Catalytic action of metallic salts in autoxidation and polymerization. V. Effect of some cobaltic compounds on the thermal oxidative degradation of isotactic polypropylene

Osawa, Zenjiro; Ishizuka, Takashi; Sorimachi, Masami; Ogiwara, Yoshitaka

doi:10.1002/pol.1971.110090705

Cited by 18 publications

(1 citation statement)

References 19 publications

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“…However, the compounds containing an electron-donating group (6,8, and 9), particularly in the presence of a methoxyl group (8), was fairly effective.…”

Section: Resultsmentioning

confidence: 93%

Effect of various triazine derivatives on the thermal oxidative degradation of isotactic polypropylene

Osawa

Seng

Ogiwara

et al. 1973

J of Applied Polymer Sci

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SynopsisA number of triazine derivatives, mostly aryloxy-s-triazines, were prepared, and the effects of these compounds on the thermal oxidative degradation of isotactic polypropylene were examined by conventional oxygen uptake. Almost all triazine derivatives prepared showed a more or less inhibitive effect on the degradation of the polymer. Among them, (I-and 0-napthyloxy-s-triazines were found to be excellent inhibitors. On the basis of the results obtained, the relationship between inhibitive effect and the structure of the triazine derivatives is discussed.

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“…However, the compounds containing an electron-donating group (6,8, and 9), particularly in the presence of a methoxyl group (8), was fairly effective.…”

Section: Resultsmentioning

confidence: 93%

Effect of various triazine derivatives on the thermal oxidative degradation of isotactic polypropylene

Osawa

Seng

Ogiwara

et al. 1973

J of Applied Polymer Sci

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Metallacetylacetonate bei der Synthese von Makromolekülen. Teil II

Schellenberg

Opitz

1982

Acta Polymerica

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Nachdem im ersten Teil der Arbeit die Einsatzmoglichkeiten von Metallacetylacetonaten bei Kettenwachstumsreaktionen zusammengefaSt wurden, gibt diese Arbeit einen Uberblick uber die vielseitigen Verwendungsmoglichkeiten der Metallchelate bei den verschiedenen Stufenwachstumsreaktionen. Weiterhin wird auf die Applikation dieser Verbindungen bei polymeranalogen Reaktionen und bei Vernetzungs-und Abbaureaktionen eingegangen und ihre Verwendbarkeit als Hilfsstoffe bei der Modifizierung von Polymeren erortert. MemanfiayemuJcaqemonamu npu cunmeae &mpo.woJceIcyn. !iacmb B IIepBOt 9aCTH CTaTbH pe3DMHpOBaHbI BOBMOmHOCTH HCl'LOJIb30BaHER MeTannaqeTEnaqeTORaTOB IIpll PeaKqHHX pOCTa qelIH. B O BTOpOa WCTH pa6o~b1 AaH 0630p 0 MHOrOCTOpOHHl TX B03MOXHOCTEIX llpHMeHeE~J3 MeTaJIJIOXeJKATOB IIPH pa3nH9HbIX CTyIleH9aTbtX PeaKqEiHX POCTa qeI€H. 3aTeM 06cymne~o HCIIOJlb30BaHHB aTEX COe~HeHHfi IIpH BClIOMOI' aTWIbHbIX BeQeCTB IIpH MOnH@HKa€lH IIOJIHMepOB. nonmepaHanormHm peaKqmx EI peaKqmx pacmennenm H cmmaHnH, a TaKme HX npnMemeMocm B KaqecTBe Metal acetylacetonates in the synthesis of macromolecules. Part 11In the first part of this paper the possibilities of application of metal acetylacetonates in chain-reaction polymerizations were summarized. A review of the multilateral potential applications of metal chelats in different step-reaction polymerizations is provided in this publication. Further, the application of this compounds in polymeranalogous, cross-linking and degradation reactions is discussed and the utility as resources in the modification of polymers is illustrated.

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Catalytic action of metallic salts in autoxidation and polymerization. VI. The inhibitive effects of transition‐metal N,N‐diethyldiselenocarbamates on the thermal oxidative degradation of isotactic polypropylene

Osawa

Ishizuka

Ogiwara

et al. 1972

J of Applied Polymer Sci

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synopsis Transition-metal (Zn, Ni, Pd, Cu, Cr, Co) N,N-diethyldiselenocarbamates were prepard, and the inhibitive effects of these compounds on the thermal oxidative degradation of isotactic polypropylene, both in the presence and absence of copper stearate as oxidation accelerator, were examined by conventional oxygen uptake. I n both cases, all metal selenocarbamates showed a pronounced inhibitive effect on the degradation of the polymer, especially Zn and Ni selenocarbamates. The inhibitive action of these metal selenocarbamates was discussed from the viewpoint of viscosity change and carbonyl and hydroperoxide contents.

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Catalytic action of metallic salts in autoxidation and polymerization. V. Effect of some cobaltic compounds on the thermal oxidative degradation of isotactic polypropylene

Cited by 18 publications

References 19 publications

Effect of various triazine derivatives on the thermal oxidative degradation of isotactic polypropylene

Effect of various triazine derivatives on the thermal oxidative degradation of isotactic polypropylene

Metallacetylacetonate bei der Synthese von Makromolekülen. Teil II

Catalytic action of metallic salts in autoxidation and polymerization. VI. The inhibitive effects of transition‐metal N,N‐diethyldiselenocarbamates on the thermal oxidative degradation of isotactic polypropylene

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