Recycle method for polycarbonate resin waste

Details Recycle method for polycarbonate resin waste Recycle method for polycarbonate resin waste

2006-09-12

2006-09-12

Boykin, Terressa (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

C264S176100, C264S219000, C526S067000

Reexamination Certificate

active

07105632

ABSTRACT:
Disclosed is a method for recycling polycarbonate using melt polycondensation apparatus. A polycarbonate polycondensation component is introduced into transesterification polymerization equipment and subjected to one or both of a transesterification reaction and a polycondensation reaction. The polycarbonate polycondensation component has an OH group concentration and comprises one or both of polycarbonate waste resin and polycarbonate oligomer. The OH group concentration of the polycarbonate polycondensation component is adjusted either before or during the transesterification and/or polycondensation reactions.

REFERENCES:
patent: 5652275 (1997-07-01), Buysch et al.
patent: 2003/0065130 (2003-04-01), Hahnsen et al.
patent: 46353 (1963-07-01), None
patent: 07316280 (2003-01-01), None
Japanese Patent No. JP63215763; Publication Date: Sep. 8, 1988; Abstract Only; 1 page.
Japanese Patent No. JP62020184; Publication Date: Jan. 28, 1987; Abstract Only; 2 pages.
Japanese Patent No. JP10016280; Publication Date: Jan. 20, 1998; Abstract Only; 2 pages.
Japanese Patent No. JP11152371; Publication Date: Jun. 8, 1999; Abstract Only; 2 pages.
Japanese Patent No. JP02124934; Publication Date: May 14, 1990; Abstract Only; 2 pages.
International Search Report dated Jun. 17, 2004.

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