US2004030095A1PendingUtilityA1

Poly(trimethylene-ethylene ether) glycols

47
Priority: Aug 9, 2002Filed: Jul 17, 2003Published: Feb 12, 2004
Est. expiryAug 9, 2022(expired)· nominal 20-yr term from priority
Inventors:Hari Babu SunkaraHiep Do
C08G 81/024C08G 65/04C08G 71/00C08G 65/34C08L 71/00C08G 2261/134C08G 18/48C08G 18/10Y10T428/2915Y10T428/2913
47
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Claims

Abstract

A poly(trimethylene-ethylene ether) glycol is disclosed. The poly(trimethylene-ethylene ether) glycol is, preferably, prepared by the polycondensation of 1,3-propanediol reactant and ethylene glycol reactant. The composition is preferably used in breathable membranes, synthetic lubricants, hydraulic fluids, cutting oils, motor oils, surfactants, spin-finishes, water-borne coatings, laminates, adhesives, packaging, films and foams, fibers and fabrics.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A poly(trimethylene-ethylene ether) glycol.  
     
     
         2 . The poly(trimethylene-ethylene ether) glycol as claimed in  claim 1 , prepared by the polycondensation of 1,3-propanediol reactant and ethylene glycol reactant.  
     
     
         3 . The poly(trimethylene-ethylene ether) glycol as claimed in  claim 2 , wherein the polycondensation is carried out with an acid polycondensation catalyst.  
     
     
         4 . The poly(trimethylene-ethylene ether) glycol as in  claim 3 , wherein the polycondensation catalyst is homogeneous.  
     
     
         5 . The poly(trimethylene-ethylene ether) glycol as in  claim 4 , wherein the polycondensation catalyst comprises sulfuric acid.  
     
     
         6 . The poly(trimethylene-ethylene ether) glycol as claimed in  claim 1 , prepared by acid catalyzed polycondensation of 1,3-propanediol and ethylene glycol.  
     
     
         7 . The poly(trimethylene-ethylene ether) glycol as claimed in  claim 5 , prepared by acid catalyzed polycondensation of 1,3-propanediol and ethylene glycol.  
     
     
         8 . The poly(trimethylene-ethylene ether) glycol as claimed in  claim 1 , prepared by acid catalyzed polycondensation of about 50 to about 99 mole % 1,3-propanediol and about 50 to about 1 mole % ethylene glycol.  
     
     
         9 . The poly(trimethylene-ethylene ether) glycol as claimed in  claim 1 , prepared by acid catalyzed polycondensation of about 60 to about 98 mole % 1,3-propanediol and about 40 to about 2 mole % ethylene glycol.  
     
     
         10 . The poly(trimethylene-ethylene ether) glycol as claimed in  claim 1 , prepared by acid catalyzed polycondensation of about 70 to about 98 mole % 1,3-propanediol and about 30 to about 2 mole % ethylene glycol.  
     
     
         11 . The poly(trimethylene-ethylene ether) glycol of  claim 2 , wherein the 1,3-propanediol reactant is selected from the group consisting of 1,3-propanediol, and oligomers of 1,3-propanediol having a degree of polymerization of 2 to 3, and mixtures thereof.  
     
     
         12 . The poly(trimethylene-ethylene ether) glycol of  claim 7 , wherein the 1,3-propanediol reactant is selected from the group consisting of 1,3-propanediol, and oligomers of 1,3-propanediol having a degree of polymerization of 2 to 3, and mixtures thereof.  
     
     
         13 . The poly(trimethylene-ethylene ether) glycol of  claim 2 , wherein the ethylene glycol reactant is selected from the group consisting of ethylene glycol, and oligomers of ethylene glycol having a degree of polymerization of 3 to 4, and mixtures thereof.  
     
     
         14 . The poly(trimethylene-ethylene ether) glycol of  claim 2 , wherein the ethylene glycol reactant is selected from the group consisting of ethylene glycol, and oligomers of ethylene glycol having a degree of polymerization of 3 to 4, and mixtures thereof.  
     
     
         15 . The poly(trimethylene-ethylene ether) glycol of  claim 11 , wherein the ethylene glycol reactant is selected from the group consisting of ethylene glycol, and oligomers of ethylene glycol having a degree of polymerization of 3 to 4, and mixtures thereof.  
     
     
         16 . The poly(trimethylene-ethylene ether) glycol of  claim 2 , wherein the 1,3-propanediol reactant is 1,3-propanediol.  
     
     
         17 . The poly(trimethylene-ethylene ether) glycol of  claim 16 , the 1,3-propanediol is derived from either a petrochemical or a renewable source.  
     
