Abstract: The disclosure relates to embodiments of an apparatus for producing polymer composite panels. The polymer composite panels include one or more layers of a polymeric matrix having discontinuous fibers embedded therein. The apparatus has a frame, a deposition bed, and a deposition head configured to move relative to the frame and over the deposition bed. The deposition head includes at least one extruder and a nozzle array. The extruder is configured to force the polymeric matrix and discontinuous fibers through the nozzle array and onto the deposition bed. The deposition head is configured to deposit an entire layer of a polymer composite panel on the deposition bed in a single pass so that the discontinuous fibers are oriented in the direction of the single pass. The disclosure also relates to embodiments of a method of forming a polymer composite panel and to embodiments of a polymer composite panel.

Abstract: A vehicle electric wire includes an electrical insulation coating layer which contains a vinyl chloride resin, a plasticizer and a compound containing a lanthanoid, wherein an electrical conductor is coated with the electrical insulation coating layer. In the electrical insulation coating layer, a content of the plasticizer with respect to 100 parts by mass of the vinyl chloride resin is 25 parts by mass or more and less than 50 parts by mass.

Abstract: The present invention provides a composite heating element suitable for heating an article when activated by a power source. The composite heating element comprises first and second dielectric layers each having an inner surface and an outer surface. The composite heating element further comprises a conductive layer formed from at least one conductive ink composition comprising a plastisol component and a conductive component. The conductive layer is disposed between the inner surfaces of the first and second dielectric layers and defines a circuit. The composite heating element further comprises an adhesive layer coupled at least one of the outer surfaces of the first and second dielectric layers opposite the conductive layer.

Abstract: The present invention relates to a method of making a solid cleaning composition. The method can include pressing and/or vibrating a flowable solid of a self-solidifying cleaning composition. For a self-solidifying cleaning composition, pressing and/or vibrating a flowable solid determines the shape and density of the solid but is not required for forming a solid. The method can employ a concrete block machine for pressing and/or vibrating. The present invention also relates to a solid cleaning composition made by the method and to solid cleaning compositions including particles bound together by a binding agent.

Abstract: A flame retardant pallet that includes at least one structural component formed from a polymeric composite material. The polymeric composite material includes 35 weight percent (wt. %) to 78 wt. % of a polyolefin; 20 wt. % to 50 wt. % of a long glass fiber reinforcement; 0.5 wt. % to 3 wt. % of a coupling agent coupling the long glass fiber reinforcement to the polyolefin; and up to 25 wt. % of a flame retardant, wherein the wt. % values of the polymeric composite material are based on a total weight of the polymeric composite material and total to a value of 100 wt. %, and the polymeric composite material used to form the structural component has a specific strength of at least 55 kN·m/kg and a specific stiffness of at least 3500 kN·m/kg as tested according to ASTM D638-10 (tensile strength) and D790-00 (flex modulus), which were each divided by the specific gravity (determined through ASTM D792-08) to arrive at the given values.

Abstract: A process for making a shaped part from a polymer selected from polyethylene terephthalate (PET) and polyethylene terephthalate (PET) and polyethylene naphthalate (PEN) by using a compacting tool comprising a die having a cavity and a punch having an outer surface. The process comprises the steps of: a) placing particles of the polymer in the cavity of the die heated to a compaction temperature, wherein the polymer has an intrinsic viscosity of at least 0.45 dL/g and the particles have an average particle size of 0.5-4000 ?m, b) pressing the particles in the die cavity at a pressure of at least 3 MPa for 5-15 minutes while maintaining the temperature of the die at the compaction temperature and c) removing the shaped part from the die cavity. When the polymer is PET, the compaction temperature is 235-259° C. When the polymer is PEN, the compaction temperature is 250-275° C.

Abstract: Disclosed is a crosslinkable mixture comprising a polyolefin, an alkoxysilane, an organopolysiloxane, a free radical initiator and a liquid polymer modifier. The organopolysiloxane contains two or more hydroxyl end groups. When the crosslinkable mixture is melt-shaped, a unique crosslinked composition is formed. The liquid polymer modifier improves flexibility of the melt-shaped article without decreasing dielectric strength.

