[{"data":1,"prerenderedAt":229},["ShallowReactive",2],{"\u002Farticles\u002Fmaterial\u002Fwhat-is-polypropylene-pp":3},{"id":4,"title":5,"body":6,"category":220,"description":221,"extension":222,"meta":223,"navigation":224,"path":225,"seo":226,"stem":227,"__hash__":228},"content\u002Farticles\u002Fmaterial\u002Fwhat-is-polypropylene-pp.md","「ポリプロピレン（PP）」とは？",{"type":7,"value":8,"toc":211},"minimark",[9,13,17,22,95,98,101,144,147,173,176,200,203],[10,11,5],"h1",{"id":12},"ポリプロピレンppとは",[14,15,16],"p",{},"ポリプロピレン（PP）は、フィルムパッケージ業界において最も頻繁に使われる素材の一つです。透明度が高く、熱にも比較的強いため、食品から日用品まで幅広く採用されています。",[18,19,21],"h2",{"id":20},"ppの代表的な種類イメージ図","PPの代表的な種類（イメージ図）",[23,24,29,29,30,29,29,69,29,89],"svg",{"width":25,"height":26,"viewBox":27,"xmlns":28},"500","250","0 0 500 250","http:\u002F\u002Fwww.w3.org\u002F2000\u002Fsvg","\n  ",[31,32,34,35,34,45,34,55,34,61,29],"g",{"transform":33},"translate(50,50)","\n    ",[36,37],"rect",{"x":38,"y":38,"width":39,"height":40,"fill":41,"stroke":42,"strokeWidth":43,"rx":44},"0","150","100","#e1f5fe","#03a9f4","2","5",[46,47,54],"text",{"x":48,"y":49,"textAnchor":50,"fontSize":51,"fontWeight":52,"fill":53},"75","40","middle","16","bold","#01579b","OPP (延伸PP)",[46,56,60],{"x":48,"y":57,"textAnchor":50,"fontSize":58,"fill":59},"70","12","#0288d1","パリッと硬い・透明",[62,63],"animateTransform",{"attributeName":64,"type":65,"values":66,"dur":67,"repeatCount":68},"transform","translate","50,50; 50,45; 50,50","2s","indefinite",[31,70,34,72,34,76,34,80,34,84,29],{"transform":71},"translate(300,50)",[36,73],{"x":38,"y":38,"width":39,"height":40,"fill":74,"stroke":75,"strokeWidth":43,"rx":44},"#fff3e0","#ff9800",[46,77,79],{"x":48,"y":49,"textAnchor":50,"fontSize":51,"fontWeight":52,"fill":78},"#ef6c00","CPP (無延伸PP)",[46,81,83],{"x":48,"y":57,"textAnchor":50,"fontSize":58,"fill":82},"#f57c00","柔らかい・熱でつく",[85,86],"animate",{"attributeName":87,"values":88,"dur":67,"repeatCount":68},"opacity","1;0.7;1",[46,90,94],{"x":26,"y":91,"textAnchor":50,"fontSize":92,"fill":93},"200","14","#616161","\n    同じ「PP」でも、作り方で全く違う性質に！\n  ",[18,96,97],{"id":97},"ポリプロピレンの主な種類",[14,99,100],{},"PPは、製造工程で「引き伸ばす（延伸）」かどうかによって、2つの大きなグループに分かれます。",[102,103,104,127],"ol",{},[105,106,107,111,112],"li",{},[108,109,110],"strong",{},"OPP（延伸ポリプロピレン）",":\n",[113,114,115,121],"ul",{},[105,116,117,120],{},[108,118,119],{},"特徴",": 非常に透明度が高く、コシ（張り）があります。水蒸気を通しにくい性質が強い。",[105,122,123,126],{},[108,124,125],{},"用途",": お菓子の外装、ダイレクトメールの透明封筒など。",[105,128,129,111,132],{},[108,130,131],{},"CPP（無延伸ポリプロピレン）",[113,133,134,139],{},[105,135,136,138],{},[108,137,119],{},": 柔らかく、熱で溶けてくっつく（ヒートシール性）性質があります。",[105,140,141,143],{},[108,142,125],{},": パンの袋、レトルト食品のシーラント（内側）など。",[18,145,146],{"id":146},"ポリプロピレンの優れたポイント",[113,148,149,155,161,167],{},[105,150,151,154],{},[108,152,153],{},"高い透明度",": 中身の商品を美しく見せることができます。",[105,156,157,160],{},[108,158,159],{},"優れた防湿性",": 水蒸気をブロックする力が強いため、乾き物や湿気やすい食品の保存に適しています。",[105,162,163,166],{},[108,164,165],{},"良好な耐熱性",": ポリエチレン（PE）よりも高い温度に耐えられるため、ボイルやレトルトにも対応可能です（特にCPP）。",[105,168,169,172],{},[108,170,171],{},"軽量",": プラスチック素材の中でも比重が低く（約0.91）、製品を軽くできます。",[18,174,175],{"id":175},"まとめ",[102,177,178,184,194],{},[105,179,180,183],{},[108,181,182],{},"ポリプロピレン","は、透明で湿気に強いパッケージの定番素材。",[105,185,186,189,190,193],{},[108,187,188],{},"OPP","は外側のパリッとした袋、",[108,191,192],{},"CPP","は内側のくっつける層として使われる。",[105,195,196,199],{},[108,197,198],{},"熱にも比較的強く","、食品の安全な保存に欠かせない素材です。",[18,201,202],{"id":202},"参考文献",[113,204,205,208],{},[105,206,207],{},"日本包装学会 編『包装学便覧』",[105,209,210],{},"プラスチック循環利用協会「プラスチックの基礎知識」",{"title":212,"searchDepth":213,"depth":213,"links":214},"",2,[215,216,217,218,219],{"id":20,"depth":213,"text":21},{"id":97,"depth":213,"text":97},{"id":146,"depth":213,"text":146},{"id":175,"depth":213,"text":175},{"id":202,"depth":213,"text":202},"素材","フィルムパッケージの主役「ポリプロピレン（PP）」。OPPやCPPといった種類や、高い防湿性・耐熱性について分かりやすく解説します。","md",{},true,"\u002Farticles\u002Fmaterial\u002Fwhat-is-polypropylene-pp",{"title":5,"description":221},"articles\u002Fmaterial\u002Fwhat-is-polypropylene-pp","NlppnrqK4iImJ0W3lgFccBXhUKaATkXjpdqRCGmNzCg",1780414755606]