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US 5,401,578 AGranted
Method for putting silicone onto polycarbonate
AssigneeGeneral Electric Company
InventorsMichael A. Lucarelli, John W. Raleigh, Kimberlie A. Schryer
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Abstract
A novel method for putting silicone onto polycarbonate is disclosed comprising preparing a mixture of a silicone, a polycarbonate and a solvent, heating the mixture to reflux and recovering the solid powdery residue.
Claims11
A composition comprising solid polycarbonate particles having silicone deposited thereon by means of a method comprising:
- (a) mixing or suspending a polycarbonate resin and a silicone in a solvent to form a mixture;
- (b) heating said mixture to reflux to remove the solvent;
- and
- (c) recovering powdery polycarbonate having silicone deposited thereon, wherein said powdery polycarbonate having silicone deposited thereon comprises from about 10 to about 50 weight percent silicone.
1 more element
A powdery polycarbonate having silicone deposited thereon by a method comprising:
- (a) mixing or suspending a polycarbonate resin and a silicone in a solvent comprising toluene to form a mixture;
- (b) heating said mixture to reflux to remove the solvent and to form a semisolid or a slurry:
- and
- (c) recovering powdery polycarbonate having silicone deposited thereon wherein the powdery polycarbonate having silicone deposited thereon comprises from about 10 to about 50 weight percent polycarbonate.
1 more element
Dependencies are inferred from the claim text.