JP2009525363A5 - - Google Patents

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Publication number
JP2009525363A5
JP2009525363A5 JP2008552712A JP2008552712A JP2009525363A5 JP 2009525363 A5 JP2009525363 A5 JP 2009525363A5 JP 2008552712 A JP2008552712 A JP 2008552712A JP 2008552712 A JP2008552712 A JP 2008552712A JP 2009525363 A5 JP2009525363 A5 JP 2009525363A5
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Japan
Prior art keywords
weight
polyurethane elastomer
elastomer according
prepolymer
nco prepolymer
Prior art date
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Withdrawn
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JP2008552712A
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Japanese (ja)
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JP2009525363A (en
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Publication date
Priority claimed from DE102006004527A external-priority patent/DE102006004527A1/en
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Publication of JP2009525363A publication Critical patent/JP2009525363A/en
Publication of JP2009525363A5 publication Critical patent/JP2009525363A5/ja
Withdrawn legal-status Critical Current

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Description

本発明に従った系は、プレポリマーの粘度、注型時間、機械的特性および機械的動的特性に関して、有利な特性の独自の組み合わせを示す。
本発明の好ましい態様は、以下を包含する。
[1]a)少なくとも85重量%の2,4’異性体含有量を有するジフェニルメタンジイソシアネート、並びに20〜200mgKOH/gのOH価および1.95〜2.40の官能価を有するポリオールに基づくNCOプレポリマー(遊離モノマー2,4’−MDIの割合は、NCOプレポリマーに基づいて少なくとも1〜20重量%である)、
b)アミン系連鎖延長剤および/または架橋剤、並びに
c)任意に助剤および添加剤
から得ることができるポリウレタンエラストマー。
[2]成分b)が、ジエチルトルエンジアミン(DETDA)、3,3’−ジクロロ−4,4’−ジアミノジフェニルメタン(MBOCA)、イソブチル3,5−ジアミノ−4−クロロベンゾエート、4−メチル−2,6−ビス(メチルチオ)−1,3−ジアミノベンゼン(Ethacure 300)、トリメチレングリコールジ−p−アミノベンゾエート(Polacure 740M)および4,4’−ジアミノ−2,2’−ジクロロ−5,5’−ジエチルジフェニルメタン(MCDEA)またはそれらの混合物であることを特徴とする、[1]に記載のポリウレタンエラストマー。
[3]A)少なくとも85重量%の2,4’異性体含有量を有するジフェニルメタンジイソシアネートを、20〜200mgKOH/gのOH価および1.95〜2.40の官能価を有するポリオールと反応させて、NCOプレポリマーに基づいて1重量%〜20重量%の遊離モノマー2,4’−MDIの割合を有するNCOプレポリマーを得、そして
B)エラストマーを製造するために、アミン系連鎖延長剤および/または架橋剤並びに任意に助剤および添加剤を、A)からのプレポリマーに添加する
ことを特徴とする、[1]または[2]に記載のポリウレタンエラストマーの製造方法。
[4]成形品の製造のため、接着剤として、およびシーラントとしての[1]または[2]に記載のポリウレタンエラストマーの使用。
[5][1]または[2]に記載のポリウレタンエラストマーから得ることができる成形品。
The system according to the invention exhibits a unique combination of advantageous properties with regard to the prepolymer viscosity, casting time, mechanical properties and mechanical dynamic properties.
Preferred embodiments of the present invention include the following.
[1] a) NCO pres based on diphenylmethane diisocyanate having a 2,4 ′ isomer content of at least 85% by weight and a polyol having an OH number of 20 to 200 mg KOH / g and a functionality of 1.95 to 2.40. Polymer (the proportion of free monomer 2,4′-MDI is at least 1 to 20% by weight, based on the NCO prepolymer),
b) amine chain extenders and / or crosslinkers, and
c) optionally auxiliaries and additives
Polyurethane elastomer that can be obtained from.
[2] Component b) is diethyltoluenediamine (DETDA), 3,3′-dichloro-4,4′-diaminodiphenylmethane (MBOCA), isobutyl 3,5-diamino-4-chlorobenzoate, 4-methyl-2 , 6-Bis (methylthio) -1,3-diaminobenzene (Ethacure 300), trimethylene glycol di-p-aminobenzoate (Polacure 740M) and 4,4'-diamino-2,2'-dichloro-5,5 The polyurethane elastomer according to [1], which is' -diethyldiphenylmethane (MCDEA) or a mixture thereof.
[3] A) reacting a diphenylmethane diisocyanate having a 2,4 ′ isomer content of at least 85% by weight with a polyol having an OH number of 20 to 200 mg KOH / g and a functionality of 1.95 to 2.40. Obtaining an NCO prepolymer having a proportion of 1% to 20% by weight of free monomer 2,4′-MDI, based on the NCO prepolymer, and
B) Amine chain extenders and / or crosslinkers and optionally auxiliaries and additives are added to the prepolymer from A) to produce elastomers.
The method for producing a polyurethane elastomer according to [1] or [2], wherein
[4] Use of the polyurethane elastomer according to [1] or [2] as an adhesive and as a sealant for the production of a molded article.
[5] A molded product obtainable from the polyurethane elastomer according to [1] or [2].

