Linear low-density polyethylene (LLDPE)

Is a substantially linear polymer (polyethylene), producing of it is initiated by transition metal catalysts, particularly Ziegler or Philips type of catalyst. With numbers of short branches, commonly made by copolymerization of ethylene .

Polymerization process can be done either in solution phase or in gas phase reactors. Linear low-density polyethylene differs structurally from this product because of the absence of long chain branching. The linearity of LLDPE results by the different manufacturing processes of LLDPE and LDPE. In general, it is produced in lower temperature and pressures by copolymerization of ethylene and such higher alpha-olefins as butane, hexane, or octane. It has higher tensile strength and higher impact resistance than LDPE. The copolymerization process produces an this polymer that has a narrower molecular weight distribution than conventional LDPE and in combination with the linear structure, significantly different rheological properties
It is very flexible and elongates under stress. It can be used to make thinner films.It has good resistance to chemicals. It has good electrical properties. However, it is not as easy to process as LDPE, has lower gloss, and narrower range for heat sealing is .

Linear low-density polyethylene (LLDPE) specification

GRADE

APPLICATION

MFI gr/10min

DENSITY gr/cm3

LL0205 AA

Heavy duty sacks, Mulch films.

Strech film, liners, Geonmembrane

0.5

920

LL0209 AA

Food Grade. Heavy duty sacks, Agricultural films, liners. Produce bags, Strech film

0.9

920

*LL0209 KJ or SR

Food grade. Refuse Sacks. Produce bags, Carrier bags

0.9

921

LL0220 AA

Food Grade. Light and medium duty film. Strech film

2.2

920

*LL0220 KJ

Food Grade. Light and medium duty film.

2.4

921

HD 5218 EA

Housewares. Thin walled food containers. PET bottle base cup

18

952

HD 5226 EA

Housewares. Thin walled food containers. PET bottle base cup.

30

953

HD 6070 EA

Crates. Boxes. Seats. Pallets

8.4

960

HD 6070 UA

Crates. Boxes. Seats. Pallets

8.4

960


*Product with additive