JPWO2011090061A1 - 易熱分解性バインダー樹脂、バインダー樹脂組成物および該組成物の用途 - Google Patents
易熱分解性バインダー樹脂、バインダー樹脂組成物および該組成物の用途 Download PDFInfo
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- JPWO2011090061A1 JPWO2011090061A1 JP2011550923A JP2011550923A JPWO2011090061A1 JP WO2011090061 A1 JPWO2011090061 A1 JP WO2011090061A1 JP 2011550923 A JP2011550923 A JP 2011550923A JP 2011550923 A JP2011550923 A JP 2011550923A JP WO2011090061 A1 JPWO2011090061 A1 JP WO2011090061A1
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- binder resin
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- resin composition
- rosin derivative
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
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Abstract
Description
本発明の易熱分解性バインダー樹脂は、ロジン誘導体(A)を有効成分とすることを特徴とする。当該バインダー樹脂は、それ自体で又は当該樹脂を含む組成物の形態で、無機固体粉末の成形体を製造する場合の射出成形用、鋳型成形用等の熱分解性バインダー;導電性パターン形成用熱分解性バインダー等として、好適に使用できる。
本発明のバインダー樹脂組成物は、本発明の易熱分解性バインダー樹脂を含有することを特徴とする易熱分解性の組成物である。本発明バインダー樹脂組成物は、該易熱分解性バインダー樹脂に加えて、有機溶剤を含有することができる。また、必要に応じて、熱分解性ポリマー、その他の添加剤を含有することもできる。
本発明の粉末冶金用バインダーは、金属粉末の成形体を製造する場合の射出成形用、鋳型成形用等の熱分解性バインダーである。粉末冶金用バインダーとしては、本発明バインダー樹脂組成物をそのまま使用してもよいし、更に、熱分解性等に影響を与えない範囲で、公知の添加剤を配合して用いてもよい。添加剤としては、潤滑剤、分散剤等を使用できる。潤滑剤としては、例えば、ワックス等を挙げることができる。分散剤としては、例えば、各種界面活性剤、ポリカルボン酸等の高分子系分散剤等を使用できる。これらの添加剤は、1種単独で又は2種以上組み合わせて配合できる。金属粉末としては、特に限定されないが、例えば、鉄、銅、チタン、アルミニウム、タングステン、モリブデン、ニッケル、クロム等の金属の粉末;これら金属の各種合金の粉末等を挙げることができる。
本発明のセラミックス焼成用バインダーは、セラミックス粉末の成形体を製造する場合の射出成形用、鋳型成形用等の熱分解性バインダーである。セラミックス焼成用バインダーとしては、本発明バインダー樹脂組成物をそのまま使用してもよいし、更に、熱分解性等に影響を与えない範囲で、公知の添加剤を配合して用いてもよい。添加剤としては、結晶成長阻止剤、分散剤、可塑剤等を挙げることができる。結晶成長阻止剤としては、例えば、MgO、SiO2等の酸化物;アミノアルコール等を挙げることができる。分散剤としては、例えば、各種界面活性剤、ポリカルボン酸等の高分子系分散剤等を使用できる。可塑剤としては、公知の可塑剤を用いることができ、沸点が200℃以上であるものが好ましい。可塑剤としては、具体的には、例えば、フタル酸系化合物、アジピン酸系化合物、セバシン酸系化合物、アゼライン酸系化合物、リン酸系化合物、脂肪酸系化合物、エポキシ系化合物、トリメリット酸系化合物、オレイン酸ブチル、塩素化パラフィン、ポリブテン、ポリイソブチレン等が挙げられる。これらの添加剤は、1種単独で又は2種以上組み合わせて配合できる。セラミックス粉末としては、特に限定されないが、例えば、チタン酸バリウム、酸化インジウム、酸化スズインジウム、チタン酸化物、アルミニウム酸化物、バリウム酸化物、鉛酸化物、ジルコニウム酸化物、ケイ素酸化物、イットリウム酸化物等の各種セラミックスの粉末を挙げることができる。また、焼成により、酸化スズインジウム等のセラミックスに変化するものも含まれる。
