JP2013163818A - 脱臭性の超吸収性組成物 - Google Patents
脱臭性の超吸収性組成物 Download PDFInfo
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- JP2013163818A JP2013163818A JP2013096038A JP2013096038A JP2013163818A JP 2013163818 A JP2013163818 A JP 2013163818A JP 2013096038 A JP2013096038 A JP 2013096038A JP 2013096038 A JP2013096038 A JP 2013096038A JP 2013163818 A JP2013163818 A JP 2013163818A
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Abstract
【解決手段】
本発明は、臭気吸収・超吸収性組成物、臭気吸収・超吸収性組成物の製造方法、臭気吸収・超吸収性組成物を含む複合体、複合体を含む衛生用品、臭気吸収・超吸収性組成物又は複合体を含む化学製品又は臭気吸収・超吸収性組成物又は複合体からなる化学製品、化学製品における臭気吸収・超吸収性組成物又は複合体の使用に関する。
【選択図】図1
Description
i.吸水性ポリマー構造体と、
ii.b1.アミノ酸又はb2.下記一般式Iで表される化合物を含む臭気結合剤と、
を含む臭気吸収・超吸収性組成物に関する。
Xは、存在しないか([]nの炭素と[]mの炭素との間に炭素の直接結合が存在する場合)、1〜5個、好ましくは1〜3個の二重結合、特に好ましくは1個の二重結合のみを含む二重結合系であって、少なくとも2個の二重結合を含む場合には、好ましくは共役二重結合系であり、
Mは、荷電又は非荷電、好ましくは荷電金属であり、
mは、1〜15、好ましくは3〜12、より好ましくは5〜9であり、
nは、1〜5、好ましくは1〜3、より好ましくは1であり、
oは1〜4、好ましくは1〜3、特に好ましくは1〜2、より好ましくは2である。)
(α1)20〜99.999重量%、好ましくは55〜98.99重量%、特に好ましくは70〜98.79重量%のエチレン性不飽和酸性基含有モノマー又はその塩、プロトン化又は四級化窒素を含むエチレン性不飽和モノマー、あるいはそれらの混合物(少なくともエチレン性不飽和酸性基含有モノマー、好ましくはアクリル酸を含む混合物が特に好ましい)と、
(α2)0〜80重量%、好ましくは0〜44.99重量%、特に好ましくは0.1〜44.89重量%の、(α1)と共重合可能な重合性モノエチレン性不飽和モノマーと、
(α3)0.001〜5重量%、好ましくは0.01〜3重量%、特に好ましくは0.01〜2.5重量%の1種以上の架橋剤と、
(α4)0〜5重量%、好ましくは0.001〜2.5重量%、最も好ましくは0.01〜1重量%の金属塩と、
(α5)0〜5重量%、好ましくは0.01〜2.5重量%、最も好ましくは0.1〜1重量%の金属酸化物と、
(α6)0〜30重量%、好ましくは0〜5重量%、特に好ましくは0.1〜5重量%の水溶性ポリマーと、
(α7)0〜20重量%、好ましくは2.5〜15重量%、特に好ましくは3〜10重量%の水と、
(α8)0〜20重量%、好ましくは0〜10重量%、特に好ましくは0.1〜8重量%の1種以上の添加剤と、からなるポリマー構造体である((α1)〜(α8)の合計重量は100重量%である)。
a)必要に応じて部分的に中和された酸性基含有エチレン性不飽和モノマーを架橋剤の存在下でラジカル重合してヒドロゲルを形成する。
b)必要に応じてヒドロゲルを粉砕する。
c)必要に応じて粉砕されたヒドロゲルを乾燥して吸水性ポリマー構造体を得る。
d)得られた吸水性ポリマー構造体を必要に応じて粉砕し、所望の粒径に篩い分ける。
e)得られた吸水性ポリマー構造体を必要に応じてさらに表面変性する。
(α1)エチレン性不飽和酸性基含有モノマー又はその塩(アクリル酸が酸性基含有モノマーとして最も好ましい)。
(α2)必要に応じて、(α1)と共重合可能なモノエチレン性不飽和モノマー。
(α3)架橋剤。
(α6)必要に応じて、水溶性ポリマー。
(α8)必要に応じて、1種以上の添加剤。
I.好ましくは上述した方法で得ることができる吸水性ポリマー構造体を用意する工程と、
II.吸水性ポリマー構造体の表面を成分B1又はB2を含む臭気結合剤と接触させる工程と、
を含む方法に関する。
・ERT441−2−02に準拠した保持率が少なくとも20g/g、好ましくは少なくとも25g/g、特に好ましくは25〜50g/g。
・0.7psiでの圧力下吸収率が少なくとも10g/g、好ましくは13/g、特に好ましくは13〜30g/g。
