Patent ID: 6339108
Filing Date: 2002-01-15
Classification: B01D,C08F,C08G,C08L,Y10S

Abstract:
A process for producing an oxygenator membrane, comprising:(a) preparing a low-viscosity to resinous liquid produced by hydrolytic polycondensation of a material comprising at least one compound selected from the group consisting of: (i) a compound of formula I â€ƒwherein R=alkyl, alkenyl, aryl, alkylaryl or arylalkyl comprising between 1 to 15 carbon atoms, further optionally comprising an atom or group selected from the group consisting of oxygen atom, sulfur atom, ester, carbonyl, carboxyl, amido, and amino, R1=alkylene, arylene, arylenealkylene or alkylenearylene comprising between 0 to 15 carbon atoms, further optionally comprising an atom or group selected from the group consisting of oxygen atom, sulfur atom, ester, carbonyl, carboxyl, amido, and amino, R2=alkylene, arylene, arylenealkylene or alkylenearylene comprising between 0 to 15 carbon atoms, further optionally comprising an atom or group selected from the group consisting of oxygen atom, sulfur atom, ester, carbonyl, carboxyl, amido, and amino, R3=hydrogen, R2â€”R1â€”R4â€”SiXxR3âˆ’x, carboxyl, alkyl, alkenyl, aryl, alklaryl or arylalkyl comprising between 1 to 15 carbon atoms, further optionally comprising an atom or group selected from the group consisting of oxygen atom, sulfur atom, ester, carbonyl, carboxyl, amido, and amino, R4=â€”(CHR6â€”CHR6)nâ€”, where n=0 or 1, â€”CHR6â€”CHR6â€”Sâ€”R5â€”, â€”COSâ€”R5â€”, â€”CHR6â€”CHR6â€”NR6â€”R5â€”, â€”Yâ€”CSâ€”NHâ€”R5, â€”Sâ€”R5, â€”Yâ€”COâ€”NHâ€”R5â€”, â€”Câ€”Oâ€”Oâ€”R5â€”, â€”Yâ€”COâ€”C2H3 (COOH)â€”R5, â€”Yâ€”COâ€”C2H3(OH)â€”R5â€” or â€”COâ€”NR6â€”R5â€”, R5=alkylene, arylene, arylenealkylene or alkylenearylene comprising between 1 to 15 carbon atoms, further optionally comprising an atom or group selected from the group consisting of oxygen atom, sulfur atom, ester, carbonyl, carboxyl, amido, and amino, R6=hydrogen, alkyl or aryl having 1 to 10 carbon atoms, R7=hydrogen, alkyl, alkenyl, aryl, alkylaryl or arylalkyl comprising between 1 to 15 carbon atoms, further optionally comprising an atom or group selected from the group consisting of oxygen atom, sulfur atom, ester, carbonyl, carboxyl, amido, and amino, X=hydrogen, halogen, hydroxyl, alkoxy, acyloxy, alkylcarbonyl, alkoxycarbonyl or NRâ€³2, where Râ€³=hydrogen, alkyl or aryl, Y=â€”Oâ€”, â€”Sâ€” or â€”NR6â€”, Z=â€”Oâ€” or (CHR6)mâ€”, where m=1 or 2, a=1, 2 or 3, where b=1 if a=2 or 3, b=1, 2 or 3, where a=1 if b=2 or 3, c=1 to 6, x=1, 2 or 3, where a+x=2, 3 or 4; (ii) a compound of formula II â€ƒwherein B=a straight-chain or branched organic radical having at least one C&boxH;C double bond and 4 to 50 carbon atoms, R=alkyl, alkenyl, aryl, alkylaryl or arylalkyl comprising between 1 to 15 carbon atoms, further optionally comprising an atom or group selected from the group consisting of oxygen atom, sulfur atom, ester, carbonyl, carboxyl, amido, and amino, R3=alkylene, arylene, arylenealkylene or alkylenearylene comprising between 0 to 10 carbon atoms, wherein any of these radicals optionally is interrupted by an atom or group selected from the group consisting of oxygen atom, sulfur atom, and amino group, X=hydrogen, halogen, hydroxyl, alkoxy, acyloxy, alkylcarbonyl, alkoxycarbonyl or NRâ€³2, where Râ€³=hydrogen, alkyl, aryl or alklaryl, A=O, S or NH if d=1 and Z=CO and R1=alkylene, arylene or alkylenearylene comprising between 1 to 10 carbon atoms, wherein any of these radicals optionally is interrupted by an atom