Crosslinked molding, sound medium using it and ultrasonic coupler
First Claim
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1. A crosslinked molding, wherein said molding comprises a molded composition comprising:
- a rubbery elastic body, wherein said rubbery elastic body comprises a hydrophobic high molecular weight material having at least one double bond in the molecule, dissolved in an oily component,and wherein said composition has been crosslinked by the addition of an organic peroxide or by irradiation with radiation.
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Abstract
A crosslinked molding, a process for producing the same, a sound medium using the same, and an ultrasonic coupler using the same are disclosed. The crosslinked molding comprises a crosslinked molding comprising a composition containing a rubbery elastic body comprising a hydrophobic high molecular weight material having at least one double bond in the molecule and an oily component dissolving the rubbery elastic body, the composition being crosslinked by the addition of an organic peroxide or by the irradiation of a radiation and molded.
18 Citations
20 Claims
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1. A crosslinked molding, wherein said molding comprises a molded composition comprising:
a rubbery elastic body, wherein said rubbery elastic body comprises a hydrophobic high molecular weight material having at least one double bond in the molecule, dissolved in an oily component, and wherein said composition has been crosslinked by the addition of an organic peroxide or by irradiation with radiation. - View Dependent Claims (2, 3, 4, 5, 6, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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7. A process for producing a crosslinked molding comprising the steps of:
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(1) pouring a composition for forming the crosslinked molding into a mold having a definite form, or forming a film, wherein said composition comprises; a first rubber component comprising a hydrophobic high molecular weight material, wherein said material is compatible with an oily component and has at least one double bond in the molecule dissolved in an oily component; (2) forming on the surface of an oil resistant plastic substrate a primer layer composition comprising; (a) a synthetic resin component, wherein said resin component is not dissolved in or swelled by the oily component of the crosslinked molding composition, and (b) a second rubber component comprising a hydrophobic high molecular weight material having at least one double bond in the molecule, wherein said second rubber component is compatible with the synthetic resin component; (3) contacting the surface of the composition for forming the crosslinked molding poured into the mold, or formed into a film in step (1), with the primer layer composition on the surface of the oil resistant plastic substrate of step (2); and (4) crosslinking each composition contacted in step (3). - View Dependent Claims (8, 9, 10)
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Specification