Wood adhesives

Details Wood adhesives Wood adhesives

2006-06-06

2006-06-06

Yao, Sam Chuan (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S331700, C524S589000

Reexamination Certificate

active

07056415

ABSTRACT:
The present invention relates to a process for bonding two or more wood substrates by using as the adhesive isocyanate-terminated prepolymers having an isocyanate content of 8 to 20 wt. % and containing the reaction product of a) at least one organic polyisocyanate with b) at least one organic polyhydroxyl compound containing the reaction products of i) organic polyisocyanates with ii) polyamines, hydrazines and/or hydrazides having primary and/or secondary amino groups dispersed in a iii) polyethers having at least two hydroxyl groups and a number average molecular weight of 500 to 12,000; and, the present invention also relates to the bonded substrates obtained by this process.

REFERENCES:
patent: 4193832 (1980-03-01), Reischl et al.
patent: 4389519 (1983-06-01), Yamazaki et al.
patent: 4515646 (1985-05-01), Walker et al.
patent: 4535121 (1985-08-01), Oezelli et al.
patent: 5349040 (1994-09-01), Trinks et al.
patent: 5384385 (1995-01-01), Trinks et al.
patent: 5700891 (1997-12-01), Huver et al.
patent: 5852103 (1998-12-01), Bhat
patent: 5880167 (1999-03-01), Krebs et al.
patent: 6133398 (2000-10-01), Bhat et al.
patent: 0 443 157 (1991-08-01), None
patent: 0 879 270 (1998-11-01), None
patent: 1453258 (1976-10-01), None

Affiliated with

Also associated with

Rating

Wood adhesives does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Wood adhesives, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wood adhesives will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3618004