Abstract: The present invention relates to compositions comprising poly-oxycarbosilane and methods for using the compositions in step and flash imprint lithography. The imprinting compositions comprise a poly-oxycarbosilane polymer, a silanol, a reaction initiator and optionally a pore generator.

Abstract: The invention provides a oriented white polyester film, which includes at least one polyester film with a cavitation additive, wherein the cavitation additive includes poly(methyl methacrylate-co-methyl methacrylamide), a copolymer of sulfophthalate salt and nylon, polyarylate (PAR), ethylene methacrylate (EMA), ethylene methacrylate acrylic acid terpolymer (EMAAA), polyetherimide (PEI), metallocene catalyzed cyclic olefin copolymer (mCOC) or combinations thereof.

Abstract: Energy-activated room temperature-pumpable polymer compositions, devices for activating and processing the same into solid cellular or non-cellular polymeric materials that can be used as adhesives, sealants, coatings or gasket materials, and methods of making and using the same. The compositions according to the invention include solid particles that include one or more polymers, which are emulsified, dispersed or suspended in a liquid carrier together with at least one processing aid, such as a reactive blowing agent, a low molecular weight surfactant, a high molecular weight surfactant, one or more compounds found in latex paint, starch, cellulosic derived products and combinations of two or more thereof. The processing aids provide various benefits including, for example, reduced density, improved process hygiene, improved foam stability, faster bonding times and/or lower processing temperatures.

Abstract: The invention provides a polyurethane foam manufactured from a polyisocyanate and a polycarbonate polyol. Moreover, the invention provides a method of manufacturing the polyurethane foam manufactured from a polyisocyanate and a polycarbonate polyol, comprising mixing the polyisocyanate and polycarbonate polyol together and foaming same.

Abstract: The present invention provides a foam comprising (a) a polylactic acid resin, (b) at least one thermoplastic resin selected from a polyolefin resin and a polystyrene resin, and (c) a block copolymer of a vinyl aromatic compound and a conjugated diene, wherein a ratio of (a) to (b) by weight (a/b) is 80/20 to 20/80, and the foam comprises 0.5 to 20 parts by weight of (c) with respect to 100 parts by weight of (a) and (b) in total.

Abstract: This invention relates to a foamable blend comprising an in-reactor polymer blend comprising: (a) a first propylene polymer component comprising 90 to 100 wt % propylene and from 0 to less than 10 wt % comonomer, said first propylene component having a Tm of 120° C. or more; and (b) a second propylene polymer component comprising from 30 to 90 wt % propylene and 70 to 10 wt % comonomer, said second propylene polymer having an Mw of 30,000 g/mol or more, and said second propylene-containing polymer having a crystallinity different by at least 5% from the first polymer, wherein the polymer blend, prior to combination with a foaming agent, has: (i) a Tm of at least 120° C.; (ii) a MFR of 10 dg/min or more; (iii) a tensile strength of at least 8 MPa; (iv) an elongation at break of at least 200%, and (v) a ratio of elongational viscosity at break to linear viscosity of 5 or more when the elongational viscosity is measured at a strain rate of 1 sec?1 and temperature of 180° C.

Abstract: An aqueous dispersion of polymeric particles, the particles including: from 5% to 80% by weight, based on the weight of the polymeric particles, of a first polymer including at least one copolymerized ethylenically unsaturated monomer; and, substantially encapsulating the first polymer, from 20% to 95% by weight, based on the weight of the polymeric particles, of a second polymer including at least one copolymerized ethylenically unsaturated monomer, the second polymer having a Tg of from ?40° C. to 30° C., wherein at least 90 weight % of the second polymer is formed by polymerization at a temperature of from 5° C. to 65° C. is provided. The invention also relates to a process for forming the aqueous dispersion of polymeric particles and an aqueous coating composition including the aqueous dispersion of polymer particles, a method for providing a coated substrate, and the coated substrate so provided.

Abstract: In one of its aspects, the present invention relates to foamed isocyanate-based polymer derived from a reaction mixture comprising an isocyanate, an active hydrogen-containing compound, a dendritic macromolecule and a blowing agent; wherein at least a 15% by weight of the dendritic macromolecule may be mixed with a polyether polyol having an OH number less than about 40 mg KOH/g to form a stable liquid at 23° C. The dendritic macromolecule confers advantageous load building characteristics to the foamed isocyanate-based polymer and may be used to partially or fully displace the use of conventional copolymer polyols used. A process for production of a foam isocyanate-based polymer and a process for conferring loading building properties to a foamed isocyanate-based polymer are also described.

