JP3593361B2 - Heat reversal transfer printing sheet and method for producing the same - Google Patents

Heat reversal transfer printing sheet and method for producing the same Download PDF

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Publication number
JP3593361B2
JP3593361B2 JP11439794A JP11439794A JP3593361B2 JP 3593361 B2 JP3593361 B2 JP 3593361B2 JP 11439794 A JP11439794 A JP 11439794A JP 11439794 A JP11439794 A JP 11439794A JP 3593361 B2 JP3593361 B2 JP 3593361B2
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Prior art keywords
layer
heat
polymer resin
pattern
entire surface
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JP11439794A
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JPH07305281A (en
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宏 松下
隆之 田村
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SAN-EI CHEMICAL CO., LTD.
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SAN-EI CHEMICAL CO., LTD.
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/003Transfer printing
    • D06P5/004Transfer printing using subliming dyes
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/003Transfer printing

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Coloring (AREA)

Description

【0001】
【産業上の利用分野】
この発明は、熱転写による乾式被転写生地、即ち過剰の未固着染料を除去するための洗浄工程が行われていないために未固着染料が多量に付着している生地又は移染しやすい昇華性染料により染色されている生地上に鮮明な図柄模様を付与する熱反転式転写捺染シート及びその製造法に関するものである。
【0002】
【従来の技術】
従来より転写捺染と言えば、分散染料の一部を転写紙原紙上に印刷法等により加工し、加熱、加圧処理によりポリエステル繊維へ乾式転写捺染を行う手段が一般的に知られている。
【0003】
又、カチオン染料の一部を若干改質したものを使用したり、反応型分散染料等の染料を使用する方法と、ピグメントレジンカラーを使用する方法がある。
【0004】
又、染料を使用する方法は、乾式法と湿式法に分類される。
【0005】
しかし、分散染料を用いる乾式法がポリエステル繊維布に多用され、転写捺染方法の主流を占め、わが国転写捺染数量の約90%を占めると推測されている。
【0006】
又対象繊維としては、ポリエステル以外にナイロン、トリアセテート等の化学繊維、天然繊維及び混紡・混繊繊維に適用されるが、非常に少ない。
【0007】
又、乾式転写捺染に使用されるポリエステル用分散染料は、昇華性や移染性(拡散性)等を有し、用途・加工方法に合わせて拡散速度の大・小、均染性の良・不良、昇華性の大・小等の様々な性質を検討し、選択されるものである。
【0008】
又、従来より図17、図18に図示したようにベースシート21、該ベースシート21上に被覆されたところの剥離性樹脂層22、該剥離性樹脂層22上に所望の形状で模様印刷されたところの、顔料及び高分子弾性樹脂の混合物を含有して成る図柄模様層23、並びに該図柄模様層23上の全面に被覆されたところの、多孔性物質25を含有してなる吸着層24を設けて、加圧・加熱により被転写生地12に転写可能なるごとくした転写捺染シート26が知られている(特公昭60−25556号公報参照)。
【0009】
【発明が解決しようとする問題点】
ところで従来、熱反転式転写捺染シートにより部分的な転写捺染加工を行う場合、風合いを良くするために高分子弾性樹脂が一般的に使用されているが、乾式転写捺染された生地に適用した場合、高分子弾性樹脂への昇華性染料の移染性は大きい。
【0010】
又、高分子弾性樹脂に移染した昇華性染料の樹脂内部拡散性も大きく、昇華汚染に対する堅牢度は不十分なものであった。
【0011】
又、図17、図18に図示した特公昭60−25556号公報で知られている転写捺染シートは、過剰の未固着染料を除去するための、洗浄工程を行う直接捺染法により染色された捺染ポリエステル生地に適用することなく、乾式転写捺染生地である被転写生地12に適用すると、過剰の未固着染料を除去するための洗浄工程が行われていないために未固着染料が多量に付着している場合、もしくは移染しやすい昇華性染料により染色されている場合において、十分な昇華汚染堅牢度は得られない欠点を有する。即ち、転写時に加圧・加熱操作を行うために、被転写生地12の染色された繊維が転写捺染シート26の吸着層24に食い込むことによって多孔性物質25の間隔を広げ、広がった多孔性物質25の間から、移染した昇華性染料24が図柄模様層23の上層部分まで拡散し、昇華汚染が図19に図示したように発生する。
【0012】
これは、多孔性物質25として固体粉末を用いて吸着層24を形成したため、印刷インキ等が濡れているうちの散布塗布や、多孔性物質25を樹脂インキへ混合した状態での印刷法等による塗布加工等により加工を行った場合、非常に微細な昇華性染料分子が通過しない吸着層24を形成することは困難である。
【0013】
更に、転写時の加圧力により被転写生地12の繊維の食い込みが発生し、吸着層24が変形するため多孔性物質25,25間の間隔が拡大する。
【0014】
従って、多孔性物質25,25の間隙部分より昇華性染料が浸透し、図柄模様層23の上層部分への昇華汚染が発生する。
【0015】
また、接着が難しい被転写生地12に適用する場合、吸着層24の密着性を向上させるため、さらなる加圧力を加え転写する場合があるが、この様な場合にはさらに昇華汚染が進行し、鮮やかな図柄模様層23を形成することができず、図20に図示したように全く不適格なものとなる。
【0016】
この発明は上記の問題点を解決したもので、乾式転写捺染生地である被転写生地12に加圧・加熱という比較的簡単な操作により図柄模様を印捺し、隠蔽力が極めて大で、耐摩擦性、耐洗濯性、耐光性、耐熱性、貯蔵中昇華に対する耐昇華性等の堅牢度が優れた熱反転式転写捺染シート及びその製造法を得ることを目的としたものである。
【0017】
【問題点を解決するための手段】
上記の目的を達成するためにこの発明は、上質紙の基層1上に剥離性樹脂層2を設けて基体シート3を形成し、該基体シート3上に顔料及び高分子樹脂の混合物を含有して成る所望形状の図柄模様層4を設け、更に図柄模様層4上の全面に白色顔料及び高分子樹脂の混合物を含有して成る白色隠蔽層5を設け、又更に白色隠蔽層5上の全面に結晶性の高い結晶性高分子樹脂より成る遮蔽層6を設け、且又遮蔽層6上の全面に高分子樹脂よりなる耐熱弾性層7を設け、又耐熱弾性層7上の全面に熱可塑性高分子樹脂よりなる接着層8を設けたもので、その製造法は、上質紙の基層1上に剥離性樹脂層2を設けて基体シート3を形成する工程と、前記工程により形成された基体シート3上に顔料及び高分子樹脂の混合物を含有して成る所望形状の図柄模様層4を設ける工程と、前記工程で形成された図柄模様層4上の全面に白色顔料及び高分子樹脂の混合物を含有して成る白色隠蔽層5を設ける工程と、前記工程で形成された白色隠蔽層5上の全面に結晶性の高い結晶性高分子樹脂より成る遮蔽層6を設ける工程と、前記工程で形成された遮蔽層6上の全面に高分子樹脂よりなる耐熱弾性層7を設ける工程と、前記工程で形成された耐熱弾性層7上の全面に熱可塑性高分子樹脂よりなる接着層8を設ける工程より成るものである。
【0018】
