Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1991-06-21
1992-06-30
Seidleck, James J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
524457, 526202, 526220, 525123, 525125, C08F28304, C08F 220
Patent
active
051264110
ABSTRACT:
Organic dispersion polymers based on ethylenically unsaturated, polymerizable or copolymerizable monomers which are prepared in the presence of protective colloids or of protective colloids and emulsifiers by emulsion, suspension or bead polymerization or copolymerization, initiated by free radicals, in an aqueous medium and are present in aqueous dispersion form or in finely dispersed dry powder form and which contain, as protective colloids, preferably 0.01 to 20% by weight, based on the dispersion polymer, of water-soluble graft polymers containing vinyl alcohol units on a polyurethane grafting base, the polyurethane grafting bases containing at least 2 urethane groups in the molecule and units of diisocyanates and if appropriate small amounts of monofunctional isocyanates, as well as units of diols and/or half-esterified or half-etherified diol radicals, and polymer radicals or polymeric chains comprising units of carboxylic acid vinyl esters having 3 to 20 carbon atoms and/or hydrolysis products thereof and if appropriate units of other ethylenically unsaturated, polymerizable and if appropriate hydrolyzable and if appropriate copolymerized monomers and/or hydrolysis products thereof being grafted onto the polyurethane grafting bases, the amount of vinyl alcohol units in the water-soluble graft polymers being at least 20% by weight, based on the water-soluble graft polymer, and the degree of hydrolysis of the monomer units originally grafted onto the polyurethane grafting base being at least 50 mol %.
Huth Hans-Ulrich
Kroggel Matthias
Rauterkus Karl J.
Hamilton, III Thomas
Hoechst AG
Seidleck James J.
LandOfFree
Organic dispersion polymers based on ethylenically unsaturated m does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Organic dispersion polymers based on ethylenically unsaturated m, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Organic dispersion polymers based on ethylenically unsaturated m will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1864410