Abstract: The present invention provides high temperature compositions comprising blends of a first polymer, poly(aryl ether ketone phthalazinone)s, and a second polymer, selected from poly(aryl ether ketone)s, poly(aryl ketone)s, poly(ether ether ketone)s, poly(ether ketone ketone)s, or polybenzimidazoles, thermoplastic polyimides, polyetherimides, poly(aryl ether sulfone)s, poly(phenylene sulfide)s, and mixtures thereof. The compositions have improved high temperature characteristics, e.g., improved high temperature load capability and improved high temperature melt processibility.

Abstract: Thermoplastic molding compositions comprising A) from 10 to 99.9% by weight of at least one thermoplastic polyamide B) from 0.1 to 50% by weight of a copolymer obtainable via (i) preparation of at least one reaction mixture (a) via free-radical copolymerization of one or more monoethylenically unsaturated monomeric compound(s) (monomer(s) B1) with one or more compound(s) selected from the group of itaconic acid, mesaconic acid, fumaric acid, maleic acid, aconitic acid, glutaconic acid, and salts, esters, and anhydrides thereof (monomer(s) B2), and (ii) if appropriate, reaction of at least one of the copolymers obtained in step (i) with one or more crosslinking agent(s) (b), and C) from 0 to 60% by weight of further additives, where the total of the percentages by weight of components A) to C) is 100%.

Abstract: The invention relates to a impact-modified bio-degradable polymer composition having large particle size impact modifiers dispersed in a continuous biodegradable polymer phase. The impact modifiers have a core-shell morphology and have average sizes of greater than 250 nm. The impact-modified composition has good impact properties and low haze. The biodegradable polymer is preferably a polylactide or polyhydroxy butyrate. The composition comprises 30-99.9 weight percent of degradable polymer and 0.1 to 15 weight percent of one or more impact modifiers.

Abstract: A blend of a multiply branched lactic acid polymer of one steric configuration with a linear lactic acid polymer of the opposite steric configuration has different and more useful properties than either component alone.

Abstract: A masterbatch composition comprising an aromatic polyester resin, a polyolefin and a polyfunctional compound selected from the dianhydrides of tetracarboxylic aromatic and/or aliphatic acids and the polyepoxidic compounds, wherein the polyester resin and the polyfunctional compounds are omogeneously dispersed as solids in a matrix formed by the polyolefin, as domains of average particle size less than 800?. The masterbatch is prepared by milling polyester resins and polyolefin granules to obtain powders having average particle size of less than 200?, and the powders are therafter homogeneously mixed.

Abstract: A liquid impermeable material comprising a layer of vapour permeable viscoelastic polymer gel, applications of said material, a composite material comprising said material and a method of producing said material.

Abstract: Precursors are provided for dielectric compositions that are useful in the manufacture of electronic devices such as integrated circuit devices and integrated circuit packaging devices. The dielectric compositions are prepared by crosslinking a thermally decomposable porogen to a host polymer via a coupling agent, followed by heating to a temperature suitable to decompose the porogen. The porous materials that result have dielectric constants of less than 2.4.

Abstract: The invention relates to caustic resistant membranes formed by solvent casting a blend of one or more polyvinylidene fluoride polymers with one or more acrylic polymers.

Abstract: Size-selective hemocompatible porous polymeric adsorbents are provided with a pore structure capable of excluding molecules larger than 50,000 Daltons, but with a pore system that allows good ingress and egress of molecules smaller than 35,000 Daltons. The pore system in these porous polymeric adsorbents is controlled by the method of synthesis so that 98% of the total pore volume is located in pores smaller than 300 Angstroms (?) in diameter with a working pore size range within 100 to 300 ? in diameter. The porous polymeric adsorbents of this invention are very selective for extracting midsize proteins, such as cytokines and ?2-microglobulin, from blood and other physiologic fluids while keeping the components required for good health such as cells, platelets, albumin, hemoglobin, fibrinogen, and other serum proteins intact.

Abstract: A crosslinked, closed cell polyolefin foam sheet has exceptional softness, haptics, moldability, thermal stability and shear strength as well as a laminate and uses thereof.