又更にこの発明は、上質紙の基層1上に剥離性樹脂層2を設けて基体シート3を形成し、該基体シート3上に白色顔料及び高分子樹脂の混合物を含有して成る所望形状の図柄模様兼白色隠蔽層9を設け、又更に図柄模様兼白色隠蔽層9上の全面に結晶性の高い結晶性高分子樹脂より成る遮蔽層6を設け、且又遮蔽層6上の全面に高分子樹脂よりなる耐熱弾性層7を設け、又耐熱弾性層7上の全面に熱可塑性高分子樹脂よりなる接着層8を設けたもので、その製造法は、上質紙の基層1上に剥離性樹脂層2を設けて基体シート3を形成する工程と、前記工程により形成された基体シート3上に白色顔料及び高分子樹脂の混合物を含有して成る所望形状の図柄模様兼白色隠蔽層9を設ける工程と、前記工程で形成された図柄模様兼白色隠蔽層9上の全面に結晶性の高い結晶性高分子樹脂より成る遮蔽層6を設ける工程と、前記工程で形成された遮蔽層6上の全面に高分子樹脂よりなる耐熱弾性層7を設ける工程と、前記工程で形成された耐熱弾性層7上の全面に熱可塑性高分子樹脂よりなる接着層8を設ける工程より成るものである。
【0019】
【実施例】
以下図面についてこの発明の実施例を説明すると、上質紙の基層1上に剥離性樹脂層2を設けて基体シート3を形成し、該基体シート3上に顔料及び高分子樹脂の混合物を含有して成る所望形状の図柄模様層4(基体シート3上の適宜位置の上面または基体シート3上の全表面)を設け、更に図柄模様層4上の全面に白色顔料及び高分子樹脂の混合物を含有して成る白色隠蔽層5を設け、又更に白色隠蔽層5上の全面に結晶性の高い結晶性高分子樹脂より成る遮蔽層6を設け、且又遮蔽層6上の全面に高分子樹脂よりなる耐熱弾性層7を設け、又耐熱弾性層7上の全面に熱可塑性高分子樹脂よりなる接着層8を設けたものである。
【0020】
又上質紙の基層1上に剥離性樹脂層2を設けて基体シート3を形成する工程と、前記工程により形成された基体シート3上に顔料及び高分子樹脂の混合物を含有して成る所望形状の図柄模様層4を設ける工程と、前記工程で形成された図柄模様層4上の全面に白色顔料及び高分子樹脂の混合物を含有して成る白色隠蔽層5を設ける工程と、前記工程で形成された白色隠蔽層5上の全面に結晶性の高い結晶性高分子樹脂より成る遮蔽層6を設ける工程と、前記工程で形成された遮蔽層6上の全面に高分子樹脂よりなる耐熱弾性層7を設ける工程と、前記工程で形成された耐熱弾性層7上の全面に熱可塑性高分子樹脂よりなる接着層8を設ける工程より成るものである。
【0021】
又上質紙の基層1上に剥離性樹脂層2を設けて基体シート3を形成し、該基体シート3上に白色顔料及び高分子樹脂の混合物を含有して成る所望形状の図柄模様兼白色隠蔽層9(基体シート3上の適宜位置の上面または基体シート3上の全表面)を設け、又更に図柄模様兼白色隠蔽層9上の全面に結晶性の高い結晶性高分子樹脂より成る遮蔽層6を設け、且又遮蔽層6上の全面に高分子樹脂よりなる耐熱弾性層7を設け、又耐熱弾性層7上の全面に熱可塑性高分子樹脂よりなる接着層8を設けたものである。
【0022】
又上質紙の基層1上に剥離性樹脂層2を設けて基体シート3を形成する工程と、前記工程により形成された基体シート3上に白色顔料及び高分子樹脂の混合物を含有して成る所望形状の図柄模様兼白色隠蔽層9を設ける工程と、前記工程で形成された図柄模様兼白色隠蔽層9上の全面に結晶性の高い結晶性高分子樹脂より成る遮蔽層6を設ける工程と、前記工程で形成された遮蔽層6上の全面に高分子樹脂よりなる耐熱弾性層7を設ける工程と、前記工程で形成された耐熱弾性層7上の全面に熱可塑性高分子樹脂よりなる接着層8を設ける工程より成るものである。
【0023】
又更に基体シート3は、離型層を設けたポリエステルフィルム及び離型紙の従来の転写用として用いられているものである。
【0024】
図柄模様層4は、従来の熱反転式転写捺染シートに用いられる顔料、高分子弾性樹脂及び溶媒等を配合した印刷インキ及びコーティング剤等を使用し、これらに適した孔版、平版、凸版、凹版の直接、転写印刷法等各種加工方法を用いて形成するもので基体シート3上の適宜位置の上面または基体シート3上の全表面に形成したものである。
【0025】
白色隠蔽層5は、従来の熱反転式転写捺染シートに用いられる酸化チタン等の白色顔料,高分子弾性樹脂及び溶媒等を配合した印刷インキ及びコーティング剤等を使用し、これらに適した孔版、平版、凸版、凹版の直接、転写印刷法等各種加工方法を用いて形成するもので、図柄模様層4が隠蔽力を有していても、色表現性を重視している場合には、隠蔽力が大部分の配色において不足しているため、白色隠蔽層5を形成するものである。
【0026】
又白色の熱反転式転写捺染シートを形成する場合には、白色隠蔽層5と図柄模様層4と共通化した図柄模様兼白色隠蔽層9のみを加工すれば良い。
【0027】
又一般的に高分子樹脂は、熱可塑性樹脂と熱硬化性樹脂に分類され、熱可塑性樹脂は、ポリアミド、セルロース誘導体及び線状ポリエステル等の結晶性高分子と、ポリスチレン、ポリメタクリル酸メチル及びポリカーボネート等の無定型高分子に分類される。
【0028】
又、これらの性質には、構成高分子の分子間力、結晶性、剛性等が大きく影響する。分子間凝集エネルギーの小さいものはゴム、中間の物はプラスチック、大きいものは繊維という傾向を示す。結晶部分が増大すると、硬さ、引っ張り強さ、脆さ及び耐化学薬品性等が増大し、非結晶部分が増大すると、伸び、柔軟性、水分吸収性、化学反応性及び染料吸収性が増大する。
【0029】
通常、転写マーク形成材料として使用される、ポリアミド、ポリスチレン及び線状ポリエステル等の高分子樹脂は、熱可塑性樹脂に分類されるが、ポリスチレンは無定型高分子であり、ポリアミドは共重合によって結晶化度を下げて使用される等、結晶性が無いか、結晶性の低い状態としているものを使用しているものである。
【0030】
ところで、遮蔽層6の材料として、結晶性の高い結晶性高分子樹脂を使用するもので、即ち結晶性の高い結晶性高分子樹脂としては、酢酸セルローズ、ニトロセルローズ、メチルセルローズ等の各種セルローズ誘導体、セルローズ、飽和線状ポリエステル、ポリアミドの中でも共重合体ではないもの等、結晶部分の比率が高く、分子間凝集エネルギーの高いものを使用するものである。
【0031】
なお、メラミン樹脂、エポキシ樹脂、不飽和ポリエステル樹脂及び尿素樹脂等の熱硬化性樹脂は、反応性官能基による共有結合により三次元架橋するため、成形後非常に硬い。このため、転写マーク成形時には主材料として使用せず、熱可塑性樹脂の各種堅牢度向上のために、架橋剤として添加することの方が一般的である。
【0032】
又熱硬化性樹脂は、低い結晶性の熱可塑性樹脂に架橋剤として添加することにより、高い結晶性の熱可塑性樹脂と同等の性質が得られることがある。
【0033】
しかし、熱硬化性樹脂の中には、ポリウレタン発泡体、変性メラミン樹脂及び変性エポシキ樹脂等、共重合、共縮合等の合成方法により熱可塑性の構造単位を含むものには、高い結晶性を持つ熱可塑性樹脂と、類似の性質が得られるものもある。
【0034】
遮蔽層6は、結晶性の高い結晶性高分子樹脂及び溶媒等を配合した印刷インキ及びコーティング剤等を使用し、これらに適した孔版、平版、凸版、凹版の直接、転写印刷法、静電転写、吹き付け等の特殊印刷法等の各種印刷加工方法、もしくは結晶性の高い結晶性高分子樹脂粉末の散布塗布及び静電塗布等の各種コーティング加工方法等を用いて形成する。大部分の結晶性の高い結晶性高分子樹脂は無色透明もしくは白色半透明であるため、光の透過量は多い。このため、白色隠蔽層5の隠蔽力が不足している場合には、下地が透けて見えることもある。このような場合には、白色顔料もしくはその補色でおる黒色顔料等の顔料を遮蔽層6の形成材料に添加し、隠蔽力不足を補うものである。
【0035】
耐熱弾性層7は、耐熱性高分子樹脂及び溶媒等を配合した印刷インキ及びコーティング剤等を使用し、これらに適した孔版、平版、凸版、凹版の直接、転写印刷法等、各種印刷加工方法を用いて形成するが、結晶性の高い結晶性高分子樹脂より成る遮蔽層6は、その高結晶性故に、硬く、脆い層を形成することが多く、 転写捺染時における遮蔽層6の保護のための充分な弾性を有した層を得るために図柄模様層4、もしくは白色隠蔽層5よりも厚みある加工が望ましい。
【0036】
又必要な耐熱性は、通常高分子弾性樹脂により形成された熱反転式転写捺染生地の転写加工に使用される200℃まで溶融・流動しない耐熱性を有していることが望ましいが、接着層8の溶融温度及び転写条件によっては、転写温度まで溶融・流動しない程度の耐熱性を有していれば良い。
【0037】
なお、耐熱弾性層7は、転写加工時の加圧・加熱操作による生地表面の凹凸部分で発生する局所的な圧力差を拡散、吸収し、結晶性の高い結晶性高分子樹脂層の断裂を防止するものであり、又遮蔽層6を形成した結晶性の高い結晶性高分子樹脂は、水素結合を行うための極性基を多量に有するため耐水性に劣るものもあり、これらの樹脂を使用した場合に、裏面からの水の浸透を防ぎ、耐洗濯性の低下を防止するものである。
【0038】
又耐熱弾性層7の材料には、熱可塑性高分子樹脂に硬化剤・架橋剤と呼ばれる熱硬化性樹脂を配合することにより耐熱性を向上させ、転写温度までの耐熱性を保持するようにするものである。熱可塑性高分子樹脂の一部には、転写温度までの耐熱性を弾性を単独で保持するものもある。また、熱硬化性樹脂の中にも、ポリウレタンプレポリマー及び共重合、共縮合等の合成方法により熱可塑性の構造単位を含む変性樹脂類等、弾性を有するものも一部有り、これらは耐熱性高分子樹脂として使用しても良い。
