Flame retardant polybutylene succinate (PBS) compounds using a non-halogenated intumescent flame retardant system are disclosed.
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1. A flame retardant polymer compound, comprising: (a) polybutylene succinate;(b) ammonium polyphosphate;(c) melamine cyanurate;(d) mineral filler; and(e) optionally, polytetrafluoroethylene;wherein the mineral filler is a quaternary ammonium salt modified montmorillonite, talc, or a combination the
1. A flame retardant polymer compound, comprising: (a) polybutylene succinate;(b) ammonium polyphosphate;(c) melamine cyanurate;(d) mineral filler; and(e) optionally, polytetrafluoroethylene;wherein the mineral filler is a quaternary ammonium salt modified montmorillonite, talc, or a combination thereof. 2. The compound of claim 1, wherein the compound further comprises epoxy-functional styrene-acrylic oligomer as an optional additive. 3. The compound of claim 1, wherein the compound further comprises adhesion promoters; biocides; anti-fogging agents; anti-static agents; anti-oxidants; foaming agents; dispersants; fillers; smoke suppressants; impact modifiers; initiators; lubricants; colorants; plasticizers; processing aids; release agents; silanes; titanates; and zirconates; slip agents, anti-blocking agents; stabilizers; stearates; ultraviolet light absorbers; viscosity regulators; waxes; catalyst deactivators, and combinations of them. 4. The compound of claim 3, wherein ingredients of the compound have ranges of weight percents of the total compound as listed. IngredientWt. %Polybutylene succinate59-70Ammonium polyphosphate24-30Mineral filler1-5Melamine cyanurate4-5Optional polytetrafluoroethylene 0-0.1. 5. The compound of claim 3, wherein ingredients of the compound have ranges of weight percents of the total compound as listed. IngredientWt. %Polybutylene succinate50-52Ammonium polyphosphate30Mineral filler1-5Melamine cyanurate 5Optional polytetrafluoroethylene 0-0.1Other optional additives 0-7. 6. An article made from the flame retardant polymer compound of claim 1. 7. The article of claim 6 wherein the article is shaped by extrusion, molding, calendering, thermoforming, additive manufacturing for 3-D printing, or other means of shaping into a plastic article usable in an interior or confined space where fire can cause personal injury or property damage. 8. The article of claim 6, wherein the article is shaped by 3-D printing. 9. An article made from the flame retardant polymer compound of claim 2. 10. The article of claim 9 wherein the article is shaped by extrusion, molding, calendering, thermoforming, additive manufacturing for 3-D printing, or other means of shaping into a plastic article usable in an interior or confined space where fire can cause personal injury or property damage. 11. The article of claim 9, wherein the article is shaped by 3-D printing. 12. An article made from the flame retardant polymer compound of claim 3. 13. The article of claim 12 wherein the article is shaped by extrusion, molding, calendering, thermoforming, additive manufacturing for 3-D printing, or other means of shaping into a plastic article usable in an interior or confined space where fire can cause personal injury or property damage. 14. The article of claim 12, wherein the article is shaped by 3-D printing. 15. An article made from the flame retardant polymer compound of claim 4. 16. The article of claim 15 wherein the article is shaped by extrusion, molding, calendering, thermoforming, additive manufacturing for 3-D printing, or other means of shaping into a plastic article usable in an interior or confined space where fire can cause personal injury or property damage. 17. The article of claim 15, wherein the article is shaped by 3-D printing. 18. An article made from the flame retardant polymer compound of claim 5. 19. The article of claim 18 wherein the article is shaped by extrusion, molding, calendering, thermoforming, additive manufacturing for 3-D printing, or other means of shaping into a plastic article usable in an interior or confined space where fire can cause personal injury or property damage. 20. The article of claim 18, wherein the article is shaped by 3-D printing.
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