Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1980-10-24
1982-07-13
Lieberman, Paul
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525183, C08L 7700
Patent
active
043395554
ABSTRACT:
A polyamide based resin composition is prepared mixing a resin composition with a urea compound of the formula: R.sup.2 --NHCONH--R.sup.1 --NHCONH--R.sup.3 wherein R.sup.1 is an aromatic hydrocarbon group and R.sup.2 and R.sup.3 are both aliphatic groups of 8 to 32 carbon atoms, said resin composition being prepared by melt mixing 99 to 40 parts by weight of a polyamide resin and 1 to 60 parts by weight of a modified ethylene copolymer prepared by graft copolymerizing a copolymer of ethylene and an .alpha.-olefin of at least three carbon atoms with an .alpha.,.beta.-unsaturated carboxylic acid or derivative thereof.
REFERENCES:
patent: 3250823 (1966-05-01), Zeitlin
patent: 3974234 (1976-08-01), Brinkmann
patent: 4080349 (1978-03-01), Wurmb
patent: 4174358 (1979-11-01), Epstein
patent: 4251644 (1981-02-01), Joffrion
Omura: Chemical Abstracts, vol. 88, (1978) Abstract No. 106248u.
Omura: Chemical Abstracts, vol. 90 (1979) Abstract No. 72921g.
Omura: Chemical Abstracts, vol. 90 (1979) Abstract No. 104986a.
Kawasaki Hiroyuki
Maruyama Seiichiro
Ohmura Yasuhiro
Lieberman Paul
Mitsubishi Chemical Industries Ltd.
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