Polyether polyols, polyol formulation containing them and their

Details Polyether polyols, polyol formulation containing them and their Polyether polyols, polyol formulation containing them and their

1998-10-13

2000-08-22

Gorr, Rachel

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521131, 25218225, 25218226, 528421, 564443, C08G 1848

Patent

active

061073598

ABSTRACT:
Polyol formulations, containing polyether polyols possessing 40 to 80 wt. % of tertiary amino groups and having an OH number of 300 to 500, preferably 350 to 420, obtainable by addition of exclusively propylene oxide to o-toluene diamine, which contain cyclopentane and/or n- and/or i-pentane and/or hydrofluoroalkanes as blowing agent, are used for the manufacture of rigid polyurethane foams by reacting with organic polyisocyanates, optionally further compounds with at least two hydrogen atoms reactive to isocyanates, optionally in the presence of water, and further blowing agents known per se as well as conventional auxiliaries and additives.

REFERENCES:
patent: Re33290 (1990-08-01), Naka et al.
patent: 4904707 (1990-02-01), Lunney
patent: 4970018 (1990-11-01), Lunney
patent: 5260347 (1993-11-01), Krueger et al.
patent: 5461084 (1995-10-01), Doerge
patent: 5583197 (1996-12-01), Harrison et al.

Affiliated with

Also associated with

Rating

Polyether polyols, polyol formulation containing them and their does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polyether polyols, polyol formulation containing them and their , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polyether polyols, polyol formulation containing them and their will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-581765