103results about How to "No exudation" patented technology

The invention relates to the field of powder metallurgy technology characterized in that, forming the powder with 200 MPa-500 MPa and feeding into sintering furnace, elevating the temperature to 400-700 deg. C. at the speed of 5-20 deg. C per minutes, heat preserving for 15-120 mins, elevating the temperature to sintering temperature of 1150-1350 deg. C. at the speed of 20-60 deg. C per minutes, heat preserving for 30-120 mins.

The invention discloses a thin cigarette filter rod containing a single solid aromatic bead particle and a preparation method of the thin cigarette filter rod, and relates to the field of cigarette flavor spices. The solid aromatic bead particle is loaded in the middle of a cigarette filter rod tow and mainly prepared from activated montmorillonite by processes such as gel preparation, crystallization, ball making and flavor attachment, and an approach is provided for adding cigarette flavor with weak aroma keeping effects. In the smoking process, the flavor in the filter rod is not involved in combustion and slowly and uniformly released along with smoke, and the problem of aroma deterioration caused by combustion is solved. The thin cigarette filter rod has the advantages that the singlesolid aromatic bead particle is applied to the cigarette filter rod, the cigarette filter rod is simple in structure, poisonless and tasteless, a consumer does not need to worry about safety of tinyadditives such as zeolite powder, the aromatic bead is simple in preparation process and stable to form, the total control rate of the concentration of the aromatic bead is more stable, the qualification rate and the production stability of the aromatic bead are better than those of an 'explosion bead', additional solvents are omitted in flavor attachment, and aroma is elegant and volatile.

The invention relates to an efficient and environment-friendly remains preservative free of formaldehyde and application thereof. The remains preservative mainly comprises, by volume, 0.5-10% of phenoxyethanol, 0.2-1.5% of isothiazolinone, 3-15% of organic acid, 5-20% of propylene glycol, 5-30% of glycerol, 20-75% of ethanol and 5-35% of distilled water, and, by weight, 1-10% of hexamethylenetetramine and 0-2% of ethylenediamine tetraacetic acid disodium salt. The preservative can be poured through an aorta and an aortic arch and injected through the abdominal cavity, the thoracic cavity, the pharyngeal cavity and the cranial cavity so as to carry out antiseptic preservation, disinfection and smell removal to remains. Quantification sterilization experiments, animal experiments and funeral home field experiments prove that the remains preservative is efficient in antibacterial property, quick in action speed, low in toxicity and suitable for short-term or long-term remains antisepsis or specimen preservation of funeral homes and medical colleges at home and abroad.

The invention relates to a low-toxicity, environment-friendly short-term remains preservative based on alcohols and usage thereof. The remains preservative mainly comprises 60 to 75 percent of ethanol, 5 to 20 percent of propylene glycol, 3 to 15 percent of organic acid, 0 to 0.3 percent of essence and 10 to 40 percent of distilled water according to volumetric proportion as well as 0.2 to 10 percent of nipagin ester, 0.3 to 3 percent of thymol, 0.5 to 3 percent of mannitol (or sorbierite) and 0.05 to 0.5 percent of low-toxicity metal salt according to weight ratio. The invention can adopt the immersion method or the infusion method to preserve and fix remains (tissues), and the preservative can be infused via the aorta (arch) and injected via the thoracic cavity and the abdominal cavity, and has the fast and effective effects of disinfection, embalmment and preservation. The preservative is highly antibacterial, can effectively prevent bacteria from corroding the remains and the autolysis of the tissues, can be used as histocyte fixative, and is applicable to short-term remains embalmment or specimen preservation in domestic and foreign funeral homes and medical academies.

The invention provides a preservative liquid for corpses, tissue and dissections and an application method thereof. The preservative liquid mainly comprises 0.5 to 2% by mass of glutaraldehyde, 0.3 to 3% by mass of thymol, 0.5 to 3% by mass of sodium benzoate, 0.1 to 1% by mass of sodium citrate (or citric acid), 0.5 to 3% by mass of mannitol (or D-sorbitol), 40 to 65% by volume of ethanol, 5 to 15% by volume of glycerol, 1 to 5% by volume of organic acid, 0 to 1% by volume of essence and 14 to 54% by volume of water. The preservative liquid can realize preservation and fixation of corpses, tissue and dissections via a soaking or perfusion method and exerts anticorrosive, preservative, disinfecting and stink-removing effects. According to results of animal experiments of the preservative liquid in a laboratory, on-site experiments in a mortuary house, etc., the preservative liquid has high efficiency bacteriostatic performance, safety and low toxicity and is applicable to preservation of corpses, tissue and dissections in medical teaching and scientific research and funeral services.

