The invention relates to an energy efficient, fast and environmentally favourable process for the preparation of chlorinated butyl rubbers, that uses hypochlorous acid (HOCl) and/or dichlorine monoxide (Cl.sub.2O) as halogenating agent. The process comprises reacting a copolymer with hypochlorous acid and/or dichlorine oxide. The copolymer comprises units derived from an isoolefin monomer and units derived from a multiolefin monomer. A preferred isoolefin is isobutene and a preferred multiolefin is isoprene.

The invention relates to an energy efficient, fast and environmentally favourable process for the preparation of chlorinated butyl rubbers, that uses hypochlorous acid (HOCl) and/or dichlorine monoxide (Cl.sub.2O) as halogenating agent. The process comprises reacting a copolymer with hypochlorous acid and/or dichlorine oxide. The copolymer comprises units derived from an isoolefin monomer and units derived from a multiolefin monomer. A preferred isoolefin is isobutene and a preferred multiolefin is isoprene.

There are provided a polyethylene capable of improving tensile strength while maintaining excellent processability and Mooney viscosity characteristics when preparing a chlorinated polyethylene compound by implementing a molecular structure having a low content of low molecular weight and a high content of high molecular weight, and a chlorinated polyethylene prepared using the same.

There are provided a polyethylene capable of improving tensile strength while maintaining excellent processability and Mooney viscosity characteristics when preparing a chlorinated polyethylene compound by implementing a molecular structure having a low content of low molecular weight and a high content of high molecular weight, and a chlorinated polyethylene prepared using the same.

Provided are a polymer electrolyte and a lithium-ion battery including the polymer electrolyte. A preparation method of a polymer electrolyte includes: (1) dissolving a functional polymer with an organic solvent, and uniformly mixing to obtain a system A, where the functional polymer has a mass ratio of 0.2%-30% in the system A; (2) uniformly mixing the A system, a lithium salt, and a functional additive to obtain a mixed solution; (3) subjecting the mixed solution to in-situ polymerizing to obtain the polymer electrolyte. The polymer electrolyte has better affinity with anions of the lithium salt and relatively high electrical conductivity, and greatly improves the performance of the semi-solid state battery. The semi-solid state battery prepared is based on the existing lithium-ion battery processing technology, has good processing performance and electrochemical performance, and has certain application prospects.

Provided are a polymer electrolyte and a lithium-ion battery including the polymer electrolyte. A preparation method of a polymer electrolyte includes: (1) dissolving a functional polymer with an organic solvent, and uniformly mixing to obtain a system A, where the functional polymer has a mass ratio of 0.2%-30% in the system A; (2) uniformly mixing the A system, a lithium salt, and a functional additive to obtain a mixed solution; (3) subjecting the mixed solution to in-situ polymerizing to obtain the polymer electrolyte. The polymer electrolyte has better affinity with anions of the lithium salt and relatively high electrical conductivity, and greatly improves the performance of the semi-solid state battery. The semi-solid state battery prepared is based on the existing lithium-ion battery processing technology, has good processing performance and electrochemical performance, and has certain application prospects.

Provided are a hybrid supported catalyst which includes two or more kinds of transition metal compounds having the following Chemical Formulas 1 and 2, thereby preparing a polyolefin, particularly, a high-density polyethylene having a molecular structure which is optimized to improve tensile strength of a chlorinated polyolefin compound, and a method of preparing a polyolefin using the same:

##STR00001## wherein all the variables are described herein.

The present invention relates to a primer coating composition including an aqueous polyolefin-based resin (A), an aqueous epoxy resin (B), a hydrophilicized-modified carbodiimide compound (C), and an aqueous polyurethane resin (D), in which the aqueous polyolefin-based resin (A) includes an aqueous polypropylene-based resin having a weight-average molecular weight of 50,000 to 200,000, and the hydrophilicized-modified carbodiimide compound (C) is a hydrophilicized-modified carbodiimide compound (C) having a prescribed structure.

The present invention relates to a primer coating composition including an aqueous polyolefin-based resin (A), an aqueous epoxy resin (B), a hydrophilicized-modified carbodiimide compound (C), and an aqueous polyurethane resin (D), in which the aqueous polyolefin-based resin (A) includes an aqueous polypropylene-based resin having a weight-average molecular weight of 50,000 to 200,000, and the hydrophilicized-modified carbodiimide compound (C) is a hydrophilicized-modified carbodiimide compound (C) having a prescribed structure.

The present invention relates to a primer coating composition including an aqueous polyolefin-based resin (A), an aqueous epoxy resin (B), a hydrophilicized-modified carbodiimide compound (C), and an aqueous polyurethane resin (D), in which the aqueous polyolefin-based resin (A) includes an aqueous polypropylene-based resin having a weight-average molecular weight of 50,000 to 200,000, and the hydrophilicized-modified carbodiimide compound (C) is a hydrophilicized-modified carbodiimide compound (C) having a prescribed structure.