JP6179779B2 - 樹脂フィルム及びこれを用いた突板シート並びに自動車内装部材 - Google Patents
樹脂フィルム及びこれを用いた突板シート並びに自動車内装部材 Download PDFInfo
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- JP6179779B2 JP6179779B2 JP2014520955A JP2014520955A JP6179779B2 JP 6179779 B2 JP6179779 B2 JP 6179779B2 JP 2014520955 A JP2014520955 A JP 2014520955A JP 2014520955 A JP2014520955 A JP 2014520955A JP 6179779 B2 JP6179779 B2 JP 6179779B2
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- resin
- resin film
- veneer
- film
- layer
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- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/3188—Next to cellulosic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T442/674—Nonwoven fabric with a preformed polymeric film or sheet
- Y10T442/678—Olefin polymer or copolymer sheet or film [e.g., polypropylene, polyethylene, ethylene-butylene copolymer, etc.]
Description
天然木突板18の表面に取着される樹脂フィルム10であって、
メルトフローレート(MFR:試験条件は170℃,2.1kg荷重)が2.5〜33.0g/10分minのオレフィン系樹脂からなり、該オレフィン系樹脂が変性ポリオレフィン樹脂を含有する溶融接着充填層12と、
熱可塑性樹脂からなり、前記溶融接着充填層12の表面に積層される機能層14とで構成されていることを特徴とする樹脂フィルム10である。
なお、実施例及び比較例の各樹脂フィルム(より具体的には、溶融接着充填層フィルム)の特性評価は以下の方法で行なった。
(1)溶融接着充填層フィルムの製造特性の評価
(a)溶融接着充填層を構成する樹脂のMFR:JIS K6922−2に準拠して、170℃,2.1kg荷重の試験条件で測定した。
(b)Tダイ加工性:溶融接着充填層を構成する組成の樹脂物混合物を、スクリュー直径35mmの単軸押出し機を使用して、ダイス内の溶融樹脂の流れが均一になるように設計した幅400mmのTダイに導入し、ダイス出口の樹脂温度170℃の条件で押出した。なお、リップギャップは1.0mmとした。そして、ダイスからでてきた溶融樹脂フィルムを30℃の冷却ロールで冷却し、層厚みが50μmのオレフィン系フィルムを得ると共に、Tダイ加工性を目視により観察し、◎(優)、○(良)、△(可)、×(不可)の4段階で評価した。
(c)インフレーション加工性:単層フィルムを成形する場合として、溶融接着充填層を構成する組成の樹脂組成物を、35mm押出機を用い、押出温度200℃、吐出量5kg/hrで溶融混練し、周長157mm(直径50mmφ)、リップクリアランス0.5mmの円形リップより筒状に押出し、エアーを当てながら冷却し、厚み50μmのインフレーションフィルムを作製した。又、多層フィルムを成形する場合として、溶融接着充填層を構成する組成の樹脂組成物を内層とし、ポリプロピレン樹脂(ランダムポリプロピレン:日本ポリケム株式会社製 ウインテックWFX4TA)を中間層及び外層として、ダイス温度190℃にて三層の共押出インフレーションフィルムを作製した。なお、押出機口径は、内層/中間層/外層=45/45/45(単位:mmφ)で、層構成比は、内層/中間層/外層=1/1/1(総厚さ=150μm)、積層体成形速度は8m/分に設定した。そして、各インフレーションフィルム成形過程について、インフレーション加工性を目視により観察し、◎(優)、○(良)、△(可)、×(不可)の4段階で評価した。
