JP6030645B2 - 親水性ゴム材料から作られた医療用及び非医療用装置 - Google Patents
親水性ゴム材料から作られた医療用及び非医療用装置 Download PDFInfo
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- JP6030645B2 JP6030645B2 JP2014518042A JP2014518042A JP6030645B2 JP 6030645 B2 JP6030645 B2 JP 6030645B2 JP 2014518042 A JP2014518042 A JP 2014518042A JP 2014518042 A JP2014518042 A JP 2014518042A JP 6030645 B2 JP6030645 B2 JP 6030645B2
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Landscapes
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- Cosmetics (AREA)
- Polymerisation Methods In General (AREA)
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Description
・ジアルキルシロキサン、ジアリルシロキサン、及びシリコーン前駆体からなる群から選択される1つ以上の疎水性有機モノマと、
・1つ以上の親水性側鎖基を有するモノマ又はポリマと、
・1つ以上の水酸化成分と、
・1から250ppmまでの白金触媒と、
・オプションで泡密度を低減するアミノ成分と
を有する好適な発泡シリコーン組成物を提供することにある。
・1つ以上の疎水性有機モノマからの繰り返しユニットと、
・1つ以上の親水性側鎖基で修飾された1つ以上のモノマ(a)からの繰り返しユニットと
を有し、親水性分子が2つ以上の反応基を有する場合、その分子はポリマの主鎖の一部になるゴム状又はエラストマポリマ材料を提供することにある。上記親水性分子は、もはや側鎖基ではない。
・ジアルキルシロキサン(好ましくは、ジメチルシロキサン)及び/又はアリールシロキサン(好ましくは、メチルフェニルシロキサン又はジフェニルシロキサン)の繰り返しユニットと、
・上記繰り返しユニットの1つのアルキル又はアリール基が親水性の側鎖基で置換された少なくとも1つの修飾ジアルキルシロキサン又は修飾アリールシロキサンの繰り返しユニットと
を有し、繰り返しユニット(a)及び繰り返しユニット(b)の合計数が5以上1000未満であるようなものである。本発明の1つの具体的な形態では、繰り返しユニット(b)は、繰り返しユニット(a)及び繰り返しユニット(b)の合計数の1%から30%までになる。繰り返しユニット(a)は、以下で「シリコーン前駆体」と呼ばれるものの一部を形成する。繰り返しユニット(a)は、単一型(例えば、好ましくはジメチルシロキサン)のものであっても、任意の比率の混合型(例えば、ジメチルシロキサン及びジフェニルシロキサン)のものであってもよい。後者の場合、繰り返しユニット(a)は、ポリマ鎖にランダムに配されてもよいし、ブロック共重合体、例えば、ポリジフェニルシロキサン−ポリジメチルシロキサン−ポリジフェニルシロキサンのトリブロック共重合体の形態で配されてもよい。
・1つ以上の疎水性有機モノマからの繰り返しユニットと、
・1つ以上の親水性側鎖基で修飾された1つ以上のモノマ(a)からの繰り返しユニットと
を有している。側鎖基及び主鎖の解説、並びに、2つ以上の反応基を有する親水性分子が、どの架橋化学が用いられるかに依存して、親水性分子が側鎖基ではなくポリママトリクスの主鎖の一部になるポリマをもたらすかの解説を参照されたい。
・1つ以上の疎水性有機モノマ又はプレポリマと、
・特に液相での重合状況下において、上記疎水性有機モノマ又はプレポリマ(a)を修飾することができる1つ以上の親水性モノマであって、例えば陽イオンと会合するC3-28アルケニルスルホン酸塩である1つ以上の親水性モノマと、
・重合状態下における上記疎水性有機モノマ又はプレポリマ(a)中の上記親水性モノマ(b)の溶解性又は混和性を強めるのに十分な量の配位化合物又は溶媒と
を有している。
(a)シリコーン前駆体及び1つ以上の親水性モノマ(好ましくは、ビニル終端した親水性モノマ又は架橋反応に参加する他の反応基)又はポリマを与えるステップと、
(b)(5日以上のような)飽和に達するのに十分な時間室温で脱塩水に浸漬した後、5重量%よりも多く(好ましくは10重量%よりも多く、より好ましくは15重量%よりも多く、最も好ましくは20重量%よりも多く、)、最大で500重量%(又は、最大で250重量%若しくは120重量%まで)の水を吸収する親水性のシリコーンをベースとするゴム材料を得るまで、上記親水性モノマ又はポリマの存在下で上記シリコーン前駆体を重合するステップと
を有している。
(a)シリコーン前駆体及び1つ以上の親水性のイオン性モノマ(好ましくは、ビニル終端した親水性のイオン性モノマ又は架橋反応に参加する他の反応基)又はポリマを与えるステップと、
(b)上記親水性のイオン性モノマ又はポリマの存在下及び配位化合物又は溶媒の更なる存在下で上記シリコーン前駆体を重合するステップと
を有している。
(a)Si−O繰り返しユニットを有するシリコーン前駆体を与えるステップであって、上記シリコーン前駆体におけるSi−O繰り返しユニットの数が5以上1000未満である当該ステップと、
