568results about "Oil/fat/wax adhesives" patented technology

The, present invention provides useful adhesive compositions having similar adhesive properties to conventional UF and PPF resins. The compositions generally include a protein portion and modifying ingredient portion selected from the group consisting of carboxyl-containing compounds, aldehyde-containing compounds, epoxy group-containing compounds, and mixtures thereof. The composition is preferably prepared at a pH level at or near the isoelectric point of the protein. In other preferred forms, the adhesive composition includes a protein portion and a carboxyl-containing group portion.

The instant invention concerns hot melt pressure sensitive adhesives which comprise about 10 to about 50% by weight of at least one polymer; about 5 to about 50% of isoparaffinic oil; and about 30 to about 65% by weight of at least one tackifying resin. The invention also concerns products that utilize such adhesives.

The present invention provides an improved method of producing a stable acid denatured soy / urea adhesive having improved wet and dry strengths, with more efficient production and lower production costs. The method comprises combining urea with soy flour that has been acid treated until denatured and substantially free from urease activity. The soy flour is preferably lowered to a pH of 2.0 to 4.0 for at least 1 minute. Optionally, the method may also include adding a crosslinking agent, diluent or both to the soy flour / urea adhesive and / or adding an emulsified or dispersed polymer. Adhesives and dispersions prepared according to the methods of this invention offer increased stability and strength properties.

Surface retarder compositions of the invention comprise at least one surface retarder active suspended in a vegatable oil or derivative thereof, an animal oil or derivative thereof, or mixtures thereof. Methods involving use of the compositions are also described.

The invention discloses a low-temperature hot-melt pressure-sensitive adhesive for a disposable hygienic product. The low-temperature hot-melt pressure-sensitive adhesive is prepared from 10-30wt% of styrenic thermoplastic elastomer, 40-60wt% of tackifying resin, 15-35wt% of naphthenic oil, 0.1-1.0wt% of antioxidant, and selectively 0.1-5wt% of wax. The low-temperature hot-melt pressure-sensitive adhesive has appropriate melt viscosity, good initial bonding performance, persistent bonding performance, operative weldability, heat resistance and the like within the using temperature range from 120 DEG C to 130 DEG C, carbonization is effectively reduced, the equipment failure rate is lowered, the production efficiency is improved, ageing and decomposition of the tackifying resin and the other constituents are reduced, and the environment pollution is reduced. The invention further discloses a preparation method for the hot-melt pressure-sensitive adhesive.

An environmentally friendly, bio-based binder system that is useful for the formation of fiberglass insulation, the system includes: A) an aqueous curable binder composition, which includes a carbohydrate and a crosslinking agent; and B) a dedust composition, which includes a blown, stripped plant-based oil and optionally at least one emulsifying agent. The bio-based binder system is typically heated to form a cured binder system.

A method for producing a superhydrophobic surface, which includes cellulosic material. The cellulosic material includes nanocellulose particles and the method includes adding the nanocellulose particles to a surface and hydrophobizing the nanocellulose particles with a modifier before, during and / or after the addition of the particles. The invention further relates to a hydrophobic coating.

The invention discloses a vegetable oil-based adhesive, a composite plywood and a method for manufacturing the composite plywood from the vegetable oil-based adhesive. The vegetable oil-based adhesive comprises a vegetable oil-based resin, a reactive resin, a curing agent, a catalyst and additives and does not contain the formaldehyde. The composite plywood manufactured from the vegetable oil-based adhesive has high strength and good water resistance, does not contain benzene, toluene, xylene and other harmful substances and can not cause pollution to the environment. The waste petrochemical resin can be recycled, the resources can be saved, the economic cost can be saved, the use amount of the environmentally-friendly renewable materials can be increased, and the harm of the traditional composite plywood comprising the formaldehyde glue to the environment can be avoided. The composite plywood can be used as the furniture board and the floor and can be used for architectural decoration and internal decoration of motor vehicles.

