JP7142168B2 - 遮光複合フィルム、その製造方法及び使用 - Google Patents
遮光複合フィルム、その製造方法及び使用 Download PDFInfo
- Publication number
- JP7142168B2 JP7142168B2 JP2021531157A JP2021531157A JP7142168B2 JP 7142168 B2 JP7142168 B2 JP 7142168B2 JP 2021531157 A JP2021531157 A JP 2021531157A JP 2021531157 A JP2021531157 A JP 2021531157A JP 7142168 B2 JP7142168 B2 JP 7142168B2
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- JP
- Japan
- Prior art keywords
- light
- composite film
- shielding
- fabric
- shielding composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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Images
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Description
S1、光反射粒子と光吸収粒子を製造する工程、
S2、前記光反射粒子と前記光吸収粒子を樹脂にそれぞれ加え、均一に混合して共押出成形して、フィルムを得る工程であって、好ましくは、前記光反射粒子と樹脂との質量比が(34~40):(59~69)であり、前記光吸収粒子と樹脂との質量比が(10~15):(84~89)である前記工程、
S3、前記の2つのフィルムと不織布が加熱圧着処理を経って前記遮光複合フィルムを作成する工程
を含む、前記製造方法。
(1)本発明の製造方法は容易、低コスト、生産効率が高く、工業生産にしやすい。
(2)本発明の樹脂原料は、供給源の範囲が広く、色々な形に加工しやすく、取り扱いも簡単である。
(3)本発明の遮光複合フィルムは、遮光性が強く、カッピングしにくく、耐久性を有し、軽量構造であり、色がきれいなどの利点があり、今の高級カーテンの素材に対する要求を満たすことができる。
(4)本発明の完全遮光ブラインドは、良い遮光効果を有し、住宅、病棟、自動車の内装、航空機の内装などの室内装飾分野に適用でき、広い応用可能性と市販のよい見込みを持つ。
図1に示すように、本発明の実施例は、光反射層1-光吸収層2-光反射層1-不織布3-光反射層1-光吸収層2-光反射層1のような多層構造(外側の光反射層1には、希望の色調に呈するために色素を含んでもよい)を有する遮光複合フィルムを提供する。本発明は、押出し成形で膜を作る加工方法を採用し、両回の熱圧により、光反射層-光吸収層-光反射層-不織布-光反射層-光吸収層-光反射層のような、7層一体の遮光性高分子フィルムの一回成型技術を達成した。該7層高分子フィルムの構造特徴は、光反射層-光吸収層-光反射層の3層のフィルム構造と比較する場合、遮光効果がより高い同時、遮光複合フィルムの正面、裏面がいずれも白色又は多彩色である視覚的効果を保証する。熱圧処理により、当該6層の複合遮光性高分子フィルムと、1層の不織布とを、熱圧して遮光複合フィルムを作成する。前記遮光複合フィルムの厚さは0.05~1.0 mmとの間に制御している。好ましくは、各層の厚さは同じである。
(1)一定粒子径(例えば、0.1~1ミクロン)の二酸化チタン粉末、又は高漆黒度のカーボンブラックパウダーを、それぞれ、環境に優しい有機エステル分散剤であるEHBAに加え、均一に混合して、樹脂(例えば、ポリエチレンPE、ポリエチレンテレフタレートPET、ポリトリメチレンテレフタレートPTT、エチレン-酢酸ビニルコポリマーEVA、熱可塑性エラストマーTPE、熱可塑性ポリウレタンエラストマーTPU、ポリオレフィンエラストマーPOE樹脂)を加えて撹拌混合し、二軸ペレタイザーに加えて造粒して、白い光反射粒子、又は黒い光吸収粒子を得る。その中、白い光反射粒子に含まれる樹脂は、光反射層に含まれる樹脂と同じであり、黒い光吸収粒子に含まれる樹脂は、光吸収層に含まれる樹脂と同じである。
