Method for manufacturing pre-expanded particles of polyolefin re

Details Method for manufacturing pre-expanded particles of polyolefin re Method for manufacturing pre-expanded particles of polyolefin re

1991-11-27

1993-07-20

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By gas forming or expanding

264 53, 521 56, 521 60, B29C 6722

Patent

active

052290492

ABSTRACT:
A method for manufacturing pre-expanded particles of polyolefin resin from strand pellets having Tm in melting temperature measured by DSC method, wherein the expansion ratio E of the pre-expanded particles of the resin, the length l and the average diameter d of the strand pellets after having been heated at a temperature (Tm-5.degree. C.) are in the following relational expression.

REFERENCES:
patent: 4525485 (1985-06-01), Maeda et al.
patent: 4532263 (1985-07-01), Krutchen et al.
patent: 4540718 (1985-09-01), Senda et al.
patent: 4720509 (1988-01-01), Nakamura
patent: 4782098 (1988-11-01), Allen et al.
patent: 4810440 (1989-03-01), Yoshida et al.

Affiliated with

Also associated with

Rating

Method for manufacturing pre-expanded particles of polyolefin re does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for manufacturing pre-expanded particles of polyolefin re, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for manufacturing pre-expanded particles of polyolefin re will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1758502