New polymer compositions

Patent metadata

Field	Value
Publication number	US-2018126338-A1
Application number	US-201615574511-A
Country	US
Kind code	A1
Filing date	May 19, 2016
Priority date	May 19, 2015
Publication date	May 10, 2018
Grant date	—

Abstract

Polymer composition comprising a) an oligo- or polyurethane U of the formula (I) wherein k and n independently are numbers from 1 to 100, m is from the range 1-100, (X) is a block of formula (II) and (Y) is a block of the formula (III), (A) is a residue of an aliphatic or aromatic diisocyanate linker, (B) is a residue of a linear oligo- or polysiloxane containing alkanol end groups, and optionally further containing one or more aliphatic ether moieties, and (C) is an aromatic oligo- or polyarylene ether block that is at least partly etherified at its terminal positions with one alkylene glycol unit; or a mixture of such oligo- or polyurethanes; and b) one or more further organic polymers P selected from the group consisting of polyvinyl pyrrolidone, polyvinyl acetates, cellulose acetates, polyacrylonitriles, polyamides, polyolefines, polyesters, polyarylene ethers, polysulfones, polyethersulfones, polyphenylenesulfones, polycarbonates, polyether ketones, sulfonated polyether ketones, polyamide sulfones, polyvinylidene fluorides, polyvinylchlorides, polystyrenes and polytetrafluorethylenes, copolymers thereof, and mixtures thereof; preferably selected from the group consisting of polysulfones, polyphenylenes, polyethersulfones, polyvinylidene fluorides, polyamides, cellulose acetate and mixtures thereof.

First claim

1 : A polymer composition, comprising:
a) an oligo- or polyurethane U of the formula I

wherein
k and n independently are numbers from 1 to 100,
m is from the range 1-100,
(X) is a block of formula

and (Y) is a block of the formula

(A) is a residue of an aliphatic or aromatic diisocyanate linker,
(B) is a residue of a linear oligo- or polysiloxane comprising alkanol end groups, and optionally further comprising one or more aliphatic ether moieties, and
(C) is an aromatic oligo- or polyarylene ether block that is at least partly etherified at its terminal positions with one alkylene glycol unit;

or a mixture of such oligo- or polyurethanes; and
b) one or more further organic polymers P selected from the group consisting of polyvinyl pyrrolidone, polyvinyl acetates, cellulose acetates, polyacrylonitriles, polyamides, polyolefines, polyesters, polyarylene ethers, polysulfones, polyethersulfones, polyphenylenesulfones, polycarbonates, polyether ketones, sulfonated polyether ketones, polyamide sulfones, polyvinylidene fluorides, polyvinylchlorides, polystyrenes and polytetrafluorethylenes, copolymers thereof, and mixtures thereof; preferably selected from the group consisting of polysulfones, polyethersulfones, polyvinylidene fluorides, polyamides, cellulose acetate and mixtures thereof.

2 : The polymer composition according to claim 1 , wherein at least 70% of the terminal positions of said aromatic oligo- or polyarylene ether blocks (C) are etherified with one unit of ethylene glycol unit.

3 : The polymer composition according to claim 1 , wherein the molecular weight (Mn) of the compound of formula I is from the range 1500 to 500000, wherein n and m each are from the range 1 to 50, and k is from range 1 to 20.

4 : The polymer composition according to claim 1 , where in the oligo- or polyurethane U of the formula I
(A) is a divalent residue selected from C 2 -C 12 -alkylene and methyl-2,4-phenylene, methyl-2,6-phenylene, 3,3,5-trimethyl-5-methylen-3-cyclohexylen, and methylene-4,4′-diphenylen; (B) is a divalent residue of an oligo- or polysiloxane of the formula
-[Ak-O] q -Ak-Si(R 2 )—[O—Si(R 2 )] p —O—Si(R 2 )-Ak-[O-Ak] q .-  (IV)

wherein Ak represents C 2 -C 4 -alkylene, R stands for C 1 -C 4 -alkyl, and each of p, q and q′ independently is a number selected from the range 0-80; (C) is a polyarylene ether block according to formula (V)

that is at least partly etherified at its terminal positions with one alkylene glycol unit.

