Blocked polyisocyanates with improved storage stability
    1.
    发明授权
    Blocked polyisocyanates with improved storage stability 失效
    封闭的多异氰酸酯具有改善的储存稳定性

    公开(公告)号:US4518522A

    公开(公告)日:1985-05-21

    申请号:US533081

    申请日:1983-09-19

    IPC分类号: C08G18/10 C08G18/28 C08G18/80

    摘要: The present invention is directed to a process for improving the storage stability of a composition which contains(a) a blocked polyisocyanate prepared by blocking the isocyanate groups of an organic polyisocyanate with a blocking agent comprising a di-C.sub.1 -C.sub.12 -alkyl and/or -alkoxyalkyl malonate and(b) is free from compounds containing at least two isocyanate-reactive hydrogens, which comprises incorporating a stabilizing amount of a compound having monofunctional reactivity towards isocyanates into the composition.The present invention is also directed to the storage stable composition produced in accordance with the above process.

    摘要翻译: 本发明涉及一种用于提高组合物的储存稳定性的方法,该组合物含有(a)通过用含有二-C 1 -C 12 - 烷基和/或C 1 -C 12烷基的封端剂封端有机多异氰酸酯的异氰酸酯基而制得的封端多异氰酸酯 - 烷氧基烷基丙二酸酯和(b)不含含有至少两个异氰酸酯反应性氢的化合物,其包括将稳定量的具有对异氰酸酯的单官能反应性的化合物掺入组合物中。 本发明还涉及根据上述方法生产的储存稳定组合物。

    Polyurethane compositions with improved storage stability
    2.
    发明授权
    Polyurethane compositions with improved storage stability 失效
    具有改善储存稳定性的聚氨酯组合物

    公开(公告)号:US4439593A

    公开(公告)日:1984-03-27

    申请号:US498225

    申请日:1983-05-26

    CPC分类号: C08G18/2805 C08G18/8093

    摘要: The present invention is directed to a process for improving the storage stability of a composition containing(a) a blocked polyisocyanate component prepared by blocking the isocyanate groups of an organic polyisocyanate with a blocking agent comprising a di-C.sub.1 -C.sub.12 -alkyl and/or -alkoxyalkyl malonate and(b) a component comprising a compound containing at least two isocyanate-reactive hydrogens, which comprises incorporating a stabilizing amount of a compound having monofunctional reactivity towards isocyanates into the composition by adding said compound to component (a), component (b) or to the mixture of components (a) and (b).The present invention is also directed to the storage stable composition produced in accordance with the above process.

    摘要翻译: 本发明涉及一种提高含有(a)通过用含有二-C 1 -C 12 - 烷基和/或C 1 -C 12烷基的封端剂封闭有机多异氰酸酯的异氰酸酯基而制备的封端多异氰酸酯组分的组合物的储存稳定性的方法。 (b)包含至少两种异氰酸酯反应性氢的化合物的组分,其包括向组合物中加入稳定量的具有对异氰酸酯具有单官能反应性的化合物加入到组分(a),组分( b)或组分(a)和(b)的混合物。 本发明还涉及根据上述方法生产的储存稳定组合物。

    High solids polyester polyols
    3.
    发明授权
    High solids polyester polyols 失效
    高固含量聚酯多元醇

    公开(公告)号:US4859791A

    公开(公告)日:1989-08-22

    申请号:US21106

    申请日:1987-03-03

    IPC分类号: C07C69/80 C08G63/20

    CPC分类号: C07C69/80 C08G63/20

    摘要: The present invention is directed to a polyester polyol having a molecular weight between about 850 and 2000, a functionality of about 5 to 9 and an OH number of about 200 to 350, based on 100% solids, which is prepared by reacting(a) an acid component based on at least one polyfunctional cycloaliphatic or aromatic carboxylic acid, anhydride or ester and optionally up to about 50 percent by weight of at least one acyclic, polyfunctional carboxylic acid and(b) a hydroxyl component containing at least a portion of at least one polyol having a functionality of at least 3.The present invention is also directed to a process for preparing these polyester polyols by reacting the above components and is further directed to the use of these polyester polyols in combination with organic polyisocyanates for the production of polyurethanes, particularly polyurethane coatings.

