Process for lowering the viscosity of formose or mixtures of for

Details Process for lowering the viscosity of formose or mixtures of for Process for lowering the viscosity of formose or mixtures of for

1978-08-17

1980-02-05

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

127 30, 127 31, 252182, 260921, 521168, 528 72, 528 77, 536117, C08G 1814

Patent

active

041873548

ABSTRACT:
The invention broadly relates to greatly lowering the viscosity of the self-condensation products of formaldehyde (formose) by mixing formose with dialkyl phosphites; trialkyl phosphites and .alpha.-hydroxy- or .alpha.-amino-phosphonic acid esters. These mixtures have the surprising capacity of dissolving large quantities of crystallized sugars. Compounds capable of aminoplast formation may also be advantageously mixed in. These mixtures have the remarkable ability of being used to make flame-resistant, open-celled, highly carbonizing rigid polyurea-polyurethane foams with isocyanate indexes of as low as 45 to 50.

REFERENCES:
patent: 3808159 (1974-04-01), Matalon
Partridge et al., Carbohydrate Research, 24, 1972, pp. 29-44.

Affiliated with

Also associated with

Rating

Process for lowering the viscosity of formose or mixtures of for does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for lowering the viscosity of formose or mixtures of for, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for lowering the viscosity of formose or mixtures of for will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2181047