Olefin-based resin composition
US6462121B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 16, 2001 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Jan 16, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L53/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
There is provided an olefin-based resin composition which may be applied to the coatings of electrical cables used in automobiles. The coatings have neatly balanced properties to satisfy the product requirements, such as wear and flame resistance, tensile strength, flexibility, and heat and freeze resistance. The olefin-based resin composition includes: (i) a polymeric material in an amount of 100 parts by weight which includes: (a) about 50 to 80 parts by weight of propylene polymer portion including at least one propylene polymer; (b) about 1 to 20 parts by weight of polyolefin portion including at least one polyolefin, a proportion of about 0.1 to 10% by weight of which is structurally modified through maleic acid anhydride treatment; and (c) about 10 to 40 parts by weight of olefin-based polymer portion including at least one thermoplastic resin having a melting point of at least about 130° C. and a Shore A hardness of up to about 90; and (ii) about 20 to 300 parts by weight of at least one metal hydroxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.