Polypropylene molding composition having improved surface proper

Details Polypropylene molding composition having improved surface proper Polypropylene molding composition having improved surface proper

1994-09-20

1996-05-07

Michl, Paul R.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525154, 525231, 525232, 524504, 524502, 524503, C08L 2914

Patent

active

055147526

ABSTRACT:
Moldings which have been produced by thermoplastic forming from a polypropylene molding composition which comprises polypropylene or ethylene/propylene copolymers and polyvinyl butyral of the formula ##STR1## have considerable advantages over moldings of a polypropylene molding composition without PVB, since they have a higher surface tension and can therefore be coated, printed on, written on and laminated without problems without further pretreatment of the surface.

REFERENCES:
patent: 5200122 (1993-04-01), Katoh et al.

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