Abstract: A method is provided for production of a flexographic printing plate precursor for laser engraving including at least the following steps to be carried out in this order: (1) a step for separately preparing a plurality of fluids that are reactive with each other, (2) a step for carrying out in-line mixing of the plurality of fluids to form a reactive resin composition, (3) a step for casting the reactive resin composition onto a release material to form a cast film, (4) a step for heating the cast film, and (5) a step for removing the cast film from the release material to form an independent sheet made of the reactive resin composition.

Abstract: Frame assemblies, molds, and methods for forming rotor blades are provided. A frame assembly for a rotor blade mold includes a plurality of frames, at least one of the plurality of frames movable relative to the others of the plurality of frames, and a bed supported by the plurality of frames. Movement of the at least one of the plurality of frames causes a modification of the bed along a width-wise axis. A mold for forming a rotor blade includes a frame assembly and a mold material disposed in the bed of the frame assembly.

Abstract: A composite formulation consisting of agglomerated industrial/residential sewer sludge and recycled high density polyethylene (HDPE) and/or polypropylene (PP) materials. The recycled plastic materials act as a binder for the pozzolan industrial/residential sewer sludge. The composite formulation can be produced in a batching process wherein the sieved dried sewer sludge and the recycled plastic in appropriate small cut pieces is fed into a large plastic extruder, heated and extruded into specific structures. The formulation can also be compounded using a compression mold wherein sieved dry sewer sludge are added to heated chopped recycled plastics and heat mixed to produce pellets or directed into a compression mold to create a structural member of predetermined shape.

Abstract: Compositions comprising a polymer resin comprising at least one copolymer with hydrolysable groups, a water-generating metal salt hydrate, and a catalyst that comprises a metal atom and at least two ligands taken from the set alkyloxy and carboxylate are used to form articles that moisture-cure through in-situ generation of water via dehydration of the metal hydrate. The compositions are melt mixed to promote the dehydration and start the cure process during the mixing step. The curing compositions are formed and allowed to harden.

Abstract: A composite formulation consisting of agglomerated industrial/residential sewer sludge and recycled high density polyethylene (HDPE) and/or polypropylene (PP) materials. The recycled plastic materials act as a binder for the pozzolan industrial/residential sewer sludge. The composite formulation can be produced in a batching process wherein the sieved dried sewer sludge and the recycled plastic in appropriate small cut pieces is fed into a large plastic extruder, heated and extruded into specific structures. The formulation can also be compounded using a compression mold wherein sieved dry sewer sludge are added to heated chopped recycled plastics and heat mixed to produce pellets or directed into a compression mold to create a structural member of predetermined shape.

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: A thermosensitive light-adjusting material is formed by reacting 18-84% polymer polyols and/or terminal hydroxyl-containing polymers which are formed by reacting polymer polyols and diisocyanate, with 15-80% terminal hydroxy-containing ethylenically unsaturated monomers through light or heat polymerization reaction. A process for preparing the thermosensitive light-adjusting material and an optical device comprising thereof. The light-adjusting ability is high, the light-adjusting range is broad, and mechanical capability is good. The preparation method is simple, short-circle, and high effective, so it can be applied in industry, furthermore, because of no organic solvents, the method's advantages are low cost and without pollution.

Abstract: A composite article comprises a plurality of lignocellulosic pieces and an adhesive system disposed on the plurality of lignocellulosic pieces for bonding the plurality of lignocellulosic pieces. The adhesive system comprises a binder component and a tackifier component. The tackifier component comprises a homo- and/or co-polymer of vinyl acetate. The tackifier component is useful for maintaining orientation of the plurality of lignocellulosic pieces during manufacture of the composite article. The composite article may be various engineered lignocellulosic composites, such as particleboard.

Abstract: The invention relates to a method for producing an out of tool molded skin (1) with an embedded flat electroluminescent element, wherein an outer function or carrier layer of the electroluminescent element (5, 6, 7, 8) is made of plastic material that is substantially identical to the powdered plastic material of the molded skin and is applied to the not yet fully cured and cooled molded skin.

Abstract: A method of making a finely textured molded article is disclosed. The method utilizes properties of the compound being molded, such as impact toughness and melt flow index. Poly(vinyl halide), particularly polyvinyl chloride), articles can be custom-injection-molded using the method, in order to simulate the appearance of original metal, glass, or wood articles. Consumer, transportation, building construction, and other industries can benefit from durable plastic articles that simulate the more fragile articles.