【0039】
接着層8は、耐熱弾性層7を形成後、耐熱弾性層7の表面が濡れているとき、または粘着性を示すとき、粒子状のホットメルトパウダーと呼ばれる熱可塑性樹脂の接着剤を散布あるいは静電的付着による塗布加工を行い形成するもので、乾燥処理後、耐熱弾性層7以外の部分に付着した余剰の接着剤を除去し、転写捺染生地製品11とするものである。接着剤付着性能の低い耐熱弾性層7を形成した場合、接着剤が耐熱弾性樹脂から分離する場合もあるが、その場合には加熱処理操作を行い、接着剤を溶融させて接着剤を耐熱弾性層7へ強固に付着させるものである。
【0040】
ホットメルトパウダーの粒子径は、1〜500マイクロメートルの幅広い粒度のものが使用可能であるが、80〜200マイクロメートル程度の粒度のものが接着力及び風合い等のバランスが良い。大きな粒度のホットメルトパウダーを選択した場合、耐熱弾性層7の表面が濡れている間にホットメルトパウダーを塗布するため、ホットメルトパウダーが耐熱弾性層7内に食い込み、耐熱弾性層7の寸断を引き起こす場合があるため、耐熱弾性層7形成用加工材料にあわせて最適な粒度を選択する必要がある。小さな粒度のホットメルトパウダーを選択した場合、被転写生地12の種類によっては接着剤の供給量不足を起こすことがあり、転写捺染を行う被転写生地12の繊維素材の種類、単繊維形状、糸の種類、織り方の種類、後加工の種類及び転写条件によって最適な粒度を選択する必要がある。
【0041】
又他の接着層8の形成方法として、印刷インキ及びコーティング剤等の形状に配合したものを使用し、加工できる。これらは、熱可塑性樹脂を溶剤に溶解したもの、熱可塑性樹脂をミセル状に溶媒に分散したもの、粉末状の熱可塑性樹脂を水等の溶媒に分散したもの、熱可塑性樹脂を熱溶融したもの等、従来の接着剤を使用し、孔版印刷、凹版印刷等の印刷法及び吹き付け、加熱押し出し等のコーティング法等、各種加工形態の中から選択して加工できる。
【0042】
なお、接着層8は、耐熱弾性層7に接着効果を持たせる必要がないようにし、弾性層としての効果を最大限に発揮させるものであり、又耐熱弾性層7と接着層8を共有する接着剤加工方法よりも、接着剤の供給量を多くすることにより、転写時の加圧力を最小限にとどめた転写を安定して行えるようにするものである。
【0043】
この様にして得られた熱反転式転写捺染生地製品10を図柄模様層4又は図柄模様兼白色隠蔽層9を基体シート3に点在して設けた場合は図7に図示したように切断して所望の転写生地片11として形成し、又図柄模様層4又は図柄模様兼白色隠蔽層9を基体シート3の全面に設けた場合は使用者の好みに応じた形状に切断した転写生地片11として形成し、乾式転写捺染生地である被転写生地12に適用し、転写捺染マーク13を形成するものである。
【0044】
よって、昇華性染料は、図13及び図16に図示したように遮蔽層6により遮蔽され、下地柄の視認は非常に困難なものとなるため、充分な性能が発揮されるものであると共に接着性、対摩擦性、耐洗濯性、耐光性、耐熱性、貯蔵中昇華に対する耐昇華性等の諸堅牢度が優れた転写捺染マーク13を得ることが可能となったものである。
【0045】
ところで第1、第2及び第3の実施例に付いて説明すると下記の通りである。<実施例1>
基体シート3としてポリエステルフィルムシート(基層1)の両面にアクリル樹脂マットコーティング(剥離性樹脂層2)を施し、水系ウレタン系樹脂バインダー100部、水分散黄色顔料6部とからなる樹脂バインダーより、スクリーン印刷法を用いて黄色着色反転数字模様柄層(図柄模様層4)を形成、また黄色着色反転数字模様柄層を形成した部分の全面を、酸化チタン白色顔料を含有する水系アクリル系樹脂白色バインダー使用し、スクリーン印刷法を用いて覆い、白色隠蔽層5を形成した。
【0046】
この白色隠蔽層5上に、溶剤系セルロースインキに黒色顔料を配合した印刷インキを使用し、スクリーン印刷法を用いて遮蔽層6を形成した。
【0047】
また水系アクリル系樹脂バインダーを耐熱弾性層7として、スクリーン印刷法により遮蔽層6上に加工すると共に、80マイクロメートルから200マイクロメートルの粒度範囲の共重合ナイロンホットメルトパウダーを耐熱弾性層7が濡れているうちに散布付着させて接着層8とし、乾燥処理後余剰のホットメルトパウダーを除去し、140℃で熱処理を行い熱反転式転写捺染シート製品10を形成し、更に図7で図示したように切断して転写シート片11を形成した。
【0048】
次にこの転写シート片11を熱転写機の転写下台上に置いた青色及び黒色乾式転写捺染染色された青黒ストライプ柄ポリエステル生地(被転写生地12)の上に設置し、150℃、圧力250グラム/ヘイホウセンチメートルで15秒間ヒートプレスを行い転写生地片11を熱接着した後、基体シート3を剥離除去し、黄色数字模様柄である転写捺染マーク13を形成した。
【0049】
このようにして得られた黄色数字模様柄入り青黒ストライプ柄ポリエステル生地は、青黒ストライプ柄に対する黄色数字模様柄部分の隠蔽性は極めて大であり、接着性、耐洗濯性、貯蔵中昇華に対する耐昇華性等の諸堅牢度も極めて優れたものであった。
<実施例2>
基体シート3としてポリエステルフィルムシート(基層1)の両面にアクリル樹脂マットコーティング(剥離性樹脂層2)を施し、水系ウレタン系樹脂バインダー100部、水分散青色顔料2部とからなる樹脂バインダーより、スクリーン印刷法を用いて全面青色着色柄層(図柄模様層4)を形成、また全面青色着色層を形成した部分の全面を、酸化チタン白色顔料を含有する水系アクリル系樹脂白色バインダー使用し、スクリーン印刷法を用いて覆い、白色隠蔽層5を形成した。
【0050】
この白色隠蔽層5上の全面に、前記の水系アクリル樹脂バインダーを再度スクリーン印刷法を用いて覆い、水系アクリル樹脂層が濡れている間に、飽和ポリエステル樹脂に白色顔料を配合し、エポキシ樹脂を架橋剤として少量添加した混合物を冷凍粉砕した、0マイクロメートルから160マイクロメートルの粒度範囲の微粉末である粉体塗装用パウダーを散布付着させ、乾燥処理後余剰のパウダーを除去し、160℃で熱処理を行うことにより遮蔽層6を形成した。
【0051】
また水系ウレタン系樹脂バインダー100部に、エポキシ樹脂を1部架橋剤として添加したものを耐熱弾性層7として、スクリーン印刷法により遮蔽層6上の全面に加工すると共に、80マイクロメートルから200マイクロメートルの粒度範囲の共重合ナイロンホットメルトパウダーを耐熱弾性層7が濡れているうちに散布付着させて接着層8とし、乾燥処理後余剰のホットメルトパウダーを除去し、140℃で熱処理を行い熱反転式転写捺染シート製品10を形成した。
【0052】
次にこの熱反転式転写捺染シート製品10を例えば図11に図示しているように三角形状にカッティングして転写シート片11とし、カッティングした三角形状の転写シート片11を熱転写機の転写下台上に置いた赤色及び黒色乾式転写捺染染色された赤黒ストライプ柄ポリエステル生地(被転写生地12)の上に設置し、150℃、圧力250グラム/ヘイホウセンチメートルで15秒間ヒートプレスを行い転写シート片11を熱接着した後、基体シート3を剥離除去し、図12に図示したように青色三角模様柄である転写捺染マーク13を形成した。
【0053】
このようにして得られた青色三角模様柄入り赤黒ストライプ柄ポリエステル生地は、赤黒ストライプ柄に対する青色三角模様柄部分の隠蔽性は極めて大であり、接着性、耐洗濯性、貯蔵中昇華に対する耐昇華性等の諸堅牢度も極めて優れたものであった。
<実施例3>
基体シート3としてポリエステルフィルムシート(基層1)の両面にアクリル樹脂マットコーティング(剥離性樹脂層2)を施し、酸化チタン白色顔料を含有する水系アクリル系樹脂白色バインダーを使用し、スクリーン印刷法を用いて図14、図15に図示したように白色反転数字模様柄を(図柄模様兼白色隠蔽層9)を形成した。
【0054】
この図柄模様兼白色隠蔽層9上に、溶剤系セルロースインキに黒色顔料を配合した印刷インキを使用し、スクリーン印刷法を用いて遮蔽層6を形成した。
【0055】
また水系アクリル系樹脂バインダーを耐熱弾性層7としてスクリーン印刷法により遮蔽層6上に加工すると共に、80マイクロメートルから200マイクロメートルの粒度範囲の共重合ナイロンホットメルトパウダーを耐熱弾性層7が濡れているうちに散布付着させて接着層8とし、乾燥処理後余剰のホットメルトパウダーを除去し、140℃で熱処理を行い熱反転式転写捺染シート製品10を形成し、更に切断して転写シート片11を形成した。
【0056】
次にこの転写シート片11を青色及び黒色乾式転写捺染染色された青黒ストライプ柄ポリエステル生地(被転写生地12)の上に設置し、その上にアイロンを置き、150℃で15秒間ヒートプレスを行い転写生地片11を熱接着した後、基体フイルム3を剥離除去し、白色数字模様柄である転写捺染マーク13を形成した。
【0057】
このようにして得られた白色数字模様柄入り青黒ストライプ柄ポリエステル生地は、青黒ストライプ柄に対する白色数字模様柄部分の隠蔽性は極めて大であり、接着性、耐洗濯性、貯蔵中昇華に対する耐昇華性等の諸堅牢度も極めて優れたものであった。
【0058】
