JP2007056258A - 構造接着剤のためのポリマー希釈剤 - Google Patents
構造接着剤のためのポリマー希釈剤 Download PDFInfo
- Publication number
- JP2007056258A JP2007056258A JP2006220966A JP2006220966A JP2007056258A JP 2007056258 A JP2007056258 A JP 2007056258A JP 2006220966 A JP2006220966 A JP 2006220966A JP 2006220966 A JP2006220966 A JP 2006220966A JP 2007056258 A JP2007056258 A JP 2007056258A
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- Prior art keywords
- reactive
- weight
- hot melt
- composition
- adhesive
- 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.)
- Pending
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- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical compound CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 description 1
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- HQHCYKULIHKCEB-UHFFFAOYSA-N tetradecanedioic acid Natural products OC(=O)CCCCCCCCCCCCC(O)=O HQHCYKULIHKCEB-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
【解決手段】(a)反応性ホットメルトおよび(b)ポリマー系反応性希釈剤、を含む接着剤組成物であって;(b)ポリマー系反応性希釈剤が(1)2000〜4000の重量平均分子量を有する1つ以上のポリマー;(2)1つ以上の多官能性ポリオール;および(3)1つ以上のポリイソシアネート;を含み、ここで、イソシアネート基のヒドロキシル基に対する比率(NCO/OH)が4.0〜11.0であり、かつ遊離イソシアネート基の量が、組成物の全体の重量を基準として7.5重量%より大きい:接着剤組成物。
【選択図】なし
Description
(a)反応性ホットメルト接着剤とポリマー系反応性希釈剤とを混合する工程であって、ポリマー系反応性希釈剤が(1)2000〜4000の重量平均分子量を有する1つ以上のポリマー;(2)1つ以上の多官能性ポリオール;(3)1つ以上のポリイソシアネート:を含み、ここで、ポリマー系反応性希釈剤とを混合する工程であって、イソシアネート基のヒドロキシル基に対する比率(NCO/OH)は、4.0〜11.0であり、かつ遊離イソシアネート基の量は、組成物の全体の重量基準で7.5重量%より大きい;
(b)反応性ホットメルト接着剤を加熱する工程;
(c)水分の存在下で第一の基体にホットメルト接着剤を適用する工程;
(d)適用されたホットメルト接着剤と少なくとも第二の基体とを接触させる工程;および
(e)接着されたホットメルト接着剤を冷却する工程。
試験片の調製:
試験片は、「Acceptance Criteria For Sandwich Panel Adhesives」#AC05(International Conference of Building Officials(ICBO)発行)における手順により調製された、配向性ストランドボード(OSB)、接着剤、発泡ポリスチレンフォーム、接着剤、およびOSBのサンドイッチラミネートである。
サンドウィッチラミネート試験片を約5〜7.5cm(2〜3インチ)の幅に切断する。OSBの1部を固定し、サンドウィッチ構造が崩れて破損モードが観察されるまで、手による力をOSBの他の部分に加える。「合格」破損モードは、ポリスチレンフォームが分離することである。「不合格」破損モードは、接着面のいずれかにおける接着剤の接着剤破損である。
ICBO承認基準AC05−8.3に従って、硬質木材(カエデ)と接着した金属を含むサンドウィッチ試験片に345kPas(50psi)の応力をかけ、変形を観察する。合格するためには、クリープは、テストの間で平均0.005 in/in(0.127mm/mm)を有し、最初の1時間で0.002 in/in(0.0508mm/mm)に制限される。試験片をセクション8.6.3に従ってテストする:木製の基体のクリープを測定する場合は158°F(70℃)において1週間、または接着されている金属表面を伴う場合は182°F(83℃)において1週間。
ICBO承認基準AC05−8.4に従って、コンディショニングされたサンドイッチ試験片を、182°F(83℃)の接着剤層温度に平衡化し、ラップ剪断強さについてテストした。合格するためには、テスト試験片は、73°F(23.7℃)の接着剤層でテストされた試験片の少なくとも80%のラップ剪断強さを維持しなければならない。
ICBO承認基準AC05−7.2に従って、サンドウィッチ試験片を室温において48時間水没させ、続いて145°F(63℃)において8時間乾燥した。引き続いて、試験片を室温において16時間浸漬させ、145°F(63℃)において8時間乾燥するということを3サイクル行う。テストの前、セクション6.0に従って、7日間コンディショニングする。合格するためには、サンプルは、加速経年劣化を受けていないテスト試験片の本来の結合強さの少なくとも80%を維持しなくてはならない。