本発明のガラス焼成用バインダーは、ガラス粉末の成形体を製造する場合の射出成形用、鋳型成形用等の熱分解性バインダーである。ガラス焼成用バインダーとしては、本発明バインダー樹脂組成物をそのまま使用してもよいし、更に、熱分解性等に影響を与えない範囲で、公知の添加剤を配合して用いてもよい。添加剤としては、分散剤、可塑剤、安定剤、表面張力調整剤等を挙げることができる。分散剤としては、例えば、各種界面活性剤、ポリカルボン酸等の高分子系分散剤等を使用できる。可塑剤としては、公知の可塑剤を用いることができ、沸点が200℃以上であるものが好ましい。可塑剤としては、具体的には、例えば、フタル酸系化合物、アジピン酸系化合物、セバシン酸系化合物、アゼライン酸系化合物、リン酸系化合物、脂肪酸系化合物、エポキシ系化合物、トリメリット酸系化合物、オレイン酸ブチル、塩素化パラフィン、ポリブテン、ポリイソブチレン等が挙げられる。これらの添加剤は、1種単独で又は2種以上組み合わせて配合できる。ガラス粉末としては、特に限定されないが、例えば、PbO−B2O3−SiO2系低融点ガラス粉末等の各種ガラス粉末を挙げることができる。
被検ロジン誘導体25.0mgを、25mlメスフラスコに精秤し、シクロヘキサンで溶解した後、25mlの秤線まで定容する。UV分光光度計(HITACHI u−3210 spectrophotometer)にて、セル長1cmの石英セルを用いて、300nmでの吸光度を読み取った。
被検ロジン誘導体について、ゲルパーミエーションクロマトグラフ(GPC)法により、標準ポリスチレンの検量線から求めたポリスチレン換算値で分子量600以上の比率を算出させた。なお、GPC法の測定条件は、以下の通りである。
分析装置:HLC−8220(東ソー(株)製)
カラム:TSK−GEL G1000HXL、TSK−GEL G2000HXL
溶離液:テトラヒドロフラン
注入試料濃度:5mg/mL
流量:0.6mL/min
注入量:100μL
カラム温度:40℃
検出器:RI
中国産ガムロジン600gと触媒の5%パラジウムカーボン(含水率50%)1.8gを1Lフラスコに仕込み、275℃まで昇温し、3時間不均化反応を実施した。触媒をろ別後、400Paの減圧下で蒸留した。195〜250℃で留出された成分をロジン誘導体(i)とした。300nmでの吸光度は0.18、分子量600以上の成分の含有率は0.2%であった。
中国産ガムロジンの水素化処理物600gを1Lフラスコに仕込み、製造例1と同様の条件で蒸留し、195〜250℃で留出された成分を得た。この195〜250℃で留出された成分400gと5%パラジウムカーボン(含水率50%)1.2gを1Lフラスコに仕込み、3時間不均化反応を実施した。触媒をろ別して、ロジン誘導体(ii)を得た。300nmでの吸光度は0.15、分子量600以上の成分の含有率は0.3%であった。
中国産ガムロジンの水素化処理物600gを1Lフラスコに仕込み、製造例1と同様の条件で蒸留し、195〜250℃で留出された成分を得た。195〜250℃で留出された成分200gと5%パラジウムアルミナ3.0g、シクロヘキサン200gを1Lオートクレーブに仕込み、系内を水素ガスで十分置換した後、反応初期水素圧力を6MPaとし、200℃まで昇温した後、水素圧力を10MPaとし、適宜圧力減少分を補給しながら4時間水素化反応させた。触媒をろ別し、減圧蒸留にてシクロヘキサンを留去し、ロジン誘導体(iii)を得た。300nmでの吸光度は0.01、分子量600以上の成分の含有率は0.3%であった。
中国産ガムロジンの水素化処理物を製造例1と同様の条件で蒸留し、195〜250℃で留出された成分をロジン誘導体(iv)とした。300nmでの吸光度は0.07、分子量600以上の成分の含有率は1.4%であった。
中国産ガムロジンを製造例1と同様の条件で蒸留し、195〜250℃で留出された成分をロジン誘導体(v)とした。300nmでの吸光度は1.6、分子量600以上の成分の含有率は1.4%であった。
製造例1〜4で得られたロジン誘導体(i)〜(iv)について、示差熱・熱重量同時測定装置(セイコーインスツルメンツ(株)製、商品名「TG/DTA220」)を用い、空気雰囲気下、5℃/minの昇温速度にて99%重量損失温度を測定したところ、いずれも、500℃以下であり、本発明のロジン誘導体(A)に該当することが判った。
