Abstract: Compositions and methods for transport or release of therapeutic and diagnostic agents or metabolites or other analytes from cells, compartments within cells, or through cell layers or barriers are described. The compositions include a membrane barrier transport enhancing agent and are usually administered in combination with an enhancer and/or exposure to stimuli to effect disruption or altered permeability, transport or release. In a preferred embodiment, the compositions include compounds which disrupt endosomal membranes in response to the low pH in the endosomes but which are relatively inactive toward cell membranes, coupled directly or indirectly to a therapeutic or diagnostic agent. Other disruptive agents can also be used, responsive to stimuli and/or enhancers other than pH, such as light, electrical stimuli, electromagnetic stimuli, ultrasound, temperature, or combinations thereof.

Abstract: The invention concerns a process for producing water-absorbing polymer, which comprises a base polymer A being mixed with a first aqueous solution B of at least one surface postcrosslinker and a second aqueous solution C of at least one polyvalent cation and thermally treated, wherein said base polymer A is based on at least 50% neutralized acid-functional monomer and said solutions B and C are metered wholly or partly concurrently through separate nozzles whereby a water-absorbing polymer having a high saline flow conductivity value is obtained.

Abstract: A process for removing metallic impurities from a product mass flow comprising water-absorbing polymer particles, wherein the product mass flow has a temperature of 35 to 90° C.

Abstract: The present invention relates to a process for producing water-absorbing polymeric particles by polymerizing a monomer solution, which comprises removing the polymer gel from the reactor when the gel temperature is at least 50° C. and the monomer conversion is not more than 90 mol %, and also to a process for producing hygiene articles.

Abstract: The present invention provides an acrylic rubber composition and its vulcanized product, having good vulcanization characteristics and an excellent balance between processability, mechanical properties of rubber and compression set. The acrylic rubber composition comprises a carboxyl group-containing acrylic rubber, a diazabicycloalkene compound, a polyamine compound, and a tertiary amine compound represented by the following formula (1): where each of R1, R2 and R3 is independently a substituent having at least one saturated aliphatic hydrocarbon or unsaturated aliphatic hydrocarbon having a linear structure, a branched structure or a cyclic structure, or benzyl group.

Abstract: An oil-based ink composition for inkjet recording capable of exhibiting desired properties of drying after print, rubfastness and re-solubility is achieved by performing solubilization on an acrylic resin which is not easily dissolved conventionally. The oil-based ink composition for inkjet printing comprises glycol ether dialkyl ethers as a prime solvent; and an acrylic resin that results from solution polymerization in a solvent of the glycol ether dialkyl ethers by use of a radical polymerization initiator.

Abstract: A composite including a cross-linked interpenetrating network of an organic polymer including an alcohol adduct of, for example, a glycidyl ether substituted acrylate or epoxy substituted acrylate; and a sol-gel polymer. The composite having a low or no-shrinkage characteristic, and a method for making and using the composite, as defined herein.

Abstract: The present invention relates to absorbent cores comprising recycled superabsorbent polymer particles which have previously been immobilized by a solidified thermoplastic composition. The superabsorbent polymer particles can be separated from the solidified thermoplastic composition by using a supercritical fluid such as carbon dioxide, propane or mixtures thereof.

Abstract: The invention relates to a method for the production of a polymer (P) comprising amide and ester groups, whereby, in a first step, a homo- or co-polymer (P1) of (meth)acrylic acid is reacted with a monohydroxy compound (E) at a temperature of up to 200° C., such that, in addition to ester groups, anhydride groups are formed and, in a second step, the anhydride groups formed in the first step are reacted with a monoamine compound (A) at temperatures significantly below 100° C. The invention further relates to polymers produced by the above method, the use thereof in hydraulic-setting compositions and said hydraulic-setting compositions before and after hardening by addition of water.

Abstract: The invention concerns a process for producing water-absorbing polymer, which comprises a base polymer A being mixed with a first aqueous solution B of at least one surface postcrosslinker and a second aqueous solution C of at least one polyvalent cation and thermally treated, wherein said base polymer A is based on at least 50% neutralized acid-functional monomer and said solutions B and C are metered wholly or partly concurrently through separate nozzles whereby a water-absorbing polymer having a high saline flow conductivity value is obtained.

