专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5747582A Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor 失效
标题翻译：水性涂料组合物及其用于制备可渗透水蒸气的涂料的用途
公开(公告)号：US5747582A
公开(公告)日：1998-05-05
申请号：US460178
申请日：1995-06-02
申请人： Detlef-Ingo Schutze , Wilhelm Thoma , Klaus Nachtkamp , Josef Pedain , Reinold Schmitz
发明人： Detlef-Ingo Schutze , Wilhelm Thoma , Klaus Nachtkamp , Josef Pedain , Reinold Schmitz
IPC分类号： C08G18/08 , C08G18/28 , C08G18/44 , C08G18/50 , C14C11/00 , D06N3/14 , D21H19/62 , C08J3/00 , C08K3/20 , C08L75/00
CPC分类号： C08G18/0823 , C08G18/0804 , C08G18/0828 , C08G18/283 , C08G18/3228 , C08G18/3231 , C08G18/3855 , C08G18/44 , C08G18/5072 , C08G18/73 , C14C11/006 , D06N3/14 , D21H19/62 , Y10T428/31551 , Y10T428/31558 , Y10T428/31591
摘要： The invention relates to coating compositions used to prepare coatings having water vapor permeabilities of at least 2500 g/m.sup.2 per day (DS 2109 TM1 method) containing (A) a polyurethane containing (1) 0.1 to 75 meq/100 g of ionic groups and (2) 11 to 50% by weight of --(CH.sub.2 CH.sub.2 O).sub.n -- units (wherein n is 2 to 25) incorporated into the main chain prepared from reactive components comprising (I) one or more polyisocyanates, (II) one or more polyols having a number average molecular weight of 350 to 5000, with the proviso that if any such polyol is a sulfonated polyether diol having the formula ##STR1## in which R is hydrogen or an organic group having 1 to 8 carbon atoms, m and n are 1 to 10, p is 0, 1, or 2, and M is ammonium or alkali metal cation, then an additional ethoxy-containing polyether polyol must also be present, and (III) one or more chain lengthening agents having a molecular weight of 32 to 349; and (B) 30 to 80% by weight, based on the sum of components (A) and (B), of an aqueous phase.
摘要翻译：本发明涉及用于制备具有每天至少2500g / m 2的水蒸汽渗透性（DS 2109 TM1方法）的涂层的涂料组合物，其包含（A）含有（1）0.1至75meq / 100g离子基团的聚氨酯和（2）由反应性组分制备的包含（I）一种或多种多异氰酸酯的主链中的 - （CH 2 CH 2 O）n-单元（其中n为2至25）的11至50重量％，（II）一种或多种多元醇数均分子量为350至5000，条件是如果任何这样的多元醇是具有式“IMAGE”的磺化聚醚二醇，其中R是氢或具有1至8个碳原子的有机基团，m和n分别为 1至10，p为0,1或2，M为铵或碱金属阳离子，则还必须含有另外的含乙氧基的聚醚多元醇，和（III）一种或多种链增长剂，其分子量为 32至349; 和（B）基于水相的组分（A）和（B）的总和为30至80重量％。

