Method of purifying 1,3-bis(3-aminopropyl)-1,1,3,3-tetraorganodi

Details Method of purifying 1,3-bis(3-aminopropyl)-1,1,3,3-tetraorganodi Method of purifying 1,3-bis(3-aminopropyl)-1,1,3,3-tetraorganodi

1996-07-31

1999-01-19

Cain, Edward J.

Distillation: processes, separatory

With disparate physical separation

Utilizing removing solid from liquid

B01D 900

Patent

active

058610855

ABSTRACT:
A method of purifying 1,3-bis(3-aminopropyl)-1,1,3,3-tetraorganodisiloxane represented by the formula (I) as described hereinbefore, which comprises recrystallizing a crude product of the compound as its acid addition salt, and then neutralizing the acid addition salt to obtain a purified product of the compound. According to the method of the present invention, the compound of the formula (I) can be purified at high purity in high yield, and the purification treatment can be industrially conducted.

REFERENCES:
Siloxanmodifizierte Polypyromellitimide, Kuckertz, Die Makromolekulare Chemie 98 (1966), 1996.
Search Report, UK Patent Office, dated Nov. 5, 1996, 4 pages.
Chem. Abs. 66:2860 and Makromol. Chem., 98, 101-8 (1966), H. Kuckertz, "Siloxane-modified polypyromellitimides", 1 page.

Affiliated with

Also associated with

Rating

Method of purifying 1,3-bis(3-aminopropyl)-1,1,3,3-tetraorganodi does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of purifying 1,3-bis(3-aminopropyl)-1,1,3,3-tetraorganodi, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of purifying 1,3-bis(3-aminopropyl)-1,1,3,3-tetraorganodi will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1244427