Functional polymer membrane, manufacturing method therefor, ion exchange membrane and proton conductive membrane equipped with functional polymer membrane, and ion exchange device

Patent metadata

Field	Value
Publication number	US-10336873-B2
Application number	US-201514826746-A
Country	US
Kind code	B2
Filing date	Aug 14, 2015
Priority date	Mar 7, 2013
Publication date	Jul 2, 2019
Grant date	Jul 2, 2019

Abstract

A functional polymer membrane of the present invention contains a polymer containing at least a structure represented by the following Formula (I), a method for producing the membrane, and an ion exchange apparatus:

wherein R 1 and R 2 each represent a hydrogen atom or an alkyl group; R 3 to R 6 each represent a substituent; R 3 to R 6 may be bonded to each other and form a ring; A 1 to A 4 each represent a single bond or a divalent linking group; M 1 represents a hydrogen ion, an organic base ion, or a metal ion; J 1 represents a single bond, —O—, —S—, —SO 2 —, —CO—, —CR 8 R 9 —, or an alkenylene group, and R 8 and R 9 each represent a hydrogen atom, an alkyl group, or a halogen atom; and k1, k2, k3, k4, n1, n2, m1, m2, p, and q each represent a particular integer.

First claim

What is claimed is:

1. A functional polymer membrane comprising a polymer containing at least a structure represented by the following Formula (I):

wherein in Formula (I), R 1 and R 2 each independently represent a hydrogen atom or an alkyl group; R 3 , R 4 , R 5 and R 6 each independently represent a substituent, and k1, k2, k3 and k4 each independently represent an integer from 0 to 4; in the case where R 3 , R 4 , R 5 and R 6 are plural, R 3 , R 4 , R 5 and R 6 may be respectively identical to or different from each other, or may be bonded to each other and form a ring; A 1 , A 2 , A 3 and A 4 each independently represent a single bond or a divalent linking group; M 1 represents a hydrogen ion, an organic base ion, or a metal ion; in the case where M 1 is plural, M 1 may be identical to or different from each other; n1 and n2 each independently represent an integer from 1 to 4, and m1 and m2 each independently represent 0 or 1; J 1 represents a single bond, —O—, —S—, —CO—, —CR 8 R 9 —, or an alkenylene group, and R 8 and R 9 each independently represent a hydrogen atom, an alkyl group, or a halogen atom;
and p represents an integer of 1 or larger, and q represents an integer from 1 to 4.

2. A functional polymer membrane comprising a polymer containing a structure represented by the following Formula (I-1):

wherein in Formula (I-1), R 1 and R 2 each independently represent a hydrogen atom or an alkyl group; R 3 , R 4 , R 5 and R 6 each independently represent a substituent, and k1, k2, k3 and k4 each independently represent an integer from 0 to 4; in the case where R 3 , R 4 , R 5 and R 6 are plural, R 3 , R 4 , R 5 and R 6 may be respectively identical to or different from each other, or may be bonded to each other and form a ring; A 1 , A 2 , A 3 and A 4 each independently represent a single bond or a divalent linking group; M 1 represents a hydrogen ion, an organic base ion, or a metal ion; in the case where M 1 is plural, M 1 may be identical to or different from each other; n1 and n2 each independently represent an integer from 1 to 4, and m1 and m2 each independently represent 0 or 1; J 1 represents a single bond, —O—, —S—, —SO 2 —, —CO—, —CR 8 R 9 —, or an alkenylene group, and R 8 and R 9 each independently represent a hydrogen atom, an alkyl group, or a halogen atom; and p represents an integer of 1 or larger, and qq represents an integer from 1 to 4.

3. The functional polymer membrane according to claim 1 , wherein the membrane comprises a porous support, and the polymer containing at least a structure represented by Formula (I) is formed on at least the surface of the porous support.

4. The functional polymer membrane according to claim 3 , wherein the polymer containing at least a structure represented by Formula (I) is filled in pores of the porous support.