(b)1つ以上の親水性モノマ(好ましくは、ビニル終端した親水性モノマ)又はポリマを与えるステップと、
(c)上記親水性モノマ又はポリマの存在下で上記シリコーン前駆体を重合するステップと
を有している。
・アルファオレフィンスルホン酸ナトリウムをシリコーン前駆体材料の或る成分及びクラウンエーテル又は溶媒混合媒介物と混合するステップと、
・シリコーン前駆体B成分を加えるステップと、
・再度混合し、親水性のシリコーン混合物を得るステップと
を含んでいる。
・1つ以上の疎水性有機モノマを与えるステップと、
・1つ以上の親水性モノマ又はポリマを与えるステップと、
・ゴム状又はエラストマポリマ材料を得るまで、上記親水性モノマ又はポリマの存在下で上記疎水性有機モノマを重合するステップであって、上記1つ以上の疎水性有機モノマからの繰り返しユニットが上記1つ以上の親水性モノマ又はポリマからの親水性基で修飾され、上記ゴム状又はエラストマポリマ材料は、(これに限定されないが5日以上のような)飽和に達するのに十分な時間室温で脱塩水に浸漬した後、5重量%よりも多く、最大で500重量%の水を吸収している当該ステップと
を有している。
疎水性材料は、親水性材料の水接触角よりも大きい水接触角により特徴付けられる。接触角が大きいほど、材料はより疎水性であり、接触角が小さいほど、材料はより親水性である。
・n及びmの値は、3から28、好ましくは10から18、より好ましくは12から16に及び、
・oの値は5から1000に及ぶ。
・H.J. Schneider et al., Chemical Society Reviews (2008) 37, 263-277、
・Barannikov, Russian Journal of Coordination Chemistry (2002) 28, 153-162及び
・J.W. Steed, Coordination Chemistry Reviews (2001) 215, 171-221
並びにこれらの中の参考文献に説明されている。
・クラウンエーテルを伴わず、20重量%のアルファオレフィンスルホン酸ナトリウムから作られた材料サンプル(サンプルB)及び
・製造会社の使用説明書に従って市販のシリコーンエラストマElastosil LR 3004/40で作られた材料サンプル(サンプルC)
の水分の取り込みと比較された。
Claims (11)
- (a)ジアルキルシロキサン、ジアリルシロキサン及びシリコーン前駆体からなる群から選択される1つ以上の疎水性有機モノマの繰り返しと、
(b)1つ以上の親水性側鎖基である1つ以上のC 3 -C 28 アルキルスルホン酸基の側鎖で修飾された1つ以上のモノマ(a)の繰り返しと、
クラウンエーテル、クリプタンド、カリックスアレーン及びこれらの混合物から成るグループから選択される配位子と
を有するゴム状又はエラストマポリマ材料を有する、医療用装置。 - 人間の顔の一部に調節する密閉具、鼻栓、耳栓、滅菌包帯、医療用コットン、吸収パッド、カテーテル、バルーン、医療用チューブ、人工インプラント、矯正装置、歯列矯正装置、医療用及び外科用ワイプ、褥瘡防止装置、経皮的パッチ、非帯電極性薬物及び正又は負に帯電した薬物用の送達装置、抗瘢痕ギブス、ボディコンタクトバンド、ヘアケア製品及び医学的診断又は治療のための生体適合性装置よりなる群から選択された、請求項1記載の医療用装置。
- 前記ゴム状又はエラストマポリマ材料が、人間の皮膚又は粘膜と接触するためのものである、請求項1記載の医療用装置。
- (a)ジアルキルシロキサン、ジアリルシロキサン及びシリコーン前駆体からなる群から選択される1つ以上の疎水性有機モノマの繰り返しと、
(b)1つ以上の親水性側鎖基である1つ以上のC 3 -C 28 アルキルスルホン酸基の側鎖で修飾された1つ以上のモノマ(a)の繰り返しと、
クラウンエーテル、クリプタンド、カリックスアレーン及びこれらの混合物から成るグループから選択される配位子と
を有するゴム状又はエラストマポリマ材料を有する、非医療用装置。 - 外的及びインイヤ式のヘッドセット、イヤクリップ、眼鏡の鼻及び/又は耳の部分、ハンドル、靴の布地及び非布地部分、金属又はプラスチックで作られたビルの構成要素、船の部品、印刷用スタンプ、衣類の繊維、化粧品組成物、印刷用インク、トナー組成物、塗料又は被覆組成物、界面活性剤組成物、消泡剤、圧延油製剤、ウェハ接着剤、帯電防止剤、リソグラフィ板用の現像液、人工海綿、曇り止め剤、不織布製品、ボディコンタクトベルト及びバンド、シート、高反射性製品、摺動輸送システム、摺動封止リング並びにシリコーンリングにおけるオイルバリアよりなる群から選択された、請求項4記載の非医療用装置。
- 前記ゴム状又はエラストマポリマ材料がシートの形態である、請求項1ないし5のいずれか一項に記載の装置。
- 前記ゴム状又はエラストマポリマ材料が発泡体の形態である、請求項1ないし5のいずれか一項に記載の装置。
- 前記発泡体の密度が60から300kg/m3までである、請求項7記載の装置。
- 前記ゴム状又はエラストマポリマ材料が、基体に接着するのに適した被覆物の形態である、請求項1ないし5のいずれか一項に記載の装置。
- 前記ゴム状又はエラストマポリマ材料が繊維の形態である、請求項1ないし5のいずれか一項に記載の装置。
- 前記疎水性有機モノマ(a)が、ジアルキルシロキサン及びジアリールシロキサンよりなる群から選択され、前記繰り返しユニット(a)及び前記繰り返しユニット(b)の合計数が5以上1000未満である、請求項1ないし10のいずれか一項に記載の装置。
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