Abstract: Pest-resistant polyurethane spray foam formulations and products, including building insulation, are described. The “B” side of the formulation comprises water; a polyol composition comprising one or more polyols selected from glycerin-sucrose polyols, Mannich polyols, and aromatic polyester polyols, catalyst(s); surfactant(s); a blowing agent; and 0.5 to 5 wt. %, based on the amount of spray foam formulation, of a composition comprising a capsaicin compound. Capsaicin compounds can be successfully incorporated into spray foam formulations that process well to give high-quality foams. The foams inhibit termite infestation and can help to minimize or avoid structural damage that might otherwise go undetected.

Abstract: The present invention relates to a method for preparing a polyurethane foam, in particular an aerogel, from at least one polyisocyanate and at least one optionally recycled polyol, and to the use thereof.

Abstract: A process for producing a polyurethane or polyisocyanurate construction board, the process comprising (i) providing an A-side reactant stream that includes an isocyanate-containing compound; (ii) providing a B-side reactant stream that includes a polyol, where the B-side reactant stream includes a fluorinated additive and a blowing agent that includes a pentane and a blowing agent additive that has a Hansen Solubility Parameter (St) that is greater than 17 MPa?0.5; and (iii) mixing the A-side reactant stream with the B-side reactant stream to produce a reaction mixture.

Abstract: A molded flexible polyurethane foam having a hardness gradient going from soft to hard from the top to the bottom of the foam. The hardness gradient in the foam is a result of a foam elasticity gradient which arises from a polymer elasticity gradient and/or density gradient. A method for producing a flexible foam having a hardness gradient and a reactive mixture suitable for making said flexible foam is disclosed. Furthermore, the use of the flexible foams having a hardness gradient in matrasses, cushions for seating (more in particular for use in automotive seating), furniture, automotive under-carpets and dash insulators is disclosed.

Abstract: A method for preparing core/shell particles includes forming a suspension of ethylenically unsaturated monomer droplets containing one or more monomers and a porogen in an aqueous medium containing a first stabilizer and a polymerization initiator, wherein at least one of the monomers is a cross-linking monomer, and wherein the first stabilizer is an inorganic colloid. The method further includes polymerizing the one or more monomers to form core/shell particles having a core of a porous polymer and a polymeric shell having a shell thickness of at least 5 nm, wherein any pores in the polymeric shell have a diameter of less than 2 nm.

Abstract: Provided is, a vehicle cushion pad including a polyurethane foam, in which the polyurethane foam is made of a polyurethane foam composition containing a polyol, an isocyanate, a catalyst, a foaming agent, and an additive, the additive is a dicarboxylic acid ester compound having a weight average molecular weight of 500 to 5000, and an airflow quantity of the polyurethane foam in accordance with JIS K 6400-7: 2012 is 6.0 cc/cm2/s or more, and a vehicle seat cushion including a cushion main body and the vehicle cushion pad placed on the cushion main body.

Abstract: The present invention relates to a process for providing a homogeneous polyether polyol composition comprising the following steps: Providing a crude polyether polyol mixture comprising polyether polyol and a Group IA or Group IIA metal ion; Neutralisation of said crude polyether polyol mixture by adding a strong acid to said mixture, resulting in a neutralised polyether polyol composition, which comprises said polyether polyol along with a salt of said Group IA or Group IIA metal ion and said strong acid; Providing said homogeneous polyether polyol composition. characterised in that said strong acid is a pentavalent organic phosphorus compound, and in that said salt is a phosphorus-containing compound based organic salt, which is soluble in said polyether polyol composition.

Abstract: Described herein are compositions and methods for preparing hydrogel capsules using a cross-linking solution comprising a process additive. The process additive improves the quality of the resulting hydrogel capsules, such as increasing the number of defect-free capsules.

