367results about How to "Easy to curl" patented technology

A film bonded to a polarizer of a polarizing plate, has a surface A and a surface B opposite to the surface A; and a thickness of 10 μm to 70 μm; wherein a refractive index difference between the surface A and the surface B is 5×10⁻⁴ to 5×10⁻³.

The purpose of the present invention is to provide a gas barrier film having extremely excellent gas barrier property while retaining the film thickness at a predetermined thickness. A gas barrier film having a silicon oxide film formed by the plasma CVD method on the one side or both sides of a base material is provided, the silicon oxide film is characterized in that the film is comprised of the rate of components that the number of oxygen atoms is from 170 to 200 and the number of Carbon atoms is 30 or less to the number of Si atoms of 100, and that further the film has a peak position of IR absorption band based on the stretching vibration of Si—O—Si that exist between 1055 and 1065 cm⁻¹.

A long, well tool which effectively performs as an integral part of a typical coiled tubing string and accordingly can be ran continuously into a pressurized wellbore with the same deployment equipment as used with known coiled tubing. The tool is comprised of a plurality of elements (e.g. perforating charges or logging sensors such as hydrophones, geophones, gamma ray sensors, gravity sensors, etc.) fixed at spaced, known distances from each other within a flexible housing, e.g. a length of coiled tubing.

The invention discloses a timber softening fluid which is prepared from the following raw materials in parts by weight: 35 to 45 parts of semi-refined paraffin wax No.58, 15 to 25 parts of a softening agent containing multiple chemical components, 5 to 7 parts of boric acid and 35 to 45 parts of water.

An ink composition includes at least a pigment, a polyhydric alcohol monoalkyl ether having a vapor pressure of 0.1 mmHg or less at 20° C. and/or a nitrogen-containing cyclic compound, a polyhydric alcohol, an unsaturated fatty acid, an alkyl alcohol having 1 to 4 carbon atoms, a surfactant, and 10% to 60% by mass of water. An in jet recording method uses the ink composition, and a recorded matter is produced by the ink jet recording method.

The present invention discloses an assembly method for assembling plate-type membrane electrode assembly layer and the structure thereof; wherein, the assembly method includes the following steps: providing at least one membrane electrode assembly (MEA); providing a frame, in which the frame is provided with at least one first hole, and the opening area of the first hole is slightly smaller than the area of the MEA; providing a bonding sheet, in which the bonding sheet is provided with at least one second hole, and the opening area of the second hole is slightly smaller than the area of the MEA, and each second hole is corresponding to each first hole respectively; placing these MEAs into these first holes on the frame, and covering these MEAs with the bonding sheet; and, pressing the pressing areas on the bonding sheet surrounding these second holes, so the bonding sheet, these MEAs, and the frame stacked sequentially could be joined as a plate-type MEA layer, in which these pressing areas are corresponding to the outer periphery surrounding these MEAs.

The invention discloses a method for preparing reconstituted cut tobacco sheets. The method comprises the following steps that a, tobacco waste and binding agent powder are evenly mixed according to the mass ratio of 100-5:1, and a tobacco powder mixture is obtained; b, humectant is sprayed into the tobacco powder mixture after being dissolved into water according to the mass ratio of the tobacco waste to the humectant of 100:10-1, and even stirring is carried out to form a semihumid powder mixture; c, the semihumid powder mixture is added to a single-screw extruding machine or a double-screw extruding machine, and extrusion molding is carried out through a flat hole in an open die to obtain long and thin strip-shaped cut sheets; d, the long and thin strip-shaped cut sheets are cut off and dried, and the needed reconstituted cut tobacco sheets are obtained; The method for preparing the reconstituted cut tobacco sheets is simple, the requirement for equipment and places is low, and no additional production pollution is generated; meanwhile, the cut sheets have certain crimpness and good filling performance, and the tar content of cigarettes prepared from the cut sheets is lower.

A monomode optical fiber with suitable mode-field diameters, whcih is not sensitive to bending, is available for double windows of 1310nm and 1550nm wavelengths. It consists of three sub-layered cores and three sub-claddings with different refraction index profiles. The third layer of the sub-claddings is of pure silicon dioxide glass. It is suitable for distribution in rooms.

