99results about How to "Improve internal strength" patented technology

Insertable medical articles with a shape memory property having a body member formed of crosslinked hydrophilic polymers are described.

This invention is a floor covering which may be easily removed from its underlying surface and which resists buckling or folding when rolled, comprising: (a) a facing layer; (b) a release backing layer made of post-consumer recycled nonwoven polyester fabric of relatively short fibers, continuous filament fibers, or a mixture thereof and (c) an intermediate polymer layer which is bonded to the release backing layer on one side and directly or indirectly to the facing layer on the other side. A process for preparing a polyurethane foam cushioned floor covering is also disclosed.

A lighted bollard system that has significantly enhanced internal structural strength while providing for the replacement of the outer bollard cover and allows users to select from a plurality of different lighting fixtures suited for different applications.

A negative electrode for a lithium secondary battery obtained by sintering an active material layer on a current collector under a non-oxidizing atmosphere after the active material layer including primary particles of an active material containing silicon and / or a silicon alloy and a binder is formed on an electrically conductive metal foil as a current collector. A mean diameter of primary particles of the active material is less than 1 mum, the primary particles are dispersed uniformly in the active material layer, and the primary particles and the binder are uniformly mixed and distributed.

The invention discloses a hydrophilic-lipophilic medical sheath-core type fiber non-woven fabric, and relates to the technical field of non-woven fabrics. The medical sheath-core type fiber is prepared by processing sheath-core type fiber through a spunlace process, the sheath-core type fiber comprises a core layer and a sheath layer, the core layer is modified polyester fiber, and the sheath layer is modified polylactic acid fiber. The prepared non-woven fabric has the excellent hydrophilic and lipophilic properties and good antibacterial and anti-ageing properties and is good in strength andrebound resilience and comfortable in hand feeling; compared with a sheath-core type fiber non-woven fabric which is prepared by directly adopting unmodified polyester and polylactic acid, the tensile strength is increased by 78.2%, the water absorption rate is increased by 47.6%, the oil absorption rate is increased by 64.7%, and then the application direction of the medical non-woven fabric isimproved.

A stamper reception layer 11 of an optical disk producing sheet 1 is composed of a polymeric material that has energy-curing properties and possesses a pre-curing storage elastic modulus of 103 to 106 Pa. The number of deposits on a stamper can thus be reduced with this optical disk producing sheet 1.

The invention discloses a forming mechanism of a brick press. The forming mechanism comprises a spreading mechanism for spreading raw materials, a prepressing mechanism for prepressing the raw materials, a main pressing mechanism for mainly pressing the raw materials, a demolding mechanism for demolding formed bricks, and a main bearing frame for bearing the spreading mechanism, the prepressing mechanism, the main pressing mechanism and the demolding mechanism. After the structure is adopted, compared with the prior art, the forming mechanism is provided with a brick making forming mold, the brick making forming mold sequentially passes through the spreading mechanism, the prepressing mechanism, the main pressing mechanism and the demolding mechanism, and the raw materials in the mold arepressed and formed in multiple processes. The forming mechanism is provided with the various processing mechanism, function types are rich, the raw materials in the mold can be spread, prepressed, mainly pressed, demolded and the like, the processing flow is finer, and therefore the forming quality of the bricks is improved.

The invention relates to a method for municipal sludge in-situ detwatering by utilization of Fenton sludge. Sludge is subjected to press filtration and dewatering in a sewage treatment plant, then sulfuric acid is added, activation is carried out, thus iron elements with an ionic state exist in the sludge, plastic drain boards are put into municipal sludge, dewatering pre-treatment is carried out, water is drained through a conventional vacuum precompressed drainage method, the Fenton sludge after activation of sulfuric acid is added in the municipal sludge after pre-treatment, the mixture is stirred uniformly, quicklime is added, stirring is carried out, thus the sludge and calcium oxide are mixed uniformly and rapidly, pH adjustment, deodorizing and disinfection are carried out, and the purposes of deep dewatering and stabilization are achieved. The provided method overcomes the detect of high operation and disposal costs of previous sludge processing. The sludge containing a lot of iron elements as a product of the Fenton oxidation method is employed as a coagulant for municipal sludge solidified treatment, the sludge after activation contains a lot of Fe<3+> irons, the ferric salt with a high valence can be employed as a leaching agent, heavy metal ions in the sludge can be leached, and the sludge is discharged.

