JP2012502120A - アニオン的に安定化された、水性ポリマー分散液に基づく配合物 - Google Patents
アニオン的に安定化された、水性ポリマー分散液に基づく配合物 Download PDFInfo
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- JP2012502120A JP2012502120A JP2011525446A JP2011525446A JP2012502120A JP 2012502120 A JP2012502120 A JP 2012502120A JP 2011525446 A JP2011525446 A JP 2011525446A JP 2011525446 A JP2011525446 A JP 2011525446A JP 2012502120 A JP2012502120 A JP 2012502120A
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- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
- C08L11/02—Latex
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- C09J111/00—Adhesives based on homopolymers or copolymers of chloroprene
- C09J111/02—Latex
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
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- Adhesives Or Adhesive Processes (AREA)
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Abstract
Description
粘度の決定
分散液の粘度は、スピンドルNo.2を用いて60回転/分、室温の条件下、一般的なブルックフィールド粘度計を用いることにより測定した。粘度の計測に際し、スピンドルおよび回転速度は、計測誤差を最小限にするために、粘度計の説明書に従い変化させた。レオロジー特性を調査するために、同一の測定体(スピンドル)を異なる速度で使用した。
乾燥させた接着剤サンプルの試験は、DIN53381の方法Bに従い行う。
測定装置:763PVC−サーモマット、メトローム社製、CH-9101、ハイルザウ、スイス
接着剤配合物を、ワルサーーパイロット(Walther Pilot)型:XIII-NDスプレーガン(約3barの空気圧)を用いて、試験材に塗布する。使用する試験材はPU発泡体であり、以下の性質を有する:フォーム等級:STN/ニュルンベルグフォーム技術社製(Schaumstoff-Technik-Nuernberg)、形式ST5540、試験片寸法:101×49×30mm、物質基剤:PUR、色:ホワイト、総重量(kg/m3):40、正味の体積密度(kg/m3)ISO-845:38、40%圧縮硬度(kPa)DIN EN ISO3386:5.5、引張強さ(kPa)DIN EN ISO1798:>120、破断点伸び(%)ISO-1798:>110、圧縮永久歪み(50%/70℃/C22h)DIN EN ISO-1856:<4。
上述のような接着フォームを、70℃、90℃、100℃または120℃まで予め加熱した熱風炉内に導入し、接着が剥がれるまでの時間を測定した。
アルミ皿の上に設けた濾紙の上に約10gの配合物を載せ、空気循環式の乾燥機内で、110℃の条件下、1時間かけて乾燥させることによりおこなった。乾燥させたサンプルを秤量し、固形分をもとの重量との差から決定した。
配合物の安定性は、高い粘性を有する配合物の場合、粒子、塊を探すことにより視覚的に測定し、低い粘性を有する配合物の場合、メッシュサイズが600マイクロメータ未満のふるいを通過させる濾過により視覚的に測定した。
配合物のオープンタイムを決定するために、配合物を活性化させた(配合の完了)後、2×10cmのストリップ状試験片の両側に該配合物を施すことによりSatra皮革を接着させ、10分の乾燥時間を経たのち、2barで5秒間押圧し、それに続けて、180°剥離試験(単位N/mm)により初期強度を測定する。この手順を、30分後、1時間後、4時間後、8時間後、24時間後、3日後、7日後および14日後に繰り返して行う。50%より大きい最適強度が得られた場合、配合物はオープンタイム内に位置するものとみなした。何れの場合も、3回の個別測定をおこなった。
試験を、EN1392に従い行う。厚さ100μmの分散液湿潤膜を、2つの試験片(KASXゴム、粗面、100×30mm)に施し、他に記載のない限り、室温で1時間空気にさらす。次いで、試験片を4barで10秒間接合させる。引裂試験は、室温にて、市販の引張り試験機を用いる180°剥離試験によりおこなう。接合直後および所望により所定の待機時間を経た後に、強度(単位N/mm)を測定する。
KASX(NBRゴム)試験片を、2cm2重複させて接着させ、4kgの荷重を施し、該試験片を、温蔵庫中で40℃の条件下、30分間貯蔵する。次いで、試験片を、0.5℃/分の直線的な昇温速度で150℃まで加熱した。軟化温度、すなわち、せん断試験において4kgの荷重をかけた条件下において接着が剥がれる際の温度(単位℃)を記録した。何れの場合も、5回の個別測定を行った。
単一棒型の測定電極(例えば、セントロンpHメータ)を、試験に付する溶液または分散液中に浸漬させる。これは、測定電極および参照電極を具備する。測定電極と参照電極間の電位差を、pH値として測定装置から読み取る。単一棒型の測定電極の操作に関してはメーカーの操作説明書に従う。あるいは、pH値を、測定棒若しくは試験紙または指示溶液により測定することもできる。
この目的を達成するために、ヒドロゲルから2×2×1cmの試験片を調製し、常套のShore A硬度測定装置を用いて測定する。測定は3点で行い、試験片の調製直後、および空気循環式の乾燥キャビネット中で50℃の条件下、90分間乾燥させた後に行う。何れの場合も、平均値を記録する。
この目的を達成するために、ヒドロゲルから2×2×1cmの試験片を調製し、正確に測定および秤量した。測定は、空気循環式の乾燥キャビネット中で50℃の条件下、90分間の貯蔵を経た後に繰り返して行い、体積および質量安定度をそれらから算出した。
