JP2022504120A - 薄層で用いられたときに向上した膨張挙動を有する新規発泡材 - Google Patents
薄層で用いられたときに向上した膨張挙動を有する新規発泡材 Download PDFInfo
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- JP2022504120A JP2022504120A JP2021518154A JP2021518154A JP2022504120A JP 2022504120 A JP2022504120 A JP 2022504120A JP 2021518154 A JP2021518154 A JP 2021518154A JP 2021518154 A JP2021518154 A JP 2021518154A JP 2022504120 A JP2022504120 A JP 2022504120A
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- butyl rubber
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- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 150000008064 anhydrides Chemical group 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
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- QYMGIIIPAFAFRX-UHFFFAOYSA-N butyl prop-2-enoate;ethene Chemical compound C=C.CCCCOC(=O)C=C QYMGIIIPAFAFRX-UHFFFAOYSA-N 0.000 description 1
- UETLMBWMVIQIGU-UHFFFAOYSA-N calcium azide Chemical class [Ca+2].[N-]=[N+]=[N-].[N-]=[N+]=[N-] UETLMBWMVIQIGU-UHFFFAOYSA-N 0.000 description 1
- HHSPVTKDOHQBKF-UHFFFAOYSA-J calcium;magnesium;dicarbonate Chemical compound [Mg+2].[Ca+2].[O-]C([O-])=O.[O-]C([O-])=O HHSPVTKDOHQBKF-UHFFFAOYSA-J 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
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- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
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- 238000010304 firing Methods 0.000 description 1
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- 239000008240 homogeneous mixture Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
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- 150000002469 indenes Chemical class 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
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- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
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- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
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- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- NFWSQSCIDYBUOU-UHFFFAOYSA-N methylcyclopentadiene Chemical compound CC1=CC=CC1 NFWSQSCIDYBUOU-UHFFFAOYSA-N 0.000 description 1
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- 235000010755 mineral Nutrition 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- 238000009828 non-uniform distribution Methods 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 150000002976 peresters Chemical class 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 125000005624 silicic acid group Chemical class 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- DLSMLZRPNPCXGY-UHFFFAOYSA-N tert-butylperoxy 2-ethylhexyl carbonate Chemical compound CCCCC(CC)COC(=O)OOOC(C)(C)C DLSMLZRPNPCXGY-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004634 thermosetting polymer Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
