Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-03-03
1988-09-06
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
528 96, 528 97, C08G 5924, C08G 5950
Patent
active
RE0327450
ABSTRACT:
A composition comprising a polymeric resin derived from (A) at least one compound containing an average of more than one 1-oxa-3-aza-tetraline group per molecule with (B) at least one cycloaliphatic epoxide containing at least two epoxide groups, at least one of said epoxide groups being part of said ring, the mole ratio of (b) to (a) epoxide groups to 1-oxa-3-aza-tetraline groups being in the range of about 0.2 to about 2.
REFERENCES:
patent: 3749683 (1973-07-01), Tomalia et al.
patent: 4383102 (1983-05-01), McDaniel et al.
Gurit-Essex AG
Nielsen Earl
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