or group selected from the group consisting of oxygen atom, sulfur atom, and amino group, and R2=COOH or H, or A=O, S, NH or COO if d=1 and Z=CHRâ€², where Râ€²=H, alkyl, aryl or alkylaryl, and R1=alkylene, arylene or alkylenearylene comprising between 1 to 10 carbon atoms, wherein any or these radicals optionally is interrupted by an atom or group selected from the group consisting of oxygen atom, sulfur atom, and amino group, and R2=OH, or A=O, S, NH or COO if d=0 and R1=alkylene, arylene or alkylenearylene comprising between 1 to 10 carbon atoms, wherein any of these radicals optionally is interrupted by an atom or group selected from the group consisting of oxygen atom, sulfur atom, and amino group, and R2=OH, or A=S if d=1 and Z=CO and R1=N and R2=H, a=1, 2 or 3, b=0, 1 or 2, where a+b=3, c=1, 2, 3 or 4; (iii) a compound of formula III {XaRbSi[(R1A)c]4âˆ’aâˆ’b)}xBâ€ƒâ€ƒ(III) â€ƒwherein A=O, S, PRâ€³, PORâ€³, NHC(O)O or NHC(O)NRâ€³, B=a straight-chain or branched organic radical derived from a compound Bâ€² having at least one (if c=1 and A=NHC(O)O or NHC(O)NRâ€³) or at least two C&boxH;C double bond(s) and 5 to 30 carbon atoms, R=alkyl, alkenyl, aryl, alkylaryl or arylalkyl comprising between 1 to 15 carbon atoms, further optionally comprising an atom or group selected from the group consisting of oxygen atom, sulfur atom, ester, carbonyl, carboxyl, amido, and amino, Râ€²=alkylene, arylene or alkylenearylene, Râ€³=hydrogen, alkyl, aryl or alkylaryl, X=hydrogen, halogen, hydroxyl, alkoxy, acyloxy, alkyl arbonyl, alkoxycarbonyl or NRâ€³2, a=1, 2 or 3, b=0, 1 or 2, c=0 or 1, x=an integer whose maximum value corresponds to the number of double bonds in the compound Bâ€² minus 1, or is equal to the number of double bonds in the compound Bâ€² if c=1 and A is NHC(O)O or NHC(O)NRâ€³, wherein said alkyl and alkenyl radicals optionally are substituted straight-chain, branched or cyclic and comprise 1 to 20 carbon atoms, the aryl optionally is a substituted phenyl, naphthyl or biphenylyl, the alkoxy, acyloxy, alkylcarbonyl, alkoxycarbonyl, alkylaryl, arylalkyl, arylene, alkylene and alkylenearyl radical is a derivative of said alkyl or aryl radical; and(iv) a precondensate derived from a compound shown represented in any of formulae I to III and wherein said hydrolytic polycondensation material further optionally comprises at least one compound selected from the group consisting of:(1) a compound of formula V XaSiR4âˆ’aâ€ƒâ€ƒ(V) â€ƒwherein R=alkyl, alkenyl, aryl, alkylaryl or arylalkyl comprising between 1 to 15 carbon atoms, further optionally comprising an atom or group selected from the group consisting of oxygen atom, sulfur atom, ester, carbonyl, carboxyl, amido, and amino, X=hydrogen, halogen, hydroxyl, alkoxy, acyloxy, alkylcarbonyl, alkoxycarbonyl or NRâ€³2, where Râ€³=hydrogen, alkyl, aryl or alklylaryl, a=1, 2 or 3; and (2) a precondensate derived from a compound of formula V wherein said hydrolytic polycondensation is conducted by adding a substance selected from the group consisting of water, a solvent, and a condensation catalyst, and wherein said molar ratio of the sum of the compound(s) of formulaes I, II, III and IV to the sum of compound(s) of formula V is between 1:0 and 1:20,(b) forming a membrane from the said low-viscosity to resinous liquid, (c) optionally drying the membrane, and (d) curing the membrane by forming an organic network using a process selected from the group consisting of thermal curing, radiation-induced curing and chemically induced curing.