2. 发明授权

US5716676A Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor 失效
标题翻译：水性涂料组合物及其用于制备可渗透水蒸气的涂料的用途
公开(公告)号：US5716676A
公开(公告)日：1998-02-10
申请号：US748743
申请日：1996-11-18
申请人： Detlef-Ingo Schutze , Wilhelm Thoma , Klaus Nachtkamp , Josef Pedain , Reinold Schmitz
发明人： Detlef-Ingo Schutze , Wilhelm Thoma , Klaus Nachtkamp , Josef Pedain , Reinold Schmitz
IPC分类号： C08G18/08 , C08G18/28 , C08G18/44 , C08G18/50 , C14C11/00 , D06N3/14 , D21H19/62 , B05D3/02 , B05D3/00 , C14C5/00 , D06M19/00
CPC分类号： C08G18/0823 , C08G18/0804 , C08G18/0828 , C08G18/283 , C08G18/3228 , C08G18/3231 , C08G18/3855 , C08G18/44 , C08G18/5072 , C08G18/73 , C14C11/006 , D06N3/14 , D21H19/62 , Y10T428/31551 , Y10T428/31558 , Y10T428/31591
摘要： The invention relates to the use of coating compositions to prepare coatings having water vapor permeabilities of at least 2500 g/m.sup.2 per day (DS 2109 TM1 method) containing (A) a polyurethane containing (1) 0.1 to 75 meq/100 g of ionic groups and (2) 11 to 50% by weight of --(CH.sub.2 CH.sub.2 O).sub.n -- units (wherein n is 2 to 25) incorporated into the main chain prepared from reactive components comprising (I) one or more polyisocyanates, (II) one or more polyols having a number average molecular weight of 350 to 5000, with the proviso that if any such polyol is a sulfonated polyether diol having the formula ##STR1## in which R is hydrogen or an organic group having 1 to 8 carbon atoms, m and n are 1 to 10, p is 0, 1, or 2, and M is ammonium or alkali metal cation, then an additional ethoxy-containing polyether polyol must also be present, and (III) one or more chain lengthening agents having a molecular weight of 32 to 349; and (B) 30 to 80% by weight, based on the sum of components (A) and (B), of an aqueous phase.
摘要翻译：本发明涉及涂料组合物用于制备具有每天至少2500g / m 2的水蒸汽渗透性（DS 2109 TM1方法）的涂层的用途，其包含（A）含有（1）0.1至75meq / 100g离子的聚氨酯基团和（2）由反应性组分制备的主链中的 - （CH 2 CH 2 O）n - 单元（其中n为2至25）的11至50重量％，其包含（I）一种或多种多异氰酸酯，（II）一种或多种更多的数均分子量为350〜5000的多元醇，条件是如果任何这样的多元醇是具有1至8个碳原子的式基的磺化聚醚二醇，则m和n为1至10，p为0,1 或2，M是铵或碱金属阳离子，则还必须含有另外的含乙氧基的聚醚多元醇，和（III）一种或多种分子量为32至349的链延长剂; 和（B）基于水相的组分（A）和（B）的总和为30至80重量％。

3. 发明授权

US5629402A Coating compositions and their use for the preparation of coatings permeable to water vapor 失效
标题翻译：涂料组合物及其用于制备可渗透水蒸汽的涂料
公开(公告)号：US5629402A
公开(公告)日：1997-05-13
申请号：US221214
申请日：1994-03-31
申请人： Josef Pedain , Detlef-Ingo Schutze , Wilhelm Thoma , Klaus Nachtkamp
发明人： Josef Pedain , Detlef-Ingo Schutze , Wilhelm Thoma , Klaus Nachtkamp
IPC分类号： C09D175/04 , C08G18/08 , C08G18/12 , C08G18/40 , C08G18/42 , C08G18/44 , C08G18/48 , C09D175/00 , D06M15/564 , D06M15/568 , D06M23/00 , D06M23/10 , D06N3/14 , C08G18/38 , C08G18/80
CPC分类号： D06N3/14 , C08G18/0804 , C08G18/12 , C08G18/4018 , C08G18/4252 , C08G18/44 , C08G18/4833 , C08G18/4837 , D06M15/564 , D06M15/568 , D06M23/00 , D06M23/10
摘要： This invention relates to coating compositions containing (A) a polyurethane system containing either a polyurethane containing ionic groups and polyethylene oxide units or a precursor thereof prepared from a blocked isocyanate prepolymer and a cross-linking agent and, optionally, (B) organic solvents. This invention further relates to the use of such coating compositions to prepare coatings that are permeable to water vapor.
摘要翻译：本发明涉及包含（A）包含含有离子基团和聚环氧乙烷单元的聚氨酯的聚氨酯体系的涂料组合物或其由嵌段异氰酸酯预聚物和交联剂以及任选的（B）有机溶剂制备的前体。本发明还涉及这种涂料组合物用于制备可渗透水蒸气的涂层的用途。