Claims (4)

a)少なくとも85重量%の2,4’異性体含有量を有するジフェニルメタンジイソシアネート、並びに20〜200mgKOH/gのOH価および1.95〜2.40の官能価を有するポリオールに基づくNCOプレポリマー(遊離モノマー2,4’−MDIの割合は、NCOプレポリマーに基づいて少なくとも1〜20重量%である)、
b)アミン系連鎖延長剤および/または架橋剤、並びに
c)任意に助剤および添加剤
から得ることができるポリウレタンエラストマー。
a) NCO prepolymer based on diphenylmethane diisocyanate having a 2,4 ′ isomer content of at least 85% by weight and a polyol having an OH number of 20 to 200 mg KOH / g and a functionality of 1.95 to 2.40 The proportion of monomer 2,4′-MDI is at least 1 to 20% by weight, based on the NCO prepolymer),
b) polyurethane elastomers obtainable from amine chain extenders and / or crosslinkers, and c) optionally from auxiliaries and additives.
A)少なくとも85重量%の2,4’異性体含有量を有するジフェニルメタンジイソシアネートを、20〜200mgKOH/gのOH価および1.95〜2.40の官能価を有するポリオールと反応させて、NCOプレポリマーに基づいて1重量%〜20重量%の遊離モノマー2,4’−MDIの割合を有するNCOプレポリマーを得、そして
B)エラストマーを製造するために、アミン系連鎖延長剤および/または架橋剤並びに任意に助剤および添加剤を、A)からのプレポリマーに添加する
ことを特徴とする、請求項1に記載のポリウレタンエラストマーの製造方法。
A) Diphenylmethane diisocyanate having a 2,4 ′ isomer content of at least 85% by weight is reacted with a polyol having an OH number of 20-200 mg KOH / g and a functionality of 1.95-2.40 Obtaining an NCO prepolymer having a proportion of 1% to 20% by weight of free monomer 2,4′-MDI based on the polymer, and B) amine-based chain extenders and / or crosslinkers to produce elastomers and optionally auxiliaries and additives, characterized in that added to the prepolymer from a), producing a polyurethane elastomer according to claim 1.
成形品の製造のため、接着剤として、およびシーラントとしての請求項1に記載のポリウレタンエラストマーの使用。 Use of the polyurethane elastomer according to claim 1 as an adhesive and as a sealant for the production of molded articles. 請求項1に記載のポリウレタンエラストマーから得ることができる成形品。 A molded article obtainable from the polyurethane elastomer according to claim 1 .
JP2008552712A 2006-02-01 2007-01-19 Polyurethane cast elastomer formed from NCO prepolymer based on 2,4'-MDI, process for its production and use thereof Withdrawn JP2009525363A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006004527A DE102006004527A1 (en) 2006-02-01 2006-02-01 Polyurethane cast elastomers from NCO prepolymers based on 2,4-MDI, a process for their preparation and their use
PCT/EP2007/000446 WO2007087987A1 (en) 2006-02-01 2007-01-19 Polyurethane cast elastomers formed from nco prepolymers based on 2,4'-mdi, a process for their preparation and their use

Publications (2)

Publication Number Publication Date
JP2009525363A JP2009525363A (en) 2009-07-09
JP2009525363A5 true JP2009525363A5 (en) 2010-03-11

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ID=37808065

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JP2008552712A Withdrawn JP2009525363A (en) 2006-02-01 2007-01-19 Polyurethane cast elastomer formed from NCO prepolymer based on 2,4'-MDI, process for its production and use thereof

Country Status (11)