水酸化ナトリウム溶液によって70モル%まで中和したアクリル酸280g、水466.8g、ポリエチレングリコール−300−ジアクリレート1.4g、アリルオキシポリエチレングリコールアクリル酸エステル1.68gからなるモノマー溶液に窒素パージにより溶存酸素を除去し、開始温度の4℃に冷却した。開始温度に達した後、開始剤溶液(H2O 10gに溶解したペルオキシ二硫酸ナトリウム0.3g、H2O 1gに溶解した30%過酸化水素溶液0.07g、H2O 2gに溶解したアスコルビン酸0.015g)を添加した。約100℃の最終温度に達した後、得られたゲルを細かく刻み、約1〜3mmの粒子を有する顆粒を試料aとして得た。水分は約50%であった。
試料aを150℃で120分間乾燥した。乾燥したポリマーを粗く砕き、粉砕し、粒径が150〜850μmの粉末を篩い分け、ERT420.2−02に準拠した平均粒径520μmを有する試料bを得た。ERT430.1−99に準拠して測定した水分は5%であった。
後架橋のために、得られた試料bの粉末100gを、1,3−ジオキソラン(dioxalan)−2−オン1g及び水3gを溶解した溶液と激しく混合した後、オーブン内において180℃で30分間加熱した。得られた試料cのERT420.2−02に準拠した平均粒径は525μmであった。ERT430.1−99に準拠して測定した試料cの水分は4.5%であった。
100乾燥重量部の試料aを用意し、表1に示した量(乾燥質量部に基づく)の臭気結合剤と混合した。次に、混合物を細かく刻むことによって均一にし、150℃で120分間乾燥した。乾燥したポリマーを粗く砕き、粉砕し、粒径が150〜850μmの粉末を篩い分け、ERT420.2−02に準拠した平均粒径515μmを有する試料bを得た。ERT430.1−99に準拠して測定した水分は5.5%であった。後架橋のために、得られた粉末100gを、1,3−ジオキソラン(dioxalan)−2−オン1g及び水3gを溶解した溶液と激しく混合した後、オーブン内において180℃で30分間加熱した。得られた製品を、表1の項目に従って分析した。使用したTegosorb(登録商標)型はゴールドシュミット社(Goldschmidt GmbH)から市販されている。対照試料は、臭気結合剤を添加しないこと以外は上述同様に扱った。
100乾燥質量部の試料cを用意し、表2に示した量(乾燥重量部に基づく)の臭気結合剤と混合し、ミッシュテクニックインダストリーアンラーゲン(Mischtechnik Industrieanlagen)社製のMITミキサー(型番:LM1,5/5)内で均一にした。分析結果を表2に示す。
約75モル%まで部分的に中和された実質的に軽架橋アクリル酸からなり、ストックハウゼン(Stockhausen GmbH)社から市販されている100乾燥質量部の後架橋超吸収性ポリマーFAVOR(登録商標)SXM9155を用意し、表3に示す量(乾燥質量に基づく)の臭気結合剤と混合し、上記指定のMITミキサー内で均一にした。
100乾燥質量部の試料d(中和度を50モル%としたこと以外は試料cと同様に製造)を、1乾燥重量%のTegosorb(登録商標)A30のa)15%又はb)25%溶液と混合し、80rpmの回転速度を有するローラーベンチ上で円筒型ガラス製ボトル内において室温で30分間混合し、室温で24時間乾燥した。a)を使用した場合には、粒径が150〜850μmの粉末を篩い分け、ERT420.2−02に準拠した平均粒径517μmを有する試料e−aを得た。ERT430.1−99に準拠して測定した水分は7%であった。b)を使用した場合には、粒径が150〜850μmの粉末を篩い分け、ERT420.2−02に準拠した平均粒径521μmを有する試料e−bを得た。ERT430.1−99に準拠して測定した水分は6.9%であった。
約75モル%まで部分的に中和された実質的に軽架橋アクリル酸からなり、ストックハウゼン社から市販されている100乾燥質量部の後架橋超吸収性ポリマーFavor(登録商標)SXM9155を用意し、2乾燥質量部の臭気結合剤としてシステインの15%水溶液と混合し、上記指定のMITミキサー内で均一にした。次に、混合物を、ERT430.1−99に準拠して測定した水分が6.5%になるまで水流真空ポンプ内で30℃で乾燥した。粒径が150〜850μmの粉末を篩い分け、ERT420.2−02に準拠した平均粒径523μmを有する試料fを得た。
試料bの調製は、5kgのスケール上における粉砕及び篩分け工程まで繰り返した。得られた製品を、レッチェ(Retsch)社製の遠心ミル(型番ZM100)内で粉砕し、分析篩い分け機(型番:AS200 control‘g’)によって、150μm未満の粒径を有する第1フラクションF1及び150〜850μmの粒径を有する第2フラクションF2を篩分けし、ERT420.2−02に準拠した平均粒径521μmを得た。
