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Amatrium Materials AI
Dow Bynel® 4140 Anhydride Modified LLDPE
Categories: Polymer; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE)

Material Notes: BYNEL® Series 4100 resins are anhydride-modified, linear low-density polyethylene (LLDPE) resins. All 4100 series resins are available in pellet form for use in conventional extrusion and coextrusion equipment designed to process polyethylene (PE) resin. BYNEL 4140 is a grade with a higher level of anhydride modification, and is mainly intended for use as a component in a blend with other polyolefin resins. It is not intended for extrusion in its pure form in typical extrusions or coextrusions.

Physical properties of BYNEL Series 4100 resins are typical of linear low-density polyethylene resins with similar density and melt index values. Use of these adhesive resins in coextruded PE/barrier structures offers improved thermal resistance over that of ethylene vinyl acetate-based adhesive resins.

BYNEL 4100 series resins adhere to a variety of materials. They are most often used to adhere to EVOH, polyamide, PE and ethylene copolymers. Series 4100 resins can be used in coextrusion processes including:

  • blown film
  • cast film/sheet
  • blow molding
  • melt and solid phase thermoforming
  • sheet and tubing

LLDPE resins are known for their temperature resistance, clarity and toughness. These physical properties make the 4100 series resins work well in applications such as:

  • boil-in-bag structures
  • blow molded containers in which drop strength is important
  • bag-in-box films
  • film where LLDPE is the heat seal layer.

BYNEL 4140 resin conforms with the Code of Federal Regulations, Title 21, Paragraph 175.105, covering the use of adhesive interlayers in composite packages for food use. This regulation describes adhesives which may be safely used as components of articles intended for use in packaging, transporting or holding food. This regulation requires that either (1) the adhesive is separated from the food by a functional barrier, or (2) the quantity of adhesive which contacts fatty or aqueous foods does not exceed the trace amounts at the seams or edges. Customers should satisfy themselves that the food contact material is serving as a functional barrier to the adhesive.

This former DuPont product line is now a Dow product line.

Vendors:
Available Properties
  • Density, ASTM D792, ISO 1183
  • Melt Flow, ASTM D1238, ISO 1133
  • Melting Point, ASTM D3418, Freezing Point
  • Melting Point, ASTM D3418, ISO 3146
  • Vicat Softening Point, ASTM D1525, ISO 306
  • Processing Temperature
  • Feed Temperature, CoExtrusion with EVOH Processing
  • Feed Temperature, CoExtrusion with Nylon Processing
  • Zone 2, CoExtrusion with EVOH Processing
  • Zone 2, CoExtrusion with Nylon Processing
  • Zone 3, CoExtrusion with EVOH Processing
  • Zone 3, CoExtrusion with Nylon Processing
  • Zone 4, CoExtrusion with EVOH Processing
  • Zone 4, CoExtrusion with Nylon Processing
  • Zone 5, CoExtrusion with EVOH Processing
  • Zone 5, CoExtrusion with Nylon Processing
  • Adapter Temperature, CoExtrusion with EVOH Processing
  • Adapter Temperature, CoExtrusion with Nylon Processing
  • Die Temperature, CoExtrusion with EVOH Processing
  • Die Temperature, CoExtrusion with Nylon Processing
  • Melt Temperature, CoExtrusion with EVOH Processing
  • Melt Temperature, CoExtrusion with Nylon Processing
  
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Manufacturer Notes:
Dow Chemical (former DuPont)

Category Notes
Plastic

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