Curable compositions and membranes
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United States of America Patent
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Jun 13, 2017
Grant Date -
Oct 15, 2015
app pub date -
Jul 5, 2012
filing date -
Jul 19, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A membrane obtainable from curing a composition comprising: (i) a curable compound comprising at least two (meth)acrylic groups and a sulphonic acid group and having a molecular weight which satisfies the equation: MW<(300+300n) wherein: MW is the molecular weight of the said curable compound; and n has a value of 1, 2, 3 or 4 and is the number of sulphonic acid groups present in the said curable compound; and optionally (ii) a curable compound having one ethylenically unsaturated group; wherein the molar fraction of curable compounds comprising at least two (meth)acrylic groups, relative to the total number of moles of curable compounds present in the composition, is at least 0.25.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- B03C:MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATE....
- C25B:ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE ....
- C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
- H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....
- B01D:SEPARATION
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