- 125000005591 trimellitate group Chemical group 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 229940070710 valerate Drugs 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- KHYUFILZGMOXBR-UHFFFAOYSA-L zinc;4-methylbenzenesulfinate Chemical compound [Zn+2].CC1=CC=C(S([O-])=O)C=C1.CC1=CC=C(S([O-])=O)C=C1 KHYUFILZGMOXBR-UHFFFAOYSA-L 0.000 description 1
- UMGLWJIVIBWZCW-UHFFFAOYSA-L zinc;benzenesulfinate Chemical compound [Zn+2].[O-]S(=O)C1=CC=CC=C1.[O-]S(=O)C1=CC=CC=C1 UMGLWJIVIBWZCW-UHFFFAOYSA-L 0.000 description 1
Classifications
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- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
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- C08J9/0023—Use of organic additives containing oxygen
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08J9/0066—Use of inorganic compounding ingredients
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/026—Crosslinking before of after foaming
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C08J2205/00—Foams characterised by their properties
- C08J2205/04—Foams characterised by their properties characterised by the foam pores
- C08J2205/052—Closed cells, i.e. more than 50% of the pores are closed
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- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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- C08J2331/00—Characterised by the use of copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, or carbonic acid, or of a haloformic acid
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- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/14—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
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Landscapes
- Chemical & Material Sciences (AREA)
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Abstract
Description
- 好ましくは良好な発泡材セル構造/熱安定性発泡材構造
- 低い座屈性、及び
- 好ましくは均一な膨張パターン/有向性膨張
について良好な膨張挙動を示す熱膨張性組成物を得ることが望ましい。
- 好ましくは良好な発泡材セル構造/熱安定性発泡材構造
- 低い座屈性、及び
- 好ましくは均一な膨張パターン/有向性膨張、
について良好な膨張挙動を示す熱膨張性組成物を提供することを目的とする。この組成物はまた、特に平らではない、湾曲した、又は、尖った表面といった特に油が付着した金属基材といった金属基材に対する、未硬化の組成物の良好な接着を提供するべきである。接着はまた、熱可塑性材料の膨張の前後両方において保証されるべきである。
(a)ラジカル開始剤によって架橋可能な少なくとも一種のポリマーP、及び
(b)少なくとも一種の固体ブチルゴムBRuであって、組成物の総重量に基づいて、5重量%~16重量%、好ましくは5重量%~15重量%、6重量%~12重量%、8重量%~10重量%の量で組成物に含まれる前記固体ブチルゴム、及び
(c)少なくとも一種のラジカル開始剤、及び
(d)少なくとも一種の膨張剤であって、組成物に、好ましくは6重量%未満、好ましくは1重量%~5.5重量%、2重量%~5重量%の量で含まれる前記膨張剤、及び
(e)少なくとも一種の粘着付与剤TA
を含む熱膨張性組成物を提供することによりこの問題を解決する。
1.1組成物
本発明の組成物の実施例(E1~E7)、及び、本発明に係らない参照組成物(R1~R7)を、以下に示す手法に従って調製した。個々の組成物の総重量に基づく正確な個別の組成(重量%)を、表2及び3に示す。
本書面における、本発明に係る及び本発明に係らない例示的組成物はすべて、以下の手法に従って調製した:
第1のステップにおいては、ポリマーP1、P2、P3、BRu、酸化防止剤及び粘着付与剤を混合し、7分間の間、36rpm(1分間当りの回転)の混合速度、110℃で溶融した。その後、POの半量を、チキソトロープ剤、カーボンブラック及び充填材と一緒に、第1のステップにおいて適用されたものと同一の速度及び時間で混合した。混合物の温度を85℃に設定し、膨張剤及び活性化剤を添加した。混合物を75℃の温度に冷却することで冷却して混合を36rpmで5分間継続した。次いで、硬化剤、アクリレートA、過酸化物を、POの残りの半量と共に添加し、続いて、36rpmで5分間混合した。
2.1膨張安定性
膨張及び膨張安定性を、180℃で予熱したオーブン中において、20分間、種々の温度における個別のサンプルの熱処理(焼成)により、すべてのサンプルにおいてテストした。
