Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From aldehyde or derivative thereof as reactant
Patent
1995-06-06
1997-10-07
Acquah, Samuel A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From aldehyde or derivative thereof as reactant
528232, 528239, 528256, 528266, 524714, 524777, 428221, C08G 1202, C08G 1402
Patent
active
056749716
ABSTRACT:
A urea-formaldehyde resin useful as a binder for making a variety of products, and a method for making the resin. The resin is prepared by reacting formaldehyde, urea, and ammonia in at least a two under alkaline conditions and optionally neutralizing the resin in a third step. The urea-formaldehyde resin thus produced has good resistance to hydrolysis, cures quickly, and is characterized by low formaldehyde emissions (release).
REFERENCES:
patent: 2255026 (1941-09-01), Keenen
patent: 2255027 (1941-09-01), Keenen
patent: 3438764 (1969-04-01), Church
patent: 3462256 (1969-08-01), Justice et al.
patent: 3962166 (1976-06-01), Gordon
patent: 3970625 (1976-07-01), Moore et al.
patent: 4025329 (1977-05-01), Goertz
patent: 4304588 (1981-12-01), Moore
patent: 4554005 (1985-11-01), Hawkins
patent: 4578105 (1986-03-01), Moore
patent: 4599102 (1986-07-01), Hawkins
patent: 4603191 (1986-07-01), Kong
patent: 4610715 (1986-09-01), Monaldi
patent: 4776879 (1988-10-01), Hawkins et al.
patent: 4778510 (1988-10-01), Hawkins
patent: 4968773 (1990-11-01), Whiteside
patent: 5266097 (1993-11-01), Moore
patent: 5362842 (1994-11-01), Graves et al.
Acquah Samuel A.
Georgia-Pacific Resins Inc.
LandOfFree
Urea-formaldehyde resin composition and method of preparation th does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Urea-formaldehyde resin composition and method of preparation th, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Urea-formaldehyde resin composition and method of preparation th will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2358198