Fiberglass binder comprising maleinated polyols

Abstract

Provided is a fiberglass binder composition which includes as the essential binding components maleinated polyol[s] and a reactive component selected from the group consisting of alkanolamines, polyols, and monomers containing terminal unsaturation. The resultant binder provides minimal processing difficulties and a fiberglass product which exhibits good water absorption properties.

1 . A fiberglass binder comprising maleinated polyols formed by reaction with maleic anhydride through an esterification reaction and a reactive component selected from the group consisting of alkanolamines, polyols, and monomers containing terminal unsaturation.  
   
   
       2 . The fiberglass binder of  claim 1 , wherein the maleinated polyol is maleinated glyceride.  
   
   
       3 . The fiberglass binder of  claim 2 , wherein the maleinated polyol is the reaction product of hydroxylated or epoxidized monoglycerides and maleic anhydride.  
   
   
       4 . The fiberglass binder of  claim 2 , wherein the maleinated polyol is the reaction product of hydroxylated or epoxidized diglycerides and maleic anhydride.  
   
   
       5 . The fiberglass binder of  claim 1 , wherein the maleinated polyol is the reaction product of a hydroxylated or epoxidized triglycerides and maleic anhydride.  
   
   
       6 . The fiberglass binder of  claim 5 , wherein the triglyceride is a plant or animal oil.  
   
   
       7 . The fiberglass binder of  claim 6 , wherein the oil is selected from the group consisting of linseed oils, soybean oils, rapeseed oils, castor and dehydrated castor oils, coconut oils, peanut oils, canola oils, safflower oils, corn oils, palm and palm kernel oils, sunflower oils, cottonseed oils, rice bran oils, colza oils, and mixtures thereof.  
   
   
       8 . The fiberglass binder of  claim 1 , wherein the reactive component is a polyol selected from the group consisting of polyester polyols, polyurethane polyols, polyether polyols, and mixtures thereof.  
   
   
       9 . The fiberglass binder of  claim 1 , wherein the reactive component is a polyol selected from the group consisting of diethanol amine, triethanol amine, bisphenol-A, ethylene glycol, glycerol, pentaerythritol, trimethylol propane, sorbitol, inisitol, glucose, sucrose, polyvinyl alcohol, starch, resorcinol, catechol, pyrogallol, glycollated ureas, 1,4-cyclohexane diol, and mixtures thereof.  
   
   
       10 . The fiberglass binder of  claim 1 , wherein the reactive component is a monomer containing terminal unsaturation selected from the group consisting of styrene, vinyl toluene, divinylbenzene, lower alkyl (meth)acrylate lower alkyl acrylates, ethylene glycol dimethylacrylate, diacrylated glycols, triacrylated glycols, and mixtures thereof.  
   
   
       11 . The fiberglass binder of  claim 1 , wherein the reactive component is an alkanolamine.  
   
   
       12 . The fiberglass binder of  claim 11 , wherein the reactive component is a lower alkyl (meth)acrylate selected from the group consisting of methyl methacrylate, butyl methacrylate, hydroxyethylmethacrylate, and mixtures thereof.  
   
   
       13 . The fiberglass binder of  claim 1 , wherein the fiberglass binder further comprises a component selected from the group consisting of solvents, emulsifiers, pigments, filler, anti-migration aids, coalescents, wetting agents, biocides, plasticizers, organosilanes, anti-foaming agents, colorants, waxes, suspending agents, fillers, anti-oxidants, and mixtures thereof.  
   
   
       14 . The fiberglass binder of  claim 1 , wherein the binder further comprises a curing agent.  
   
   
       15 . The fiberglass binder of  claim 14 , wherein the curing is a free radical initiator or a photoinitiator.  
   
   
       16 . The fiberglass binder of  claim 15 , wherein the free radical initiator or photoinitiator is selected from the group consisting of benzoyl peroxide, dicumyl peroxide, azoisobutyronitrile, t-butylhydroperoxide, and benzophenone.  
   
   
       17 . The fiberglass binder of  claim 14 , wherein the curing agent is a crosslinking catalyst selected from the group consisting of phosphorus containing catalysts, trethylamine, mineral acids, sulfonic acids, organotitanate compounds, and organotin compounds.  
   
   
       18 . A process for preparing a fiberglass binder comprising maleinating a hydroxylated or epoxidized glyceride and then co-polymerizing the maleinated glyceride with a reactive component selected from the group consisting of alkanolamines, polyols, and monomers containing terminal unsaturation.  
   
   
       19 . The process of  claim 18 , wherein the hydroxylated or epoxidized glyceride is a hydroxylated or epoxidized triglyceride.  
   
   
       20 . The process of  claim 19 , wherein the triglyceride is a plant or animal oil.  
   
   
       21 . The process of  claim 20 , wherein the oil is selected from the group consisting of linseed oil, soybean oil, rapeseed oil, castor oil, coconut oil, palm oil, sunflower oil, and mixtures thereof.  
   
   
       22 . The process of  claim 18 , further comprising applying the binder to a mat of glass fibers.  
   
   
       23 . The process of  claim 22 , wherein the binder is applied neat.  
   
   
       24 . The process of  claim 22 , wherein the binder is applied as an emulsion, suspension, or solution.  
   
   
       25 . A fiberglass product comprising a mat of glass fibers containing the binder of  claim 1 .  
   
   
       26 . The fiberglass product of  claim 25 , wherein the product is building insulation.  
   
   
       27 . A proces for binding fiberglass comprising depositing on a fiberglass product a composition comprising maleinated polyol formed by reaction with maleic anhydride through an esterification reaction and a reactive component selected from the group consisting of alkanolamines, polyols, and manomers containing terminal unsaturation, and curing said composition while present on said fiberglass product to form a binder thereon.  
   
   
       28 . A process according to  claim 27  wherein said fiberglass product is building insulation.