製造例5で得られたロジン誘導体(v)、中国産ガムロジンであるロジン誘導体(vi)(300nmでの吸光度は1.6、分子量600以上の成分の含有率は3.0%)、中国産ガムロジンの水素化処理物であるロジン誘導体(vii)(300nmでの吸光度は0.07、分子量600以上の成分の含有率は2.0%)、及び中国産不均化ロジンであるロジン誘導体(viii)(300nmでの吸光度は0.17、分子量600以上の成分の含有率は4.9%)について、空気雰囲気下、5℃/minの昇温速度にて99%重量損失温度を測定したところ、いずれも、500℃を超えていて、本発明のロジン誘導体(A)には該当しないことが判った。
窒素雰囲気下に昇温速度5℃/minの熱重量測定における99%重量損失温度の測定は、次の様にして、行った。即ち、ロジン誘導体(i)〜(viii)について、示差熱・熱重量同時測定装置(セイコーインスツルメンツ(株)製、商品名「TG/DTA220」)により、窒素雰囲気下で5℃/minの昇温速度にて、25℃から550℃まで昇温したときの99%重量損失温度を測定した。さらに、試験後の残渣の状態を以下の基準で評価した。
1:目視で全く残渣が確認されない
2:わずかに残渣が確認されるが外観は良い
3:黒色または褐色の残渣が有り、外観が悪い
ロジン誘導体(A)であるロジン誘導体(i)の20%トルエン溶液50gに、平均粒子径100μmのアルミニウム合金粉末(Al:86%、Si:10%、Fe:1%、Cu:2%、Mg:1%)100gを添加し、ボールミル分散機で混合し、ペースト状の粉末冶金用バインダー樹脂組成物を得た。これをガラス基板上に、スクリーン印刷で、30μmの厚みで塗工し、窒素雰囲気下において450℃で10分間焼成し、焼結させた。焼結体には黒色残渣は見られなかった。
ロジン誘導体(A)を表2の記載のとおりに変更した他は、実施例5と同様にして焼成し、焼結体を得た。
平均粒子径0.5μmのチタン酸バリウム粉末100g、ロジン誘導体(i)10g、メチルエチルケトン40g、トルエン30gを、ボールミル分散機で混合することにより、セラミックス焼成用バインダー樹脂組成物を得た。これを、ガラス基板上に、スクリーン印刷で20μmの厚みで塗工し、N2、H2およびH2Oからなる還元性雰囲気中において450℃で2時間焼成し焼結させた。焼結体には黒色残渣は見られなかった。
ロジン誘導体(A)を表2の記載のとおりに変更した他は、実施例9と同様にして焼成し、焼結体を得た。
PbO−B2O3−SiO2系低融点ガラス粉末60g、ロジン誘導体(i)10g、ブチルカルビトールアセテート20gを、ロールミル分散機で十分に混練し、ガラス焼成用バインダー樹脂組成物を得た。これをガラス基板上にスクリーン印刷により厚み200μmで塗布し、窒素雰囲気下、580℃で30分間焼成し、焼結体を得た。焼結体には黒色残渣は見られなかった。
ロジン誘導体(A)を表2の記載のとおりに変更した他は、実施例13と同様にして焼成し、焼結体を得た。
酸化インジウム粉末40g、酸化スズ粉末4.4g、ロジン誘導体(i)5g、ブチルカルビトールアセテート20gを、ボールミル分散機で混合し、セラミック焼成用バインダー樹脂組成物を得た。これをガラス基板上にスクリーン印刷にて10μmの厚さに塗工し、空気雰囲気下、580℃で30分間焼成し、焼結体を得た。焼結体には黒色残渣は見られなかった。
ロジン誘導体(A)を表2の記載のとおりに変更した他は、実施例17と同様にして焼成し、焼結体を得た。
アセチルアセトンインジウム40g、アセチルアセトンスズ0.1g、パラターシャリーブチルフェノール42g、コハク酸ジ2−エチルヘキシル14g、ロジン誘導体(i)10gを、フラスコ中で混合し、130℃に加熱して2時間攪拌した。冷却し、セラミック焼成用バインダー樹脂組成物を得た。これをガラス基板上にアプリケーターで2μmの厚さに塗工し、空気雰囲気下で500℃、1時間焼成し、焼結体を得た。焼結体には黒色残渣は見られなかった。
ロジン誘導体(A)を表2の記載のとおりに変更した他は、実施例21と同様にして焼成し、焼結体を得た。
実施例5〜24の焼成後のロジン誘導体由来の残渣の状態を、目視により、以下の基準で評価した。
1:全く残渣が確認されない
2:わずかに残渣が確認されるが外観は良い
3:黒色または褐色の残渣が有り、外観が悪い
用いるロジン誘導体を、表3の記載のとおりに変更した他は、実施例5と同様にして焼成し、焼結体を得た。
用いるロジン誘導体を、表3の記載のとおりに変更した他は、実施例9と同様にして焼成し、焼結体を得た。
