Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1989-07-24
1990-10-30
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528176, 528183, 528271, C08G 6300
Patent
active
049669567
ABSTRACT:
A novel copolyesteramide made up of monomeric units of formula I to IV in molar proportions of 40-60% of I, 10-20% of II, 1-12% of III and 15-30% of IV are obtained by polymerizing the corresponding monomers in molten or dissolved state, in an inert atmosphere, during a period of time between 2 and 18 hours and a temperature between 220.degree. and 350.degree. C.
The product is useful in the preparation of filaments with high tensile strenght and high tensile modulus, as well as for the preparation of products molded by extrusion or injection and also for the preparation of films. ##STR1##
REFERENCES:
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patent: 4351918 (1982-09-01), Charbonneau et al.
patent: 4355132 (1982-10-01), East et al.
patent: 4499256 (1985-02-01), Blundell et al.
patent: 4567227 (1986-01-01), Kiss
patent: 4839128 (1989-06-01), Yoshino et al.
Andreu Enrique M.
Gomez Fernando N.
Ostariz Jose L. S.
Vallejo Jose L. R.
Anderson Harold D.
Cables de Comunicaciones, S.A.
Mosley T.
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