4. 发明授权

US5252671A Coating compositions for coatings that are permeable to water vapor and a process for their preparation 失效
标题翻译：可渗透水蒸气的涂料涂料组合物及其制备方法
公开(公告)号：US5252671A
公开(公告)日：1993-10-12
申请号：US887213
申请日：1992-05-21
申请人： Josef Pedain , Klaus Noll , Wilhelm Thoma , Detlef-Ingo Schutze
发明人： Josef Pedain , Klaus Noll , Wilhelm Thoma , Detlef-Ingo Schutze
IPC分类号： C14C11/00 , C08L75/00 , C09D133/04 , C09D175/00 , C09D175/04 , D06M15/564 , D06N3/04 , D06N3/14 , C08F8/30
CPC分类号： D06N3/14 , C09D133/04 , C09D175/04 , C08L75/00 , Y10S528/904
摘要： The present invention relates to coating compositions containing(A) 70 to 98% by weight, based on the sum of components (A) and (B), of(a) isocyanate-free polymers of ethylenically unsaturated monomers and/or polyurethanes or blocked isocyanate prepolymers, and(b) optional organic solvents, wherein component (A) contains no significant quantities of groups capable of reacting with component (B) or starting materials thereof and has a viscosity (at 23.degree. C.) of 2000 to 100,000 mPa.s;(B) 2 to 30% by weight, based on the sum of components (A) and (B), of a polyaddition product prepared in and dispersed in component (A), wherein the polyaddition product is a polyurethane, polyurethane urea, polyurea, or mixture thereof, containing ionic groups and/or potentially ionic groups in a quantity corresponding to from 0.5 to 20 milliequivalents per 100 g of component (B) but containing substantially no free isocyanate, hydroxyl, or amino groups: and(C) optional cross-linking agents;in which component (B) is formed in situ in component (A).
摘要翻译：本发明涉及涂料组合物，其包含（A）70至98重量％，基于组分（A）和（B）的总和，（a）烯属不饱和单体和/或聚氨酯或封闭的无异氰酸酯的聚合物异氰酸酯预聚物和（b）任选的有机溶剂，其中组分（A）不含有显着量的能够与组分（B）或其原料反应的基团，并且具有2000至100,000mPa的粘度（在23℃） .s; （B）基于组分（A）和（B）的总和，制备和分散在组分（A）中的加聚产物的2-30重量％，其中所述加聚产物是聚氨酯，聚氨酯脲，聚脲或其混合物，其含有相对于每100g组分（B）0.5至20毫当量但基本上不含游离异氰酸酯，羟基或氨基的量的离子基团和/或潜在的离子基团：和（C）任选的交联剂; 其中组分（B）在组分（A）中原位形成。

5. 发明授权

US4876302A Polyurethane dispersions and the use thereof as finishing agents 失效
标题翻译：聚氨酯分散体及其作为整理剂的用途
公开(公告)号：US4876302A
公开(公告)日：1989-10-24
申请号：US284970
申请日：1988-12-15
申请人： Klaus Noll , Wilhelm Thoma , Klaus Nachtkamp , Walter Schroer , Josef Pedain
发明人： Klaus Noll , Wilhelm Thoma , Klaus Nachtkamp , Walter Schroer , Josef Pedain
IPC分类号： C08L75/04 , C08G18/00 , C08G18/08 , C08G18/12 , C08G18/66 , C08G18/72 , C08G18/73 , C08G18/75 , C08J7/04 , C08L75/00 , C09D175/00 , C09D175/04 , C09D175/06 , C09D175/12
CPC分类号： C09D175/06 , C08G18/0819 , C08G18/12 , C08G18/6644 , C08G18/6659 , C08G18/722 , C08J7/047 , C08J2475/00
摘要： The present invention is directed to aqueous coating compositions suitable for use as coating and finishing agents for surface coatings, preferably PVC or polyurethane coatings, based on sedimentation-stable polyurethane dispersions having a solids content of about 10-70% by weight wherein the polyurethane-urea solids material is based on polyester diols, low molecular weight diols and optionally triols, chemically incorporated hydrophilic groups, specific mixtures of diisocyanates and polyamine chain extenders having an average functionality of greater than 2 and wherein the aqueous preparations additionally contain alkoxylated dimethyl-polysiloxanes and water-soluble polyethylene oxides. The present invention is also directed to a process for applying top coats and finishes to surface coatings, preferably PVC or polyurethane surface coatings, wherein the above-described aqueous coating and finishing agents are used as the top coat and the coatings are cured at about 70.degree.-170.degree. C.
摘要翻译：本发明涉及适用于基于沉积稳定的聚氨酯分散体的表面涂层（优选PVC或聚氨酯涂层）的涂层和整理剂的水性涂料组合物，其中固体含量为约10-70％（重量），其中聚氨酯 - 脲固体材料基于聚酯二醇，低分子量二醇和任选的三醇，化学引入的亲水基团，二异氰酸酯的特定混合物和平均官能度大于2的多胺扩链剂，其中所述水性制剂另外含有烷氧基化二甲基 - 聚硅氧烷，水溶性聚环氧乙烷。本发明还涉及一种将表面涂层和表面涂层施用于表面涂层，优选PVC或聚氨酯表面涂层的方法，其中上述水性涂料和整理剂用作顶涂层，并且涂层在约70℃下固化 DEG-170℃

6. 发明授权

US4743470A Spreading pastes containing polyurethane plastics and a process for the production of polyurethane coatings permeable to water vapor 失效
标题翻译：散布含有聚氨酯塑料的糊状物以及生产可渗透水蒸汽的聚氨酯涂料的方法
公开(公告)号：US4743470A
公开(公告)日：1988-05-10
申请号：US829892
申请日：1986-02-18
申请人： Klaus Nachtkamp , Wilhelm Thoma , Josef Pedain , Walter Schroer , Rolf Langel
发明人： Klaus Nachtkamp , Wilhelm Thoma , Josef Pedain , Walter Schroer , Rolf Langel
IPC分类号： C08J7/04 , C08G18/00 , C08G18/04 , C08G18/08 , C08G18/38 , C08G18/40 , C08G18/42 , C08G18/48 , C08G18/61 , C08L75/00 , C09D175/00 , C09D175/04 , C14C11/00 , D06M13/02 , D06M13/224 , D06M13/325 , D06M13/338 , D06M15/256 , D06M15/263 , D06M15/507 , D06M15/53 , D06M15/564 , D06M15/568 , D06M15/576 , D06M15/61 , D06M15/643 , D06N3/14 , D06M15/572 , D06M15/653
CPC分类号： D06N3/142 , C08G18/3861 , C08G18/4018 , C08G18/4202 , C08G18/4211 , C08G18/4879 , C08G18/61 , C09D175/04 , C14C11/006 , D06N3/14 , D06N3/141 , Y10T428/31558 , Y10T442/2861 , Y10T442/2893
摘要： This invention relates to spreading pastes containing polyurethanes which are prepared from special synthesis components selected from the group of silicone resins, polyethers or polyesters containing aromatic segments or perfluorocarbon resins. The spreading pastes also contain organic solvents and optionally non-solvents for the polyurethanes so that when the coatings are used to coat textile substrates according to the direct or transfer process, the coatings may be cured based on the principle of evaporation coagulation.
摘要翻译：本发明涉及由含有聚硅氧烷树脂，聚醚或含有芳族链段或全氟化碳树脂的聚酯组成的特殊合成成分制备的含有聚氨酯的铺展浆料。铺展的糊料还含有有机溶剂和任选的用于聚氨酯的非溶剂，使得当根据直接或转移过程将涂层用于涂覆织物基材时，可以基于蒸发凝结原理固化涂层。

