Acid-capped quaternized polymer and compositions comprising such polymer
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C09J-201/02
C09J-201/00
출원번호
US-0623620
(2003-07-22)
우선권정보
EP-02255612(2002-08-09)
발명자
/ 주소
Lines,Robert
Price,Clayton
출원인 / 주소
Akzo Nobel N.V.
대리인 / 주소
Oliff &
인용정보
피인용 횟수 :
1인용 특허 :
20
초록▼
The invention relates to a polymer comprising quaternary ammonium and/or quaternary phosphonium groups bound to the backbone of the polymer, said quaternary ammonium groups and/or quaternary phosphonium groups being neutralised by counter-ions, wherein the counter-ions consist of the anionic residue
The invention relates to a polymer comprising quaternary ammonium and/or quaternary phosphonium groups bound to the backbone of the polymer, said quaternary ammonium groups and/or quaternary phosphonium groups being neutralised by counter-ions, wherein the counter-ions consist of the anionic residue of an acid having an aliphatic, aromatic, or alkaryl hydrocarbon group comprising 6 or more carbon atoms. The invention further relates to the preparation of this polymer, its use in anti-fouling compositions, and to anti-fouling compositions comprising the polymer.
대표청구항▼
The invention claimed is: 1. A sea water-insoluble polymer comprising quaternary ammonium groups and/or quaternary phosphonium groups bound to a backbone of the polymer comprising a group of formula: wherein Y is O or NH, Z is N or P, R1 is a hydrogen atom or a C1-C4 alkyl group, R2 is a C2 or a C
The invention claimed is: 1. A sea water-insoluble polymer comprising quaternary ammonium groups and/or quaternary phosphonium groups bound to a backbone of the polymer comprising a group of formula: wherein Y is O or NH, Z is N or P, R1 is a hydrogen atom or a C1-C4 alkyl group, R2 is a C2 or a C3-C12 divalent hydrocarbon group, R3 and R4 independently represent a C 1-C6 alkyl group, R5 is a C1-C5 alkyl group, said quaternary ammonium groups and/or quaternary phosphonium groups being neutralised by counter-ions that consist of the anionic residue of an acid having an aliphatic, aromatic, or alkaryl hydrocarbon group comprising 6 or more carbon atoms; said counter-ions being capable of hydrolyzing, dissociating or exchanging with sea water species to leave a polymer framework that is soluble in sea water. 2. Process for the preparation of a sea water-insoluble polymer comprising quaternary ammonium groups and/or quaternary phosphonium groups bound to the backbone of the polymer, comprising the steps of: quaternizing an amine-or phosphine-functional monomer of formula (I): wherein Y is O or NH, Z is N or P, R1 is a hydrogen atom or a C1-C4 alkyl group, R2 is a C2 or a C3-C12 alkylene group, R3 and R4 independently represent a C1-C6 alkylene group or an optionally substituted phenyl group, replacing a counter-ion of the quaternised ammonium or phosphonium monomer by a carboxylate group derived from an acid having an aliphatic, aromatic, or alkaryl hydrocarbon group comprising 6 or more carbon atoms and polymerizing at least one type of long-chain acid-capped quaternary ammonium monomer and/or at least one type of long-chain, acid-capped quaternary phosphonium-functional monomer; wherein said counter-ions being capable of hydrolyzing, dissociating or exchanging with sea water species to leave a polymer framework that is soluble in sea water. 3. Anti-fouling coating compositions comprising an ingredient having marine biocidal properties and a sea water-insoluble polymer comprising quaternary ammonium groups and/or quaternary phosphonium groups bound to a backbone of the polymer comprising a group of formula: wherein Y is O or NH, Z is N or P, R1 is a hydrogen atom or a C1-C4 alkyl group, R2 is a C2 or a C3-C12 divalent hydrocarbon group, R3 and R4 independently represent a C 1-C6 alkyl group, R5 is a C1-C5 alkyl group, said quaternary ammonium groups and/or quaternary phosphonium groups being neutralised by counter-ions that consist of the anionic residue of an acid having an aliphatic, aromatic, or alkaryl hydrocarbon group comprising 6 or more carbon atoms; said counter-ions being capable of hydrolyzing, dissociating or exchanging with sea water species to leave a polymer framework that is soluble in sea water. 4. Coating composition according to claim 3, characterised in that the counter-ions comprise 6 to 50 carbon atoms. 5. Coating composition according to claim 3, characterised in that the coating composition additionally comprises a rosin material. 6. Coating composition according to claim 5, characterised in that the coating composition has a binder comprising a blend of a rosin material and an auxiliary film-forming resin in a weight ratio of 20:80 to 95:5, the auxiliary film-forming resin comprising 20-100% by weight of the total weight of the auxiliary film-forming resin of a quaternary ammonium-and/or quaternary phosphonium-functional film-forming polymer (A), the quaternised groups of which are blocked by groups capable of hydrolysing, dissociating or exchanging with seawater species to leave a polymer soluble in seawater, the blocking groups being anionic residues of acids having an aliphatic, aromatic, or alkaryl hydrocarbon group comprising 6 or more carbon atoms, and 80-0% by weight of the total weight of the auxiliary film-forming resin of a non-hydrolysing, water-insoluble film-forming polymer (B). 7. Coating composition according to claim 6, characterised in that the binder comprises a blend of the rosin material and the auxiliary film-forming resin in a weight ratio of 55:45 to 80:20. 8. Coating composition according to claim 6, characterised in that the auxiliary film-forming resin comprises 30-90% by weight of the film-forming polymer (A) capable of hydrolysing or dissociating to a polymer soluble in sea water and 70-10% by weight of the non-hydrolysing, water-insoluble film-forming polymer (B). 9. Coating composition according to claim 6, characterised in that the non-hydrolysing, water-insoluble film-forming polymer (B) is an acrylate ester polymer or a vinyl ether polymer. 10. Coating composition according to claim 3, characterised in that the binder includes a non-polymeric plasticiser present at up to 50% by weight based on the total binder polymer. 11. Method of coating man-made structures immersed in water, comprising coating said structures with the composition of claim 3.
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