JP7406490B2 - 減少した臭気形成を有する熱膨張性組成物 - Google Patents
減少した臭気形成を有する熱膨張性組成物 Download PDFInfo
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- JP7406490B2 JP7406490B2 JP2020536102A JP2020536102A JP7406490B2 JP 7406490 B2 JP7406490 B2 JP 7406490B2 JP 2020536102 A JP2020536102 A JP 2020536102A JP 2020536102 A JP2020536102 A JP 2020536102A JP 7406490 B2 JP7406490 B2 JP 7406490B2
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Classifications
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- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
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Description
(a)ペルオキシドによって架橋可能である少なくとも一種のポリマーP、及び
(b)少なくとも一種のアクリレートA、及び
(c)少なくとも一種のペルオキシドPE、及び
(d)アゾジカルボンアミドADCA、及び
(e)亜鉛化合物ZC
を含む熱膨張性組成物を提供することにより、その課題への解決策を提供する。
1.1 組成物
組成物Ex1~Ex12を、以下に示す手順に従って調製した。個々のそれぞれの組成物の全重量に基づく重量%での正確な個々の組成を表2に列挙する。
本明細書中の全ての本発明及び本発明以外の実施例組成物は、次の手順に従って調製した。
2.1 膨張安定性
膨張安定性は、オーブン中で30分間、様々な温度における個々の試料の熱処理により、全ての試料において試験した。温度及び対応する温度における(膨張前の初期の体積に基づく%での)膨張の規模を表2に示す。
VDA 270
この臭気試験は、2017年2月のVDA“Verband der Automobilindustrie”と一致するVDA 270“Determination of the odor behavior of automotive interior materials”に従って実行された。VDA 270は、例えば、Daimler Chrysler、BMW及びPorscheなどの様々なOEMによって使用されている。この評価システムは、グレード1の「感知できない」からグレード6の「我慢できない」までの範囲がある。0.4cmの辺長を有する四角形の試験片(プラーク)を180℃のオーブン中で30分間膨張させ、50ccmの体積まで増加させた。次いで、さらなる分析のために膨張試料を1000ccm容器に入れた。
この臭気試験は、発泡した試料の臭気を評価することによって実行された。n=アンモニア臭なし、w=弱いアンモニア臭、y=強いアンモニア臭、yy=非常に強いアンモニア臭として評価付けした。
[1]
(a)ペルオキシドによって架橋可能である少なくとも一種のポリマーP、及び
(b)少なくとも一種のアクリレートA、及び
(c)少なくとも一種のペルオキシドPE、及び
(d)アゾジカルボンアミドADCA、及び
(e)亜鉛化合物ZC
を含む熱膨張性組成物であって、
前記ペルオキシドPEに対する前記亜鉛化合物ZCのモル比は、0.1~6.0、好ましくは0.1~4.0であり、且つ
前記ペルオキシドPEに対する前記アゾジカルボンアミドADCAのモル比は、5~30、好ましくは8~25であることを特徴とする、
熱膨張性組成物。
[2]前記ペルオキシドPEに対する前記亜鉛化合物ZCの前記モル比は、0.1~4.0、0.1~3.0、0.1~2.5、0.2~2.0、0.5~2.0、0.8~2.0、好ましくは0.8~1.5であることを特徴とする、上記[1]に記載の熱膨張性組成物。
[3]前記ペルオキシドPEに対する前記亜鉛化合物ZCの前記モル比は、0.5~2.5、0.5~2.0、0.5~1.5、好ましくは0.8~1.5であることを特徴とする、上記[1]に記載の熱膨張性組成物。
[4]前記ペルオキシドPEに対する前記亜鉛化合物ZCの前記モル比は、0.1~2.0、好ましくは0.2~1.5であることを特徴とする、上記[1]に記載の熱膨張性組成物。
[5]前記ペルオキシドPEに対する前記アゾジカルボンアミドADCAの前記モル比は、8~25、12~25、好ましくは6~25であることを特徴とする、上記[1]~[4]のいずれか一つに記載の熱膨張性組成物。
[6]前記ペルオキシドPEに対する前記アゾジカルボンアミドADCAの前記モル比は、8~25、12~25、16~25、好ましくは20~25であることを特徴とする、上記[1]~[5]のいずれか一つに記載の熱膨張性組成物。
[7]前記ペルオキシドPE及び前記亜鉛化合物ZCの合計に対する前記アゾジカルボンアミドADCAのモル比(ADCA:(PE+ZC))は、2~20、3~15、好ましくは5~12であることを特徴とする、上記[1]~[6]のいずれか一つに記載の熱膨張性組成物。
[8]前記亜鉛化合物ZCは、酸化亜鉛、ステアリン酸亜鉛、亜鉛ビス(p-トルエンスルフィネート)及び亜鉛ビス(ベンゼンスルフィネート)からなる群から選択され、最も好ましくは酸化亜鉛であることを特徴とする、上記[1]~[7]のいずれか一つに記載の熱膨張性組成物。