実施例9は、混合物への結合剤の添加前に、混合物に対して1%のTegosorb(登録商標)A30等のリシノール酸亜鉛を水性結合相に混合すること以外は、上記同様に実施した。得られた試料hのERT420.2−02に準拠した平均粒径は523μmであった。ERT430.1−99に準拠して測定した試料hの水分は4.5%であった。
100乾燥質量部の試料cを用意し、表4に示した量(乾燥重量部に基づく)の臭気結合剤と混合し、ミッシュテクニックインダストリーアンラーゲン社製のMITミキサー(型番:LM1,5/5)内で均一にした。分析結果を表4に示す。
100乾燥重量部の試料aを用意し、表1に示した量(乾燥質量部に基づく)の臭気結合剤と混合した。次に、混合物を細かく刻むことによって均一にし、150℃で120分間乾燥した。乾燥したポリマーを粗く砕き、粉砕し、粒径が150〜850μmの粉末を篩い分け、ERT420.2−02に準拠した平均粒径515μmを有する試料b’を得た。ERT430.1−99に準拠して測定した水分は5.5%であった。後架橋のために、得られた粉末100gを、1,3−ジオキソラン(dioxalan)−2−オン1g及び水3gを溶解した溶液と激しく混合した後、オーブン内において180℃で30分間加熱した。得られた製品を、表1の項目に従って分析した。使用したTegosorb(登録商標)型はゴールドシュミット社(Goldschmidt GmbH)から市販されている。対照試料は、臭気結合剤を添加しないこと以外は上述同様に扱った。
Claims (33)
- 前記臭気結合剤が前記成分b1及びb2を含む、請求項1に記載の組成物。
- 前記金属Mが1価、2価及び3価金属からなる群から選択される、請求項1又は2に記載の組成物。
- 前記成分b2がリシノール酸の金属塩である、前記請求項のいずれか1項に記載の組成物。
- 前記成分b2がリシノール酸の亜鉛塩である、前記請求項のいずれか1項に記載の組成物。
- 前記吸水性ポリマー構造体が、150μm未満のERT420.1−99に準拠して測定した粒径を有する超吸収性微粒子を前記吸水性ポリマー構造体に対して40重量%未満の量で含む、前記請求項のいずれか1項に記載の組成物。
- 前記吸水性ポリマー構造体が、150〜850μmのERT420.1−99に準拠して測定した粒径を有する粒子を前記吸水性ポリマー構造体に対して少なくとも60重量%の量で含む、前記請求項のいずれか1項に記載の組成物。
- 前記組成物が前記組成物に対して20重量%未満の架橋性未架橋ポリマーを含む、前記請求項のいずれか1項に記載の組成物。
- 前記吸水性ポリマー構造体が、
内部領域と、
前記内部領域を取り囲む外部領域と、
を含み、
前記外部領域が前記内部領域よりも高い架橋度を有する、前記請求項のいずれか1項に記載の組成物。 - 前記外部領域の内部又は表面における前記臭気結合剤の濃度が前記内部領域における前記臭気結合剤の濃度よりも高い、請求項9に記載の組成物。
- 前記吸水性ポリマー構造体が、
内部領域と、
前記内部領域を取り囲む外部領域と、
を含み、
前記外部領域の内部又は表面における前記臭気結合剤の濃度が前記内部領域における前記臭気結合剤の濃度よりも高い、前記請求項のいずれか1項に記載の組成物。 - 前記吸水性ポリマー構造体が前記成分b1とは異なる成分によって表面架橋されている、前記請求項のいずれか1項に記載の組成物。
- 前記アミノ酸がα−アミノ酸、β−アミノ酸又はγ−アミノ酸である、前記請求項のいずれか1項に記載の組成物。
- 前記アミノ酸がシステインである、前記請求項のいずれか1項に記載の組成物。
- 前記吸水性ポリマー構造体とは異なるiii.高分子結合剤をさらに含む、前記請求項のいずれか1項に記載の組成物。
- 前記高分子結合剤が2つ以上のOH基を含む、請求項15に記載の組成物。
- 前記臭気結合剤が前記成分B1及びB2を含む、請求項17に記載の方法。
- 前記金属Mが1価、2価又は3価金属からなる群から選択される、請求項17又は18に記載の方法。
- 前記成分B2がリシノール酸の金属塩である、請求項17〜19のいずれか1項に記載の方法。
- 前記成分B2がリシノール酸の亜鉛塩である、請求項17〜20のいずれか1項に記載の方法。
- 前記吸水性ポリマー構造体がヒドロゲルである、請求項17〜21のいずれか1項に記載の方法。
- 前記吸水性ポリマー構造体が、前記ポリマー構造体の10重量%未満の水分を有する、請求項17〜22のいずれか1項に記載の方法。
- 重合結合剤IIIの存在下で接触を行う、請求項17〜23のいずれか1項に記載の方法。
- 前記吸水性ポリマー構造体を前記接触前に表面架橋させる、請求項17〜24のいずれか1項に記載の方法。
- 前記吸水性ポリマー構造体が、150μm未満のERT420.1−99に準拠して測定した粒径を有する超吸収性微粒子を前記吸水性ポリマー構造体に対して40重量%未満の量で含む、請求項17〜25のいずれか1項に記載の方法。