1.5分の作業時間を有する反応性ホットメルト接着剤(Mor−Melt(商標)R−5022、Rohm and Haas Company、フィラデルフィア、ペンシルベニア)をコントロールとして使った。
触媒化されていないポリマー系液体水分反応性組成物(PMRC)を調製した。
500gのMor−Melt(商標)R−5022のアリコートを90℃に予熱されていたガラス反応器に加え、乾燥窒素でフラッシュした。それに、5重量%のMRC−3を加えた。PMRC−3は、6000psiの硬化のヤング率および4500cpsの粘度を有する。
PMRC−2は、より高いヤング率(27000psi)を有し、およびより高い粘度(8000cps@25℃)である。PMRC−2は、5重量%でMor−Melt(商標)R−5022に添加された。ラミネートを前述のようにして調製した。結果は、以下のとおりである。
Claims (7)
- (a)反応性ホットメルトおよび(b)ポリマー系反応性希釈剤、を含む接着剤組成物であって;
(b)ポリマー系反応性希釈剤が
(1)2000〜4000の重量平均分子量を有する1つ以上のポリマー;
(2)1つ以上の多官能性ポリオール;および
(3)1つ以上のポリイソシアネート;
を含み、
ここで、イソシアネート基のヒドロキシル基に対する比率(NCO/OH)が4.0〜11.0であり、かつ遊離イソシアネート基の量が、組成物の全体の重量を基準として7.5重量%より大きい:
接着剤組成物。 - 反応性ホットメルト接着剤が、
(a)30,000〜100,000の重量平均分子量を有する1つ以上のポリマー;
(b)1つ以上の多官能性ポリオール;
(c)少なくとも2つのヒドロキシ基を有する1つ以上の有機化合物;および
(d)1つ以上のポリイソシアネート;
を含む、請求項1記載の接着剤。 - (a)2000〜4000の重量平均分子量を有する1つ以上のポリマー;
(b)1つ以上の多官能性ポリオール;および
(c)1つ以上のポリイソシアネート;
を含む、ポリマー系反応性希釈剤であって、
ここで、イソシアネート基のヒドロキシル基に対する比率(NCO/OH)が4.0〜11.0であり、かつ遊離イソシアネート基の量が、組成物の全体の重量を基準として7.5重量%より大きい、
ポリマー系反応性希釈剤。 - イソシアネートを含有する反応性ホットメルト組成物をさらに含む、請求項3に記載のポリマー系希釈剤。
- (a)反応性ホットメルトおよび(b)ポリマー系反応性希釈剤を混合する工程を含む反応性ホットメルトの作業時間を伸ばす方法であって;
(b)ポリマー系反応性希釈剤が、
(1)2000〜4000の重量平均分子量を有する1つ以上のポリマー;
(2)1つ以上の多官能性ポリオール;および
(3)1つ以上のポリイソシアネート;
を含み、
ここで、イソシアネート基のヒドロキシル基に対する比率(NCO/OH)が4.0〜11.0であり、かつ遊離イソシアネート基の量が、組成物の全体の重量を基準として7.5重量%より大きい、
方法。 - (a)反応性ホットメルト接着剤とポリマー系反応性希釈剤とを混合する工程であって、ポリマー系反応性希釈剤が(1)2000〜4000の重量平均分子量を有する1つ以上のポリマー;(2)1つ以上の多官能性ポリオール;および(3)1つ以上のポリイソシアネートを含み、ここで、イソシアネート基のヒドロキシル基に対する比率(NCO/OH)が4.0〜11.0であり、かつ遊離イソシアネート基の量が、組成物の全体の重量を基準として7.5重量%より大きい、工程;
(b)反応性ホットメルト接着剤を加熱する工程;
(c)水分の存在下で第一の基体にホットメルト接着剤を適用する工程;
(d)適用されたホットメルト接着剤と少なくとも第二の基体とを接触させる工程;および
(e)接着されたホットメルト接着剤を冷却する工程;
を含む1つ以上の基体を接着する方法。 - 反応性ホットメルトが、
(1)2000〜4000の重量平均分子量を有する1つ以上のポリマー;
(2)1つ以上の多官能性ポリオール;および
(3)1つ以上のポリイソシアネート;
を含み、
ここで、イソシアネート基のヒドロキシル基に対する比率(NCO/OH)が4.0〜11.0であり、かつ遊離イソシアネート基の量が、組成物の全体の重量を基準として7.5重量%より大きい、請求項6記載の方法。
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EP (1) | EP1754765B1 (ja) |
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US615668A (en) | 1898-12-13 | Alternating air-pressure system | ||
US4585819A (en) * | 1984-08-14 | 1986-04-29 | H. B. Fuller Company | Fusion adhesive which can comprise an isocyanate prepolymer, a thermoplastic polymer and/or a lower molecular weight ketone resin |
GB8718380D0 (en) * | 1987-08-04 | 1987-09-09 | Exxon Chemical Patents Inc | Polymeric composition |
JPH0776332B2 (ja) * | 1988-11-18 | 1995-08-16 | サンスター技研株式会社 | 湿気硬化性ホットメルト型接着剤組成物 |
