38results about How to "Sufficient heat resistance" patented technology

To provide a photosensitive resin composition capable of being used for forming a spacer which has high hardness, little plastic deformation amount when it is compressed, heat resistance required as a permanent film, and chemical durability; and the spacer formed by using the same. The photosensitive resin composition for the display panel contains, which has the characteristics of (A) an alkali-soluble, carboxyl group-containing photosensitive resin, (B) a polymerizable compound having an ethylenic unsaturated bond, (C) a photopolymerization initiator, and (D) a compound having a oxazin ring.

A MEMS microphone with a built-in textile material protecting screen comprises a microphone body having an opening thereat is arranged a textile material protecting screen which is built-in in the microphone body, during the production phase of the MEMS device called “packaging”.

An electric machine according to the invention comprises a rotor means (10) and a stator means (20) surrounding the rotor means having radially extending slots (21). Slot lock components (14) are provided in at least some of said slots. The slot lock extends in said slot essentially to the periphery of the rotor bore of the stator means. The relative permeability ( u r) and the saturated flux density of the slot lock means is essentially good. In the inventive method the density of magnetic flux effecting on the rotor means surface is made more uniform by slot lock components described above.

The present invention provides an image recording material as well as a protective film and an image display material using the same, the image recording material comprising at least: a transparent substrate; an image-receiving layer for forming an image by an electrophotographic system and disposed on one side of the substrate; and a function controlling means disposed on the other side of the substrate; wherein the image-receiving layer include a polyester resin which comprises a structural unit represented by the structural formula (I) and which has a number average molecular weight of 12,000 to 45,000: Structural formula (I) wherein n and m represent integers such that a molar ratio n/m is from 1 to 9.

A thermally curable solder resist composition for a flexible printed circuit board is provided. The solder resist composition includes (a) 50-100 parts by weight of an epoxy resin, wherein the epoxy resin includes at least an aliphatic polyester modified epoxy resin having formula (I) or (II), in which, each of R₁ and R₂, independently, is a C_6-38 saturated or an unsaturated carbon chain, R₃ is ether, phenyl, a C_6-38 heterocyclic or C_6-38 saturated carbon chain, n is an integer of 1-10 and the aliphatic polyester modified epoxy resin had a molecular weight of 1000-5000; (b) 1-10 parts by weight of a curing agent; and (c) 1-10 parts by weight of a catalyst.

The invention relates to a polyethylene composite material for injection molding and a preparation method thereof, and belongs to the technical field of high polymer materials. The polyethylene composite material for injection molding is mainly prepared from auxiliaries and the following raw materials in parts by weight: 20-30 parts of coupling agent modified calcium carbonate, 50-70 parts of high-density polyethylene, 20-40 parts of linear low-density polyethylene and 10-20 parts of a toughening agent, wherein the melt index of the HDPE is 6-10 g/10 min, and the melt index of the LLDPE is 1-3g/10min. The material realizes the balance of rigidity and toughness and is suitable for injection processing because of fluidity, the toughness and environmental cracking resistance are improved by the LLDPE, the normal-temperature toughness and low-temperature toughness are improved by the toughening agent, and the coupling agent modified calcium carbonate and the polymer have good compatibility, so that the polyethylene composite material for injection molding has enough rigidity and heat resistance, and the material can maintain better performance in high-temperature, normal-temperature and low-temperature environments.

The invention relates to a motor vehicle door lock (1) which comprises a locking mechanism having: a rotary latch and at least one pawl; a release lever (12); a locking device (21), the release lever (12) cooperating with the locking device (21) via a coupling lever (13); and an actuating lever (8), the locking mechanism being at least indirectly unlockable by means of the actuating lever (8). An additional motor vehicle door lock (2) is provided, and said vehicle door lock (2) can be actuated via a second coupling lever (14) and by means of the actuating lever (8), the first and the second coupling lever (13, 14) having a common pivot axis (15).

The invention relates to the field of molding sand casting, in particular to paint used for casting. The paint is characterized by comprising the following ingredients in parts by mass: 10 to 20 parts of phenolic resin, 15 to 25 parts of rosin, 40 to 50 parts of carriers, 5 to 8 parts of zircon powder, 2 to 4 parts of carbon fiber, 5 to 6 parts of additives, 10 to 15 parts of ceramic powder and 2 to 5 parts of fentin hydroxide. The paint has sufficient rapid-heating-resistant performance and high-temperature stability, and can bear the thermal stress action during high-temperature intense heating; coatings do not crack or peel off; and good suspension stability and good bondability are achieved.

The object of the invention is to provide a manufacturing method of a novel styrene block copolymer mixture elastic fiber. A direct result of the invention is to provide a polyolefin elastic fiber which does not require crosslinking. The elastic fiber has sufficient elasticity and heat resistance without irradiation, can meet the temperature requirements of normal processes such as dyeing, dryingand heat setting of most textile fabrics or elastic cords, and significantly reduces the production cost and simplifies the production process. A novel styrene block copolymer mixture is mainly prepared from a grafted styrene block copolymer A and crystalline thermoplastic engineering plastic B according to a weight ratio of 90:10 to 70:30. The styrene block copolymer A is a grafted styrene blockcopolymer, and the crystalline thermoplastic engineering plastic B has a density of 0.90 to 1.40 g/cm<3> and a melting point between 160 and 260 DEG C.

The invention relates to the technical field of tire burst prevention, in particular to a polyamide composite material for a safety device of a run-flat tire inner support body and a preparation method thereof. The material provides enough supporting strength, toughness, wear resistance, heat resistance and the like for a tire. The material is applicable to explosion-proof tires of special military police vehicles, operating passenger cars, operating trucks, urban buses and tractors. The preparation method of the polyamide composite material for the safety device of the run-flat tire inner support body thereof is simple and feasible, and is suitable for large-scale production and application.

The invention relates to the field of steam stoves, in particular to an integrated steam stove with waste heat recovery and energy saving. The invention comprises a main body of a steam stove, a combustion chamber is arranged in the main body of the steam stove, and a burner is installed in the combustion chamber; a steam chamber and a plurality of waste heat exchange cavities connected in sequence are also arranged in the main body of the steam stove, and a steam outlet is arranged on the steam chamber , the smoke outlet of the combustion chamber is connected with a heat conduction mechanism, the heat conduction mechanism passes through the steam chamber, and after passing through the steam chamber, the heat conduction mechanism passes through several waste heat exchange cavities in sequence; The last waste heat exchange cavity in the flow direction is connected with a tap water inlet pipe; a water replenishment tank is installed on the main body of the steam stove, and a float valve is arranged on the replenishment water tank, and the other end of the float valve communicates with the steam chamber through a pipeline. The invention provides a waste heat recovery and energy-saving integrated steam cooker for segmentally recovering waste gas heat and improving the utilization rate of waste heat heat.

A method for fabricating a mounting board with an attached reflector is provided to embody a mounting board with a reflector by preparing a mounting board and a reflector board so that the boards are attached to each other by using adhesive. A plurality of electrodes for mounting a light emitting device are prepared. An inclined surface(32) is formed on the inner wall of a through hole(31) to surround each electrode for mounting the light emitting device, and a reflector board(34) is prepared in which a reflective plating layer is formed on the inclined surface of the through hole. The mounting board is attached to the reflector board by using an adhesive layer. The reflector board is made of a print board material capable of being mechanically processed. The through hole formed in the reflector board can be formed by mechanical processing.

The invention belongs to the field of garbage compression devices, and particularly relates to a movable garbage compression station. The movable garbage compression station comprises a storage box, wherein the storage box is used for storing garbage, and a bottom frame is arranged at the bottom of the storage box. The movable garbage compression station further comprises electric heating devices,wherein the electric heating devices are arranged on the lower side of the storage box and attached to the bottom of the storage box or a heat conduction layer arranged at the bottom of the storage box, at least two electric heating devices are arranged, and all the electric heating devices are connected to a power source in parallel. A heat insulation layer is arranged between the storage box and the bottom frame and located on the sides, opposite to the storage box, of the electric heating devices. Heating operation is conducted by the electric heating devices, and therefore the garbage inthe storage box and the storage box are prevented from being frozen, and the situations that a push shovel can smoothly push and press the garbage, and the garbage can be smoothly discharged are ensured. In addition, at least two electric heating devices are arranged, all the electric heating devices are connected to the power source in parallel, when one of the electric heating devices has a fault and cannot normally heat a bottom plate of the garbage can, other electric heating devices can normally work, and the garbage can can still be heated by the electric heating devices.

The invention relates to a novel block copolymer mixture elastic fiber and a manufacturing method thereof. The method includes the steps of a, providing a novel block copolymer mixture through mixing, wherein the mixture includes at least one styrene block copolymer (SBC) A and at least one thermoplastic polyether ester elastomer (TPEE) B; b, melting the novel block copolymer mixture and then granulating the mixture again through a granulator suitable for granulating copolymers so as to obtain the novel block copolymer mixture obtained after all the components are sufficiently and evenly mixed; c, conducting melt spinning the novel block copolymer mixture to obtain an elastic fiber precursor; d, conducting curing treatment on the elastic fiber precursor to obtain a novel elastic fiber, wherein the weight ratio of the styrene block copolymers A to the thermoplastic polyether ester elastomers B is 90:10 to 10:90.

An electrohydraulic actuating device (10), having an electric motor (1) and having a pump (2) driven by said electric motor, for the operation of a hydraulic control cylinder (8) of a hydraulic unit (3), wherein the motor (1) and the hydraulic unit (3) are each accommodated in a housing part (21, 22) of a housing (20), and wherein the housing (20) is equipped, at least in sections, with outwardlypointing cooling fins (4), wherein the housing (20) has a cuboidal or rectangular cross-sectional shape with substantially straight wall sections (23) situated at least on two opposite sides, which wall sections are formed with planar depressions or cutouts (24) which are continuous in the longitudinal direction, and the cooling fins (4) are provided at least partially in the form of removable plate-like cooling modules (5) which, for the insertion and installation thereof, are adapted in terms of shape and depth to the depressions or cutouts (24) of the housing (20).