58results about "Cyclodextrin adhesives" patented technology

A novel compound and novel gelatinous substance which have high absorbability, uniform expansion, and elasticity. Although conventional gels include chemical gels and physical gels, no novel gels or compounds have been realized which have fracture resistance, high entropic elasticity, and biodegradability. The present invention provides a novel compound and a novel gelatinous substance which each comprises a crosslinked polyrotaxane obtained by chemically bonding two or more polyrotaxane molecules through the cyclic molecules or rotators thereof.

The invention relates to a nitrogen-containing binder for sulfur-lithium batteries and a preparation method thereof. The binder is a nitrogen-containing cyclodextrin polymer water-based binder with a three-dimensional network structure. The existing three-dimensional network structure can well bear the mechanical pressure brought by sulfur-lithium batteries in the charging and discharging process due to volume change, introduced nitrogen-containing functional groups can effectively inhibit the problems of dissolution and shuttle effect of polysulfide ions in electrolyte, a number of hydroxyl groups exist in the cyclodextrin and have strong hydrogen-bond interaction with anode material particles, and the stability of pole pieces can be maintained. In addition, the binder also has a role of increasing guide ions. Therefore, the binder can effectively solve the problem that a positive polysulfide material in the sulfur-lithium batteries is unstable in organization structure, the utilization rate of composite material active matter and the rate capability of the active matter can be improved, and accordingly the specific power, specific energy and cyclicity of the batteries can be improved.

The present invention provides a selective adhesion method and a self-assembly method for macroscale materials based on molecular recognition. One or more host bodies formed from a macromolecule having one or more host groups on the side chains, and one or more guest bodies formed from a macromolecule having one or more guest groups on the side chains are vibrated in a solvent to selectively form an assembly.

A pressure-sensitive adhesive layer of pressure-sensitive adhesive sheet is formed by using: a pressure-sensitive adhesive composition comprising (A) a polyrotaxane having a linear-chain molecule passing through opening portions of at least two cyclic molecules, the cyclic molecules having a reactive group, the polyrotaxane having blocking groups at both ends of the linear-chain molecule, and (B) a pressure-sensitive adhesive polymer having two or more functional groups capable of reacting with the reactive group; or, a pressure-sensitive adhesive composition comprising (A) a polyrotaxane having a linear-chain molecule passing through opening portions of at least two cyclic molecules, the cyclic molecules having a reactive group, the polyrotaxane having blocking groups at both ends of the linear-chain molecule, (B′) a pressure-sensitive adhesive polymer having two or more reactive groups, and (C) a compound having two or more functional groups capable of reacting with the reactive group of the polyrotaxane (A) and the reactive groups of the polymer (B′). As a result there can be provided a pressure-sensitive adhesive sheet comprising a pressure-sensitive adhesive layer excellent in flexibility and having high gel fraction and durability, and a pressure-sensitive adhesive composition that constitutes the pressure-sensitive adhesive layer.

The invention discloses an environmental-protection and energy-saving cultivating bag for apples and a preparation method thereof, belonging to the technical field of fruit tree planting. The cultivating bag for apples comprises, from outside to inside, an external paper layer, an intermediate layer and an inner paper layer. The external and inner paper layers of the cultivating bag are made of nano-cellulose paper which is safe and environmental protection material and has high transparency and high flexibility and is renewable and degradable; the prepared cultivating bag for apples has good water resistance performance, good ventilating performance and increases the level of appearance of apples and guarantees the taste and output of apples. When apples are ripe, the cultivating bags can be picked off along with apples and packaged directly and act as package paper for apples, which saves time and lowers cost and becomes an efficient safe and environmental protection measure; wasted fruit bags will not bring pollution or damage to fruits nor effect the health of orchard workers so as to lay a solid foundation for green fruits.

The application concerns a Binder (comprising sulfamic acid, ammonium sulfamate and ammonium sulfate) and process of production of fabrics containing cyclodextrins fixed to the binder. The technology allows fixing a binder to natural, synthetic or artificial fibers, and, by means of a thermal processes, to fix cyclodextrins to the same binder, giving rise to fabrics suitable to incorporate active principles and to release them along with time. Peculiar characteristics of the binder are its abilities to interact with several types of fabric, independently of their composition, and with several types of cyclodextrin. Other peculiarities of embodiments are: the ability to produce functionalized fabrics, adapted to be weighted with desired molecules and release them gradually along time, with a process that does not alter the original characteristics of the fabric; the possibility of repeating several times the weighting of such molecules, so as to be able to define such fabrics as “reloadable” or “rechargeable.”

