42results about How to "No loss of adhesion" patented technology

The invention provides a preparation method of a peelable type organosilicon pressure-sensitive adhesive. The preparation method comprises the following steps: firstly, synthesizing MQ resin by adopting a water glass method; secondly, synthesizing carboxyl-terminated silicone rubber by adopting a direct equilibrium copolymerization method; and finally, mixing the MQ resin, the carboxyl-terminated silicone rubber and an organic solvent in a certain proportion and stirring evenly, adding a certain amount of catalyst, a filling material, a curing agent and a stabilizing agent and stirring evenly, heating for reflux reaction for a certain time, and cooling and vacuumizing to remove the solvent as much as possible, so as to obtain the peelable type organosilicon pressure-sensitive adhesive. The method better solves the difficult problems of high coating fragility, bad peelability, poor durability and weatherability, higher cost and the like of the conventional peelable type organosilicon pressure-sensitive adhesive product. The peelable type organosilicon pressure-sensitive adhesive has excellent storage stability, film forming property, water resistance and peelability, leaves no mark after being peeled off a base material and can be reused without losing adhesiveness.

The invention discloses a refractory ceramic fiber board. The refractory ceramic fiber board comprises, by weight, 20-60 parts of glass fibers, 30-50 parts of mineral fibers, 5-7 parts of aluminum oxide, 5-8 parts of chromic oxide, 6-10 parts of polyester fibers, 80-100 parts of linen fibers, 40-50 parts of carbon fibers, 3-8 parts of magnesium oxide, 5-10 parts of silicon oxide, 5-10 parts of polyethylene glycol, 3-5 parts of sodium hexametaphosphate, 5-8 parts of lauryl sodium sulfate, 10-15 parts of organic silicon defoaming agents, 3-8 parts of paraffin, 5-10 parts of rubber, 10-25 parts of resin, 12-20 parts of polybutadiene latex and 15-18 parts of butylbenzene latex. When at high temperature, the refractory ceramic fiber board can bear high temperature more than 1000 DEG C, and binding force is not lost; when at low temperature, the refractory ceramic fiber board has good binding and dispersing performance, fibers are evenly dispersed in the whole product manufacturing technological process, and service life is effectively prolonged.

Provided is a laminate for a nonaqueous battery having moderate adhesion to be used in a nonaqueous battery in which a nonaqueous electrolytic solution is sealed, the laminate for a nonaqueous battery being capable of improving the suitability of electrodes to be packed into a battery case without causing a reduction in battery output, being capable of preventing a short circuit between the electrodes caused by the penetration of a burr or the like present on an electrode plate through a separator, being capable of suppressing the reduction of the adhesion in the nonaqueous electrolytic solution, being capable of suppressing the deterioration of the nonaqueous electrolytic solution, and having such a cohesive strength that when the laminate is used in the form of a tape, a pressure-sensitive adhesive layer does not squeeze out of a base material layer. The laminate for a nonaqueous battery is formed of at least two layers, including: a base material layer (A); and a pressure-sensitive adhesive layer (B) in the stated order, in which: the base material layer (A) contains a polyolefin-based thermoplastic resin; and the pressure-sensitive adhesive layer (B) contains Alpha--olefin-based thermoplastic resin.

A structural body comprising a member that transmits light, a joint formed by the aforementioned member, and a solid object made of a hardening composition that is filled in the joint; wherein the hardening composition contains: (A) a (meth)acrylic acid ester polymer having in each molecule an average of 1.0 to 3.5 silicon-containing groups obtained by cross-linking by forming a siloxane bond, and having a number-average molecular weight of 8000 to 50,000; (B) a (meth)acrylic acid ester polymer having in each molecule an average of 0.5 to 1.5 silicon-containing groups obtained by forming a siloxane bond, and having a number-average molecular weight of 1000 to less than 8000; (D) a silanol condensation catalyst; (E) a silane coupling agent; and (F) an inorganic filler; the ratio between the sum of the weight (a) of component (A) and the weight (b) of component (B) in relation to the total weight (x) of the hardening composition excluding component (F) [(a+b) / x] being 60 to 99 weight%.

