334results about How to "Appropriate hardness" patented technology

A solid cosmetic comprising components (A), (B), (C), and (D) below: (A) a polyamide resin; (B) diisostearyl malate; (C) a polyglyceryl isostearate; and (D) a liquid oil; and not containing a wax when the component (A) comprises only an ester-terminated polyamide resin.

A new root canal filling point which is physicochemically stable, is not toxic to periapical tissue, can be sterilized and x-rayed; and has high elasticity and fracture resistance which enables the root canal filling point to be pressure-inserted into an even narrow or curved root canal. The root canal filling point is made of a copolymer consisting of propylene and ethylene, and a contrast medium.

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.

The finish for pre-coating coiled material consists of saturated polyester resin with linear and/or branched chain structure and acid value less than 5 mg KOH/g 10-50 wt%, amino resin 1-30 wt%, polyisocyanate closed with at least two kinds of closing agent with active hydrogen 1-30 wt%, pigment slurry 40-87 wt% and assistant 0.1-5.0 wt%. It is homogeneous white ropy liquid mixture, and has coating-4 viscosity at 23 deg.c 20-200 sec and solid content 40-80 wt%. It is coated and stoved at 200-260 deg.c for 20-90 sec to form dry film of 8-35 micron thickness. The film can fulfill the requirement for pre-coating coiled material.

A filled friction ring of teflon for oiless lubricating is prepared from teglon (100 wt. portions), graphite (1-10%), carbon black (20-50%), glass fibre (0-30%) and MoS2 (0-5%) through mixing, die pressing under 40-70 MPa for 5-40 min, sintering and machining. Its advantages are high lubricating performance and long service life.

The invention relates to an ultrasound dynamo thermosetting resin radical friction material and friction layer making method and the assistant tools. The material is made up of 35-80% thermosetting resin, 0-34% curing agent, 5-15% nanometer antifriction powder, 5-15% carbon fiber, 0-10% copper oxide, 0-5% polytetrafluoroethylene, 5-10% copper powder, 2-10% graphite, 0-5% nitrile butadiene rubber, and 0-10% mineral substance. The invention has excellent wear resistance, suitable rigidity, good output characteristic, etc. And the method is low cost and simple. The assistant tool is made up of moving bar and base.

This invention provides a protective sheet for glass etching, having excellent etching solution penetration resistance, non-contaminating property and peeling efficiency. The protective sheet comprises a substrate and a PSA layer provided on one face of the substrate, such that, when the protective sheet is adhered to a non-etching area when etching glass, it protects the non-etching area from an etching solution. The PSA layer is constituted with a PSA having a gel fraction of 60% or higher. The PSA is an acrylic PSA comprising an acrylic polymer as a primary component. The acrylic polymer is synthesized by polymerizing starting monomers comprising, as a primary monomer, a monomer represented by a formula: CH₂═CR¹COOR² (R¹ is a hydrogen atom or a methyl group, and R² is an alkyl group). The primary monomer comprises as a primary component a monomer with R² being an alkyl group having 6 or more carbons.

A flat type wave gear device is realized having a much improved load capacity. When d is an amount of radial flexing at a major axis location of a rim neutral circle of the flexible external gear of a flat type wave gear device flexed into an elliptical shape and t is the rim thickness of the flexible external gear, then

(0.5237 Ln(R)−1.32)d≦t≦(0.8728 Ln(R)−2.2)d

when the reduction ratio R of the wave gear device is less than 80, and

(1.5499 Ln(R)−5.8099)d≦t≦(2.5832 Ln(R)−9.6832)d

when the reduction ratio R of the wave gear device is 80 or more. Using this setting makes it possible to increase the tooth root fatigue limit strength of the flexible external gear, thereby making it possible to improve the load capacity of the flexible external gear.

The invention provides a rubber composition for golf balls which includes (A) a base rubber containing a polybutadiene having a cis-1,4 bond content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or a metal salt thereof, and (C) two or more organic peroxides which include (C-1) an organic peroxide having a solubility parameter (SP) of 9 or less and (C-2) an organic peroxide having a solubility parameter (SP) of 10 or more. The golf ball rubber composition of the invention enables a high-quality molded and crosslinked product having a suitable hardness and a high resilience to be obtained.