The vehicular engine mounting structure includes a liquid sealed type bush instead of a rubber embedded bush. The mounting structure also includes: a chassis bracket having a circular supporter for receiving the bush. Two attachment parts of the chassis bracket are coupled to at a front side member. Vertical reinforcing members and a connection reinforcing member for supporting the vertical reinforcing members are installed in the front side member.

The present invention relates to a method of making a self-stick foam adhesive, comprising a. a crosslinked (meth)acrylate polymer comprising repeating units derivable from a monomer composition comprising iv. 55 to 97.4 wt. % of one or more alkyl (meth)acrylate monomers, the alkyl groups of which comprise from 4 to 14 carbon atoms v. 2.5 to 40 wt. % of one or more ethylenically unsaturated monomers comprising a nitrogen- or oxygen containing heterocyclic ring vi. 0.1 to 5 wt. % of one or more polar comonomers b. 1 to 60 parts by weight of one or more hydrogenated resin tackifier per 100 parts by weight of the cross-linked (meth)acrylate polymer and c. 1 to 20 parts by weight microspheres per 100 parts by weight of the cross-linked (meth)acrylate polymer, the method comprising polymerizing monomer components of the monomer composition and wherein at least part of the polymerization is carried in the presence of crosslinking agent, the total amount of crosslinking agent used in the polymerization being between 0.01 and 2 parts by weight per 100 parts by weight of the monomer composition, 1 to 60 parts of one or more hydrogenated resin tackifier per 100 parts by weight of the monomer composition and 1 to 20 parts microspheres per 100 parts of the monomer composition and wherein the polymerization is initiated by radiation substantially in the absence of solvent. The present invention also relates to a self-stick foam adhesive obtainable by such method.

The invention discloses a technology utilizing steel slag and city domestic sludge to produce a sustained-release silicone fertilizer. The technology comprises the following steps: mixing 50 wt% of iron smelting slag and 10 wt% of steel slag, then finely grinding the mixture by a ball mill until the particle size reaches 250 meshes, adding the powder into a disc-type pelletizing machine or a roller pelletizing machine; then adding 20 wt% of damp domestic sludge, carrying out pelletizing; after pellets are formed, adding 20 wt% of fly ash, keeping on pelletizing, drying pellets until the water content is less than 3%, discharging the pellets, packaging, and selling the pellets as fertilizer.

The invention discloses a double-layer column surface net shell with a lower chord being a prestressed stay rope. The double-layer column surface net shell comprises a double-layer column surface net shell body and inclined towing ropes, wherein the double-layer column surface net shell body consists of upper chord rods, web rods, lower chord rods, lower chord ropes, upper-chord bolt ball nodes and lower-chord bolt ball nodes; the upper chord rods and the web rods are connected by the upper-chord bolt ball nodes and the lower-chord bolt ball nodes to form a regular quadrangular pyramid; the lower chord rods are arranged along the long-span direction of the double-layer column surface net shell body; the lower chord ropes are arranged along the short-span direction of the double-layer column surface net shell body; the double-layer column surface net shell body is supported by adopting the peripheries of the lower chords; the inclined towing ropes are symmetrically arranged in the double-layer column surface net shell body; the lower ends of the inclined towing ropes are anchored on downward-bearing type support nodes in the short-span direction of the double-layer column surface net shell body; the upper ends of the inclined towing ropes are connected with upper-chord fixing nodes. The double-layer column surface net shell disclosed by the invention has the characteristics that the prestressed effect is obvious, the indoor redundancy space in a building is not increased, the used steel amount is low, and the adaptability to air-suctioning load can be achieved.

The invention discloses a truss string structure internally provided with inclined guy ropes. The truss string structure comprises a top chord, a web member, knot sleeves, a lower cable and the inclined guy ropes, wherein the top chord is connected with the web member in a penetrating manner by way of welding, the lower end of the web member is connected with the knob sleeves, the lower cable penetrates through both rear ends of each knob sleeve and is fixed on support knobs at both ends respectively, the inclined guy ropes are symmetrically arranged, the lower ends of the inclined guy ropes are fixed on the support knobs and the upper ends of the inclined guy ropes are connected with the fixed knot of an upper cable; the fixed knot of the upper cable can be any intersection point between the top chord and the web member in a span scope of the truss string structure which is 1 / 5 to 1 / 3 far from adjacent support knobs. A pre-tress system which can provide bidirectional resistance is formed by the lower cable and the inclined guy ropes and the system can be suitable for wind suction loads. The truss string structure disclosed by the invention further has the advantages of small use level of steel products, simple structure, low preparation cost, good performance, easy construction and the like.

