JP2020506256A - 織物用の低溶剤コーティング系 - Google Patents
織物用の低溶剤コーティング系 Download PDFInfo
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Abstract
Description
I) それらの分子量、
II) それらの官能性、
III) それらの繰り返し単位の構造、
IV) 少なくとも2種のポリオールの混合物中のそれらの量、
V) 前述の特性のすべて。
方法
別段の記載のない限り、報告されているパーセンテージはすべて重量に基づく。
下に特定される出発材料はすべて、Covestro Deutschland AGの製品である。
ポリオール1:酸化プロピレンおよび酸化エチレンの三官能性ポリエーテル、グリセロールから出発して調製、平均モル重量Mn=6000g/mol
ポリオール2:二官能性ポリプロピレンオキシドエーテル、ビスフェノールAから出発して調製、平均モル重量Mn=560g/mol
ポリオール3:グリセロール開始三官能性ポリプロピレンオキシドエーテル、グリセロールから出発して調製、平均モル重量Mn=3005g/mol
ポリオール4:二官能性ポリプロピレンオキシドエーテル、1,2−プロピレングリコールから出発して調製、平均モル重量Mn=2000g/mol
ポリオール5:二官能性ポリエステルポリオール、アジピン酸および1,6−ヘキサンジオールおよびネオペンチルグリコールから形成、平均モル重量Mn=2000g/mol
ポリオール6:二官能性ポリプロピレンオキシドエーテル、1,2−プロピレングリコールから出発して調製、平均モル重量Mn=1000g/mol
ポリオール7:二官能性ポリエステルポリオール、アジピン酸および1,6−ヘキサンジオールおよびネオペンチルグリコールから形成、平均モル重量Mn=1700g/mol
ポリイソシアネート1:Mイータ−キシリレンジイソシアネート(XDI)
ポリイソシアネート2:4,4′−メチレンビス(フェニルイソシアネート)、純粋な4,4′−異性体(MDI)
ポリイソシアネート3:トリレンジイソシアネート(20% 2,6−トリレンジイソシアネートおよび80% 2,4−トリルジイソシアネート)
ポリイソシアネート4:トリレンジイソシアネート(100% 2,4−トリレンジイソシアネート)
ポリイソシアネート5:ヘキサメチレン1,6−ジイソシアネート(HDI)
ポリイソシアネート6:イソホロンジイソシアネート(IPDI)
ジアミン1:4,4′−ジアミノ‐3,3′−ジメチルジシクロヘキシルメタン(ラロミン(Laromin)C260、BASF製、ドイツ)
ジアミン2:4,4′−ジアミノジシクロヘキシルメタン
N−ベンジル−tert−ブチルアミン(BEBA):材料は米国インディアナポリスのVertellusから入手した。
1−メトキシ−2−プロピルアセテート(MPA)
更なる出発材料はすべて、シグマアルドリッチから入手し、特定の場合で別段の記載のない限り、さらに精製することなく使用した。
それぞれのポリオール混合物を、その混合物から過剰な水を除去するために、脱水ステップで10mbarの圧力で100℃にて1時間撹拌した。混合物が1,4−ブタンジオールを含む場合、この成分は、ポリオール混合物脱水ステップの後まで加えなかった。その後、ポリオール混合物を65℃にし、表1に指定された量のブルカノックスBHTおよびトリフェニルホスフィンを加え、この混合物を65℃で10分間撹拌することにより均質化した。この温度で1分間にわたって、表1に指定されたジイソシアネートを加えた(ジイソシアネートの混合物の場合、まずポリイソシアネート2、次いでポリイソシアネート3)。わずかな発熱反応が確認され、これによって混合物は最高75℃まで熱くなった。温度を65℃まで低下させ、遊離NCO基の含有量が理論的なレベルまで低下するまで反応混合物を65℃で撹拌した。
774.0gのポリオール1と48.0gのポリオール2の混合物を、過剰な水分を除去するために、100℃にて減圧10mbarで1時間攪拌した。その後、この混合物を75℃で1〜2分間にわたって、まず46.6gのHDIと混合し、その後すぐに64.6gのIPDIと混合した。得られた混合物を75℃で5時間、85℃で9時間撹拌した。滴定されたNCO値は、NCO基とOH基の反応が完了まで進んだことを示した。
439.0gのポリオール6と219.0gのポリオール2の混合物を、過剰な水分を除去するために、100℃にて減圧10mbarで1時間攪拌した。その後、65℃でこの混合物に1〜2分間かけて184.8gのHDIを加えた。得られた混合物を65〜70℃で3時間、80℃で11時間撹拌した。滴定されたNCO値は、NCO基とOH基の反応が完了まで進んだことを示した。
例1〜4および比較例1〜4のプレポリマーを、NCOのブロックされる量に対して化学量論量のジアミン1とプラスチック容器内で混合した。混合はSpeedmixerで3500rpmにて1分間行った。例2〜4および関連する比較例2〜4のように非常に高い加工粘度の場合、表2に指定された量のMPAを加えた。混合物を室温で保存し、反応混合物の粘度の変化を表2に記載された時間後に測定した。