Abstract: An adhesive composition and an optical member using the same, the adhesive composition including about 100 parts by weight of a (meth)acrylate copolymer including repeating units derived from a C1-20 alkyl (meth)acrylate monomer, an aromatic group-containing monomer, and a carboxyl group-containing monomer; about 0.01 to about 10 parts by weight of a crosslinking agent; about 0.01 to about 5 parts by weight of a silane coupling agent; and about 0.01 to about 5 parts by weight of a crosslinking catalyst.

Abstract: A gas-barrier material in which carboxyl groups are ionically crosslinked in an amount corresponding to an acid value of at least 330 mgKOH/g of a resin that has the carboxyl groups in an amount corresponding to an acid value of not smaller than 580 mgKOH/g. The gas-barrier material exhibits excellent gas-barrier property, retort resistance and flexibility under highly humid conditions, enables the film to be cured at a low temperature in a short period of time, and can be favorably produced.

Abstract: Disclosed is a microanalysis chip adhesive sheet with an adhesive surface, which can be inexpensively but easily bonded to a substrate at a relatively low temperature, with which fabrication of analysis chips is simplified, and which has the capability of fixing a selective bonding substance to the sheet surface. The microanalysis chip is characterized in that a microanalysis chip adhesive sheet, which comprises a plastic sheet provided with an adhesive layer formed from an adhesive that contains a polymer in which monomer structural units that contain carboxyl radicals or acid anhydride radicals constitute 5-25% by weight of the [total] monomer structural units in the polymer, and a substrate, which has protrusions and recesses on the surface thereof, are bonded together so that the surface of the substrate having the projections and concavities and the adhesive layer of the aforementioned microanalysis chip adhesive sheet are on the inside.

Abstract: Provided are a pressure sensitive adhesive composition for optical members and a pressure sensitive adhesive composition for optical members. The pressure sensitive adhesive composition for optical members according to the present invention comprises 100 parts by weight of an acrylic polymer (A) having a weight-average molecular weight of 500,000 or more, containing at least 50 wt % alkyl (meth)acrylate having an alkyl group with 5 or more carbon atoms and 0.2 to 2 wt % unsaturated carboxylic acid as the monomer unit, 0.1 to 4 parts by weight of an acrylic polymer (B) having a weight-average molecular weight of 2,000 to 50,000, containing at least 70 wt % alkyl (meth)acrylate and 1 to 7 wt % unsaturated carboxylic acid as the monomer unit and having a higher carboxylic acid equivalent than that of the acrylic polymer (A), 0.01 to 1 part by weight of a silane coupling agent, and a crosslinking agent.

Abstract: The invention relates to functionalized matrix materials or matrices that have structures of general formula (I) T-(C?O)O—B-D, methods for the production thereof, and the use thereof in methods for purifying and isolating biomolecules.

Abstract: A process for continuous thermal postcrosslinking of water-absorbing polymer particles, wherein the postcrosslinker is applied to the water-absorbing polymer particles by means of suitable nozzles and the nozzles are exchanged or cleaned via the interior of a glovebox adjoining the plant section comprising the nozzle.

Abstract: The present invention provides a method for manufacturing a particulate water-absorbing agent which has excellent liquid diffusibility and liquid permeability, and whose amount of residual monomers is reduced. The method for manufacturing the particulate water-absorbing agent of the present invention includes a step of surface-crosslinking, in the presence of an organic crosslinking agent, water-absorbing resin particles obtained through at least a step of polymerizing an aqueous solution of unsaturated monomers, and in or after the polymerizing step, a reaction system is mixed with peroxide. Thus, it is possible to obtain the particulate water-absorbing agent which has excellent liquid diffusibility and liquid permeability and whose amount of residual monomers is small, that is, it is possible to obtain the particulate water-absorbing agent which is highly functional and highly safe.

Abstract: In a method for sealing an insulating material for construction applications, the insulating material is sealed with a material sheet including an ionomer so as to provide a vapor retarder for the insulating material.

