α,ω-functionalized polyoxyalkylene-siloxane polymers and copolymers made therefrom

US9428617B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9428617-B2
Application numberUS-201514858169-A
CountryUS
Kind codeB2
Filing dateSep 18, 2015
Priority dateSep 18, 2014
Publication dateAug 30, 2016
Grant dateAug 30, 2016

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.

An α,ω-functionalized polyoxyalkylene-siloxane polymer having the general structural Formula (I): provides improved hydrophilicity and hemocompatibility. The α,ω-functionalized polyoxyalkylene-siloxane polymer may be used to make various polycarbonate/α,ω-functionalized polyoxyalkylene-siloxane copolymers and polymer blends, as well as articles including such copolymers and blends.

First claim

Opening claim text (preview).

What is claimed is: 1. An α,ω-functionalized polyoxyalkylene-siloxane polymers having the structural Formula (I): wherein each R 1 , R 2 and R 3 is independently a linear or branched aliphatic group containing from 1 to 20 carbon atoms, a substituted or unsubstituted aryl group containing 6 to 16 carbon atoms, an alicyclic group containing 3 to 16 carbon atoms, a heteronuclear aromatic group containing 3 to 16 carbon atoms, a hydrocarbyl group having from 3 to 16 carbon atoms and containing at least one heteroatom of oxygen, nitrogen or sulfur and/or containing at least one ester, nitrile or halo group, wherein at least one R 2 is different from at least one R 3 ; R 12 is independently hydrogen or methyl; A is wherein R 4 is independently a divalent linear or branched alkylene group having from 2 to 10 carbon atoms, an aralkylene group having from 8 to 12 carbon atoms, an unsubstituted or substituted arylene group having from 8 to 18 carbon atoms, or a hydrocarbylene group having from 2 to 10 carbon atoms and containing at least one oxygen heteroatom, R 5 is independently a hydrogen, a halogen, an aliphatic group containing from 1 to 12 carbon atoms, an aromatic group containing from 6 to 12 carbon atoms, an alkoxy group containing form 1 to 12 carbon atoms or an aryloxy group containing from 6 to 12 carbon atoms, R 6 is independently a hydroxyl group, an amine group, a carboxylic acid chloride group or a sulfonyl halide group, and p is 1; wherein m, n, n′, x and y are integers, and wherein m is from 0 to 120, n is from 1 to 120, n′ is from 1 to 10, x is from 1 to 300, and y is from 0 to 100, with the proviso that the sum of n+m is greater than or equal to 2. 2. The α,ω-functionalized polyoxyalkylene-siloxane polymer of claim 1 , wherein R 1 is independently an alkyl group of from 1 to 4 carbon atoms or phenyl; R 2 is independently an alkyl group of from 1 to 4 carbon atoms or phenyl; R 3 is independently an alkyl group of from 1 to 16 carbon atoms, phenyl, 2-phenylethyl, 2,2-diphenylethyl, 2-phenyl-2-methylethyl, 3-phenylpropyl, 3-phenyl-2-methylpropyl, or phenyl-4-oxabutyl; R 4 is independently an alkylene group of 2 to 6 carbon atoms; R 5 is independently hydrogen, chloro, methoxy, ethoxy; R 6 is independently —OH, —NH 2 or —C(═O)Cl; R 12 is methyl; wherein m, n, n′, p, x and y are integers, and wherein m is from 0 to 100; n is from 1 to 100; n′ is from 1 to 6; p is 1; x is from 1 to 275; and y is from 0 to 80. 3. The α,ω-functionalized polyoxyalkylene-siloxane polymer of claim 2 , wherein R 1 is methyl; R 2 is methyl, R 3 is independently methyl or phenyl; R 4 is —CH 2 CH 2 —, —CH(CH 3 )CH 2 —, —CH 2 CH 2 CH 2 — or —CH 2 CH(CH 3 )CH 2 —; R 5 is independently hydrogen or methoxy; R 6 is —OH; wherein m, n, n′, p, x and y are integers, and wherein m is from 0 to 100; n is from 1 to 100; n′ is from 1 to 3; p is 1; x is from 1 to 275; and y is from 0 to 80. 4. A composition comprising an α,ω-functionalized polyoxyalkylene-siloxane polymer of claim 1 and at least one polymer selected from the group consisting of polycarbonate homopolymers, polycarbonate copolymers, polycarbonate-polyesters, polyesters, polysulfones, polyethersulfones, polyetheretherketones, polyimides and polyetherimides and combinations thereof. 5. An article comprising the composition of claim 4 , wherein the article is one or more of a medical article, a medical tube, a medical bag, a mobile phone housing, a frozen food service equipment article, a helmet, an automotive windshield, a motorcycle windshield, an automotive sunroof, a dashboard, a headlamp, or an electric screen. 6. A method of making an article comprising molding, shaping, or forming the composition of claim 4 into the article. 