Direct production of polymorph III of isotactic polybutene-1

Details Direct production of polymorph III of isotactic polybutene-1 Direct production of polymorph III of isotactic polybutene-1

1974-04-24

1978-08-29

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526159, 5263486, C08F 206, C08F 1008

Patent

active

041105249

ABSTRACT:
High bulk density modification III of isotactic polybutene-1 is directly prepared by polymerizing butene-1 at 100.degree.-200.degree. C, preferably 140.degree.-160.degree. C., with a catalyst of: (a) titanium trichloride and (b) an alkyl aluminum compound.

REFERENCES:
patent: 3027360 (1962-03-01), Raum
patent: 3385817 (1968-05-01), Jones
patent: 3461110 (1969-08-01), Rice et al.
Boon et al., Polymer Letters, vol. 2, pp. 903-907 (1964).

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