70℃で好ましくは3日間貯蔵した後に、ブルックフィールド粘度計を用いて、接着剤配合物の粘度を繰り返して測定することにより、該試験を行う。
本発明による接着剤配合物の調製方法
接着剤配合物の調製に関する一般的過程:
本発明による配合物を調製するために、単一成分形態のラテックス、または商業的に入手可能なもののように、他のラテックスとの混合物を、攪拌しながらガラスビーカー中に導入する。次いで、分散液形態の酸化亜鉛および酸化防止剤と、更なる成分、例えば、樹脂、粘着付与剤、充填剤、増粘剤、着色剤などを、攪拌しながら、所望により連続的に添加する。次いで、シリカゾル(Dispercoll(登録商標)S)を、攪拌しながら、所望により添加する。配合物の濃度を、脱イオン水を用いて所望の値へと必要に応じて調整する。
全ての所望の成分を混合した後、初期のpH値を、配合物の目標とするpH値まで、攪拌しながら、配合物を活性化するために適当な、グリシンおよび/またはホウ酸および/または任意所望の希釈塩、酸または緩衝剤を用いて調整する。何れの場合も、対応する塩および酸の希釈物を記載する。
本発明に係らない試験は、以下、試験番号の後に常に*を付して表される。
2 配合物
3 気相(CO2)
4 蓋
5 逆止弁
6 CO2容器
7 配合物を含有する容器
8 CO2容器
9 取入口
10 取り外し可能なバルブキャップ
11 混合管
12 噴霧ノズル
13 更なるガス用取入口
Claims (13)
- アニオン的に安定化されたポリクロロプレン分散液を20wt%より多く含有する水性ポリマー分散液に基づく配合物(但し全固体濃度=100wt%である)であって、
6〜10のpH値での、解離平衡における炭酸の溶解量が、該分散液に基づき、0.0001〜2wt%であることを特徴とする該配合物。 - 6.5〜9.5のpH値での、炭酸の溶解量が0.001〜1wt%であることを特徴とする請求項1に記載の配合物。
- アルカリイオン濃度(Na++K+)が500〜10000ppmであることを特徴とする請求項1に記載の配合物。
- 好ましくは脂肪族イソシアネートに基づく親水化ポリイソシアネートを含有することを特徴とする請求項1に記載の配合物。
- 水中にナノ分散させたケイ酸懸濁液を含有する請求項1に記載の配合物。
- DIN53381の方法Bに従うpH値の安定性が1時間より長いことを特徴とする請求項1に記載の配合物。
- 配合物1リットル当り0.1〜20リットルの量の二酸化炭素を、アニオン的に安定化されたポリクロロプレン分散液を含有する水性ポリマー分散液へ、0.8〜10barで1〜100℃の条件下で供給することを特徴とする請求項1に記載の配合物の調製方法。
- i)弾性容器内に収容された分散液の上部へ二酸化炭素を供給し、
ii)気相の体積が所望の量に達するまで、該容器を振盪、攪拌または放置させ、次いで、
iii)過剰量の二酸化炭素を放出させることを特徴とする請求項7に記載の方法。 - 水性ポリマー分散液へ二酸化炭素を計量して添加するための装置であって、
適当な二酸化炭素容器(6)から導入される二酸化炭素が通過する逆止弁(5)を末端に取り付けた蓋(4)を有する容器(1)が、ポリマー分散液または配合物(2)の水性相と二酸化炭素の気相(3)を保有することを特徴とする該装置(図1)。 - ポリマー分散液または配合物を含有する容器(7)の周囲に、二酸化炭素ガスを保有する別の中空容器(8)が配設され、該容器(7)および該容器(8)に独立した取入口(9)が設けられ、該取入口が、所望により着脱できるバルブキャップ(10)中で終止し、該取入口の端部に、続けて、混合区画、例えば、混合管または静的ミキサー(11)、所望により着脱可能な噴射ノズルまたは発泡ノズル(12)が配設され、所望により、独立した取入口(13)から更なる推進剤ガス/搬送ガスを計量して添加できることを特徴とする請求項9に記載の装置(図2)。
- 接着剤配合物の調製における請求項1に記載の配合物の使用。
- 発泡し、所望により粘着性を有するシーラントおよび絶縁体、大容量部品、コーティング、接着性フォームまたは浸漬品の製造における請求項1に記載の配合物の使用。
- ヒドロゲルの製造における請求項1に記載の配合物の使用。
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DE102008045805.8 | 2008-09-05 | ||
PCT/EP2009/006158 WO2010025862A1 (de) | 2008-09-05 | 2009-08-26 | Formulierungen auf basis anionisch-stabilisierter, wässriger polymer-dispersionen |
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JP2013501836A (ja) * | 2009-08-14 | 2013-01-17 | 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 | 二酸化炭素を導入するための方法 |
JP2021147717A (ja) * | 2020-03-18 | 2021-09-27 | 住友ゴム工業株式会社 | ゴム手袋 |
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DE102009028879A1 (de) * | 2009-08-26 | 2011-03-03 | Henkel Ag & Co. Kgaa | Wasserbasierter 2-Komponenten Klebstoff |
DE102011018640A1 (de) * | 2010-04-28 | 2011-11-03 | Wakol Gmbh | Sprühpistole für das Aufbringen von 2-komponentigen Medien und Verwendung der erfindungsgemäßen Sprühpistole zur Aufbringung von Klebstoffen |
EP2591046B1 (de) | 2010-07-09 | 2016-04-13 | Alfa Klebstoffe AG | Klebstoff mit puffersystem |
