Process for the preparation of elastomeric molded parts having urethane
or urethane and urea groups with improved light fastness and weather
resistance
    1.
    发明授权
    Process for the preparation of elastomeric molded parts having urethane or urethane and urea groups with improved light fastness and weather resistance 失效
    具有氨基甲酸乙酯或氨基甲酸乙酯和脲基的弹性体模塑部件的制备方法具有改善的耐光性和耐候性

    公开(公告)号:US4590219A

    公开(公告)日:1986-05-20

    申请号:US488038

    申请日:1983-04-22

    摘要: The invention relates to a process for the preparation of elastomeric molded parts having urethane or urethane and urea linkages which comprises reacting(a) an organic polyisocyanate,(b) a polyhydroxyl compound selected from the group consisting of(i) polyester polyols with molecular weights of 1000 to 3000 and hydroxyl numbers of 170 to 35 produced by polycondensation of organic dicarboxylic acids and a polyol mixture of at least 3 polyols;(ii) polyether polyols having terminal ester groups, molecular weights of 1000 to 8000 and hydroxyl numbers of 170 to 15; and(iii) mixtures thereof;(c) a chain extenderwherein components (a) through (c) are processed according to reaction injection molding techniques in open or closed molds.The reaction is preferably carried out as a one-shot process and may also be carried out in the presence of blowing agents (d), auxiliaries (e), and additives (e).The non-cellular and/or microcellular elastomeric molded parts produced according to the method of this invention are particularly well suited for use in the automobile industry, for example, as bumper covers and body parts such as fenders, spoilers, wheel well expansions as well as engineering housing parts and runners. The cellular foams are used, for example, as shoe soles, armrests, headrests, safety coverings in the passenger compartment in automobiles as well as motorcycle and bicycle seats, seat cushions and cover layers in composite foams.

    摘要翻译: 本发明涉及一种制备具有氨基甲酸酯或氨基甲酸酯和脲键的弹性体模塑部件的方法,其包括使(a)有机多异氰酸酯,(b)选自(i)聚酯多元醇与分子量的多羟基化合物 通过有机二羧酸和至少3种多元醇的多元醇混合物的缩聚产生的1000至3000的羟基数和170至35; (ii)具有末端酯基的聚醚多元醇,分子量为1000至8000,羟值为170至15; 和(iii)其混合物; (c)扩链剂,其中组分(a)至(c)根据在开模或封闭模具中的反应注塑技术进行加工。 反应优选作为一步法进行,也可以在发泡剂(d),助剂(e)和添加剂(e)的存在下进行。 根据本发明的方法生产的非细胞和/或微细胞弹性模制零件特别适用于汽车工业,例如保险杠盖和身体部件如挡泥板,扰流板,车轮井膨胀以及 作为工程住房部件和跑步者。 蜂窝状泡沫体例如用作鞋底,扶手,头枕,汽车乘客室中的安全覆盖物,以及摩托车和自行车座椅,座垫和复合泡沫中的覆盖层。

    Process for the preparation of optionally cellular polyurethane polyurea
molded parts
    4.
    发明授权
    Process for the preparation of optionally cellular polyurethane polyurea molded parts 失效
    制备任选细胞聚氨酯聚脲模制件的方法

    公开(公告)号:US4595705A

    公开(公告)日:1986-06-17

    申请号:US700758

    申请日:1985-02-13

    摘要: The invention relates to a one-shot process for the preparation of cellular or noncellular polyurethane polyurea parts having a modulus of flexural elasticity greater than 600 N/mm.sup.2 and densities of from 0.8 to 1.2 g/cm.sup.3 using the reaction injection molding technique, by reacting organic polyisocyanates, a polyol component, aromatic diamines, additional chain extenders and/or cross-linking agents in the presence of catalysts and optionally blowing agents, auxiliaries and/or additives, wherein the polyol component is a mixture containing(i) from 95 to 60 percent by weight of at least one compound selected from the group consisting of polyols, polyether polyamines, polyesteramides, and their mixtures having functionalities of from 2 to 6 and a molecular weight of from 1000 to 8000 and(ii) from 5 to 40 percent by weight of a least one aromatic and/or aromatic-aliphatic polyester polyol having a functionality of from 2 to 3 and a molecular weight of from 254 to 700, wherein the percents by weight are based on the total weight of the polyol component.

