Detail of "61128-46-9"

CAS Number:
61128-46-9
Name:
1,3-Isobenzofurandione, 5,5-((1-methylethylidene)bis(4,1-phenyleneoxy))bis-, polymer with 1,3-benzenediamine
Molecular Structure:
Formula:
C₃₇H₂₈N₂O₈
Molecular Weight:
0
Synonyms:
1,3-Isobenzofurandione,5,5’-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis-,polymerwith1,3-benzenediamine;3-isobenzofurandione,5,5’-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis-p;olymerwith1,3-benzenediamine;poly(bisphenola-co-4-nitrophthalicanhy-dride-co;POLY(BISPHENOL A-CO-4-NITROPHTHALIC ANHYDRIDE-CO-1,3-PHENYLENEDIAMINE);POLYETHERIMIDE;POLY(BISPHENOL A-CO-4-NITROPHTHALIC ANHY -DRIDE-CO-1,3-PHENYLENEDIAMINE), MI 9;POLY(BISPHENOL A-CO-4-NITROPHTHALIC ANHY -DRIDE-CO-1,3-PHENYLENEDIAMINE), MI 18

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Amorphous polyetherimide resin

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Polyetherimide-polypropylene blends: Polyetherimide-polypropylene blends. Giles, Harold F., Jr.; Schlich, William R. (General Electric Co., USA). U.S. 61128-24-3 and 9010-79-1 are cas registry numbers. These chemicals are also mentioned in this article. US 4427830 A 24 Jan 1984, 8 pp. (English). (United States of America). CODEN: USXXAM. CLASS: IC: C08L079-04; C08L079-08. NCL: 525180000. APPLICATION: US 82-359506 18 Mar 1982. DOCUMENT TYPE: Patent CA Section: 37 (Plastics Manufacture and Processing) The impact strength of polyetherimides is increased by blending with 1-20% propylene polymers. Thus, test bars prepd. from 90% 2,2-bis[4-(3,4-dicarboxyphenoxy)phenyl]propane dianhydride-m-phenylenediamine copolymer (I) [61128-46-9] and 10% polypropylene [9003-07-0] had Izod impact strength 1.79 ft-lb/in. notch, compared with 0.606 ft-lb/in. for a blend and 1.08 ft-lb/in. for 100% I. .

Polyetherimide: Polyetherimide. Schmidt, Lawrence R.; Lovgren, Eric M. (General Electric Co., USA). U.S. US 4421907 A 20 Dec 1983, 11 pp. 61128-24-3 and 85-44-9 are cas registry numbers. These chemicals are also mentioned in this article. (English). (United States of America). CODEN: USXXAM. CLASS: IC: C08G073-10. NCL: 528128000. APPLICATION: US 83-459849 21 Jan 1983. DOCUMENT TYPE: Patent CA Section: 35 (Chemistry of Synthetic High Polymers) Polyetherimides are prepd. by dry blending arom. bis(ether anhydrides) and org. diamines, feeding the resulting solids into an extruder, conveying the solids to a melting stage in the extruder where they are kneaded and melted via viscous heating at 50-300°, conveying the melted liq. to a mass transfer stage where water is vented to the atm. at 200-350°, conveying the resulting melt to an advanced polymn. stage where the melt is subjected to higher shear and intensive mixing at 300-400° and 1-25 atm. Thus, a mixt. of 2,2-bis[4-(3,4-dicarboxyphenoxy)phenyl]propane dianhydride, m-phenylenediamine, and 3% phthalic anhydride [85-44-9] was fed at 0.5 lb/h for >5 h to a twin screw corotating extruder with screw speed 200 rpm to give a copolymer [61128-46-9] having intrinsic viscosity (in CHCl3) 0.44 dL/g and phys. properties comparable to com. polyetherimides. .