Process for preparing modified plastic materials

Details Process for preparing modified plastic materials Process for preparing modified plastic materials

1978-06-13

1980-10-07

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 23XA, 260 23S, 260 285A, 260 336UA, 260 336PQ, 260 4254, 260 4256, 260DIG17, 260DIG21, 525 1, C08K 500, C08K 501, C08K 509

Patent

active

042267501

ABSTRACT:
Two plastics which were heretofore impossible to combine, can be combined with each other if the one to be added is converted to a porodin gel by heating the same at a temperature of at least 180.degree. C. with a substance that does not dissolve the polymer, and then cooling to below 120.degree.. The porodin gel can then be easily admixed with the other plastic material in an amount of 1 to 50% by weight, preferably 5 to 20% by weight based on the weight of the modified plastic material. Examples are the incorporation of polyethylene or polypropylene or polymethyl methacrylate in polyvinyl chloride, or the incorporation of polystyrene in polypropylene, or the incorporation of polymethyl methacrylate in polyethylene.

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patent: 4097554 (1978-06-01), Yui
patent: 4141876 (1979-02-01), Hansen
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