Propylene type resin composition, film made thereof, and laminated resin film
US6624253B2 · kind B2 · utility
9Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2001 |
| Grant date | Sep 23, 2003 |
| Priority date | — |
| Expiry date | Nov 30, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A propylene type resin composition comprising from 95.0 to 99.999 parts by weight of component (A) which is a propylene/&agr;-olefin random copolymer polymerized by a metallocene catalyst, and from 0.001 to 5.0 parts by weight of component (C) which is a polyethylene wax, wherein components (A) and (C) satisfy the following conditions:Component (A): Propylene/&agr;-olefin random copolymer1) Melt index at 230° C.: 2 to 30 g/10 min2) Main melting peak temperature (Tm) obtained by DSC: 110 to 145° C.Component (C): Polyethylene wax1) Density: 0.94 to 0.98 g/cm3 2) Melt viscosity at 140° C.: At least 10 cps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.