ポリ塩化ビニルと塩化ビニール : セチルビニルエテール共重合物との混合物の物理的性質および加工における特性
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The physical properties and characteristics in processing blends of PVC and a copolymer of vinyl chloride and cetyl vinyl ether were studied, and compared with PVC homopolymer. The impact modifier of methyl methacrylate-butadiene-styrene terpolymer gave higher impact strength to the blend than PVC. The impact modifier gave less effect of impact strength on vinyl polymer as the temperature of mixing stock rose. The mixing stock of the blend had less temperature rise due to the lubricant action of the copolymer in the blend. Therefore, it was considered that the effect of the impact modifier on the blend was larger than that on PVC. In injection molding, from the measurements of molding area diagram, the blend had optimum conditions in processing over a wider region than PVC. This was explained by the results that the blend had less pressure loss through injection nozzle and less temperature rise of resin stock due to lubricant action of the component. The draw down of parison in blow molding was measured in case of the blend and PVC. As the temperature of extrudate did not rise, the draw down of the blend was accordingly less than that of PVC.
- 社団法人日本材料学会の論文
- 1970-09-15
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関連論文
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