31results about How to "Use of adhesive" patented technology

The invention relates to novel adhesive alpha-olefin inter-polymers which are largely amorphous and have a rheological behavior that makes them suitable for adhesive use, both without and with minimized amounts of tackifying resins. Specifically, the invention poly-alpha olefin inter-polymer may be composed of A) from 60 to 94 mol % of units derived from one alpha mono-olefin having from 3 to 6 carbon atoms and B) from 6 to 40 mol % of units derived from one or more other mono-olefins having from 4 to 10 carbon atoms and at least one carbon atom more than A); and C) optionally from 0 to 10 mol % of units derived from another copolymerizable unsaturated hydrocarbon, different from A) and B); the diad distribution of component A in the polymer as determined by <13>C NMR as described herein showing a ratio of experimentally determined diad distribution over the calculated Bernoullian diad distribution of less than 1.07; and the storage modulus G' of said polymer, determined upon cooling as described herein, intersecting a value of 3.10<5 >Pa at a temperature of less than 85° C. The invention also describes polymerization processes suitable for the manufacture of these adhesive alpha-olefin inter-polymers.

The invention relates to novel adhesive alpha-olefin inter-polymers which are largely amorphous and have a Theological behavior that makes them suitable for adhesive use, both without and with minimzed amounts of tackifying resins. Specifically, the invention poly-alpha olefin inter-polymer may be composed of A) from 60 to 94 % of units derived from one alpha mono-olefin having from 3 to 6 carbon atoms and B) from 6 to 40 mol % of units derived from one or more other mono-olefins having from 4 to 10 carbon atoms and at least one carbon atom more than A); and C) optionally from 0 to 10 mol % of units derived from another copolymerizable unsaturated hydrocarbon, different from A) and B); the diad distribution of component A in the polymer as determined by 13C NMR as described herein showing a ratio of experimentally determined diad distribution over the calculated Bernoullian diad distribution of less than 1.07; and the storage modulus G' of said polymer, determined upon cooling as described herein, intersecting a value of 3.105 Pa at a temperature of less than 85 ° C. The invention also describes polymerization processes suitable for the manufacture of these adhesive alpha-olefin inter-polymers.

An adhesive composition comprising (A) a polymerizable monomer component containing not less than 5% by mass of an acidic group-containing polymerizable monomer, (B) a polyvalent metal ion-eluting filler, (C) a volatile organic solvent, and (D) water, wherein the polyvalent metal ion-eluting filler (B) is blended in such an amount that the amount of the polyvalent metal ions eluted out from the filler becomes 1.0 to 7.0 meq per gram of the polymerizable monomer component (A), the volatile organic solvent (C) is blended in an amount in a range of 30 to 150 parts by mass per 100 parts by mass of the polymerizable monomer component (A) and so as to satisfy 20·X parts by mass or more (X is a number representing the amount of elution of the polyvalent metal ions), and the water (D) is blended in an amount of 3 to 30 parts by mass per 100 parts by mass of the polymerizable monomer component (A). The composition maintains a large strength of adhesion to the teeth, can be preserved in the form of one package, and can be used as a material for pre-treating the teeth and as a dental adhesive.

A moisture curable polymer and a curable composition having superior curability are provided. A polymer having a silicon group represented by the general formula: —SiFaR1bZc (wherein, R1 represents any one of a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, or an organosiloxy group represented by R23SiO— (R2 is each independently, a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms). Z is a hydroxyl group or a hydrolyzable group other than fluorine. a is any one of 1, 2, or 3; b is any one of 0, 1, or 2; c is any one of 0, 1, or 2; and a+b+c is 3. When b or c is 2, two R1 or two Z may be each the same or different) and a curable composition including this polymer, and a sealant and an adhesive in which the curable composition is used.

The invention is a curable composition comprising the following component (A) and component (B):Component (A): a curable polysilsesquioxane compound having a repeating unit represented by the following specific formula (a-1):R1—D—SiO3 / 2  (a-1)Component (B): a silane coupling agent having a nitrogen atom in its molecule, anda method for producing the curable composition, anda cured product obtained by curing the curable composition, anda method for using the curable composition as an adhesive for an optical element-fixing material, anda method for using the curable composition as a sealant for an optical element-fixing material, andan optical device obtained by using the curable composition as an adhesive or a sealant for an optical element-fixing material.One aspect of the curable composition according to one embodiment of the invention can provide a cured product excellent in adhesiveness and heat resistance and having a low refractive index.

[Problems] To provide a chemical polymerization type curable composition which can achieve a very large strength of adhesion even without irradiated with light, and is used in the field of dental therapy.[Means for Solution] A dental curable composition comprising (A) a polymerizable monomer component containing an acidic group-containing polymerizable monomer, (B) water, and (C) a chemical polymerization initiator component comprising a radical-generating species and a reactive species that generates radicals upon reacting with the radical-generating species; wherein, the dental curable composition is stored being divided into a plurality of packages, and is polymerized and cured by mixing together the components contained in the packages; and wherein one package (I) among the packages contains the component (A) and the component (B), and, further, contains polyvalent metal ions in an amount of 0.3 to 10 meq per gram of the polymerizable monomer component (A) contained in the package; and the chemical polymerization initiator (C) is stored being divided into at least two packages so that the radical-generating species and the reactive species do not come in contact with each other.

An R-T-B based sintered magnet includes both a light rare-earth element RL (which is at least one of Nd and Pr) and a heavy rare-earth element RH (which is at least one of Dy and Tb) and Nd2Fe14B type crystals as a main phase. The magnet has a first region, which includes either the heavy rare-earth element RH in a relatively low concentration or no heavy rare-earth elements RH at all, and a second region, which includes the heavy rare-earth element RH in a relatively high concentration. The first and second regions are combined together by going through a sintering process.

An adhesive composition comprising (A) a polymerizable monomer component containing not less than 5% by mass of an acidic group-containing polymerizable monomer, (B) a polyvalent metal ion-eluting filler, (C) a volatile organic solvent, and (D) water, wherein the polyvalent metal ion-eluting filler (B) is blended in such an amount that the amount of the polyvalent metal ions eluted out from the filler becomes 1.0 to 7.0 meq per gram of the polymerizable monomer component (A), the volatile organic solvent (C) is blended in an amount in a range of 30 to 150 parts by mass per 100 parts by mass of the polymerizable monomer component (A) and so as to satisfy 20·X parts by mass or more (X is a number representing the amount of elution of the polyvalent metal ions), and the water (D) is blended in an amount of 3 to 30 parts by mass per 100 parts by mass of the polymerizable monomer component (A). The composition maintains a large strength of adhesion to the teeth, can be preserved in the form of one package, and can be used as a material for pre-treating the teeth and as a dental adhesive.

The present invention relates to improved self-adhesive labels which are suitable far use in adhering to wet surfaces or wet irregularly shaped surfaces such as that found on fruits and vegetables. The self-adhesive label is made of a water absorbent backing layer having opposing sides and a rubber-based pressure sensitive adhesive applied on one side of the backing layer. The adhesive is discontinuously coated as a pattern onto the backing layer to provide areas of the adhesive interspersed with areas which are free of adhesive.

Lignocellulosic syrup is produced as a co-product in a lignocellulosic biomass fermentation process, such as one producing ethanol from lignocellulosic biomass. The lignocellulosic syrup may be used as a binder of particulate materials. In addition, the syrup may be used as an adhesive.

The invention relates to novel adhesive alpha-olefin inter-polymers which are largely amorphous and have a rheological behavior that makes them suitable for adhesive use, both without and with minimzed amounts of tackifying resins. Specifically, the invention poly-alpha olefin inter-polymer may be composed of A) from 60 to 94% of units derived from one alpha mono-olefin having from 3 to 6 carbon atoms and B) from 6 to 40 mol % of units derived from one or more other mono-olefins having from 4 to 10 carbon atoms and at least one carbon atom more than A); and C) optionally from 0 to 10 mol % of units derived from another copolymerizable unsaturated hydrocarbon, different from A) and B); the diad distribution of component A in the polymer as determined by 13C NMR as described herein showing a ratio of experimentally determined diad distribution over the calculated Bernoullian diad distribution of less than 1.07; and the storage modulus G′ of said polymer, determined upon cooling as described herein, intersecting a value of 3.105 Pa at a temperature of less than 85° C. The invention also describes polymerization processes suitable for the manufacture of these adhesive alpha-olefin inter-polymers.

The present invention discloses a curable polycyclic compound represented by the following formula (1): {wherein A is a di- to hexa-valent group derived from a polycyclic hydrocarbon compound; R1 is an alkyl group of 1 to 4 carbon atoms, a perfluoroalkyl group of 1 to 4 carbon atoms, or a fluorine atom; n is an integer of 0 to 2; m is an integer of 2 to 4; and Y is a group represented by the following formula (2) or (3): (wherein R2, R3, R5 and R6 are each independently a hydrogen atom, a fluorine atom or an alkyl group of 1 to 4 carbon atoms; R4 is a methyl group or an ethyl group; and p and q are each independently an integer of 0 to 4)}.

A method for manufacturing a pressure-sensitive adhesive layer for use on an optical film, the method includes a filtration step including filtering a pressure-sensitive adhesive coating liquid under a differential pressure of more than 0 kPa and not more than 150 kPa using a depth type filter having a filtration accuracy of 1 to 20 μm. The pressure-sensitive adhesive coating liquid contains an aqueous dispersion-type pressure-sensitive adhesive; and an application and drying step including applying the filtered pressure-sensitive adhesive coating liquid and then drying the coating liquid.

[Problem] To provide an adhesive composition which is used for fixing a semiconductor wafer or the like onto a substrate, exhibits firm adhesion with high heat resistance in the wafer grinding stage and is melted by heating to enable easy peeling after the completion of the wafer grinding stage. [Means to solve problem] The hot-melt adhesive composition of the invention is a composition containing as a main component a crystalline compound having a melting temperature of 50 to 300° C., and has a melting temperature width of not more than 30° C. and a melt viscosity of not more than 0.1 Pa·s. The crystalline compound as a main component is desired to be an organic compound composed of elements of C, H and O only and having a molecular weight of not more than 1000, preferably an aliphatic compound or an alicyclic compound, particularly preferably a compound having a steroid skeleton and / or a hydroxyl group.

Provided is a transducer that can be manufactured without using a volatile adhesive or an organic solvent. A transducer is provided with: a first electrode sheet provided with a plurality of first through-holes; a dielectric layer, of which a first surface is disposed on the first-electrode-sheet side; and a first fusion-bonding layer formed from a fusion-bonding material, the first fusion-bonding layer joining together, by fusion bonding of the fusion-bonding material, a boundary region between a body portion of the dielectric layer and a first inner surface of the first electrode sheet and a boundary region between the body portion of the dielectric layer and a first inner circumferential surface of at least some of the plurality of first through-holes.

There is provided a curable resin composition that exhibits high adhesive properties to materials such as glass, copper, aluminum, PET, and PC, which have been regarded as poor adherends relative to photo-curable compositions, and high adhesive properties also between adherends different from each other. A curable resin composition including a polyene compound of Formula (1):(where n1, n2, and n3 are each independently an integer of 2 to 4; and R1 to R9 are each independently a hydrogen atom or a C1-10 alkyl group). The composition may further include a thiol compound or a photopolymerization initiator. The thiol compound may be a compound having two to six thiol groups in the molecule, or be an aliphatic thiol, or be produced by a reaction of an aliphatic mercapto carboxylic acid and a polyhydric alcohol. The polyhydric alcohol may be an aliphatic polyhydric alcohol or hydroxyalkyl isocyanurate.

There is provided a curable resin composition that exhibits high adhesive properties to materials such as glass, copper, aluminum, PET, and PC, which have been regarded as poor adherends relative to photo-curable compositions, and high adhesive properties also between adherends different from each other. A curable resin composition including a polyene compound of Formula (1):(where n1, n2, and n3 are each independently an integer of 2 to 4; and R1 to R9 are each independently a hydrogen atom or a C1-10 alkyl group). The composition may further include a thiol compound or a photopolymerization initiator. The thiol compound may be a compound having two to six thiol groups in the molecule, or be an aliphatic thiol, or be produced by a reaction of an aliphatic mercapto carboxylic acid and a polyhydric alcohol. The polyhydric alcohol may be an aliphatic polyhydric alcohol or hydroxyalkyl isocyanurate.

[Problems] To provide a chemical polymerization type curable composition which can achieve a very large strength of adhesion even without irradiated with light, and is used in the field of dental therapy.[Means for Solution] A dental curable composition comprising (A) a polymerizable monomer component containing an acidic group-containing polymerizable monomer, (B) water, and (C) a chemical polymerization initiator component comprising a radical-generating species and a reactive species that generates radicals upon reacting with the radical-generating species; wherein, the dental curable composition is stored being divided into a plurality of packages, and is polymerized and cured by mixing together the components contained in the packages; and wherein one package (I) among the packages contains the component (A) and the component (B), and, further, contains polyvalent metal ions in an amount of 0.3 to 10 meq per gram of the polymerizable monomer component (A) contained in the package; and the chemical polymerization initiator (C) is stored being divided into at least two packages so that the radical-generating species and the reactive species do not come in contact with each other.

