Copolymer containing residues of vinylbenzyl halide and vinylbenzyl alcohol and synthesis thereof, porous structure comprising the copolymer and production thereof, and porous carbon sphere

Patent metadata

Field	Value
Publication number	US-2017283532-A1
Application number	US-201715415885-A
Country	US
Kind code	A1
Filing date	Jan 26, 2017
Priority date	Mar 30, 2016
Publication date	Oct 5, 2017
Grant date	—

Abstract

A copolymer, a method for producing the copolymer, a porous structure formed by the copolymer, a method for producing the porous structure, and a porous carbon sphere formed by carbonizing the porous structure are shown. The copolymer has a chemical structure of formula (1) or (2):

wherein the molecular weight of the copolymer structure is 120,000 or less g/mole, m and t are both greater than 0, 8%≦p≦80%, y≧0, z≧0, and X is selected from —Cl, —Br and —I.

First claim

What is claimed is:

1 . A copolymer having a chemical structure of formula (1), wherein

a number-average molecular weight of the copolymer is 120,000 g/mole or less,
m is greater than 0, 8%≦p≦80%, y≧0, and z≧0,
X is selected from —Cl, —Br, and —I, and
R is selected from hydrogen (—H), —Cl, —Br, —C n H 2n+1 , —CH 2 OC n H 2n+1 , —CH 2 NH 2 , —CH 2 C(═O)OC i H 2i+1 , —CH 2 OC(═O)C n H 2n+1 , —NH 2 , —N(C i H 2i+1 )C(═O)C n H 2n+1 , —C(═O)OC i H 2i+1 , —OC(═O)C n H 2n+1 , —SO 3 M (wherein M is selected from —H, Na, —K, and —NH 4 ), and —Si(OC n H 2n+1 ) 3 , R′ is selected from —H, —OH, and —C n H 2n+1 , and R″ is selected from —H, —C(═O)OC j H 2j+1 , —OC(═O)C k H 2k+1 , —C≡N, —Si(OC n H 2n+1 ) 3 , —NH 2 , —N(C i H 2i+1 )C(═O)C n H 2n+1 , —NC 4 H 6 O (pyrrolidonyl), and —C 6 H 5 N (pyridinyl), wherein n=1 to 4, i=0 to 4, j=1 to 12, and k=1 to 17.

2 . The copolymer of claim 1 , wherein 15%≦p≦65%.

3 . The copolymer of claim 1 , wherein the number-average molecular weight is 55,000 g/mole or less.

4 . A copolymer having a chemical structure of formula (2), wherein

a number-average molecular weight of the copolymer is 120,000 g/mole or less,
m and t are both greater than 0, 8%≦p≦80%, y≧0, and z≧0,
X is selected from —Cl, —Br, and —I,
R is selected from hydrogen (—H), —Cl, —Br, —C n H 2n+1 , —CH 2 NH 2 , —CH 2 C(═O)OC i H 2i+1 , —CH 2 OC(═O)C n H 2n+1 , —NH 2 , —N(C i H 2i+1 )C(═O)C n H 2n+1 , —C(═O)OC i H 2i+1 , —OC(═O)C n H 2n+1 , —SO 3 M (wherein M is selected from —H, Na, —K, and —NH 4 ), and —Si(OC n H 2n+1 ) 3 , R′ is selected from —H, —OH, and —C n H 2n+1 , R″ is selected from —H, —C(═O)OC j H 2j+1 , —OC(═O)C k H 2k+1 , —C≡N, —Si(OC n H 2n+1 ) 3 , —NH 2 , —N(C i H 2i+1 )C(═O)C n H 2n+1 , —NC 4 H 6 O (pyrrolidonyl), and —C 6 H 5 N (pyridinyl), and R′″ is —C n H 2n+1 , wherein n=1 to 4, i=0 to 4, j=1 to 12, and k=1 to 17.

5 . A method for producing a copolymer, comprising:
mixing a water-soluble initiator and a water-containing solvent in a container to form a starting solution; adding at least one monomer in the starting solution to form a mixed solution, wherein the at least one monomer comprises a vinylbenzyl halide; causing a polymerization reaction in the mixed solution at a reaction temperature; and precipitating, in an organic solvent, a product of the polymerization reaction from the mixed solution.

6 . The method of claim 5 , wherein the water-soluble initiator is selected from 2,2′-azobis(2-methylpropionamidine) dihydrochloride, 4,4′-azobis(4-cyanovaleric acid), ammonium persulfate ((NH 4 ) 2 S 2 O 8 ), sodium persulfate (Na 2 S 2 O 8 ), potassium persulfate (K 2 S 2 O 8 ), and hydroxymethanesulfinic acid monosodium salt dihydrate.

7 . The method of claim 5 , wherein the water-containing solvent further contains ethanol or isopropanol.

8 . The method of claim 5 , wherein the at least one monomer further comprises styrene, methyl methacrylate, vinyl laurate, or a combination thereof.

9 . A porous structure, having a body that has a plurality of pores and comprises the copolymer of claim 1 .

10 . The porous structure of claim 9 , wherein the porous structure is a spherical structure.

11 . A porous structure, having a body that has a plurality of pores and comprises the copolymer of claim 4 .

12 . The porous structure of claim 11 , wherein the porous structure is a spherical structure.

13 . A method for producing a porous structure, comprising:
dissolving a copolymer in an organic solvent to form a mixed solution; providing an aqueous solution containing a surfactant; emulsifying the organic mixed solution in the aqueous solution; and heating to remove the organic solvent in the emulsified emulsion to naturally form a plurality of porous structures, wherein the copolymer comprises a copolymer of claim 1 .

14 . The method of claim 13 , wherein the porous structure is a spherical structure.

15 . The method of claim 13 , further comprising a step of immersing the porous structure in an organic solvent to adjust a pore size.

16 . A porous carbon sphere, being formed by carbonizing the spherical structure of claim 14 , having a particle size of 5 to 25 micrometers and a pore size of 0.1 micrometer or more.

17 . A porous carbon sphere, being formed by carbonizing the spherical structure of claim 15 , having a particle size of 5 to 25 micrometers and a pore size of 0.1 micrometer or more.

18 . A method for producing a porous structure, comprising:
dissolving a copolymer in an organic solvent to form a mixed solution; providing an aqueous solution containing a surfactant; emulsifying the organic mixed solution in the aqueous solution; and heating to remove the organic solvent in the emulsified emulsion to naturally form a plurality of porous structures, wherein the copolymer comprises a copolymer of claim 4 .

19 . The method of claim 18 , wherein the porous structure is a spherical structure.

20 . The method of claim 18 , further comprising a step of immersing the porous structure in an organic solvent to adjust a pore size.

21 . A porous carbon sphere, being formed by carbonizing the spherical structure of claim 19 , having a particle size of 5 to 25 micrometers and a pore size of 0.1 micrometer or more.

22 . A porous carbon sphere, being formed by carbonizing the spherical structure of claim 20 , having a particle size of 5 to 25 micrometers and a pore size of 0.1 micrometer or more.

Assignees

• Univ Nat Taipei Technology

Inventors

• Li Chia-Chen
• Yang Sheng
• Tsou Yu-Ju

Classifications

• C01P2006/16

  Pore diameter · CPC title

• C08J2325/18

  Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen · CPC title

• C08F212/24

  Phenols or alcohols · CPC title

• C08J9/283

  a discontinuous liquid phase emulsified in a continuous macromolecular phase · CPC title

• C08J2205/044

  Micropores, i.e. average diameter being between 0,1 micrometer and 0,1 millimeter · CPC title