335results about How to "Appropriate hardness" patented technology

The invention provides an orally disintegrating tablet containing (a) one or more saccharides or sugar alcohols selected from the group consisting of mannitol, lactose, xylitol, sucrose, erythritol and glucose and (b) low substituted hydroxypropylcellulose and substantially free of a starch disintegrant, which tablet is produced by steps of granulating a composition containing the above-mentioned components (a) and (b) by an agitation granulation method, and compression-molding the obtained granulation product. The invention also provides a method of producing an orally disintegrating tablet substantially free of a starch disintegrant, including steps of granulating a composition containing the above-mentioned components by an agitation granulation method, and compression-molding the obtained granulation product.

The invention discloses a nerve conduit and a preparation method thereof. The nerve conduit consists of an inner layer, an outer layer and at least one minitype cavity for storing a bioactive factor solution, wherein the inner layer is of a hydrophilic cell scaffold layer, and the outer layer is of a hydrophobic nerve conduit scaffold layer. The nerve conduit can further comprise a transition layer between the inner layer and the outer layer. The preparation method of the nerve conduit comprises the steps of preparing the inner layer by adopting an electrostatic spinning method, then adding the material for preparing the cavity, then preparing the outer layer, and taking out or dissolving the material for preparing the cavity, thus obtaining the nerve conduit. The nerve conduit has the minitype cavity, so that bioactive factors can be loaded by a manner of injection, soaking and the like as required before operation, thus not only leading the production quality to be easily controlled, but also being capable of greatly improving the survival rate of the bioactive factors, more efficiently promoting the regeneration of nerves, and enhancing the restoration effect of nerves.

During the preparation of organic and inorganic silicon compound modified water-thinned polyurethane emulsion, organic silicon compound is introduced into polyurethane in the high molecular synthesis or water emulsifying chain expansion, and inorganic silicon compound in certain amount is added into the emulsion for further chain expansion and crosslinking. The method of the present invention is convenient in operation, and the prepared water-thinned polyurethane emulsion can form film with high water resistance, high brightness, proper hardness and other advantages. Compared with un-modified water-thinned polyurethane paint, the present invention has obviously raised technological performance and may be used for wood ware, etc.

A drip irrigation device for distributing a portion of the water flowing in an irrigation pipe to a plant, the device comprising: a housing formed from a relatively soft plastic; and a connector for coupling the housing to the irrigation pipe comprising a bayonet for puncturing the irrigation pipe formed from a relatively hard material over-molded onto a feature of the housing made from the soft plastic.

[Problems to be Solved] To provide an oil base having appropriate hardness and viscosity and excellent spreadability, a process for producing same, and a cosmetic material containing the oil base [Solution means] The oil base of the present invention is an oil base containing an ester condensate obtained by a reaction between polyglycerol, 12-hydroxystearic acid, and hydrogenated dimer acid, the oil base having a three-dimensional network structure in which hydrogenated dimer acid is condensed with a hydroxyl group of each of the polyglycerol and 12-hydroxystearic acid.

The invention discloses a steel wire rod for a high-strength boron-contained and annealing-free fastening piece and a preparation method thereof. The steel wire rod for the high-strength boron-contained and annealing-free fastening piece comprises the following chemical components in percentage by weight: 0.20-0.24 wt% of C, Si not more than 0.04 wt%, 0.50-0.70 wt% of Mn, 0.25-0.35 wt% of Cr, 0.035-0.055 wt% of Ti, 0.035-0.055 wt% of Als, 0.0045-0.0060 wt% of B, S not more than 0.004 wt%, P not more than 0.012 wt%, O not more than 0.0015 wt%, H not more than 0.00015 wt%, and the balance of Fe and inevitable impurities. The preparation method comprises the steps of molten iron pretreatment desulfurization, molten steel smelting, deoxidation alloying, molten steel LF furnace refining, molten steel VD furnace vacuum refining, molten steel pouring, steel blank heating and controlled rolling and controlled cooling. The steel wire rod for high-strength boron-contained and annealing-free fastening piece is high in cleanness, few in inclusions, excellent in hardenability, proper in strength and hardness and excellent in ductility and toughness and cold heading and upsetting deformation capacity, can directly form a 10.9-grade high-level standard part through cold heading without needing spheroidizing annealing, reduces the processing procedures and the steel consumption, and reduces the production cost.

The invention discloses a mirror back protective coating for a colored coated mirror. The mirror back protective coating for the colored coated mirror comprises a primer and a finish, wherein the primer comprises 25 to 32 weight percent of acrylic modified alkyd resin with the solid content of 50 percent, 8 to 15 weight percent of epoxy resin with the solid content of between 48 and 52 percent, and 6 to 10 weight percent of amino resin; and the finish comprises 30 to 40 weight percent of acrylic modified alkyd resin with the solid content of 50 percent, 5 to 10 weight percent of epoxy resin with the solid content of between 48 and 52 percent, and 4 to 8 weight percent of amino resin. Heavy metal compounds with anticorrosion performance are not used in the mirror back protective coating, so the coating is environment-friendly. The coating can be prepared by a large-scale curtain coating molding process, can be quickly oven-dried, can be completely cured after being roasted at the temperature of between 80 and 100 DEG C for 4 to 6 minutes, has excellent physical and chemical properties, and is favorable for large-scale industrialized production.

An object of the present invention is to provide a composition for forming an environment friendly antifouling coating film that is unlikely to cause a hairline crack and like coating film defects even when immersed in seawater for a long time, and that prevents or inhibits attachment of slime. An antifouling coating composition of the invention comprises: (A) a triorganosilyl ester-containing copolymer obtained by a mixture of (a) a triorganosilyl (meth)acrylate monomer represented by a general formula (1): R1 is a hydrogen atom or a methyl, and R2, R3, and R4 are equal or different each other, and each represent an alkyl group having 3 to 6 carbons and branched on α-position or a phenyl group, and (b) an ethylenically unsaturated monomer copolymerizable with the triorganosilyl (meth)acrylate monomer, (B) a modified rosin salt which is a salt of a modified rosin and zinc and / or copper, the modified rosin containing, in an amount of 80 weight % or more, two or more members selected from the group consisting of dihydroabietic acid, tetrahydroabietic acid, dehydroabietic acid, pimaric acid, isopimaric acid, and dihydropimaric acid.

A rubber composition for a tire having greatly shortened vulcanization time, good silica dispersibility and, after vulcanization, superior braking capability, abrasion resistance and low rolling resistance, comprising (A) 100 parts by weight of a conjugated diene-based rubber, (B) 90 to 150 parts by weight of a reinforcing filler containing silica, (C) 0 to 40 parts by weight of an oil, (D) 4 to 20% by weight, based upon the weight of the silica, a silane coupling agent having the formula (I):Y3Si—CnH2nA   (I)wherein Y indicates a C1 to C25 alkyl or alkoxyl group or a chloro group, the three Y's may be the same or different, n is an integer of 1 to 6, A is a mercapto group or SmZ group, where Z is the group:and m is an integer of 1 to 6)(E) sulfur, and (F) 0.05 to 5 parts by weight of a thiuram disulfide-based vulcanization accelerator having the formula (II):wherein R5, R6, R7 and R8 are independently hydrocarbon groups having 2 to 18 carbon atoms, is provided.

Creamy wash composition containing (A) at least one N-long-chain-acyl acidic amino acid or a salt thereof, (B) at least one polyhydric alcohol, (C) at least one nonionic surfactant, (D) at least one salt of a divalent or higher cation and a monovalent or higher anion, and (E) water are stable at a low temperature and exhibit good foaming properties and a good feeling upon use.

The invention discloses a plant type compound oil phase for an emulsion explosive. The compound oil phase comprises main components of plant wax and plant oil, and is characterized by comprising the following materials by mass: 20%-50% of the plant wax, 10%-25% of the plant oil, 10%-25% of light dewaxing paste, 20%-35% of an emulsifier and 5%-15% of additives, wherein the total mass percentage of the materials is 100%. The compound oil phase prepared from the plant wax and the plant oil is applied to the industrial explosive production, so that a production process is simplified, and the production process quality is conveniently controlled; the compound oil phase is proper in drop melting point, acid value, needle penetration degree and kinematic viscosity, and is an ideal emulsion explosive oil phase material; the produced emulsion explosive is good in explosion performance; the plant oil phase material is clean, environment-friendly, low in price and highly available, and can effectively reduce the production cost; the compound oil phase used for producing the emulsion explosive has good economic and social benefits and is convenient for industrialization production and application.