5. The functional polymer membrane according to claim 3 , wherein the porous support is a woven or non-woven fabric.

6. The functional polymer membrane according to claim 4 , wherein the polymer containing at least a structure represented by Formula (I) is a polymer containing a structure represented by the following Formula (P1),
the functional polymer membrane has a structure in which the polymer is on the surface of and/or embedded in the pores of the porous support, and has a burst strength of 294,300 N/m 2 or more:

wherein in Formula (P1), R A1 represents a hydrogen atom or an alkyl group; Z 1 represents —O— or —NRa-, wherein Ra represents a hydrogen atom or an alkyl group; and M + represents a hydrogen ion or an alkali metal ion.

7. The functional polymer membrane according to claim 6 , wherein the polymer containing a structure represented by Formula (P1) is a polymer containing a structure represented by the following Formula (CP1), which contains at least the following partial structures [A] and [B]:

wherein in Formula (CP1), R A1 , Z 1 and M + have the same meanings as R A1 , Z 1 and M + in Formula (P1), respectively; and R A2 represents a hydrogen atom or an alkyl group, and R A3 represents an organic group having no ethylenically unsaturated group, wherein any one of *1 to *4 of at least one partial structure [A] is bonded to **1 or **2 of at least one partial structure [B].

8. The functional polymer membrane according to claim 7 , wherein R A1 and/or R A2 are each a hydrogen atom; and Z 1 represents —NRa-.

9. The functional polymer membrane according to claim 1 , wherein M 1 in Formula (I) represents an organic base ion.

10. The functional polymer membrane according to claim 6 , wherein M + represents a sodium ion.

11. The functional polymer membrane according to claim 7 , wherein the partial structure [A] is the following partial structure [A-1]:

wherein in partial structure [A-1], M + represents a hydrogen ion or an alkali metal ion; and *1 to *4 represent sites of bonding.

12. The functional polymer membrane according to claim 7 , wherein the partial structure [B] is the following partial structure [B-2]:

wherein in partial structure [B-2], R A2 , **1, and **2 have the same meanings as R A2 , **1, and **2 in the partial structure [B], respectively; and M A1 + represents a hydrogen ion or an alkali metal ion.

13. The functional polymer membrane according to claim 1 , wherein the functional polymer membrane has a thickness of 150 μm or less.

14. The functional polymer membrane according to claim 1 , wherein the functional polymer membrane is formed by subjecting a composition containing a polymerizable compound represented by the following Formula (II) to a polymerization curing reaction:

wherein in Formula (II), R 1 and R 2 each independently represent a hydrogen atom or an alkyl group; R 3 , R 4 , R 5 and R 6 each independently represent a substituent, and k1, k2, k3 and k4 each independently represent an integer from 0 to 4; in the case where R 3 , R 4 , R 5 and R 6 , are plural, R 3 , R 4 , R 5 and R 6 may be respectively identical to or different from each other, or may be bonded to each other and form a ring; A 1 , A 2 , A 3 and A 4 each independently represent a single bond or a divalent linking group; M 1 represents a hydrogen ion, an organic base ion, or a metal ion; in the case where M 1 is plural, M 1 may be identical to or different from each other; n1 and n2 each independently represent an integer from 1 to 4, and m1 and m2 each independently represent 0 or 1; J 1 represents a single bond, —O—, —S—, —CO—, —CR 8 R 9 —, or an alkenylene group, and R 8 and R 9 each independently represent a hydrogen atom, an alkyl group, or a halogen atom; and p represents an integer of 1 or larger, and q represents an integer from 1 to 4.

15. An ion exchange membrane comprising the functional polymer membrane according to claim 1 .

16. A proton conductive membrane comprising the functional po

Assignees

• Fujifilm Corp

Inventors

• Sano Satoshi
• Kodama Keisuke
• Takamoto Tetsufumi

Classifications

• B01D69/02

  characterised by their properties · CPC title

• B01J39/20

  obtained by reactions only involving unsaturated carbon-to-carbon bonds · CPC title

• Y10T428/249955

  Void-containing component partially impregnated with adjacent component · CPC title

• B01D2325/14

  Membrane materials having negatively charged functional groups · CPC title

• 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 · CPC title