An object of the present invention is to provide a blade for an electro-photographic device formed by two layers, which undergoes minimal permanent deformation and offers excellent mechanical strength, wear resistance and compliance to the use environment.

A blade for an electro-photographic device whose edge and base are constituted by different materials, wherein such blade for an electro-photographic device is characterized in that at least the edge is made of ester polyurethane and the base other than the edge is made of ether polyurethane.

A rubber composition for shoe soles characterized by being obtained by compounding 100 parts by mass of a polymer ingredient which comprises 10-90 mass% vinyl/cis-polybutadiene rubber (A) comprising 1,4-cis-polybutadiene (a) and 1,2-polybutadiene crystal fibers (b) which have an average fiber length of 200 nm or shorter, an average aspect ratio of 10 or lower, and a melting point of 170 DEG C or higher and in which the number of the crystal fibers having a fiber length of 200 nm or shorter is 90 or more per 25 [mu]m<2>, 10-50 mass% diene rubber (B) other than the rubber (A), and 2-50 mass% thermoplastic polymer (C) with 2-50 parts by mass of a rubber reinforcement (D). This rubber composition for shoe soles is lightweight, has a moderate hardness, is excellent in tensile strength, tear strength, wearing resistance, and gripping properties, and has excellent dimensional stability after foaming. It is suitable for use as the outer soles of shoes.

The invention relates to a high-capacity and high-compaction artificial graphite negative electrode material, a preparation method thereof and a lithium ion battery. The preparation method comprises the steps of selecting at least two of pitch coke, petroleum coke and needle coke as graphite raw materials, and uniformly mixing with a coating agent to obtain a mixed material; and performing graphitization on the mixed material at 3,000-3,300 DEG C under a protection atmosphere to obtain the high-capacity and high-compaction artificial graphite negative electrode material. According to the preparation method of the high-capacity and high-compaction artificial graphite negative electrode material, the problem that the material is easy to press excessively due to inappropriate selection of theraw material cokes is solved by selection and matching of raw material cokes with different hardness, and the prepared graphite negative electrode material has appropriate hardness and rebound rate.A pole plate prepared from the artificial graphite negative electrode material is high in compaction density, an electrolyte is rapidly immersed, and the electrochemical performance of the lithium ionbattery is prolonged.

An object of the present invention is to provide a composition for forming an environment friendly antifouling coating film that can effectively exhibit an antifouling effect in seawater for a long period of time and furthermore exhibits a small temperature dependency of the coating film dissolving amount. The present invention provides an antifouling coating composition comprising: (A) a triorganosilyl ester-containing copolymer obtained by a mixture of (a) a triorganosilyl methacrylate monomer represented by a general formula (1) in which R¹, R², and R³ 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) a methoxyalkyl methacrylate monomer represented by a general formula (2) in which R4 represents an alkylene group having 2 to 4 carbons, wherein a content ratio of the monomer (a) in the mixture is 45 to 65 weight %, and a total content of the monomer (a) and the monomer (b) in the mixture is 80 weight % or more, and a copper salt that is at least one member selected from the group consisting of rosin copper salts and copper salts of rosin derivatives.

A backlight module comprises a back frame, a light guide plate disposed in the back frame, and elastic corner parts for locating the light guide plate. The elastic corner parts are disposed at diagonal corners of the backlight module and sandwiched between the back frame and the light guide plate. The elastic corner parts can locate the light guide plate in the back frame, and the desirable cushioning performance and appropriate hardness of the elastic corner parts provide a desirable space for thermal expansion and contraction of the light guide plate. Meanwhile, the elastic corner part corresponding to the light incident side is greater than that of the non-light-incident sides for ensuring the light mixing distance between the LEDs and the light incident side of the light guide plate, which can improve the light unitization factor of the LEDs and save both the product cost and the mold cost.

The invention discloses a nerve conduit and a preparation method thereof. The nerve conduit comprises an inner layer, a transition layer, an outer layer and at least one cavity used for storing a bioactive factor solution, wherein the outer surface of the inner layer is sequentially coated with the transition layer and the outer layer; the cavity is positioned between the inner surface of the outer layer and the outer surface of the transition layer and/or between the outer surface of the inner layer and the inner surface of the transition layer; the inner layer is a hydrophilic cytoskeleton layer made by adopting an electrostatic spinning method; and the outer layer is a hydrophobic nerve conduit scaffold layer made by adopting the electrostatic spinning method. The nerve conduit can be used for loading bioactive factors before an operation in a required mode, such as injection, soaking and the like due to the miniature cavity, so that the production quality of the product is easy to control, the survival rate of the bioactive factor can be greatly improved, the nerve regeneration can be promoted in high efficiency, and the nerve repairing effect can be reinforced.

The invention relates to a copper clad laminate comprising a glass fiber substrate and at least one copper foil combined on at least one side surface of the glass fiber substrate, wherein the glass fiber substrate is formed by the steps of impregnating a piece of glass fiber cloth in an impregnation liquid to prepare a half-solid film and then combining the half-solid film with the copper foils to prepare the copper clad laminate through pressuring and heating, wherein the impregnation liquid comprises a resin and a filler of 5-80 PHR (Parts per Hundreds of Resin), and the filler is a non-crystalline net-structured composite material which is co-constituted by silicon dioxide and one or more of IIA or IIIA metallic oxides. The copper clad laminate has appropriate hardness and linear expansion coefficient.

The invention discloses an organic-inorganic compound fertilizer for high-yield paddy rice. The organic-inorganic compound fertilizer is prepared from the following raw materials in parts by weight: 20 to 50 parts of urea, 5 to 20 parts of monoammonium phosphate, 30 to 50 parts of potassium polyphosphate, 30 to 50 parts of seabird droppings, 15 to 35 parts of fermented paddy rice straws, 5 to 18 parts of fermented cow dung, 15 to 30 parts of bone dregs, 5 to 15 parts of humic acid, 2 to 8 parts of modified turf, 1 to 7 parts of paddy rice straws, 15 to 19 parts of coal ash, 5 to 12 parts of attapulgite, 1 to 6 parts of kaolin, 1 to 3 parts of manganese sulfate, 1 to 2 parts of ferrous sulfate, 1 to 4 parts of carbonic lime, 0.01 to 0.07 part of compound enzyme and 0.01 to 0.05 part of compound bacteria. A product of the organic-inorganic compound fertilizer is environment-friendly, less in pesticide residue, balanced in nutrition and high in yield of paddy rice.

The invention provides edible tableware and belongs to the technical field of new materials of food. The edible tableware comprises a tableware-shaped biscuit main body, wherein the surface of the biscuit main body is covered with an edible waterproofing membrane. The biscuit main body comprises the following raw materials in parts by weight: 20-30 parts of wheat flour, 10-15 parts of sorghum flour, 5-8 parts of rice flour, 5-8 parts of starch, 6-12 parts of eggs and 0-4 parts of a flavoring agent, and the flavoring agent is natural fruit and vegetable products. A preparation process comprisesthe following steps: S1, adding water to the raw materials of the biscuit main body, performing mixing, then performing pressing to obtain a tableware-shaped biscuit main body, performing cooking toobtain the biscuit main body, and forming the waterproofing membrane on the surface of the biscuit main body. The edible tableware provided by the invention can be substituted for disposable tablewarein use, such as plastic bowls, plastic spoons, disposable chopsticks, plastic or fibrous dinner plates, plastic water cups and the like, and the edible tableware is healthy, safe and environment-friendly and has economic value, social value and broad application prospects.

Provided is a rubber composition for shoe soles prepared by blending 100 mass parts of a polymer component comprising 10 to 90 mass % of a vinyl/cis-polybutadiene rubber (A) comprising 1,4-cis-polybutadiene (a) and 1,2-polybutadiene crystalline fibers (b) in which the crystalline fibers have an average fiber length of 200 nm or less and an average aspect ratio of 10 or less, in which the number of the crystalline fibers having a fiber length of 200 nm or less is 90 fibers or more per 25 μm² and in which a melting point is 170° C. or higher, 10 to 50 mass % of a diene base rubber (B) other than the polybutadiene rubber (A) and 2 to 50 mass % of a thermoplastic polymer (C) with 2 to 50 mass parts of a rubber reinforcing material (D).

The above rubber composition for shoe soles has a light weight and an appropriate hardness and is excellent in a tensile strength, a tear strength, an abrasion resistance and a gripping property and excellent as well in a dimensional stability after foaming, and it is suited as an outsole for shoes.