- 前記吸水性ポリマー構造体が、150〜850μmのERT420.1−99に準拠して測定した粒径を有する粒子を前記吸水性ポリマー構造体に対して少なくとも60重量%の量で含む、請求項17〜26のいずれか1項に記載の方法。
- 前記組成物に対して20重量%未満の架橋性未架橋ポリマーを結合剤として使用する、請求項17〜27のいずれか1項に記載の方法。
- 請求項1〜16のいずれか1項に記載の超吸収性組成物又は請求項17〜28のいずれか1項に記載の方法によって得られる超吸収性組成物と、基材と、を含む複合体。
- 衛生用品コアとして形成された請求項30に記載の複合体であって、前記衛生用品コアに対して、少なくとも30重量%の請求項1〜16のいずれか1項に記載の超吸収性組成物又は請求項17〜28のいずれか1項に記載の方法によって得られる超吸収性組成物と、少なくとも1重量%の基材と、を含む複合体。
- 液体透過性表面シートと、液体非透過性裏面シートと、前記表面シートと前記裏面シートとの間に配置される請求項29又は30に記載の複合体と、を含む衛生用品。
- 請求項1〜16のいずれか1項に記載の吸収性組成物又は請求項17〜28のいずれか1項に記載の方法によって得られる吸収性組成物あるいは請求項29〜30のいずれか1項に記載の複合体を含む、発泡体、成形体、繊維、シート、フィルム、ケーブル、封止材、吸液性衛生用品、植物・菌類生育調節剤用担体、包装材料、土壌添加剤又は建設材料。
- 請求項1〜16のいずれか1項に記載の吸収性組成物又は請求項17〜28のいずれか1項に記載の方法によって得られる吸収性組成物あるいは請求項29〜30のいずれか1項に記載の複合体の、発泡体、成形体、繊維、シート、フィルム、ケーブル、封止材、吸液性衛生用品、植物・菌類生育調節剤用担体、包装材料、活性物質の制御放出のための土壌添加剤又は建設材料における使用。
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2006
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- 2006-11-17 TW TW095142567A patent/TWI402305B/zh not_active IP Right Cessation
- 2006-11-17 EP EP06818628A patent/EP1957193B1/de active Active
- 2006-11-17 KR KR1020087014683A patent/KR101407781B1/ko not_active IP Right Cessation
- 2006-11-17 WO PCT/EP2006/011055 patent/WO2007057203A2/de active Application Filing
- 2006-11-17 JP JP2008540523A patent/JP2009515691A/ja active Pending
- 2006-11-20 CN CN200610064232.9A patent/CN101036801B/zh not_active Expired - Fee Related
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2013
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Also Published As
Publication number | Publication date |
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CN101036801A (zh) | 2007-09-19 |
US8653320B2 (en) | 2014-02-18 |
KR20080077630A (ko) | 2008-08-25 |
DE102005055497A1 (de) | 2007-05-31 |
JP2009515691A (ja) | 2009-04-16 |
EP1957193A2 (de) | 2008-08-20 |
WO2007057203A3 (de) | 2007-12-13 |
EP1957193B1 (de) | 2012-10-03 |
WO2007057203A2 (de) | 2007-05-24 |
TW200734393A (en) | 2007-09-16 |
TWI402305B (zh) | 2013-07-21 |
KR101407781B1 (ko) | 2014-06-20 |
US20100035757A1 (en) | 2010-02-11 |
CN101036801B (zh) | 2014-08-06 |
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