30results about How to "Less extractables" patented technology

The invention relates to a biological pulp and paper making wastewater zero discharge technique, which belongs to the technical field of paper making. The invention mainly improves the procedures of cooking and middle section water treatment. The cooking procedure adjusts the cooking technique, reduces the cooking pressure and shortens the cooking time, thereby effectively reducing the pulp extract and reducing the COD content in middle section water; and the middle section water treatment procedure modifies the rotary mixing type aerator in the bioaeration pool into a suspension-type aeration chain device, thereby enhancing the oxygen conversion efficiency by 5-10%, increasing the dissolved oxygen content in wastewater and enhancing the organic matter removal rate in wastewater on the premise of not increasing the power. The invention breaks through the normal procedure for the middle section water treatment, and treats the middle section water twice, so that all the treated water can be recycled. The invention realizes cyclic utilization of black liquor and zero discharge of middle section water, solves the problem of large amount of clear water of the paper machine, saves the water resources, reduces the environmental pollution and provides successful experience for non-xylogen paper making.

The invention discloses a processing method of oil-fried Udon noodles. The processing method of the oil-fried Udon noodles comprises the following steps of uniformly dissolving edible salt, compound phosphates, an emulsifier, a thickening agent and water-soluble soybean polysaccharides in weakly alkaline soft water so as to obtain water used for making dough; adding the water used for making doughinto edible flour, and carrying out vacuum stirring so as to make dough; performing 1-time compounding on the dough by utilizing a composite rolling machine so as to obtain a dough band, and performing curing treatment on the dough band; rolling the dough band by using a rolling machine so as to obtain dough sheet; cutting the dough sheet into stripes by using a cutter, and carrying out preliminary shaping by performing knurling by using a baffle so as to obtain noodles; sending the shaped dough noodles into a staged steaming box via a conveyor belt; stretching the steamed noodles, carrying out quantitative cutting, and carrying out oil-frying in a pan so as to carry out dewatering, and thus, oil-fried noodle blocks are prepared. The noodles are oil-fried by adopting two-stage oil-frying,wherein the first stage is low-temperature frying and the second stage is high-temperature frying. By optimizing raw material formula and processing method, the oil-fried Udon noodles prepared according to the processing method are chewy, soft and smooth in taste, as well as good in tenacity. And thus, a new idea and direction of noodle product industry is provided. The oil-fried Udon noodles andthe processing method thereof have wide market prospects and market benefits.

The invention relates to a radiation curable hot melt composition comprising: a) 20 to 100 wt. % of a radiation curable resin or a mixture of radiation curable resins having a viscosity in the range from 15 to 10,000 mPas in the temperature range from 40 to 150° C., b) 0 to 50 wt. % of a hydroxyfunctional resin or oligomer or a mixture of hydroxyfunctional resins or oligomers, c) 0 to 10 wt. % of a photoinitiator, d) 0 to 50 wt. % of fillers and/or additives, and e) 0 to 40 wt. % of pigment, wherein the total amount of components a) to e) adds up to 100 wt. %. The invention further relates to a process for the coating of a substrate with such radiation curable hot melt composition. In this process the composition is heated to a temperature in the range from 40 to 150° C., is applied to the substrate, and then the coated substrate is exposed to electromagnetic radiation having a wavelength λ≦500 nm.

The invention relates to the technical field of corn steamed bread, in particular to corn strengthening steamed bread and a preparation method thereof. In the invention, the modified corn meal is used as major ingredient, and the accessories including wheat gluten, sodium alginate, xanthan gum, composite phosphate, sodium polyacrylate and table salt are added; the method comprises the following steps of: (1) preparation of the major ingredient; (2) preparation of the accessories; (3) mixing the materials and adding water; (4) kneading; (5) forming; (6) fermentation; (7) curing; and (8) cooling to obtain the corn strengthening steamed bread. The corn strengthening steamed bread is characterized in that the content of corn meal in the steamed bread reaches about 70%. The product has rich nutrition and is digestible; and moreover, the product has delicate and smooth mouthfeel and high elasticity, and is tasty and not stuck on teeth in chewing.

