JP5668065B2 - 被覆マイクロファイバー・ウェブおよびその製造方法 - Google Patents
被覆マイクロファイバー・ウェブおよびその製造方法 Download PDFInfo
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- JP5668065B2 JP5668065B2 JP2012524219A JP2012524219A JP5668065B2 JP 5668065 B2 JP5668065 B2 JP 5668065B2 JP 2012524219 A JP2012524219 A JP 2012524219A JP 2012524219 A JP2012524219 A JP 2012524219A JP 5668065 B2 JP5668065 B2 JP 5668065B2
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- microfiber web
- radiation protection
- polyurethane
- fluoropolymer
- coated
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2262—Coating or impregnation is oil repellent but not oil or stain release
- Y10T442/227—Fluorocarbon containing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/259—Coating or impregnation provides protection from radiation [e.g., U.V., visible light, I.R., micscheme-change-itemave, high energy particle, etc.] or heat retention thru radiation absorption
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/259—Coating or impregnation provides protection from radiation [e.g., U.V., visible light, I.R., micscheme-change-itemave, high energy particle, etc.] or heat retention thru radiation absorption
- Y10T442/2598—Radiation reflective
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/627—Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
- Y10T442/635—Synthetic polymeric strand or fiber material
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Laminated Bodies (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Description
(i)フルオロポリマーを含浸させたマイクロファイバー・ウェブと、
(ii)マイクロファイバー・ウェブの片面のみに存在するポリウレタンからなるレイヤーとを具備する。
(a)マイクロファイバー・ウェブを用意するステップ
(b)フルオロポリマーを含有する含浸組成物を前記マイクロファイバー・ウェブに含浸させるステップ
(c)含浸させたマイクロファイバー・ウェブを乾燥するステップ
(d)乾燥した前記含浸マイクロファイバー・ウェブの片面のみに、ポリウレタンを含有するコーティング組成物を適用するステップ
(e)前記ステップ(d)で得たマイクロファイバー・ウェブを熱処理するステップ
(α)放射線防護材と、
(β)本発明の被覆マイクロファイバー・ウェブと、
を含んでなる。被覆マイクロファイバー・ウェブのポリウレタン・コート面が放射線防護材の側になるようにして、前記の被覆マイクロファイバー・ウェブを放射線防護材の少なくとも1つの面に設ける。
本発明は、被覆したマイクロファイバー・ウェブに関するものである。前記の被覆マイクロファイバー・ウェブは、