(a)含浸性:厚さ0.20mmの天然木突板(バーズアイメープル)の上下両面に溶融接着充填層となる厚さ0.05mmの実施例又は比較例のフィルムをセットし、更にその外側に厚さ0.10mmのポリプロピレンフィルム(機能層)を重ね合わせ、ホットプレスを用いて180℃、1MPaで30秒間熱圧着させた。その後、プレスしたまま常温まで冷却し、突板シートを得た。 得られた突板シートの略中央部分から幅30mm×長さ100mmの試料を切り出し、木口面を200倍に拡大したSEM写真を撮り、突板内部に対する溶融接着充填層の浸透具合を目視により観察し、◎(優)、○(良)、△(可)、×(不可)の4段階で評価した。
(b)密着性:上記含浸性評価と同じ方法で作成した試料を用い、表裏両面のポリプロピレンフィルムそれぞれを引張試験機のクランプにセットし、このポリプロピレンフィルムを引っ張り、突板とポリプロピレンフィルムの剥離強度を測定した。そして、得られた結果を◎(優)、○(良)、△(可)、×(不可)の4段階で評価した。
高透明ポリプロピレン樹脂として日本ポリプロ社製のウィンテック(登録商標;品番WFX4TA)を、分子量調整用高MFRポリプロピレン樹脂として日泉化学社製のPP2100を、また、マレイン酸変性ポリプロピレン樹脂として三洋化成工業社製のユーメックス(登録商標;品番1010)を準備した。そして、高透明ポリプロピレン樹脂49重量%、分子量調整用高MFRポリプロピレン樹脂41重量%、及びマレイン酸変性ポリプロピレン樹脂10重量%を混合し、更に、上記樹脂混合物100重量部に対してアデカ社製の紫外線吸収剤アデカスタブ(登録商標;品番1413)、BASF(旧チバ・ジャパン)社製の酸化防止剤IRGANOX(登録商標;品番1010)をそれぞれ0.5重量部加え、これらの混合体を、80メッシュの金網を装着した35mmφのベント付きの押出機を用いて温度170℃でストランド状に押出し、ストランドを水冷した後カットして溶融接着充填層用のコンパウンドを調製した。得られたコンパウンドは90℃で8時間乾燥させた後、その一部を上述した溶融接着充填層フィルムの製造特性の評価に供した。
続いて、このコンパウンドを200℃の製膜温度に設定した35mmφの空冷インフレーション成膜機に投入し、厚さ50μmの溶融接着充填層フィルムを成形した。
得られたフィルムの物性評価結果及び係る処方でのフィルム製造特性の評価結果を表1に示す。
変性ポリオレフィン系樹脂として三菱化学社製のモディック(登録商標;品番F534A)を、分子量調整用高MFRポリプロピレン樹脂として日泉化学社製のPP2100を準備し、変性ポリオレフィン系樹脂80重量%と分子量調整用高MFRポリプロピレン樹脂20重量%とを混合して溶融接着充填層用のコンパウンドを調製したこと以外は、実施例1と同様の方法で溶融接着充填層フィルムの製造特性及び得られるフィルム物性の評価を行なった。得られた結果を表1に示す。
高透明ポリプロピレン樹脂である日本ポリプロ社製のウィンテック(登録商標;品番WFX4TA)のみで溶融接着充填層用のコンパウンドを調製したこと以外は、実施例1と同様の方法で溶融接着充填層フィルムの製造特性及び得られるフィルム物性の評価を行なった。得られた結果を表1に示す。
分子量調整用高MFRポリプロピレン樹脂である日泉化学社製のPP2100のみで溶融接着充填層用のコンパウンドを調製したこと以外は、実施例1と同様の方法で溶融接着充填層フィルムの製造特性及び得られるフィルム物性の評価を行なった。得られた結果を表1に示す。
分子量調整用高MFRポリプロピレン樹脂として日泉化学社製のPP2100を、マレイン酸変性ポリプロピレン樹脂として三洋化成工業社製のユーメックス(登録商標;品番1010)を準備し、分子量調整用高MFRポリプロピレン樹脂80重量%とマレイン酸変性ポリプロピレン樹脂20重量%とを混合して溶融接着充填層用のコンパウンドを調製したこと以外は、実施例1と同様の方法で溶融接着充填層フィルムの製造特性及び得られるフィルム物性の評価を行なった。得られた結果を表1に示す。
(1)突板シートの伸張率について
厚さ0.20mmの天然木突板(バーズアイメープル)の表裏両面に、上記実施例1の溶融接着充填層フィルムを介して厚さ0.05mmのポリプロピレンフィルムを熱圧着して、厚さ0.35mmの突板シートを得た。この突板シートと、樹脂フィルムがラミネートされていない厚さ0.20mmの天然木突板(バーズアイメープル)とについて、以下の方法で伸張率を測定した。
すなわち、各シートから幅10mm×長さ200mmの試験試料を切り出し、島津精密万能試験機オートグラフを用い、室温15±5℃、湿度30±5%、速度1mm/分、標点距離100mmの条件で引張試験を行い、伸張率を測定した。
その結果、天然木突板を溶融接着充填層フィルムとポリプロピレンフィルムとからなる樹脂フィルムでラミネートすることにより、天然木突板の繊維方向で2倍程度、該繊維方向に直交する方向で4〜5倍程度、伸張率が高くなることが明らかとなった。
