Claims
- 1. A low profile additive for polyester molding compositions comprising the reaction product of a styrene-maleic anhydride copolymer and a hydroxyl-terminated polydiene.
- 2. The low profile additive of claim 1 wherein the styrene-maleic anhydride copolymer is present in the amount of from about 25 to about 50 parts by weight per 100 parts by weight of additive.
- 3. The low profile additive of claim 1 wherein the hydroxyl-terminated polydiene is a polydienediol having a molecular weight of from about 500 to about 3,000.
Parent Case Info
This is a division, of application Ser. No. 665,751, filed Mar. 11, 1976, now U.S. Pat. No. 4,038,341, July 26, 1977.
US Referenced Citations (12)
Non-Patent Literature Citations (1)
Entry |
Chem. Abs. 82:P87075t (Japan Pat. Publ. SHO 49-113893 Oct. 30, 1974). |
Divisions (1)
|
Number |
Date |
Country |
Parent |
665751 |
Mar 1976 |
|