(i)フルオロポリマーを含浸させたマイクロファイバー・ウェブと、
(ii)マイクロファイバー・ウェブの片面のみに存在するポリウレタン含有レイヤーとを具備する。
ペルフルオロアルキルユニット−任意選択のスペーサー−重合性基
H2C=CR−C(O)−O−(CH2)n−CmF2m+1
前式中のRはHまたはCH3である。nは0から約8であって、好ましくは0から約6である。mは約4から約12である。
アルキルユニット−任意選択のスペーサー−重合性基
H2C=CR−C(O)−O−CpH2p+1
前式中のRはHまたはCH3であり、pは約1から約12である。
官能性ユニット−任意選択のスペーサー−重合性基
H2C=CR−C(O)−O−CpH2pX
前式中のRはHまたはCH3であり、pは約1から約12である。XはOH、SH、NH2、およびN−メチロールスルホンアミドから選択される官能基である。
本発明の被覆マイクロファイバー・ウェブの製造は、種々の工程を用いて行い得る。好ましい工程の1つを次に記載する。
先ずマイクロファイバー・ウェブを用意する。出発材料として用いるマイクロファイバー・ウェブは、上記で詳細に記載したものである。
フルオロポリマーを含有する含浸組成物を、マイクロファイバー・ウェブに含浸させる。適当なフルオロポリマーは上記記載のものである。
含浸後、含浸したマイクロファイバー・ウェブを乾燥する。
処理液ピックアップ率(Ti)[%]=100×(mwet(Ti)-mdry(Ti))/mdry(Ti)
乾燥ステップ後、乾燥した含浸マイクロファイバー・ウェブの片面のみに、ポリウレタンを含有するコーティング組成物を適用する。ポリウレタン含有レイヤーの成分は上記で詳細に記載した。
浸透度=100×d1/d2
ステップ(e)では、ステップ(d)で得られた(任意選択で乾燥した)被覆マイクロファイバー・ウェブを熱処理する。このステップの条件選択は、フルオロポリマー分子の再配向が起こるように行う。
本発明の被覆マイクロファイバー・ウェブは、放射線防護装置中の放射線防護材の被覆として用いることができる。この場合には、放射線防護材の少なくとも1つの面に被覆マイクロファイバー・ウェブを設ける。この際には、ポリウレタン・コート面が放射線防護材の側にあるようにする。
機械的影響、
微生物侵入(例えば細菌、ウィルス、および真菌)、
例えば洗浄剤または消毒剤による化学的影響、
光の影響、および/または、
例えば血液、尿、または汗等の体液の透過。
50重量部 インプラニル(Impranil)DLP−R(ポリマー分散液)(バイエル社)
0.2重量部 アジタン(Agitan)218(脱気剤)(ムンジング化学社)
0.4重量部 アフロチン(Afrotin)FG(防カビ剤)(シル・ウント・ザイラッハ社)
0.4重量部 Byk 333(耐擦り傷性向上添加剤)(BYK化学社)
0.8重量部 テゴフォーベ(Tegophobe)1650(防水剤)(デグッサ社)
1.2重量部 コロイド珪酸
41.7重量部 水
0.3重量部 レオレート(Rheolate)255(粘ちょう剤)(エレメンティス社)
4.2重量部 エフォラール(Evoral)(フルオロポリマー)(シル・ウント・ザイラッハ社)
0.8重量部 ホンビテック(Hombitec)RM400(つや消し剤)(ザハトレーベン・ヒェミー社)
乾燥部1:80℃
乾燥部2:120℃
乾燥部3から乾燥部5:160℃
細菌透過性(乾燥試験):log10cfu:0
液体透過性:>200cm
(清浄度)
付着微生物:log10(cfu/dm2)<0.3.
特定物質:特定物質指数<3.3
発塵性:log10微粒子(2-25μm)<3.7
(強度)
破裂強さ(乾燥試験):>750kPa
破裂強さ(湿潤試験):>750kPa
引裂強さ(乾燥試験):>750N/5cm
引裂強さ(湿潤試験):>680N/5cm
2 マイクロファイバー
3 導電性ファイバー
4 ポリウレタン含有レイヤー
5 放射線防護材
6 放射線防護装置
Claims (25)
- (i)フルオロポリマーを含浸させたマイクロファイバー・ウェブと、
(ii)前記マイクロファイバー・ウェブの片面のみに存在するポリウレタン含有レイヤーと、を備える被覆マイクロファイバー・ウェブ、または
(a)マイクロファイバー・ウェブを用意するステップと、
(b)フルオロポリマーを含有する含浸組成物を前記マイクロファイバー・ウェブに含浸させるステップと、
(c)前記含浸マイクロファイバー・ウェブを乾燥するステップと、
