Title:
POLYURETHANE MOLDED BODY, AND SOUND-ABSORBING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2024/063114
Kind Code:
A1
Abstract:
[Problem] To provide a sound-absorbing material and a polyurethane molded body having a sound-absorbing effect. [Solution] A polyurethane molded body 1 comprises: polyurethane pieces 2; a joint part 3 at which a plurality of the polyurethane pieces 2 that are adjacent are joined to each other; and a communication hole 4. The respective pieces 2 are molded such that at least some of the pieces 2 are bent, and at least some of the pieces 2 have an end part 5 that is separated from an adjacent piece 2. A polyurethane molded body 1a of a first embodiment is such that a polyurethane piece has been passed through a sieve having 2 mm openings in advance. In contrast, a polyurethane molded body 1b of a second embodiment is such that a polyurethane piece has not passed through a sieve having 2 mm openings in advance.
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Inventors:
MAKIHARA NOBUYUKI (JP)
Application Number:
PCT/JP2023/034192
Publication Date:
March 28, 2024
Filing Date:
September 21, 2023
Export Citation:
Assignee:
BASF INOAC POLYURETHANE CO LTD (JP)
International Classes:
G10K11/162; B29C43/34; G10K11/16
Foreign References:
| JP2013164541A | 2013-08-22 |
Attorney, Agent or Firm:
YAMAGUCHI Koshiro (JP)
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