Reinforced compositions

Patent metadata

Field	Value
Publication number	US-2020332121-A1
Application number	US-202016920809-A
Country	US
Kind code	A1
Filing date	Jul 6, 2020
Priority date	Jun 21, 2013
Publication date	Oct 22, 2020
Grant date	—

Abstract

A composition [composition (C)] comprising: from 1 to 90% by weight (wt. %) of at least one a polyetherimide polymer [PEI polymer]; from 5 to 94 wt. % of at least one polyphenylsulfone polymer [PPSU polymer], from 5 to 75% wt. of at least one fibrous reinforcing filler, and optionally at least one additional ingredient (I) selected from the group consisting of (i) colorants, (ii) pigments, (iii) light stabilizers, (iv) heat stabilizers, (v) antioxidants, (vi) acid scavengers, (vii) processing aids, (viii) nucleating agents, (ix) internal lubricants and/or external lubricants, (x) flame retardants, (xi) smoke-suppressing agents, (x) anti-static agents, (xi) anti-blocking agents, and (xii) conductivity additives.

First claim

1 . A composition [composition (C)] consisting essentially of:
from 1 to 90% by weight (wt. %) of at least one a polyetherimide polymer [PEI polymer, herein after]; from 5 to 94 wt. % of at least one polyphenylsulfone polymer [PPSU polymer, herein after], wherein more than 50% by moles of the recurring units of said PPSU polymer are recurring units (R PPSU ) of formula (A), herein below:

from 5 to 75% wt. of at least one reinforcing filler, wherein said reinforcing filler is a fibrous filler,
and
optionally at least one additional ingredient (I) selected from the group consisting of (i) colorants, (ii) pigments, (iii) light stabilizers, (iv) heat stabilizers, (v) antioxidants, (vi) acid scavengers, (vii) processing aids, (viii) nucleating agents, (ix) internal and/or external lubricants, (x) flame retardants, (xi) smoke-suppressing agents, (x) anti-static agents, (xi) anti-blocking agents, and (xii) conductivity additives,

wherein all % wt. are based on the total weight of the composition (C).

2 . The composition (C) according to claim 1 , wherein the composition (C) comprises a PEI/PPSU polymer in an amount equal to or above 50 wt. %, based on the total weight of the composition (C).

3 . The composition (C) according to claim 1 , wherein, in the PEI polymer, more than 50% of the recurring units (R1) are recurring units (R1a) selected from the group consisting of those of formula (XXV) in imide form, their corresponding amic acid forms of formulae (XXVI) and (XXVII), and mixtures thereof:

wherein in formulae (XXVI) and (XXVII) the → denotes isomerism so that in any recurring unit the two groups to which the arrows from the same aromatic ring point may exist as shown or in an interchanged position.

4 . The composition (C) according to claim 1 , wherein, in the polyetherimide (PEI), more than 50% of the recurring units (R1) are recurring units (R1a-4) selected from the group consisting of those of formula (XXVIII) in imide form, their corresponding amic acid forms of formulae (XXIX) and (XXX), and mixtures thereof:

wherein in formulae (XXIX) and (XXX) the → denotes isomerism so that in any recurring unit the two groups to which the arrows from the same aromatic ring point may exist as shown or in an interchanged position.

5 . The composition (C) according to claim 1 , wherein the PEI polymer is present in an amount ranging from 5-95 wt. %, based on the total weight of the PEI polymer and PPSU polymer.

6 . The composition (C) according to claim 1 , wherein the reinforcing filler is present in an amount ranging from 15 to 70 wt. %, based on the total weight of the polymer composition (C).

7 . The composition (C) according to claim 1 , further comprising at least one additional ingredient (I) in an amount below 20% weight based on the total weight of polymer composition (C).

