| http://www.w3.org/ns/prov#value | - The second method of carrying out uniform dissolution of the composition containing a thermoplastic resin and a plasticizer is a method comprising mixing and dispersing a plasticizer in a resin beforehand using a churning equipment such as a Henschel mixer and feeding the resultant composition into a continuous resin blending machine such as an extruder and carrying out melt-blending to obtain a u
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