JPH0735503B2 (ja) * | 1989-07-27 | 1995-04-19 | サンスター技研株式会社 | 湿気硬化性熱溶融型接着剤 |
US5472785A (en) * | 1994-04-12 | 1995-12-05 | Minnesota Mining And Manufacturing Company | Reactive wax-containing moisture curable hot melt composition |
AU695629B2 (en) * | 1995-06-07 | 1998-08-20 | H.B. Fuller Licensing And Financing Inc. | Aqueous non-gelling, anionic polyurethane dispersions and process for their manufacture |
EP0915942A1 (fr) * | 1997-05-29 | 1999-05-19 | Elf Atochem S.A. | Compositions adhesives thermofusibles a base de polydiene hydroxyle |
US6465104B1 (en) * | 1997-12-01 | 2002-10-15 | Henkel Kommanditgesellschaft Auf Aktien | Modified polyurethane hotmelt adhesive |
ES2227924T3 (es) * | 1998-04-02 | 2005-04-01 | Sika Schweiz Ag | Prepolimeros de poliuretano conteniendo grupos amino latentes y grupos isocianato, procedimiento para su preparacion, asi como su utilizacion. |
US6274674B1 (en) * | 1999-02-25 | 2001-08-14 | Ashland Inc. | Reactive hot melt adhesive |
US6884904B2 (en) * | 2001-04-12 | 2005-04-26 | Air Products And Chemicals, Inc. | MDI-based polyurethane prepolymer with low monomeric MDI content |
US6713570B2 (en) * | 2001-07-30 | 2004-03-30 | 3M Innovative Properties Company | Moisture curing hot-melt adhesives |
WO2003011947A1 (en) * | 2001-08-02 | 2003-02-13 | Huntsman International Llc | Improved formulations for isocyanate-based polymer compositions containing hydrocarbon oils |
DE10150722A1 (de) * | 2001-10-13 | 2003-04-30 | Henkel Kgaa | Reaktive Polyurethan-Zusammensetzungen mit niedrigem Restmonomergehalt |
MXPA02011491A (es) * | 2001-12-06 | 2003-06-30 | Rohm & Haas | Adhesivo de fusion en caliente. |
DE50309990D1 (de) * | 2002-02-22 | 2008-07-31 | Jowat Ag | Polyurethan-Zusammensetzungen mit geringem Anteil an Diisocyanatmonomer(en) |
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DE10254376A1 (de) * | 2002-11-15 | 2004-05-27 | Bayer Ag | Raumtemperaturhärtende Reaktivsysteme |
US7071248B2 (en) * | 2003-01-21 | 2006-07-04 | Ashland Licensing And Intellectual Property, Llc | Adhesive additives and adhesive compositions containing an adhesive additive |
DE102004002526A1 (de) * | 2004-01-16 | 2005-08-04 | Bayer Materialscience Ag | Thermovergilbungsstabile Polyurethan-Polyharnstoff Dispersionen |
KR100733150B1 (ko) * | 2004-10-04 | 2007-06-27 | 롬 앤드 하아스 컴패니 | 반응성 핫-멜트 접착제 |
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EP1754765A1 (en) | 2007-02-21 |
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