Acetylated derivatives of castor oil and their blends with epoxidized fatty acid esters
View Patent ↗The present disclosure is directed to acetylated castor components and compositions including the same. The acetylated castor component may be an acetylated castor oil and/or an acetylated castor wax. The acetylated castor component may be blended with an epoxidized fatty acid ester. The present acetylated castor components and blends find advantageous application as a plasticizer.
1. A coated conductor comprising:
a conductor; and
a coating on the conductor, the coating comprising a polymeric resin and a plasticizer composition comprising an acetylated castor component and a second plasticizer comprising an epoxidized fatty acid ester.
2. The coated conductor of claim 1 wherein the acetylated castor component is an acetylated castor oil having a hydroxyl number from 0 to less than 5 as measured in accordance with DIN 53402.
3. The coated conductor of claim 1 wherein the acetylated castor component is an acetylated castor wax having a viscosity less than 2000 m Pa as measured in accordance with ASTM D445 at 25° C.
4. The coated conductor of claim 1 wherein the plasticizer composition comprises less than 70 wt % of the acetylated castor component.
5. The coated conductor of claim 1 wherein the acetylated castor component is selected from the group consisting of acetylated castor oil, acetylated castor wax, and combinations thereof.
6. The coated conductor of claim 1 wherein the second plasticizer comprises an epoxidized soybean oil.
7. The coated conductor of claim 6 wherein the polymeric resin is a vinyl chloride resin.
8. The coated conductor of claim 7 wherein the polymeric resin and the plasticizer composition form a polymeric composition, the polymeric composition comprising from 30 wt % to 70 wt % polyvinyl chloride and from 70 wt % to 30 wt % plasticizer composition.
9. The coated conductor of claim 1 wherein the acetylated castor component has a hydroxyl number from 0 to less than 5.
10. The coated conductor of claim 1 wherein the plasticizer composition has a solution temperature from 140° C. to 200° C.
11. The coated conductor of claim 1 wherein polymeric resin and the plasticizer composition form a polymeric composition, the polymeric composition having a tensile strength retention greater than 70% after 168 hours heat aging at 113° C. as measured in accordance with ASTM D 638.
12. The coated conductor of claim 1 wherein polymeric resin and the plasticizer composition form a polymeric composition, the polymeric composition having a tensile strength retention greater than 70% after 168 hours heat aging at 136° C. as measured in accordance with ASTM D 638.
13. The coated conductor of claim 1 wherein the polymeric resin and the plasticizer composition form a polymeric composition, the polymeric composition having a tensile elongation retention greater than 30% after 168 hours heat aging at 113° C. as measured in accordance with ASTM D 638.
14. The coated conductor of claim 1 wherein the polymeric resin and the plasticizer composition form a polymeric composition, the polymeric composition having a tensile elongation retention greater than 30% after 168 hours heat aging at 136° C. as measured in accordance with ASTM D 638.
15. The coated conductor of claim 1 wherein the coated conductor passes the heat test as measured in accordance with UL-1581.