Abstract: The present invention relates to compositions comprising blends of alkenyl aromatic polymers such as styrenic polymers (i.e. PS and HIPS) and bio-based or biodegradable polymers (i.e. PLA, PGA, PHA, PBS, PCL) compatibilized with styrene-based copolymers (i.e. styrene-ethylene-butylene-styrene (SEBS) block copolymers, maleated SEBS, styrene-maleic anhydride (SMA) copolymer, styrene-methyl methacrylate (SMMA) copolymer) or a mixture of two or more styrene-based copolymers such as SEBS and SMA. These novel compositions can be extruded and thermoformed to produce very low density food service and consumer foam articles such as plates, hinged lid containers, trays, bowls, and egg cartons with good mechanical properties.

Abstract: Disclosed are propylene-based polymers with improved melt strength, improved strain hardening characteristics and processes for producing the same. The processes include reacting a polyamine with a maleic anhydride-grafted-propylene-based polymer. The processes produce a rheology-modified propylene-based polymer with long chain branching by forming a polyimide linkage which couples polymer chains of the propylene-based polymer. The polyimide-coupled propylene-based polymer exhibits improved melt strength and improved strain hardening characteristics.

Abstract: A resin foam has a porosity (X) of not less than 80%, having a cell (L) with a cell diameter of not less than 1 ?m and not more than 1000 ?m, and a cell (S) with a cell diameter of not less than 0.01 ?m and less than 1 ?m. The resin foam is excellent in thermal insulation performance and environmental performance, further, to provide a non Freon thermal insulation foam material maintaining the excellent thermal insulation performance for a long period of time and not generating condensation easily.

Abstract: The present invention is directed to microporous materials comprising: (a) a polymeric matrix comprising a renewable polymer and optionally a polyolefin that is the same as or different from the renewable polymer, (b) finely divided, particulate filler distributed throughout the matrix, and (c) at least 35 percent by volume of a network of interconnecting pores communicating throughout the microporous material. Also provided are multilayer articles prepared from the above-described microporous materials.

Abstract: The present invention is directed to biodegradable microporous materials and multi-layer articles containing them. The biodegradable microporous materials comprise: (a) a polyolefin matrix, (b) finely divided, particulate filler distributed throughout the matrix, (c) at least 35 percent by volume of a network of interconnecting pores communicating throughout the microporous material, and (d) a biodegradation promoting material distributed throughout the matrix. Also provided are multilayer articles prepared from the above-described microporous materials.

Abstract: The present invention provides a composite membrane comprising a porous base membrane and a polyamide coating disposed on said porous base membrane, said polyamide coating comprising a C3-C8 cyclic carbonyl compound and a C1-C8 amide compound, said amide compound comprising at least one N—H moiety. In addition the present invention provides a method of preparing a composite membrane comprising contacting under interfacial polymerization conditions an organic solution comprising a polyacid halide with an aqueous solution comprising a polyamine, said contacting being carried out on a surface of a porous base membrane, said organic solution further comprising a C3-C8 cyclic carbonyl compound, said aqueous solution comprising a C1-C8 amide compound, said amide compound comprising at least one N—H moiety.

Abstract: There is provided a polypropylene resin composition comprising a propylene polymer (A) containing 0 to 70% by mass of a propylene homopolymer (A-1) and 30 to 100% by mass of a propylene-ethylene block copolymer (A-2) defined below, an ethylene-?-olefin copolymer (B) defined below, and an inorganic filler (C), wherein the proportion of the amount of the (A), the proportion of the amount of (B), and the proportion of the amount of (C) relative to the total amount of the (A), the (B) and the (C) are 40 to 94% by mass, 5 to 30% by mass, and 1 to 30% by mass, respectively, the propylene-ethylene block copolymer (A-2) is a mixture of a propylene homopolymer component and a propylene-ethylene random copolymer component, wherein the intrinsic viscosity, as measured in Tetralin of 135° C., of the propylene-ethylene random copolymer component is within the range of 2.0 to 8.

