Compatibilized compositions, articles formed therefrom, and methods of manufacture thereof

Patent metadata

Field	Value
Publication number	US-10005902-B2
Application number	US-201515110477-A
Country	US
Kind code	B2
Filing date	Jan 12, 2015
Priority date	Jan 10, 2014
Publication date	Jun 26, 2018
Grant date	Jun 26, 2018

Abstract

A thermoplastic composition comprises, based on the total weight of the thermoplastic composition, 10 to 45 wt. % of a poly(etherimide); 35 to 90 wt. % of a poly(carbonate-siloxane); 0.5 to 20 wt. % of compatibilizer polycarbonate component comprising a poly(carbonate-arylate ester); up to 15 wt. % of an ultraviolet light stabilizer; and 0 to 30 wt. % of TiO2; wherein a sample of the composition has a notched Izod impact energy of at least 200 J/m at 23° C. measured in accordance to ASTM D256; and an at least 50% higher notched Izod impact energy value compared to the composition without the compatibilizer component measured in accordance to ASTM D256.

First claim

What is claimed is:

1. A thermoplastic composition comprising, based on the total weight of the thermoplastic composition,
10 to 45 wt. % of a poly(etherimide);
35 to 90 wt. % of a poly(carbonate-siloxane);
0.5 to 20 wt. % of compatibilizer polycarbonate component comprising a poly(carbonate-arylate ester);
up to 15 wt. % of an ultraviolet light stabilizer; and
0 to 30 wt. % of TiO 2 ;
wherein a sample of the composition has
a notched Izod impact energy of at least 200 J/m at 23° C. measured in accordance to ASTM D256; and
an at least 50% higher notched Izod impact energy value compared to the composition without the compatibilizer component measured in accordance to ASTM D256.

2. The composition of claim 1 , wherein the poly(etherimide) comprises units of the formula

wherein
R is a C 2-20 hydrocarbon group, and
Z is an aromatic C 6-24 monocyclic or polycyclic group optionally substituted with 1 to 6 C 1-8 alkyl groups, 1 to 8 halogen atoms, or a combination thereof, wherein the divalent bonds of the —O—Z—O— group are in the 3,3′, 3,4′, 4,3′, or the 4,4′ positions.

3. The composition of claim 2 , wherein R is a divalent radical of the formula

wherein Q is —O—, —S—, —C(O)—, —SO 2 —, —SO—, or —C y H 2y — and a halogenated derivative thereof
wherein y is an integer from 1 to 5, and
Z is a divalent group of the formula

wherein Q 1 is —O—, —S—, —C(O)—, —SO 2 —, —SO—, or —C y H 2y — wherein y is an integer from 1 to 5.

4. The composition of claim 1 , further comprising 0.5 to 10 wt. % of a poly(etherimide-siloxane) copolymer.

5. The composition of claim 1 , wherein the poly(carbonate-siloxane) comprises first repeating units and second repeating units, wherein
the first repeating units are bisphenol carbonate units of the formula

wherein
R a and R b are each independently C 1-12 alkyl, C 1-12 alkenyl, C 3-8 cycloalkyl, or C 1-12 alkoxy,
p and q are each independently 0 to 4, and
X a is a single bond, —O—, —S—, —S(O)—, —S(O) 2 —, —C(O)—, a C 1-11 alkylidene of formula —C(R c )(R d ) wherein R c and R d are each independently hydrogen or C 1-10 alkyl, or a group of the formula C(═R e )— wherein R e is a divalent C 1-10 hydrocarbon group; and
the second repeating units are polysiloxane units of the formula

wherein
R is each independently a C 1-13 monovalent hydrocarbon group, and
E has an average value of 2 to 200.

6. The composition of claim 5 , wherein the siloxane units are of the formula

or a combination comprising at least one of the foregoing, wherein E has an average value of 2 to 200, wherein the poly(carbonate-siloxane) comprises 0.5 to 55 wt. % of siloxane units based on the total weight of the poly(carbonate-siloxane).

7. The composition of claim 1 , wherein the poly(carbonate-arylate ester) comprises bisphenol A carbonate units and arylate ester units of the formula

wherein
R a and R b are each independently C 1-12 alkyl, C 1-12 alkenyl, C 3-8 cycloalkyl, or C 1-12 alkoxy,
p and q are each independently 0 to 4, and
X a is a single bond, —O—, —S—, —S(O)—, —S(O) 2 —, —C(O)—, a C 1-11 alkylidene of the formula C(R c )(R d )— wherein R c and R d are each independently hydrogen or C 1-10 alkyl, or a group of the formula —C(═R e )— wherein R e is a divalent C 1-10 hydrocarbon group.

