Sulfone polymer composition

US2017292022A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2017292022-A1
Application numberUS-201515508334-A
CountryUS
Kind codeA1
Filing dateSep 2, 2015
Priority dateSep 3, 2014
Publication dateOct 12, 2017
Grant date

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

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.

First claim

Opening claim text (preview).

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

Assignees

Inventors

Classifications

  • Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule · CPC title

  • C08L81/06Primary

    Polysulfones; Polyethersulfones · CPC title

  • Use of inorganic substances as compounding ingredients · CPC title

  • Titanium dioxide · CPC title

  • Processes of treating or compounding macromolecular substances · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US2017292022A1 cover?
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 …
Who is the assignee on this patent?
Solvay Specialty Polymers Usa
What technology area does this patent fall under?
Primary CPC classification C08L81/06. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Thu Oct 12 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).