The invention belongs to the field of binders for lithium-ion batteries and discloses an application of a carrageenan-based binder in a lithium-ion battery and a corresponding binder. The applicationspecifically is the application of the carrageenan-based binder in the lithium-ion battery. The binder comprises carrageenan and is capable of improving the cycling stability of a silicon-containing negative electrode material in the lithium-ion battery. The binder is the binder used for improving the cycling stability of the silicon-containing negative electrode material in the lithium-ion battery and comprises the carrageenan. According to the binder, the cycling stability of the silicon-containing negative electrode material in the lithium-ion battery can be improved through introducing anindividual carrageenan component into the lithium-ion battery or combining the carrageenan component with other components as the binder. Furthermore, the carrageenan component is further combined with a hydrophilic organic matter of the silicon-containing negative electrode material and / or calcium ions for application, so that the cycle performance of silicon as the negative electrode material for the lithium battery can be further improved and the electrochemical property of a negative electrode of a silicon-based lithium battery is improved.

The invention discloses a truss-string structure with additional standby cables. The truss-string structure is composed of an upper truss, middle supporting rods, a lower inhaul cable, a supporting structure and the middle standby cables. The upper truss is a square quadrangular pyramid space arch truss which is composed of multiple upper chord members, lower chord members, diagonal web members and horizontal web members; the two ends of the lower inhaul cable are anchored at the ends of the upper truss; the multiple supporting rods are evenly arranged between the upper truss and the lower inhaul cable, and the top ends and the bottom ends of the supporting rods are connected with the lower chord members of the upper truss and the lower inhaul cable respectively; the two ends of the middle standby cables are connected with the lower chord members of the upper truss and the bottom ends of the supporting rods respectively; the supporting structure is composed of a fixed hinge support and a sliding hinge support which support the two ends of the upper truss respectively. Compared with a traditional truss-string structure, the redundancy rate of the truss-string structure with the additional standby cables is increased, and the progressive collapse resistance of the truss-string structure with the additional standby cables is improved. The truss-string structure is simple in structural form, convenient to construct, easy to realize and suitable for being applied to practical engineering.

The invention provides a 4UPU-UP redundant drive parallel robot. The 4UPU-UP redundant drive parallel robot comprises a static platform and a movable platform and further comprises four UPU drive branch chains and a UP passive constraint chain which are connected with the static platform and the movable platform, each driving branch chain has the same structure and comprises a moving pair I, the moving pair I serves as a driving joint, the two ends of each moving pair I are respectively connected with the static platform and the movable platform through hooke joints, the four UPU driving branch chains are evenly distributed around the passive constraint chain, the passive constraint chain comprises a moving pair II, the moving pair II serves as a passive joint, one end of the moving pair II is connected with the static platform through the hooke joints, and the other end of the moving pair II is fixedly connected with the movable platform. According to the 4UPU-UP redundant drive parallel robot, the number of the driving branch chains is larger than the number of the freedom degrees of a mechanism, rigidity and bearing capacity can be improved, no singular area exists in the interior of the working space, the redundant driving parallel mechanism can carry out driving force optimization, meanwhile, internal force between the branch chains of the parallel mechanism is improved, and the efficiency of the mechanism output force is improved.

The invention discloses a semi-rigid base material for a highway. The semi-rigid base material is prepared from following materials in mass fraction: a stable mixture, mixed aggregate, cement fly ash-bound hoggin, granular asphalt, an early strength agent, high-elasticity fiber, crushed quartz stone, an anti-shrink additive, cement soil, polymer concrete and a salt additive. The invention furtherprovides a preparation process of the semi-rigid base material for the highway. The process comprises the following steps: step 100, dividing the raw materials into a base material group, an anti-shrink material group, a stress change agent group and a durability modifier group in proportion; step 200, adding water to the base material until the base material is in a semi-bonding state, controlling conditions and adding the anti-shrink material and the stress change agent until the material is in a mortar state, adding the durability modifier and mixing the materials to obtain a primary blended material; step 300, performing multistage development on the primary blended material to obtain a multistage finished material, and laying the multistage finished material in stage sequence. The semi-rigid base material obtained with the formula and the process has good temperature retraction resistance and corrosion resistance and high permeation resistance and durability.