8. The composition of claim 7 , wherein the poly(carbonate-arylate ester) is a poly(bisphenol A carbonate)-co-(bisphenol phthalate ester) comprising 55 to 65 wt. % of the ester units, wherein the ester units have a molar ratio of isophthalate to terephthalate of 45:55 to 55:45 or the poly(carbonate-arylate ester) is a poly(bisphenol A carbonate)-co-(bisphenol phthalate ester) comprising 75 to 85 wt. % of the ester units, wherein the ester units have a molar ratio of isophthalate to terephthalate of 98:2 to 88:12.

9. The composition of claim 1 , wherein the poly(carbonate-arylate ester) comprises bisphenol A carbonate units, arylate ester units of the formula

optionally, monoaryl carbonate units of the formula

and
optionally, bisphenol ester units of the formula

wherein, in the foregoing formulas
R h is each independently a C 1-10 hydrocarbon group,
n is 0 to 4,
R a and R b are each independently a C 1-12 alkyl,
p and q are each independently integers of 0 to 4, and
X a is a single bond, —O—, —S—, —S(O)—, —S(O) 2 —, —C(O)—, or a C 1-13 alkylidene of formula
—C(R c )(R d )— wherein R c and R d are each independently hydrogen or C 1-12 alkyl, or a group of the formula —C(═R e )— wherein R e is a divalent C 1-12 hydrocarbon group.

10. The composition of claim 9 , wherein the poly(carbonate-arylate ester) comprises
70 to 90 mol % of bisphenol A carbonate units,
10 to 30 mol % of isophthalic acid-terephthalic acid-resorcinol ester units, and
optionally, 1 to 60 mol % resorcinol carbonate units, isophthalic acid-terephthalic acid-bisphenol A ester units, or a combination thereof.

11. The composition of claim 9 , wherein the poly(carbonate-arylate ester) comprises
1 to 20 mol % of bisphenol A carbonate units,
60 to 99 mol % of isophthalic acid-terephthalic acid-resorcinol ester units, and
optionally, 1 to 20 mol % resorcinol carbonate units, isophthalic acid-terephthalic acid-bisphenol A ester units, or a combination thereof.

12. The composition of claim 1 , wherein the poly(carbonate-arylate ester) is a poly(carbonate-monoaryl arylate ester) further comprising siloxane groups comprising
repeating carbonate units of the formula

wherein
R a and R b are each independently are each independently C 1-12 alkyl,
p and q are each independently integers of 0 to 4, and
X a is a single bond, —O—, —S—, —S(O)—, —S(O) 2 —, —C(O)—, or a C 1-18 organic group; and
arylate ester units of the formula

wherein
R h is each independently a halogen or C 1-10 hydrocarbon group, and
n is 0 to 4; and
siloxane units of the formula

wherein
each R is independently a C 1-13 monovalent hydrocarbon group, and
E has an average value of 2 to 500.

13. The composition of claim 12 , wherein in the poly(carbonate-monoaryl arylate ester),
the carbonate units are bisphenol A carbonate units;
the arylate ester units are isophthalic acid-terephthalic acid-re

Assignees

• Sabic Global Technologies Bv

Inventors

• Sybert Paul Dean
• Van Der Mee Mark Adrianus Johannes
• Assink Roland Sebastian
• Van De Grampel Robert Dirk
• Narayanan Aditya
• Cao Feng
• Sheth Kapil Chandrakant
• Zhou Hao
• Sun Xiaoyu
• Wirtz Remco

Classifications

• C08K2003/2241

  Titanium dioxide · CPC title

• C08L2201/08

  Stabilised against heat, light or radiation or oxydation · CPC title

• C08L2207/04

  Thermoplastic elastomer · CPC title

• C08J2369/00

  Characterised by the use of polycarbonates; Derivatives of polycarbonates · CPC title

• C08J5/00

  Manufacture of articles or shaped materials containing macromolecular substances (manufacture of semi-permeable membranes B01D67/00 - B01D71/00) · CPC title