粒子径0.7ミクロンの二酸化チタン粉末70.0部に、環境に優しい有機エステル分散剤であるEHBA 1.0部を加えて、攪拌して均一に混合し、乾燥したPE樹脂29.0重量部を加えて、攪拌混合し、二軸ペレタイザーで造粒し、光反射白い粒子を得る。
乾燥したPE樹脂原料を、それぞれ、光反射粒子、光吸収粒子に混合した。PE樹脂と光反射粒子との混合重量比は64:35であり、PE樹脂と光吸収粒子との混合重量比は69:30である。そして、分散剤であるEHBA1.0部を加え、よく混合した上、混合原料を3軸押出機に別々に入れて、図3に示すように、光反射粒子混合樹脂、光吸収粒子混合樹脂、光反射粒子混合樹脂が、それぞれ、押出ダイス口の上層、中層、下層にガイドされるように設置した。
乾燥したPE樹脂原料は、光反射粒子、光吸収粒子とそれぞれ混合した。PE樹脂と光反射粒子との混合重量比は70:29であり、PE樹脂と光吸収粒子との混合重量比は64:35である。そして、分散剤であるEHBA1.0部を加え、よく混合した上、混合原料を2軸押出機に別々に入れて、図4に示すように、光反射粒子混合樹脂、光吸収粒子樹脂が、それぞれ押し出フィルム口の上層、下層にガイドされるように設置した。
乾燥したPE樹脂原料は、光反射粒子、光吸収粒子とそれぞれ混合した。PE樹脂と光反射粒子との混合重量比は64:35であり、PE樹脂と光吸収粒子との混合重量比は69:30である。そして、分散剤であるEHBA1.0部を加え、よく混合した上、混合原料を3軸押出機に別々に入れて、光反射粒子混合樹脂が押出ダイス口の上、下のエリアにガイドされ、光吸収粒子混合樹脂が押出ダイス口の中間のエリアにガイドされるように設置した。
フィルム材料と紡織生地の複合に用いる接着加工は、繊維制品の機能化を可能にする最先端技術であり、採用している湿気硬化反応系ポリウレタンホットメルト接着剤は、ラミネート複合業界で最も普及する価値がある粘着剤であり、環境に無公害の特性を持つ。本発明の記載の遮光機能を有する複合繊維制品生地を製造するために、ホットメルト複合技術を採用し、環境に優しい未来の傾向と一致する。
第一、遮光複合フィルムに対して前期コロナ表面処理を行って、フィルムの表面化学構造を改変し、遮光フィルムの表面張力を上げて、粘着する点を増加して、牢度を向上させる。
第二、湿気硬化反応型ポリウレタンホットメルト接着剤を採用し、90~110℃でホットメルト接着剤を溶融させて、ホットメルトラミネート機に注入し、遮光複合フィルムの一つの面を生地4に複合した。24時間硬化熟成した後、遮光複合フィルムの他の面を、生地4に同様の熱複合を行って、遮光複合フィルムは、生地4の2つの層の間に熱的に結合されて、図5に示される構造の遮光生地を形成した。
本実施例では、実施例1の遮光複合フィルムから、両面にPET生地を複合した両面複合遮光生地を製造した。製造方法は以下の工程を含む:
第一、実施例1の遮光複合フィルムに対して前期コロナ表面処理を行った。
第二、湿気硬化反応型ポリウレタンホットメルト接着剤を採用し、95℃でホットメルト接着剤を溶融させて、ホットメルトラミネート機に注入し、遮光複合フィルムの一つの面をPET材の生地に複合させて、24時間硬化熟成した。
第三、遮光複合フィルムの他の面を、湿気硬化反応型ポリウレタンホットメルト接着剤を介してPET生地と複合させて、24時間硬化熟成して、両面複合遮光生地を得た。
本実施例では、実施例1の遮光複合フィルムから、片面でPET生地と複合した遮光生地を製造した。製造方法は以下の工程を含む:
第一、実施例1の遮光複合フィルムに対して前期コロナ表面処理を行った。
第二、湿気硬化反応型ポリウレタンホットメルト接着剤を採用し、95℃でホットメルト接着剤を溶融させて、ホットメルトラミネート機に注入し、遮光複合フィルムの一つの面とPET材の生地とを一回複合させて、24時間硬化熟成して、遮光生地を得た。
本実施例では、実施例2の遮光複合フィルムから、片面でPET生地と複合した遮光生地を製造した。製造方法は以下の工程を含む:
第一、実施例2の遮光複合フィルムに対して前期コロナ表面処理を行った。
第二、湿気硬化反応型ポリウレタンホットメルト接着剤を採用し、95℃でホットメルト接着剤を溶融させて、ホットメルトラミネート機に注入し、遮光複合フィルムの一つの面とPET材の生地とを複合させて、24時間硬化熟成した。
