Nylon 6 Chip

The nylon 6 chip has chips with low viscosity, medium viscosity and high viscosity which are used as a Nylon 6 Base. It is universally used for extruding, injection, and film. Hyosung offers a variety of physical properties of products to meet the specific requirements of customers

Features of Nylon Polymer

  • Delivers excellent mechanical characteristics
  • Keeps outstanding formability
  • Provides exceptional chemical resistance and oil resistance
  • Heat and cold resistance

Process Diagram

Process for materials manufacture
Melt caprolactam in solid form. Then add polymerization catalysts and additives to melted caprolactam.
Process for polmerization reaction
Put caprolactam into polymerization tower in sequence for polymerization. The properties are determined according to specific conditions, such as temperature and reaction time in tower. After dispensing polymerized nylon polymer in the form of liquid from tower, cool down quickly and cut into chips.
Extaction process
Residual monomer of approximately 10% exists in polymerized nylon polymer. Dissolve in water for extraction.
Drying process
As filtrated chips contain a significant amount of moisture, they should be subject to the drying process in order to eliminate moisture. There are a batch process, in which extracted chips are put into a dryer to apply heat in a vacuum condition, and a continuous process, in which hot nitrogen gas is continuously applied to the extracted chips.
Process for additive manufacture
For specific applications of nylon 6 polymer, there are processes to manufacture an additive for viscosity adjustment and titanium dioxide to adjust luster.
Recovery process
Residual monomers extracted from the extraction process and polymer (waste) from the spinning operation are converted into pure caprolactam by the de-polymerization, purification and distillation processes.

Applications

  • Textiles
  • Industrial: Tire cord, BCF carpets, fishing nets
  • Film
  • Compounding

Specifications of Major Products

Nylon 6 base polymer for textile
Type UNIT 1011 SD 1011 FD 1011 BRT 1031 BRT Remark
Relative
Viscosity 		  2.53±0.03 2.60±0.03 2.60±0.03 3.46±0.04 H2SO4 96%25℃
Moisture
Content 		WT% 0.05±0.15 0.05±0.15 0.05±0.15 0.05±0.15  
Monomer
Content 		WT% 0.5±0.15 0.5±0.15 0.5±0.15 0.7±0.2%  
Tio2
Content 		WT% 0.3±0.2 1.35-1.65 350±100 none Mn Coated
NH2 END-
Viscosity 		meg/kg about 50 about 43 about 43   at RAW
Chip
Color
Index(YI) 		  below 8.0 below 10.0 below 2.0 below 2.0  
Remarks   Textile Textile Textile fishing net,
Tire cord		  

PACKING ; 750KG NET IN ALUMINIUM FOILED BAG AND 15MTS(20 BAGS) INTO 20FT CONTAINER



Nylon 6 base polymer for textile
Type UNIT 1011 SD 1011 FD 1011 BRT 1031 BRT Remark
Relative
Viscosity 		  2.45±0.03 2.80±0.03 3.00±0.04 3.40±0.04 H2SO4 96%25℃
Moisture
Content 		WT% 0.05±0.15 0.05±0.15 0.05±0.15 0.05±0.15  
Monomer
Content 		WT% 0.5±0.15 0.5±0.15 0.5±0.15 0.7±0.2%  
Tio2
Content 		WT% none none none none  
Color
Index(YI) 		  below 2.0 below 2.0 below 2.0 below 2.0  

PACKING ; 750KG NET IN ALUMINIUM FOILED BAG AND 15MTS(20 BAGS) INTO 20FT CONTAINER

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