Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1983-10-28
1984-07-24
Nielsen, Earl A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
528122, 528123, 528361, 528407, C08G 5950
Patent
active
044618786
ABSTRACT:
Disclosure is a novel hardening agent for epoxy resins which has quick cold hardening ability and high safety for human bodies. This hardening agent has the general formula: ##STR1## Epoxy resins hardened with this hardening agent have excellent mechanical properties at high temperatures.
REFERENCES:
patent: 3327016 (1967-06-01), Lee
patent: 3367911 (1968-02-01), Daum et al.
patent: 4391958 (1983-07-01), Minato et al.
Furuoya Itsuo
Minato Ichiro
Shibata Koichi
Nielsen Earl A.
Takeda Chemical Industries Ltd.
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