The invention belongs to the technical field of printing and particularly relates to a continuous adjustment screen printing process of water-based gloss oil. The continuous adjustment screen printing process comprises the following steps of: 1) manufacture of continuous adjustment image files; 2) manufacture of films; 3) cleaning of the films; 4) stretching of a screen; 5) gluing; 6) positioning of the films; 7) exposure; 8) development; 9) drying; and 10) screen printing. The continuous adjustment screen printing process has the advantages that 1) the wear resistance is strong, the scratching is resisted, the screen-printed surface is wear-resistant, water-repellent and oil-repellent, and no color-fading phenomenon occurs on the surface of a printed product; 2) the film forming speed is fast, and the drying is rapid; 3) the high temperature resistance and the hot-sealing performance are good; 4) the degree of planeness is good, and the winding force resistance is strong; 5) the used water-based gloss oil has better leveling property, can realize fast leveling before a coating layer is dried to form a smooth surface, so that the coating layer can have high glossiness; and 6) the water-based gloss oil adopts water as a solvent without toxicity and smell. Compared with the water-based gloss oil used for local glossing, the continuous adjustment screen printing has the advantage that the image layering can be reproduced.

An object of the invention is to provide a transparent conductive film having good processability and to provide a method for production thereof. The pressure-sensitive adhesive layer-carrying transparent conductive film of the invention comprises: an amorphous transparent conductive laminate comprising a transparent plastic film substrate and an amorphous transparent conductive thin film provided on one side of the transparent plastic film substrate; a pressure-sensitive adhesive layer; and a release film that is provided on another side of the transparent plastic film substrate with the pressure-sensitive adhesive layer interposed therebetween and comprises at least a film substrate, wherein the release film is thicker than the amorphous transparent conductive laminate, and a value obtained by subtracting the thermal shrinkage percentage of the release film in the MD direction from the thermal shrinkage percentage of the amorphous transparent conductive laminate in the MD direction is from −0.3% to 0.45%.

The invention relates to a graphene polylactic acid bicomponent composite fiber and a preparation method and equipment thereof, and belongs to the technical field of melt-spinning fibers. The preparation method comprises the following steps: respectively drying and mixing 60-75wt% of polylactic acid slices and 25-40wt% of graphene master batches to obtain a component A; drying the polylactic acidslices as a component B; respectively melting and extruding the component A and the component B, and then spinning together. The bicomponent composite fiber prepared by the graphene polylactic acid bicomponent composite fiber and preparation method and equipment thereof has obvious crimping effect, excellent elasticity and fluffiness, and good effects of strength, wear resistance, heat preservation, bacteriostasis and conduction.

A plurality of ribs are provided on a cut paper discharge guide and an upper cover which define a discharge port for discharging a cut paper. The ribs hold a cut paper in width direction. Even if a cut paper having a high degree of curl is supplied when a roll diameter of a roll paper is reduced, it is possible to prevent a paper jam such as falling or clogging of the cut paper. It is desirable that the ribs provided on the cut paper discharge guide and the upper cover are disposed in an alternate pattern along the width direction of the discharge port. This arrangement is particularly effective in a printer having an inclined paper passage.

The invention adopts hollow polyester fiber, polyester short fiber and ES fiber according to mixture ratio of 1-4:1-4:2-8, including the steps of loosening-> quantitative feeding-> hot melting->cold roll forming->hot rolling->air cooling->trim cutting. The fiber of the invention is conglutinated after hot melting treatment; therefore, fiber pad has good toughness and uniform density and stable structure; the produced filtering material has large pore space, good loading capacity which is difficult to be deformed with small resistance and large dust holding performance and good filtering effect.

The invention relates to a poplar ultrasonic chemical mechanical pulping technique. The pulping technique includes the steps: performing ultrasonic pretreatment on steamed poplar pulp after first stage impressafining; performing xylanase pretreatment on the pulp after the ultrasonic pretreatment; soaking the pulp in soda hydrogen dioxide solution after pretreatment; performing second stage impressafining after soaking; performing second stage soaking on the pulp in the soda hydrogen dioxide solution after the second stage impressafining; performing first stage refining on the pulp with the soaking liquid; performing high concentrated storage and bleaching after the first stage refining; and performing second stage refining to obtain high-brightness high-yield high-strength chemical mechanical pulp. The poplar ultrasonic chemical mechanical pulping technique can improve the mechanical pulping performance of fast-growing poplar, enlarge the application range of poplar high-yield pulp, improve the performance of poplar paper pulp, and improve the use value of the poplar.