Abstract: The present invention relates to novel hydrophilic swellable addition polymers comprising improved odor control, a process for their preparation and their use for absorbing aqueous fluids and a process for screening superabsorbents.

Abstract: A process is described for recycling superabsorbent polymer fines into a process that includes treating the superabsorbent polymer fines with caustic and a polymerization step for making the superabsorbent polymer gel. The process requires treating the superabsorbent polymer fines with a caustic, followed by mixture with polymerizable monomer solution, and polymerizing the mixture of the superabsorbent polymer fines and monomer to form the aqueous fluid absorbent polymer. In the process, the fines are incorporated into the new polymer gel and become indistinguishable there from. The gel may then be comminuted into a particulate dried and then separated into a portion having a desired minimum particle size in a fines portion having less than the desired size. The particulate may then be coated with a surface crosslinking agent and surface additives and heated for surface conversion.

Abstract: A medical grade adhesive comprises a mixture of at least one cross-linkable pressure sensitive adhesive component and at least one non-cross-linkable pressure-sensitive adhesive component, wherein the amount of each of said components is such that the resultant adhesive can adhere to human skin for a period of up to about 7-10 days but can be removed without causing trauma to the skin.

Abstract: An immobilization method for immobilizing a physiologically active substance on a solid phase carrier, the method including: bringing the solid phase carrier into contact with an acid anhydride functional group-containing silane coupling agent represented by the following Formula (I); and carrying out a process of binding of the physiologically active substance to the acid anhydride functional group while maintaining the solid phase carrier after the contact at a temperature within the range of 0° C. to 60° C.; a physiologically active substance-immobilized carrier, and a carrier for immobilization are provided. Further, a carrier including a porous material treated with an acid anhydride functional group-containing silane coupling agent represented by the following Formula (I), a blocking agent that is immobilized to the porous material; and a method for producing it is provided.

Abstract: Grafted polymers which are the reaction products of: (a) (Meth)acrylic acid and (b) Non-symmetric maleates according to general formula (I), in which R1 stands for a linear or branched alk(en)yl radical having 1 to 22 carbon atoms and 0 or 1 double bond, while n and m independently represent integers between 0 and 200, on condition that the sum (n+m) is different from 0 are disclosed. Methods of making and using the grafted polymers are also disclosed.

Abstract: An object of the present invention is to provide a particulate water-absorbent resin composition and its production process, wherein the particulate water-absorbent resin composition is an enhanced one in both of the “liquid permeability” and “liquid-sucking-up property” (which have hitherto been antithetical physical properties) of the water-absorbent resin. As a means of achieving this object, a first particulate water-absorbent resin composition according to the present invention is a particulate water-absorbent resin composition comprising a water-absorbent resin (A) of a crosslinked structure obtained by polymerizing an acid-group-containing unsaturated monomer, with the composition being characterized by: having a particle size such that particles in the range of 850 to 150 ?m (but not including 850 ?m) account for not less than 90 weight % of the entirety; and containing a tetra- or more functional polyol (B) at least on surfaces.

Abstract: In obtaining a water-absorbing resin with high property in high productivity, produced a production method for a water-absorbing resin in high property and stably. Provided is a production method for a water-absorbing resin, comprising: a step for polymerizing an acrylic acid aqueous solution; a step for drying the resultant water-containing gel; a step for pulverizing and classifying the dried substance; and a step for surface cross-linking after classification, wherein a hopper having an inclination angle of a cone part of equal to or larger than 45 degree, and a drawing rate of 30 to 80% is used.

Abstract: The aqueous dispersion adhesive composition contains an aqueous dispersion copolymer obtained by reacting of a reaction component containing alkyl (meth)acrylate whose linear or branched alkyl group has 4 to 18 carbon atoms, (meth)acrylic acid, a phosphoric acid group-containing vinyl monomer and an alkoxysilyl group-containing vinyl monomer to react; and a crosslinking agent having reactivity with a carboxyl group. In the aqueous dispersion adhesive composition, an amount of the crosslinking agent is from 0.07 to 4 parts by weight per 100 parts by weight of the aqueous dispersion copolymer, and in an adhesive layer made of the aqueous dispersion adhesive composition, an elongation at 90° C. is 200% or less.

