Chlorinated linear ultra low density polyethylene
US4704439A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Mar 11, 1986 |
| Grant date | Nov 3, 1987 |
| Priority date | — |
| Expiry date | Mar 11, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/22
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Chlorinated linear ultra low density polyethylene containing 3-40% by weight of chlorine produced by chlorinating a linear ultra low density polyethylene having the properties (i)-(iv) cited below, said polyethylene being produced by copolymerizing ethylene and an .alpha.-olefin having 3-12 carbon atoms in the presence of a catalyst comprising a solid catalyst component containing at least magnesium and titanium and an organic aluminum compound. ______________________________________ (i) Melt index 0.01-100 g/10 min (ii) Density 0.860-0.910 g/cm.sup.3 (iii) Maximum peak temperature not lower than 100.degree. C. (Tm) by the differential scanning calorimetry (iv) Boiling n-hexane not less than 10% by insolubles weight ______________________________________
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.