The invention provides an adhesive composition, an adhesive, an adhesive sheet, and a display body. The adhesive composition can exert high coating strength. The adhesive composition comprises (meth)acrylate polymer (A), which comprises a monomer unit composed of hydroxyl monomers and fatty ring monomers; polyrotaxane (B), which comprises cyclic oligosaccharide as the cyclic molecules; and an isocyanate crosslinking agent (C).

A pressure-sensitive adhesive composition including: a (meth)acrylate copolymer (A) obtained by copolymerizing a (meth)acrylate and a reactive group-containing monomer, such that a ratio of the reactive group-containing monomer (constituent unit derived from the monomer) in the copolymer ranges from 0.01 to 15 wt %; a polyrotaxane (B) having at least two cyclic molecules and a linear-chain molecule passing through opening portions of the cyclic molecules wherein the cyclic molecules have each one or more reactive groups and the linear-chain molecule has blocking groups at both ends thereof; and a crosslinking agent (C) having a reactive group capable of reacting with the reactive group of the (meth)acrylate copolymer (A) and with the reactive group of the polyrotaxane (B).

To reduce blister defects of a polarizing plate comprising a cured layer of a curable composition. A polarizing plate comprising: a polarizer; a cured layer of a curable composition; and at least one layer containing an iodine scavenger disposed between the polarizer and the cured layer. the iodine scavenger is at least one selected from the group consisting of starches, cyclodextrins, polyvinylpyridines, and polyvinylpyrrolidones.

The invention discloses a fragrance type multi-layer composite floor and aims at providing a fragrance type multi-layer composite floor which enables fragrance to be kept for a long time, is convenient for use and brings a comfortable and inviting space for people. The fragrance type multi-layer composite floor comprises an uppermost panel, a core plate and a bottom plate which are sequentially glued into a whole to form a wood structure plate, and the side surface of the wood structure plate is provided with grooves and tongues which are spliced with one another. The fragrance type multi-layer composite floor is characterized in that the core plate is formed by gluing a plurality of layers of veneers by a bonding agent added with controlled-release essence. The fragrance type multi-layer composite floor has the function of a multi-layer composite floor, and can release durable fragrance with different types for regulating an indoor environment; and a plurality of aromatics have functions of calming, sterilizing, health protecting and the like. Compared with the conventional composite floor, the fragrance type multi-layer composite floor has same machining processes except for the use of the bonding agent, has the characteristics of convenience for manufacture, low cost, durable fragrance and the like, and can be widely applied to indoor decorations of offices, meeting rooms, family houses and the like..

The invention discloses a special paper tube adhesive for paper and belongs to the technical field of binding agents. The special paper tube adhesive for the paper is prepared by the following steps:stirring and mixing nano silicon dioxide, a silane coupling agent and an ethanol solution and reacting; then filtering, washing and drying to obtain modified nano silicon dioxide; then carrying out ultrasonic dispersion on the modified nano silicon dioxide and absolute ethyl alcohol to obtain a modified nano silicon dioxide dispersed solution; mixing glass fibers and the modified nano silicon dioxide dispersed solution and immersing; then drying the immersed glass fibers until the weight is constant; mixing the immersed glass fibers and a dopamine solution and immersing; then drying the immersed glass fibers until the weight is constant, so as to obtain modified glass fibers; stirring and mixing polyvinyl alcohol, a cyclodextrin derivative and water; then adding polyvinyl acetate emulsion,cellulase, the glass fibers and polystyrene emulsion, and stirring and mixing to obtain the special paper tube adhesive for the paper. The special paper tube adhesive for the paper, which is preparedby the technical scheme, has the characteristics of excellent bonding performance and has a wider application and development field.

The invention discloses a eutectic solvent, an environment-friendly adhesive and a preparation method thereof, the eutectic solvent is formed by mixing a hydrogen bond donor and a hydrogen bond acceptor, the hydrogen bond donor is one of citric acid, malic acid and tartaric acid, and the hydrogen bond acceptor is cyclodextrin; wherein the cyclodextrin is one of alpha-cyclodextrin, beta-cyclodextrin and gamma-cyclodextrin; wherein the malic acid is L-(-)-malic acid; wherein the tartaric acid is L-(+)-tartaric acid. The preparation method of the environment-friendly adhesive comprises the step of preparing the environment-friendly adhesive by taking any eutectic solvent as a raw material. The eutectic solvent provided by the invention can be used for preparing the environment-friendly adhesive, and the prepared environment-friendly adhesive has the advantages of environment friendliness, high viscosity, simple preparation method, readily available raw materials, high applicability, organic solvent resistance and the like, so that the eutectic solvent has huge potential in the aspect of serving as an adhesive.

The invention discloses a gluing dust capture system for coal mine driving face dust removal. The gluing dust capture system comprises a ventilation power subsystem, a gluing dust capture subsystem and a control subsystem; the gluing dust capture subsystem comprises a dust removal chamber, a glue spraying device, a glue spraying pump, a water spraying device, a water spraying pump and a dust removal filtering net boom, and dust capture gluing agents are evenly coated on the dust removal filtering net boom; the gas outlet end of the ventilation power subsystem is in fluid communication connection with the gas inlet end of the dust removal chamber, and the gas outlet end of the dust removal chamber is in fluid communication with atmosphere; and the dust removal filtering net boom is arranged in the dust removal chamber, the gas inlet end and the gas outlet end of the dust removal chamber are arranged on the two sides of a grid mesh of the dust removal filtering net boom, and gas flowing to the gas outlet end of the dust removal chamber from the gas inlet end of the dust removal chamber passes through the grid mesh of the dust removal filtering net boom. In this way, dust in dust air flow can be efficiently removed, the structure is simple, operation is convenient, and the phenomenon that humidity is too high due to mist spraying for dust fall can be reduced.

The invention discloses an epoxy resin adhesive with good painting performance. The epoxy resin adhesive comprises a component A and a component B, the weight ratio of the component A to the component B is 100: (4-8), the component A comprises, by weight, 70-80 parts of substrates, 18-22 parts of beta-cyclodextrin compounds, 3-5 parts of phthalic acid ester, 15-25 parts of filling agents, 2-3 parts of vinyltriethoxysilane, 40-60 parts of trimethylolpropane-propylene oxide polyether triol, 2-3 parts of anti-aging agents and 2-4 parts of dispersing agents, and the component B comprises, by weight, 0.5-1.5 parts of phenolic modified amine curing agents, 1-3 parts of diaminodiphenylmethane and 15-25 parts of trimethylolpropane-propylene oxide polyether triol. The epoxy resin adhesive has good curing performance and mechanical strength and is high in toughness and anti-impact strength, low in brittleness, good in painting performance and low in cost.

The invention relates to the technical field of infiltration agent preparation, and particularly relates to a preparation method for an infiltration agent with low viscosity and low shrinkage. According to the preparation method, acrylic acid and methacrylic acid are used as monomers; substances such as sodium dodecanesulphonate and sodium bicarbonate are added to obtain acrylate latex; a self-made rheological filler, vermiculite powder and the acrylate latex are mixed to obtain an infiltration liquid; a polyvinyl alcohol solution and n-butyraldehyde are subjected to a reaction; and the infiltration liquid, wood powder and a reinforcing agent are added to obtain the infiltration agent with the low viscosity and the low shrinkage. The vermiculite powder in the infiltration liquid enables the intersolubility between the polyvinyl alcohol and n-butyraldehyde molecules to be increased, and the reaction conversion rate is improved; lignin can produce large steric hindrance in the infiltration liquid, which facilitates improving the dispersion performance of acrylate particles in the infiltration liquid; the reinforcing agent accelerates volatilization of water-based volatile matters inan aqueous emulsion; and in addition, the lignin enables the deposition density of the infiltration liquid to be increased when a metal workpiece is bonded, enables the shrinkage amount of the infiltration liquid to be reduced during rapid curing, and has a broad application prospect.

The invention discloses an exercise bandage adhesive and a preparation method thereof. The exercise bandage adhesive is composed of SBS, tackifier, HO-SBS, cyclodextrin poly-aldehyde, plant polysaccharide, naphthenic oil and anti-oxidant. An exercise bandage made of the exercise bandage adhesive has a good biological sticking property on skin, moisture can be absorbed well, sweat can be released well, pain cannot be caused when the exercise bandage is bonded to and torn away from the skin, no residual adhesive is left, and no irritation is generated to the skin.

An object of the present invention is to provide an adhesive composition, an adhesive, and an adhesive sheet capable of reducing haze under a normal temperature environment and a low temperature environment when a (meth) acrylic acid ester polymer and a polyrotaxane compound are contained. The adhesive composition comprises a (meth) acrylic acid ester polymer (A) and a polyrotaxane compound (B). The (meth) acrylic acid ester polymer (A) contains a monomer unit which contains an aromatic ring-containing monomer and a reactive functional group-containing monomer and constitutes the polymer, andthe content of the aromatic ring-containing monomer as a constituent monomer unit in the (meth) acrylic acid ester polymer (A) is 2.5% by mass or more and 30% by mass or less. The content of the reactive functional group-containing monomer as a structural monomer unit in (meth) acrylic acid ester polymer (A) is 5% by mass or more and 30% by mass or less.

The invention discloses a sheet rolling adhesive-coating device for multi-layer bamboo plywood processing and relates to the technical field of plywood processing. The sheet rolling adhesive-coating device comprises a rack, adhesive-coating rollers, an adhesive storing trough disposed above the adhesive-coating rollers, an adhesive recycling trough disposed below the adhesive-coating rollers and motors which drive the adhesive-coating rollers to rotate at the uniform speed in the same direction, wherein the adhesive-coating rollers are composed of the first obverse-side adhesive-coating roller, the second obverse-side adhesive-coating roller, the first reverse-side adhesive-coating roller and the second reverse-side adhesive-coating roller which are distributed in an array mode; adhesive outlet pipes are disposed at the bottom of the adhesive storing trough; adhesive liquid in the adhesive storing trough flows into an obverse-side adhesive storing cavity through the adhesive outlet pipes and flows into a reverse-side adhesive storing cavity through a reverse-side adhesive inlet channel; and the adhesive recycling trough pumps recycled adhesive liquid into the adhesive storing trough through an adhesive liquid recycling pump and an adhesive liquid recycling pipe. By means of the sheet rolling adhesive-coating device for multi-layer bamboo plywood processing, double-side uniformcoating of the adhesive liquid on sheets can be achieved at the same time, the coating efficiency of the adhesive liquid is greatly improved, recycling of the adhesive liquid is achieved, the adhesiveliquid is prevented from being wasted, and the preparation cost of the adhesive liquid is reduced.

The invention discloses a high-frequency low-loss modified polyphenyl ether-based composite material, one or more acryloyl modified cyclodextrin monomers are complexed on a polyphenyl ether molecule main chain, and the complexing ratio of a 2, 6-dimethyl-1, 4-phenylene ether repetitive structure unit to the acryloyl modified cyclodextrin monomers is (2-30): 1; after a cross-linking reaction at a proper temperature, the material has the following typical performance indexes: the dielectric constant (10GHz) is less than or equal to 3.2; the dielectric loss (10GHz) is less than or equal to 0.0045; the glass transition temperature is greater than or equal to 200 DEG C; the solvent resistance (toluene, 72 hours) is that the material is not dissolved or swelled.

The invention relates to the field of materials, and specifically discloses a color sealing material for the edge of a card base and a manufacturing method thereof. The color sealing material is formed by a base film layer, a separation gel layer, a sealing protection layer, a colored tape layer and an adhesive layer which are in successive arrangement. The color sealing material for the edge of the card base can be transferred to the edge of the card base after heating, so the adhesive layer is directly adhered to the edge of the card base; and after the color sealing material is dried and fixed, the base film layer on the edge of the card base is torn off, so the card base with a colored edge is formed. The color sealing material provided by the invention can effectively prevent the phenomenons of layering and stripping of the cross section of the card base, can improve smoothness of the cross section of the card base and overall beauty of the card base, and has advantages like simple and convenient operation, low cost and high efficiency at the same time.