Water-scraped without set-off intaglio ink

The invention provides an improved water-washing non-smearing curved gravure ink and a preparation method thereof. The components of the improved water-washing non-smearing curved gravure ink are as follows: 20 to 70 percent of linking marerials, 8 to 50 percent of dye, 1 to 8 percent of solvent, 2 to 28 percent of nanometer padding, 0 to 3 percent of driers, 2 to 12 percent of wax, 1 to 7 percent of surface active agents, 0 to 8 percent of directional agents as well as 0 to 5 percent of adhesion promoter; wherein, the acid value of linking marerials is 10 to 30mgKOH/g and the viscosity is 4 to 16Pa.S/40DEG C. The aspects of the printability, the color characteristics of a printed product and the stability of the ink of the water-washing non-smearing curved gravure ink obtained by the invention by using a low-acid value linking material composite and the corresponding padding and addition agents are effectively improved, the anti-fake level of the printed product can be improved in particular ...

Full-ring steel tunnel segment structure with seal protection door

The invention discloses a loopful steel duct piece structure with a seal guard door, which is provided with a loopful steel duct piece frame, and is characterized in that the loopful steel duct piece frame is formed by assembling a main body frame and a detachable frame; the loopful steel duct piece structure is provided with a guard door which is positioned in the loopful steel duct piece frame and fixedly installed on the main body frame, and the installation position is corresponding to the position of the detachable frame; and an enclosed chamber is formed in an area enclosed by the guarddoor and the detachable frame. The loopful steel duct piece structure of the invention can effectively prevent mud and burst water from flowing into shield tunnels when construction accidents such ascave-in collapse, water burst, and the like occur during the process of excavating communication channels, thereby greatly enhancing the construction safety.

Ventilation proportion valve for respirator

Water-scraped without set-off intaglio ink

The invention provides an improved water-washing non-smearing curved gravure ink and a preparation method thereof. The components of the improved water-washing non-smearing curved gravure ink are as follows: 20 to 70 percent of linking marerials, 8 to 50 percent of dye, 1 to 8 percent of solvent, 2 to 28 percent of nanometer padding, 0 to 3 percent of driers, 2 to 12 percent of wax, 1 to 7 percent of surface active agents, 0 to 8 percent of directional agents as well as 0 to 5 percent of adhesion promoter; wherein, the acid value of linking marerials is 10 to 30mgKOH/g and the viscosity is 4 to 16Pa.S/40DEG C. The aspects of the printability, the color characteristics of a printed product and the stability of the ink of the water-washing non-smearing curved gravure ink obtained by the invention by using a low-acid value linking material composite and the corresponding padding and addition agents are effectively improved, the anti-fake level of the printed product can be improved in particular ...

Collagen protein micro-pill and preparation method thereof

The invention provides a collagen pellet preparation, which is prepared from a collagen and a pharmaceutic adjuvant. The collagen pellet preparation is characterized in that the pharmaceutic adjuvant is an excipient and an adhesive; the weight percentage of the collagen in the pellet preparation is between 10 and 90 percent; the weight percentage of the excipient is between 20 and 80 percent; and the weight percentage of the adhesive is between 1 and 5 percent. The pellet preparation of the invention has the advantages of high dissolution rate, high bioavailability, simple and convenient preparation method, and easy operation.

Comb retainer for Sendzimir bearing

The invention belongs to the technical field of bearings, in particular to a comb retainer for a Sendzimir bearing. The retainer is in a retainer pocket structure shape of a double-segment type comprising an arc and a line and is in the combined type of a part of arc shape and a part of line shape instead of the shape of simple arc pockets, and the depths of the pockets adopt an alternate arrangement mode that one is deep and another is shallow. The invention has the advantages that (1) the common single arc pocket structure of the retainer is changed into the combined type of an arc and a line so that a roll to be assembled can be mounted from the internal diameter of the retainer to avoid scratching a bearing roll and further ensure the accuracy and the service life of the bearing; and (2) the depths of the pockets adopt the alternate arrangement mode that one is deep and another is shallow so as to ensure the axial cascading of the retainer, more importantly improve the lubrication, ...

Novel pulley block bearing

The invention belongs to the technical field of bearings, and relates to a novel pulley block bearing. The novel pulley block bearing is matched with a gantry crane, an overhead crane, a portal crane or an automobile crane lifting device; the novel pulley block bearing consists of an outer ring, an inner ring, rollers, a sealing ring and a spring lock ring; the inner ring is divided into two parts which are connected and locked by the spring steel lock ring; and the sealing ring has a steel framework-free polyurethane contact sealing structure. The novel pulley block bearing has the advantage that: the polyurethane contact sealing structure ensures the sealing effect of the bearing under the severe environment so as to ensure the service life of the bearing. Because the unique spring steel lock ring for locking the inner ring is adopted, the integrity of the bearing is ensured, the axial movement of the double inner ring bearing is effectively controlled, the problems of bearing blockage ...