Abstract: Provided is a resin composition which is excellent in an oxygen-absorbing performance, a resin strength and a resin processability. The oxygen-absorbing resin composition is characterized by containing a polyolefin resin, a transition metal catalyst and a polyamide resin obtained by polycondensation of aromatic diamine and dicarboxylic acid, wherein an end amino group concentration of the above polyamide resin is 30 ?eq/g or less, and a total content of the transition metal catalyst and the polyamide resin is 15 to 60% by weight based on a whole amount of the oxygen-absorbing resin composition.

Abstract: A composite formulation consisting of agglomerated industrial/residential sewer sludge and recycled high density polyethylene (HDPE) and/or polypropylene (PP) materials. The recycled plastic materials act as a binder for the pozzolan industrial/residential sewer sludge. The composite formulation can be produced in a batching process wherein the sieved dried sewer sludge and the recycled plastic in appropriate small cut pieces is fed into a large plastic extruder, heated and extruded into specific structures. The formulation can also be compounded using a compression mold wherein sieved dry sewer sludge are added to heated chopped recycled plastics and heat mixed to produce pellets or directed into a compression mold to create a structural member of predetermined shape.

Abstract: Disclosed is a process for a melt processing a polyethylene terephthalate resin characterized by one or more of the following. The polyester particles may have at least two melting peaks wherein one of the at least two melting peaks is a low peak melting point with a range from 140° C. to 220° C., or from 140° C. to 230° C., and having a melting endothermic area of at least the absolute value of 1 J/g. The polyester particles may have one or more melting peaks at least one of which when measured on a DSC first heating scan has a heating curve departing from a baseline in the endothermic direction at a temperature of less than or equal to 200° C. The polyester particles may have an It.V. at their surface which is less than 0.25 dL/g higher than the It.V. at their center. The polyester particles may have not been solid stated. The melt processing device comprises a screw with a total length, L, a feed zone length in the range from 0.16L and 0.45L, a taper angle, ?, in the range from 0.5 degrees and 5.

Abstract: Methods of fabricating elastomeric implants employ a mold with PVA crystals and irrigant added to the mold independent of each other. Related molds are also described.

Abstract: A process is provided for producing a compatibilized polymeric blend. A first thermoplastic polymer and a reactive moiety are provided to a progressive melt kneading apparatus. The reactive moiety comprises a first reactive group capable of reacting with the first thermoplastic polymer but not a second polymer and a second reactive group capable of reacting with the second polymer but not the first polymer. The first thermoplastic polymer and the reactive moiety are then melt kneaded so that the first reactive group reacts with the first thermoplastic polymer and the second reactive group is grafted to the first thermoplastic polymer, forming a molten self-compatibilizer. A molten second polymer is then provided. The molten self-compatibilizer is melt kneaded with the molten second polymer so that the second reactive group reacts with the second polymer to form a compatibilized polymeric blend. Also provided are articles formed from the compatibilized polymer blend.

Abstract: A bowling pin including a body having a head, a neck, a ball line portion, and a base all integrally formed of a synthetic material. The body includes a hollow area and a longitudinal axis of the hollow area extends generally perpendicularly to a substantially planar bottom surface of the base. A method of manufacturing a bowling pin includes providing a mold shell having a mold cavity shaped substantially as a bowling pin, disposing a mandrel inside a mold cavity, introducing material into the mold cavity, cooling the material inside the mold cavity, removing the mandrel from the mold cavity, removing the material from the mold cavity, and cooling the material outside the mold cavity.

Abstract: A method of making a finely textured molded article is disclosed. The method utilizes properties of the compound being molded, such as impact toughness and melt flow index. Poly(vinyl halide), particularly poly(vinyl chloride), articles can be compound-injection-molded using the method, in order to simulate the appearance of original metal, glass, or wood articles. Consumer, transportation, building construction, and other industries can benefit from durable plastic articles that simulate the more fragile articles.

Abstract: The present invention relates to a reactor-grade copolyester composition having radio-frequency sealing capability. The present invention further relates to films and thermoformable packaging prepared from the reactor-grade copolyester composition.

