Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1990-09-24
1993-06-01
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528125, 528171, 528191, 528193, C08G 802, C08G 7902, C08G 7500, C08G 6302
Patent
active
052161137
ABSTRACT:
The new polyphosphonates, which are highly branched through polyfunctional phosphorus compounds, are suitable for use as moldings, fibers or films and as flameproofing agents and stabilizers in plastics. The new highly branched polyphosphonates show high resistance to thermal ageing and ensure good processability coupled with high migration resistance at elevated in-use temperatures.
REFERENCES:
patent: 2716101 (1955-08-01), Coover et al.
patent: 4350793 (1982-09-01), Schmidt et al.
patent: 4374971 (1983-02-01), Schmidt et al.
patent: 4781984 (1988-11-01), Cavitt et al.
patent: 4970249 (1990-11-01), Joswig et al.
Arndt Uwe
Block Hans-Dieter
Fengler Gerd
Idel Karsten-Josef
Kirsch Jurgen
Bayer Aktiengesellschaft
Kight III John
Mosley T.
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