Country Link
EP (1) EP1981923A1 (en)
JP (1) JP2009525363A (en)
KR (1) KR20080097416A (en)
CN (1) CN101379105A (en)
BR (1) BRPI0707383A2 (en)
CA (1) CA2640685A1 (en)
DE (1) DE102006004527A1 (en)
RU (1) RU2008135000A (en)
TW (1) TW200740868A (en)
WO (1) WO2007087987A1 (en)
ZA (1) ZA200806596B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008133343A (en) * 2006-11-28 2008-06-12 Nippon Polyurethane Ind Co Ltd Urethane elastomer-forming composition composed of urethane prepolymer obtained by using 2,4'-mdi as principal component
KR100942359B1 (en) * 2007-11-06 2010-02-12 주식회사 효성 Method for preparing polyurethaneurea elastic fiber with improved heat settability
DE102008045223A1 (en) * 2007-11-20 2009-05-28 Bayer Materialscience Ag Polyurethane / polyurea elastomers based on 2,4'-diphenylmethane diisocyanate prepolymers and their preparation
DE102008012971A1 (en) 2008-03-06 2009-05-28 Bayer Materialscience Ag Preparing polyurethane prepolymer, useful to prepare polyurethane/polyurea elastomer, comprises contacting diphenylmethane diisocyanate with polyol and removing non-reacted diphenylmethane diisocyanate by distillation
DK2262842T3 (en) * 2008-03-28 2018-03-05 Polytex Sportbelaege Produktions Gmbh 2,2'-MDI-BASED ISOCYANATE MIXTURES AND THE PREPARATION AND APPLICATION OF THEREOF
MX2012012904A (en) * 2010-05-07 2012-12-17 Bayer Ip Gmbh Polyurethane elastomers, a method for producing same, and use thereof.
EP2455410A1 (en) * 2010-11-23 2012-05-23 Bayer MaterialScience AG Polyurethane elastomer moulded parts composed of diphenylmethane diisocyanate based NCO prepolymers and metal salt complexes and method for producing same
CN102181033A (en) * 2011-03-28 2011-09-14 来安县安泰聚氨酯制品有限公司 Technology formula of polyurethane stripping wheel
EP2559716A1 (en) 2011-08-15 2013-02-20 Basf Se Polyurethane cast resin
MX341391B (en) 2012-02-13 2016-08-18 Dow Global Technologies Llc Elastomers for paper mill equipment.
CN103923457B (en) * 2014-03-27 2016-08-17 黎明化工研究设计院有限责任公司 A kind of High-abrasion-resistpolyurethane polyurethane elastomer and preparation method thereof
CN106164709B (en) * 2014-03-28 2019-12-20 豪雅镜片泰国有限公司 Polyisocyanate monomer composition for optical member, and method for producing same
JP6110827B2 (en) * 2014-09-29 2017-04-05 富士フイルム株式会社 Endoscope flexible tube, endoscope adhesive, endoscope medical device, and endoscope flexible tube and endoscope medical device manufacturing method
CN109503804A (en) * 2018-12-10 2019-03-22 山西省化工研究所(有限公司) A kind of room temperature curing high-performance polyurethane elastomer composition
KR20220080138A (en) * 2019-10-09 2022-06-14 듀폰 폴리머스, 인크. improved polyester
TWI827890B (en) * 2019-10-23 2024-01-01 南韓商Sk恩普士股份有限公司 Composition for polishing pad and polishing pad
EP3835335A1 (en) 2019-12-12 2021-06-16 Covestro Deutschland AG Method for producing wood-based panels
CN115122453A (en) 2021-03-24 2022-09-30 科思创德国股份有限公司 Method for preparing artificial board
EP4223826A1 (en) 2022-02-08 2023-08-09 Covestro Deutschland AG Isocyanate composition and use thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2928182A1 (en) * 1979-07-12 1981-01-29 Bayer Ag METHOD FOR PRODUCING ELASTIC, CELL-SHAPED, POLYURETHANE UREAS, IF ANY
DE3716479A1 (en) * 1987-05-16 1988-11-24 Elastogran Gmbh METHOD FOR PRODUCING COATINGS FROM POLYURETHANE SINGLE-COMPONENT SYSTEMS AND WATER VAPOR
EP1237967B1 (en) * 1999-11-30 2007-01-10 Chemtura Corporation Process for preparing mdi prepolymers with reduced content of free mdi monomer
TW589421B (en) * 2000-04-26 2004-06-01 Du Pont Spandex with high heat-set efficiency
DE10216659A1 (en) * 2002-04-15 2003-10-23 Basf Ag A process for preparation of isocyanate compositions with blocked isocyanate groups useful in the preparation of paints, coatings, adhesives, and for elastification of epoxide and phenol resins
DE102004022683A1 (en) * 2004-05-05 2005-11-24 Basf Ag Production of polyurea spray elastomer for use in concrete repair and waterproofing, involves reacting a prepolymer derived largely from 2,4-diphenyl-methanedi-isocyanate with an amine component

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