Nonsegregating blends of glass fibers and polymer pellets

Details Nonsegregating blends of glass fibers and polymer pellets Nonsegregating blends of glass fibers and polymer pellets

1991-04-16

1992-07-21

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523221, 524494, C08K 300, C08L 6700

Patent

active

051323427

ABSTRACT:
A nonsegregating dry blend of 90-30 weight percent of elongated polymer pellets having an aspect ratio, A.sub.p, of about 3-23 and a density of about 0.85-1.5 g/cm.sup.3 with 10-70 weight percent of glass fibers having an aspect ratio, A.sub.g, of 3.7-23, the A.sub.p /A.sub.g ratio being about 0.4-1.6, especially 0.8-1.2, can be fed directly to melt-fabricating equipment without first melt-blending the polymer pellets with the glass fibers and fabricated into articles having a substantially uniform glass content.

REFERENCES:
patent: 3164563 (1965-01-01), Maxwell et al.
patent: 3576782 (1971-04-01), Molbert et al.
patent: 3644271 (1972-02-01), Tulley
patent: 3655850 (1972-04-01), Woodham et al.
patent: 3740371 (1973-06-01), Segal
patent: 3822177 (1974-07-01), Moked
patent: 4037011 (1977-07-01), Hatton et al.

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