The invention relates to a novel preparation method of a soilless culture medium, which is characterized by comprising the following steps: mixing 10-30 wt% of 0.5-300 mu m glass powder, 1-15 wt% of cosolvent, 80-25 wt% of ceramic powder and 9-30 wt% of pore increasing agent, and grinding into a uniform powder mixture; and firing the powder mixture at 600-1100 DEG C for 1-4 hours, crushing and screening to obtain the soilless culture medium. The pore increasing agent is one or mixture of coal powder, crop straw fine powder and herbal plant fine powder; the ceramic powder is one or mixture of coal gangue, red mud, polished brick waste and waste ceramic tile powder of which the particle size is 0.5-5 mu m; and the cosolvent is sodium fluosilicate or sodium silicate, or mixture of sodium fluosilicate or sodium silicate in any proportion. The pore size of the soilless culture medium can be controlled at 0.1-0.5mm; the pores are uniformly distributed inside and outside and form interlocking pores; and thus, the soilless culture medium has favorable water retention property.

The invention discloses modified polyvinyl butyral (PVB) resin with high plasticizer absorption rate, and a sound reduction PVB film containing the modified PVB resin. Every 100 parts by weight of themodified PVB resin can absorb 40-120 parts by weight of plasticizer, and the plasticizer absorption rate of the modified PVB resin is 1.03-3.08 times the highest plasticizer absorption rate of the ordinary PVB resin; the sound reduction PVB film prepared from the modified PVB resin is free from plasticizer seepage for a long time, and can reduce noise by 1-10 decibels (dB) compared with the ordinary PVB of the same thickness. In addition, the sound reduction PVB film can also be transformed into a wedge-shaped structure from a rectangular structure by means of a hot pressing process, thus being conveniently used for head-up display type laminated glass.

The invention discloses boiling-resistant aqueous composite ink and a preparation method thereof. The boiling-resistant aqueous composite ink mainly comprises raw materials including aqueous polyurethane resin, a pigment and water, and a surface wetting agent, a wetting dispersing agent and a defoaming agent are additionally added. The preparation method of the boiling-resistant aqueous composite ink comprises the following steps of: firstly, adding partial aqueous polyurethane resin into a stirring reaction kettle; secondly, slowly adding the surface wetting agent, the wetting dispersing agent and partial defoaming agent, and adding the pigment after stirring and dispersing; thirdly, stirring and dispersing at high speed, and grinding after dispersing; fourthly, adding the residual aqueous polyurethane resin and defoaming agent and stirring and dispersing, and adding the water until the required viscosity is obtained through regulation; and at last, stirring, dispersing, filtering and packaging. The boiling-resistant aqueous composite ink, provided by the invention, is prepared by taking the high-performance aqueous polyurethane resin as a connecting material, and has the advantages of good pigment dispersibility, wide use range, lower film forming temperature, better mechanical property of formed film, more uniform particle size distribution and the like, and can be used for soft retort packages.

The invention discloses aqueous white primer for sealing wood oil and tannic acid. The aqueous white primer comprises the following components in percentage by weight: 5-10% of water, 1-2% of a dispersant, 0.5-1% of a thickener, 0.1-0.2% of a pH adjustor, 1-2% of a defoamer, 15-20% of a titanium dioxide white pigment, 3-5% of a tannic acid inhibitor, 2-3% of a film forming solution, 8-10% of talcum powder and 47.8-64.4% of an acrylic emulsion. The invention relates to aqueous white primer which can be dried at normal temperature and coated to wooden furniture or artware, so that an extremely strong adhesive force and an excellent oil and tannic acid sealing property are achieved, and the purpose of excellent decoration and protection is realized.

The invention discloses a cigarette dry bead filter rod capable of improving the sweetness of cigarettes. The circumference of the bottom surface of a nozzle rod is 24mm. A dry bead with the diameterthereof to be 3.25 +/-0.15 mm is loaded on the middle section of a tow. The dry bead takes a zeolite molecular sieve as a main raw material. The hippophae rhamnoides fruit composite extract for improving the sweetness of cigarettes is adsorbed on the dry bead. Due to the porous structure of the dry bead, in the cigarette smoking process, the essence is slowly and uniformly released along with smoke and is not combusted. Therefore, the diversity of smoking taste is improved. Meanwhile, the sweetening and moistening effect can be achieved.

The invention discloses hydrophobic and anti-icing emulsified asphalt and a preparation method thereof. The hydrophobic and anti-icing emulsified asphalt is composed of matrix asphalt, a soap liquid, a hydrophobing agent, an interface agent, waterborne epoxy resin and a curing agent, wherein the hydrophobing agent is a polyfluoroalkoxy or a fluorinated ethylene propylene copolymer with the fineness of 625-1250mu. The hydrophobic and anti-icing emulsified asphalt disclosed by the invention is relatively good in adhesion to various aggregates and capable of adapting to relatively disadvantage interface conditions and still keeping good hydrophobicity after being permeated into a gap of an asphalt pavement and the insides of the surfaces of the aggregates and being acted by a vehicle load for a relatively long term. The hydrophobic and anti-icing emulsified asphalt id directly spread or is mixed and spread with the aggregates to form a hydrophobic and anti-icing layer by which the adhesive force of an ice layer and the asphalt pavement can be remarkably reduced, so that the ice layer of the asphalt pavement in winter is easily eliminated. A construction technology of the hydrophobic and anti-icing emulsified asphalt is simple, rapid, wide in application range, high in economic and social benefits, high in practicability, good in use effect and convenient to popularize.

The invention provides an adhesive applying device for a medical accessory assembly machine, belonging to the technical field of manufacturing equipment of medical apparatuses and solving the technical problems that excessive adhesive applying and other circumstances are easily present in an existing adhesive applying device. The adhesive applying device for the medical accessory assembly machine comprises an adhesive applying claw, wherein a cover plate is fixed at an opening of an adhesive box; the cover plate is provided with at least one adhesive taking hole; the adhesive applying claw is arranged above the cover plate; an adhesive applying hole is formed when the adhesive applying claw is closed; an adhesive taking rod corresponding to the adhesive taking hole in position is arranged in the adhesive box; a driving location structure capable of driving the adhesive taking rod to rotate is arranged on the adhesive box; the driving location structure can allow an adhesive dipping end of the adhesive taking rod to extend into the adhesive box to dip an adhesive; the driving location structure can also allow the adhesive dipping end of the adhesive taking rod to penetrate through the corresponding adhesive taking hole to be located; in addition, the adhesive dipping end is positioned in the adhesive applying hole when the adhesive applying claw is closed and is in contact with the hole wall of the adhesive applying hole. The adhesive applying device has the advantages that the adhesive amount on the hole wall of the adhesive applying hole is kept at a moderate level through twice adhesive dipping.

The invention provides a polytetrafluoroethylene (PTFE) outer lining butterfly plate making method which is characterized by comprising the following steps: A. placing PTFE suspension powder and a metal board core inside a die with the metal board core in a die centre shaft; B. placing the die in a press, pressurizing to 19-21Mpa with the pressure holding time of 60-100 minutes, then demolding to obtain a butterfly plate semi-finished product; and C. putting the butterfly plate semi-finished product into a sintering furnace for multi-segment sintering for moulding to obtain a butterfly plate product. After the multi segment sintering for moulding, the butterfly plate mould pressing sintering moulding rate can reach more than 85%. After the metal board core is coated with the PTFE suspension powder, no arc phenomenon is produced in PTFE surface and the metal board core which is internally coated in the PTFE surface by 20000 volt electric shock test, so that the PTFE surface is qualified in density. If the PTFE surface is not qualified in density, arc phenomena may be produced. The valve plate surface water drop seepage phenomenon can be tested by use of 1.1Mpa of water pressure, the pressure is held for 3 minutes, and no water drop is seeped, so that a valve plate is qualified by a water pressure seal test.

The invention relates to traditional Chinese medicine oral liquid for treating viral hepatitis and liver injury of poultry, and the traditional Chinese medicine oral liquid comprises four medicines of false Chinese swertia herb, virgate wormwood herb, baicalein and vitamin C. The drug is applicable to treating the viral hepatitis, the liver injury, and the like, of poultry, such as viral hepatitis and other diseases of ducks. The drug overcomes the shortcoming that the use of antibiotics is easy to generate the drug resistance, the formulation is combined with the special physiological structure that the reproductive tract of the poultry is short and can not digest wood fibers, the drug is prepared into the oral liquid which can be rapidly dispersed in drinking water for feeding, and the drug delivery of the sick livestock and the poultry is carried out by the drinking water, thereby facilitating and being conductive to the absorption and being able to achieve the purpose of realizing the function fast.

The present invention provides a curable resin composition with which it is possible to obtain a cured product that is capable of retaining a low thermal expansion rate even in a high-temperature range during component mounting and that exhibits various excellent properties such as toughness; and a dry film, a cured product, and an electronic component using the curable resin composition. The curable resin composition comprises a curable resin, a fine powder in which at least one of the dimensions is smaller than 100 nm, and a filler other than the fine powder. The dry film, the cured productand the electronic component are obtained by using said curable resin composition.

A medicine for removing the vegetation from human body is an aqueous solution of trichloroacetic acid, which is prepared from water and dehydrated trichloroacetic acid in Wt. ratio of 1:(18-24). Its advantages include high effect, no residual scar, no untoward effect, and low poison.

The invention discloses novel application of a natural silk sericin-free silk fibroin core to preparation of a medical surgical instrument for human bodies. The natural silk sericin-free silk fibroin core has high mechanical property, high flexibility and an appropriate degradation speed. As proved by an in-vivo experiment on an animal, the natural silk sericin-free silk fibroin core is immune to exclusive reactions and toxic reaction, and is a good material for preparing various in-vivo medical instruments.