Disposable moldings and polymer compositions for their productio

Details Disposable moldings and polymer compositions for their productio Disposable moldings and polymer compositions for their productio

1990-12-21

1992-06-16

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524296, 524298, 524549, 526270, C08K 513, C08K 512, C08L 3700, C08F13402

Patent

active

051225611

ABSTRACT:
Disposable moldings comprising a polymer (A) having a repeating structure unit in the main chain represented by the formula (I) ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are respectively a hydrogen atom or a lower alkyl, and a polymer composition comprising the polymer (A). The moldings of the present invention disintegrate themselves due to decomposition of the polymer (A) in atmosphere, soil or water and do not cause any environmental pollution.

REFERENCES:
patent: 3723398 (1973-03-01), Dowbenko
Journal of Chemical Society, p. 3766 (1954).
Journal of Polymer Science, vol. 49, p. 287 (1961).
Japanese Patent Unexamined Publication No. 1299/1978.
Nippon Kagaku Kaishi, No. 3, p. 610 (1973).
Polymer Journal, vol. 16, p. 415 (1984).
Polymer Preprints, vol. 24, p. 317 (1983).
Polymer Preprints, vol. 26, p. 253 (1985).
Polymer Preprints, vol. 27, p. 386 (1986).

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