【発明の用効果】
この発明は以上のような構成であり、この様にして得られた転写捺染マーク13を乾式転写捺染生地である被転写生地12に適用すると、図13、図16に示したように移染した昇華性染料24は接着層8の量と小さな拡散速度によって遅延され、更に遮蔽層6によって遮えぎられるため、白色隠蔽層5又は図柄模様兼白色隠蔽層9まで到達する昇華性染料24は非常に微少なものとなり、視認は非常に困難なものとなるため実用充分な性能が発揮されるものである。
【0059】
又その堅牢性は、従来品のように接着力を持たない粉末多孔性物質の散布による塗布を行わないため、大であると共に隠蔽力が極めて大で、接着性、耐摩擦性、耐洗濯性、耐光性、耐熱性、貯蔵中昇華に対する耐昇華性等の諸堅牢度が極めて優れた転写捺染模様柄を得ることが可能となる。
【0060】
又耐熱弾性層7を設けたことで、転写加工時の加圧・加熱操作による生地表面の凹凸部分で発生する局所的な圧力差を拡散、吸収し、結晶性の高い結晶性高分子樹脂層の断裂を防止するものであり、又遮蔽層6を形成した結晶性の高い結晶性高分子樹は、水素結合を行うための極性基を多量に有するため耐水性に劣るものであり、これらの樹脂を使用した場合に、裏面からの水の浸透を防ぎ、耐洗濯性の低下を防止するものである。
【0061】
又耐熱弾性層7を設けると共に接着層8を明確に分離したことにより、昇華汚染堅牢度を向上させたものである等の幾多の産業的効果を奏するものである。
【図面の簡単な説明】
【図1】第1実施例の断面図である。
【図2】第1実施例の転写時の断面図である。
【図3】図2に於ける加熱器で加熱した状態を示した断面図である。
【図4】図3に於ける剥離状態を示した断面図である。
【図5】第1実施例に於ける転写後の断面図である。
【図6】第1実施例に於ける一部切欠平面図である。
【図7】裁断時の斜視図である。
【図8】第1実施例に於ける転写時の平面図である。
【図9】第1実施例に於ける転写後の平面図である。
【図10】第2実施例の断面図である。
【図11】第2実施例に於ける転写時の平面図である。
【図12】第2実施例に於ける転写後の平面図である。
【図13】第1、第2実施例の一部拡大断面図である。
【図14】第3実施例の断面図である。
【図15】第3実施例の転写時の断面図である。
【図16】第3実施例の一部拡大断面図である。
【図17乃至図20】従来例の説明図である。
【符号の説明】
1 基層
2 剥離性樹脂層
3 基体シート
4 図柄模様層
5 白色隠蔽層
6 遮蔽層
7 耐熱弾性層
8 接着層
9 図柄模様兼白色隠蔽層
10 熱反転式転写捺染シート製品
11 転写シート
12 被転写生地
13 転写捺染マーク
[0001]
[Industrial applications]
The present invention relates to a dry-transferred fabric by thermal transfer, that is, a fabric to which a large amount of unfixed dye is adhered because a washing step for removing excess unfixed dye is not performed, or a sublimable dye which is easily transferred. Reversal transfer printing that gives a clear pattern on the fabric dyed by Sheet And its manufacturing method.
[0002]
[Prior art]
Conventionally, as for transfer printing, there is generally known a method of processing a part of a disperse dye on transfer paper base paper by a printing method or the like, and performing dry transfer printing on polyester fiber by heating and pressing.
[0003]
In addition, there are a method using a slightly modified cationic dye, a method using a dye such as a reactive disperse dye, and a method using a pigment resin color.
[0004]
The methods using dyes are classified into a dry method and a wet method.
[0005]
However, the dry method using a disperse dye is frequently used for polyester fiber cloth and occupies the mainstream of the transfer printing method, and is estimated to account for about 90% of the number of transfer printing in Japan.
[0006]
As the target fiber, in addition to polyester, it is applied to chemical fibers such as nylon and triacetate, natural fibers and blended / mixed fibers, but very few.
[0007]
In addition, the disperse dye for polyester used in dry transfer printing has sublimability and transferability (diffusion), etc., and has a large / small diffusion rate and good levelness according to the application and processing method. It is selected by examining various properties such as poor and sublimability large and small.
[0008]
Also, as shown in FIGS. 17 and 18, a base sheet 21, a releasable resin layer 22 coated on the base sheet 21, and a pattern printed in a desired shape on the releasable resin layer 22. A pattern layer 23 containing a mixture of a pigment and a polymer elastic resin, and an adsorption layer 24 containing a porous substance 25, which is coated on the entire surface of the pattern layer 23. A transfer printing sheet 26 is known which can be transferred to the material 12 to be transferred by applying pressure and heat (see Japanese Patent Publication No. 60-25556).
[0009]
[Problems to be solved by the invention]
By the way, conventionally, when performing partial transfer printing with a heat reversal transfer printing sheet, a polymer elastic resin is generally used to improve the texture, but when applied to a dry transfer printed fabric The transferability of the sublimable dye to the polymer elastic resin is large.
[0010]
Further, the sublimation dye transferred to the polymer elastic resin also had a large resin internal diffusivity, and the robustness against sublimation contamination was insufficient.
