Polyolefin compositions stabilized against UV light radiations w

Details Polyolefin compositions stabilized against UV light radiations w Polyolefin compositions stabilized against UV light radiations w

1980-12-05

1982-03-23

Hoke, V. P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C08K 517

Patent

active

043211909

ABSTRACT:
This invention relates to particular polyolefin compositions which contain, as stabilizers against UV-light radiations, open-chain amine compounds which are hindered in the alpha-position by alkyl radicals, said amine compounds corresponding to the following general formula: ##STR1## wherein R', R", R"', R.sup.IV, R.sup.V and R.sup.VI which can be equal or different, are radicals of aliphatic hydrocarbons with a number of C-atoms variable from 1 to 20, or can be hydrogen atoms, n is an integer variable from 2 to 12, and n' is an integer comprised between 1 and 15.

REFERENCES:
patent: 2514185 (1950-07-01), Eberly
patent: 2994675 (1961-08-01), Howard et al.
patent: 3181971 (1965-05-01), Rayner
patent: 3198763 (1965-08-01), Peterli
patent: 3223695 (1965-12-01), Gallaugher
patent: 3773743 (1973-11-01), Ainsworth et al.

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