     
         18 . The poly(trimethylene-ethylene ether) glycol of  claim 2 , wherein the ethylene glycol reactant is ethylene glycol.  
     
     
         19 . The poly(trimethylene-ethylene ether) glycol of  claim 16 , wherein the ethylene glycol reactant is ethylene glycol.  
     
     
         20 . The poly(trimethylene-ethylene ether) glycol of  claim 1 , having a number average molecular weight (Mn) of 250 to about 10,000.  
     
     
         21 . The poly(trimethylene-ethylene ether) glycol of  claim 1 , having a number average molecular weight (Mn) of at least about 1,000 to about 5,000.  
     
     
         22 . A poly(trimethylene-ethylene ether) glycol as claimed in  claim 1 , prepared by a process comprising the steps of: 
 (a) providing (1) 1,3-propanediol reactant, (2) ethylene glycol reactant and (3) and acid polycondensation catalyst; and    (b) polycondensing the 1,3-propanediol and ethylene glycol reactants in the presence of the acid polycondensation catalyst to form poly(trimethylene-ethylene ether) glycol.    
     
     
         23 . A poly(trimethylene-ethylene ether) glycol as claimed in  claim 1 , prepared by a continuous process comprising: 
 (a) continuously providing (i) 1,3-propanediol reactant, (ii) ethylene glycol reactant and (iii) acid polycondensation catalyst; and    (b) continuously polycondensing the 1,3-propanediol and ethylene glycol reactants in the presence of the acid polycondensation catalyst to form poly(trimethylene-ethylene ether) glycol.    
     
     
         24 . A poly(trimethylene-ethylene ether) glycol as claimed in  claim 1 , prepared by a semi-continuous process comprising the steps of: 
 (a) batch polycondensing 1,3-propanediol reactant in the presence of acid polycondensation catalyst; and    (b) adding ethylene glycol reactant to the batch polycondensing over time.    
     
     
         25 . A process comprising: 
 (a) providing (1) 1,3-propanediol reactant, (2) ethylene glycol reactant and (3) and acid polycondensation catalyst; and    (b) polycondensing the 1,3-propanediol and ethylene glycol reactants in the presence of the acid polycondensation catalyst to form poly(trimethylene-ethylene ether) glycol.    
     
     
         26 . A process comprising: 
 (a) continuously providing (i) 1,3-propanediol reactant, (ii) ethylene glycol reactant and (iii) acid polycondensation catalyst; and    (b) continuously polycondensing the 1,3-propanediol and ethylene glycol reactants in the presence of the acid polycondensation catalyst to form poly(trimethylene-ethylene ether) glycol.    
     
     
         27 . A process comprising: 
 (a) batch polycondensing 1,3-propanediol reactant in the presence of acid polycondensation catalyst; and    (b) adding ethylene glycol reactant to the batch polycondensing over time.    
     
     
         28 . A composition comprising poly(trimethylene-ethylene ether) glycol and additive.  
     
     
         29 . The composition of  claim 28 , wherein the additive comprises at least one each of at least one of delustrant, colorant, stabilizer, filler, flame retardant, pigment, antimicrobial agent, antistatic agent, optical brightener, extender, processing aid, viscosity booster and mixtures thereof.  
     
     
         30 . The composition of  claim 1 , used in at least one of breathable membranes, synthetic lubricants, hydraulic fluids, cutting oils, motor oils, surfactants, spin-finishes, water-borne coatings, laminates, adhesives, packaging, films and foams, fibers and fabrics.  
     
     
         31 . The composition of  claim 1 , which is a block copolymer of polyethylene oxide and polytrimethylene oxide.  
     
     
         32 . The composition of  claim 31 , having a molecular weight of at least about 1,000.  
     
     
         33 . The composition of  claim 31 , having a molecular weight of at least about 5,000.  
     
     
         34 . The composition of  claim 31 , having a molecular weight of up to about 20,000.  
     
     
         35 . The composition of  claim 32 , having a molecular weight of up to about 20,000.  
     
     
         36 . The composition of  claim 31 , having a molecular weight up to about 10,000.  
     
     
         37 . The composition of  claim 31 , wherein the weight % of polyethylene glycol is at least about 10%, based on the total amount of polyethylene glycol and polytrimethylene glycol.  
     
     
         38 . The composition of  claim 37 , wherein the weight % of polyethylene glycol is up to about 70%, based on the total amount of polyethylene glycol and polytrimethylene glycol.  
     
     
         39 . The composition of  claim 31 , used in at least one of breathable membranes, lubricants, surfactants, spin-finishes, water-borne coatings, laminates, adhesives, packaging, films and foams.

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