Aliphatic polyester resin composition, preparation method...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

Reexamination Certificate

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Details

C525S413000, C528S271000, C528S480000

Reexamination Certificate

active

10560629

ABSTRACT:
An aliphatic polyester resin composition is provided which is excellent in heat resistance, moldability and hydrolysis resistance. The aliphatic polyester resin composition comprises a biodegradable polyester resin (A) essentially including an α- and/or β-hydroxycarboxylic acid unit and crosslinked by at least one crosslinking agent (B) selected from the group consisting of (meth)acrylate compounds and polyvalent isocyanate compounds, wherein some or all of carboxyl groups of the resin (A) are blocked by 0.01 to 20 parts by mass of a terminal blocking agent (C) based on 100 parts by mass of the resin (A).

REFERENCES:
patent: 5500465 (1996-03-01), Krishnan et al.
patent: 5618911 (1997-04-01), Kimura et al.
patent: 2000-017037 (2000-01-01), None
patent: 2000017037 (2000-01-01), None
patent: 2001151871 (2001-06-01), None
patent: 2001-261797 (2001-09-01), None
patent: 2002030208 (2002-01-01), None
patent: 2002338796 (2002-11-01), None
patent: 2003-147182 (2003-05-01), None
patent: 2003147182 (2003-05-01), None
JP 2002338796 A-english translation JP 2001151871 A-english translation.
JP 2003147182 A-english translation.
JP 2002030208 A-english translation.
JP 2000017037 A-english translation.
english translation of JP2001151871A, JP2003147182A, JP2002030208A, JP2000017037A, JP 2002338796A.

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