[0011]
The transfer printing sheet known in Japanese Patent Publication No. 60-25556 shown in FIGS. 17 and 18 is a printing dyed by a direct printing method in which a washing step is performed to remove excess unfixed dye. When applied to the transferred fabric 12 which is a dry transfer printing fabric without being applied to the polyester fabric, a large amount of unfixed dye adheres because a washing process for removing excess unfixed dye is not performed. However, when dyed with a sublimable dye which is easily transferred, there is a disadvantage that sufficient fastness to sublimation stain cannot be obtained. That is, in order to perform a pressurizing / heating operation at the time of transfer, the dyed fibers of the transferred fabric 12 bite into the adsorption layer 24 of the transfer printing sheet 26 to widen the interval between the porous materials 25, thereby expanding the expanded porous material. 25, the transferred sublimable dye 24 diffuses to the upper layer of the pattern layer 23, and sublimation contamination occurs as shown in FIG.
[0012]
This is because the adsorbing layer 24 is formed using solid powder as the porous substance 25, so that it is applied by spray coating while the printing ink or the like is wet, or by a printing method in a state where the porous substance 25 is mixed with the resin ink. When processing is performed by coating or the like, it is difficult to form the adsorption layer 24 through which extremely fine sublimable dye molecules do not pass.
[0013]
Further, the pressing force at the time of the transfer causes the fibers of the transferred material 12 to bite, and the adsorption layer 24 is deformed, so that the interval between the porous substances 25, 25 is increased.
[0014]
Therefore, the sublimable dye permeates through the gaps between the porous substances 25, 25, and sublimation contamination occurs in the upper layer of the design pattern layer 23.
[0015]
In addition, when applied to the transferred material 12 to which adhesion is difficult, in order to improve the adhesion of the adsorption layer 24, transfer may be performed by applying a further pressing force. In such a case, sublimation contamination further proceeds, The vivid design pattern layer 23 cannot be formed, and becomes completely unsuitable as shown in FIG.
[0016]
The present invention solves the above-mentioned problems, and prints a design pattern on a transfer-receiving cloth 12 which is a dry-type transfer printing cloth by a relatively simple operation of pressurizing and heating. Reversible transfer printing with excellent fastness such as durability, washing resistance, light resistance, heat resistance, and sublimation resistance to sublimation during storage. Sheet And a method for producing the same.
[0017]
[Means for solving the problem]
In order to achieve the above object, the present invention provides a base sheet 3 by providing a releasable resin layer 2 on a base layer 1 of high quality paper, and the base sheet 3 contains a mixture of a pigment and a polymer resin. Is provided, and a white concealing layer 5 containing a mixture of a white pigment and a polymer resin is provided on the entire surface of the pattern conceived layer 4. A shielding layer 6 made of a crystalline polymer resin having high crystallinity, a heat-resistant elastic layer 7 made of a polymer resin provided on the entire surface of the shielding layer 6, and a thermoplastic layer formed on the entire surface of the heat-resistant elastic layer 7. An adhesive layer 8 made of a polymer resin is provided. The manufacturing method includes a step of forming a base sheet 3 by providing a releasable resin layer 2 on a base layer 1 of high-quality paper, and a step of forming a base sheet formed by the above-described step. A sheet of a desired shape comprising a mixture of a pigment and a polymer resin on a sheet 3 Providing a pattern pattern layer 4; providing a white concealing layer 5 containing a mixture of a white pigment and a polymer resin on the entire surface of the pattern pattern layer 4 formed in the above step; Providing a shielding layer 6 made of a crystalline polymer resin having high crystallinity on the entire surface of the white concealing layer 5, and a heat-resistant elastic layer 7 made of a polymer resin on the entire surface of the shielding layer 6 formed in the above step. And a step of providing an adhesive layer 8 made of a thermoplastic polymer resin on the entire surface of the heat-resistant elastic layer 7 formed in the above step.
[0018]
The present invention further provides a base sheet 3 having a releasable resin layer 2 provided on a base layer 1 of high quality paper, and a base sheet 3 having a desired shape comprising a mixture of a white pigment and a polymer resin. A pattern / white concealing layer 9 is provided. Further, a shielding layer 6 made of a crystalline polymer resin having high crystallinity is provided on the entire surface of the pattern / white concealing layer 9. A heat-resistant elastic layer 7 made of a molecular resin is provided, and an adhesive layer 8 made of a thermoplastic polymer resin is provided on the entire surface of the heat-resistant elastic layer 7. Forming a base sheet 3 by providing a resin layer 2; and forming a pattern / white hiding layer 9 having a desired shape containing a mixture of a white pigment and a polymer resin on the base sheet 3 formed in the above step. The providing step, and the pattern and the white hiding layer 9 formed in the above step; A step of providing a shielding layer 6 made of a crystalline polymer resin having high crystallinity on the entire surface, a step of providing a heat-resistant elastic layer 7 made of a polymeric resin on the entire surface of the shielding layer 6 formed in the above step, And a step of providing an adhesive layer 8 made of a thermoplastic polymer resin on the entire surface of the heat-resistant elastic layer 7 formed by the above step.
[0019]
【Example】
Referring to the drawings, an embodiment of the present invention will be described. A base sheet 3 is formed by providing a releasable resin layer 2 on a base layer 1 of high quality paper, and the base sheet 3 contains a mixture of a pigment and a polymer resin. (A top surface at an appropriate position on the base sheet 3 or the entire surface on the base sheet 3) having a desired shape, and a mixture of a white pigment and a polymer resin is further included on the entire surface of the design pattern layer 4. And a shielding layer 6 made of a crystalline polymer resin having high crystallinity is provided on the entire surface of the white shielding layer 5. The heat-resistant elastic layer 7 is provided, and an adhesive layer 8 made of a thermoplastic polymer resin is provided on the entire surface of the heat-resistant elastic layer 7.
[0020]
A step of forming a base sheet 3 by providing a releasable resin layer 2 on a base layer 1 of high-quality paper; and a step of forming a base sheet 3 formed by the above-mentioned step, containing a mixture of a pigment and a polymer resin. Providing a pattern hiding layer 5 containing a mixture of a white pigment and a polymer resin on the entire surface of the pattern design layer 4 formed in the above step; Providing a shielding layer 6 made of a crystalline polymer resin having high crystallinity on the entire surface of the formed white concealing layer 5, and a heat-resistant elastic layer made of a polymer resin on the entire surface of the shielding layer 6 formed in the above step. 7 and a step of providing an adhesive layer 8 made of a thermoplastic polymer resin over the entire surface of the heat-resistant elastic layer 7 formed in the above step.
[0021]
Further, a base sheet 3 is formed by providing a releasable resin layer 2 on a base layer 1 of high-quality paper, and a pattern and a white concealment of a desired shape comprising a mixture of a white pigment and a polymer resin on the base sheet 3. A layer 9 (an upper surface at an appropriate position on the base sheet 3 or the entire surface on the base sheet 3); 6, a heat-resistant elastic layer 7 made of a polymer resin is provided on the entire surface of the shielding layer 6, and an adhesive layer 8 made of a thermoplastic polymer resin is provided on the entire surface of the heat-resistant elastic layer 7. .
[0022]
Further, a step of forming a base sheet 3 by providing a releasable resin layer 2 on a base layer 1 of high quality paper, and a method of forming a base sheet 3 formed by the above-described step, containing a mixture of a white pigment and a polymer resin. A step of providing a pattern and white hiding layer 9 having a shape, and a step of providing a shielding layer 6 made of a crystalline polymer resin having high crystallinity on the entire surface of the pattern and white hiding layer 9 formed in the above step; Providing a heat-resistant elastic layer 7 made of a polymer resin on the entire surface of the shielding layer 6 formed in the above step, and an adhesive layer made of a thermoplastic polymer resin on the entire surface of the heat-resistant elastic layer 7 formed in the above step 8 is provided.
[0023]
Further, the base sheet 3 is used for conventional transfer of a polyester film provided with a release layer and a release paper.
[0024]
The pattern pattern layer 4 is formed by a conventional heat reversal transfer printing. Sheet Forming using various printing methods such as stencil, lithographic, letterpress, intaglio, direct printing, transfer printing, etc., using printing ink and coating agent, etc., blended with pigments, polymer elastic resins and solvents used for It is formed on the upper surface at an appropriate position on the base sheet 3 or on the entire surface on the base sheet 3.
[0025]
The white hiding layer 5 is formed by a conventional heat reversal transfer printing. Sheet Printing inks and coating agents containing white pigments such as titanium oxide, polymer elastic resins, solvents, etc., used for stencils. Various processes such as stencil, lithographic, letterpress, intaglio printing, transfer printing, etc. suitable for these. Even if the design pattern layer 4 has a hiding power, if the color expression is emphasized, the hiding power is insufficient in most of the color schemes. The concealing layer 5 is formed.