An electrode sensor kit for establishing electrical contact with skin comprises at least one contact element and a preparation comprising a mixture of water and at least one lipid for enhancing electrical contact properties between said contact element and the skin, wherein said mixture forms an emulsion, in particular a water-in-oil or an oil-in-water emulsion, having a conductivity of less than 3 mS / cm. An electrode assembly for electrical impedance tomography which comprises said kit is characterized in that (a) said at least one contact element forms an electrode or sensor plate, and (b) said at least one contact element comprises a layer of said preparation.

A cellulose acylate-based dope, which has an exothermic peak giving a calorific value of 1 to 10 J / g (inclusive), between 0 and 40° C.; wherein collected wastes of cellulose acylate which are obtained by collecting and crushing a cellulose acylate film edge trimmed when raw material of the film is cast, are used in an amount of 5 to 60% by weight of the whole of the cellulose acylate or; wherein the dope comprises a solvent, wherein a recovery solvent is used in an amount of 20 to 100% of the entire solvent and; a cellulose acylate film produced by using the same.

The invention provides a high temperature resistant hot melt adhesive which is made from an elastic body, synthesized high melting-point wax, synthetic resin, a plasticizer and an antioxidizer. The hot melt adhesive has high softening point, strong adhesive attraction and penetrability, and appropriate viscosity. The hot melt adhesive is used to splice a device; and the use method is simple and convenient, the device splicing is firm, and the high temperature resistant property and the anti-aging property are good. The product does not contain a poisonous solvent, thereby belonging to an environmental-friendly product.

An adhesive product and method of making the product replaces asphalt in the manufacture of roofing shingles. The method comprises steps of forming a mixture of oil comprising fatty acids and a powdered catalyst operable to catalyze the polymerization of the oil; maintaining the oil to powdered catalyst weight ratio in the mixture between 1 to 0.01 and 1 to 4.9; heating the mixture to a reaction temperature greater than 100 degrees Centigrade; maintaining the reaction temperature for at least five minutes; and, injecting air into the mixture while maintaining the reaction temperature. In making a roofing shingle, the method includes additional steps of: applying the heated mixture to a fiberglass mat sheet from an upstream roll to form a tacky coated strip; and, adding a layer of granules to the tacky coated strip. The adhesive material of this method comprises polymerized oil and the powdered catalyst.

The invention discloses a semiconductor-chip-based low-temperature sintering type conductive slurry for bonding and the preparing technology thereof. The slurry is composed of a solid phase composition and an organic binder, the weigh proportion of which is 70-90:30-10, the solid phase composition is mixed with sheet-like and ball-shaped composite silver powder and glass powder in a weight proportion of 65-90:35-10, wherein the weight proportion of the sheet-shaped silver powder and the ball-like silver powder is 5-15: 95-85, the average grain diameter of the composite silver powder is less than 4mum, the glass powder is PbO-Al2O3-SiO2 glass powder, the main compositions are: PbO: 95%-60%, Al2O3: 2%-30%, SiO2: 1%-20%, TiO2: 0.5%-20%; the main compositions of the organic binder are: terpilenol: 50%-70%, tributyl citrate: 35%-15%, lecithin: 5%-1%, ethyl cellulose: 8%-3%, hydrogenated castor oil: 5%-10% and dimethylbenzene: 2%-10%. The slurry has high thermal conductivity, high conductivity, low-expansion coefficient and high heat dispersion.

The present invention relates to a composition which comprises at least one triblock copolymer, one terpene resin, one liquid component and one ethylene-vinyl acetate copolymer, and also to a process for preparing this composition, and to its use.

A liquid concentrate is disclosed, having a bio-derived oil carrier; at least one colorant or functional additive; and optionally surfactant, viscosity modifier, and other functional additives or specialty colorants. The colorant can be one or more pigments, one or more dyes, or combinations thereof. The functional additive can be a performance additive or a processing additive. The bio-derived oil is compatible with a variety of bio-derived polymeric resins, especially polylactic acid and polyhydroxyalkanoates.

The invention discloses a wet-strength hot-melt adhesive for a disposable hygienic product. The wet-strength hot-melt adhesive for disposable hygienic product is prepared from, by mass, 15-30% of high-molecular polymer, 40-60% of tackifying resin, 15-30% of naphthenic oil, 5-10% of auxiliary resin and 0.1-1.0% of an antioxidant. The high-molecular polymer is one or several of SBS, SIS, SBR, SEBS and SSBR, the tackifying resin is one or several of petroleum resin C5, petroleum resin C9 and modified rosin resin, and the auxiliary resin is high-polarity terpene-phenolic modified resin or maleic anhydride grafting resin. The wet-strength hot-melt adhesive is used for bonding moderate-polarity materials (wood pulp and wet-strength paper) and non-polarity materials (non-woven fabrics and PE films) in disposable hygienic product materials, and by means of the adhesive, the delaminating phenomenon caused after liquid absorbing of the product can be effectively reduced, the integrity of paper diapers is kept well, the problems of lumping, fracturing, leaking and the like of the product are avoided, and a child feels more comfortable, drier and smoother when wearing the product. The invention further discloses a method for preparing the wet-strength hot-melt adhesive for the disposable hygienic product.

A cellulose acylate which is a polymer obtained by substituting cellulose with acyl groups in 2-, 3-, 6-positions. The total degree of acyl substitution in the 2- and 3-positions is regulated to from 1.70 to 1.90. The degree of 6-position acyl substitution is regulated to 0.88 or higher.

Two-component assembly adhesives with high early tack, with component A containing 0.5 to 50% of polysaccharides, water, and water-soluble salt, and component B containing water, water-soluble salt, and polysaccharides, the adhesive also containing a water-soluble, water-dispersible polymer.

It has been unexpectedly found that the solvent extracted aromatic cut of heavy vacuum gas oil can be oxidized to produce an adhesive composition that has all the needed attributes of a self seal adhesive for asphalt roofing shingles. This adhesive composition does not require any volatile organic solvents and is accordingly environmentally friendly. It does not contain any asphalt or polymers and will not phase separate. Thus, it offers excellent long term stability. Additionally, it is made by the simple oxidation of the solvent extracted aromatic cut of heavy vacuum gas oil and is accordingly relatively inexpensive. The subject invention more specifically reveals an asphaltic roofing shingle comprising a back surface and an exposure surface, wherein the back surface is covered with an oxidized solvent extracted aromatic cut of heavy vacuum gas oil.

The invention discloses a hot-melt pressure-sensitive adhesive for PVC electrical adhesive tape and a preparation method.The hot-melt pressure-sensitive adhesive for the PVC electrical adhesive tape is prepared from, by weight, 10-100 parts of thermoplastic elastomers, 15-100 parts of tackifying agent, 5-50 parts of softener and 0.4-1.5 parts of antioxidant.According to the prepared hot-melt pressure-sensitive adhesive for the PVC electrical adhesive tape, the product is solid, the polarity of the adhesive is appropriate, migration of a plasticizer can be effectively resisted, the hot-melt pressure-sensitive adhesive is prevented from moving to the back of a membrane, and environment friendliness is good.Moreover, due to the fact that the prepared hot-melt pressure-sensitive adhesive is 100% solid without a solvent, cost is low, and after repeated tests in a laboratory and long-time storage on the PVC membrane, the hot-melt pressure-sensitive adhesive still has good pressure sensitivity.Besides, the preparation method of the hot-melt pressure-sensitive adhesive is simple, energy consumption is low, and work efficiency is high.

Adhesive compound as a permeant barrier, comprising (i) block copolymers having a construction A-B-A, (A-B)n, (A-B)nX, or (A-B-A)nX, where X is the radical of the coupling reagent, n is a whole number between 2 and 10, A is a polymer made of a vinyl aromatic compound and B is a polymer block made of an alkene or diene, wherein this polymer block can also be hydrated, with the condition that at least part of the A blocks is sulfonated, optionally with two-block copolymers in the form of A-B as an admixture component, and (ii) at least one tackifier resin.

The invention discloses a self-adhesive waterproof adhesive. The self-adhesive waterproof adhesive is characterized by being prepared from, by weight, 30-40 parts of butyl rubber with the high molecular weight, 10-20 parts of polyisobutene with the medium molecular weight, 20-30 parts of polyisobutene with the low molecular weight, 10-20 parts of petroleum resin, 1-10 parts of ethylene vinyl acetate (EVA) elastomers, 20-30 parts of naphthenic oil, 0.5-1 part of an antioxidant and 0.5-1 part of an ultraviolet absorbent.

The present invention provides an improved method of producing a stable acid denatured soy / urea adhesive having improved wet and dry strengths, with more efficient production and lower production costs. The method comprises combining urea with soy flour that has been acid treated until denatured and substantially free from urease activity. The soy flour is preferably lowered to a pH of 2.0 to 4.0 for at least 1 minute. Optionally, the method may also include adding a crosslinking agent, diluent or both to the soy flour / urea adhesive and / or adding an emulsified or dispersed polymer. Adhesives and dispersions prepared according to the methods of this invention offer increased stability and strength properties.

A bio-based adhesive and method of making the adhesive replaces or serves as additives for asphalt, sealant, and polymers such as styrene-butadiene-styrene and atactic polypropylene in the manufacture of building or paving materials. The method includes steps of forming a mixture of oil comprising fatty acids group and optionally a powdered material; maintaining the oil-to-powdered-material weight ratio in the mixture between 1 to 0.00001 and 1 to 20; heating the mixture to a reaction temperature greater than 55 degrees Centigrade; maintaining the reaction temperature until the oil is polymerized; and, injecting air into the mixture while polymerizing the oil. The adhesive of this method comprises a renewable polymer and the powdered material.

The present invention relates to an adhesive composition applicable to skin comprising: (i) a polar oil or fat including (a) at least one triglyceride and / or (b) at least one fatty acid of the formula R—CO2H, wherein R is a C3 to C30 alkyl group; and (ii) at least one homopolymer, and / or copolymer. This invention also relates to a medical adhesive device including such adhesive composition.

The invention discloses a tung oil based material for solar battery packaging and a packaging method and application thereof. The tung oil based material is prepared through the following components by weight percentage according to the component combination: 10-99% of tung oil based resin, 0-90% of industrial resin, 0.1-20% of initiator and 0-20% of additives. The tung oil based material is fast cured in a light induced or heat induce cross-linking method to be used for packaging solar batteries. The tung oil based material is adopted to replace a petroleum-based polymer material to be used in packaging of photovoltaic products, and consumption of petroleum resources and energy in solar battery packaging are reduced. The tung oil based material has the advantages of being wide in sources, friendly in environment, easy and convenient to prepare, energy-saving and convenient to operate, and has wide application prospect.

A stainless putty composition is provided that includes a liquid portion including vegetable oil, and a solids portion. The solids portion includes one or more of a filler and polymeric plasticizer. The stainless putty composition is essentially free of hydrocarbons.

The invention provides a binding material for bituminous concrete base-surfaces, which is composed of a matrix component and a hardening component, wherein the mass ratio of the matrix component to the hardening component is 100: (8-60); the matrix component is composed of the following raw materials in parts by weight: 10-80 parts of bitumen, 14-65 parts of a synthetic resin, 2-20 parts of a thinner, and 1.5-5 parts of a solubilizer, and the part sum of the raw materials of the matrix component is 100; the hardening component is composed of the following raw materials in parts by weight: 80-99 parts of an amine curing agent, and 1-20 parts of a penetrating agent, and the part sum of the raw materials of the hardening component is 100. The binding material disclosed by the invention can improve the binding performance thereof, and increase the durability of repair of epoxy bituminous concrete paved layers.