Ink vehicle composition for water-scraped without set-off intaglio

The invention provides a composite of linking materials, which is suitable for a water-washing non-smearing curved gravure ink. The composite consists of the following three components: component A: isocyanate-modified alkyd with a weigh percentage of 10 to 70 percent; component B: m-phenylene alkyd and/or modified m-phenylene alkyd with a weight percentage of 5 to 40 percent; component C: at least one phenolic resin oil modified by seed fat with a weight percentage of 10 to 70 percent; besides, the acid value of the composite of the linking materials is 10 to 30mgKOH/g and the viscosity is 4 to 16Pa.S/40DEG C. The invention also provides a water-washing non-smearing curved gravure ink which mainly adopts the linking materials which improve the storage stability and the printing property of the ink, obviously improves the color saturation and lustrousness of a printed product and is beneficial to improving the anti-fake effect of the printed product.

Anti-counterfeiting ink containing electrophoresis microcapsule, and print product manufactured thereby

The invention provides an anti-counterfeiting ink containing electrophoresis microcapsule, and the ink contains 10-90% of electrophoresis microcapsule based on the total weight of the ink. The anti-counterfeiting ink is screen printing ink, gravure ink, litho printing ink, letterpress printing or the like. The anti-counterfeiting ink is used for printing characteristic information on articles which need anti-counterfeiting authentication; after electric field is applied, color change effect is generated on the impress of the anti-counterfeiting ink and can be maintained for a period of time; after reversed electric field is applied, the color of the impress is recovered immediately; after the reversed electric field is continuously applied for a period of time, the color of the impress is changed again and is different from the initial color. By utilizing the change of the specific color, the anti-counterfeiting ink can be used for identifying the authenticity of a print product; and the ...

Culture method for rapid high yield of red jujubes in arid region

The invention discloses a culture method for the rapid high yield of red jujubes in an arid region, belonging to the technical field of jujube tree culture. The characteristics of sour jujube seeds of resisting saline, alkaline and drought are utilized under an arid unwatered culture condition for the bunch planting of the sour jujube seeds by laying a drip irrigation tape through mechanical film covering to sow the sour jujube seeds in a culture mode of 2-4*0.4-1m so as to realize a seedling amount of the sour jujubes to be 410-830 and a seedling rate of 98 percent in first year, a water-saving rate per acre of 280-550<3>/acre and a yield of 100-500 kg/666.7 m<2> in second year by an engraft gardening technology aided by a pressured drip-irrigation water-saving technology, and a yield of 400-1000 kg/666.7 m<2> in a third year. The invention solves the problems of low survival rate, water-wasting culture, and the like of the jujube tree culture in the arid region and realizes the aim of ...

一种长纤维颗粒或草块的制备方法

A process for preparing the macrofibrous particles or grass blocks used as feed of animals includes such steps as quantitatively breaking, air delivering, lifting material, adding water by induction, mixing, forced feeding, granulating or making block, drying in air, cyclone separating, collecting dust, cooling, screening and drying. Its advantages are high productivity and quality, long fibres, and high nutritive value.

Application of albi multisulfoxide and its salt in preparing medicine for preventing and treating respiratory tract virus infestation

An application of Albiduoya sulfoxide and its biocompatible salts in preparing the medicines for preventing and treating the virus infection of respiratory tract, such as viral influenza, is disclosed.

Full-ring steel tunnel segment structure with seal protection door

The invention discloses a loopful steel duct piece structure with a seal guard door, which is provided with a loopful steel duct piece frame, and is characterized in that the loopful steel duct piece frame is formed by assembling a main body frame and a detachable frame; the loopful steel duct piece structure is provided with a guard door which is positioned in the loopful steel duct piece frame and fixedly installed on the main body frame, and the installation position is corresponding to the position of the detachable frame; and an enclosed chamber is formed in an area enclosed by the guard door and the detachable frame. The loopful steel duct piece structure of the invention can effectively prevent mud and burst water from flowing into shield tunnels when construction accidents such as cave-in collapse, water burst, and the like occur during the process of excavating communication channels, thereby greatly enhancing the construction safety.

Efficient desulfurizing agent for gas

An efficient desulfurizing agent for gas is an ordinary-temp. TH iron used to prepare dry filler desulfurizer, and is prepared from hematite, lignite and limestone through proportioning, and reducingin a rotary kiln at particular temp. and in reducing atmosphere. Its advantages are high desulfurizing effect, high sulfur capacity, and long service life.

Integral sealed double-row tapered roller bearing

The invention discloses an integral sealed double-row tapered roller bearing, and belongs to the technical field of rolling mill roller bearings. The integral sealed double-row tapered roller bearing comprises two outer rings (2), an inner ring (6), a space ring (4), two retainers (3) and a plurality of rollers (5), wherein the plurality of rollers (5) are positioned between the outer rings (2) and the inner ring (6); the rollers (5) are separated uniformly by the retainers (3); and the space ring is arranged between the two outer rings (2). The integral sealed double-row tapered roller bearing is characterized by also comprising a seal assembly (1) which is fixed on the outer rings; the interior of the seal assembly (1) is provided with a steel frame structure, and the exterior of the seal assembly (1) is coated with fluorous rubber, and the lip part, which is in contact seal with the inner ring (6), of the fluorous rubber is provided with a fastening spring. According to the invention ...