Abstract: Foams composed of water-absorbing basic polymers, obtainable by (I) foaming a crosslinkable aqueous mixture including (a) at least one basic polymer whose basic groups have optionally been neutralized, (b) at least one crosslinker, (c) at least one surfactant, (d) optionally at least one solubilizer, (e) optionally thickeners, foam stabilizers, fillers, fibers and/or cell nucleators, and (f) optionally particulate water-absorbing acidic polymers, by dissolving a gas which is inert toward free radicals in the crosslinkable aqueous mixture under a pressure from 2 to 400 bar and subsequently decompressing the crosslinkable aqueous mixture to atmospheric or by dispersing fine bubbles of a gas which is inert toward free radicals, and (II) crosslinking the foamed mixture to form a hydrogel foam and if applicable adjusting the water content of the polymer foam to 1-60% by weight.

Abstract: Disclosed is a method of preparing porous polybenzimidazole. The method includes providing polyaminoimide by reacting aromatic amine including at least two ortho-positioned amino groups and acid dianhydride, obtaining polypyrrolone from the polyaminoimide, subjecting the polypyrrolone to alkaline treatment, and subjecting the alkaline-treated polypyrrolone to heat treatment. The polybenzimidazole shows permeability and selectivity for various gases due to a fractional free volume and well-connected picopores.

Abstract: A foamable fluoropolymer composition containing foam cell nucleating agent is provided, wherein the fluoropolymer comprises melt-fabricable tetrafluoroethylene-/hexafluoropropylene copolymer and tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, wherein the alkyl contains 1 to 4 carbon atoms, wherein the melting temperature of said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer is no more than 35° C. greater than the melting temperature of said tetrafluoroethylene/hexafluoropropylene copolymer, and/or wherein said tetrafluoroethylene/hexafluoropropylene copolymer and said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer each have a melt flow rate (MFR) within the range of 1 to 40 g/10 min and the MFR of one of said copolymers is at least twice that of the other of said copolymers.

Abstract: A process for preparing functionalised microporous polymers (which are also known as micro-cellular polymers or polyHIPE polymers (PHPs)) using intensified internal heating (for example by microwave irradiation).

Abstract: Olefin polymer-based, durable, open-cell foam compositions, structures and articles derived from same; methods for preparation of such foams; and use of the dry durable foams in various applications are disclosed. Further described is use of the foams and structures and articles made of same in absorption, filtration, insulation, cushioning and backing applications, and in particular for odor removal, hygiene and medical applications due to, among other properties, good absorption capabilities, softness and/or flexibility of the foams and their recyclable nature.

Abstract: A crystalline polyolefin blend comprising dispersed polyhedral oligomeric silsesquioxane (POSS) nanoparticles has improved packing of chains, high draw-down ratios, as well as improved tensile and yield strength. The blend is made by melt blending the polyolefin with the POSS in the presence of a sorbitol nucleating agent and cooling the mixture so that the nucleating agent serves as a template for the in-situ self assembly of dispersed POSS nanoparticles and the formation of very small crystalline polyolefin sites.

Abstract: Thermoset polyolefin elastomer obtained by static curing with water a silane-grafted thermoplastic heterophasic polyolefin composition (I) having a flexural modulus equal to or lower than 150 MPa, and comprising: (a) a crystalline propylene homopolymer or copolymer of propylene with up to 15% by weight of ethylene or other alpha-olefin comonomer(s), or their combinations, and (b) a copolymer or a composition of copolymers of ethylene with other alpha-olefins containing from 15% by weight to less then 40% by weight of ethylene; said thermoset polyolefin elastomer having a compression set value of from 30 to 65%, a ratio of elongation at break to compression set values of above 8, and hardness shore A values below 90.

Abstract: A foamed resin composition includes a polyolefin-based resin, and a ring opening polymer of norbornene or a copolymer of norbornene and ethylene or a mixture thereof. The ring opening polymer of norbornene or the copolymer of norbornene and ethylene or the mixture thereof is used as a foam nucleating agent in the foamed resin composition.

Abstract: The present invention provides a process for conditioning double metal cyanide (DMC) catalysts, which are employed in the preparation of polyether polyols based on starter compounds having active hydrogen atoms, the preparation of polyether polyols using the conditioned catalysts and the use of the polyether polyols prepared in this way for the preparation of polyurethane materials.

Abstract: A method of treating an amorphous CBDO polymer to impart self healing and shape memory properties by heat treatment, and products resulting from such method are described. An amorphous CBDO copolymer may include a copolyester prepared by reacting an aromatic dicarboxylic acid or ester or anhydride thereof, a 2,2,4,4-tetraalkyl-1,3-cyclobutanediol and 1,3-propanediol, 1,4-butanediol, or mixture thereof. The method may include heating said copolymer to a temperature above its glass transition temperature to impart self healing and shape memory properties.

Abstract: The invention is directed to polyethylene foam based on a blend comprising 95.5-99.5% by weight low density polyethylene and 0.5-4.5% by weight high density polyethylene and a nucleating agent. The invention is also directed to a process for physical foaming of a blend comprising 95.5-99.5% by weight low density polyethylene and 0.5-4.5% by weight high density polyethylene in the presence of a physical blowing agent and a nucleating agent.

Abstract: Foam a polymer blend of (a) a high melt strength polypropylene (HMS PP); (b) a linear or substantially linear polypropylene that has a melting point within ten degrees Celsius of (a), a melt flow rate that is significantly different than (a) and that is miscible with (a); and, optionally, (c) a polyethylene that is immiscible with (a) produces a polymeric foam having an average cell size of at least four millimeters and that has an inherent open-celled content of at least 40 percent. The HMS PP makes up 60 weight percent (wt %) or more and 90 wt % or less of the total combined weight of (a) and (b). Component (c) makes up 60 wt % or less of the total polymer blend weight.

Abstract: To provide a flexible polyurethane foam having good vibration characteristics and suitable particularly for a seat for an automobile. A flexible polyurethane foam obtainable by reacting a polyol composition with a polyisocyanate compound in the presence of a catalyst, a blowing agent and a foam stabilizer, characterized in that the polyol composition comprises a high molecular weight polyoxyalkylene polyol (A1) and a polymer-dispersed polyol (A2) containing fine polymer particles in the high molecular weight polyoxyalkylene polyol (A1), and at least part of the fine polymer particles contained in the polymer-dispersed polyol (A2) are fine polymer particles having silicon atoms.

Abstract: A permeable film or container for use in extending the storage life of a foodstuff or produce is provided. The film or container is formed from a plastics component, a porous component having a particle size smaller than the thickness of the film, and an acid component selected from at least one carboxylic acid compound in free or salt form. The permeable film is adapted for controlling the environment surrounding the foodstuff to reduce its respiration rate or senescence by controlling the transfer of gases, particularly oxygen and carbon dioxide, and build up of moisture. In one preferred embodiment the present invention provides a permeable film for use in the storage of a foodstuff, formed from a polymer component, a clay activated base component, and sorbic acid in free or salt form.

Abstract: The invention relates to a process for the preparation of a block copolymer comprising a sequence successively comprising a semicrystalline and/or hydrolysable block, an elastomeric block and an amorphous block, comprising the following stages: a) a stage of 1,2-addition, to a terminal ethylenic group of a semicrystalline and/or hydrolysable polymer, of an alkoxyamine which can correspond to the following formula (II): b) a stage of addition, to the medium resulting from stage a), of one or more monomers which are precursors of the elastomeric block, in return for which a semicrystalline and/or hydrolysable block-b-elastomeric block diblock copolymer is obtained; c) a stage of addition, to the medium resulting from stage b), of one or more monomers which are precursors of the amorphous block, in return for which the semicrystalline and/or hydrolysable block-b-elastomeric block-b-amorphous block triblock copolymer is obtained.

Abstract: A pressure sensitive adhesive formed from a blend of an acrylate polymer having at least one crosslinkable functional group, and a liquid oligomer having at least one crosslinkable functional group, wherein at least one of the acrylate polymer and the oligomer is crosslinked in the presence of the other.

Abstract: The present invention relates to an acrylic foam composition comprising an acrylic polymer and an acrylic processing aid which exhibits increased flexibility characteristics over other types of foam compositions.

Abstract: [PROBLEM] To provide a process for preparing a thermoplastic elastomer composition which is inhibited from sink mark in the injection welding of a linear part and a corner part of a glass run channel and has excellent bond properties, and a molded product obtained by the use of the composition. [MEANS FOR SOLVING PROBLEM] A process for preparing a thermoplastic elastomer composition (F) for injection molding, comprising dynamically heat-treating a thermoplastic elastomer composition (D), which comprises 95 to 5 parts by weight of an ethylene/?-olefin-based copolymer rubber (a), 5 to 95 parts by weight of a propylene/?-olefin random copolymer (b-1) (total of the components (a) and (b-1): 100 parts by weight), and 0 to 200 parts by weight of a softener (c), in the presence of an organic peroxide, wherein a crystallization nucleating agent (e) for olefin-based plastics is added in an amount of 0.