7. 发明授权

US4652466A Coating agents of polyurethane dispersions and the use thereof for top coats and finishes 失效
标题翻译：聚氨酯分散体的涂层剂及其用于顶部涂层和表面处理剂的用途
公开(公告)号：US4652466A
公开(公告)日：1987-03-24
申请号：US841492
申请日：1986-03-19
申请人： Wilhelm Thoma , Klaus Noll , Klaus Nachtkamp , Josef Pedain , Walter Schroer
发明人： Wilhelm Thoma , Klaus Noll , Klaus Nachtkamp , Josef Pedain , Walter Schroer
IPC分类号： C08G18/08 , C08G18/12 , C08G18/42 , C08G18/44 , C08G18/66 , C08G18/72 , C08G18/75 , C08J7/04 , B05D5/00
CPC分类号： C08G18/0804 , C08G18/12 , C08G18/42 , C08G18/4238 , C08G18/44 , C08G18/6644 , C08G18/722 , C08G18/75 , C08J7/047 , C08J2327/06 , Y10T428/3158
摘要： This invention relates to coating compositions based on aqueous polyurethane dispersions, as well as the use of the coating compositions for the production of top coats or finishes on flexible substrates, particularly on PVC. The present coating agents contain an aqueous polyurethane dispersion having certain physico-chemical properties and the following composition of the solid substance:(A) from about 30 to 60%, by weight, of a hexane diol-1,6-polyester diol having a molecular weight of from about 500 to 6000;(B) up to about 8%, by weight, of a relatively low molecular weight triol having a molecular weight of from about 91 to 399;(C) from about 3 to 30%, by weight, of one or more mono- or poly-functional compounds bearing cationic and/or anionic groups and/or containing non-ionic polyoxyethylene segments;(D) from about 20 to 50%, by weight, of a diisocyanate corresponding to the following general formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represents hydrogen or a straight- or branched-chain aliphatic hydrocarbon radical containing from 1 to 4 carbon atoms;(E) from about 2.5 to 20%, by weight, of other aliphatic and/or cycloaliphatic diisocyanates; and(F) from about 0.5 to 4%, by weight, of hydrazine; and optionally conventional additives, auxiliaries and catalysts.
摘要翻译：本发明涉及基于水性聚氨酯分散体的涂料组合物，以及用于在柔性基材上，特别是PVC上生产顶涂层或表面处理剂的涂料组合物的用途。本发明的涂层剂含有具有一定物理化学性质和以下固体物质组成的水性聚氨酯分散体：（A）约30至60重量％的己二醇-1,6-聚酯二醇，其具有分子量为约500至6000; （B）至多约8重量％的分子量为约91至399的较低分子量三醇; （C）约3至30重量％的一种或多种带有阳离子和/或阴离子基团和/或含有非离子聚氧乙烯链段的单官能或多官能化合物; （D）约20至50重量％的对应于以下通式的二异氰酸酯：其中R 1，R 2和R 3可以相同或不同，各自表示氢或直链或支链含有1至4个碳原子的链脂族烃基; （E）约2.5至20重量％的其它脂族和/或脂环族二异氰酸酯; 和（F）约0.5至4重量％的肼; 和任选的常规添加剂，助剂和催化剂。

8. 发明授权

US4594385A Coating agents of polyurethane dispersions and the use thereof for top coats and finishes 失效
公开(公告)号：US4594385A
公开(公告)日：1986-06-10
申请号：US411137
申请日：1982-08-24
申请人： Wilhelm Thoma , Klaus Noll , Klaus Nachtkamp , Josef Pedain , Walter Schroer
发明人： Wilhelm Thoma , Klaus Noll , Klaus Nachtkamp , Josef Pedain , Walter Schroer
IPC分类号： C08G18/08 , C08G18/12 , C08G18/42 , C08G18/44 , C08G18/66 , C08G18/72 , C08G18/75 , C08J7/04 , C08L75/00
CPC分类号： C08G18/0804 , C08G18/12 , C08G18/42 , C08G18/4238 , C08G18/44 , C08G18/6644 , C08G18/722 , C08G18/75 , C08J7/047 , C08J2327/06 , Y10T428/3158
摘要： This invention relates to coating compositions based on aqueous polyurethane dispersions, as well as the use of the coating compositions for the production of top coats or finishes on flexible substrates, particularly on PVC. The present coating agents contain an aqueous polyurethane dispersion having certain physico-chemical properties and the following composition of the solid substance:(A) from about 30 to 60%, by weight, of a hexane diol-1,6-polyester diol having a molecular weight of from about 500 to 6000;(B) up to about 8%, by weight, of a relatively low molecular weight triol having a molecular weight of from about 91 to 399;(C) from about 3 to 30%, by weight, of one or more mono- or poly-functional compounds bearing cationic and/or anionic groups and/or containing non-ionic polyoxyethylene segments;(D) from about 20 to 50%, by weight, of a diisocyanate corresponding to the following general formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represents hydrogen or a straight- or branched-chain aliphatic hydrocarbon radical containing from 1 to 4 carbon atoms;(E) from about 2.5 to 20%, by weight, of other aliphatic and/or cycloaliphatic diisocyanates; and(F) from about 0.5 to 4%, by weight, of hydrazine; and optionally conventional additives, auxiliaries and catalysts.