Abstract: The present invention provides a novel polymer, and a mixture and a cement admixture thereof. The cement admixture has higher dispersibility compared to the previous ones. The novel polymer of the present invention has a different structure from the conventional copolymers used for cement admixtures, using an unsaturated carboxylic acid monomer and an unsaturated polyalkylene glycol monomer as the monomer components. The novel polymer of the present invention basically contains a polyalkylene glycol chain and a polymer segment bonded to the chain. Another type of the novel polymer of the present invention contains two polyalkylene glycol chains and a polymer segment connecting the chains. In these polymers, at least one of unsaturated monomers constituting the polymer segment is an unsaturated carboxylic acid monomer or an unsaturated polyalkylene glycol monomer. The cement admixture of the present invention comprises a polymer, made from these monomers, or a mixture thereof.

Abstract: A method for surface crosslinking water-absorbing resin of the present invention includes a step (1) of obtaining a wet mixture, a step (2) of obtaining a dried particulate composition, and a step (3) of carrying out a surface crosslinking reaction. With this, since a processing time of each step becomes short, it is possible to mass produce the water-absorbing resin having excellent physical properties. Moreover, a method for manufacturing the water-absorbing resin of the present invention includes a modifying step and a cooling step. The modifying step and/or the cooling step are/is carried out by using stirring means including a rotation axis having a plurality of stirring boards, and the stirring means includes the stirring board having a specific thickness and/or a scraping blade having a specific shape. With this, it is possible to suppress the generation of the fine powder in the modifying step and/or the cooling step.

Abstract: An object of the present invention is to provide a water absorbent having excellent gel properties and showing excellent properties when used in a water-absorbing material of a sanitary/hygienic material such as paper diaper. Moreover, another object of the present invention is to provide a water absorbent which is safe and excellent in liquid permeability, and in which an amount of liquid permeability improver for improving the liquid permeability is reduced. The water absorbent is made from a water-absorbing resin prepared by a specific polymerization method and having a high degree of cross-linking, a high liquid holding property and a high gel strength (its swelling pressure of gel layer of is 35 kdyne/cm2 or more). This water absorbent is further processed to have a particular particle size distribution (95 wt % or more of its particles are less than 850ƒÊm but not less than 106ƒÊm, and logarithmic standard deviation (ƒĐƒÄ) is in a range of 0.25 to 0.

Abstract: The invention relates to a self-hardening material for layerwise construction of three-dimensional components, whereby the material comprises at least one particulate material and a separately applied bonding agent for bonding the particulate material, and has a setting time which is at least several times as long as the application time of a particulate layer.

Abstract: It is an object of the invention to provide a method of producing a crosslinked poly(meth)acrylic acid compound, in particular a method of producing a crosslinked poly(meth)acrylic acid nitroxide compound, which is a radical compound excellent in solvent stability.

Abstract: Provided is a surface treatment method for a water-absorbent resin having excellent production efficiency, absorption capacity against pressure, fluid permeability or the like. Provided is a method for the surface treatment of a water-absorbent resin which comprises a) a step for mixing 0.1 to 20 parts by weight of an acid group-containing radically polymerizable compound and 5 to 20 parts by weight of water, relative to 100 parts by weight of a water-absorbent resin; and b) a step for polymerizing the acid group-containing radically polymerizable compound, wherein neutralization ratio of the acid group-containing radically polymerizable compound is 0 to 60% by mol, and is lower than neutralization ratio of the water-absorbent resin.

Abstract: A coating solution comprising: a first solvent; 0.1 to 30 parts by weight of a polycarboxylic acid-based polymer relative to 100 parts by weight of the solvent; and 0.05 to 0.25 chemical equivalent of a zinc compound relative to an amount of carboxyl group in the polycarboxylic acid-based polymer, wherein a number average molecular weight of the polycarboxylic acid-based polymer is in a range of 40,000 to 10,000,000.