例1〜4の本発明のプレポリマーを、化学量論量のジアミン1、3%のBYK9565(PUをベースとする合成皮革用添加剤、BYK Chemie GmbH製、ドイツ)、および0.5%のAcronal L700(50%酢酸エチル中のアクリル樹脂、コーティング用可塑剤、BASF製、ドイツ)と混合し、混合物を減圧下で3分間撹拌した。300μmの未乾燥膜層を、BOR剥離紙、スーパーマットにナイフでコーティングした。
Claims (15)
- 織物材料の弾性コーティング用のコーティング組成物であって、
少なくとも1種のブロックされた、イソシアネート末端プレポリマー(成分A)であって、ポリオール成分a)および芳香脂肪族イソシアネート成分b)から調製され、末端イソシアネート基がN−アルキル−ベンジルアミンでブロックされているか、または部分的にN−アルキル−ベンジルアミンおよび部分的に3,5−ジメチルピラゾールでブロックされている、ブロックされた、イソシアネート末端プレポリマー(成分A)、
少なくとも1種のポリアミン(成分B)、ならびに
前記コーティング組成物の総質量に対して≦30重量%の少なくとも1つの有機溶剤
を含んでなる、コーティング組成物。 - 前記イソシアネート末端プレポリマーの末端イソシアネート基が、テトラメチルキシリレンジイソシアネート(m−もしくはp−TMXDI)またはキシリレンジイソシアネート(m−もしくはp−XDI)またはそれらの混合物、好ましくはキシリレンジイソシアネート(m−もしくはp−XDI)からなる、請求項1に記載のコーティング組成物。
- 前記ポリオール成分a)が、少なくとも2種の異なるポリオール、第1のポリオールおよび少なくとも1種の更なるポリオールを含んでなる、請求項1または2に記載のコーティング組成物。
- 前記プレポリマーの末端イソシアネート基が、N−tert−ブチルベンジルアミンでブロックされている、請求項1〜3のいずれか一項に記載のコーティング組成物。
- 成分B)が、少なくとも1種のジアミンを含んでなるか、または1種以上のジアミンのみからなる、請求項1〜4のいずれか一項に記載のコーティング組成物。
- 成分b)のイソシアネート基の、成分a)のヒドロキシル基に対する比が≧1.5:1である、請求項1〜5のいずれか一項に記載のコーティング組成物。
- コーティング組成物の総質量に対して≦10重量%の少なくとも1種の有機溶剤を含んでなる、請求項1〜6のいずれか一項に記載のコーティング組成物。
- 成分b)が、1.5〜4.0の範囲の平均NCO官能性を有する、請求項1〜7のいずれか一項に記載のコーティング組成物。
- 成分A)の成分B)に対する重量比が≦10:3である、請求項1〜8のいずれか一項に記載のコーティング組成物。
- 請求項1〜9に記載のコーティング組成物が基材に塗布され、90〜200℃の範囲の温度で架橋される、基材のコーティングのための方法。
- 基材が織物材料であることを特徴とする、請求項10に記載の方法。
- 請求項10または11に記載の方法によって得られる、コーティングされた基材。
- 弾性コーティングまたは弾性フィルムを製造するための、請求項1〜9のいずれか一項に記載のコーティング組成物の使用。
- ≧200%の破断伸びおよび/または≧2MPaの破断応力を有する、請求項1〜9のいずれか一項に記載のコーティング組成物を含んでなる弾性フィルム、または請求項10または11に記載の通りに製造される弾性フィルム。
- ≧0.2MPaの100%モジュラスを有する、請求項14に記載の弾性フィルム。
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EP17151308 | 2017-01-13 | ||
EP17151308.8 | 2017-01-13 | ||
PCT/EP2018/050587 WO2018130586A1 (de) | 2017-01-13 | 2018-01-10 | Lösemittelarme beschichtungssysteme für textilien |
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US (1) | US20190359850A1 (ja) |
EP (1) | EP3568423A1 (ja) |
JP (1) | JP2020506256A (ja) |
CN (1) | CN110382583A (ja) |
WO (1) | WO2018130586A1 (ja) |
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CN112048054B (zh) * | 2020-09-11 | 2022-01-07 | 浙江枧洋高分子科技有限公司 | 一种溶剂型自消光透湿涂层树脂及其制备方法 |
EP4001328A1 (de) | 2020-11-24 | 2022-05-25 | Rudolf GmbH | Polymerisierbare zusammensetzung zur bondierung von fasereinheiten |
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EP3568423A1 (de) | 2019-11-20 |
CN110382583A (zh) | 2019-10-25 |
US20190359850A1 (en) | 2019-11-28 |
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