Glutaraldehyde resin binding system for manufacture of wood prod

Details Glutaraldehyde resin binding system for manufacture of wood prod Glutaraldehyde resin binding system for manufacture of wood prod

1990-08-24

1991-10-22

Buffalow, Edith L.

Stock material or miscellaneous articles

Composite

Of aldehyde or ketone condensation product

428526, 4285371, 204128, 1563313, 1563073, 528264, 528259, B32B 2108

Patent

active

050594885

ABSTRACT:
This invention relates to ethyleneurea-glutaraldehyde resins, urea-ethyleneurea-glutaraldehyde resins, their synthesis, as well as their application as an adhesive for wood panel manufacture. Molar ratio of ethyleneurea to glutaraldehyde can range from 0.3 to 3.5. Urea incorporated into ethyleneurea-glutaraldehyde resin can be high as two times the moles of glutaraldehyde used in the formulation and can be introduced at any stage during the reaction course, simply post added, or any combination of the above.

REFERENCES:
patent: 4220751 (1980-09-01), Peterson et al.
patent: 4395504 (1983-07-01), Salzberg et al.
patent: 4478966 (1984-10-01), Helgesson et al.
patent: 4536245 (1985-08-01), Shiau et al.
patent: 4906726 (1990-03-01), Cumings
patent: 4906727 (1990-03-01), Fischer

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