    摘要翻译: 本发明涉及使用反应注射成型技术制备具有大于600N / mm2的弯曲弹性模量和0.8至1.2g / cm 3的密度的细胞或非细胞聚氨酯聚脲部件的一步法,通过使 有机多异氰酸酯,多元醇组分,芳族二胺,另外的增链剂和/或交联剂,在催化剂和任选的发泡剂,助剂和/或添加剂的存在下,其中多元醇组分是含有(i)95至 60重量%的至少一种选自多元醇,聚醚多胺,聚酯酰胺及其混合物的至少一种化合物,其官能度为2至6,分子量为1000至8000,(ii)5至40% 的至少一种官能度为2至3且分子量为254至700的至少一种芳族和/或芳族 - 脂族聚酯多元醇,其中百分比 基于多元醇组分的总重量。

    Process for the preparation of optionally cellular polyurethane polyurea
molded parts with improved demolding characteristics
    6.
    发明授权
    Process for the preparation of optionally cellular polyurethane polyurea molded parts with improved demolding characteristics 失效
    用于制备具有改进的脱模特性的任选的细胞聚氨酯聚脲模制部件的方法

    公开(公告)号:US4636531A

    公开(公告)日:1987-01-13

    申请号:US700633

    申请日:1985-02-13

    摘要: The invention relates to a process for the preparation of cellular, microcellular and noncellular polyurethane polyurea molded parts through the reaction of organic polyisocyanates, polyols having at least 2 reactive hydrogen atoms, and a chain extender containing at least 70 percent by weight of a mixture of aromatic diamines comprising from 80 to 50 weight percent of at least one primary aromatic diamine whose amino groups are sterically hindered relative to reaction with polyisocyanates, and 20 to 50 weight percent of at least one unsubstituted or substituted reactive primary aromatic diamine whose amino groups do not exhibit reduced reactivity to polyisocyanates.These reactive mixtures produce polyurethane polyurea polymers with excellent demoldability without the use of external mold release agents.

    摘要翻译: 本发明涉及通过有机多异氰酸酯,具有至少2个反应性氢原子的多元醇和扩链剂的反应制备细胞,微孔和非细胞聚氨酯聚脲模制部件的方法,所述增链剂含有至少70重量% 芳族二胺,其包含80至50重量%的至少一个主芳族二胺,其氨基相对于与多异氰酸酯的反应是空间位阻的,以及20至50重量%的至少一个未取代或取代的未取代或取代的反应性伯芳族二胺,其氨基不 表现出对多异氰酸酯的反应性降低。 这些反应性混合物产生具有优异的脱模性的聚氨酯聚脲聚合物,而不使用外部脱模剂。

    Plastic compact or cellular moldings based on elastomers containing
N-substituted urea and amide groups in bound form, and
polyazomethine-containing polyoxyalkylene-polyamine mixtures
    9.
    发明授权
    Plastic compact or cellular moldings based on elastomers containing N-substituted urea and amide groups in bound form, and polyazomethine-containing polyoxyalkylene-polyamine mixtures 失效
    基于含有N-取代的脲和氨基酸组合的弹性体的塑料紧密或细胞模型,以及含聚氨基甲酸酯的聚羟基亚甲基 - 多胺混合物

    公开(公告)号:US5084487A

    公开(公告)日:1992-01-28

    申请号:US628299

    申请日:1990-12-17

    摘要: The invention relates to a process for the production of elastic, compact or cellular moldings based on elastomers containing N-substituted urea and amide groups in bound form, by reactinga) one or more organic and/or modified organic polyisocyanate withb) a polyazomethine-containing polyoxyalkylene-polyamine mixture (b) which contains:bi) one or more polyoxyalkylene-polyaldimine and/or polyketimine,bii) one or more polyoxyalkylene-polyamine containing terminal secondary amino groups, and, if desired,biii) one or more polyoxyalkylene-polyamine containing terminal primary amino groups andc) one or more alkyl-substituted aromatic polyamine having a molcular weight of up to 500, in the presence or absence ofd) catalyst, and, if appropriate,e) blowing agents,f) auxiliaries and/org) additives,to polyazomethine containing polyoxyalkylene - polyamine mixtures which can be used for this purpose and to the prepared elastomers.