A two-way warp knitted fabric of warp knit structure prepared by cross-knitting a polytrimethylene terephthalate fiber as a front yarn and an elastomer fiber as a back yarn, which has a knitted fabric density ratio represented by the following formula (I): knitted fabric density ratio = number of course/2.54 cm / number of wale/2.54 cm of 1.55 to 2.35. This knitted fabric is a stretchable ground material of knitted fabric for clothes which is suppressed in curl, has a soft feeling and suffers no yellowing.

The invention relates to a method for preparing tows for blended modified polylactic acid cigarettes. Fiber grade polypropylene particles, functional master batches and polylactic acid particles are uniformly mixed according to a certain ratio, and the tows for polylactic acid cigarettes are prepared through the working procedures of spinning, oiling, drafting, wrapping and drying. The method has a simple process and high speed to form, the produced product can reduce the specific weight of polylactic acid fiber, the operational performance is increased, the surface area of the fiber is increased, grain phase particles in smoke can be effectively absorbed, and a good filtering effect is generated.

A cardiac stent-valve (1), preferably a mitral stent-valve, comprising a stent component (2) and a valve component (3), wherein the stent component (2) comprises an inflow end (4) and an outflow end (5) and a wall between the inflow (4) and the outflow end (5), and wherein the valve component (3) is made of one single leaflet (6); the periphery of said single leaflet (6) being partially attached or attachable to the stent component (2) along at least fixation lines (7', 7''), characterized in that said two fixation lines (7') are at least partially inclined with respect to an annular plane of said valve perpendicular to a flow direction (A) through the stent-valve (1) and wherein the third fixation line (7'') runs parallel with respect to said plane.

The invention provides a production method of washable piece-dyed knitted fabric. The production method comprises steps as follows: undyed yarn is knitted into gray fabric, the gray fabric is sequentially subjected to boiling-off, enzyme wash, dyeing, scotching, drying, liquid ammonia mercerization, neutralization, softening, scotching, drying, setting and preshinking, and the washable piece-dyed knitted fabric is obtained. The production method adopts steps of boiling-off, enzyme wash, dyeing and liquid ammonia mercerization sequentially, the liquid ammonia mercerization effect and the liquid ammonia recycling are facilitated, and resin treatment is combined, so that an obtained knitted product has better dimensional stability, and more durable hand feeling and color are kept; and the fabric has high flatness, touches comfortable and is soft, elastic and better in strength. By means of the production method, various properties of the knitted product are improved, the additional value and the technological content of the knitted product are increased, and recyclable liquid ammonia used for treatment is environment-friendly.

A polytrimethylene terephthalate fiber, a method for producing the same, a cheese-shaped package formed thereof, a false-twist textured yarn using the fiber and a fabric using the false-twist textured yarn are provided. The fiber is composed of 90 mol% or more of trimethylene terephthalate repeating units having a density in a range from 1.320 to 1.340 g/cm<3>, a birefringence in a range from 0.030 to 0.070, a peak value of thermal stress in a range from 0.01 to 0.12 cN/dtex, a boiling water shrinkage in a range from 3 to 40%, and an elongation at break in a range from 40 to 140%. The inventive polytrimethylene terephthalate fiber has both of proper crystallinity and orientation and is free from the package tightness due to yarn shrinkage and the bulge. The inventive fiber can be produced on an industrial scale.

The invention provides a degradable pencil holder and a pencil adopting the same, wherein the pencil holder comprises the following components by the weight percent: 40-60 of polyhydroxy fatty acid ester, 30-50 of starch, 1-10 of cross linker and 1-10 of plasticizing agent. The invention also provides a fabricating method of the pencil, which comprises the steps of mixing raw materials, heating, lead penetrating and forming. The degradable pencil holder is environmental-friendly without toxicity, and can replace a wooden pencil holder so that wood consumption can be reduced; the pencil is easy to sharpen so as to reduce the lead-breaking; and the fabricating method of the pencil has simple process, convenient fabrication, low cost and no pollution.

A method for manufacturing a carrier tape is disclosed. With the method, a carrier tape which can store more electronic components and is excellent in operability in the installation process is manufactured. A non-storage part (18A) which does not store electronic components (P) is arranged at the position of an end part (11A) of a carrier tape (11). At the non-storage part (18A), a film non-adhesive part (28A) is formed on a tape main body (16). The tape main body (16) and a cover film (17) are cut off at the film non-adhesive part (28A). As the electronic components (P) can be stored on the carrier tape (11) without cutting off the tape main body (16), the number of stored electronic components (P) is increased. In addition, by forming a rolling part (17A), the cover film (17) can be easily peeled off.