JP2023108600A - 吸音材料ブロック及びその製造方法とこの吸音材料ブロックを用いたスピーカボックス - Google Patents
吸音材料ブロック及びその製造方法とこの吸音材料ブロックを用いたスピーカボックス Download PDFInfo
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- JP2023108600A JP2023108600A JP2022210284A JP2022210284A JP2023108600A JP 2023108600 A JP2023108600 A JP 2023108600A JP 2022210284 A JP2022210284 A JP 2022210284A JP 2022210284 A JP2022210284 A JP 2022210284A JP 2023108600 A JP2023108600 A JP 2023108600A
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- Prior art keywords
- sound absorbing
- block
- organic
- absorbing material
- particles
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Abstract
Description
ステップ2であって、多孔質吸音粒子を接着剤、増粘剤と混合してスラリーを形成する。
ステップ3であって、有機ブラケット材料を上記スラリーに浸漬し、5~20分間放置した後に有機ブラケット材料及びスラリーを乾燥させ、吸音材料ブロックを得る。
質量比でゼオライト50部、水45部、ポリスチレンアクリル酸エステル5部を秤量して均一に混合し、押出球状化造粒プロセスによって吸音粒子吸音粒子を製造し、具体的には、造粒後に150~300メッシュの篩で粒径が約50~100μmの多孔質吸音粒子を篩分けする。
質量比でゼオライト50部、水45部、ポリスチレンアクリル酸エステル5部を秤量して均一に混合し、押出球状化造粒プロセスによって吸音粒子吸音粒子を製造し、具体的には、造粒後に150~300メッシュの篩で粒径が約50~100μmの多孔質吸音粒子を篩分けする。
質量比でゼオライト50部、水40部、ポリアクリル酸エステル5部及び過酸化水素水5部を秤量して均一に混合し、噴霧造粒造粒プロセスによって吸音粒子を製造し、具体的には、造粒後に150~300メッシュの篩で粒径が約50~100μmの多孔質吸音粒子を篩分けする。
質量比でゼオライト50部、水40部、スチレンブタジエンエマルジョン5部及び過酸化水素水5部を秤量して均一に混合し、押出球状化造粒プロセスによって吸音粒子を製造し、具体的には、造粒後に150~300メッシュの篩で粒径が約50~100μmの多孔質吸音粒子を篩分けする。
質量比で活性炭50部、水40部、ポリアクリル酸エステル5部及び過酸化水素水5部を秤量して均一に混合し、噴霧造粒プロセスによって吸音粒子を製造し、具体的には、造粒後に150~300メッシュの篩で粒径が約50~100μmの多孔質吸音粒子を篩分けする。
Claims (10)
- 吸音材料ブロックであって、多孔質吸音粒子、有機ブラケット材料、接着剤及び増粘剤を含み、前記多孔質吸音粒子は、前記接着剤により前記有機ブラケット材料に接着され、前記多孔質吸音粒子の粒径は10~100μmである、ことを特徴とする吸音材料ブロック。
- 前記多孔質吸音粒子は、粒径が10μmより小さい多孔質粒子で構成され、前記多孔質粒子はゼオライト及び活性炭を含む、ことを特徴とする請求項1に記載の吸音材料ブロック。
- 前記ゼオライトは、MFI、MEL及びFERのうちの少なくとも1種の構造を有する、ことを特徴とする請求項2に記載の吸音材料ブロック。
- 前記有機ブラケット材料は、二次元構造を有し、前記有機ブラケット材料はPE、PP、PVC及びPET薄膜のうちの1種を含み、前記有機ブラケット材料の厚さは10~100μmである、ことを特徴とする請求項1に記載の吸音材料ブロック。
- 前記有機ブラケット材料は、三次元構造を有し、前記有機ブラケット材料はメラミンフォーム、ポリウレタンフォーム、ポリエチレンフォームのうちの1種を含む、ことを特徴とする請求項1に記載の吸音材料ブロック。
- 前記有機ブラケット材料の密度は、1~10mg/cm3であり、前記有機ブラケット材料は、複数のスルーホールを含み、前記有機ブラケット材料の空孔率は50%より大きく、前記スルーホールの平均孔径は50~300μmである、ことを特徴とする請求項5に記載の吸音材料ブロック。
- 前記接着剤は、ポリアクリル酸エステル、ポリスチレンアクリル酸エステル、ポリスチレン酢酸エステル、ポリエチルエチレン酢酸エステル塩のうちの少なくとも1種を含み、前記吸音材料ブロックは2~10wt%の前記接着剤を含む、ことを特徴とする請求項1に記載の吸音材料ブロック。
- 前記増粘剤は、アルギン酸ナトリウム、ヒドロキシメチルセルロースナトリウム及びポリビニルアルコールのうちの少なくとも1種を含み、前記吸音材料ブロックは0.5~2wt%の前記増粘剤を含む、ことを特徴とする請求項1に記載の吸音材料ブロック。
- 請求項1に記載の吸音材料ブロックの製造方法であって、
前記多孔質粒子を焼結又は接着した後、押出球状化造粒プロセス又は噴霧造粒プロセスを採用して、粒径が10~100μmの前記多孔質吸音粒子を製造するステップと、
前記多孔質吸音粒子を前記接着剤、前記増粘剤と混合してスラリーを形成するステップと、
前記有機ブラケット材料を前記スラリーに浸漬して5~20分間放置した後に乾燥し、前記吸音材料ブロックを得るステップと、を含む、ことを特徴とする吸音材料ブロックの製造方法。 - スピーカボックスであって、
収容空間を有するハウジングと、前記収容空間内に収容されたスピーカ単体とを含み、前記スピーカ単体と前記ハウジングとが取り囲んでバックチャンバを形成し、前記バックチャンバ内に請求項1に記載の吸音材料ブロックが充填されている、ことを特徴とするスピーカボックス。
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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