接着特性を評価するために、上記のクーポンをキャリアプレート(300×30mm、厚さ0.8mm、鋼鉄製、クリーニングし、次いで、Anticorit PL 3802-39Sで油を付着させた)の真ん中に置き、キャリアプレートに対して強く押した。
これらのサンプルの他のものを180℃で20分間硬化させ、次いで、硬化/膨張した組成物を、キャリアプレートから手で剥がした。
セル構造、膨張及び座屈挙動を評価するために、上記のサンプルを180℃で20分間硬化させ、キャリアプレート上の得られた硬化/膨張した組成物を視覚的に分析した。
Claims (15)
- 以下を含む熱膨張性組成物であって:
(a)ラジカル開始剤によって架橋可能な少なくとも一種のポリマーP、及び
(b)少なくとも一種の固体ブチルゴムBRuであって、前記組成物の総重量に基づいて、5重量%~16重量%、好ましくは5重量%~15重量%、6重量%~12重量%、8重量%~10重量%の量で前記組成物に含まれる固体ブチルゴム、及び
(c)少なくとも一種のラジカル開始剤、及び
(d)少なくとも一種の膨張剤であって、好ましくは6重量%未満、好ましくは1重量%~5.5重量%、2重量%~5重量%の量で前記組成物に含まれる膨張剤、及び
(e)少なくとも一種の粘着付与剤TA
を含み、
ここで、硬化後の膨張した前記組成物は、前記未硬化の組成物と比べて、1300%未満、好ましくは500~1300%、より好ましくは600~1200%、800~1200%、最も好ましくは900~1100%の体積増加を有し、
前記体積増加は、密度測定のDIN EN ISO 1183法(アルキメデスの原理)を用いて決定される、
熱膨張性組成物。 - 前記組成物は、前記組成物の総重量に基づいて、12重量%~30重量%、14重量%~25重量%、16重量%~22重量%、好ましくは17.5重量%~20重量%の量で前記粘着付与剤を含むことを特徴とする、請求項1に記載の熱膨張性組成物。
- 前記粘着付与剤は、炭化水素樹脂、好ましくは芳香族変性炭化水素樹脂、最も好ましくは芳香族変性C5炭化水素樹脂であることを特徴とする、請求項1又は2に記載の熱膨張性組成物。
- 前記組成物はさらに、芳香族油、ナフテン油、又はポリ(イソ)ブチレン、好ましくはポリ(イソ)ブチレン、最も好ましくはポリイソブチレンからなる群から選択される少なくとも一種のプロセスオイルPOを含むことを特徴とする、請求項1~3のいずれか一項に記載の熱膨張性組成物。
- 前記組成物は、前記組成物の前記総重量に基づいて、18重量%~35重量%、好ましくは20重量%~32重量%、最も好ましくは25重量%~30重量%の量で前記プロセスオイルPOを含むことを特徴とする、請求項4に記載の熱膨張性組成物。
- 前記膨張剤はアゾジカルボンアミド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。
- 前記組成物は、2.5重量%~6重量%、好ましくは3重量%~5.5重量%、3.5重量%~5重量%、4重量%~5重量%、最も好ましくは4.5重量%~5重量%の量で前記膨張剤を含むことを特徴とする、請求項1~6のいずれか一項に記載の熱膨張性組成物。
- 前記ラジカル開始剤は、過酸化物又は過酸エステル、好ましくは過酸化物であ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。
- 前記組成物はさらに、少なくとも一種のアクリレートA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。
- 前記少なくとも一種の固体ブチルゴムBRuは、ハロゲン化ブチルゴム、好ましくは塩素化ブチルゴム又は臭素化ブチルゴム、特に好ましくは臭素化ブチルゴムであることを特徴とする、請求項1~9のいずれか一項に記載の熱膨張性組成物。
- 開放又は中空構造用のバッフル部材であって、請求項1~10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部材。
- 前記熱膨張性組成物は、0.5~10mm、好ましくは1~6mmの厚さを有するシート状構造を有することを特徴とする、請求項11に記載のバッフル部材。
- 前記熱膨張性組成物は、5~30cm、好ましくは10~25cmの長さ、及び5~30cm、好ましくは5~15cmの幅、又は1~20cm、好ましくは2~10cmの幅を有するシート状構造を有することを特徴とする、請求項11又は12に記載のバッフル部材。
- 陸上乗物、船舶、若しくは航空機の、好ましくは自動車乗物のキャビティ若しくは中空若しくは開放構造、及び/又は建築物のキャビティをシール又はバッフルし、それによって、騒音、振動、湿度、及び/又は熱の伝導を低減するための、請求項11~13のいずれか一項に記載のバッフル部材の使用。
- 請求項1~10のいずれか一項に記載の熱膨張性組成物を含む部材を前記キャビティ又は中空構造中に導入し、その後、熱膨張させ、これにより、前記膨張した組成物によって前記キャビティ又は中空構造を少なくとも部分的に充填することを特徴とする、キャビティ又は中空構造をシール又はバッフルする方法。
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US20140378567A1 (en) * | 2013-06-21 | 2014-12-25 | Zephyros, Inc. | Heat stabilized soft expandable sealant compositions |
JP2018529823A (ja) * | 2015-09-28 | 2018-10-11 | 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 | 尿素誘導体を含む熱膨張性組成物 |
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US20080265516A1 (en) * | 2006-11-08 | 2008-10-30 | Zephyros, Inc. | Two stage sealants and method of forming and/or using the same |
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US20140378567A1 (en) * | 2013-06-21 | 2014-12-25 | Zephyros, Inc. | Heat stabilized soft expandable sealant compositions |
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