189results about How to "Improve tensile strength at break" patented technology

Differentially densified fibrous structures, methods for making same, and processes for treating fibers used in the fibrous structures are provided. More particularly, fibrous structures comprising two or more regions, at least one of which exhibits a density that is at least 1.6 times greater than another region within the fibrous structure, methods for making such fibrous structures and non-naturally occurring fibers useful in such fibrous structures are provided.

The invention belongs to the technical field of plastic tube, and more specifically discloses a modified white graphene composite polypropylene tubular product. The modified white graphene composite polypropylene tubular product is composed of, by weight, 100 parts of polypropylene resin, 0.1 to 10 parts of modified white graphene, 0.05 to 1 part of an anti-oxidant, 0.05 to 1 part of a dispersant. The invention also discloses a preparation method of the modified white graphene composite polypropylene tubular product. The preparation method comprises following steps: preparation of modified white graphene, blending of modified white graphene and polypropylene resin, preparation of modified white graphene polypropylene master batch, and extrusion moulding. Compared with conventional polypropylene tubular product, the modified white graphene composite polypropylene tubular product possesses following advantages: 0 DEG C low temperature impact resistance is improved by 350% or higher, tensile break strength is increased by 30%, Vicat softening point is increased by 5 DEG C, oxygen permeability is reduced by 40%, both thermal conductivity and corrosion resistance are excellent, processing is convenient, cost is relatively low, and practicality is high.

Provided is a composition for an acoustic wave probe, a silicone resin for acoustic wave probe using same, an acoustic wave probe, an ultrasonic probe, an acoustic wave measurement device, an ultrasonic diagnostic device, a photoacoustic wave measurement device, and an ultrasonic endoscope, said composition containing a polysiloxane mixture comprising: a polysiloxane having a vinyl group; a polysiloxane having at least two Si-H groups in the molecular chain thereof; and at least one type of inorganic compound particles. The inorganic compound particles have an average primary particle size of less than 25 nm, and are selected from the group consisting of magnesium oxide, titanium oxide, iron oxide, zinc oxide, zirconium oxide, barium oxide, tin oxide and ytterbium oxide. With this composition for an acoustic wave probe, the silicone resin for acoustic wave probe using same, the acoustic wave probe, the acoustic wave measurement device and the ultrasonic diagnostic device, it is possible to greatly enhance the hardness and mechanical strength (tensile fracture strength, tensile fracture elongation, tear strength and wear resistance) of silicone resins while keeping acoustic wave attenuation low. Moreover, the present invention is capable of enhancing the sensitivity of ultrasonic probes, photoacoustic wave measurement devices and ultrasonic endoscopes using a cMUT as a transducer for ultrasonic diagnosis.