Halogenated ethylene random copolymer

Details Halogenated ethylene random copolymer Halogenated ethylene random copolymer

C - Chemistry, Metallurgy

08

F

402/593, 260/663

C08F 214/14 (2006.01) C08F 8/22 (2006.01)

Patent

CA 1254237

HALOGENATED ETHYLENE RANDOM COPOLYMER ABSTRACT OF THE DISCLOSURE A halogenated product of a low-molecular weight ethylene random copolymer comprising ethylene and at least one alpha-olefin having 3 to 20 carbon atoms, wherein: (i) the starting low-molecular weight ethylene random copolymer contains 30% to 75% by mole of the ethylene component and 25% to 70% by mole of the alpha- olefin component; (ii) the halogen content of the halogenated product is 5% to 75% by weight; (iii) the intrinsic viscosity [n] of the halogenated product is 0.01 to 0.5 dl/g determined at 135°C in decalin; (iv) the molecular weight distribution Mw/Mn of the halogenated product, wherein Mw and Mn represent a weight-average molecular weight and a number-average molecular weight, respectively, determined by gel permeation chromatography is 5 or less; and (v) the number-average molecular weight of the halogenated product is 300 to 10000, determined by gel permeation chromatography. This halogenated ethylene random copolymer has an excellent solubility in solvents and excellent compatibil- ity to various kinds of resins and lubricating oils. Espe- cially, the halogenated ethylene random copolymer is suit- able for use as a modifier for halogen-containing polymer such as polyvinyl chloride and polyvinylidene chloride, a compounding agent for, for example, a lubricating oil, a paint composition, an ink composition, an adhesive, a tackifier, and a thickening agent, and a flame retardant.

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