[0026]
In addition, white thermal reversal transfer printing Sheet Is formed, only the pattern / white concealing layer 9 shared with the white concealing layer 5 and the pattern / pattern layer 4 may be processed.
[0027]
In general, polymer resins are classified into thermoplastic resins and thermosetting resins. Thermoplastic resins include crystalline polymers such as polyamides, cellulose derivatives and linear polyesters, and polystyrene, polymethyl methacrylate and polycarbonate. And the like.
[0028]
Further, these properties are greatly affected by the intermolecular force, crystallinity, rigidity, and the like of the constituent polymer. Those having a small intermolecular cohesive energy tend to be rubber, those having an intermediate molecular tend to be plastic, and those having a large intermolecular cohesive energy tend to be fibers. Increasing the crystalline portion increases hardness, tensile strength, brittleness, chemical resistance, etc., and increasing the non-crystalline portion increases elongation, flexibility, moisture absorption, chemical reactivity, and dye absorption. I do.
[0029]
Usually, polymer resins such as polyamide, polystyrene and linear polyester used as a transfer mark forming material are classified as thermoplastic resins.Polystyrene is an amorphous polymer, and polyamide is crystallized by copolymerization. A material having no crystallinity or a state of low crystallinity, such as being used at a reduced degree, is used.
[0030]
By the way, a crystalline polymer resin having high crystallinity is used as the material of the shielding layer 6, that is, as the crystalline polymer resin having high crystallinity, various cellulose derivatives such as cellulose acetate, nitrocellulose, and methylcellulose are used. Among them, those having a high ratio of crystal parts and high intermolecular cohesive energy, such as non-copolymers among cellulose, saturated linear polyester and polyamide, are used.
[0031]
Note that thermosetting resins such as melamine resins, epoxy resins, unsaturated polyester resins, and urea resins are very hard after molding because they are three-dimensionally cross-linked by covalent bonds with reactive functional groups. For this reason, it is more common to not use it as a main material at the time of forming a transfer mark, but to add it as a cross-linking agent in order to improve the various robustness of the thermoplastic resin.
[0032]
Further, by adding a thermosetting resin as a cross-linking agent to a low-crystalline thermoplastic resin, properties similar to those of a high-crystalline thermoplastic resin may be obtained.
[0033]
However, among thermosetting resins, polyurethane foams, modified melamine resins and modified epoxy resins, etc., which contain thermoplastic structural units by a synthesis method such as copolymerization and co-condensation, have high crystallinity. Some have similar properties to thermoplastic resins.
[0034]
The shielding layer 6 is made of a printing ink and a coating agent containing a crystalline polymer resin having a high crystallinity and a solvent, etc., and is suitable for stencil, lithographic, letterpress, intaglio, transfer printing, electrostatic printing, and the like. It is formed by various printing processing methods such as a special printing method such as transfer and spraying, or various coating processing methods such as spray coating and electrostatic coating of a crystalline polymer resin powder having high crystallinity. Most of the crystalline polymer resins having high crystallinity are colorless and transparent or white and translucent, and therefore have a large light transmission amount. For this reason, when the hiding power of the white hiding layer 5 is insufficient, the base may be seen through. In such a case, a pigment such as a white pigment or a black pigment having a complementary color thereof is added to the material for forming the shielding layer 6 to compensate for the lack of hiding power.
[0035]
The heat-resistant elastic layer 7 uses a printing ink and a coating agent containing a heat-resistant polymer resin and a solvent, etc., and various printing processing methods such as stencil, lithographic, letterpress, intaglio direct, transfer printing and the like suitable for these. The shielding layer 6 made of a crystalline polymer resin having high crystallinity often forms a hard and brittle layer due to its high crystallinity, and is used to protect the shielding layer 6 during transfer printing. In order to obtain a layer having sufficient elasticity, it is desirable that the processing be thicker than the pattern layer 4 or the white hiding layer 5.
[0036]
The necessary heat resistance is preferably such that it does not melt and flow up to 200 ° C., which is usually used for transfer processing of a heat reversible transfer printing fabric formed of a polymer elastic resin. Depending on the melting temperature and the transfer conditions of No. 8, it is only necessary to have heat resistance that does not melt and flow up to the transfer temperature.
[0037]
The heat-resistant elastic layer 7 diffuses and absorbs a local pressure difference generated in the uneven portion of the fabric surface due to the pressurizing and heating operations during the transfer process, and breaks the crystalline polymer resin layer having high crystallinity. The crystalline polymer resin having high crystallinity which forms the shielding layer 6 has a large amount of polar groups for performing hydrogen bonding and thus has poor water resistance. In this case, water is prevented from penetrating from the back surface, and a decrease in washing resistance is prevented.
[0038]
The heat-resistant elastic layer 7 is made of a thermoplastic polymer resin mixed with a thermosetting resin called a curing agent or a cross-linking agent to improve heat resistance and maintain heat resistance up to the transfer temperature. Things. Some of the thermoplastic polymer resins retain the heat resistance up to the transfer temperature solely by elasticity. Some thermosetting resins also have elasticity, such as polyurethane prepolymers and modified resins containing thermoplastic structural units by a synthesis method such as copolymerization or co-condensation. It may be used as a polymer resin.
[0039]
After the heat-resistant elastic layer 7 is formed, when the surface of the heat-resistant elastic layer 7 is wet or shows tackiness, the adhesive layer 8 is sprayed with a thermoplastic resin adhesive called hot melt powder or statically dispersed. It is formed by applying a coating process by electrical adhesion. After drying, excess adhesive adhering to portions other than the heat-resistant elastic layer 7 is removed to obtain a transferred textile product 11. When the heat-resistant elastic layer 7 having a low adhesive property is formed, the adhesive may be separated from the heat-resistant elastic resin. In such a case, a heat treatment operation is performed to melt the adhesive and to heat the adhesive. It is to adhere firmly to the layer 7.
[0040]
As the particle size of the hot melt powder, those having a wide particle size of 1 to 500 μm can be used, but those having a particle size of about 80 to 200 μm have a good balance of adhesive strength and feeling. When a hot-melt powder having a large particle size is selected, the hot-melt powder is cut into the heat-resistant elastic layer 7 because the hot-melt powder is applied while the surface of the heat-resistant elastic layer 7 is wet. Therefore, it is necessary to select an optimum particle size according to the processing material for forming the heat-resistant elastic layer 7. When a hot-melt powder having a small particle size is selected, the supply amount of the adhesive may be insufficient depending on the type of the material 12 to be transferred, and the type of fiber material, the shape of a single fiber, and the yarn of the material 12 to be transferred and printed. It is necessary to select an optimal particle size according to the type of the material, the type of the weaving method, the type of the post-processing, and the transfer conditions.
[0041]
Further, as another method of forming the adhesive layer 8, it is possible to use a material mixed into a shape such as a printing ink and a coating agent and process it. These are those in which a thermoplastic resin is dissolved in a solvent, those in which a thermoplastic resin is dispersed in a solvent in the form of micelles, those in which a powdery thermoplastic resin is dispersed in a solvent such as water, and those in which a thermoplastic resin is thermally melted. Using a conventional adhesive, it can be processed by selecting from various processing forms such as a printing method such as stencil printing and intaglio printing, and a coating method such as spraying and heat extrusion.
[0042]
The adhesive layer 8 eliminates the need to provide the heat-resistant elastic layer 7 with an adhesive effect and maximizes the effect as an elastic layer. The adhesive layer 8 is shared with the heat-resistant elastic layer 7. By increasing the supply amount of the adhesive as compared with the adhesive processing method, it is possible to stably perform the transfer while minimizing the pressing force during the transfer.
[0043]
When the heat reversible transfer printing fabric product 10 thus obtained is provided with the pattern layer 4 or the pattern / white hiding layer 9 interspersed on the base sheet 3, it is cut as shown in FIG. When the pattern layer 4 or the pattern / white hiding layer 9 is provided on the entire surface of the base sheet 3, the transfer material piece 11 cut into a shape according to the user's preference. This is applied to the transfer-receiving cloth 12 which is a dry-type transfer printing cloth to form a transfer printing mark 13.
