US2005020707A1PendingUtilityA1

Low emission polyurethane polymers made with autocatalytic polyols

Priority: Feb 10, 2000Filed: Jun 4, 2004Published: Jan 27, 2005
Est. expiryFeb 10, 2020(expired)· nominal 20-yr term from priority
C08G 2110/0083C08G 2110/0025C08G 18/632C08G 2110/005C08G 18/6674C08G 18/482C08G 2110/0008C08G 18/4072C08G 18/5024
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Claims

Abstract

The present invention discloses a process for producing a polyurethane product with autocatalytic polyols. These auto-catalytic polyols are based on an initiator of the formula (I): H m A-(CH 2 ) n —N(R)—(CH 2 ) p -AH m where n and p are independently integers from 2 to 6, A at each occurrence is independently oxygen, nitrogen or hydrogen, with the proviso that only one of A can be hydrogen at one time, R is a C 1 to C 3 alkyl group, m is equal to 0 when A is hydrogen, is 1 when A B is oxygen and is 2 when A is nitrogen; or are polyols which contain an alkyl amine of within the polyol chain or a dialkylylamino group pendant to the polyol chain wherein the polyol chain is obtained by copolymerization of at least one monomer containing an alkyl aziridine or N,N-dialkyl glycidylamine with at least one alkylene oxide. These auto-catalytic polyols are reacted with a polyisocyanate in the presence of other additives and/or auxiliary agents known per se to produce polyurethane products.

Claims

exact text as granted — not AI-modified
1 - 29 . (canceled)  
     
     
         30 . An autocatalytic polyol composition that contains from 5 to 100 percent by weight of a polyol obtained by alkoxylation of at least one initiator molecule of formula  
         H m A-(CH 2 ) n —N(R)—(CH 2 ) p -AH m   Formula (I)  
       where 
 n and p are independently integers from 2 to 6,  
 A and at each occurrence is independently oxygen, nitrogen or hydrogen, with the proviso that only one of A can be hydrogen at one time,  
 R is a C 1  to C 3  alkyl group  
 m is equal to 0 when A is hydrogen, is 1 when A B is oxygen and is 2 when A is nitrogen;  
 with the proviso that the initiator is not N-methyl diethanolamine.  
 
     
     
         31 . (canceled)  
     
     
         32 . A prepolymer formed by reaction of an excess of polyol with polyisocyanate to form a polyol terminated prepolymer wherein the polyol is obtained by alkoxylation of at least one initiator molecule of the formula  
         H m A-(CH 2 ) n —N(R)—(CH 2 ) p -AH m   Formula (I)  
       where 
 n and p are independently integers from 2 to 6.  
 A and at each occurrence is independently oxygen nitrogen or hydrogen, with the proviso that only one of A can be hydrogen at one time,  
 R is a C 1  to C 3  alkyl group  
 m is equal to 0 when A is hydrogen, is 1 when A B is oxygen and is 2 when A is nitrogen, or  
 a compound which contains an alkyl amine within the polyol chain or a dialkylamino group pendant to the poyol chain wherein the polyol chain is obtained by copolymerization of at least one monomer containing an alkylaziridine or N,N-dialkyl glycicylamine with at least one alkylene oxide, wherein the alkyl or di-alkyl moiety of the amine is a C 1  to C 3  alkyl.  
 
     
     
         33 . (canceled)  
     
     
         34 . (canceled)  
     
     
         35 . A prepolymer formed by reacting an excess of a polyisocyanate with a polyol to form an isocyanate prepolymer wherein the polyol is obtained by alkoxylation of at least one initiator molecule of the formula  
         H m A-(CH 2 ) n —N(R)—(CH 2 ) p -AH m   Formula (I)  
       where 
 n and p are independently integers from 2 to 6.  
 A and at each occurrence is independently oxygen, nitrogen or hydrogen, with the proviso that only one of A can be hydrogen at one time,  
 R is a C 1  to C 3  alkyl group  
 m is equal to 0 when A is hydrogen, is 1 when A B is oxygen and is 2 when A is nitrogen; or  
 a compound which contains an alkyl amine within the polyol chain or a dialkylamino group pendant to the poyol chain wherein the polyol chain is obtained by copolymerization of at least one monomer containing an alkylaziridine or N,N-dialkyl glycicylamine with at least one alkylene oxide, wherein the alkyl or di-alkyl moiety of the amine is a C 1  to C 3  alkyl.  
 
     
     
         36 . The use of the prepolymer of  claim 32  with a blowing agent to produce a flexible or rigid foam.  
     
     
         37 . The use of the prepolymer of  claim 35  with a blowing agent to produce a flexible or rigid foam.

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