Abstract: Disclosed herein is a foamable composition including a polymer component, a foaming agent, a crosslinking agent, a filler, and a recovered silicon sludge containing silicon carbide and silicon. The polymer component is present in an amount ranging from 15 wt % to 60 wt % based on a total weight of the foamable composition. A foamed material prepared from the foamable composition and a composite product including the same are also disclosed.

Abstract: This invention relates to a polyol component P), to a process for preparing rigid polyurethane foams by using said polyol component P) and also to the rigid polyurethane foams themselves.

Abstract: The present invention relates to a novel thermoplastically processible polyurethane polymer having a hardness of ?60 Shore A, to compositions containing this polyurethane polymer, to the uses thereof and to articles containing this polyurethane polymer.

Abstract: A polyurethane elastomer memory foam composition includes an organic diisocyanate, a chain extender, a crosslinker, a plasticizer, a surfactant, a foaming agent, and a polyester resin, the polyester resin being a random copolymer having randomly distributed subunits of formula 1: where: R is ethylene, octylene, or decylene; a is from about 1 to about 99 mole % of the polyester resin; b is from about 1 to about 99 mole % of the polyester resin; c is from 0 to about 10 mole % of the polyester resin; and a+b+c=100 mole % of the polyester resin.

Abstract: Disclosed are polyurethane-foam forming compositions, rigid polyurethane foams and methods for their production, as well as to composite articles comprising such foams sandwiched between facer substrates, including use of such composite elements for side-wall and/or roof insulating elements for refrigerated tractor trailers. The rigid polyurethane foams are produced from an isocyanate-reactive composition comprising: (1) a polyol blend; (2) a hydrochlorofluoroolefin; and (3) a tertiary amine catalyst composition.

Abstract: The invention provides a process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, wherein said reacting is carried out in the presence of carrier material and polyamine P.

Abstract: Disclosed are a low-carbon polyurethane foam composition and a method for preparing the same. The low-carbon polyurethane foam composition may have improved foam cell uniformity while contributing to carbon reduction goals as a result of applying a polyether carbonate polyol containing a carbonate bond. The method for preparing the low-carbon polyurethane foam composition may include reacting a polyol mixture including a carbonate bond-containing polyether carbonate polyol and a petroleum-based polyether polyol, an isocyanate, and a silicone surfactant.

Abstract: Embodiments of the present disclosure are directed towards hybrid foam formulations that include: an isocyanate-reactive composition, and a high-functionality crosslinker; an azo type radical initiator; and an isocyanate.

Abstract: There is described a foamed isocyanate-based polymer derived from a reaction mixture comprising: an isocyanate; a polyol composition comprising a first prescribed amount of polymer particles dispersed in a base polyol; a second prescribed amount of biomass-based carbonaceous particulate material; and a blowing agent. In one embodiment, the foamed isocyanate-based polymer having an Indentation Force Deflection when measured pursuant to ASTM D3574-11 which is within about 15% as that of a reference foam produced by omitting the biomass-based carbonaceous particulate material from the reaction mixture and increasing the amount of polymer particles in the polymer polyol composition to equal the sum of the first prescribed amount and the second prescribed amount.

Abstract: What are described are shaped hot-cure flexible PU foam articles, preferably mattresses and/or cushions, wherein the hot-cure flexible polyurethane foam has been obtained by reaction of at least one polyol component and at least one isocyanate component in the presence of at least one compound of formula (1a) and at least one compound of formula (1b) and at least one blowing agent and at least one catalyst.

Abstract: A cushioning material includes fibers that define a fiber network and a foam material suspended within the fiber network.

Abstract: Process for producing cold-cure flexible slabstock PU foams by reaction of at least one polyol component and at least one isocyanate component in the presence of water and at least one catalyst and at least one crosslinker, wherein no nitrogen-containing crosslinkers having an expanded OH number above 1000 mg KOH/g are employed in a total amount >0.5 parts by weight, preferably >0.1 parts by weight, based on 100 parts by weight of polyol.