A resin composite copper foil that can be used with extremely small unevenness on the copper foil (roughened) surface without impairing the adhesive force with the resin composition of the copper-clad laminate. In more detail, the resin composite copper foil includes: copper foil and a polyimide resin layer. The polyimide resin layer contains a specific block copolymerized polyimide resin and an inorganic filler.

The present invention provides a pressure-sensitive adhesive tape or sheet for application to skin, which contains: a stretch fabric, and a pressure-sensitive adhesive layer provided on one surface of the stretch fabric, in which the pressure-sensitive adhesive layer contains: an acrylic copolymer obtained from a monomer mixture including an alkyl (meth)acrylate of from 40 to 80% by weight, an alkoxy (meth)acrylate of from 10 to 50% by weight and a (meth)acrylic acid of from 1 to 10% by weight; a long-chain fatty acid glycerin ester in an amount of from 20 to 100 parts by weight relative to 100 parts by weight of the acrylic copolymer, and a cross linking agent, the pressure-sensitive adhesive layer being crosslinked with the crosslinking agent; and also provides a process for producing the tape or sheet.

The invention belongs to the technical field of ceramic fiber materials and in particular relates to a high-temperature resistant ceramic fiber plate. The high-temperature resistant ceramic fiber plate is prepared from the following raw materials in parts by weight: 95-96 parts of alumina silicate fiber, 1-2 parts of dispersing agent and 3-4 parts of zirconium latex, wherein the dispersing agent is a mixture of Na2SiO3 and CaCO3 and the zirconium latex is a mixture of ZrO2, Y2O3 and H2O2. The invention also provides a preparation method of the high-temperature resistant ceramic fiber plate. The preparation method comprises the following steps: mixing and stirring the raw materials, carrying out wet vacuum molding, drying and processing to obtain a product, wherein the drying time is 110-120 DEG C and the time is 22-24 hours. The high-temperature resistant ceramic fiber plate prepared by the preparation method can bear the high temperature being above 1100 DEG C and does not lose cohesive force.

A rubber member is provided which includes an aluminum-based inner metal tube (2) (aluminum-based metal component), a film (A) chemically formed on an outer peripheral surface of the inner metal tube (2), an adhesive layer (C) provided on an outer surface of the film (A), and a vibration damping rubber (1) provided on an outer surface of the adhesive layer (C). The film (A) contains manganese oxide and zirconium oxide. In the film (A), manganese from the manganese oxide is present in a content of 10 to 30 mg / m 2 on a manganese atom weight basis, and zirconium from the zirconium oxide is present in a content of 5 to 40 mg / m 2 on a zirconium atom weight basis. The film (A) is free from deterioration in, adhesion to the aluminum-base metal component which may otherwise occur due to heat applied for vulcanization of a rubber material, and is excellent in followability to deformation of the aluminum-based metal component. Further, it is easy to visually check the presence of the film (A) on the surface of the aluminum-based metal component.

The invention relates to the technical field of food processing equipment, and particularly relates to a processing and production method of dough sheets. The processing and production method comprises the following steps of step 1, a loading working procedure: conveying dough sheets by a first conveying mechanism in the conveying direction; step 2, a powder blowing working procedure: performing powder blowing on the bottoms of the dough sheets by a powder blowing device under a second conveying mechanism; step 3, a shaping working procedure: conveying the dough sheets to a first base by the second conveying mechanism; step 4, a material stripping working procedure: driving a first shaping piece and a second shaping piece to move downwards by a driving piece, so that the shaped dough sheets are separated from the first shaping piece and the second shaping piece; and step 5, a discharging working procedure: cutting off the shaped dough sheets by a second cutter to obtain a butterfly shape. According to the processing and production method disclosed by the invention, the first shaping piece and the second shaping piece are matched, so that the dough sheets are pressed until side edges are in M shapes, besides, through mutual movement of shaping rods, the dough sheets at a first notch and a second notch are mutually adhered, and then the dough sheets on a discharging mechanism arecut and discharged.

The invention relates to a hydrophilic gel system for cosmetic and / or skin care applications. Said gel system comprises a detachable carrier film and a hydrogel which contains at least 15 percent by weight of karaya gum and whose water concentration is less than 5 percent by weight.

The invention provides a preparation method of a peelable type organosilicon pressure-sensitive adhesive. The preparation method comprises the following steps: firstly, synthesizing MQ resin by adopting a water glass method; secondly, synthesizing carboxyl-terminated silicone rubber by adopting a direct equilibrium copolymerization method; and finally, mixing the MQ resin, the carboxyl-terminated silicone rubber and an organic solvent in a certain proportion and stirring evenly, adding a certain amount of catalyst, a filling material, a curing agent and a stabilizing agent and stirring evenly, heating for reflux reaction for a certain time, and cooling and vacuumizing to remove the solvent as much as possible, so as to obtain the peelable type organosilicon pressure-sensitive adhesive. The method better solves the difficult problems of high coating fragility, bad peelability, poor durability and weatherability, higher cost and the like of the conventional peelable type organosilicon pressure-sensitive adhesive product. The peelable type organosilicon pressure-sensitive adhesive has excellent storage stability, film forming property, water resistance and peelability, leaves no mark after being peeled off a base material and can be reused without losing adhesiveness.

The invention discloses high-adhesiveness conducting self-healing hydrogel as well as a preparation method and application thereof. A gamma ray or electron beam initiation polymerization method is used; cationic monomers shown as a formula I and polymerizable hydrophilic anion monomers are polymerized in an inorganic filler aqueous dispersion dissolved with polysaccharides; the physical crosslinking self-healing hydrogel is obtained. The self-healing hydrogel has the excellent characteristics of high response and self healing capability; the repeated use can be realized; high ionic conductivity, good biocompatibility and high adhesiveness are realized; the adhesive force on a conducting copper sheet can reach 60.5MPa. The gamma ray or electron beam irradiation method is used, so that the preparation method is simpler; safety and environment protection are realized; the energy consumption is low; the preparation method is very suitable for industrial production. The high-adhesiveness conducting self-healing hydrogel related by the invention is hopeful to be used in the fields of electronic device bonding agents, medical device bonding agents, tissue repair and the like.

The invention discloses an inulin-containing wet-mixed mortar admixture and application thereof, and relates to wet-mixed mortar admixtures. The admixture comprises a retarder, wherein the retarder comprises inulin. It is shown through experimental results that the inulin-added wet-mixed mortar has an operation time of up to 37 hours, needs of the wet-mixed mortar for long-term storage at a construction site are met, and the early strength is not reduced; and prepared mortar is loose and soft, and has good water retention properties, and the water retention rate can reach 98.4%.

The invention discloses a negative-pressure jointing bobbin comprising a bobbin body. A plurality of negative-pressure holes are uniformly formed in an annular jointing area of the bobbin body. A negative-pressure cavity is formed inside the bobbin body in correspondence to the annular jointing area and is communicated with the negative-pressure holes. Air in the negative-pressure cavity is sucked to form negative pressure. A negative-pressure adsorption area is formed in the annular jointing area. Yarns are adsorbed in the annular jointing area under negative pressure. Negative pressure is formed in the negative-pressure cavity by a suction fan, and the negative-pressure holes in the wall of the bobbin body are used for adsorbing the yarns so as to facilitate automatic doffing jointing, so that the automatic doffing jointing rate is up to 100%, labor intensity is reduced, no yarns are left, and utilization rate of roving yarns is greatly increased.