Linear Low-density Polyethylene (LLDPE)

Linear Low-density Polyethylene (LLDPE)

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IUPAC Name
HS Code
39011010
Formula
H(CH2CH2)nH
Appearance
-
CAS No
9002-88-4
Common Names
Linear Low-density Polyethylene, (LLDPE)
Packaging
-
Category
  • Polymer
  • Polyolefins
  • Thermoplastics
Sub Category
  • Others

LLDPE is produced by polymerization of ethylene (or ethane monomer) with 1-butene and smaller amounts of 1-hexene and 1-octene, using Ziegler-Natta or metallocene catalysts. It is structurally similar to LDPE.

The structure of LLDPE has a linear backbone with short, uniform branches (unlike longer branches of LDPE). These short branches are able slide against each other upon elongation without becoming entangled like LPDE.

In the present day scenario, Linear low density polyethylene (LLDPE) has been quite successful in replacing Low Density Polyethylene.

Properties of LLDPE

Very flexible with high impact strength

Translucent and natural milky color

Excellent for mild and strong buffers, good chemical resistance

Good water vapor and alcohol barrier properties

Good stress crack and impact resistance

To make puncture, tear, and high impact resistant in toys, marine, housewares, automotive, construction, agriculture, and packaging industries.

To make Houseware, lid, bottle closures, masterbatch, powder coating, and toys industries.

Suitable for a variety of film application such as general purpose film, stretch film, garment packaging, agricultural film, etc.