8 . A process for manufacturing the polymer composition (C) according to claim 1 , which comprises mixing:
from 1 to 90 wt. % of the at least one a polyetherimide polymer [PEI polymer]; from 5 to 94 wt. % of the at least one polyphenylsulfone polymer [PPSU polymer], wherein more than 50% by moles of the recurring units of said PPSU polymer are recurring units (R PPSU ) of formula (A), herein below:

from 5 to 75 wt. % of the at least one fibrous reinforcing filler,

and
optionally at least one additional ingredient (I) selected from the group consisting of (i) colorants, (ii) pigments, (iii) light stabilizers, (iv) heat stabilizers, (v) antioxidants, (vi) acid scavengers, (vii) processing aids, (viii) nucleating agents, (ix) internal and/or external lubricants, (x) flame retardants, (xi) smoke-suppressing agents, (x) anti-static agents, (xi) anti-blocking agents, and (xii) conductivity additives,

wherein all wt. % are based on the total weight of the composition.

9 . The process according to claim 8 , wherein mixing is carried out by dry blending, slurry mixing, solution mixing, melt mixing or a combination of dry blending and melt mixing.

10 . A method for manufacturing composite parts, a part of an article or an article, said method comprising processing the composition (C) of claim 1 to form the article, the part of the article, or the composite parts.

11 . A composite part comprising the polymer composition (C) according to claim 1 .

12 . An article comprising at least one composite part according to claim 11 .

13 . An article comprising the composition (C) according to claim 1 .

14 . The article according to claim 13 , wherein the article is a plumbing, a medical, a dental, a healthcare, an aircraft interior, a food service, a dairy equipment, a laboratory animal cage, a laboratory equipment, an electronic device, a mobile electronic part, an automotive part, or a pumping part.

15 . The composition (C) according to claim 1 , wherein the reinforcing filler is selected from the group consisting of glass fibers, carbon fibers and combinations thereof.

16 . The composition (C) according to claim 1 , wherein the reinforcing filler is a fibrous filler selected from glass fiber having a diameter from 5 μm to 40 μm and a length from 1 mm to 20 mm, or a carbon fiber.

17 . The composition (C) according to claim 1 , wherein the composition (C) excludes a flame retardant (x) comprising a sulfonate salt and a processing aid (vii) comprising a sulfonate salt.

18 . The composition (C) according to claim 1 , excluding a sulfonate salt.

19 . The composition (C) according to claim 1 , wherein more than 50 wt. % of the recurring units of said PEI polymer are recurring units (R1a) selected from the group consisting of those of formula (XIV) in imide form, their corresponding amic acid forms of formulae (XV) and (XVI), and mixtures thereof:

wherein:
the → denotes isomerism so that in any recurring unit the two groups to which the arrows from the same aromatic ring point may exist as shown or in an interchanged position;
Ar″ is selected from the group consisting of those complying with following formulae (VII) to (XIII)

wherein R and R′, equal or different from each other, are independently selected from the group consisting of: hydrogen, halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium, and j, k, l, n and m equal or different from each other, are independently 0, 1, 2, 3 or 4, and W is selected from the group consisting of alkylenes of 1 to 6 carbon atoms; perfluoroalkylenes of 1 to 6 carbon atoms; cycloalkylenes of 4 to 8 carbon atoms; alkylidenes of 1 to 6 carbon atoms; cycloalkylidenes of 4 to 8 carbon atoms; —O—; —S—; —C(O)—; —SO 2 —; and —SO—;
E is selected from the group consisting of —C n H 2n — (n being an integer from 1 to 6), divalent radicals of the general formu

Assignees

• Solvay Specialty Polymers Usa

Inventors

• Bushelman Corinne

Classifications

• C08L81/06 Primary

  Polysulfones; Polyethersulfones · CPC title

• C08L79/08 Primary

  Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors · CPC title

• C08K3/013

  Fillers, pigments or reinforcing additives · CPC title

• C08K2201/003

  Additives being defined by their diameter · CPC title

• C08G73/1053

  with oxygen only in the tetracarboxylic moiety · CPC title