The present invention discloses a curable polycyclic compound represented by the following formula (1):{wherein A is a di- to hexa-valent group derived from a polycyclic hydrocarbon compound; R1 is an alkyl group of 1 to 4 carbon atoms, a perfluoroalkyl group of 1 to 4 carbon atoms, or a fluorine atom; n is an integer of 0 to 2; m is an integer of 2 to 4; and Y is a group represented by the following formula (2) or (3):(wherein R2, R3, R5 and R6 are each independently a hydrogen atom, a fluorine atom or an alkyl group of 1 to 4 carbon atoms; R4 is a methyl group or an ethyl group; and p and q are each independently an integer of 0 to 4)}.

Disclosed are an improved cosmetic brush and a manufacturing method thereof. The improved cosmetic brush of the present invention includes: a brush bristle coupling portion of which brush bristles are coupled to one side portion; a connection fixing portion of which the brush bristle coupling portion is coupled to the inside; and a handle portion of which the brush bristle coupling portion and the connection fixing portion are coupled to one side portion, in which the handle portion includes a handle body, a first step body provided to be stepped on an end portion of the handle body and press-coupled with an end portion of the connection fixing portion, and a second step body provided to be stepped on an end portion of the first step body and press-coupled with end portions of the connection fixing portion and the brush bristle coupling portion.

Provided is a resin composition for a film, which is used for producing the film having excellent insulating properties and thermal conductivity. The provided resin composition for the film contains a thermosetting resin (A) and hexagonal boron nitride secondary agglomerated particles (B). Here, the hexagonal boron nitride secondary agglomerated particles (B) contains hexagonal boron nitride secondary agglomerated particles (B-1) having a cohesive breaking strength of 7 MPa or more and hexagonal boron nitride secondary agglomerated particles (B-2) having a cohesive breaking strength of 3 MPa or more and less than 7 MPa.

The present invention provides a laminated body obtained by bonding a thinned glass plate and a resin film with an adhesive agent, the laminated body having excellent bending resistance. The laminated body according to an embodiment of the present invention comprising a structure having a glass plate with a thickness of 150 μm or less and a resin film laminated with an adhesive layer; the laminated body having a bending resistance based on a test below of 10 or greater. Bending Resistance Test: in the case where a set of operation includes bending a laminated body for 180° from a state where the laminated body is stretched, in a direction that makes a surface of a glass plate concave and a bending radius 3 mm and then stretching the laminated body again, an index of the bending resistance is the number of sets of the operation until the laminated body cracks when the operation was performed at a rate of 43 sets per minute.

A polyester (alkyd) for use in hot melt adhesive composition is provided. Unreacted carboxyl groups in the alkyd resin are reacted with a monofunctional epoxide to form functional groups that are unreactive with alcohols.

Provided is a two-component adhesive that includes a first composition and a second composition, in which the first composition contains: a complex derived from an organoborane and a first compound having a first group capable of undergoing an addition reaction to an isocyanate group; and as a diluent, a second compound not having a polymerizable group, the second composition containing: a third compound having an isocyanate group and a polymerizable group; and a dehydrating agent. The first composition preferably does not substantially contain a compound having a polymerizable group.

Provided by the present invention is a two-component adhesive which includes a first composition and a second composition, in which the first composition contains: a complex derived from an organoborane and a first compound having a first group capable of undergoing an addition reaction to an isocyanate group; and a second compound having a plurality of hydroxy groups, and the second composition contains: a third compound having a plurality of isocyanate groups; a fourth compound having a polymerizable group; and a dehydrating agent. Provided that a mass of the fourth compound in the second composition is X, and that a total mass of the second compound in the first composition and the third compound in the second composition is Y, a value X / (X+Y) is preferably no less than 0.4 and no greater than 0.85.

Provided is a two-component adhesive that includes a first composition and a second composition, in which the first composition contains: a complex derived from an organoborane and a first compound having a first group capable of undergoing an addition reaction to an isocyanate group; and as a diluent, a second compound not having a polymerizable group, the second composition containing: a third compound having an isocyanate group and a polymerizable group; and a dehydrating agent. The first composition preferably does not substantially contain a compound having a polymerizable group.