Abstract: An object of the present invention is to provide a water absorbent having excellent gel properties and showing excellent properties when used in a water-absorbing material of a sanitary/hygienic material such as paper diaper. Moreover, another object of the present invention is to provide a water absorbent which is safe and excellent in liquid permeability, and in which an amount of liquid permeability improver for improving the liquid permeability is reduced. The water absorbent is made from a water-absorbing resin prepared by a specific polymerization method and having a high degree of cross-linking, a high liquid holding property and a high gel strength (its swelling pressure of gel layer of is 35 kdyne/cm2 or more). This water absorbent is further processed to have a particular particle size distribution (95 wt % or more of its particles are less than 850ƒÊm but not less than 106ƒÊm, and logarithmic standard deviation (ƒĐƒÄ) is in a range of 0.25 to 0.

Abstract: The present invention provides a production process by which a water-absorbent resin of excellent quality can be obtained at a low cost by reasonable steps in aqueous solution polymerization. The process for producing a water-absorbent resin comprises the step of polymerizing an aqueous solution of water-absorbent resin-forming monomers including acrylic acid and/or its sodium salt as major components, wherein: (1) the aqueous solution has a monomer component concentration of not less than 45 weight %; (2) the polymerization is carried out while water is evaporated so that the ratio (concentration ratio) between a solid component concentration in a hydropolymer as formed by the polymerization and a solid component concentration in the aqueous monomer solution will not be less than 1.10; and (3) the solid component concentration in the hydropolymer as formed by the polymerization is not more than 80 weight %.

Abstract: Film-forming materials include resins and/or crosslinkers having a —Si(OR)3 group. Film-forming resins can include epoxy, acrylic, polyurethane, polycarbonate, polysiloxane, polyvinyl, polyether, aminoplast, and polyester resins. A process to produce a film-forming resin includes reacting various polymers to incorporate a pendent group comprising a —Si(OR)3 group. Film-forming resins can be used in methods of producing coating compositions. Coating compositions can be used to coat a substrate, such as a metal substrate, by electrodeposition. Applied coatings containing the film-forming resins can be cured to form crosslinked films on substrates.

Abstract: It is intended to provide a composition which has well-balanced pressure-sensitive adhesiveness and cohesive force as well as favorable application properties to the skin, and a patch which has the above-described characteristics and hardly peels off. This object can be achieved by providing a composition comprising an acrylic copolymer containing from 3 to 25% by weight of hydroxyethyl (meth)acrylate as a constituent, a plasticizer and a pseudo-crosslinking compound, wherein the ratio of the content of the plasticizer to the content of the pseudo-crosslinking compound ranges from 30:1 to 250:1, and a patch.

Abstract: Film-forming materials include nonionic metal coordinating structures. Nonionic metal coordinating structures can coordinate metals, such as metal catalysts and metal substrates. Example film-forming materials can be the product of a poly-functional epoxide and a nucleophilic ligand having a nonionic metal coordinating structure, or the product of a poly-functional alcohol and an electrophilic ligand having a nonionic metal coordinating structure.

Abstract: A water-absorbing agent according to the present invention includes water-absorbent resin particles having an internal cross-linked structure, wherein a vicinity of a surface of the water-absorbent resin particle is cross-linked with a surface cross-linking agent, and the water-absorbent resin particle has therein a sea-island structure having (i) part containing a first water-soluble multivalent metal salt such as aluminum sulfate and (ii) part not containing the first water-soluble multivalent metal salt. With this arrangement, it is possible to provide a water-absorbing agent having less water-soluble component content, more excellent liquid permeability, and more excellent water retention under pressure than the conventional water-absorbing agent.

Abstract: The present invention provides a particulate water absorbing agent for absorbent cores which is excellent in powder conveying property, and achieves sufficient absorption performances for use in absorbent cores in particulate water absorbing agents including a water absorbing resin as a principal component, and which further is suitable for practical applications. In the present invention, characteristics that had not been known conventionally at all, i.e., “permeability potential under pressure (PPUP)” and “frictional charge being a positive charge” of the particulate water absorbing agent are regulated at a time, and furthermore, regulation of the “moisture content of 2 to 10% by weight” is perfected. Also, the particulate water absorbing agent including (A) a water-swelling crosslinked polymer having a constitutional unit derived from an unsaturated monomer containing an acid group and/or a salt thereof; and (B) water fulfills certain requirements.