    摘要翻译: 本发明涉及通过使a)一种或多种有机和/或改性的有机多异氰酸酯与b)多偶氮甲酰胺反应来生产基于含有结合形式的N-取代的脲和酰胺基的弹性体的弹性,紧密或多孔模制品的方法 (b),其包含:bi)一种或多种聚氧化烯 - 聚醛亚胺和/或聚酮亚胺,bii)一种或多种含聚氧亚烷基 - 多胺的末端仲氨基,并且如果需要,biii)一种或多种聚氧化烯 - 含有末端伯氨基的多胺和c)在存在或不存在d)催化剂的情况下,一种或多种具有至多500摩尔重量的烷基取代的芳族多胺,以及如果合适的话,e)发泡剂,f)助剂 和/或g)添加剂,可以用于可用于该目的的聚氧亚烷基 - 多胺混合物和制备的弹性体。

    Novel copolymers and their use as auxiliaries and/or additives in
formulations for the preparation of polyisocyanate addition
polymerization products
    10.
    发明授权
    Novel copolymers and their use as auxiliaries and/or additives in formulations for the preparation of polyisocyanate addition polymerization products 失效
    新型共聚物及其用作制备聚异氰酸酯添加聚合产物的辅助剂和/或添加剂

    公开(公告)号:US5059632A

    公开(公告)日:1991-10-22

    申请号:US430607

    申请日:1989-11-01

    摘要: This invention deals with novel copolymers having K values of from 5 to 80 prepared by the radical polymerization of:(A) 20 to 80 weight percent, based on the total weight of (A) and (B), of at least one olefinic unsaturated polyoxyalkylene alcohol adduct or a polyester alcohol adduct;(B) 80 to 20 weight percent, based on the total weight of (A) and (B), of at least one vinyl monomer selected from the group consisting of N-vinylformamide, N-vinyl-2-pyrrolidone, N-vinyl-piperidone, N-vinyl-2-caprolactam, N-vinylimidazole, N-vinyl-2-ethylene-urea and N-vinyl-2-propylene-urea;(C) 0.05 to 40 parts by weight of glycidyl acrylate and/or glycidyl methacrylate;(D) 0 to 10 parts by weight of at least one .alpha.,.beta.-monoolefinic unsaturated acid; and(E) 0 to 30 parts by weight of at least one olefinic unsaturated carboxylic acid amide and or carboxylic acid ester and/or styrene;whereby the parts by weight of (C), (D) and (E) are each based on 100 parts by weight of monomers (A) and (B).The copolymers are used as auxiliaries and/or additives, for example, as dispersing agents and/or emulsification agents or as additives for improving the mechanical properties in formulations for the preparation of polyisocyanate addition polymerization products.

    摘要翻译: 本发明涉及通过以下自由基聚合制备的K值为5至80的新型共聚物:(A)基于(A)和(B)的总重量为20至80重量%的至少一种烯属不饱和 聚氧化烯醇加合物或聚酯醇加合物; (B)基于(A)和(B)的总重量的80至20重量%的至少一种乙烯基单体,其选自N-乙烯基甲酰胺,N-乙烯基-2-吡咯烷酮,N-乙烯基 哌啶酮,N-乙烯基-2-己内酰胺,N-乙烯基咪唑,N-乙烯基-2-亚乙基脲和N-乙烯基-2-丙烯 - 脲; (C)0.05〜40重量份丙烯酸缩水甘油酯和/或甲基丙烯酸缩水甘油酯; (D)0至10重量份的至少一种α,β-单烯烃不饱和酸; 和(E)0至30重量份的至少一种烯属不饱和羧酸酰胺和/或羧酸酯和/或苯乙烯; (C),(D)和(E)的重量份分别为100重量份的单体(A)和(B)。 共聚物用作助剂和/或添加剂,例如作为分散剂和/或乳化剂或用作改进用于制备多异氰酸酯加成聚合产物的配方中的机械性能的添加剂。