| http://www.w3.org/ns/prov#value | - This measure is however notpreferred for a higher production cost, because it requires additional production equipments, a great deal of water for washing and tremendous labor for the treatment of waste water.To eliminate impurities such as an emulsifier contained in a resin, it has been proposed to change polymerization from emulsion polymerization to bulk or solution polymerization.Japanese Pate
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