The invention relates to a construction method facilitating guarantee of hollow floor structural size. The construction method comprises the following steps that S1, a horizontal bottom formwork is laid; S2, a plurality of bottom layer steel bar cushion blocks are arranged on the bottom formwork, and a bottom steel bar layer is laid; S3, a plurality of second connecting pieces are used for connecting the bottom steel bar layer with the bottom formwork; S4, a plurality of placeholder box body cushion blocks are arranged on the bottom formwork, and a placeholder box body layer is laid; S5, an anti-floating steel bar layer is laid on the placeholder box body layer, and the anti-floating steel bar layer is supported by the placeholder box body layer; S6, a plurality of first connecting piecesare used for connecting anti-floating layer and the bottom formwork; S7, a plurality of top layer steel rib cushion blocks are arranged on the placeholder box body layer, and a top steel bar layer islaid; and S8, a plurality of third connecting pieces are used for connecting the top steel bar layer and the bottom steel bar layer. The anti-floating steel bar layer and the first connecting pieces are used for preventing placeholder box body tilting float after concrete slurry pouring, components in the floor are effectively fixed to guarantee the structure size of the floor to meet design sizerequirements and improve floor quality.

The invention discloses a double-layer composite durable mechanical bearing alloy for electric fittings. The double-layer composite durable mechanical bearing alloy comprises interior high-strength pipe casting alloy and exterior high-hardness pipe casting alloy, wherein the high-strength pipe casting alloy is composed of, by weight, 38 to 42 parts of iron, 17 to 20 parts of nickel, 6 to 9 parts of silicon and 8 to 11 parts of manganese while the high-hardness pipe casting alloy is composed of, by weight, 28 to 32 parts of chromium, 9 to 12 parts of molybdenum, 45 to 48 parts of iron and 13 to 16 parts of titanium. The interior of the double-layer composite durable mechanical bearing alloy is high in strength and good in thermal performance; and the exterior of the alloy is high in hardness, good in wear resistance, strong in toughness and long in service life.

An electrically heated wooden floor, include a floor body, the two ends of the floor main body are respectively provided with matching tongue and tongue groove, a heating layer is arranged inside thefloor body, The heating layer is provided with a hollow groove, a plurality of vertical isolation ribs are arranged in the hollow groove, reinforcing ribs are arranged crosswise between adjacent isolation ribs, a threading pipe is arranged at the crosswise part of the reinforcing ribs, a carbon fiber heating wire is arranged in the threading pipe, the carbon fiber heating wire is centrally connected with an external temperature controller through a cold lead, and a power supply wire is connected on the temperature controller. The invention has the characteristics of good heating effect, convenient installation, maintenance and good comfort.

The invention discloses an expanding rubber pipe and a production process thereof. The expanding rubber pipe comprises an internal pipe cavity, an inner rubber layer is arranged on the exterior of the pipe cavity, an inner enhancement layer is arranged on the exterior of the inner rubber layer, and a rubber layer with the thickness being 0.25 mm is bonded to the inner enhancement layer; an outer enhancement layer is arranged on the outer side of the inner enhancement layer, a rubber layer with the thickness being 0.25 mm is compounded to the outer enhancement layer, and an outer rubber pipe is arranged on the outer side of the outer enhancement layer; and the expanding rubber pipe is composed the following components including 36%-40% of natural rubber, 13%-15% of butadiene rubber, 5%-8% of zinc oxide, 1%-5% of an anti-aging agent A, 1%-5% of an anti-aging agent D, 3%-6% of coumarone, 15%-25% of 220 carbon black, 15%-20% of calcium bicarbonate, 2%-4% of Vaseline, 1%-2% of stearic acid, 0.3%-0.5% of sulphur, 0.5%-1% of an accelerant NOBS and 0.1%-0.2% of TMTD. The expanding rubber pipe is high in pressure resisting coefficient and good in heat isolation performance, a pipe body is soft, and the expanding rubber pipe is ideal.

The invention discloses a handle, comprising a left half body and a right half body; The left half body is provided with a left half cavity, the right half body is provided with a right half cavity, one side of the left half body facing the right half body is a left matching side, and one side of the right half body facing the left half body is a right matching side; A plurality of left flanges and a plurality of left grooves are arranged on the left half body, the left flanges are arranged on the left mating side surface, the left grooves are opened on the left mating side surface, the righthalf body is provided with a plurality of right flanges and a plurality of right grooves, the right flanges are arranged on the right mating side surface, and the right grooves are opened on the rightmating side surface. The left flange is stuck in the corresponding right groove and the right flange is stuck in the corresponding left groove. The invention has the advantages that the distributionof the limit structure on the two halves is relatively balanced, the overall strength after assembly is good, and the problems of local easy deformation and easy damage can be avoided.

