Hydrophilic block copolymers and membranes prepared therefrom (i)
US-2015376340-A1 · Dec 31, 2015 · US
US2017292022A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2017292022-A1 |
| Application number | US-201515508334-A |
| Country | US |
| Kind code | A1 |
| Filing date | Sep 2, 2015 |
| Priority date | Sep 3, 2014 |
| Publication date | Oct 12, 2017 |
| Grant date | — |
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The invention pertains to a polymer composition possessing improved resistance towards degradation and discolouring phenomena induced by UV radiation, said composition comprising at least one aromatic sulfone polymer; at least one organic UV absorber and at least one basic compound selected from the group consisting of (i) basic oxides and hydroxides of divalent metals and (ii) salts of a weak acid, and to methods for its manufacture and to shaped articles obtained therefrom.
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1 - 15 : (canceled) 16 . A composition comprising: at least one aromatic sulfone polymer (P); at least one organic UV absorber selected from the group consisting of hydroxylphenyl-triazine compounds (T), cyanoacrylate compounds (CN), benzoxazin-4-one compounds (BX), and benzotriazole compounds (BT); and at least one basic compound (B) selected from the group consisting of (i) basic oxides and hydroxides of divalent metals and (ii) salts of a weak acid. 17 . The composition of claim 16 , wherein the organic UV absorber is at least one hydroxylphenyl-triazine compound (T) of formula (I): wherein: Ar a and Ar b , equal to or different from each other, are independently aromatic groups, said aromatic groups possibly comprising one or more than one heteroatom; Rj is a halogen or a hydrocarbon group possibly comprising one or more than one heteroatom; j is zero or is an integer of 1 to 4, in particular 1 to 2. 18 . The composition of claim 17 , wherein the hydroxylphenyl-triazine compound (T) is selected from the group consisting of compounds of any formulae below: with m being an integer of 1 to 20, 19 . The composition of claim 16 , wherein the organic UV absorber is at least one cyanoacrylate compound (CN) of formula (VI): wherein: Ar a and Ar b , equal to or different from each other, are independently aromatic groups, the aromatic groups optionally comprising one or more than one heteroatom; and R cn is a hydrocarbon group optionally comprising one or more than one heteroatom. 20 . The composition of claim 16 , wherein the organic UV absorber is at least one benzoxazin-4-one compound (BX) of formula (VIII): wherein: R BX is independently C 1 -C 18 alkyl; C 3 -C 6 alkenyl; C 5 -C 12 cycloalkyl; phenyl; naphthyl; biphenylyl; C 7 -C 11 phenylalkyl; C 7 -C 14 alkylphenyl; or is a group of formula: wherein E′ is a hydrocarbon group; j is zero or an integer of 0 to 4; each of R j , equal to or different from each other, is independently C 1 -C 18 alkyl; C 3 -C 6 alkenyl; C 5 -C 12 cycloalkyl; phenyl; naphthyl; biphenylyl; C 7 -C 11 phenylalkyl; C 7 -C 14 alkylphenyl; halogen; C 1 -C 18 haloalkyl; or C 1 -C 18 alkoxy; or is NH 2 , NHR cn2 , —N(R cn2 )(R cn3 ), NH—CO—R cn4 ; —S—R cn5 , or —OR cn5 ; wherein: R cn2 and R cn3 , equal to or different from each other, are independently C 1 -C 12 alkyl; C 3 -C 12 alkoxyalkyl; C 4 -C 16 dialkylaminoalkyl; or C 5 -C 12 cycloalkyl; or, when simultaneously present, may together form C 3 -C 9 -alkylene, -oxaalkylene or -azaalkylene; R cn4 is independently H; C 1 -C 18 alkyl; C 1 -C 18 alkyl substituted by COOH or by COOR cn2 ; C 2 -C 18 alkenyl; C 2 -C 18 alkenyl substituted by COOH or by COOR cn2 ; C 5 -C 12 cycloalkyl; phenyl; C 7 -C 11 phenylalkyl; C 6 -C 15 bicycloalkyl; C 6 -C 15 bicycloalkenyl; or C 6 -C 15 tricycloalkyl; R cn5 is independently H, C 1 -C 18 alkyl; C 5 -C 12 cycloalkyl; C 3 -C 18 alkenyl; phenyl; C 1 -C 18 alkyl that is substituted by phenyl, OH, C 1 -C 18 alkoxy, C 5 -C 12 cycloalkoxy, C 3 -C 18 alkenyloxy, halogen, —COOH, —COOR cn2 , —O—CO—R cn2 —CO—NH 2 , —CO—NHR cn2 , —CO—N(R cn2 )(R cn3 ), CN, NH 2 , NHR cn2 , —N(R cn2 )(R cn3 ), —NH—CO—R cn2 , phenoxy, C 1 -C 18 alkyl-substituted phenoxy, phenyl-C 1 -C 4 -alkoxy, C 6 -C 15 bicycloalkoxy, C 6 -C 15 bicycloalkyl-alkoxy, C 6 -C 15 bicycloalkenyl-alkoxy and/or by C 6 -C 15 -tricycloalkoxy; C 5 -C 12 cycloalkyl that is substituted by OH, C 1 -C 4 alkyl, C 2 -C 6 alkenyl and/or by —O—CO—R cn2 ; —CO—R cn2 or —SO 2 —R cn2 ; or C 3 -C 50 alkyl that is interrupted by one or more oxygen atoms and is unsubstituted or substituted by OH, phenoxy and/or by C 7 -C 18 alkylphenoxy. 21 . The composition of claim 16 , wherein the organic UV absorber is at least one benzotriazole compound (BT) of formula (IX): wherein: R BT is independently H; C 1 -C 18 alkyl; C 3 -C 6 alkenyl; C 5 -C 12 cycloalkyl; phenyl; naphthyl; biphenylyl; C 7 -C 11 phenylalkyl; C 7 -C 14 alkylphenyl; or is a group of formula: wherein E″ is a hydrocarbon group; j is zero or an integer of 0 to 4; each of R j , equal to or different from each other, is independently C 1 -C 18 alkyl; C 3 -C 6 alkenyl; C 5 -C 12 cycloalkyl; phenyl; naphthyl; biphenylyl; C 7 -C 11 phenylalkyl; C 7 -C 14 alkylphenyl; halogen; C 1 -C 18 haloalkyl; or C 1 -C 18 alkoxy; or is NH 2 , NHR cn2 , —N(R cn2 )(R cn3 ), NH—CO—R cn4 ; —S—R cn5 , or —OR cn5 ; wherein: R cn2 and R cn3 , equal to or different from each other, are independently C 1 -C 12 alkyl; C 3 -C 12 alkoxyalkyl; C 4 -C 16 dialkylaminoalkyl; or C 5 -C 12 cycloalkyl; or, when simultaneously present, may together form C 3 -C 9 -alkylene, -oxaalkylene or -azaalkylene; R cn4 is independently H; C 1 -C 18 alkyl; C 1 -C 18 alkyl substituted by COOH or by COOR cn2 ; C 2 -C 18 alkenyl; C 2 -C 18 alkenyl substituted by COOH or by COOR cn2 ; C 5 -C 12 cycloalkyl; phenyl; C 7 -C 11 phenylalkyl; C 6 -C 15 bicycloalkyl; C 6 -C 15 bicycloalkenyl; or C 6 -C 15 tricycloalkyl; R cn5 is independently H, C 1 -C 18 alkyl; C 5 -C 12 cycloalkyl; C 3 -C 18 alkenyl; phenyl; C 1 -C 18 alkyl that is substituted by phenyl, OH, C 1 -C 18 alkoxy, C 5 -C 12 cycloalkoxy, C 3 -C 18 alkenyloxy, halogen, —COOH, —COOR cn2 , —O—CO—R cn2 , —O—CO—O—R cn2 , —CO—NH 2 , NHR cn2 , —CO—N(R cn2 )(R cn3 ), CN, NH 2 , NHR cn2 , —N(R cn2 )(R cn3 ), —NH—CO—R cn2 , phenoxy, C 1 -C 18 alkyl-substituted phenoxy, phenyl-C 1 -C 4 -alkoxy, C 6 -C 15 bicycloalkoxy, C 6 -C 15 bicycloalkyl-alkoxy, C 6 -C 15 bicycloalkenyl-alkoxy and/or by C 6 -C 15 -tricycloalkoxy; C 5 -C 12 cycloalkyl that is substituted by OH, C 1 -C 4 alkyl, C 2 -C 6 alkenyl and/or by —O—CO—R cn2 ; —CO—R cn2 or —SO 2 —R cn2 ; or C 3 -C 50 alkyl that is interrupted by one or more oxygen atoms and is unsubstituted or substituted by OH, phenoxy and/or by C 7 -C 18 alkylphenoxy. 22 . The composition according to claim 16 comprising an amount of the organic UV absorber of at least 0.001 weight parts per 100 weight parts of the aromatic sulfone polymer (P), and/or wherein the amount of the organic UV absorber is of at most 10 weight parts per 100 weight parts of the aromatic sulfone polymer (P). 23 . The composition according to claim 16 , wherein the basic compound (B) is selected from (j) oxides of alkali earth metals and oxides of Zn and Pb(II); and from (jj) stearates, benzoates, carbonates, oxalates and phosphites of an alkali or alkali earth metal or of Pb or of Zn. 24 . The composition according to claim 16 comprising an amount of basic compound (B) of at least 0.001 weight parts per 100 weight parts of the aromatic sulfone polymer (P) and/or wherein the amount o
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