上記伸張率の測定に用いたものと同様の突板シートを準備し、この突板シートを日精樹脂工業製の射出成型機NS−60-9Aに装着したテスト金型(凹凸部の深さや曲率などを変えた数種類のものを使用)にセットした。そして、射出樹脂温度200℃、射出圧力60MPaの条件で、突板シートの裏面側にポリプロピレン樹脂を射出成形し、図7に示すような金型への追従性評価用の樹脂成形サンプルを得た。なお、比較として、突板シートの代わりに樹脂フィルムでラミネートしていない厚さ0.20mmの天然木突板(バーズアイメープル)を用いたものでも樹脂成形サンプルを作成した。そして、各樹脂成形サンプルの段差部分ならびに凸部平面に突板の割れの有無を確認して金型への追従性を評価した。
11…(天然木突板の裏面側に熱圧着される)樹脂フィルム
12…溶融接着充填層
14…機能層
16…中間層
18…天然木突板(突板)
20…突板シート
22…熱ロール
24…射出成形装置
26…第1型(雌型)
28…第2型
30…基材樹脂
32…自動車内装部材
34…不織布
Claims (8)
- 天然木突板(18)の表面に取着される樹脂フィルム(10)であって、
メルトフローレート(MFR:試験条件は170℃,2.1kg荷重)が2.5〜33.0g/10分のオレフィン系樹脂からなり、該オレフィン系樹脂が変性ポリオレフィン樹脂を含有する溶融接着充填層(12)と、
熱可塑性樹脂からなり、前記溶融接着充填層(12)の表面に積層される機能層(14)とで構成されていることを特徴とする樹脂フィルム(10)。 - 前記溶融接着充填層(12)と前記機能層(14)との間に、オレフィン系のポリマーアロイもしくはポリマーブレンドからなる中間層(16)が更に介層されていることを特徴とする請求項1に記載の樹脂フィルム(10)。
- 前記機能層(14)を形成する熱可塑性樹脂が、ポリメタクリル酸メチル樹脂,ポリカーボネート樹脂,ポリプロピレン樹脂,ABS樹脂,ポリエステル系樹脂,ポリエチレン樹脂,ポリスチレン樹脂,ポリウレタン樹脂からなる群より選ばれた少なくとも1種であることを特徴とする請求項1又は2に記載の樹脂フィルム(10)。
- 前記溶融接着充填層(12)又は中間層(16)の少なくとも何れか一方に、波長が380〜700nmの電磁波を吸収或いは拡散させる有色材料が配合されていることを特徴とする請求項1乃至3の何れかに記載の樹脂フィルム(10)。
- 天然木突板(18)の表裏両面に熱可塑性の樹脂フィルムを熱圧着した突板シート(20)であって、
前記天然木突板(18)の少なくとも表面側に、請求項1乃至4の何れかに記載の樹脂フィルム(10)が、その溶融接着充填層の融点以上の温度で熱圧着されていることを特徴とする自動車内装用の突板シート(20)。 - 請求項5に記載の自動車内装用の突板シート(20)において、
前記天然木突板(18)の裏面と該裏面側に熱圧着される樹脂フィルム(11)との間に、当該樹脂フィルム(11)の融点よりも高い温度での形状維持が可能な繊維を主体とした不織布(34)が介装されていることを特徴とする突板シート(20)。 - 請求項5に記載の自動車内装用の突板シート(20)において、
前記天然木突板(18)の裏面に熱圧着された樹脂フィルム(11)の外表面側に、当該樹脂フィルム(11)の融点よりも高い温度での形状維持が可能な繊維を主体とした不織布が積層されていることを特徴とする突板シート(20)。 - 請求項5乃至7に記載の突板シート(20)を用い、射出成形して得たことを特徴とする自動車内装部材(32)。
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JP7001361B2 (ja) * | 2017-04-19 | 2022-01-19 | 株式会社東海理化電機製作所 | 突板シート及びその製造方法 |
JP2019111798A (ja) * | 2017-12-22 | 2019-07-11 | Art&Tech株式会社 | 突板/樹脂積層構造ハウジング及びその製造装置 |
JP2022062973A (ja) * | 2020-10-09 | 2022-04-21 | パナソニックIpマネジメント株式会社 | 木質材シート及び木質材シートの製造方法並びに成形品及び成形品の製造方法 |
JP2023157210A (ja) * | 2022-04-14 | 2023-10-26 | Toppanホールディングス株式会社 | 樹脂成形品 |