WO2014164044A1 (en) * | 2013-03-13 | 2014-10-09 | Bayer Materialscience Llc | Polymers and process for filling cavities, gaps and voids |
FR3032716B1 (fr) * | 2015-02-17 | 2017-02-24 | Bostik Sa | Colle contact de polychloroprene a base aqueuse |
CN109238922A (zh) * | 2018-09-22 | 2019-01-18 | 武汉研润科技发展有限公司 | 一种柴油喷嘴剪切稳定性测试仪 |
CN111944481B (zh) * | 2020-08-18 | 2021-09-28 | 贵州省凯里公路管理局 | 反应型常温冷补胶结料及其制备方法 |
EP4303262A1 (en) | 2022-07-07 | 2024-01-10 | Henkel AG & Co. KGaA | Water-based composition based on polychloroprene dispersions |
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DE3002734A1 (de) | 1980-01-25 | 1981-07-30 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung eines polychloropren-klebstoffs mit verbesserter topfzeit |
DE3743040A1 (de) * | 1987-12-18 | 1989-07-13 | Basf Ag | Verfahren zur herstellung von waessrigen polymerdispersionen |
AU3751195A (en) * | 1994-11-02 | 1996-05-31 | Evode Ltd. | Foamed adhesives and method of application |
WO1996030418A1 (en) | 1995-03-27 | 1996-10-03 | E.I. Du Pont De Nemours And Company | Polychloroprene composition |
JPH09235417A (ja) * | 1996-02-28 | 1997-09-09 | Nippon Shokubai Co Ltd | 水膨潤性ゴム |
DE19704245A1 (de) * | 1997-02-05 | 1998-08-06 | Bayer Ag | Wäßrige, vernetzende Polymerdispersionen sowie ihre Verwendung für die Herstellung von wäßrigen Klebstoffen |
DE10046545A1 (de) | 2000-09-19 | 2002-03-28 | Bayer Ag | Klebstoffzusammensetzung auf Basis von Polychloropren-Dispersionen |
DE10224898A1 (de) | 2002-06-04 | 2003-12-18 | Bayer Ag | Wässrige Klebstoff-Dispersionen |
JP2007506851A (ja) * | 2003-05-30 | 2007-03-22 | ランクセス・ドイチュランド・ゲーエムベーハー | ポリクロロプレン系水性組成物 |
DE102004008055A1 (de) * | 2003-09-18 | 2005-04-21 | Bayer Materialscience Ag | Wässrige Klebstoff-Dispersionen |
DE10360368A1 (de) * | 2003-12-22 | 2005-07-21 | Bayer Materialscience Ag | Dispersionen |
JP2007332207A (ja) * | 2006-06-13 | 2007-12-27 | Denki Kagaku Kogyo Kk | ポリクロロプレン水性接着剤 |
DE102006045384A1 (de) * | 2006-09-26 | 2008-04-03 | H.C. Starck Gmbh | Wässrige Siliciumdioxid Dispersionen für Klebstoffformulierungen |
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JP2013501836A (ja) * | 2009-08-14 | 2013-01-17 | 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 | 二酸化炭素を導入するための方法 |
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RU2011112648A (ru) | 2012-10-10 |
DE102008045805A1 (de) | 2010-03-18 |
CN102144012A (zh) | 2011-08-03 |
EP2324090B1 (de) | 2013-10-09 |
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DK2324090T3 (da) | 2014-01-20 |
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WO2010025862A1 (de) | 2010-03-11 |
TWI480352B (zh) | 2015-04-11 |
AU2009289852B2 (en) | 2015-04-30 |
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EP2324090A1 (de) | 2011-05-25 |
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PL2324090T3 (pl) | 2014-03-31 |
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