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Recently, a high-performance polyurethane elastomer and its preparation method independently developed by Liming Chemical Research and Design Institute Co.
, Ltd.
won the Silver Award of the 22nd China Patent Award
.
"The patented technical solution breaks the long-term foreign monopoly, and solves the key common problems of high-performance polyurethane materials in the prior art, such as poor rebound, large permanent deformation, poor mechanical and heat resistance, and short service life.
Industrial application value
.
" said Yu Wenjie, deputy general manager of Liming Institute
.
Relevant experts believe that this technology has improved the overall level of domestic polyurethane new materials in the field of construction machinery.
It has the characteristics of cushioning and shock absorption, high-performance sealing, and high-load transportation.
It can be applied to rail transit, new energy (wind power generation), and marine development.
And other fields
.
"This technology has completely independent intellectual property rights and is also a key technology for the polyurethane elastomer series of Liming Institute
.
" Yu Wenjie said
.
"The process conditions of this technology are easy to control, and the technical effect is obvious.
It has been implemented and applied in many products
.
" Yu Wenjie said that when used in the load-bearing wheels of high-speed railway paving machines, it has advantages in load-bearing, heat-resistant, and wear-resistant properties.
It has outstanding performance in terms of performance and other aspects.
It is understood that the technology has achieved industrial-scale applications, mainly used in the production of polyurethane rubber wheels, rubber rollers, seals, seal rings and other products in the fields of high load-bearing, shock-absorbing and high-performance sealing of heavy machinery
.
Since the related products went on the market, they have been widely favored by customers, and the material's advantages such as high load-bearing capacity, long life and high stability have won unanimous praise
.
Using this technology, the Liming Institute has built a 2,000-ton/year polyester polyol production device, a 3,000-ton/year prepolymer production device, and one elastomer product production line, each with a cumulative production of polyurethane prepolymers and system materials, and polyurethane elasticity.
