66results about How to "Strong tensile properties" patented technology

The invention relates to an electro-optic compound cable for towing, which is an electro-optic compound cable capable of retracting and releasing repeatedly in special occasions, and used for transmitting optical signals and electrical signals. The cable core is formed by twisting high temperature silver-plated leads and optical fiber, and is protected by spiral metal hose at outside, and polyurethane material is extruded outside the steel tube. The cable is composed of a plurality of silver-plated leads, tight tube optical fiber, polyester belting, a spiral stainless steel hose, an aramid fiber twisted layer and a polyurethane jacket; the tight tube optical fiber and the silver-plated leads are twisted into the cable core in an S twisting form, the cable core is wrapped and fixed by the polyester belting, the spiral stainless steel hose is arranged outside the polyester belting, the aramid fiber twisted layer is arranged outside the spiral stainless steel hose, and the polyurethane jacket is extruded outside the aramid fiber twisted layer.

The invention discloses a manufacture method of drum paper of a loudspeaker, pertaining to the technical field of electroacoustic products. The method comprises the following steps: 1) pulping; 2) batching; 3) papermaking; 4) neck strengthening; 5) spraying varnish; 6) spraying glue or throwing glue; 7) cutting material; 8) forming; 9) applying edge glue; 10) attaching and reinforcing. The manufacture method of drum paper of the loudspeaker has the following beneficial effects: physical performance such as filling power, damping performance, light weightness and hardness and softness of the drum paper can be elevated so that the loudspeaker utilizing the drum paper can obtain good sound effect; sounds become softer and gentle so that comfortable and natural sounds that do not arouse fatigue can be obtained; meanwhile, pulp used by the drum paper has better clarity of the low-frequency and middle-frequency sound quality; toughness is improved; and the distortion rate is lower.

The invention relates to a method for processing an antirust film., In weight ratio, a master batch consisting of a plurality of rust inhibitors, an oxygen scavenger and a propellant accounts for 3 percent to 5 percent, other materials consisting of polyethylene resin LDPE accounts for 95 percent to 97 percent and the polyethylene resin LDPE can not contain other additives; according to requirements, an ordinary melt index MI ranges from 3 grams per 10 minutes to 5 grams per 10 minutes; the content of the silicon contained in a slip agent must be less than 1200 ppm and the mixed raw material is extruded by a plastic extruder. the antirust and package can be integrated as one for the antirust film product, which has the following advantages and is characterized in that: the antirust film product meets the requirements for human body and environmental protection; the product can be directly recycled, can be simply and conveniently used, saves labors and increases the efficiency, and has strong antirust capability, has a shipping protection which can reach 2 years and has a warehousing protection which can reach 5 years usually. After receiving the parts which are protected by the packaging of the product, clients can directly install the parts on line without requiring the traditional procedures of re-cleaning and drying, thus greatly reducing the processing cost, eliminating the strict requirement for environmental protection in the workshop is kept clean and dry without needing the strict environmental processing requirements in the traditional process of cleaning and discharging the antirust oil and keeping the environment in the workshop clean and dry.

The invention relates to a butterfly optical cable which comprises a hanging neck protective sleeve, an outer protective sleeve, a hanging neck, hanging wires and butterfly optical cable subunits. Inthe butterfly optical cable, the hanging neck is arranged on each outer protective sleeve; an integrated self-supporting structure has relatively strong tensile resistance; during laying, an independent hanging neck does not need to be additionally used. Good laying performance is provided; by adopting the optical cable, overhead laying of the optical cable can be conveniently implemented; the overhead density is reduced, the optical cable laying cost and labor intensity are reduced, the optical cable laying efficiency is improved, the laying operation is simple, and time and labor are saved;parallel reinforcements are arranged in butterfly protective sleeves, the stress of the laid cable is uniform, and the mechanical properties of the butterfly optical cable are greatly improved.

The invention discloses a dry type electrostatic dust collector. The dry type electrostatic dust collector comprises a shell body, wherein the shell body is internally provided with a discharging electrode and dust collection electrodes located at the two sides of the discharging electrode; the shell body is internally provided with a discharging electrode vibration device and a dust collection electrode vibration device, and is also internally provided with a spiral conveyor located under the dust collection electrodes and the discharging electrode; an ash collection cabin communicated with the inner cavity of the shell body is arranged on the outer side wall of the shell body; the discharging electrode is composed of a carbon steel layer, a carbon fiber glass fiber reinforced plastic layer and a carbon fiber membrane; the carbon steel layer is covered by the carbon fiber glass fiber reinforced plastic layer; and the carbon fiber glass fiber reinforced plastic layer is covered by the carbon fiber membrane. According to the dry type electrostatic dust collector, the corrosion resisting performance of the discharging electrode is good and the whole service life of the dry type electrostatic dust collector is ensured.

The invention relates to a reinforced polyethylene (PE) film and a preparation method thereof, belonging to the technical field of functional packaging materials. The preparation method comprises the following steps: by using modified nano kaolin as a toughener, modified organic montmorillonite as a reinforcer and organic montmorillonite and maleic anhydride grafted PE as compatibilizers, adding a certain lubricant; and by using the PE as the substrate, carrying out blow molding to form the film. The reinforced PE composite film has the advantages of high stability, high barrier property, certain flame retardancy, high stretchability, high elongation at break and favorable aging resistance, can be widely used in the fields of daily supplies, household appliances and the like, and widens the application range of the PE material.

The invention discloses a waterproof, wear-resistant and flame-retardant supper adhesive tape. The adhesive tape comprises an adhesive layer, a middle layer and an outer layer. The outer layer is a polyvinyl chloride waterproof layer; the middle layer is a flame-retardant fiber cloth layer, and the flame-retardant fiber cloth layer is heat sealed on the outer layer; and the adhesive layer is applied to the flame retardant fiber cloth layer. The tape provided by the invention has high stability and can be continuously adhered; the tape does not easily peel off, the wound tape is prevented fromedge warping so that the replacement frequency is effectively reduced; the tape has high mechanical strength, strong tensile strength, and enough thickness; the tape is anti-aging, waterproof, flame-retardant and wear-resistant; and the tape is easy to be applied to bundling or repairing wires, filling construction joints, and material bonding.

The invention discloses a preparation method of an antibacterial repairing type medical non-woven fabric. The preparation method is characterized by including: (1) opening: cleaning blend fibers in bacteria-free water for 2-3 times, and heating for opening; (2) combing to form a net: oscillating the blend fibers by ultrasonic waves with frequencies of 40 kHz and 25kHz, and settling to obtain a blend fiber net; (3) atomized water spraying: using pressurized atomized water to spray the front side and the reverse side of the blend fiber net; (4) drying: drying the blend fiber net in a low temperature after being sprayed by the atomized water; (5) preparing a bamboo fiber layer: preparing the dried blend fiber net into a bamboo fiber net layer according to the steps from (1) to (4); laminating by heat sealing: overlaying a tea fiber net layer with the bamboo fiber net layer, and adding medicament powder prior to laminating. The preparation method has the advantages that the prepared antibacterial repairing type medical non-woven fabric is uniform in thickness, high in stretchability, long in sterilizing effect lasting time and capable of healing a wound quickly and removing wound scars after being used.

The invention relates to a polypropylene film reinforced by modified nano barium sulfate and a preparation method of the polypropylene film and belongs to the technical field of functional packaging materials. The polypropylene film is prepared by using the modified nano barium sulfate as the toughening agent and organic montmorillonite and maleic anhydride grafted polyethylene as the compatibilizer, adding certain reinforcing agent and using PP as base material through blowing. The reinforced composite polypropylene film prepared by the method is good in heat resistance, high in barrier property, high in tensile property, high in breaking elongation rate and good in anti-aging performance, has certain flame retardance, and is widely applicable to fields such as daily necessities and household appliances.