Nova Patents
IL105418A

Melt-processable polymer blends and their production

Abstract

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IL105418A, drawing sheet 1
Sheet 1 of 5

Term

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9 claims: 6 independent, 3 dependent

  1. 1
    We claim:1. A melt-processable polymeric composition which is a polymer blend or segmented polymer comprising: ׳ a) from 70 to 98 parts of first polymer containing at least 95 mol % units of the structure — CH 2 — CHI OH and optionally units selected from one or more of the following structures: --CH 2 — CH 2 -- ;-- CH 2 — CHR-- ;— CH 2 — CH — ;or — CH, CR^ . OOCR COOR 2 wherein R is alkyl, R I is H or CH 3 , and R 2 is an alkyleneoxy group;and b) from 2 to 30 parts of second polymer containing from 90 to 98 weight percent of units of the structure — ch 2 — coor 3 where R 3 is 0)-04 lower alkyl, and from 2 to 10 weight percent of units derived from unsaturated copolymerizable carboxylic acid or anhydride, said second pblymer being free, or substantially free, from units of the nitrogenous monomers: —CH Z -CHN (CH 2 )׳<-C=O — CH 2 — CH NH 0= C — R r 7 105418/2 —ch 2 -c— o=c--nr 4 r 5 i ?7 —ch 2 -c0=c—0—ch 2 -ch 2 -r 6 and-CH 2 -C — P=c-nr 4 -ch 2 -ch 2 -r 6 wherein n is 2, 3, 4, or 5, R4 and R5 are the same or different and are H, (C1-C4) alkyl or -C2H40)־-C2H4)- in a cyclic form and R£ is —NH-CO—NHR 1 or —N-CO-NH CH 2 ---CH 2 A melt-processable polymeric blend comprising: a) from 70 to 98 parts of first polymer containing at least 50 mol % units of the structure — CH 2 — CHI OH and optionally units selected from one or more of the following structures: --CH 2 — CH 2 -- ;-- CH 2 — CHR — ;--CH,—CH— ;or --CH,— CR ( — 1־ ו wherein R is alkyl, Rj is H or CH 3 , and R 2 is an alkyleneoxy group;and b) from 2 to 30 parts of a second polymer containing from 75 to 98 weight percent of units of the structure -46where R 3 is C 2 -C 4 lower alkyl, and from 2 to 25 weight percent of units containing a carboxylic anhydride of the structure — CH 2 —CR! — said second polymer being free, or substantially free,from units of the nitrogenous monomers: —CH 2 -CHN (CH 2 )Y- x c=0 — CH 2 — CH NH I 0= C—R —CH 2 -c — O=C-NR 4 R 5 —ch 2 -c0=c—•0—ch 2 -ch 2 -r s and-CH 2 ־C — 0= c-nr 4 -ch 2 -ch 2 -r 5 wherein n is 2,3,4, or 5, R4 and R5 are the same or different and are H, (C1-C4) alkyl or -C2H40)־-C2H4)- in a cyclic form and R6 is —NH-CO-NHR, or —N —CO—NH CH 2 --- ch 2 4. A melt-processable polymeric blend comprising: a) from 80 to 98 parts of first polymer containing at least 50 mol % units of the structure — CH 2 — CH1 OH and optionally units selected from one or more of the following structures: --- CH 2 — CH 2 -- ;-- CH, — CHR — ;— CH, — CH — ;or — CH,— CR!— I “I OOCR COOR 2 wherein R is alkyl, R! is H or CH 3 , and R 2 is an alkyleneoxy group;and b) from 2 to 20 parts of second polymer containing from 60 to 98 weight percent of units of-the structure . — ch 2 — cr 5 — Ar where Ar is aryl, halogen-substituted aryl, or alkyl-substituted aryl, and where R5 is —H or —CH3 and from 2 to 15 weight percent of units derived from an unsaturated copolymerizable carboxylic acid or anhydride said second polymer being free, or substantially free, from units of the nitrogenous monomers: — ch 2 — ch NH I 0= C—R — CH 2 -C — O=C-NR 4 R s —ch 2 -ch— N (CH 2 ) n ^C=O r 7 77 —CH 2 -C- and-CH 2 -C — I O=C-NR 4 -CH 2 -CH 2 -R 5 0=c—0—ch 2 —ch 2 -r 6 wherein n is 2,3,4, or 5, R4 and R5 are the same or different and are H, (C1-C4) alkyl or -C2H40)־-C2H4)- in a cyclic form and 1¾ is —NH-CO-NHR 1 or —N—CO—NH CH 2 --- ch 2 ־ 4 . A blend of Claim 3 wherein the second polymer further contains up to 25 weight percent of (meth)acrylonitrile. 5. A melt-process able polymeric blend comprising: a) from 80 to 98 parts of a first polymer containing at least 50 mol % units of the structure — CH 2 — CH. I OH and optionally units selected from one or more of the following structures: --CH 2 — CH 2 -- ;--CH 2 — CHR—;— CH 2 — CH — ;or — CH 2 — CRj— OOCR COOR 2 wherein R is alkyl, R 1 is H or CH 3 , and R 2 is an alkyleneoxy group;and b) from 2 to 20 parts of second, core/shell, polymer comprising: 1. rubbery cross-linked core polymer which contains greater than, 75 weight percent, based on total weight of the core, of butadiene and/or one or more C 2 -C8 alkyl esters of acrylic acid;
  2. 2
    shell polymer containing from 90 to 98 weight percent of units of the structure — CH 2 —CR — COOR 3 where R 1 is CH 3 , and R 3 is C 4 -C 4 lower alkyl, and from 2 to 10 weight percent of units derived from unsaturated copolymerizable carboxylic acid or anhydride.
  3. 3
    6. A blend of Claim 5 wherein the.core polymer is at least 60% by weight of the core/shell polymer.
  4. 4
    7. A melt-processable polymeric blend comprising:a) from 80 to 98 parts of first polymer containing at least 50 mol % units of the structure — CH 2 — CH — I OH and optionally units selected from one or more of the following structures: --CH 2 — CH 2 ;CH 2 — CHR—;— CH, ־— CH — I OOCR ;',or — CH 2 — wherein R is alkyl, R| is H or CH3, and R2 is an alkyleneoxy group;and b) from 2 to 20 parts of second, core/shell, polymer comprising: 1. rubbery cross-linked core polymer which contains greater than 75 weight percent, based on total weight of the core, of butadiene and/or one or more C2־C8 alkyl esters of acrylic acid;2. shell polymer containing from 50 to 98 weight percent of units of the structure — ch 2 — cr 5 — Ar where Ar is aryl, halogen-substituted aryl, or alkyl-substituted aryl, where R5 is —H or —CH3 z optionally up to 30 weight percent of units derived from (meth)acrylonitrile, and from 2 to 25 weight percent of units derived from unsaturated copolymerizable carboxylic acid or anhydride. Q y. A melt-processable polymeric blend comprising: a) from 80 to 98 parts of first polymer containing at least 50 mol % units of the structure — ch 2 — CHI OH and optionally units selected from one or more of the following structures: --CH 2 --CH 2 -— ;-- CH 2 — CHR—;— CH 2 -— CH — ;or — CH 2 — CR 1 — OOCR COOR 2 wherein R is alkyl, Rj is H or CH3, and R2 is an alkyleneoxy group;and b) from 2 to 20 parts of second, multi-stage, polymer comprising: 1. rubbery cross-linked first stage polymer which contains greater than 75 weight percent, based on total weight of the first stage, of butadiene and/or one or more C2־C8 alkyl esters of acrylic acid, the first stage polymer further containing from 0.5 to 5 weight percent, of units derived from unsaturated carboxylic acid;2. second-stage polymer containing from 50 to 100 weight percent of units of at least one of the structures -CH2—CR T — COGRכ or -ch 2 — cr 5 — Ar where Ar is aryl, halogen-substituted aryl, or alkyl-substituted aryl, where R5 is—H or —CH3, and optionally up to about 10 weight percent of units derived from an unsaturated carboxylic acid. A melt-processable polymeric blend comprising: a) from 80 to 98 parts of first polymer containing at least 50 mol % units of the structure — CH 2 — CH1 OH and optionally units selected from one or more of the following structures: --CH 2 — ch 2 --CH 2 — CHR— ;— CH 2 — CH — ;or — CH 2 — CR!