[0044]
Therefore, the sublimable dye is shielded by the shielding layer 6 as shown in FIGS. 13 and 16, and it is very difficult to see the underlying pattern. This makes it possible to obtain a transfer printing mark 13 excellent in various fastnesses such as resistance, friction resistance, washing resistance, light resistance, heat resistance, and sublimation resistance to sublimation during storage.
[0045]
The first, second and third embodiments will be described below. <Example 1>
An acrylic resin mat coating (peelable resin layer 2) is applied to both sides of a polyester film sheet (base layer 1) as a base sheet 3, and a screen is formed from a resin binder composed of 100 parts of an aqueous urethane resin binder and 6 parts of a water-dispersed yellow pigment. An aqueous acrylic resin white binder containing a titanium oxide white pigment is formed by forming a yellow colored inverted numeral pattern layer (pattern pattern layer 4) using a printing method. This was used and covered using a screen printing method to form a white hiding layer 5.
[0046]
The shielding layer 6 was formed on the white hiding layer 5 by using a printing ink in which a black pigment was blended with a solvent-based cellulose ink and using a screen printing method.
[0047]
A water-based acrylic resin binder is used as the heat-resistant elastic layer 7 to process the shielding layer 6 by a screen printing method, and the heat-resistant elastic layer 7 is wetted with a copolymerized nylon hot melt powder having a particle size range of 80 to 200 μm. While drying, adhesive layer 8 is formed, and after the drying treatment, excess hot melt powder is removed, and heat treatment is performed at 140 ° C. to perform thermal reversal transfer printing. Sheet Form product 10 and cut and transfer as shown in FIG. Sheet Piece 11 was formed.
[0048]
Then this transcription Sheet The piece 11 was placed on a blue-black stripe-patterned polyester fabric (transferred fabric 12) dyed with blue and black dry transfer printing and dyed on a transfer lower stage of a thermal transfer machine, and was heated at 150 ° C. and a pressure of 250 g / Heihou centimeter. After performing heat press for 15 seconds to thermally bond the transfer cloth pieces 11, the base sheet 3 was peeled off and removed to form a transfer printing mark 13 as a yellow numeral pattern.
[0049]
The thus-obtained blue-black stripe-patterned polyester fabric with a yellow numeral pattern has an extremely large concealing property of the yellow numeral pattern portion with respect to the blue-black stripe pattern, and has an adhesive property, washing resistance, and sublimation resistance against sublimation during storage. Various fastnesses such as properties were also extremely excellent.
<Example 2>
An acrylic resin mat coating (peelable resin layer 2) is applied to both sides of a polyester film sheet (base layer 1) as a base sheet 3, and a screen is formed from a resin binder composed of 100 parts of an aqueous urethane resin binder and 2 parts of a water-dispersed blue pigment. Using a printing method, a blue colored pattern layer (pattern pattern layer 4) is entirely formed, and the entire surface of the portion where the blue colored layer is formed is screen-printed using an aqueous acrylic resin white binder containing a titanium oxide white pigment. Covering was carried out by the method to form a white hiding layer 5.
[0050]
The water-based acrylic resin binder is again covered by the screen printing method on the entire surface of the white hiding layer 5, and while the water-based acrylic resin layer is wet, a saturated polyester resin is mixed with a white pigment, and the epoxy resin is mixed. A mixture added in a small amount as a cross-linking agent is freeze-pulverized, and powder coating powder, which is a fine powder having a particle size range of 0 to 160 μm, is sprinkled and adhered, and after drying, excess powder is removed. The heat treatment was performed to form the shielding layer 6.
[0051]
In addition, 100 parts of an aqueous urethane-based resin binder and one part of an epoxy resin added as a cross-linking agent are processed as a heat-resistant elastic layer 7 over the entire surface of the shielding layer 6 by a screen printing method. While the heat-resistant elastic layer 7 is wet, the copolymerized nylon hot-melt powder is sprayed and adhered to the adhesive layer 8 to remove the excess hot-melt powder after the drying treatment. Type transfer printing Sheet Product 10 was formed.
[0052]
Next, this thermal reversal transfer printing Sheet Transfer the product 10 by cutting it into a triangular shape as shown in FIG. 11, for example. Sheet Triangular transfer cut into pieces 11 Sheet The piece 11 was placed on a red and black dry-transfer-printed and dyed red-black stripe-patterned polyester fabric (transfer fabric 12) placed on a transfer lower stage of a thermal transfer machine at 150 ° C. and a pressure of 250 g / Heihou centimeter. Heat press for 15 seconds and transfer Sheet After the pieces 11 were thermally bonded, the base sheet 3 was peeled off and removed to form a transfer printing mark 13 having a blue triangular pattern as shown in FIG.
[0053]
The thus obtained red-black stripe-patterned polyester fabric with a blue triangular pattern has an extremely large opacity of the blue triangular-pattern pattern portion with respect to the red-black stripe pattern, adhesiveness, washing resistance, and sublimation resistance against sublimation during storage. Various fastnesses such as properties were also extremely excellent.
<Example 3>
An acrylic resin mat coating (peelable resin layer 2) is applied to both sides of a polyester film sheet (base layer 1) as a base sheet 3, and an aqueous acrylic resin white binder containing a titanium oxide white pigment is used, and screen printing is used. As shown in FIGS. 14 and 15, a white inverted numeral pattern was formed (a pattern and white hiding layer 9).
[0054]
The shielding layer 6 was formed on the pattern / white hiding layer 9 by using a screen printing method using a printing ink in which a black pigment was mixed with a solvent-based cellulose ink.
[0055]
A water-based acrylic resin binder is processed as a heat-resistant elastic layer 7 on the shielding layer 6 by a screen printing method, and the heat-resistant elastic layer 7 is wetted with a copolymerized nylon hot melt powder having a particle size range of 80 μm to 200 μm. In the meantime, the adhesive layer 8 is applied by spraying, and after the drying treatment, excess hot melt powder is removed, and heat treatment is performed at 140 ° C. to perform thermal reversal transfer printing. Sheet Form product 10, cut and transfer Sheet Piece 11 was formed.
[0056]
Then this transcription Sheet The piece 11 is placed on a blue-black stripe-patterned polyester fabric (transferred fabric 12) dyed in blue and black by dry transfer printing and dyeing, an iron is placed on the polyester fabric, and a heat press is performed at 150 ° C. for 15 seconds to transfer the transferred fabric piece 11. After the heat bonding, the base film 3 was peeled off to form a transfer printing mark 13 as a white numeral pattern.
[0057]
The thus-obtained blue-black stripe-patterned polyester fabric with a white numeral pattern pattern has a very large concealing property of the white numeral pattern portion with respect to the blue-black stripe pattern, adhesion, washing resistance, and sublimation resistance against sublimation during storage. Various fastnesses such as properties were also extremely excellent.
[0058]
Of the invention Work Effect]
The present invention is configured as described above. When the transfer printing mark 13 thus obtained is applied to the transfer-receiving material 12 which is a dry transfer printing material, the transfer printing mark 13 is transferred as shown in FIGS. The sublimable dye 24 is retarded by the amount of the adhesive layer 8 and the small diffusion rate, and is further blocked by the shielding layer 6, so that the sublimable dye 24 reaching the white hiding layer 5 or the pattern / white hiding layer 9 is extremely low. Therefore, the visual recognition is very difficult, and therefore, practically sufficient performance is exhibited.
[0059]
In addition, its robustness is large because it does not apply powdery porous material that does not have adhesive power as in the conventional products by spraying, it has a very large hiding power, and has high adhesiveness, abrasion resistance, and washing resistance. In addition, it is possible to obtain a transfer printing pattern which is extremely excellent in various fastnesses such as light resistance, heat resistance, and sublimation resistance against sublimation during storage.
[0060]
The provision of the heat-resistant elastic layer 7 diffuses and absorbs a local pressure difference generated in the uneven portion of the fabric surface due to the pressurizing and heating operations during the transfer processing, and the crystalline polymer resin layer having high crystallinity. And a high-crystalline crystalline polymer tree on which the shielding layer 6 is formed. Fat Is poor in water resistance because it has a large amount of polar groups for performing hydrogen bonding, and when these resins are used, prevents water from permeating from the back surface and prevents a decrease in washing resistance. It is.
[0061]
Further, by providing the heat-resistant elastic layer 7 and clearly separating the adhesive layer 8, there are many industrial effects such as improvement in the fastness of sublimation contamination.
[Brief description of the drawings]
FIG. 1 is a sectional view of a first embodiment.
FIG. 2 is a cross-sectional view of the first embodiment during transfer.
FIG. 3 is a cross-sectional view showing a state of being heated by the heater in FIG. 2;
FIG. 4 is a sectional view showing a peeled state in FIG. 3;
FIG. 5 is a sectional view after transfer in the first embodiment.
FIG. 6 is a partially cutaway plan view of the first embodiment.
FIG. 7 is a perspective view at the time of cutting.
FIG. 8 is a plan view at the time of transfer in the first embodiment.
FIG. 9 is a plan view after transfer in the first embodiment.
FIG. 10 is a sectional view of a second embodiment.
FIG. 11 is a plan view at the time of transfer in a second embodiment.
FIG. 12 is a plan view after transfer in a second embodiment.
FIG. 13 is a partially enlarged sectional view of the first and second embodiments.
FIG. 14 is a sectional view of the third embodiment.
FIG. 15 is a cross-sectional view of the third embodiment during transfer.
FIG. 16 is a partially enlarged sectional view of the third embodiment.
17 to 20 are explanatory diagrams of a conventional example.
[Explanation of symbols]
1 Base layer
2 Peelable resin layer
3 Base sheet
4 Pattern layer
5 White hiding layer
6 Shielding layer
7 Heat-resistant elastic layer
8 Adhesive layer
9 Design pattern and white hiding layer
10. Thermal reversal transfer printing Sheet Product
11 Transcription Sheet Piece
12 Transferred fabric
13 Transfer printing mark

Claims (4)

上質紙の基層1上に剥離性樹脂層2を設けて基体シート3を形成し、該基体シート3上に顔料及び高分子樹脂の混合物を含有して成る所望形状の図柄模様層4を設け、更に図柄模様層4上の全面に白色顔料及び高分子樹脂の混合物を含有して成る白色隠蔽層5を設け、又更に白色隠蔽層5上の全面に結晶性の高い結晶性高分子樹脂より成る遮蔽層6を設け、且又遮蔽層6上の全面に高分子樹脂よりなる耐熱弾性層7を設け、又耐熱弾性層7上の全面に熱可塑性高分子樹脂よりなる接着層8を設けたことを特徴とする熱反転式転写捺染シートA base sheet 3 is formed by providing a releasable resin layer 2 on a base layer 1 of woodfree paper, and a pattern pattern layer 4 having a desired shape containing a mixture of a pigment and a polymer resin is provided on the base sheet 3; Further, a white concealing layer 5 containing a mixture of a white pigment and a polymer resin is provided on the entire surface of the pattern pattern layer 4, and furthermore, the entire surface of the white concealing layer 5 is formed of a crystalline polymer resin having high crystallinity. A shielding layer 6 is provided, a heat-resistant elastic layer 7 made of a polymer resin is provided on the entire surface of the shielding layer 6, and an adhesive layer 8 made of a thermoplastic polymer resin is provided on the entire surface of the heat-resistant elastic layer 7. A heat reversible transfer printing sheet characterized by the following. 上質紙の基層1上に剥離性樹脂層2を設けて基体シート3を形成する工程と、前記工程により形成された基体シート3上に顔料及び高分子樹脂の混合物を含有して成る所望形状の図柄模様層4を設ける工程と、前記工程で形成された図柄模様層4上の全面に白色顔料及び高分子樹脂の混合物を含有して成る白色隠蔽層5を設ける工程と、前記工程で形成された白色隠蔽層5上の全面に結晶性の高い結晶性高分子樹脂より成る遮蔽層6を設ける工程と、前記工程で形成された遮蔽層6上の全面に高分子樹脂よりなる耐熱弾性層7を設ける工程と、前記工程で形成された耐熱弾性層7上の全面に熱可塑性高分子樹脂よりなる接着層8を設ける工程より成ることを特徴とする熱反転式転写捺染シートの製造法。A step of forming a base sheet 3 by providing a releasable resin layer 2 on a base layer 1 of high quality paper; and forming a base sheet 3 formed in the above-mentioned step into a desired shape containing a mixture of a pigment and a polymer resin. Providing a pattern pattern layer 4; providing a white hiding layer 5 containing a mixture of a white pigment and a polymer resin on the entire surface of the pattern pattern layer 4 formed in the step; Providing a shielding layer 6 made of a crystalline polymer resin having high crystallinity on the entire surface of the white concealing layer 5, and a heat-resistant elastic layer 7 made of a polymer resin on the entire surface of the shielding layer 6 formed in the above step. a step of providing a heat-rotating transfer process of printing sheets, characterized in that the entire surface of the heat-resistant elastic layer 7 which is formed comprising the step of providing an adhesive layer 8 made of a thermoplastic polymer resin in the step. 上質紙の基層1上に剥離性樹脂層2を設けて基体シート3を形成し、該基体シート3上に白色顔料及び高分子樹脂の混合物を含有して成る所望形状の図柄模様兼白色隠蔽層9を設け、又更に図柄模様兼白色隠蔽層9上の全面に結晶性の高い結晶性高分子樹脂より成る遮蔽層6を設け、且又遮蔽層6上の全面に高分子樹脂よりなる耐熱弾性層7を設け、又耐熱弾性層7上の全面に熱可塑性高分子樹脂よりなる接着層8を設けたことを特徴とする熱反転式転写捺染シートA base sheet 3 is formed by providing a releasable resin layer 2 on a base layer 1 of high-quality paper, and a pattern and white hiding layer of a desired shape comprising a mixture of a white pigment and a polymer resin on the base sheet 3 9, a shielding layer 6 made of a crystalline polymer resin having high crystallinity is provided on the entire surface of the pattern / white hiding layer 9, and a heat-resistant elastic material made of a polymer resin is provided on the entire surface of the shielding layer 6. A heat reversible transfer printing sheet, comprising a layer 7 and an adhesive layer 8 made of a thermoplastic polymer resin on the entire surface of the heat-resistant elastic layer 7. 上質紙の基層1上に剥離性樹脂層2を設けて基体シート3を形成する工程と、前記工程により形成された基体シート3上に白色顔料及び高分子樹脂の混合物を含有して成る所望形状の図柄模様兼白色隠蔽層9を設ける工程と、前記工程で形成された図柄模様兼白色隠蔽層9上の全面に結晶性の高い結晶性高分子樹脂より成る遮蔽層6を設ける工程と、前記工程で形成された遮蔽層6上の全面に高分子樹脂よりなる耐熱弾性層7を設ける工程と、前記工程で形成された耐熱弾性層7上の全面に熱可塑性高分子樹脂よりなる接着層8を設ける工程より成ることを特徴とする熱反転式転写捺染シートの製造法。A step of forming a base sheet 3 by providing a releasable resin layer 2 on a base layer 1 of woodfree paper; and a desired shape comprising a mixture of a white pigment and a polymer resin on the base sheet 3 formed by the above step. Providing a pattern / white hiding layer 9; and providing a shielding layer 6 made of a crystalline polymer resin having high crystallinity on the entire surface of the pattern / white hiding layer 9 formed in the above step; Providing a heat-resistant elastic layer 7 made of a polymer resin on the entire surface of the shielding layer 6 formed in the step, and an adhesive layer 8 made of a thermoplastic polymer resin on the entire surface of the heat-resistant elastic layer 7 formed in the step. A method for producing a heat reversible transfer printing sheet , comprising the step of:
JP11439794A 1994-04-30 1994-04-30 Heat reversal transfer printing sheet and method for producing the same Expired - Lifetime JP3593361B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600115345A1 (en) * 2016-11-15 2018-05-15 Policrom Screens S P A Transfer system for printing electronic technology on fabric

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10125681C1 (en) * 2001-05-25 2003-02-20 Buelent Oez Process for transferring images on print templates to colored documents as well as suitable template material
JP2006097180A (en) * 2004-09-29 2006-04-13 Horaisha:Kk Mark
JP5508094B2 (en) * 2010-03-30 2014-05-28 三英ケミカル株式会社 Thermal transfer sheet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600115345A1 (en) * 2016-11-15 2018-05-15 Policrom Screens S P A Transfer system for printing electronic technology on fabric
WO2018092009A1 (en) * 2016-11-15 2018-05-24 Policrom Screens S.P.A. Transfer system for electronic-technology textile printing
US11602923B2 (en) 2016-11-15 2023-03-14 Policrom Screens S.P.A. Transfer system for electronic-technology textile printing

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