Sulfur foam

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Other Related Categories

260 18TW, 260 308R, 260 37N, 260858, 260859R, 521132, 521155, 521157, 521120, C08G 5308, C08J 122

Type

Patent

Status

active

Patent number

041118642

Description

ABSTRACT:
A process for producing sulfur foam containing at least 50 weight percent sulfur, which comprises: (a) reacting molten sulfur with an organic protonic acid which is reactive with molten sulfur so as to incorporate the organic acid with sulfur to form a sulfur-organic acid adduct containing protonic acid groups; (b) mixing an organic surfactant agent with the adduct to obtain a mixture of adduct and surfactant agent; and then (c) reacting the mixture with a polyisocyanate to obtain sulfur foam.

REFERENCES:
patent: 3887504 (1975-06-01), Woo
patent: 3892686 (1975-07-01), Woo
patent: 3954685 (1976-05-01), Woo
patent: 4011179 (1977-03-01), Woo et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

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

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

Rate now

     

Profile ID: LFUS-PAI-O-2094611

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.