7. A method preparing an α,ω-functionalized polyoxyalkylene-siloxane polymers having the structural Formula (I): wherein each R 1 , R 2 and R 3 is independently a linear or branched aliphatic group containing from 1 to 20 carbon atoms, a substituted or unsubstituted aryl group containing 6 to 16 carbon atoms, an alicyclic group containing 3 to 16 carbon atoms, a heteronuclear aromatic group containing 3 to 16 carbon atoms, a hydrocarbyl group having from 3 to 16 carbon atoms and containing at least one heteroatom of oxygen, nitrogen or sulfur and/or containing at least one ester, nitrile or halo group, wherein at least one R 2 is different from at least one R 3 ; R 12 is independently hydrogen or methyl; A is wherein R 4 is independently a divalent linear or branched alkylene group having from 2 to 10 carbon atoms, an aralkylene group having from 8 to 12 carbon atoms, an unsubstituted or substituted arylene group having from 8 to 18 carbon atoms, or a hydrocarbylene group having from 2 to 10 carbon atoms and containing at least one oxygen heteroatom, R 5 is independently a hydrogen, a halogen, an aliphatic group containing from 1 to 12 carbon atoms, an aromatic group containing from 6 to 12 carbon atoms, an alkoxy group containing form 1 to 12 carbon atoms or an aryloxy group containing from 6 to 12 carbon atoms, R 6 is independently a hydroxyl group, an amine group, a carboxylic acid chloride group or a sulfonyl halide group, and p 1; wherein m, n, n′, x and y are integers, and wherein m is from 0 to 120, n is from 1 to 120, n′ is from 1 to 10, x is from 1 to 300, and y is from 0 to 100, with the proviso that the sum of n+m is greater than or equal to 2, comprising: (a) reacting a hydride terminated siloxane represented by the structural Formula (IV): wherein each R 1 , R 2 and R 3 is independently a linear or branched aliphatic group containing from 1 to 20 carbon atoms, a substituted or unsubstituted aryl group containing 6 to 16 carbon atoms, an alicyclic group containing 3 to 16 carbon atoms, a heteronuclear aromatic group containing 3 to 16 carbon atoms, a hydrocarbyl group having from 3 to 16 carbon atoms and containing at least one heteroatom of oxygen, nitrogen or sulfur and/or containing at least one ester, nitrile or halo group, wherein at least one R 2 is different from at least one R 3 ; and x is an integer from 1 to 300 and y is an integer from 0 to 100 with bis-unsaturated polyalkylene containing terminal carbon-carbon double bonds in the presence of a hydrosilylation catalyst to obtain hydride terminated polyoxyalkylene siloxane represented by the structural Formula (V): wherein each R 1 , R 2 and R 3 is independently a linear or branched aliphatic group containing from 1 to 20 carbon atoms, a substituted or unsubstituted aryl group containing 6 to 16 carbon atoms, an alicyclic group containing 3 to 16 carbon atoms, a heteronuclear aromatic group containing 3 to 16 carbon atoms, a hydrocarbyl group having from 3 to 16 carbon atoms and containing at least one heteroatom of oxygen, nitrogen or sulfur and/or containing at least one ester, nitrile or halo group, wherein R 2 and R 3 are not the same; R 12 is independently hydrogen or methyl; wherein m, n, n′, x and y are integers, and wherein m is from 0 to 120, n is from 1 to 120, n′ is from 1 to 10, x is from 1 to 300, and y is from 0 to 100, with the proviso that the sum of n+

Assignees

Inventors

Classifications

  • containing polyether sequences · CPC title

  • containing polycarbonate sequences · CPC title

  • Compositions of polycarbonates; Compositions of derivatives of polycarbonates · CPC title

  • Siloxanes defined by use of the MDTQ nomenclature · CPC title

  • Block- or graft-copolymers containing polysiloxane sequences (obtained by polymerising a compound having a carbon-to-carbon double bond on to a polysiloxane C08L51/08, C08L53/00) · 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 US9428617B2 cover?
An α,ω-functionalized polyoxyalkylene-siloxane polymer having the general structural Formula (I): provides improved hydrophilicity and hemocompatibility. The α,ω-functionalized polyoxyalkylene-siloxane polymer may be used to make various polycarbonate/α,ω-functionalized polyoxyalkylene-siloxane copolymers and polymer blends, as well as articles including such copolyme…
Who is the assignee on this patent?
Momentive Performance Mat Inc, Momentive Performance Mat Inc
What technology area does this patent fall under?
Primary CPC classification C08G77/46. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Aug 30 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). 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).