JP7379587B2 - 化学修飾基材 - Google Patents
化学修飾基材 Download PDFInfo
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- JP7379587B2 JP7379587B2 JP2022078430A JP2022078430A JP7379587B2 JP 7379587 B2 JP7379587 B2 JP 7379587B2 JP 2022078430 A JP2022078430 A JP 2022078430A JP 2022078430 A JP2022078430 A JP 2022078430A JP 7379587 B2 JP7379587 B2 JP 7379587B2
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- modified
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- polyolefin
- polymeric
- chemically modified
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-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
- Y10T428/2975—Tubular or cellular
-
- 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
- Y10T442/2139—Coating or impregnation specified as porous or permeable to a specific substance [e.g., water vapor, air, etc.]
- Y10T442/2148—Coating or impregnation is specified as microporous but is not a foam
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- Manufacturing & Machinery (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Laminated Bodies (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Cell Separators (AREA)
- Paints Or Removers (AREA)
Description
本出願は、2011年7月18日出願の米国仮特許出願第61/508,725号および2011年10月17日出願の米国仮特許出願第61/547,812号のそれぞれへの優先権および利益を主張するものであり、双方ともに、本明細書本明細書に完全に組み込まれる。
a.ポリマー表面は、以下のポリマー分類からの任意の合成または天然ポリマーまたはコポリマーであってもよい:オレフィン、スチレン、シリコーン、ウレタン、アクリレート、エステル、ビニル、セルロース、アミド、アラミド、エーテル、および同等物。それらはまた、フェノールホルムアルデヒド樹脂またはブタジエン、イソプレン、およびネオプレン等のゴム系材料といった架橋ネットワーク材料であってもよい。加えて、PTFE、PVDF、PVDC、およびPVC等のポリマーを含有する他のハロゲンの修飾が、達成され得る。
b.成分Aは、典型的には、疎水性または疎油性処理用途において見られる材料である。織物加工またはキチン質に基づく材料として大量に使用されるフッ素化アクリルコポリマー系等の材料は、油分に対する好適な抵抗を提供し得る。加えて、成分Aは、抵抗強化のためのナノスケール粗度を生成する追加のナノ粒子を有する複合体材料であってもよい。
c.成分Bは、原位置でカルベン種および/またはニトレン種を生成するように調整されたペンダント官能基を有する多機能材料(f>2.0)である。
2.これらの付着量は、有機溶液または水溶液からもたらされてもよく、加熱処理または紫外線への曝露によって発生する。
a.修飾は、所期の用途に必要とされる表面特性をもたらすのに十分な量で、表面に付加され得る。典型的な適用量は、約0.05g/m2~1.0g/m2以上の範囲であってもよく、いくつかの要因の中でも特に、基材表面領域、溶液粘度、硬化速度に依存する。
b.成分AとBとの割合は、最高の特性を生成するように可変であってもよい。典型的なA/Bの付着量割合は、約0.5~200.0以上の範囲であってもよく、所望の表面特性およびAとBの反応性に依存する。
Claims (5)
- 化学修飾基材であって、
表面を有する微多孔性ポリオレフィン基材と、
前記基材の前記表面上に0.05g/m2~1.0g/m2の量、コーティングされた化学修飾官能化ポリマー(A-B)であって、官能化ポリマー(成分A)および架橋結合修飾因子(成分B)からなる化学修飾官能化ポリマー(A-B)と、を含み
前記化学修飾官能化ポリマー(A-B)は、前記ポリオレフィン基材に前記成分Bおよび前記ポリオレフィン表面間のニトレン挿入反応から形成される共有結合を介して前記ポリオレフィン基材に繋ぎ止められ、
前記修飾基材が少なくとも48ダイン/cmの表面エネルギーを有し、前記成分Aは、エチレンオキシド、フッ素化ポリマー、フッ素化オリゴマー及びフッ素化コポリマーからなる群より選ばれる化学修飾基材。 - 前記微多孔性ポリオレフィン基材は多層膜、単層膜、ポリエチレン膜、ポリプロピレン膜、又はこれらの組合せを含む請求項1に記載の化学修飾基材。
- 請求項1に記載の化学修飾基材を備える電池セパレータ。
- アノード、カソード、前記アノードと前記カソードの間に配置される請求項1に記載の化学修飾基材を備える電池セパレータ、及び前記アノードと前記カソードの間を交流する電解質を備える電池。
- リチウムイオン電池である請求項4に記載の電池。
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