9. 发明授权

US4728542A Ionically modified pur spreading pastes and their use 失效
标题翻译：离子改性的涂布膏及其用途
公开(公告)号：US4728542A
公开(公告)日：1988-03-01
申请号：US874326
申请日：1986-06-13
申请人： Klaus Nachtkamp , Wilhelm Thoma , Josef Pedain , Walter Schroer , Rolf Langel , Klaus Noll
发明人： Klaus Nachtkamp , Wilhelm Thoma , Josef Pedain , Walter Schroer , Rolf Langel , Klaus Noll
IPC分类号： C08G18/08 , C08G18/40 , C08G18/61 , C09D5/00 , C09D175/00 , C09D175/04 , C14C11/00 , D06M13/02 , D06M13/07 , D06M13/224 , D06M15/564 , D06N3/14 , B05D3/02 , C08F8/30 , C08F283/04
CPC分类号： D06N3/14 , C08G18/0804 , C08G18/4009 , C08G18/61 , C09D175/04 , C14C11/006
摘要： The present invention is directed to the preparation of optionally pigmented spreading paste based on multiphase mixtures of ionically-modified polyurethanes and/or polyurethane ureas which are prepared from special synthesis components based on silicone resins, aromatic hydroxypolyethers, aromatichydroxy polyesters, and perfluorocarbon resins, the multiphase mixtures additionally containing water and organic solvents for the polyurethanes and/or polyurethane ureas. The present invention is also directed to the preparation of these optionally pigmented spreading pastes and to their use for the production of coatings permeable to water vapor on fabric or leather substrates by the direct or transfer method using the technique of evaporation.
摘要翻译：本发明涉及基于由基于有机硅树脂，芳族羟基聚醚，芳基三羟基聚酯和全氟化碳树脂的特殊合成成分制备的基于离子改性聚氨酯和/或聚氨酯脲的多相混合物的任意着色的铺展浆料的制备，多相混合物另外含有聚氨酯和/或聚氨酯脲的水和有机溶剂。本发明还涉及这些任选着色的铺展糊剂的制备及其用于通过使用蒸发技术的直接或转移方法生产可渗透织物或皮革基底上的水蒸汽的涂层。

10. 发明授权

US4530990A Process for the preparation of viscosity stable polyurethane solutions 失效
标题翻译：制备粘度稳定的聚氨酯溶液的方法
公开(公告)号：US4530990A
公开(公告)日：1985-07-23
申请号：US433596
申请日：1982-10-08
申请人： Reinhard Halpaap , Josef Pedain , Wilhelm Thoma , Jurgen Grammel
发明人： Reinhard Halpaap , Josef Pedain , Wilhelm Thoma , Jurgen Grammel
IPC分类号： C08G18/00 , C08G18/10 , C08G18/65 , C08G2/28 , C08G18/08
CPC分类号： C08G18/10
摘要： A process is described for the preparation of predominantly linear polyurethane solutions which comprises(a) reacting(A) an organic diisocyanate or diisocyanate mixture optionally containing small portions of a triisocyanate with(B) one or more polyhydroxyl compounds which are predominantly bifunctional and generally have molecular weights of from about 400 to 5000 and(C) optionally one or more chain lengthening agents having at least two isocyanate reactive hydrogen atoms and molecular weights of from about 32 to 399, wherein the proportion of isocyanate groups to the number of isocyanate-reactive hydrogen atoms is in the range of from about 0.9:1 to 1:0.9, and(b) when the polyurethane formed has reached the required viscosity, adding a monofunctional, low molecular weight oxime having a molecular weight of from about 73 to 325, preferably butanone oxime, to the reaction mixture as chain breaking agent in a quantity equivalent to or in excess of the equivalents of unreacted isocyanate groups.The new chain breaking agents are simple compounds which effect rapid chain breaking and have no undesirable side effects as regards subsequent breakdown of the chains and even enable further synthesizing reactions to be carried out if desired, for example with diamines.
摘要翻译：描述了用于制备主要为线性聚氨酯溶液的方法，其包括（a）使（A）任选地含有少量三异氰酸酯的有机二异氰酸酯或二异氰酸酯混合物与（B）一种或多种主要是双官能的多羟基化合物反应，并且通常具有约400至5000的分子量和（C）任选的一种或多种具有至少两个异氰酸酯反应性氢原子和分子量为约32至399的链延长剂，其中异氰酸酯基团与异氰酸酯反应性数目的比例氢原子在约0.9:1至1:0.9的范围内，和（b）当所形成的聚氨酯达到所需粘度时，加入分子量为约73至325的单官能低分子量肟，优选丁酮肟作为断链剂的反应混合物，其量等于或超过未反应的异氰酸酯的当量 anate组。新的断链剂是简单的化合物，其能够快速断链，并且对链的随后分解没有不期望的副作用，并且甚至能够进一步合成反应，如果需要，例如用二胺进行。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式