PHENOL/TRIAZINE DERIVATIVE CO-CONDENSATE RESIN AND PROCESS FOR PRODUCING THE SAME

Title:

PHENOL/TRIAZINE DERIVATIVE CO-CONDENSATE RESIN AND PROCESS FOR PRODUCING THE SAME

Document Type and Number:

WIPO Patent Application WO/2000/009579

Kind Code:

A1

Abstract:

A phenol/triazine derivative co-condensate resin in which the average proportion of the number of [-NH-CH¿2?-phenol] units to the total number of [-NH-CH¿2?-phenol] units, [-NH-CH¿2?-NH-] units, and [phenol-CH¿2?-phenol] units is 30 to 80 %, and which has a number-average molecular weight (M¿n?) of 300 to 800 and a ratio (M¿w?/M¿n?) of the weight-average molecular weight (M¿w?) to the number-average molecular weight (M¿n?) of 1.30 or lower. Because of these properties, the resin has high durability, high resistances to heat and hydrolysis and high flame retardancy, and does not generate any toxic gas during curing. Because the resin has a narrow molecular weight distribution, it has a low viscosity, can be easily produced and handled, and is less apt to become incompatible.

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Inventors:

NAKAYAMA TAKESHIGE (JP)
KURIMOTO YOSHIAKI (JP)
TAKAGI SEIJI (JP)

Application Number:

PCT/JP1998/003583

Publication Date:

February 24, 2000

Filing Date:

August 12, 1998

Export Citation:

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Assignee:

GUN EI CHEMICAL INDUSTRY CO LTD (JP)
NAKAYAMA TAKESHIGE (JP)
KURIMOTO YOSHIAKI (JP)
TAKAGI SEIJI (JP)

International Classes:

C08G14/09; C08G14/10; C08L61/34; H05K1/03; (IPC1-7): C08G14/09

Foreign References:

JPS58104918A	1983-06-22
JPS55135123A	1980-10-21
JPH04292612A	1992-10-16
JPH03265618A	1991-11-26
JPH03243613A	1991-10-30
JPS55152714A	1980-11-28

Other References: