Polyolefin plastic compositions comprising meta- or papa-derivat

Details Polyolefin plastic compositions comprising meta- or papa-derivat Polyolefin plastic compositions comprising meta- or papa-derivat

1981-07-29

1983-02-01

Lieberman, Paul

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 58, C08L 2302, C08L 2304, C08L 2318, C08K 506

Patent

active

043716458

ABSTRACT:
A polyolefin plastic composition having improved transparency is provided which comprises a polymer selected from aliphatic polyolefins and copolymers containing at least one aliphatic olefin and one or more ethylenically unsaturated aliphatic comonomers, and a di-acetal of sorbitol in an amount sufficient to improve transparency; said di-acetal of sorbitol having the structure: ##STR1## wherein R, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are selected from hydrogen, lower alkyl, hydroxy, methoxy, mono- and di-alkylamino, nitro and halogen, with the proviso that at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is chlorine or bromine.

REFERENCES:
patent: 3721682 (1973-03-01), Murai et al.
patent: 3880794 (1975-04-01), Iida et al.
patent: 4016118 (1977-04-01), Hamada et al.
patent: 4294747 (1981-10-01), Su
Derwent Abs. 28446 B/15, (Mar. 1979), New Japan Chem., (J54028348).
Derwent Abst. 00705 B/01, (Nov. 1978), Showa, (J63132049).
Derwent Abst. 83081 A/46, (Oct. 1978), New Japan Chem., (J53117044).

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