Composition for acoustic wave probe, silicone resin for acoustic wave probe using same, acoustic wave probe, ultrasonic probe, acoustic wave measurement device, ultrasonic diagnostic device, photoacoustic wave measurement device, and ultrasonic endoscope
A silicone resin and composition technology, which is applied in ultrasonic/sonic/infrasonic diagnosis, sonic diagnosis, infrasonic diagnosis, etc., can solve the problems of low mechanical strength of silicone resin, and achieve improved tear strength and tensile rupture strength. Effect
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Embodiment 1
[0247] Vinyl-terminated polydimethylsiloxane (manufactured by GELEST, INC., trade name "DMS-V42", mass average molecular weight 72,000) 68 parts by mass, methylhydridosiloxane-dimethylsiloxane copolymer (manufactured by GELEST, INC., trade name "HMS-301", mass average molecular weight 2,000, ratio of methylhydrosiloxane 27mol%) 2 parts by mass, magnesium oxide (specific gravity 3.6, average primary particle size 19nm, hexamethyldihydrosiloxane Silazane (HMDS (surface treatment)) 30 parts by mass was kneaded by a kneader for 2 hours to obtain a uniform paste. After adding 0.05 parts by mass of a platinum catalyst solution (manufactured by GELEST, INC., trade name "SIP6832.2", Pt concentration 2% by mass) and mixing, degassing under reduced pressure was carried out and placed in a metal mold of 150mm x 150mm. Heat treatment was carried out at 60° C. for 3 hours to obtain silicone resin sheets with a thickness of 1 mm and 2 mm, respectively.
Embodiment 2
[0249] As the inorganic compound particles, 30 parts by mass of titanium oxide (specific gravity 4.2, average primary particle diameter 14nm, hexamethyldisilazane (HMDS) surface treatment) was used, and the treatment was carried out in the same manner as in Example 1. , to obtain the prescribed silicone resin sheet.
Embodiment 3
[0251] As the inorganic compound particles, 30 parts by mass of iron oxide (specific gravity 5.2, average primary particle diameter 21 nm, hexamethyldisilazane (HMDS) surface treatment) was used, and the treatment was carried out in the same manner as in Example 1. , to obtain the prescribed silicone resin sheet.
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