5 : The polymer composition according to claim 1 , wherein polyurethane U comprises at least one copolymer selected from:
a) poly(polydimethylsiloxane-block-co-polysulfonyl)urethane derived from a polysulfone of formula

and polydimethylsiloxane of formula

in a molar ratio ranging from 3:1 to 1:3, where e and fin both formulas is from the range 5 to 80, and 1,6-hexamethylene diisocyanate as linker;
b) poly(polydimethylsiloxane-block-co-polysulfonyl)urethane derived from a polysulfone of formula

and polydimethylsiloxane of formula

in a molar ratio ranging from 3:1 to 1:3, where e and fin both formulas is from the range 5 to 80, and 4,4′-methylenediphenyldiisocyanate as linker;
c) poly(polydimethyl siloxane-block-co-polyethylenoxid-block-co-polysulfonyl)urethane derived from a polysulfone of formula

and polydimethylsiloxane of formula

in a molar ratio ranging from 3:1 to 1:3, wherein e, f and g are from the range 5 to 80, and hexamethylene diisocyanate as linker;
d) poly(polydimethyl siloxane-block-co-polyethylenoxid-block-co-polysulfonyl)urethane derived from a polysulfone of formula

and polydimethylsiloxane of formula

in a molar ratio ranging from 3:1 to 1:3, wherein e, f and g are from the range 5 to 80, and 4,4′-methylenediphenyldiisocyanate as linker.

6 : The polymer composition according to claim 1 , comprising the oligo- or polyurethane U of formula I in an amount of 0.1 to 25% by weight of the total polymer composition.

7 : The polymer composition according to claim 1 , further comprising one or more antimicrobial or bacteriostatic agent.

8 : A membrane, comprising a polymer composition of claim 1 .

9 : The membrane of claim 8 , having an at least 4-fold enrichment of silicon, in the section 2-10 nm from the membrane surface over the membrane's average silicon content.

10 : The membrane according to claim 8 , wherein said membrane is a UF, MF, RO, FO or NF membrane.

11 : A method for water treatment applications, treatment of industrial or municipal waste water, desalination of sea or brackish water, dialysis, plasmolysis, or food processing, comprising applying the membrane according to claim 8 .

12 : A membrane element, comprising at least one membrane according to claim 8 .

13 : A membrane module, comprising at least one membrane according to claim 8 .

14 : A filtration system, comprising at least one membrane module according to claim 11 .

15 : A process for the preparation of a membrane, the process comprising incorporating a polymer composition according to claim 1 into a membrane material.

16 : A process for preparation of an antimicrobial membrane, the process comprising incorporating a polymer composition according to claim 1 into a membrane material.

17 : An oligo- or polyurethane compound of the formula I

wherein k and n independently are numbers from 1 to 100,
m is from the range 1-100,
(X) is a block of formula

and (Y) is a block of the formula

(A) is a residue of an aliphatic or aromatic diisocyanate linker,
(B) is a residue of a linear oligo- or polysiloxane containing alkanol end groups, and optionally further containing one or more aliphatic ether moieties, and
(C) is an aromatic oligo- or polyarylene ether block that is at least partly etherified at its

Assignees

• Basf Se

Inventors

• Weber Martin
• Eling Berend
• Heijnen Martin
• Gronwald Oliver
• Voss Hartwig
• Malisz Jacek
• Arifin Davis Yohanes

Classifications

• B01D71/70

  Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only · CPC title

• B01D71/80

  Block polymers · CPC title

• B01D71/68

  Polysulfones; Polyethersulfones · CPC title

• C08J5/18

  Manufacture of films or sheets · CPC title

• C08G2340/00

  Filter material · CPC title