Claims
- 1. A composition comprising:
- 20-80 weight percent of a styrene polymer with mainly syndiotactic configuration selected from the group consisting of polystyrene, poly(alkylstyrene), poly(halogenated styrene), poly(alkoxystyrene), styrene copolymers comprised of polymerized units of at least two of styrene, alkylstyrene, halogenated styrene and alkoxy styrene, and mixtures thereof; and
- 20-80 weight percent of a polycarbonate.
- 2. The composition according to claim 1, further comprising inorganic filler.
- 3. The composition of claim 2, comprising 10-60% by weight of said inorganic filler.
- 4. The composition of claim 2, comprising 10-40% by weight of said inorganic filler.
- 5. The composition of claim 2, wherein said inorganic filler is glass fibers, carbon or alumina.
- 6. The composition of claim 2, wherein said inorganic filler is a granular or powdered filler selected from the group consisting of talc, carbon black, graphite, titanium dioxide, silica, mica, calcium carbonate, calcium sulfate, barium carbonate, magnesium carbonate, magnesium sulfate, barium sulfate, oxysulfate, tin oxide, alumina, kaolin, silicon carbide, and metal powder.
- 7. The composition of claim 2, wherein said inorganic filler is a mixture of glass fibers and at least one other inorganic filler.
- 8. A composition comprising:
- 50-80 weight percent of a styrene polymer with mainly syndiotactic configuration selected from the group consisting of polystyrene, poly(alkylstyrene), poly(halogenated styrene), poly(alkoxystyrene), styrene copolymers comprised of polymerized units of at least two of styrene, alkylstyrene, halogenated styrene and alkoxy styrene, and mixtures thereof; and
- 20-50 weight percent of a polycarbonate.
Priority Claims (4)
Number |
Date |
Country |
Kind |
62-305838 |
Dec 1987 |
JPX |
|
63-003844 |
Jan 1988 |
JPX |
|
63-004923 |
Jan 1988 |
JPX |
|
63-121700 |
May 1988 |
JPX |
|
Parent Case Info
This is a division of application Ser. No. 08/411,407, filed Mar. 28, 1995, now abandoned, which is a continuation of application Ser. No. 08/167,190, filed Dec. 16, 1993, now abandoned, which is, a division of application Ser. No. 07/510,110, now U.S. Pat. No. 5,395,890, filed Apr. 17, 1990; and a continuation-in-part of application Ser. No. 07/930,329, filed Aug. 17, 1992, now U.S. Pat. No. 5,292,587; and a continuation-in-part of application Ser. No. 07/524,372, filed May 15, 1990, now U.S. Pat. No. 5,166,238.
Said application Ser. No. 07/510,110 is a continuation-in-part of application Ser. No. 07/267,990, filed Nov. 7, 1988, now abandoned; and a continuation-in-part of application Ser. No. 07/285,707, filed Dec. 16, 1988, now abandoned; and a continuation-in-part of 07/492,205, filed Mar. 12, 1990, now abandoned, which is a continuation of application Ser. No. 07/233,899, filed Aug. 15, 1988, now abandoned, which is a continuation-in-part of application Ser. No. 07/096,946, filed Sep. 14, 1987, now abandoned.
Said application Ser. No. 07/524,372 is a continuation-in-part of application Ser. No. 07/358,353, filed May 11, 1989, now abandoned; and a continuation-in-part of application Ser. No. 07/423,602, filed Oct. 16, 1989, now abandoned, which is a continuation of application Ser. No. 07/268,159, filed Nov. 7, 1988, now abandoned; and a continuation-in-part of application Ser. No. 07/492,206, filed Mar. 12, 1990, now abandoned, which is a continuation of application Ser. No. 07/347,182, filed May 3, 1989, now abandoned, which is a continuation of application Ser. No. 07/185,515, filed Apr. 25, 1988, now abandoned.
US Referenced Citations (31)
Foreign Referenced Citations (1)
Number |
Date |
Country |
62-257950 |
Oct 1987 |
JPX |
Divisions (3)
|
Number |
Date |
Country |
Parent |
411407 |
Mar 1995 |
|
Parent |
510110 |
Apr 1990 |
|
Parent |
464935 |
Jan 1990 |
|
Continuations (5)
|
Number |
Date |
Country |
Parent |
167190 |
Dec 1993 |
|
Parent |
233899 |
Aug 1988 |
|
Parent |
268159 |
Nov 1988 |
|
Parent |
347182 |
May 1989 |
|
Parent |
185515 |
Apr 1988 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
096946 |
Sep 1987 |
|