixtures of post-consumer plastic articles is disclosed. The mixtures of such articles contain polyethylene terephthalate (PET) and polystyrene (PS) and optionally also articles made of high density polyethylene (HDPE). An unseparated mixture of such articles is provided. This mixture is crushed and shredded to form plastic flakes, and these plastic flakes are then homogenized. Homogenization of the flakes can be carried out either by melt-blending them or by further comminution to produce very fine particles of the mixed plastics. The resulting homogenized mixture of plastic types is then compression molded into sheets.

Abstract: The invention provides systems and methods for preparing a plastic containing feedstream for conversion to valuable carbon-containing products such as synthetic crude oil. In some systems and methods, the plastic material is prepared from carpet scrap.

Abstract: The invention provides a method for making silicone hydrogel contact lenses. The method of the invention is characterized by using a solvent mixture including at least one organic solvent which dissolves the polymerizable material in a lens-forming composition and a small amount of water. By having a small amount of water in the lens-forming composition, the mechanical strength of lenses cast-molded from the lens-forming composition can be sufficiently high so that the lenses can survives during mold opening and demolding process, thereby increasing the production yield.

Abstract: A method for producing a film comprising feeding a composition comprising a crystalline thermoplastic resin having a temperature of higher than the crystallization temperature Tc of the resin to between a first nip-pressing surface and a second nip-pressing surface of a nip-pressing unit, and leading the composition to pass through the nip-pressing surfaces while the nip-pressing unit gives a pressure of from 5 to 1000 MPa to the composition, to thereby form the composition into a film continuously.