| http://www.w3.org/ns/prov#value | - Further, disclosed is a process for producing soft materials having a high transparency in which a metallocene catalyst is used (for example, Japanese Unexamined Patent Application Laid-Open No. 95820/2000), but because a polymer produced in a solution used in the production is completely dissolved, a viscosity of the solution goes up, and a concentration of the polymer in the solution can not be
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