Recycled plastic composite composition

Abstract

A formulation for a recycled plastic, composite composition, and a method of making the composite composition, is provided. The composite composition includes recycled EVA plastic from 30% to 80%, a stone powder from 20% to 70%; percentages by weight.

What is claimed is: 
     
         1 . A recycled plastic composite composition, comprising:
 a recycled plastic;   a heavy calcium carbonate;   wherein the recycled plastic is present in an amount 30% to 80% by weight based on weight of the composition; and   wherein the heavy calcium carbonate is present in an amount from 20% to 70% by weight based on weight of the composition.   
     
     
         2 . The composition of  claim 1  wherein:
 the recycled plastic is present in an amount greater than 70% and less than or equal to 80% by weight based on weight of the composition; and 
 the heavy calcium carbonate is present in an amount greater than 20% and less than or equal to 30% by weight based on weight of the composition. 
 
     
     
         3 . The composition of  claim 1  wherein:
 the recycled plastic is present in an amount greater than 60% and less than or equal to 70% by weight based on weight of the composition; and 
 the heavy calcium carbonate is present in an amount greater than 30% and less than or equal to 40% by weight based on weight of the composition. 
 
     
     
         4 . The composition of  claim 1  wherein:
 the recycled plastic is present in an amount greater than 50% and less than or equal to 60% by weight based on weight of the composition; and 
 the heavy calcium carbonate is present in an amount greater than 40% and less than or equal to 50% by weight based on weight of the composition. 
 
     
     
         5 . The composition of  claim 1  wherein:
 the recycled plastic is present in an amount greater than 40% and less than or equal to 50% by weight based on weight of the composition; and 
 the heavy calcium carbonate is present in an amount greater than 50% and less than or equal to 60% by weight based on weight of the composition. 
 
     
     
         6 . The composition of  claim 1  wherein:
 the recycled plastic is present in an amount greater than 30% and less than or equal to 40% by weight based on weight of the composition; and 
 the heavy calcium carbonate is present in an amount greater than 60% and less than or equal to 70% by weight based on weight of the composition. 
 
     
     
         7 . The composition of  claim 1  wherein the composition further includes talc. 
     
     
         8 . The composition of  claim 1  wherein the composition is heated to become a thick composite. 
     
     
         9 . A method of preparing a recycled plastic composite composition, comprising:
 melting together components, comprising:
 a recycled plastic, wherein the recycled plastic is present in an amount 30% to 80% by weight based on weight of the composition; 
 a heavy calcium carbonate, wherein the heavy calcium carbonate is present in an amount from 20% to 70% by weight based on weight of the composition; 
   to obtain a thick composite; and   molding the thick composite to obtain said recycled plastic composite composition.   
     
     
         10 . The method of  claim 9  wherein;
 the recycled plastic is present in an amount greater than 70% and less than or equal to 80% by weight based on weight of the composition; and 
 the heavy calcium carbonate is present in an amount greater than 20% and less than or equal to 30% by weight based on weight of the composition. 
 
     
     
         11 . The method of  claim 9  wherein:
 the recycled plastic is present in an amount greater than 60% and less than or equal to 70% by weight based on weight of the composition; and 
 the heavy calcium carbonate is present in an amount greater than 30% and less than or equal to 40% by weight based on weight of the composition. 
 
     
     
         12 . The method of  claim 9  wherein:
 the recycled plastic is present in an amount greater than 50% and less than or equal to 60% by weight based on weight of the composition; and 
 the heavy calcium carbonate is present in an amount greater than 40% and less than or equal to 50% by weight based on weight of the composition. 
 
     
     
         13 . The method of  claim 9  wherein:
 the recycled plastic is present in an amount greater than 40% and less than or equal to 50% by weight based on weight of the composition; and 
 the heavy calcium carbonate is present in an amount greater than 50% and less than or equal to 60% by weight based on weight of the composition. 
 
     
     
         14 . The method of  claim 9  wherein:
 the recycled plastic is present in an amount greater than 30% and less than or equal to 40% by weight based on weight of the composition; and 
 the heavy calcium carbonate is present in an amount greater than 60% and less than or equal to 70% by weight based on weight of the composition. 
 
     
     
         15 . The method of  claim 9  wherein the composition further includes talc. 
     
     
         16 . The method of  claim 9  wherein the step of melting together components includes the steps of:
 mixing pellets of the recycled plastic and the heavy calcium carbonate to produce a composite mixture; 
 feeding the composite mixture to a screw melting machine with electric heating; 
 heating the composite mixture to produce a thick composite; and 
 conveying the thick composite to an outlet. 
 
     
     
         17 . The method of  claim 16  wherein the step of molding the thick composite to obtain said recycled plastic composite composition includes the steps of:
 conveying the thick composite to a mold; and 
 cooling the thick composite. 
 
     
     
         18 . The method of  claim 17  wherein the step of cooling the thick composite includes the steps of:
 cooling the thick composite in the mold with the circulation of the cooling water to de-mold the thick composite, 
 demolding the thick composite; and 
 immersing the thick composite in water to be cooled completely. 
 
     
     
         19 . A recycled plastic composite device comprising:
 a recycled plastic composite composition, comprising:
 a recycled plastic; 
 a heavy calcium carbonate; 
 wherein the recycled plastic is present in an amount 30% to 80% by weight based on weight of the composition; and 
 wherein the heavy calcium carbonate is present in an amount from 20% to 70% by weight based on weight of the composition. 
   
     
     
         20 . The recycled plastic composite device of  claim 19  wherein the device is a Flowerpot.