Abstract: The present invention provides a method for manufacturing a conductive structure having high electrical conductivity, and a method for manufacturing a dimensionally accurate separator for a fuel cell having high electrical conductivity. In the present invention, the cavity surface temperature of a mold is kept equal to or higher than the crystal melting temperature (Tm) of composite material until the shaping of the composite material melted in the mold is completed, and after the completion of the shaping process, the cavity surface temperature of the mold is controlled to be equal to or higher than a temperature 20° C. lower than the crystallization temperature (Tc) of the composite material but equal to or lower than a temperature 20° C. higher than the crystallization temperature of the composite material to harden the composite material.

Abstract: The direct vapor depositing resin composition of the present invention comprises at least one selected from the group consisting of (A-I): a graft copolymer obtained by graft-polymerizing one or more monomers or a monomer mixture to a complex rubber-like polymer (G) composed of a polyorganosiloxane and a (meth)acrylate-based polymer and (A-II): a graft copolymer obtained by graft-polymerizing one or more monomers or a monomer mixture including an alkyl (meth)acrylate as an essential component to a rubber-like polymer (R) in which the content of diene units is 30% by weight or less in 100% by weight of the whole rubber-like polymer. The direct vapor depositing resin composition of the present invention can provide a beautiful bright appearance after direct vapor deposition of a metal, further, has high level mechanical strengths such as impact strength and the like, and weather resistance, and is also excellent in hot plate welding property with a transparent resin such as PMMA resins, PC resins and the like.

Abstract: An oriented thermoplastic elastomer film having reduced permeability and improved fatigue resistance comprising a dynamically vulcanized polymer blend of (A) a halogenated isobutylene elastomer and (B) polyamide, the film is produced by casting or blowing the above polymer blend under the condition such that a shear rate at a die lip for casting or blowing is regulated to control the molecular arrangement in the film, whereby the planar birefringence (PBR) of the resultant film becomes greater or equal to 0.002 and a production process of the same.

Abstract: Disclosed is a polymeric article having a frosted and/or surface textured finish made from a polymeric resin comprised of a polymeric matrix and polymeric particles which are substantially spherical, highly crosslinked, have a mean particle size of between 15 and 70 micrometers and have a particle size distribution between 10-110 micrometers.

Abstract: The present invention relates to the field of railing and fencing systems. More particularly, embodiments of the present invention relate to modular railing/fencing systems comprising extruded aluminum railings with cellular polyvinyl chloride (PVC) panel inserts having an impact resistance of up to about 350 lb/ft2, which combined provide a system capable of withstanding significant external forces. Particular embodiments of the invention include modular fencing systems comprising: a) one or more upright vertical post members; b) upper and lower horizontal guardrails with a longitudinal panel-receiving channel; c) one or more cellular polyvinyl chloride (PVC) panel inserts operably configured for insertion in the panel-receiving channels of the upper and lower guardrails; d) wherein, upon installation, the system is capable of receiving a load normal to the panel ranging from about 180 to about 360 lb/ft2 without failure. Cellular PVC panels for use in such systems are also included.

Abstract: The mixture of the invention contains, for 100 parts in weight of (A)+(B): (A) 10 to 90 parts in weight of at least one non-nanostructured olefinic thermoplastic polymer; (B) 90 to 10 parts in weight of a formulation of at least one elastomer having unsaturated double bonds and capable of reacting with a cross-linking or vulcanization agent, said formulation containing a crosslinking or vulcanization system of said elastomer(s), at least one plasticizer, and the standard additives present in elastomer formulations; (C) up to 100 parts in weight, relative to (A)+(B), of at least one copolymer grafted with polyamide blocks, said copolymer comprising a polyolefin trunk and at least 1.

Abstract: The invention provides a medical implant or medical implant part comprising a body and a surface layer, wherein the surface layer comprises a mixture comprising at least one hydrophilic polymer and ultrahigh molecular weight polyethylene having a weight average molecular weight of about 400,000 atomic mass units or more. The invention also provides a method for producing such a medical implant or medical implant.

Abstract: This disclosure relates to gasket materials used for attaching and sealing covers to enclosures. More particularly, this disclosure relates to form-in-place gaskets, applied to surfaces of containers for sensitive electronic components. The gaskets include a flexible polymer and a micropowder polyolefin filler.

Abstract: A thermosensitive light-adjusting material is formed by reacting 18-84% polymer polyols and/or terminal hydroxyl-containing polymers which are formed by reacting polymer polyols and diisocyanate, with 15-80% terminal hydroxy-containing ethylenically unsaturated monomers through light or heat polymerization reaction. A process for preparing the thermosensitive light-adjusting material and an optical device comprising thereof. The light-adjusting ability is high, the light-adjusting range is broad, and mechanical capability is good. The preparation method is simple, short-circle, and high effective, so it can be applied in industry, furthermore, because of no organic solvents, the method's advantages are low cost and without pollution.

Abstract: The present invention relates to an environmentally-friendly shoe bottom, which mainly comprises thermoplastic elastomer (TPE), polystyrene (PS), polyethylene (PE), softening oil, cornstalk, wheat stalk, rice straw, and rice bran. The main advantages of the environmentally-friendly shoe bottom are that it uses the agriculturally waste cornstalk, wheat stalk, rice straw, and rice bran to replace calcium carbonate and zinc stearate included in the traditional sole material TPR and retains the physical properties of the traditional TPR. Further, the environmentally-friendly shoe bottom may also naturally decompose, which achieves the purposes of protecting the ecological environment and efficiently utilizing the agriculturally waste resource.

Abstract: A film-forming composition made from a mixture of PVOH, chitosan, an alkali metal or ammonium bisulfite or metabi sulfite, and optional ingredients such as plasticizers, antioxidants, UV stabilizers, surfactants, crosslinking agents, lubricants, and extenders, is disclosed. Also disclosed are a method of making a film from the composition, a resulting film, and a packet made from the film and containing a cleaning composition such as a rinse additive. The composition can be formulated to yield an article such as a film which is soluble only below a predetermined pH threshold.

Abstract: In an exemplary embodiment, the present method includes the stops of providing a polymer resin to be processed: blending particulate boron nitride (BN) and a fluorine-containing polymer with said polymer resin to provide a resin blend: heating said resin blend to obtain a desired flowability value: and processing said resin blend into a desired shape.

Abstract: A method for the producing self-reinforced polymeric three-dimensional products is disclosed comprising the steps of a) chopping a polymeric tape in mono-extruded or co-extruded form into short lengths, b) spraying the chopped polymeric tapes into or onto a porous mould, and c) thermosetting and/or thermobinding the chopped tapes by suitable binders and/or binding matrixes to obtain a preform, characterized in that the chopped polymeric tapes, the binders and/or binding matrixes are already given right from the start in the correct quantity.

Abstract: A refractory ceramic material possessing a solidus temperature between 2500° C. and 2800° C., having a compactness greater than 85%, and a microstructure such that the material is composite and comprises: hafnium dioxide HfO2 grains having a monoclinic structure (1); hafnium dioxide HfO2 grains having a cubic structure (2) which is stabilized by yttrium oxide Y2O3, the yttrium oxide Y2O3 representing 0.5 mol % to 8 mol % relative to the total number of moles of hafnium dioxide HfO2; closed pores (3); non-interconnected open pores. The invention also relates to the process of manufacturing said material and a structural part incorporating said material.

Abstract: Compositions for golf balls that include polyurethane and/or polyurea linkages and that are crosslinked in the soft segments of the polymer backbone. In particular, the compositions of the invention, which are based on a polyurethane and/or polyurea, have improved crosslink density and hardness from the crosslinking between the soft, unsaturated segments of the polymer backbone. The curative blend includes at least one isocyanate-reactive component and a free radical initiator.

Abstract: A seal ring (10) of the present invention seals operating oil hermetically and is attached to an annular seal ring groove (16) provided on an outer circumference of a shaft member (12). The seal ring (10) includes fluororesin, modified fluororesin formed by being irradiated with an ionizing radiation in a range from 1 kGy to 10 MGy inclusive in a state of being heated up to a melting point thereof or higher under an inert gas atmosphere with an oxygen partial pressure of 1.33 kPa or less, and synthetic resin having a surface energy ranging from +0 N/cm to 20˜10?5 N/cm inclusive of that of the operating oil.

Abstract: Disclosed is a polymeric article having a frosted and/or surface textured finish made from a polymeric resin comprised of a polymeric matrix and polymeric particles which are substantially spherical, highly crosslinked, have a mean particle size of between 15 and 70 micrometers and have a particle size distribution between 10-110 micrometers.