[9]前記ポリマーPは、エチレン-酢酸ビニル(EVA)を含み、より好ましくは、前記ポリマーPの全量に基づいて、前記ポリマーPの70重量%超、80重量%超、90重量%超、95重量%超、99重量%超が、エチレン-酢酸ビニル(EVA)からなることを特徴とする、上記[1]~[8]のいずれか一つに記載の熱膨張性組成物。
[10]前記アクリレートAは、前記アクリレートAの全量に基づいて、70重量%超、80重量%超、90重量%超、95重量%超、99重量%超の量で、少なくとも2又は3、好ましくは2~6、より好ましくは3~5、最も好ましくは5のアクリレート官能性を有する多官能性アクリレートを含むことを特徴とする、上記[1]~[9]のいずれか一つに記載の熱膨張性組成物。
[11]中空構造のためのバッフル及び/又は補強要素であって、
上記[1]~[10]のいずれか一つに記載の熱膨張性組成物を含むことを特徴とする、バッフル及び/又は補強要素。
[12]陸用、水用、又は航空用車両、好ましくは自動車のキャビティ若しくは中空構造、及び/又は建築物のキャビティを、シール、バッフル、又は補強し、それによって、騒音、振動、湿度、及び/若しくは熱の伝達を減少し、且つ/又は前記キャビティを包囲する物体を機械的に強化するようにするための、上記[11]に記載のバッフル及び/又は補強要素の使用。
[13]キャビティ又は中空構造を、シール、バッフル、及び/又は補強するための方法であって、
上記[1]~[10]のいずれか一つに記載の熱膨張性組成物を含む要素を、前記キャビティ又は中空構造中に導入し、且つその後に熱膨張させ、それによって、前記キャビティ又は中空構造を、前記膨張した組成物によって少なくとも部分的に充填するようになっていることを特徴とする、
方法。
Claims (12)
- (a)ペルオキシドによって架橋可能である少なくとも一種のポリマーP、及び
(b)2~6のアクリレート官能性を有する少なくとも一種のアクリレートA、及び
(c)少なくとも一種のペルオキシドPE、及び
(d)組成物の全重量に基づいて5~10重量%の量のアゾジカルボンアミドADCA、及び
(e)亜鉛化合物ZC
を含む熱膨張性組成物であって、
前記ペルオキシドPEに対する前記亜鉛化合物ZCのモル比は、0.5~2.5であり、且つ
前記ペルオキシドPEに対する前記アゾジカルボンアミドADCAのモル比は、5~30であることを特徴とする、
熱膨張性組成物。 - 前記ペルオキシドPEに対する前記亜鉛化合物ZCの前記モル比は、0.5~2.0であることを特徴とする、請求項1に記載の熱膨張性組成物。
- 前記ペルオキシドPEに対する前記亜鉛化合物ZCの前記モル比は、0.8~2.0であることを特徴とする、請求項1に記載の熱膨張性組成物。
- 前記ペルオキシドPEに対する前記亜鉛化合物ZCの前記モル比は、0.8~1.8であることを特徴とする、請求項1に記載の熱膨張性組成物。
- 前記ペルオキシドPEに対する前記アゾジカルボンアミドADCAの前記モル比は、8~25であることを特徴とする、請求項1~4のいずれか一項に記載の熱膨張性組成物。
- 前記ペルオキシドPEに対する前記アゾジカルボンアミドADCAの前記モル比は、12~25であることを特徴とする、請求項1~5のいずれか一項に記載の熱膨張性組成物。
- 前記ペルオキシドPE及び前記亜鉛化合物ZCの合計に対する前記アゾジカルボンアミドADCAのモル比(ADCA:(PE+ZC))は、2~20であることを特徴とする、請求項1~6のいずれか一項に記載の熱膨張性組成物。
- 前記亜鉛化合物ZCは、酸化亜鉛、ステアリン酸亜鉛、亜鉛ビス(p-トルエンスルフィネート)及び亜鉛ビス(ベンゼンスルフィネート)からなる群から選択されることを特徴とする、請求項1~7のいずれか一項に記載の熱膨張性組成物。
- 前記ポリマーPは、エチレン-酢酸ビニル(EVA)を含むことを特徴とする、請求項1~8のいずれか一項に記載の熱膨張性組成物。
- 中空構造のためのバッフル及び/又は補強要素であって、
請求項1~9のいずれか一項に記載の熱膨張性組成物を含むことを特徴とする、
バッフル及び/又は補強要素。 - 陸用、水用、又は航空用車両のキャビティ若しくは中空構造、及び/又は建築物のキャビティを、シール、バッフル、又は補強し、それによって、騒音、振動、湿度、及び/若しくは熱の伝達を減少し、且つ/又は前記キャビティを包囲する物体を機械的に強化するようにするための、請求項10に記載のバッフル及び/又は補強要素の使用。
- キャビティ又は中空構造を、シール、バッフル、及び/又は補強するための方法であって、
請求項1~9のいずれか一項に記載の熱膨張性組成物を含む要素を、前記キャビティ又は中空構造中に導入し、且つその後に熱膨張させ、それによって、前記キャビティ又は中空構造を、前記膨張した組成物によって少なくとも部分的に充填するようになっていることを特徴とする、
方法。
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EP3865538A1 (en) * | 2020-02-14 | 2021-08-18 | Sika Technology AG | Thermally expandable compositions with improved humidity storage resistance |
WO2022162058A1 (en) | 2021-01-27 | 2022-08-04 | Zephyros, Inc. | Low odor heat-expandable materials |
EP4116363A1 (de) * | 2021-07-06 | 2023-01-11 | Henkel AG & Co. KGaA | Thermisch expandierbare zusammensetzungen umfassend wachs |
