Hybrid turf

Abstract

A hybrid turf comprising a plurality of synthetic fibers grouped in skeins, each comprising a plurality of filiform elements, is described; characterized in that it comprises a first biodegradable net; said first biodegradable net and/or said filiform elements comprising a polymeric composition comprising a polymer selected from the group consisting of polyhydroxyalkanoate (PHA), copolymer of 1,4-butanediol, succinic acid and adipic acid (PBSA), polybutylene succinate (PBS) or mixtures thereof.

1 . Hybrid turf comprising a plurality of synthetic fibers grouped into skeins, each comprising a plurality of filiform elements;
 characterized in that it comprises a first biodegradable net;
 said first biodegradable net and/or said filiform elements comprising a polymeric composition comprising a polymer selected from the group consisting of polyhydroxyalkanoate (PHA), copolymer of 1,4-butanediol, succinic acid and adipic acid (PBSA), polybutylene succinate (PBS) or mixtures thereof; 
 said first net/or said filiform elements comprising at least one nucleant selected from the group consisting of Boron Nitride, Talc, Hydroxyapatite, Zinc Stearate, Nanocrystalline Cellulose, Montmorillonite nano-clay, Single-wall carbon nanotubes, Multi-wall carbon nanotubes, Cyanuric acid, Fatty acids, Fatty acid esters, Fatty acid amines, Fatty acid metal salts, pentaerythritol, di-pentacrythritol, urea derivatives, sorbitol-based compounds, sodium benzoate and mixtures thereof; 
 said first net and/or said filiform elements comprise at least one functional additive selected from the group consisting of Pentacrythrole tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate), Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, Tris(2,4-di-tert-butylphenyl)phosphite, 1,3,5-Trimethyl-2,4,6-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)benzene, 2,4-Bis[(octylthio)methyl)]-o-cresol, 2,2′-dihydroxy-4,4′-dimethoxy-benzophenone, Ethylene bis(oxyethylene)-bis-(3-(5-tert-butyl-4-hydroxy-m-tolyl)propionate), Octadecyl-[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, 2′,3-Bis[[3-[3,5-di-tert-butyl-4-hydroxyphenyl]propionyl]]propionohydrazide, Beeswax, Carnauba wax, Candelilla wax, Sumac wax (Japanese wax), Berry wax, Paraffin wax, Silicone and its derivatives, and mixtures thereof. 
   
     
     
         2 . Hybrid turf according to  claim 1 , characterized in that said first net comprises at least one copolymer of 1,4-butanediol, succinic acid and adipic acid (PBSA) and polyhydroxyalkanoatc. 
     
     
         3 . Hybrid turf according to  claim 1 , characterized in that said polyhydroxyalkanoate (PHA) is present in an amount by weight to the amount of total polymers. 
     
     
         4 . Hybrid turf according to  claim 1 , characterized in that said polyhydroxyalkanoate (PHA) is present in an amount between 10 and 90% by weight to the total amount of polymers in the polymeric composition. 
     
     
         5 . Hybrid turf according to  claim 1 , characterized in that said first net and/or said filiform elements comprise at least one plasticizer selected from the group consisting of poly(ethylene glycol) (PEG), acetyl-tri-n-butyl citrate (ATBC), isosorbide diester (ISE), sorbitol, glycerol, Acetylated monoglycerides, Epoxidized soybean oil (ESBO), Triethyl citrate (TEC), tri(ethylene glycol)-bis-(2-ethyl hexanoate) (TEG-EH), Tributyl citrate (TBC), 1,3,2,4-dibenzylidene sorbitol, 1,3-p-methylbenzylidene-2,4-benzylidene sorbitol, bis-(stearylureide) hexane, 1,3,2,4-di-(p-methylbenzylidene) sorbitol, 1,3,2,4-dibenzylidene sorbitol, and mixtures thereof. 
     
     
         6 . Hybrid turf according to  claim 1 , characterized in that said first net/or said filiform elements comprise at least 80% by weight to the respective total weight of a polymeric composition comprising a polymer selected from the group consisting of polyhydroxyalkanoate (PHA), copolymer of 1,4-butanediol, succinic acid and adipic acid (PBSA), polybutylene succinate (PBS) or mixtures thereof. 
     
     
         7 . Hybrid turf according to  claim 1 , characterized in that said first net/or said filiform elements comprise at least one nucleant selected from the group consisting of Boron Nitride, Montmorillonite nano-clay, pentaerythritol, di-pentaerythritol, urea derivatives, sorbitol-based compounds, sodium benzoate and mixtures thereof. 
     
     
         8 . Hybrid turf according to  claim 1 , characterized in that said first net and/or said filiform elements comprise at least one functional additive selected from the group consisting of Beeswax, Carnauba wax, Candelilla wax, Sumac wax (Japanese wax). 
     
     
         9 . Hybrid turf according to  claim 1 , characterized in that said first net and/or said filiform elements comprise at least one viscosity modifier and/or compatibilizer selected from the group consisting of DCP dicumyl peroxide, TBPB of tert-Butylperoxybenzoate, Hexamethylene diisocyanate (HMDI), Multi-functionalized styrene-co-glycidyl methacrylate oligomer (Joncryl®), Triglycidyl isocyanurate (TGIC), Benzoyl peroxide (BPO), Methylene diphenyl diisocyanate (MDI). 
     
     
         10 . Hybrid turf according to  claim 1 , characterized in that it comprises a backing element for said plurality of synthetic fibers; said backing element comprising at least one first layer comprising a second net that is made of natural organic material comprising meshes defining a plurality of openings configured so as to allow natural grass to take root therein, and at least one second layer, coupled to said first layer, said second layer comprising said first net. 
     
     
         11 . Hybrid turf according to  claim 1 , comprising a plurality of grass blades ( 15 ) interspersed with said plurality of synthetic fibers. 
     
     
         12 . Hybrid turf according to  claim 10 , characterized in that said second net comprises meshes, each mesh being able to be inscribed in a square with side in the range between 0.2 cm and 2 cm.