Frosted plastic container and process for producing the same
US5436043A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1993 |
| Grant date | Jul 25, 1995 |
| Priority date | — |
| Expiry date | Dec 22, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31743
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A plastic container made of olefin resins having frosted appearance which gives excellent shade-off, deep and high-grade impression, and a process for producing the same. The process produces a plastic container having the above-mentioned appearance maintaining good reproducibility and excellent moldability. That is, a frosted plastic container wherein at least the outer surface of the plastic container is formed of a blend of plural kinds of olefin resins, one resin (A) forming the layer of said blend exists as a continuous phase, another resin (B) exists as a disperse phase, and the disperse phase which has an aspect ratio (ratio of long diameter/short diameter) of 6 or smaller and in which the grains exist having grain sizes (short diameters) of from 0.3 to 20 .mu.m, has an area percentage of at least 15% or larger relative to the whole sectional area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.