Pre-expanded particles of polypropylene resin, process for produ

Details Pre-expanded particles of polypropylene resin, process for produ Pre-expanded particles of polypropylene resin, process for produ

2000-05-18

2000-12-26

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 58, 521134, C08J 9232, C08J 922

Patent

active

061660965

ABSTRACT:
A pre-expanded particle made of a blend of 10 to 90% by weight of a polypropylene resin having a melt index of 6 to 10 g/10 minutes and 90 to 10% by weight of a polypropylene resin having a melt index of 0.5 to 3 g/10 minutes. The melt index of the blend being within the range of 2 to 5 g/10 minutes. The pre-expanded particles can be molded by an in-mold foaming method in a short time without causing sink to give polypropylene resin cellular molded articles having good surface property and good melt adhesion of the particles.

REFERENCES:
patent: 5942551 (1999-08-01), Ichimura
patent: 6034144 (2000-03-01), Shioya et al.
patent: 6040348 (2000-03-01), Delaite et al.
patent: 6077875 (2000-06-01), Sasaki et al.

Affiliated with

Also associated with

Rating

Pre-expanded particles of polypropylene resin, process for produ does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pre-expanded particles of polypropylene resin, process for produ, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pre-expanded particles of polypropylene resin, process for produ will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-995607