Abstract: To provide a process for producing a flexible polyurethane foam having a higher biomass degree than a conventional flexible polyurethane foam and excellent in foam physical properties and its appearance. A polymer-dispersed polyol obtained by polymerizing a vinyl monomer in the presence of the following polyol (a1) derived from a natural fat/oil and/or the following polyoxyalkylene polyol (a2) is used: Polyol (a1) derived from a natural fat/oil: a polyol derived from a natural fat/oil, which is obtained by providing a natural fat/oil with hydroxy groups by chemical reaction, and which has a hydroxy value of from 20 to 250 mgKOH/g and a molecular weight distribution of at least 1.

Abstract: A pre-expanded beads of olefin-modified polystyrene-based resin comprising a pie-expanded beads of a polystyrene-based resin modified with a polyolefin-based resin, wherein a styrene-based monomer forming a polystyrene-based resin in the beads is used in the range of 100 to 1,000 parts by weight relative to 100 parts by weight of a polyolefin-based resin, a bulk density of each bead is 0.012 to 0.20 g/cm3, and an absorbance ratio at 698 cm?1 and 2850 cm?1 (D698/D2850) obtained from an infrared absorption spectrum of each bead surface measured by ATR method infrared spectroscopy is in the range of 0.1 to 2.5.

Abstract: The water dispersibility of water-soluble polymer particles can be improved by a method which comprises the following step: i) foaming a fluid composition comprising a compound A) having a weight average molecular weight of less than 10,000 or a water-insoluble polymer B) having a weight average molecular weight of at least 10,000; ii) contacting the produced foam with water-soluble polymer particles having a weight average molecular weight of at least 10,000; and iii) drying the particles, whereby the foam collapses during the contacting and/or drying step and the water-soluble polymer particles are encrusted with the compound having a weight average molecular weight of less than 10,000 or the water-insoluble polymer having a weight average molecular weight of at least 10,000.

Abstract: The invention is a method of producing a cross-linked polymeric support having a multimodal pore structure, which comprises providing a degradable initiator molecule; providing an organic phase comprising said initiator molecule, radically polymerizable monomers and a porogen in a solvent; providing an aqueous phase comprising a transition metal catalyst; suspension polymerization of the organic phase by adding a ligand, co-ordinating to the transition metal in the aqueous phase to produce a cross-linked polymeric support having a primary pore structure and comprising initiator molecule; and subjecting the support obtained to degrading conditions to remove the initiator molecule from within the support to produce a cross-linked polymeric support having a secondary pore structure in addition to the primary pore structure.

Abstract: The present invention relates to an open-cell foam, and to a process for producing this open-cell foam by melting a thermoplastic, or a mixture comprising a thermo-plastic, giving a melt, mixing the melt with at least one blowing agent under pressure, and foaming the melt comprising the blowing agent via extrusion into the free atmosphere, the temperature of the melt during the foaming process being greater than the melt temperature at which a closed-cell foam is formed, and/or adding a pulverulent solid, and/or adding a foreign polymer. The present invention further relates to the use of the foam of the invention for sound deadening or for producing materials by sound deadening.

Abstract: The invention relates to a cellular substance, the method of preparation and uses thereof, in particular as an absorbent substance, and in particular for the manufacture of sponges and other products for household use. The cellular substance of the invention comprises a mixture of fibers of a hydrophilic polymer, and at least one elastomer, and has a cellular structure formed by cells whose size is between 0.2 ?m and 10 mm, at least 1% of the cells, by volume as compared to the total cell volume, having a size of between 0.2 ?m and 10 ?m. The invention has application, particularly, in the area of absorbent products.

Abstract: The present invention relates to a polyolefin resin foam which includes a polyolefin resin composition includes: (A) a rubber and/or a thermoplastic elastomer; (B) a polyolefin resin; and (C) at least one aliphatic compound selected from an aliphatic acid, an aliphatic acid amide and an aliphatic acid metallic soap, the compound having a polar functional group and having a melting point of 50 to 150° C., in which a content of the aliphatic compound is 1 to 5 parts by weight based on 100 parts by weight of the total amount of the rubber and/or thermoplastic elastomer and the polyolefin resin. The polyolefin resin foam of the invention is excellent in flexibility and cushioning properties, and has good processability, especially excellent cutting processability.