(d)乾燥した前記含浸マイクロファイバー・ウェブの片面のみに、ポリウレタンを含有するコーティング組成物を適用するステップと、
(e)前記(d)のステップで得たマイクロファイバー・ウェブを熱処理するステップと、
を含む製造方法により得られる被覆マイクロファイバー・ウェブの放射線防護材の被覆としての使用であって、
放射線防護材の少なくとも1つの面に被覆マイクロファイバー・ウェブを備え、
ポリウレタン・コート面が放射線防護材の側にあることを特徴とする被覆マイクロファイバー・ウェブの使用。 - 未被覆のマイクロファイバー・ウェブ100gにつきフルオロポリマーが0.2gから5gであることを特徴とする請求項1に記載の被覆マイクロファイバー・ウェブの使用。
- ポリウレタン含有レイヤーの厚さが3g/m2から50g/m2であることを特徴とする請求項1または請求項2に記載の被覆マイクロファイバー・ウェブの使用。
- ポリウレタン含有レイヤーが、ポリウレタン100重量部につき3重量部から30重量部のフッ素樹脂をさらに含有することを特徴とする請求項1から請求項3のいずれか1項に記載の被覆マイクロファイバー・ウェブの使用。
- ポリウレタン含有レイヤーが、ポリウレタン100重量部につき1重量部から10重量部の二酸化ケイ素をさらに含有することを特徴とする請求項1から請求項4のいずれか1項に記載の被覆マイクロファイバー・ウェブの使用。
- 下記化学式のペルフルオロアルキル含有アクリラートをポリマー化することによってフルオロポリマーを作成できることを特徴とする請求項1から請求項5のいずれか1項に記載の被覆マイクロファイバー・ウェブの使用。
H2C=CR−C(O)−O−(CH2)n−CmF2m+1
(式中のRはHまたはCH3であり、nは0から8であり、mは4から12である) - フルオロポリマーが、ペルフルオロアルキル含有アクリラートと、
(i)少なくとも1つの下記化学式のアルキル含有アクリラート
H2C=CR−C(O)−O−CpH2p+1
(式中のRはHまたはCH3であり、pは1から12である)
および/または、
(ii)少なくとも1つの下記化学式の官能性モノマー
H2C=CR−C(O)−O−CpH2pX
(式中のRはHまたはCH3であり、pは1から12であり、XはOH、SH、NH2、およびN−メチロールスルホンアミドから選択される官能基である)
とをコポリマー化することによって得られるコポリマーであることを特徴とする請求項6に記載の被覆マイクロファイバー・ウェブの使用。 - 40℃から110℃の温度で10秒から240秒の時間に渡って前記ステップ(c)の乾燥を実施することを特徴とする請求項1に記載の被覆マイクロファイバー・ウェブの使用。
- 120℃から190℃の温度で10秒から240秒の時間に渡って、前記ステップ(e)の熱処理を実施することを特徴とする請求項1または8に記載の被覆マイクロファイバー・ウェブの使用。
- マイクロファイバー・ウェブ上にフルオロポリマー分子がランダムに付着するように且つフルオロポリマー分子の再配向が起こらないように、前記ステップ(c)における含浸マイクロファイバー・ウェブの乾燥を実施することを特徴とする請求項1に記載の被覆マイクロファイバー・ウェブの使用。
- フルオロポリマー分子の再配向が起こって疎水性フッ素原子がレイヤー表面に配置されるように、前記ステップ(e)の熱処理を実施することを特徴とする請求項1または請求項10に記載の被覆マイクロファイバー・ウェブの使用。
- 放射線防護装置であって、
(α)放射線防護材と、
(β)(i)フルオロポリマーを含浸させたマイクロファイバー・ウェブと、
(ii)前記マイクロファイバー・ウェブの片面のみに存在するポリウレタン含有レイヤーと、を備える被覆マイクロファイバー・ウェブ、または
(a)マイクロファイバー・ウェブを用意するステップと、
(b)フルオロポリマーを含有する含浸組成物を前記マイクロファイバー・ウェブに含浸させるステップと、
(c)前記含浸マイクロファイバー・ウェブを乾燥するステップと、
(d)乾燥した前記含浸マイクロファイバー・ウェブの片面のみに、ポリウレタンを含有するコーティング組成物を適用するステップと、
(e)前記(d)のステップで得たマイクロファイバー・ウェブを熱処理するステップと、を含む製造方法により得られる被覆マイクロファイバー・ウェブと、を含んでなり、
放射線防護材の少なくとも1つの面に被覆マイクロファイバー・ウェブを備え、ポリウレタン・コート面が放射線防護材の側にあることを特徴とする放射線防護装置。 - 未被覆のマイクロファイバー・ウェブ100gにつきフルオロポリマーが0.2gから5gであることを特徴とする請求項12に記載の放射線防護装置。
- ポリウレタン含有レイヤーの厚さが3g/m2から50g/m2であることを特徴とする請求項12または請求項13に記載の放射線防護装置。
- ポリウレタン含有レイヤーが、ポリウレタン100重量部につき3重量部から30重量部のフッ素樹脂をさらに含有することを特徴とする請求項12から請求項14のいずれか1項に記載の放射線防護装置。
- ポリウレタン含有レイヤーが、ポリウレタン100重量部につき1重量部から10重量部の二酸化ケイ素をさらに含有することを特徴とする請求項12から請求項15のいずれか1項に記載の放射線防護装置。
- 下記化学式のペルフルオロアルキル含有アクリラートをポリマー化することによってフルオロポリマーを作成できることを特徴とする請求項12から請求項16のいずれか1項に記載の放射線防護装置。
H2C=CR−C(O)−O−(CH2)n−CmF2m+1
(式中のRはHまたはCH3であり、nは0から8であり、mは4から12である) - フルオロポリマーが、ペルフルオロアルキル含有アクリラートと、
(i)少なくとも1つの下記化学式のアルキル含有アクリラート
H2C=CR−C(O)−O−CpH2p+1
(式中のRはHまたはCH3であり、pは1から12である)
および/または、
(ii)少なくとも1つの下記化学式の官能性モノマー
H2C=CR−C(O)−O−CpH2pX
(式中のRはHまたはCH3であり、pは1から12であり、XはOH、SH、NH2、およびN−メチロールスルホンアミドから選択される官能基である)
とをコポリマー化することによって得られるコポリマーであることを特徴とする請求項17に記載の放射線防護装置。 - 40℃から110℃の温度で10秒から240秒の時間に渡って前記ステップ(c)の乾燥を実施することを特徴とする請求項12に記載の放射線防護装置。
- 120℃から190℃の温度で10秒から240秒の時間に渡って、前記ステップ(e)の熱処理を実施することを特徴とする請求項12または19に記載の放射線防護装置。
- マイクロファイバー・ウェブ上にフルオロポリマー分子がランダムに付着するように且つフルオロポリマー分子の再配向が起こらないように、前記ステップ(c)における含浸マイクロファイバー・ウェブの乾燥を実施することを特徴とする請求項12に記載の放射線防護装置。
- フルオロポリマー分子の再配向が起こって疎水性フッ素原子がレイヤー表面に配置されるように、前記ステップ(e)の熱処理を実施することを特徴とする請求項12または21に記載の放射線防護装置。
- 放射線防護材がX線放射を遮蔽するのに適することを特徴とする請求項12から請求項22のいずれか1項に記載の放射線防護装置。
- 放射線防護材が鉛を含有しないことを特徴とする請求項12から請求項23のいずれか1項に記載の放射線防護装置。
- 放射線防護材の両面に被覆マイクロファイバー・ウェブを備え、両面においてポリウレタン・コート面が放射線防護材の側にあることを特徴とする請求項12から請求項24のいずれか1項に記載の放射線防護装置。
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US61/234,014 | 2009-08-14 | ||
PCT/EP2010/061631 WO2011018459A1 (de) | 2009-08-14 | 2010-08-10 | Beschichtete mikrofaserbahn und verfahren zur herstellung derselben |
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JP2013501859A (ja) | 2013-01-17 |
CN102471992A (zh) | 2012-05-23 |
DE102009037565A1 (de) | 2011-02-24 |
US8803115B2 (en) | 2014-08-12 |
CN102471992B (zh) | 2014-01-08 |
EP2464781A1 (de) | 2012-06-20 |
EP2464781B1 (de) | 2013-10-30 |
US20120181458A1 (en) | 2012-07-19 |
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