METHOD FOR ABSORBING LIQUIDS INTO SILICONE-CONTAINING POLYMERS
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United States of America
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Jan 23, 2020
app pub date -
Feb 3, 2017
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Feb 3, 2017
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Abstract
The invention relates to a method for absorbing liquids (P) containing compounds (V) selected from water and alkanols, the oxygen content of which in weight percentage is at least 27%, said content being present in the loan of hydroxy groups or hydroxy and ether groups, into a solid silicone-containing polymer (P) which contains at least one siloxane unit of the general formula I (R1b(X)cSiO[4−(b+c)]/2) and no units or at least one unit of the general formula II (R2aSiO4−a)/2), in which R1, R2, x, a, b, and c have the meanings described in claim 1, wherein the liquids (P) are brought into contact with the solid silicone-containing polymer (P).
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