— wherein R is alkyl, R 1 is H or CH 3 , and R 2 is an alkyleneoxy group;and b) from 2 to 20 parts of second polymer containing from 60 to 98 weight percent of units of the structure — ch 2 — cr 5 -where Ar is aryl, halogen-substituted aryl, or alkyl-substituted aryl, and where R5 is —H or —CH3 and from 2 to 15 weight percent of units \ derived from an unsaturated copolymerizable sulfonic acid ;said second polymer being free, or substantially free, from units of the nitrogenous monomers: —CH 2 -CHN (CH 2 )A׳C=O — ch 2 — ch —ch 2 -c— O=C-NR 4 R 5 0= C—R —ch 2 -c0=c—0—ch 2 —ch 2 -r 6 I and-CH 2 -C — 0= c—nr 4 -ch 2 —ch 2 —r 6 wherein n is 2,3,4, or 5, R4 and R5 are the same or different and are H, (C1-C4) alkyl or -C2H40)־-C2H4)- in a cyclic form and R6 is ' 1 ־ —NH-CO-NHR! or — N—CO—NH CH 2 --- CH 2 A melt-processable polymeric blend comprising: a) from 80 to 98 parts of first polymer containing at least 50 mol % units of the structure — CH 2 — CHOH and optionally units selected from one.or more of the following structures: --CH 2 — CH 2 -- ;-- CH 2 —CHR— ;— CH 2 — CH — ;or -CH 2 — OOCR ' COOR2 wherein R is alkyl, R 1 is H or CH3, and R 2 is an alkyleneoxy group;and b) from 2 to 20 parts of second polymer containing from 60 to 98 weight percent of units of the structure CH 2 ==CR|CN ;CHf=CHCI ;CH2=C(C1) 2 . CH ? = CH—O—C(O)R ;CH 2 =CH—O—R ;or 1 ־ 2 ־ i \ CH 2 = CH— Pyr where Pyr is pyridinyl or alkyl-substituted pyridinyl, and from 2 to 15 weight percent of units derived from unsaturated copolymerizable carboxylic acid or anhydride.
  5. 5
    11. A melt-processable polymeric blend comprising:a) from 80 to 98 parts of first polymer containing at least 50 mol % units of the structure — CH 2 — CH — OH and optionally units selected from one or more of the following structures: --- CH 2 —. CH 2 -- ;-- CH 2 — CHR — ;— CH 2 —CH— ;or —CH 2 —CR!— wherein R is alkyl, R T is H or CH3, and R 2 is an alkyleneoxy group;and b) from 2 to 20 parts of second polymer containing from 60 to 98 weight percent of units of the structure CH 2 =C(C1)--CH=CH 2 ;or CH 2 = CH—CR! = CH 2 and where R5 is —H or —CH3, and from 2 to 15 weight percent of units derived from unsaturated copolymerizable carboxylic add or anhydride said second polymer being free, or substantially free, from units of the nitrogenous monomers: — CH 2 — CH NH I 0= C—R —CH 2 -C — O=C-NR 4 R 5 —CH 2 -CHN (CH 2 ) n ^־'c=O —ch 2 -c0=c—o-ch 2 -ch 2 -r 6 and-CH 2 -C — 0= C-NR 4 -CH 2 -CH 2 -R 6 wherein n is 2,3,4, or 5, R4 and R5 are the same or different and are H, (C1-C4) alkyl or -C2H40)־-C2H4)- in a cyclic form and 1¾ is —NH-CO-NHR 1 or —N-CO-NH CH 2 --- CH 2
  6. 6
    12. A polymeric blend Claim 1,2 or 5 wherein the first polymer comprises at least 95 mol percent of units of the structure — CH 2 — CHOH and wherein the second polymer comprises from 2 to 10 weight percent of units derived from the unsaturated carboxylic acid of the structure CH 9 = C(CH 3 )R, L -י
  7. 7
    13. A polymeric blend of Claim 12 wherein the mol percent of units having the structure — CH 2 — CHOH is greater than 99%,
  8. 8
    14. A polymeric composition of any preceding Claim in the form of foil, sheet, film, fiber, packaging material, multi-layer laminate or molded article.
  9. 9
    15. A blend of any of Claims 1,2, or 12 wherein R2 is an alkeneoxy group containing from 1 to about 20 alkeneoxy units and wherein the alkeneoxy chain is terminated in hydrogen, a 0ן—C 2 q alkyl, C 6 aryl, or C 7 —C2q alkaryl group.
Independent claims9