The invention provides a synergist for enhancing fertilizer particle strength, a granular fertilizer, a preparation method thereof and a fertilization method of the granular fertilizer. The synergistcomprises the following components in percentage by weight: 20-50% of bentonite, 40-60% of modified metal silicate and 10-20% of polyvinyl alcohol. The granular fertilize comprises a granular fertilize matrix component, the granular fertilizer also comprises the synergist, and the synergist and the granular fertilizer matrix component form a mixture. The granular fertilizer has high internal forceof particles, high strength, no powder falling from the particles, good anti-caking effect and no bad phenomena such as crushing, slot blocking and the like. The preparation method of the granular fertilizer is easy to control and mild in conditions, can effectively ensure the stable performance of the prepared granular fertilizer particles, effectively improves the preparation efficiency and reduces the production cost.

The invention discloses a convenient-to-use corrosion-resistant partition board with an insertion structure. The convenient-to-use corrosion-resistant partition board comprises a first main body and asecond main body, the second main body is arranged on one side of the first main body, a splicing structure is arranged between the first main body and the second main body, and springs are fixed tothe top ends of limiting blocks correspondingly; and protective structures are arranged on the outer side walls of the first main body and the second main body correspondingly, and reinforcing structures are arranged in the first main body and the second main body correspondingly. According to the partition board, the splicing structure is arranged between the first main body and the second main body of the partition board, and clamping blocks are aligned to the interiors of clamping grooves to be inserted and then are fixed through fixing bolts, so that the clamping grooves and the clamping blocks are fixed together, splicing of the first main body and the second main body can be achieved, the width and the length of the first main body and the second main body can be increased accordingto actual requirements, and the overall practicability and convenience are improved.

The invention discloses a high-strength wet strength agent for papermaking and a preparation method of the wet strength agent and belongs to the technical field of papermaking aids. P-hydroxy benzaldehyde and malonic acid are subjected to a decarbonation condensation reaction, a wet strength enhanced active agent and an intermediate in the generation process of phenyl methyl ester bonds are subjected to an addition reaction, and the wet strength is improved. A cation group is introduced to form adsorption with the fiber surface containing negative charge, and the contact performance of the wetstrength agent for paper is improved. A ketone carbonyl crosslinking agent adipic dihydrazide is added, polyurethane can be self-crosslinked in or on the surface of a material, the wet strength is improved and firm hydrophobic networks are formed by use of better waterproof property of polyurethane and introduction of self-repairing oxime bonds for modification, wollastonite is supplemented, theoptical properties such as opaqueness, covering power and the like of paper are improved, and the internal strength of paper fiber is improved. The problems that the paper strength effect is small andthe wet resistance is poor after the wet strength agent is used at present are solved.

An internal calibration mechanism of a weigh module has a driving structure, a calibration weight and a weight support frame. The weight support frame has an opening or a groove for loading the calibration weight. The weight support frame is connected to a load receiving portion at both sides thereof and is connected to a portion of a fixing portion that extends towards the load-receiving portion. In one case, the weight support frame, the load-receiving portion and the fixing portion are integrally formed. In another case, a force transmission connecting portion and a fulcrum connecting portion of the weight support frame are fixedly connected, respectively, to the load-receiving portion and to the extending portion of the fixing portion. In another case, flexure hinges connect the weight support frame to the load-receiving portion at both sides thereof and connect the weight support frame to the extending portion.

The invention relates to a manufacturing process for a high-strength corrugated board. The manufacturing process is improved from an original paper production process to a drying process in a number of aspects, the high strength of the corrugated cardboard is ensured, the crack resistance is high, the rupture resistance and tear resistance are good, and the service life is long. The original paperproduction process is improved, a traditional chemical mechanical method and mechanical method are replaced with an explosion pulping, and obtained original paper has the characteristics of being high in strength, high in yield, low in cost, lower in energy consumption and the like; and a preparation process of a high-strength adhesive is improved, the problem that a starch adhesive is prone to being dilute and unstable in performance in the process of recycling is solved, the situation that the bonding strength and edge crush strength of the corrugated board are decreased due to the fact that the corrugated board produced by using the starch adhesive is prone to getting damp and being soft is avoided, the strength of the corrugated board is improved, preparing and laminating technologiesare improved, the strength of the corrugated board is further improved structurally, a drying technology is improved, and the corrugated board has higher strength and is tightly combined.