用いるロジン誘導体を、表3の記載のとおりに変更した他は、実施例13と同様にして焼成し、焼結体を得た。
用いるロジン誘導体を、表3の記載のとおりに変更した他は、実施例17と同様にして焼成し、焼結体を得た。
用いるロジン誘導体を、表3の記載のとおりに変更した他は、実施例21と同様にして焼成し、焼結体を得た。
Claims (9)
- ロジン類(a)に、蒸留と不均化処理および/または水素化処理とをして得られる、空気雰囲気下に昇温速度5℃/分の熱重量測定における99重量%重量損失温度が500℃以下であるロジン誘導体(A)を有効成分とする易熱分解性バインダー樹脂。
- ロジン誘導体(A)が、GPCによるスチレン換算分子量600以上の成分の比率が1.5重量%以下であり、紫外線吸光光度法による300nmの吸光度(測定条件:試料濃度1g/dm3、セル長1cm)が0.3以下である請求項1に記載のバインダー樹脂。
- 窒素雰囲気下で、毎分5℃ずつ上昇させ、25℃から500℃まで熱処理した後に残渣汚れが残らない請求項1に記載のバインダー樹脂。
- 請求項1の易熱分解性バインダー樹脂を含有することを特徴とするバインダー樹脂組成物。
- 更に、有機溶剤を含有する請求項4に記載のバインダー樹脂組成物。
- 粉末冶金用バインダーである請求項4に記載のバインダー樹脂組成物。
- セラミックス焼成用バインダーである請求項4に記載のバインダー樹脂組成物。
- セラミックスが酸化スズインジウムである請求項7に記載のバインダー樹脂組成物。
- ガラス焼成用バインダーである請求項4に記載のバインダー樹脂組成物。
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US20150354313A1 (en) * | 2014-06-04 | 2015-12-10 | McClinton Energy Group, LLC | Decomposable extended-reach frac plug, decomposable slip, and methods of using same |
WO2016139831A1 (ja) * | 2015-03-02 | 2016-09-09 | 国立大学法人東京農工大学 | 熱分解性バインダー |
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US2485616A (en) * | 1944-06-17 | 1949-10-25 | Hercules Powder Co Ltd | Emulsion polymerization of butadiene in the presence of a salt of a middle fraction o a dehydrogenated rosin |
US2887475A (en) * | 1956-12-18 | 1959-05-19 | Hercules Powder Co Ltd | Rosin having improved characteristics for use in size and rosin sizing compositions prepared therefrom |
US3223696A (en) * | 1963-02-18 | 1965-12-14 | Francis J Boylan | Polymerization emulsifiers comprising a soap of distilled rosin and an oil |
US3320695A (en) * | 1964-06-25 | 1967-05-23 | Hercules Inc | Degradable polyolefin mulching film |
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US4906733A (en) * | 1987-01-29 | 1990-03-06 | Arakawa Kagaku Kogyo Kabushiki Kaisha | Process for preparing colorless rosin |
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CN102712813A (zh) | 2012-10-03 |
US8829077B2 (en) | 2014-09-09 |
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