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Recently, Wanhua Chemical announced that the company's POE products with independent intellectual property rights have completed the pilot test
.
Wanhua Chemical applied for the invention patent "An olefin polymerization catalyst, an olefin polymerization catalyst composition and a method for preparing polyolefin" in April 2020.
Its self-developed catalyst has high activity and good thermal stability, and is suitable for high temperature solution polymerization preparation Polyolefins, especially polyethylene, ethylene/1-octene copolymers
.
POE - downstream high value-added products of ethylene
POE - downstream high value-added products of ethylenePolyolefin elastomers (POE) are elastomers obtained by random copolymerization of ethylene and α-olefins (such as 1-butene, 1-hexene or 1-octene)
.
POE has replaced many ordinary rubbers and plastics because of its excellent stiffness-toughness balance, good low-temperature toughness, rheological properties and mechanical properties, and is increasingly used in automobiles, hot melt adhesives, cable sheathing materials and other fields
.
The applications of POE mainly include direct modification, graft modification, foam modification and use as a single material
.
POE direct modification is mainly used in the blending modification of PP and PE.
POE direct modification of PP is the most important market application at present, mainly for the fields of auto parts, home appliance shells and masks
.
The application of POE grafting is mainly to toughen and modify PA and polyester polymers
.
The foaming application of POE is mainly to modify EVA, and EVA is blended with POE foam to make the midsole of sports shoes
.
POE is used as a single material and is mainly used in the packaging material of photovoltaic modules - adhesive film
.
In photovoltaic modules, the adhesive film is placed between the module's tempered glass/backsheet and the solar cells to encapsulate and protect the cells
.
Localization is just around the corner
Localization is just around the cornerThe overall performance of POE is excellent.
At present, the global consumption of POE has exceeded 1.
2 million tons, and the production capacity has exceeded 1 million tons.
Only a few foreign companies have mastered the core technology and intellectual property rights of POE production
.
The main producers are Dow, ExxonMobil, Mitsui Chemicals, SNNC (joint venture between SK and SABIC), Borealis Co.
, Ltd.
, and LG Chem.
The specific production capacity is shown in the table below
.
Data source: Current Situation and Research Progress of Polyolefin Elastomers
POP and POE only differ in the content of copolymerized alpha-olefin monomers, resulting in different densities
.
Usually the mass fraction of POE comonomer is greater than 20%, while the mass fraction of POP comonomer is less than 20%, so the density of POP is higher than that of POE
.
POE has good weather resistance and aging resistance, and is mainly used in the field of modification; POP has excellent bonding strength, tear resistance and transparency, and is mainly used in the field of film preparation
.
Domestic POE consumption is increasing year by year, currently all rely on imports, and the market potential is huge.
The POE elastomer key technology industrialization project with a single set of equipment scale reaching 10,000 tons per year is included in the "New Material Key Technology Industrialization Implementation Plan"
.
At present, some domestic enterprises are already actively deploying POE projects
.
Although the localization of POE has a certain foundation, it is still necessary to develop POE core technologies with independent intellectual property rights, especially high-performance catalysts with high activity, high temperature resistance and strong copolymerization ability suitable for homogeneous high-temperature solution polymerization.
Competitiveness in the field of polyolefins
.