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JPS5679131A (en) * | 1979-11-30 | 1981-06-29 | Furukawa Electric Co Ltd:The | Preparation of resin foam highly loaded with inorganic material |
JPS56116727A (en) * | 1980-02-21 | 1981-09-12 | Furukawa Electric Co Ltd:The | Preparation of low-smoking, flame-retardant foam |
JPS57115432A (en) * | 1981-01-08 | 1982-07-17 | Furukawa Electric Co Ltd:The | Highly-inorganic-filled foam of high expansion ratio and its manufacutre |
ES2146902T3 (es) * | 1995-09-29 | 2000-08-16 | Dow Chemical Co | Espumas poliolefinicas reticuladas y su procedimiento de produccion. |
JP3671320B2 (ja) * | 1997-08-08 | 2005-07-13 | 日本発条株式会社 | ゴム状オレフィン系軟質樹脂架橋発泡体 |
KR20070072903A (ko) * | 2004-09-29 | 2007-07-06 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 발포성 조성물 |
BR112017000174B1 (pt) * | 2014-07-10 | 2021-09-14 | Sika Technology Ag | Composição termicamente expansível, elemento difusor e/ou de reforço para estruturas ocas, processo para fabricação do mesmo, uso do mesmo e método para vedação, deflexão e/ou reforço de uma cavidade ou estrutura oca |
JP6683573B2 (ja) | 2016-08-19 | 2020-04-22 | 信越化学工業株式会社 | 縮合硬化性シリコーン樹脂組成物 |
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2018
- 2018-01-03 EP EP18150159.4A patent/EP3508520A1/en not_active Withdrawn
- 2018-12-20 JP JP2020536102A patent/JP7406490B2/ja active Active
- 2018-12-20 CN CN201880085151.8A patent/CN111566152B/zh active Active
- 2018-12-20 EP EP18822075.0A patent/EP3735436A1/en active Pending
- 2018-12-20 US US16/960,120 patent/US11365310B2/en active Active
- 2018-12-20 KR KR1020207018194A patent/KR20200106031A/ko not_active Application Discontinuation
- 2018-12-20 WO PCT/EP2018/086120 patent/WO2019134842A1/en unknown
Patent Citations (3)
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JP2000080193A (ja) | 1998-07-10 | 2000-03-21 | Sumitomo Chem Co Ltd | スポンジゴムの製造方法及びスポンジゴム |
US20140131910A1 (en) | 2011-08-01 | 2014-05-15 | Henkel Ag & Co. Kgaa | Thermally hardenable preparations |
JP2017510695A (ja) | 2014-03-21 | 2017-04-13 | ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェンHenkel AG & Co. KGaA | 熱膨張性調製物 |
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US20210061981A1 (en) | 2021-03-04 |
EP3735436A1 (en) | 2020-11-11 |
EP3508520A1 (en) | 2019-07-10 |
CN111566152B (zh) | 2023-01-10 |
JP2021509926A (ja) | 2021-04-08 |
CN111566152A (zh) | 2020-08-21 |
KR20200106031A (ko) | 2020-09-10 |
US11365310B2 (en) | 2022-06-21 |
WO2019134842A1 (en) | 2019-07-11 |
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