第三、遮光複合フィルムの他の面を、湿気硬化反応型ポリウレタンホットメルト接着剤を介してPET生地と複合させて、24時間硬化熟成して、両面複合遮光生地を得た。
実施例3の生地をポリアミドPAに置き換えた以外、実施例3と同様にした。
上記の完全遮光機能複合繊維制品生地に基づいて、従来の裁断、縫製する方法により、さまざまの構造、形式を有するブラインドが生産される。
Claims (12)
- 中間の不織布と、前記不織布の両側にそれぞれ位置する少なくとも一つの光反射層と少なくとも一つの光吸収層を含み、前記光反射層と前記光吸収層が交互に配置されている遮光複合フィルムであって、前記光反射層が光反射粒子を含む樹脂で形成され、前記光吸収層が光吸収粒子を含む樹脂で形成され、
前記光反射粒子が、光反射材65~75重量部、分散剤0.5~1.5重量部、樹脂24~34重量部を混合して調製され、前記光吸収粒子が、光吸収材10~15重量部、分散剤0.5~2重量部、樹脂84~89重量部を混合して調製され、前記分散剤が安息香酸エチルヘキシル(EHBA)であり、
前記光反射材が、二酸化チタン粉末、硫酸バリウムからなる群から選ばれる1種又はその組み合わせであり、前記光吸収材が、カーボンブラック、アイアンブラック、グラファイトからなる群から選ばれる1種又は2種以上であり、前記光反射粒子と前記光吸収粒子の粒子径が0.1~1ミクロンであり、
前記樹脂が、ポリエチレンPE、ポリエチレンテレフタレートPET、ポリトリメチレンテレフタレートPTT、エチレン-酢酸ビニルコポリマーEVA、熱可塑性エラストマーTPE、熱可塑性ポリウレタンエラストマーTPU、ポリオレフィンエラストマーPOEからなる群から選ばれる1種又は2種以上であり、前記不織布の素材がポリプロピレンPP、ポリエチレンテレフタレートPET、ポリトリメチレンテレフタレートPTT、ポリアミドPAからなる群から選ばれる1種又は2種以上であり、
前記不織布の面密度が20g/m2未満であり、厚さが0.05~0.15 mmであり、
前記遮光複合フィルムの厚さが0.5~1.0 mmである、前記遮光複合フィルム。 - 前記遮光複合フィルムの厚さが0.5 mm、0.7 mm、又は0.9 mmであり、面密度が50~100g/m2である、請求項1に記載の遮光複合フィルム。
- 前記遮光複合フィルムの面密度が60g/m 2 、70g/m 2 、80g/m 2 、又は90g/m 2 である、請求項1に記載の遮光複合フィルム。
- 前記遮光複合フィルムにおいて各層の厚さは同じである、請求項1に記載の遮光複合フィルム。
- 前記光反射層において前記光反射粒子の含有率が、30.0~40.0 wt%であり、前記光反射層において前記樹脂の含有率が、59.0~69.0 wt%であり、分散剤の含有率が、0.5~1.5 wt%である、請求項1に記載の遮光複合フィルム。
- 前記光吸収層において前記光吸収粒子の含有率が25~35 wt%であり、前記光吸収層において前記樹脂の含有率が64.0~74.0 wt%であり、分散剤の含有率が0.5~1.5 wt%である、請求項1に記載の遮光複合フィルム。
- 請求項1~6のいずれか1項に記載の遮光複合フィルムの製造方法であって、
S1、光反射粒子と光吸収粒子を製造する工程、
S2、前記光反射粒子と前記光吸収粒子を樹脂にそれぞれ加え、均一に混合して共押出成形して、フィルムを得る工程、及び
S3、前記の2つのフィルムと不織布が加熱圧着処理を経って前記遮光複合フィルムを作成する工程
を含む、前記製造方法。 - 前記S2の工程において、前記光反射粒子と樹脂との質量比が(34~40):(59~69)であり、前記光吸収粒子と樹脂との質量比が(10~15):(84~89)である、請求項7に記載の製造方法。
- 請求項1~6のいずれか1項に記載の遮光複合フィルムと、前記遮光複合フィルムの片面または両面に貼り付けられた生地とを含む遮光生地であって、前記生地の素材が前記遮光複合フィルムにおける不織布の素材は同じである、前記遮光生地。
- 前記生地が織物、編物又は不織布である、請求項9に記載の遮光生地。
- 前記遮光生地が、前記遮光複合フィルムと前記生地とをホットメルト接着剤で積層したものである、請求項9に記載の遮光生地。
- 請求項9~11のいずれか1項に記載の遮光生地を含ドレープ。
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