NOVEL COMPATIBILIZER COMPOSITIONS AND BLENDS THEREOF
A compatibilizer composition and thermoplastic blends thereof having improved impact properties and tensile properties are described herein. The compatibilizer composition consists of a non-reactive component and a reactive component selected to improve miscibility of the matrix resin components, as well as improve the physical properties of the resulting thermoplastic blend. Further, a method of improving the physical properties of a thermoplastic blend is described.
1 . A compatibilizer composition for a thermoplastic blend comprising:
at least one reactive component, and
at least one non-reactive component,
wherein the compatibilizer composition is configured to modify a matrix resin comprising a first component with a first solubility parameter and a second component with a second solubility parameter; and the reactive component reactive with the first component and has a reactive component solubility parameter between the first solubility parameter and the second solubility parameter.
2 . The compatibilizer composition according to claim 1 , wherein the at least one reactive component comprises acrylonitrile-styrene-acrylate and maleic anhydride copolymer; acrylonitrile-styrene-acrylate and glycidyl methacrylate copolymer; or a combination thereof.
3 . The compatibilizer composition according to claim 1 , wherein the at least one non-reactive component comprises ethyl methacrylate, ethyl butyl acrylate, a non-reactive silicone-acrylic rubber, or a combination thereof.
4 . The compatibilizer composition according to claim 1 , wherein the at least one reactive component to the at least one non-reactive component has a ratio from 1:2.3 to 2.3:1.
5 . The compatibilizer composition according to claim 1 , wherein the at least one reactive component comprises acrylonitrile-styrene-acrylate and maleic anhydride copolymer and the at least one non-reactive component comprises ethyl methacrylate.
6 . The compatibilizer composition according to claim 1 , wherein the at least one reactive component is acrylonitrile-styrene-acrylate and maleic anhydride copolymer and the non-reactive component is ethyl butyl acrylate.
7 . The compatibilizer composition according to claim 1 , wherein the at least one reactive component comprises acrylonitrile-styrene-acrylate and glycidyl methacrylate copolymer and the at least one non-reactive component comprises ethyl methacrylate.
8 . The compatibilizer composition according to claim 1 , wherein the at least one reactive component comprises acrylonitrile-styrene-acrylate and glycidyl methacrylate copolymer and the at least one non-reactive component comprises ethyl butyl acrylate.
9 . The compatibilizer composition according to claim 1 , wherein the at least one reactive component comprises acrylonitrile-styrene-acrylate and glycidyl methacrylate copolymer and acrylonitrile-styrene-acrylate and maleic anhydride copolymer; and the at least one non-reactive component comprises ethyl methacrylate.
10 . The compatibilizer composition according to claim 1 , wherein the at least one reactive component comprises acrylonitrile-styrene-acrylate and glycidyl methacrylate copolymer and acrylonitrile-styrene-acrylate and maleic anhydride copolymer; and the at least one non-reactive component comprises a non-reactive silicone-acrylic rubber.
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35 . A thermoplastic blend comprising:
a compatibilizer comprised of at least one reactive component and
at least one non-reactive component and
a matrix resin comprising a first component with a first solubility parameter and a second component with a second solubility parameter, wherein the reactive component has a reactive component solubility parameter is between the first solubility parameter and the second solubility parameter.
36 . The thermoplastic blend of claim 35 , wherein the reactive component comprises one or more of acrylonitrile-styrene-acrylate maleic anhydride copolymer and acrylonitrile-styrene-acrylate-glycidyl methacrylate copolymer.
37 . The thermoplastic blend of claim 35 , wherein the non-reactive component comprises one or more of ethyl methacrylate, ethyl butyl acrylate, and a non-reactive silicone-acrylic rubber.
38 . The thermoplastic blend of claim 35 , wherein the reactive component to the non-reactive component is a ratio from 1:2.3 to 2.3:1.
39 . The thermoplastic blend of claim 35 , wherein the non-reactive component is incompatible with the matrix resin.
40 . The thermoplastic blend of claim 39 , wherein the non-reactive component solubility parameter is less than first and second solubility parameter.
41 . The thermoplastic blend of claim 40 , wherein the non-reactive component has a non-reactive component solubility parameter that is greater than 1 different from the solubility parameter of the first and second solubility parameter.
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47 . The thermoplastic blend of claim 35 , wherein the first component comprises polycarbonate and the second component is a polymer selected from one consisting of: acrylonitrile butadiene styrene copolymer; styrene acrylonitrile copolymer; polyethylene terephthalate, polybutylene terephthalate; polyethylene; poly(vinylchloride); polyurethane; poly(methylmethacrylate); acrylonitrile styrene-acrylic copolymer; polystyrene and combination thereof.
48 . The thermoplastic blend of claim 47 , wherein the second component is selected from a polymer consisting of: acrylonitrile butadiene styrene copolymer; styrene acrylonitrile copolymer; acrylonitrile styrene-acrylic copolymer; polystyrene and combination thereof.
49 . The thermoplastic blend according to claim 47 , wherein the matrix resin comprises from 50 weight % to 80 weight % polycarbonate based on the thermoplastic blend's weight.
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