Abstract: Disclosed is a polymeric article having a frosted and/or surface textured finish made from a polymeric resin comprised of a polymeric matrix and polymeric particles which are substantially spherical, highly crosslinked, have a mean particle size of between 15 and 70 micrometers and have a particle size distribution between 10-110 micrometers.

Abstract: Disclosed is an ethylene-propylene-diene terpolymer having isotactic polypropylene crystallinity compounded with a blend rubber wherein the terpolymer can be present in an amount effective to improve tack, aged tensile strength retention, fatigue resistance, ozone cracking resistance, and reversion resistance. Also disclosed is an elastomer composition wherein the terpolymer can have at least 60 wt % propylene-derived units, at least 6 wt % ethylene-derived units and from 0.3 to 10 wt % diene-derived units, and a tire sidewall composition comprising from 10 to 30 phr terpolymer, from 20 to 60 phr natural rubber, from 20 to 60 phr polybutadiene rubber, and an optional secondary blend rubber. Also disclosed is a vulcanizate of the elastomer composition, and articles, tire sidewalls, tires, retreaded tires, bias truck tires, off-road tires, and passenger automobile tires made with the vulcanizate. Further disclosed are processes for making molded articles and tires, and for retreading tires.

Abstract: A method of producing a cyclic polyolefin film comprising: dissolving or dispersing a cyclic polyolefin resin and at least one compound selected from a higher fatty acid and a derivative of the higher fatty acid in a solvent; a casting step; a drying step; and a taking-up step; and a method of preparing a liquid dispersion of fine particles, which comprises: subjecting fine particles, an organic solvent and a dispersant to a dispersing treatment, wherein the dispersant contains a cyclic olefin resin.

Abstract: An in-mold coating molded article is obtained by coating the surface of a resin molded product comprising a hydroxyl group-containing polypropylene resin composition (A) with a paint composition for in-mold coating, wherein the composition (A) comprises a polypropylene resin (i), an additive rubber (ii) and optionally a polymer compound (iii) other than the polypropylene resin (i) and the additive rubber (ii), the total hydroxyl value of the polypropylene resin (i), the additive rubber (ii) and the optional polymer compound (iii) is from 1 to 40, the composition (A) has a rubber component content (total of the amount of the additive rubber (ii) and the amount of components soluble in n-decane at 23° C.

Abstract: The invention relates to a new type of urn. According to the invention it concerns an urn with an inlet opening for water and an opening for the discharge of the water with the powdery mortal remains, said opening being situated lower than the inlet opening. The ashes are introduced in the urn, for instance, in the form of a body comprising powdery mortal remains (ashes) and a binder, where the binder is selected from a water-soluble binder and an agent that disintegrates under the influence of water. The mortal remains are introduced into the earth under the influence of (rain) water The invention also relates to a method for making such a body.

Abstract: Solution blending of masterbatch of cationically functionalized polyvinyl acetate copolymer/silicate nanocomposite where the silicate is substantially exfoliated, and ethylene-vinyl acetate copolymer (EVA), produces product of increased tensile strength and Young's Modulus compared to neat EVA and reduced flammability compared to neat EVA. The product can be injection molded or compression molded or extruded without loss of these advantages.

Abstract: A filter housing, in particular for an air filter for the air intake tract of an internal combustion engine, in which the filter housing (16) includes at least one upper housing section (12) and at least one lower housing section (11) which can be assembled to each other in a sealed manner. The housing sections (11, 12) are produced as centrifugally cast parts and have a geometrically defined outer face (A) and a geometrically defined inner face (I) configured such that the outer face of one of the housing sections (11, 12) can be connected to the inner face of the other housing section, whereby the housing sections can be manufactured in a cost-effective manner and can fit one another snugly.

Abstract: Porous infusible polymer (IP) parts are made by incorporating 0.2 to 10 volume percent organic fibers, preferably with short lengths, into the particulate IP, consolidating the mixture under pressure and optionally heating, and then “burning off” the fibers. After the fibers are burned off the resulting part has porosity in which the pores are elongated, usually retaining the shape of the organic fibers. When these parts are exposed to moisture (which they usually absorb) and then suddenly heated they tend not to blister from vaporization of the water. This makes them useful as parts for aircraft (jet) and other engines and other applications where sudden temperature increase may occur.