Heat-sealable crosslinked oriented polyethylene film and production thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 9, 1993
Grant Date -
N/A
app pub date -
Nov 14, 1989
filing date -
Nov 15, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed are a heat-sealable crosslinked oriented polyethylene film having low-temperature heat sealabilitiy which enables high-speed bag making, improved in antiblocking property and excellent in clarity and moistureproofness, comprising a crosslinked, biaxially oriented high density polyethylene film in which the degree of crosslinking inwardly decreases across the thickness of the film, and a heat sealing layer placed thereon, the heat sealing layer being composed of a tackifier and an ethylene-vinyl acetate copolymer containing an antiblocking agent or composed of 1,2-polybutadiene containing an antiblocking agent, preferably further comprising a heat sealing layer free from an antiblocking agent placed between the biaxially oriented film and the heat sealing layer containing the antiblocking agent, and a process for the production of the same.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully