Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1979-06-13
1980-10-14
Levin, Stanford M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
252429B, 260 336UA, 526139, 526140, 526348, 5263484, 526351, 5263482, C08F 416, C08F 452
Patent
active
042282527
ABSTRACT:
A process for making crystalline polymers or copolymers of alpha-olefins containing 3 to 8 carbon atoms, such as polypropylene, by polymerization with a catalyst consisting of a combination of titanium chloride and an organic aluminum compound, in the presence of a stereospecificity additive.
This stereospecificity additive has the formula:
Ato Chimie
Levin Stanford M.
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