Abstract: According to the present invention, there is provided a release agent and a release sheet. The release sheet is composed of a base member and a release agent layer including the release agent. The release agent layer is provided on at least one surface of the base member. The release agent contains a poly(meth)acrylate that includes a mono or polyalkylene glycol (meth)acrylate unit having an alkyl or aryl end group (unit (A)), and an alkyl (meth)acrylate unit (unit (B)). The carbon number of the alkyl group in the unit (B) is from 1 to 30.

Abstract: The present invention is directed to a substantially pigment-free coating composition with good cure response and improved appearance. In particular, the substantially pigment-free coating composition may comprise (a) at least one functional polymer containing amine groups and groups selected from hydroxyl and carbamate; and (b) a crosslinking agent.

Abstract: The invention relates to a method for gluing labels on hydrophobic substrates, wherein a radiation cross-linking, pressure-sensitive adhesive is applied on the label or on the substrate on a surface opposite to the label and irradiated with UV or electron radiation, and label and substrate are then brought together and glued to one another. The pressure-sensitive adhesive is soluble in aqueous solutions. The label is selected from i) water permeable labels with a water uptake (Cobb value) greater than 0.2 g/m2 per 20 sec, and ii) perforated labels which have perforations or cut-outs of less than 10% on the glued surfaces. Furthermore, the invention describes a label, coated with a water-soluble, radiation curable, pressure sensitive adhesive, which has a high water uptake and/or optionally perforations or cut-outs on the glued surface.

Abstract: Water-absorbent crosslinked polymers bearing acid groups, some or all of the acid groups being present as carboxylate groups having at least two different types of cations as counterions, processes for their preparation and mixtures of water-absorbent crosslinked polymers.

Abstract: Creation of nanoparticle structures in two and three dimensions is advantageous in providing a number of functions such as in relation to catalytic, optical, electronic and magnetic propertied and other actions. Fabrication of such structures poses a considerable technical challenge. A block copolymer pair is used as a matrix to spatially organizes and aligns loaded inorganic materials in the form of nanoparticles. The inorganic precursors are selectively incorporated to a specific block of a di or tri block copolymer so that through solvent evaporation, reduction and mechanical working such as LAOS the orientation and positioning of the block copolymers nanoparticles are obtained into a desired structure.

Abstract: The present invention relates to a process for producing postcrosslinked water-absorbing polymeric formations, comprising the steps of contacting water-absorbing polymeric formations P1 obtained by polymerization of ethylenically unsaturated acid-functional monomers or salts thereof in the presence of a crosslinker with a fluid F1 comprising a postcrosslinker, heating the water-absorbing polymeric formations in contact with the fluid F1 to a temperature in a range from 40 to 300° C. to obtain postcrosslinked water-absorbing polymeric formations P2, the water-absorbing polymeric formations P1 having a thermal stability, as determined in accordance with the test method described herein, of less than 3.0%.

Abstract: A liquid precursor for a gel comprises liquid polyethylene glycol (PEG), a gelling component such as a mixture of acrylic derivatives and optionally a polymerization initiator. A suitable polymerization initiator is the photoinitiator diphenyl-(2,4,6-trimethylbenzoyl)phosphine oxide. Gelation may be achieved by irradiation with UV. The resulting gel may be free from water and exhibits high viscosity over a wide range of operating conditions. The gel is suitable for use in an indication device suitable for indicating exposure to an accelerating force above a desired threshold. The indication device may be used to indicate whether an information carrier (such as a computer-readable optical disc) has previously been accessed.

Abstract: The present invention relates to a composition containing modified block copolymer dispersants and dispersible inorganic or organic pigments. The block copolymers are prepared by atom transfer radical polymerisation (ATRP) and modified with a salt forming group. The pigment composition is useful for preparing coating compositions, prints, images, inks or lacquers and other disperse systems.

Abstract: The present invention relates to a process for postcrosslinking water-absorbing polymeric particles in the absence of oxidizing gases, to the water-absorbing polymers preparable by the process and to their use in hygiene articles and packaging materials.

Abstract: A pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an aziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles.