1687 results about "Silicone tape" patented technology

A fibreboard, insulating, wall panel includes an integral air and vapor barrier of metal foil or metallized plastic film adhered to one surface of the panel. Panels are attached to a stud wall frame. Abutting panel joints are taped to provide a continuance vapor barrier. Increased thermal and acoustic insulation as well as structural integrity of the barrier is provided by the panel.

A flame retardant, intumescent pressure sensitive adhesive (PSA) composition for EMI shielding gaskets, tapes, wraps, and the like. The composition is formulated as an admixture of: (a) a PSA component; (b) a halogenated first flame retardant component; (c) a metal-based second flame retardant component; and (d) a filler component of expandable, intercalated graphite particles. In a representative embodiment the PSA component (a) is acrylic-based, the halogenated first flame retardant component (b) is a polybrominated diphenyl compound such as decabromodiphenyl oxide or decabromodiphenyl ether, the metal oxide-based second flame retardant component (c) is antimony oxide, antimony trioxide, or antimony pentoxide, and the filler component (d) is graphite flake.

A hot melt adhesive composition, comprising a blend of components including about 10% to about 40% by weight of an elastomeric block copolymer, preferably styrene-isoprene-styrene (SIS) or styrene-butadiene-styrene (SBS), about 15% to about 70% by weight of a first midblock tackifying resin having a softening point of at least about 110° C. and having an aromatic content of at least about 1.5% by weight; about 0 to 55% of second midblock tackifying resin, about 5% to about 35% by weight of a plasticizer; and about 0% to about 20% by weight of an end block resin having a softening point lower than 125° C.; wherein the components total 100% by weight of the composition, the viscosity of the composition is equal to or less than about 20,000 mPa.s at 120° C., and is applied at a temperature lower that 150° C. and initial bond retention of the composition on elastic strands is at least about 60%. Also, the elastic modulus G′ of the composition is higher than about 5000 Pa, the vicous modules G″ is higher than about 50 Pa, and the tan delta value is between about 0.5 and about 60. Laminates, especially those used in disposable soft goods, and methods of making such laminates are also described. The adhesive composition and/or laminate may be used in making a variety of end products such as a disposable diaper, a sanitary napkin, a bed pad, a bandage, a surgical drape, a tape, a label, a plastic sheet, a nonwoven sheet, a paper sheet, a cardboard, a book, a filter, or a package.

The invention discloses a heat-dissipating double-sided adhesive tape with an ultrahigh heat conductivity coefficient. Ethylene glycol or triethylamine is added into a polyamic acid solution, the resulting mixture is put in an oven in a vacuum environment and maintained at 100 DEG C for 0.9-1.1 hours, the temperature is raised to 300 DEG C and maintained for 0.9-1.1 hours, followed by natural cooling, to produce a polyimide film; the polyimide film is heated up to 250 DEG C from room temperature and then heated up to 500 DEG C, and further heated up to 1200 DEG C at a rate of 9-11 DEG C/min, to produce a prefired carbonized film; the prefired carbonized film obtained in the step 4 is rolled by a calendar; the rolled product is heated up to 2400 DEG C at a rate of 19-21 DEG C/min and maintained for 0.9-1.1 hours and then heated up to 2900 DEG C at a rate of 19-21 DEG C/min and maintained for 1.8-2.2 hours, followed by cooling, to produce a fired graphite film; and subsequently the graphite film is rolled to obtain a graphite coating. The heat transfer performance of the double-sided adhesive tape in both the vertical and the horizontal directions are improved, so as to prevent local overheat of the adhesive tape and ensure uniformity of heat transfer performance of the adhesive tape.

A double-sided self-adhesive reinforced foam tape comprising a release liner having upper and lower surfaces which are release surfaces, a first layer of pressure sensitive adhesive applied to the upper release surface, a layer of flexible polymeric film, preferably polyester film, applied to the first pressure sensitive adhesive layer, a layer of flexible foam, preferably closed cell PVC flexible foam, thermally bonded to the flexible polymeric film layer, and a second layer of pressure sensitive adhesive applied to the flexible foam layer. A length of material for use as a double-sided tape is provided, along with a method of making the length of material. An alternative embodiment, suitable for die-cutting, including a second release liner applied to the second pressure sensitive adhesive layer is provided. The tape may be used in automobiles and other applications.

Electronic packaging films, tapes, bags and pouches having excellent optical properties and heat sealability, low hexane extractables and a good balance of physical properties may be prepared from linear low density polyethylene having a melt flow ratio (I₂₁/I₂) from about 23 to about 32, prepared in a tandem dual reactor solution phase polymerization in the presence of a phosphinimine catalyst and a co-catalyst system which comprises an aluminum based co-catalyst, an ionic activator or a mixture thereof.

The invention relates to a nonwoven gown made of a gown body terminating in two edges at a back of the gown. The gown contains a closure member that extends around the gown body and terminates at each edge. Manipulation of the closure member moves at least one of the edges toward the other thereby closing the back of the gown. A fastener located along at least a portion of at least one of the edges may be provided. Some suitable fasteners include tape, hook and loop type fasteners, and/or snaps. Such a gown enables a wearer to close and secure the gown by himself while keeping his hands sterile.

An inkjet printer, comprises a conveying section to holding and conveying a recoding material, and an ink jet print head to jet an ink for the recoding material; wherein the conveyance section has and endless conveying member including an endless base member whose outer peripheral surface is covered with fluororesin and a sticky layer formed by a sticking tape transferred onto the outer peripheral surface of the endless base member, the sticking tape has not a substrate and the sticky layer contains a silicone polymer.

The present invention relates to a pressure-sensitive adhesive tape or sheet for dicing which is to be applied to an active surface in the state of being not wholly covered with a native oxide film. The adhesive tape or sheet includes a substrate, and a radiation-curable pressure-sensitive adhesive layer disposed on at least one side of the substrate, in which the pressure-sensitive adhesive layer contains an acrylic polymer (A) having a weight-average molecular weight of 500,000 or higher and at least one radiation-polymerizable compound (B) selected from cyanurate compounds having one or more groups containing a carbon-carbon double bond and isocyanurate compounds having one or more groups containing a carbon-carbon double bond, and the ratio of the radiation-polymerizable compound (B) with respect to 100 parts by weight of the acrylic polymer (A) is 5 to 150 parts by weight.

The invention belongs to the field of adhesive tapes and particularly relates to a removable hot-melt pressure-sensitive adhesive tape for temporary fixation. The removable hot-melt pressure-sensitive adhesive tape for the temporary fixation comprises a base material and a hot-melt pressure-sensitive adhesive which is hot-molten and coated on the base material, and is characterized in that the hot-melt pressure-sensitive adhesive consists of the following components in percentage by mass: 40 to 60 percent of thermoplastic rubber, 20 to 40 percent of tackifying resin, 2 to 16 percent of plasticizers and 0.1 to 4 percent of antioxidant and other aids. The tackifying resin is added when the hot-melt pressure-sensitive adhesive tape is prepared, so that the adhesion is improved, and the viscosity of the system is reduced to ensure that the coating is convenient; a plurality of kinds of plasticizers are added, so that soft segment phases (B, I, EB and EP) and a hard segment phase (PS) in elastomer rubber are softened and plasticized, and the affine application property of an adhesive tape product is improved; by using the antioxidant, an adhesive is prevented from pyrolysing and deteriorating in the heating process, so that the adhesion of an adhesive product is stable, the adhesive product can be peeled at high and low rates and can be repeatedly pasted, and the trace of adhesive residue is avoided; and a heating and molten coating process is adopted, so that the release of a volatile organic solvent and the high-temperature energy consumption of an end-of-life process are avoided, and the cost of materials is reduced.

A roman shade includes a panel, a plurality of clips attached to the panel, the clips forming elongated, narrow guides on the back side of the panel and a plurality of tapes. The panel is mounted on a headrail that also includes a rotating tube. Each tape is attached to the bottom of the panel at one end and to the tube at the other end and passes through the narrow guides to cause the panel to form successive folds or pleats as the bottom of the panel is raised by the tapes by the rotation of the tube.

The invention provides an adhesive tape for bonding a low-surface-energy material. The adhesive tape consists of the following components in percentage by mass: (1) 30-50 percent of an acrylic ester monomer, (2) 50-70 percent of ethyl acetate or toluene serving as a solvent, (3) 0.2-1.5 percent of a crosslinking agent and (4) 0.1-0.6 percent of azobisisobutyronitrile or benzoyl peroxide serving as an initiator, wherein the acrylic ester monomer consists of 60-90 percent of soft monomer, 5-35 percent of hard monomer, 1-5 percent of crosslinking monomer and 2-10 percent of fluorine-containing acrylic ester. A preparation method of the adhesive tape comprises the following steps of: preparing an acrylic ester polymer solution, adding the acrylic ester monomer, the solvent and the initiator into a three-neck flask provided with a reflux unit, introducing nitrogen gas, stirring for half an hour, exhausting oxygen, putting into a water bath boiler, and reacting at the temperature of 60-80 DEG C under the protection of nitrogen gas for 6 hours; and coating the adhesive tape: mixing an obtained acrylic ester polymer solution with a crosslinking agent, standing, defoaming, coating onto a releasing film with a bar, drying at the temperature of 110 DEG C for three minutes, compounding with a PET (Polyethylene Terephthalate) film which is 30 mum in thickness and is subjected to corona surface treatment, and standing at the normal temperature for seven days.

A silicone-based pressure-sensitive adhesive composition comprising (A) a condensation-reaction product obtained by subjecting a diorganopolysiloxane having silanol groups on both molecular terminals and 2 or more silicon-bonded alkenyl groups located in side molecular chains in one molecule (a) and organopolysiloxane resin having one or more hydrolyzable groups in one molecule (b) to a condensation reaction in the presence of catalyst (c), (B) an organohydrogenpolysiloxane, (C) a diorganopolysiloxane having silicon-bonded alkenyl groups on both molecular terminals, (D) an organopolysiloxane resin and (E) a platinum catalyst.

A semiconductor assembly comprises a semiconductor wafer, an adhesive coating disposed on the back side of the wafer, and a bare dicing tape, preferably UV radiation transparent. The assembly is prepared by the method comprising (a) providing a semiconductor wafer, (b) disposing a wafer back side coating on the semiconductor wafer, (c) partially curing the wafer back side coating to the extent that it adheres to the back side of the wafer and remains tacky, and (d) contacting the bare dicing tape to the partially cured and tacky wafer back side coating, optionally with heat and pressure.

Provided is a double-sided pressure-sensitive adhesive tape for fixing a flexible printed circuit board superior in adhesive power after bonding under low pressure and also in repelling resistance after processing in high-temperature steps. The double sided pressure-sensitive adhesive tape for fixing a flexible printed circuit board according to the present invention has a 180° peel adhesion, as determined by bonding the adhesive tape onto a stainless steel plate under pressure by one reciprocation of a 10-g roller, leaving it still for 5 minutes and measuring it at a tensile speed of 300 mm/minute, of 6.5 N/20 mm or more and a terminal separation distance after reflow of 2.5 mm or less.

A dicing die bonding adhesive film for disposition between a semiconductor silicon wafer and a dicing support tape comprises a Layer-1 adhesive, which comes in contact with the dicing tape, and a Layer-2 adhesive, which comes in contact with the silicon semiconductor wafer, in which the adhesion of Layer 2 to the silicon wafer is higher than the adhesion of Layer 1 to the dicing tape by at least 0.1 N/cm.

The invention belongs to the technical field of an adhesive and adhesive tape for lithium ion batteries and discloses a polyacrylate solvent-type acid-base-resistant pressure-sensitive adhesive tape and a preparation method and application thereof. The preparation method comprises mixing a hard monomer, a soft monomer and a functional monomer, adding a chain transfer agent and a solvent into the mixture, adding an initiator to cause a reaction, adding a curing agent and color paste into the reaction product, and carrying out coating and drying to obtain the polyacrylate solvent-type acid-base-resistant pressure-sensitive adhesive. The mass ratio of the hard monomer, the soft monomer to the functional monomer is (80 to 95): (1 to 15): (2 to 5). The pressure-sensitive adhesive can resist acid and alkali corrosion and is particularly resistant to corrosion of weakly acidic lithium ion battery electrolytes. The pressure-sensitive adhesive and tape have excellent high-temperature and electrolyte resistance, can meet the performance requirements of large power lithium-ion battery tapes and have high cost performance.

A hand-grippable adhesive tape applicator is provided for building construction and other environments. Stabilization brace and pressure feedback features are included which provide improved tape application performance. Static dissipative shield components and slip-resistant nubs for the applicator frame are also provided.

The invention relates to polyacrylate. Polyacrylate is synthesized from raw materials in percentage by mass as follows: 10%-30% of a hard monomer, 15%-40% of a soft monomer, 1%-5% of a functional monomer, 0.5%-2% of a special monomer and 40%-50% of a solvent, wherein the hard monomer comprises one or more of methyl acrylate, methyl methacrylate, vinyl acetate, acrylonitrile and isobornyl methacrylate; the soft monomer comprises one or more of ethyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate and n-propyl acrylate; the functional monomer comprises one or more of hydroxyethyl acrylate, acrylic acid, methacrylic acid, hydroxypropyl acrylate and 2-hydroxyethyl methacrylate; the special monomer comprises one or more of methacrylamido ethyl ethylene urea, hydroxyethyl methacrylate phosphate and glycidyl methacrylate. A pressure-sensitive adhesive has good high-temperature-resistant adhesive property, does no squeeze out, has no residue, has low cost and can be applied to masking tapesused in capacitor taping in the electronics industry as well as certain high-temperature-resistant adhesive tapes.

The invention discloses a masking tape containing a printing layer and a preparation method thereof. The masking tape comprises a substrate, wherein one side of the substrate is provided with an adhesive layer, and the other side of the substrate is sequentially provided with a printing layer and a release layer; the substrate is masking tape base paper impregnated by a hydroxy butadiene-styrene emulsion; the printing layer is a water-based ink; the adhesive layer is a water-based acrylate pressure-sensitive adhesive; and the release layer is a water-based release agent. All the raw materials are water-based materials, and thus, the production technique is environment-friendly; and the product has the advantages of stable performance, long shelf life, low production cost and high added value.

The invention relates to a building section including a sub-structure and a cladding member connected in fixed relation relative to the sub-structure. A multi-function elongate, flexible insulating element is disposed between the sub-structure and the cladding member for damping energy transfer between the cladding member and the sub-structure, facilitating alignment of the cladding, and creating a rainscreen configured to drive out moisture from the wall cavities. In some implementations, the insulating element has at least one insulating layer which is substantially incompressible and which has a substantially constant density in the range of 200 kg/m3 to 300 kg/m3. In certain preferred implementations, the insulating element can be formed of a foam material such as foam tape or thermal break tape.

The invention discloses a production method of ultrathin buffer foam tape.The production method includes: preparing PET double-sided tape and ultrathin buffer foam layer base material, and tightly adhering one side of the PET double-sided tape to the ultrathin buffer foam layer; compositing an embossed release material layer on the other side of the PET double-sided tape.A production method of the ultrathin buffer foam layer specifically includes: cutting thick PE foam with high foaming ratio into foam sheets of 0.3-0.5mm, and performing hot-press forming on the foam sheets to obtain the ultrathin buffer foam layer; or performing hot-press forming on PU foam or melamine foam to obtain the ultrathin buffer foam layer, wherein the temperature of the hot-press forming is 180-220 DEG C, the pressure of the hot-press forming is 3-8kg/cm<2>, and the speed of the hot-press forming is 8-20m/minute.The ultrathin buffer foam tape produced by the hot-press process has functions of absorbing shock and sounds and automatically removing bubbles.

An adhesive tape (1) made of silicone is intended for medical applications. The tape (1) has a sheet material (12) based on nonwoven fibers, coated on an internal face (12a) intended to be in contact with the skin, with a barrier membrane (14) which adheres to the sheet material, based on crosslinked silicone polymer, and with a layer (16) of atraumatic and biocompatible silicone adhesive gel, and on an external face (12b), with a layer (18) of a nonstick and waterproof polymer based on a fluorosilicone or fluorocarbon polymer.

The present invention provides a tamper-evident multi-layered tape for use for closing boxes and similar items and packages. The tape of the present invention provides an indication which shows that the tape has been detached from the surface of the box which it is closing. The tamper-evident tape is a multi-layered tape comprising of a first and second film wherein the first surface of the first film is coated with an adhesive layer. Said first surface is the surface facing the box, package or item when applying the tape. Between the first and second film there is a failure layer comprising of layers of adhesive, primer and ink. The patterns of application of the primer, adhesive and ink creates the tamper indicating pattern. The second surface of the second film which is the outer surface of the tamper-evident tape is coated with a release layer.