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DE1257734B (de) | 1961-05-31 | 1968-01-04 | Lignoflex G M B H | Flexible Verkleidungsplatte aus Holzfurnier und Gewebe |
US3868433A (en) | 1972-04-03 | 1975-02-25 | Exxon Research Engineering Co | Thermoplastic adhesive compositions |
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CN1021804C (zh) * | 1988-11-28 | 1993-08-18 | 三井石油化学工业株式会社 | 层合模塑体及其制造方法 |
KR100201885B1 (ko) * | 1993-08-18 | 1999-06-15 | 곤도 쓰네오 | 농업용 폴리올레핀계 수지 필름 |
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DE10017486A1 (de) | 2000-04-07 | 2001-10-11 | Basf Ag | Mehrschichtiger Verbundkörper von Leder und Thermoplasten |
DE10107038A1 (de) | 2001-02-15 | 2002-09-12 | Behr Automotive Gmbh | Innenausbauteil für Kraftfahrzeuge und Verfahren zur Herstellung des Innenausbauteiles |
JP3849489B2 (ja) * | 2001-10-23 | 2006-11-22 | 凸版印刷株式会社 | 化粧材 |
EP1486529B1 (en) * | 2002-02-27 | 2013-01-09 | Yupo Corporation | Process for producing thermoplastic resin film |
DE10330748A1 (de) | 2003-07-07 | 2005-01-27 | Basf Ag | Verfahren zur Kaschierung mit Verwendung spezieller Polyurethan-Klebstoffe |
JP3930491B2 (ja) | 2004-04-27 | 2007-06-13 | 高知県 | 三次元成型可能な天然木突き板及びその製造方法 |
JP2009113261A (ja) | 2007-11-05 | 2009-05-28 | Toppan Cosmo Inc | 化粧材 |
JP2011255542A (ja) | 2010-06-07 | 2011-12-22 | Katsuhiro Matsumoto | ラミネート突板 |
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- 2013-06-19 CN CN201380032459.3A patent/CN104540652B/zh active Active
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- 2013-06-19 DE DE112013003103.5T patent/DE112013003103B4/de not_active Expired - Fee Related
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JP2015116782A (ja) * | 2013-12-19 | 2015-06-25 | 日泉化学株式会社 | 樹脂フィルム及びこれを用いた複合シート並びに樹脂成形部材 |
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CN104540652A (zh) | 2015-04-22 |
CN104540652B (zh) | 2016-10-26 |
JPWO2013190839A1 (ja) | 2016-02-08 |
DE112013003103T5 (de) | 2015-04-02 |
DE112013003103B4 (de) | 2021-09-30 |
WO2013190839A1 (ja) | 2013-12-27 |
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