Homopolymers and copolymers of vinyl ethers of polyalkylpiperidi

Details Homopolymers and copolymers of vinyl ethers of polyalkylpiperidi Homopolymers and copolymers of vinyl ethers of polyalkylpiperidi

1980-02-04

1982-01-19

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

525123, 525203, 546216, 546221, 546242, C08F 1614

Patent

active

043118208

ABSTRACT:
Homopolymers and copolymers of vinyl ethers of the formula I ##STR1## in which R is hydrogen or methyl and R.sup.1 is hydrogen, C.sub.1 -C.sub.8 -alkyl, benzyl, allyl or C.sub.1 -C.sub.2 -acyl, are effective stabilizers for plastics, especially to protect them against photochemical degradation. The monomeric vinyl ethers of the formula I are novel compounds, which can be prepared from the corresponding piperidinols by vinylation by means of acetylene or by transvinylation by means of vinyl ethers or vinyl esters.

REFERENCES:
patent: 3640928 (1972-02-01), Murayama et al.
patent: 3984371 (1976-10-01), Murayama et al.
patent: 4014887 (1977-03-01), Randell et al.
patent: 4046737 (1977-09-01), Holt et al.
W. Reppe, Annalen d. Chemie 601, 81-111 (1956).

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