JP5645376B2 - 作物の高温障害防止シートの製造方法 - Google Patents
作物の高温障害防止シートの製造方法 Download PDFInfo
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- JP5645376B2 JP5645376B2 JP2009169857A JP2009169857A JP5645376B2 JP 5645376 B2 JP5645376 B2 JP 5645376B2 JP 2009169857 A JP2009169857 A JP 2009169857A JP 2009169857 A JP2009169857 A JP 2009169857A JP 5645376 B2 JP5645376 B2 JP 5645376B2
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- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
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- 150000001412 amines Chemical class 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
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- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
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- 239000011248 coating agent Substances 0.000 description 1
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- 150000002148 esters Chemical class 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
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Images
Landscapes
- Woven Fabrics (AREA)
- Protection Of Plants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Description
該フィルムを延伸することなく、スリットして無延伸のフラットヤーンを形成し、
該無延伸のフラットヤーンを65℃前後の温度で、一軸延伸してハイドロタルサイト及びアルミニウム粉周辺にボイドを生じせしめてなるフラットヤーンを縦横に配してなる作物の高温障害防止シートの製造方法を提供するものである。
1.フラットヤーン
基材として高密度ポリエチレン(密度0.956g/cm3、融点134℃)50重量%と、ハイドロタルサイト(協和工業社製DHT−4A、重量平均径0.4μm)50重量%との樹脂組成物100重量部に、アルミニウム粉1.5重量部を添加した樹脂組成物を使用し、接合層として低密度ポリエチレン(密度0.922g/cm3、融点113℃)を用いて三層の積層フィルムをインフレーション法で成形した後、所定幅にスリットし、熱板を用いて65℃で6.0倍に延伸した後、105℃の熱風オーブンで8%の弛緩処理をして、670dt、1.0mm幅のフラットヤーンを形成した。
上記フラットヤーンをタテおよびヨコ糸に使用し、スルーザー織機にてタテ、ヨコの打ち込み密度をそれぞれ9本/25mmに織成したのち、120℃の熱ロールで糸の交点を熱融着させ、空隙率51%の織布を得た。
実施例1において、アルミニウム粉の添加を省略した以外は、実施例1と同様の実験を行った。
実施例1において、ハイドロタルサイトとアルミニウム粉の添加に代えて基材に銀色系顔料(東京インキ社製)を10重量%添加し、延伸操作を110℃で行った他は実施例1と同様にして織布を得た。フラットヤーンをカッターナイフで切断し切り口をルーペで観察したところボイドの発生はみられなかった。
高密度ポリエチレン(密度0.956g/cm3、融点134℃)からなる基材にアルミニウムを蒸着し、さらにポリエチレンの保護層が積層されたテープヤーンとポリエチレンからなるモノフィラメントとを編織し空隙率51%の織布を得た。
2.一軸延伸糸
3.布状体
5.切れ目
6.リブ
7.基層
8.接合層
10.充填材粒子
11.ボイド
Claims (2)
- 熱可塑性樹脂に対して、重量平均粒径が0.01〜10μmのハイドロタルサイトを配合した配合物を用いてフィルムを成形し、
該フィルムを延伸することなく、スリットして無延伸のフラットヤーンを形成し、
該無延伸のフラットヤーンを65℃前後の温度で、一軸延伸してハイドロタルサイト周辺にボイドを生じせしめてなるフラットヤーンを縦横に配してなる作物の高温障害防止シートの製造方法。 - 熱可塑性樹脂に対して、重量平均粒径が0.01〜10μmのハイドロタルサイト及びアルミニウム粉を配合した配合物を用いてフィルムを成形し、
該フィルムを延伸することなく、スリットして無延伸のフラットヤーンを形成し、
該無延伸のフラットヤーンを65℃前後の温度で、一軸延伸してハイドロタルサイト及びアルミニウム粉周辺にボイドを生じせしめてなるフラットヤーンを縦横に配してなる作物の高温障害防止シートの製造方法。
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JP2009169857A JP5645376B2 (ja) | 2009-07-21 | 2009-07-21 | 作物の高温障害防止シートの製造方法 |
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Related Parent Applications (1)
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JP2005036640A Division JP2006217898A (ja) | 2005-02-14 | 2005-02-14 | 作物の高温障害防止シート |
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JP2009268468A JP2009268468A (ja) | 2009-11-19 |
JP5645376B2 true JP5645376B2 (ja) | 2014-12-24 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5890807B2 (ja) * | 2013-08-12 | 2016-03-22 | みかど化工株式会社 | 農業用多層マルチフィルム |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09157992A (ja) * | 1995-12-12 | 1997-06-17 | Hagiwara Kogyo Kk | 農業用シ−ト |
JPH11196678A (ja) * | 1998-01-20 | 1999-07-27 | Toshin Sangyo Kk | 農業用被覆資材 |
JPWO2003018306A1 (ja) * | 2001-08-27 | 2004-12-09 | 萩原工業株式会社 | 遮光シート |
JP2003221750A (ja) * | 2002-01-30 | 2003-08-08 | Diatex Co Ltd | 熱可塑性合成樹脂製通気シート |
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