The invention discloses a transparent rubber pad of a heparin cap for a remaining needle. The transparent rubber pad mainly comprises 100 parts of polyisoprene rubber, 3-10 parts of a thermoplastic elastomer, 1-10 parts of alkali white carbon black and 0.3-1.5 parts of peroxide. The invention also discloses a production method of the transparent rubber pad of the heparin cap for the remaining needle. By using the production method, the problems that the existing transparent rubber pad of the heparin cap for the remaining needle is not high in transparency, the chemical cleanliness of the existing transparent rubber pad needs to be improved, and particularly, the pH change value and the ultraviolet absorbance of the transparent rubber pad easily exceed the standard are solved, the size of each curing burr are controlled within 0.03-0.10mm, and the cured transparent rubber pad of the heparin cap can be directly frozen and deburred; and meanwhile, the surface of a curing mould is treated by using a mirror polishing process, so that the transparent rubber pad of the heparin cap, which is provided with relatively thin curing burrs, is conveniently cured and demoulded. The transparent rubber pad of the heparin cap for the remaining needle, disclosed by the invention, is resistant to multiple punctures, excellent in cleaning performance and compatibility with tube sealing fluid of the heparin cap and low in extractable substance content.

Disclosed is a method for producing an anion exchange resin comprising the steps (1-a)-(1-e) below, wherein residual impurities and formation of decomposed products are suppressed and dissolution of a material is also suppressed. (1-a) a step for obtaining a crosslinked copolymer by copolymerizing a monovinyl aromatic monomer and a crosslinkable aromatic monomer (1-b) a step for setting the content of a specific dissolvable compound to 400 [mu]g or less per 1 g of the crosslinked copolymer (1-c) a step for introducing 80% by mole or less of a haloalkyl group relative to the monovinyl aromaticmonomer by haloalkylating the crosslinked copolymer (1-d) a step for removing the specific dissolvable compound from the haloalkylated crosslinked copolymer (1-e) a step for reacting the haloalkylated crosslinked copolymer with an amine compound. The present invention also relates to a method of producing an anion exchange resin, an cation exchange resin and a method of producing an cation exchange resin, a mixed bed resin and ultra-pure water for cleaning electronic device and/or material.

The invention relates to a preparation method of a self-adhesive and degradable disposable tablecloth. The self-adhesive and degradable disposable tablecloth comprises an adhesive layer, an inner layer and an outer layer and is composed of components including C6LLDPE (carbon 6 linear low-density polyethylene), mLLDPE (metallocene linear low-density polyethylene), PIB (polyisobutylene), starch, polylactic acid, glycerinum, bulking agent, soy protein, C8LLDPE, LDPE (low-density polyethylene), cycloolefin, anti-blocking agent and calcium carbonate. The self-adhesive and degradable disposable tablecloth prepared through the preparation method has the advantages of being non-toxic, environmentally friendly, pollution-free, light in weight, low in water absorption, high in breaking elongation,biologically degradable and free from recycling.

The invention belongs to the field of food processing, and in particular relates to sugar-controlled quick-frozen dumplings and a preparation method thereof. The sugar-controlled quick-frozen dumplings are characterized by comprising the following components in parts by mass: 55-85 parts of high-gluten wheat flour and 15-50 parts of tartary buckwheat flour, and then adding 0.3-2.5 parts of modified starch, 0.2-1.5 parts of a quick-frozen dumpling improver and 30-60 parts of water by total mass of high-gluten wheat flour and tartary buckwheat flour. According to the formula of the improved dumpling wrapper, tartary buckwheat flour and modified starch are added on the basis of the traditional formula, the sugar rising index of the dumplings is reduced, and diabetic patients can be helped to effectively control the postprandial blood sugar fluctuation; in addition, the sugar-controlled tartary buckwheat dumplings are rich in dietary fiber, can enhance satiety and inhibit the absorption of intestinal tract in glucose and cholesterol. The quick-freezing technology is adopted, the nutritional ingredients in the dumplings are retained to the maximum extent, and the dumplings are convenient and fast to eat.

The invention provides an extraction method suitable for water-soluble heat-sensitive ingredients of traditional Chinese medicines. The extraction method suitable for water-soluble heat-sensitive ingredients of traditional Chinese medicines comprises the following step: adding water at the temperature of 95-100 DEG C in medicinal materials to soak and extract the medicinal materials, wherein soaking time lasts for 10-30 min, the extraction times are 3-5 times, and the environment temperature is 20-30 DEG C. In the provided extraction method, boiling water at the temperature of 95-100 DEG C isadopted to repeatedly soak and extract the traditional Chinese medicinal materials, by strictly control over the soaking time and the extraction times, it ensures that effective constituents are leached fully, and loss of the heat-sensitive ingredients is reduced. The used boiling water can further kill microorganisms in water and an extracting solution, the storage time of the extracting solutionis prolonged, the risks of unqualified bacterial inspection of finished products are reduced, meanwhile, soluble substances of water-soluble impurities in the medicinal materials are further reduced,the content of the effective constituents is increased, and the dosage of a patient is reduced.

The invention relates to a rubber material for a sealing cover of an automatic injector and a preparation process thereof. The rubber material comprises a sealing plug and a sealing sleeve, wherein the sealing plug is prepared from the following components in parts by weight: 45 to 55 parts of silica gel C6-235, 45 to 55 parts of silica gel C6-265, 0.8 to 1.2 parts of 2,5-dimethyl-2,5-bis-(tert-butyl peroxide) hexane and 0.8 to 1.2 parts of carbon black; and the sealing sleeve is prepared from the following components in parts by weight: 95 to 105 parts of silica gel C6-235, 0.5 to 1.5 parts of 2,5-dimethyl-2,5-bis-(tert-butyl peroxide) hexane and 0.5 to 1.5 parts of carbon black. The process is simple, environmental pollution is avoided, production conditions are easy to control, the product quality is good, a small amount of dissolved substances are generated, the sealing sleeve does not need to be opened and directly enters the blood vessels of the human body together with the injection, and no harm is caused to the human body.

The purpose of the present invention is to provide polyurethane resin forming compositions which are for use in sealing a membrane module and exhibit excellent curability and castability and low turbidity and which can ensure excellent flatness of a cut section when used as a sealing material for a membrane module and which can form a polyurethane resin that is less susceptible to elution. The present invention provides two polyurethane resin forming compositions which are for use in sealing a membrane module, namely, a polyurethane resin forming composition which comprises a chief material that contains (A) an organic polyisocyanate component and a curing agent that contains (B) a polyol component and which is characterized in that the chief material and/or the curing agent contains (C) a bicyclic amidinium salt represented by general formula (1), and a polyurethane resin forming composition which is characterized by comprising a chief material that comprises (A) an organic polyisocyanate component, a curing agent that comprises (B) a polyol component, and (C) a bicyclic amidinium salt represented by general formula (1).

The invention relates to the technical field of biomedicine, in particular to organ perfusion equipment which is characterized in that a water outlet of a thermostat water bath is communicated with awater inlet of a serpentine condenser pipe through a pipeline, and a water outlet of the serpentine condenser pipe is communicated with a constant-temperature water inlet of the thermostat water baththrough a pipeline; a perfusion bottle is arranged in the thermostat water bath, the perfusion bottle is sequentially communicated with a first peristaltic pump and the serpentine condenser pipe through a pipeline, a water outlet in the upper end of an inner pipe of the serpentine condenser pipe is used for being communicated with an inferior vena cava or a portal vena cava of a liver arranged atthe upper end of the Buchner funnel through a pipeline; and a liquid receiving cup is arranged vertically below the Buchner funnel. The equipment has the beneficial effects that the thermostat water bath is connected with the serpentine condenser pipe to maintain the constant temperature of a perfusate flowing in the pipeline; the peristaltic pump replaces manual operation to propel the perfusate,so that the flow velocity of the perfusate can be stably and accurately controlled, and the perfusion operation can be stably and continuously operated for a long time; a perfused enzyme liquid can be recycled, so that the perfusion operation cost is reduced.