105results about How to "Improve usage characteristics" patented technology

The invention relates to a device and a method for the controlled piercing of an object, particularly for the puncturing of a skin, the device including a drive unit configured for the purpose of supplying a drive force, a piercing system which comprises piercing means for piercing the object and which is coupled to the drive unit so that the drive force is initiated for a repetitive forward / return movement of the piercing means onto the piercing means, a measuring system that is configured for the purpose of determining, in a measuring operation mode, measuring values for a piercing depth of the piercing means into the object, and a control system which is coupled to the measuring system and the drive unit, and is configured for the purpose of setting, for an application operation mode, an extension amplitude for the repetitive forward / return movement of the piercing means, which is allocated to a pre-specified piercing depth which is derived from measuring values for the piercing depth as determined in the measuring operation mode.

A medical bandage is disclosed including a knitted spacer fabric cover or padding positioned in surrounding relation on a moisture-hardenable substrate. A reactive system is applied to and into the thickness of the substrate. The reactive system having a first state wherein the substrate remains in a flexible, conformable condition and a second state wherein the reactive system hardens, simultaneously hardening the substrate into a desired conformation.

The invention discloses a device for multiple calibration and background extraction in target radar scattering cross section (RCS) measurement and a signal processing method thereof. The invention provides a new calibration member appearance design. By means of a designed novel calibration member (SCAM), just through one 360-DEG direction rotation measurement, data required for background auxiliary measurement, extracting and counteracting processing, and RCS multiple calibration measurement and processing can be simultaneously obtained. The novel calibration member (SCAM) provided by the invention realizes an improvement on the appearance of an existing CAM calibration member and furthermore eliminates inherent defects in background extraction auxiliary measurement and RCS calibration processing by an international universal traditional cylindrical calibration member and a CAM calibration member.

An object of the present invention is to provide a one-pack type dental adhesive composition which can exhibit excellent adhesion to any material, for example, dental ceramics, organic composites containing inorganic compounds, dental noble metals and dental non-noble metals, and also has excellent storage stability.Disclosed is a one-pack type dental adhesive composition comprising a silane coupling agent as a component (a), an acidic group-containing polymerizable monomer as a component (b), a sulfur atom-containing polymerizable monomer as a component (d), and other components.

The invention discloses a multi-layer non-glued composite non-woven fabric containing natural fiber. The fabric comprises a base material layer; a fibrous layer is composited on the surface of the base material layer and the fibrous layer comprises at least natural fiber. The invention also discloses a preparation method and applications of the multi-layer non-glued composite non-woven fabric containing natural fiber. The provided multi-layer non-glued composite non-woven fabric containing natural fiber balances the advantages and merits of various kinds of fibers; adhesive agent is needless; integral online formation and segmented independent formation are fulfilled; a special composite structure formed by the fibrous layer containing natural fiber and other non-woven fabric base material layer has good physical and chemical property and operating performance such as safety, low sensitivity, softness, being skin-friendly, diversion, capable of breathing and increasing intensity, etc.; in this way, the natural fiber consumption is greatly reduced, manufacture cost is reduced and environmental protection requirement is meet.

The invention discloses a treatment method for improving operating characteristics of nano-zinc oxide. The treatment method comprises the following steps of soaking modification treatment and deposition modification treatment. The prepared modified nano-zinc oxide has good dispersing characteristics, an agglomeration phenomenon is not likely to occur, the strength, corrosion resistance and temperature resistance of the nano-zinc oxide are very well improved, the compatibility with organic components are better, a filling usage effect is good, and the nano-zinc oxide has a popularization and usage value.

The invention relates to high-solid-content low-VOC (volatile organic compound) polyurethane bicomponent matte finish which is composed of a component A and a component B, wherein the component A is a matte finish resin composition and the component B is a polyurethane curing agent. The mass ratio of the matte finish resin composition to the polyurethane curing agent is 1:0.4-0.8, and the matte finish resin composition is made of high-solid-content low-VOC alkyd resin, dimethylbenzene, ED30 matte powder, fumed silica anti-setting agent, wax powder BYK996, wetting agent BYK323, antifoaming agent BYK141, flatting agent BYK306, butyl acetate and cyclohexanone. The VOC content is equal to or smaller than 40g / L when the matte finish resin composition and the polyurethane curing agent are matched to reach proper applicable viscosity.

The invention discloses a polyurethane curing agent compounded by diphenylmethane diisocyanate and hydroxyl compounds, which comprises the following raw materials in parts by weight: 28 parts to 33 parts of diphenyl-methane-diisocyanate (MDI) monomer, 1.5 parts to 2 parts of trimethylolpropane, 0.5 part to 1.5 parts of propanediol, 22 parts to 26 parts of hydroxyl polymer compound, 0.5 part to 1 part of butyl cellosolve, 0.05 part to 0.1 part of dibutyltin dilaurate, 6 parts to 9 parts of acetic ether, 6 parts to 9 parts of butyl acetate, 8 parts to 12 parts of dimethylbenzene and 8 parts to 12 parts of methylbenzene. The invention has the advantages that free MDI is low, and the polyurethane curing agent has high stability when being stored at high and low temperature and does not turn white in high-wet weather; NCO in the curing agent is high, and when the polyurethane curing agent is in cross-linking reaction with paint components containing the hydroxyl group, the reaction activity and the construction activation period can be met simultaneously, and the harness of paint films is higher; and the polyurethane curing agent can form into coating films of different characteristicsafter normal temperature copolymerization by matching with the paint components containing the hydroxyl group. The invention has very excellent use characteristic and wide application fields.

The invention discloses a processing technology of a high-strength high-tenacity fishing twine. The processing technology comprises the following steps: firstly, drying and crushing polypropylene and polyethylene; mixing crushed polypropylene and polyethylene with rubber, glyceryl monostearate, microcrystalline wax, dihydro-quinoline, bisoctadecyl ester and modified nano-zinc oxide; performing granulation; placing the granules in an injection molding machine to be subjected to injection molding; and cooling, drawing and stretching a semi-finished product obtained through molding. Various raw material ingredients are reasonably selected, and meanwhile, the specific processing technology is improved, so that the use features of the end-product fishing twine are effectively improved, the fishing twine is uniform in thickness and stable in overall quality, the breaking strength can be improved by 14-20%, the knot strength can be improved by 10-15%, decrease of the elongation at break is controlled to be within 4% on the basis of strength improvement, besides, the processing yield can reach 99.9% or above, the overall characteristic is excellent and the popularization value is high.

The invention provides a modified alkyd resin and a preparation method thereof. The preparation method of the modified alkyd resin comprises the following step of: enabling an alcohol acid mixture to react to obtain the modified alkyd resin, wherein the alcohol acid mixture comprises the following components in parts by weight: 210-220 parts of soya-bean oil acid, 250-270 parts of phthalic anhydride, 5-7 parts of maleic anhydride, 15-20 parts of neopentyl glycol, 135-150 parts of pentaerythritol, 0.5-1 part of color-reducing antioxidant, 15-20 parts of water-carrying agent, 255-280 parts of diluted solvent, 0.5-1.5 parts of anti-aging agent and 60-76 parts of a compound as shown in formula (I), wherein n is not less than 1 and not more than 4. The compound as shown in the formula (I) is used for modifying the alkyd resin, so that the alkyd resin with a formaldehyde removing function is obtained. The invention further provides double-component matte white finish with an excellent formaldehyde removing function.

A seal including a tubular carrier body (1) and two annular sealing elements (2, 3), wherein the carrier body (1) on both sides of its front face is respectively enclosed by one of the sealing elements (2, 3) on the side of its outer perimeter forming a seal. At least one of the sealing elements (2, 3) is made of a non-elastomeric high-temperature resistant sealing material.

A low density fabric substrate for a medical bandaging product. The substrate has a plurality of longitudinally-extending voids formed in the fabric for permitting water penetration through the fabric thickness from one of the major faces to the other major faces. A reactive system is impregnated into or coated onto the substrate and remains stable when maintained in substantially moisture-free conditions and hardens upon exposure to sufficient moisture to form a rigid, self supporting structure. A soft, flexible protective material covers at least one of the major faces of the substrate along its length to provide a cushioning barrier between the substrate and the skin of a patient when the material is in use.

The invention relates to a bearing comprising at least two rubber bushings (1, 2) each having a vertical axis of rotation (3, 4), said rubber bushings (1, 2) being functionally connected in parallel.