Granted Patent
B2
US 7,897,702 · App. 12/276,654 · Granted Mar 1, 2011
Epoxy resin, curing agent and 9,10-Dihydro-9-oxa-10-phosphaphenanthrene derivative
Assignee:
Chung-Shan Institute of Science and Technology, Armaments Bureau, Ministry of National Defense
View Patent ↗
Loading inventors, assignments & file history…
Abstract
The invention discloses a novel cross-linked epoxy resin with flame-retardant properties and method for producing the same. The polymeric material of the invention includes an epoxy resin, a curing agent and a modification agent. Particularly, the modification agent is a derivative of 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-Oxide (DOPO). Moreover, the curing agent is 4,4′-diaminodiphenyl methane (DDM), or tris(4-aminephenyl)amine (NNH).
Claims (1)
1. A cross-linked epoxy resin comprising: an epoxy resin; a curing agent; and a modification agent, the modification agent is a derivative of 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide (DOPO), wherein the modification agent is Dopo-tri-azetidine-2, 4-diones.
Assignments (2)
CHANGE OF NAME
Recorded Apr 17, 2015
From: CHUNG-SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY, ARMAMENTS, BUREAU, MINISTRY OF NATIONAL DEFENSE
To: NATIONAL CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY
Reel/Frame 035453/0379 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Nov 24, 2008
From: SU, WEN-CHIUNG; LIU, CHUN-KU; JENG, RU-JONG; DAI, SHENGHONG A.; LIN, CHING-HSUAN
To: CHUNG-SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY, ARMAMENTS BUREAU, MINISTRY OF NATIONAL DEFENSE
Reel/Frame 021882/0094 →
Continuity (1)