    摘要翻译: 本发明涉及一种聚酯多元醇,其分子量为约850至2000,官能度为约5至9,OH数为约200至350,基于100%固体,其通过使(a) 基于至少一种多官能脂环族或芳族羧酸,酸酐或酯的酸组分,和任选地至多约50重量%的至少一种无环多官能羧酸,和(b)含有至少一部分 至少一种官能度至少为3的多元醇。本发明还涉及通过使上述组分反应制备这些聚酯多元醇的方法,并且还涉及这些聚酯多元醇与有机多异氰酸酯的组合用于制备 聚氨酯,特别是聚氨酯涂料。

    High solids urethanes and application thereof
    4.
    发明授权
    High solids urethanes and application thereof 失效
    高固体聚氨酯及其应用

    公开(公告)号:US4203875A

    公开(公告)日:1980-05-20

    申请号:US799179

    申请日:1977-05-23

    摘要: A method for applying a polyurethane coating onto a substrate by employing a catalyzed coating composition comprising the steps:(1) Providing a coating composition comprised of:(A) a polyol composition comprising (1) a polymerized low molecular weight polyol selected from the group consisting of (a) polycaprolactone; (b) a copolymer of a compound of the formula CH.sub.2 .dbd.C(R)--R.sup.1 and allyl alcohol; and (c) mixtures thereof; (2) a saturated aliphatic polyol from 4 to 12 carbon atoms or a saturated cycloaliphatic polyol of from 5 to 8 carbon atoms per ring; wherein R is methyl, ethyl or hydrogen; R.sup.1 is a group having 6 to 12 carbon atoms containing an aromatic carbocyclic ring;(B) a polyisocyanate; wherein the ratio of NCO/OH of A and B ranges from about 0.9 to 1.2; the coating composition having a range of solids content from about 40 to about 100% by weight; and(C) a compatible polyurethane catalyst;(2) Applying the coating composition to a substrate; and(3) Heating the coated substrate at a temperature-time range of from about 130.degree. F. to about 180.degree. F. for a period of time ranging from about 15 minutes to about 60 minutes to achieve a Tukon hardness of at least 3 within 24 hours.

    摘要翻译: 一种通过使用催化涂层组合物将聚氨酯涂层施加到基材上的方法,包括以下步骤:(1)提供涂料组合物,其包含:(A)多元醇组合物,其包含(1)聚合的低分子量多元醇, 由(a)聚己内酯组成; (b)式CH 2 = C(R)-R1的化合物和烯丙醇的共聚物; 和(c)它们的混合物; (2)4-12个碳原子的饱和脂族多元醇或每个环碳原子数为5至8个碳原子的饱和脂环族多元醇; 其中R是甲基,乙基或氢; R1是含有芳香族碳环的碳原子数6〜12的基团。 (B)多异氰酸酯; 其中A和B的NCO / OH的比例在约0.9至1.2的范围内; 所述涂料组合物具有约40至约100重量%的固体含量范围; 和(C)相容的聚氨酯催化剂; (2)将涂料组合物涂布在基材上; 和(3)在约130°F至约180°F的温度 - 时间范围内加热涂覆的基材一段时间为约15分钟至约60分钟,以达到至少3的Tukon硬度 24小时内。

    High solids urethanes and application thereof
    5.
    发明授权
    High solids urethanes and application thereof 失效
    高固体聚氨酯及其应用

    公开(公告)号:US4070509A

    公开(公告)日:1978-01-24

    申请号:US599833

    申请日:1975-07-28

    摘要: A method for applying a polyurethane coating onto a substrate by employing a catalyzed coating composition comprising the steps:1. Providing a coating composition comprised of:A. a polyol composition comprising (1) a polymerized low molecular weight polyol selected from the group consisting of (a) polycaprolactone; (b) a copolymer of a compound of the formula CH.sub.2 .dbd.C(R)--R.sup.1 and allyl alcohol; and (c) mixtures thereof; (2) a saturated aliphatic polyol from 4 to 12 carbon atoms or a saturated cycloaliphatic polyol of from 5 to 8 carbon atoms per ring; wherein R is methyl, ethyl or hydrogen; R.sup.1 is a group having 6 to 12 carbon atoms containing an aromatic carbocyclic ring;B. a polyisocyanate; wherein the ratio of NCO/OH of A and B ranges from about 0.9 to 1.2; the coating composition having a range of solids content from about 40 to about 100% by weight; andC. a compatible polyurethane catalyst;2. Applying the coating composition to a substrate; and3. Heating the coated substrate at a temperature-time range of from about 130.degree. F to about 180.degree. F for a period of time ranging from about 15 minutes to about 60 minutes to achieve a Tukon hardness of at least 3 within 24 hours.

    摘要翻译: 一种通过使用催化涂层组合物将聚氨酯涂层施加到基底上的方法,包括以下步骤: