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    • 2. 发明授权
    • Method of making a coated substrate with polyurethane/urea contact adhesive formulations and the coated substrate by this method
    • 通过该方法制备具有聚氨酯/脲接触粘合剂制剂的涂布基材和涂布的基材的方法
    • US06187892B1
    • 2001-02-13
    • US08483349
    • 1995-06-07
    • Peter H. MarkuschJames W. RosthauserRobert L. Cline
    • Peter H. MarkuschJames W. RosthauserRobert L. Cline
    • C08G1848
    • C09J175/12C08G18/482C08G18/5024Y02P20/582Y10S528/905Y10T428/31551
    • The present invention relates to a method of making a coated substrate that requires a polyurethane/urea contact adhesive, and the coated substrates produced by this method. This invention requires a) a polyisocyanate with a functionality of less than about 4, b) optionally, a polyol blend consisting of about 95 to 100% polyether polyols with molecular weights from about 1800 to 12000 and average functionality from about 1.5 to about 4 and up to about 5% of chain extenders with molecular weights from about 60 to 400 and average functionality from about 1.5 to about 3, and c) polyethers having at least two isocyanate reactive groups and a molecular weight of from about 1800 to about 12000 and average functionality from about 1.5 to about 4 in which at least 50% of the isocyanate reactive groups are primary and/or secondary amino groups. The weight ratio of components b) to component c) ranges from about 95:5 to about 0:100, and the amounts of components a), b), and c) are such that the equivalent ratio of isocyanate groups to isocyanate-reactive groups is from about 85:100 to about 115:100 and the sum of the urethane group content plus the urea group content is from about 1 to about 12%.
    • 本发明涉及一种制备需要聚氨酯/尿素接触粘合剂的涂布基材和通过该方法制备的涂布基材的方法。 本发明要求a)具有小于约4的官能度的多异氰酸酯,b)任选地,由约95至100%的分子量为约1800至12000的聚醚多元醇和平均官能度为约1.5至约4的多元醇共混物和 高达约5%的分子量为约60至400且平均官能度为约1.5至约3的扩链剂,以及c)具有至少两个异氰酸酯反应性基团和分子量为约1800至约12000的聚醚和平均 约1.5至约4的官能度,其中至少50%的异氰酸酯反应性基团是伯和/或仲氨基。 组分b)与组分c)的重量比范围为约95:5至约0:100,并且组分a),b)和c)的量使得异氰酸酯基团与异氰酸酯反应性的当量比 基团为约85:100至约115:100,并且氨基甲酸酯基含量加上尿素基团含量的总和为约1至约12%。
    • 3. 发明授权
    • Polyurethane contact adhesives with improved temperature resistance
properties
    • 具有改善耐温性能的聚氨酯接触粘合剂
    • US5733966A
    • 1998-03-31
    • US787066
    • 1997-01-22
    • Robert L. ClineJames W. RosthauserPeter H. Markusch
    • Robert L. ClineJames W. RosthauserPeter H. Markusch
    • C08G18/48C08G18/72C09J175/08C08J3/00C08G18/00C08K3/20C08L75/00
    • C08G18/725C08G18/4812C09J175/08C08G2170/40Y02P20/582
    • The present invention relates to highly elastic polyurethane contact adhesives, a process to coat substrates with these contact adhesives, and the coated substrates produced by this process. This invention requires a) a polyisocyanate with a functionality of less than about 4 and b) a polyol blend comprising 1) about 90 to 100% polyethers with molecular weights from about 1,800 to 12,000 and average functionality from about 1.5 to about 4, and 2) up to about 10% of chain extenders with molecular weights from about 60 to 400 and average functionality from about 1.5 to about 3. The functionalities and amounts of components a) and b) are such that the molecular weight between crosslinks is from about 7,000 to about 16,000 and the equivalent ratio of isocyanate groups to isocyanate-reactive groups is from about 80:100 to about 120:100 and the urethane group content is from about 1 to about 8%. It is preferred that at least one of components a) and b) have a functionality of greater than about 2.2.
    • 本发明涉及高弹性聚氨酯接触粘合剂,用这些接触粘合剂涂覆基材的方法以及通过该方法生产的涂布基材。 本发明要求a)具有小于约4的官能度的多异氰酸酯和b)多元醇共混物,其包含1)约90至100%分子量为约1,800至12,000的聚醚,平均官能度为约1.5至约4,和2 )至多约10%的分子量为约60至400且平均官能度为约1.5至约3的扩链剂。组分a)和b)的官能度和量使得交联之间的分子量为约7,000 至约16,000,异氰酸酯基与异氰酸酯反应性基团的当量比为约80:100至约120:100,氨基甲酸酯基含量为约1至约8%。 组分a)和b)中的至少一种优选具有大于约2.2的官能度。
    • 6. 发明授权
    • Fertilizer encapsulation using sulfur containing polyols
    • 含硫多元醇的肥料封装
    • US06617412B2
    • 2003-09-09
    • US09976610
    • 2001-10-12
    • Peter H. MarkuschRobert L. Cline
    • Peter H. MarkuschRobert L. Cline
    • C08G1840
    • C08G18/3206C05G3/0023C05G3/0029C08G18/48
    • This invention relates to fertilizer encapsulation with polyurethanes wherein the isocyanate-reactive composition contains sulfur. The process of the present invention comprises applying a polyisocyanate composition to fertilizer particles, applying an isocyanate-reactive composition which contains sulfur to the polyisocyanate coated fertilizer particles, or applying an isocyanate-reactive composition which contains sulfur to fertilizer particles and then applying a polyisocyanate composition to the isocyanate-reactive coated fertilizer particles, and repeating these steps as necessary to form sulfur containing polyurethane encapsulated fertilizer particles.
    • 本发明涉及具有聚氨酯的肥料封装,其中异氰酸酯反应性组合物含有硫。 本发明的方法包括将多异氰酸酯组合物施加到肥料颗粒上,将含有硫的异氰酸酯反应性组合物施加到多异氰酸酯涂覆的肥料颗粒上,或将含有硫的异氰酸酯反应性组合物施用于肥料颗粒,然后施加多异氰酸酯组合物 涉及异氰酸酯反应性包被的肥料颗粒,并根据需要重复这些步骤以形成含硫聚氨酯包封的肥料颗粒。
    • 10. 发明授权
    • One-shot polyurethane elastomers with very low compression set
    • 一次性聚氨酯弹性体具有非常低的压缩永久变形
    • US06277943B1
    • 2001-08-21
    • US09458790
    • 1999-12-10
    • Ashok M. SarpeshkarPeter H. MarkuschRobert L. Cline
    • Ashok M. SarpeshkarPeter H. MarkuschRobert L. Cline
    • C08G1876
    • C08G18/6674C08G18/7664
    • The present invention relates to a process for the production of one-shot polyurethane elastomers having low compression sets. This process comprises reacting a polymethylene poly(phenylisocyanate) having an average functionality of 2.2 to 2.8, and a polyol component that has an average functionality of 2.0 or less. The polyol component comprises at least one relatively high molecular weight isocyanate-reactive component, and at least one relatively low molecular weight isocyanate-reactive component, with the functionalities and quantities of each component being such that the above average functionality of 2.0 or less for the polyol component is satisfied. Polyurethane elastomers produced by the process of this invention are characterized by compression sets of less than 10%.
    • 本发明涉及生产具有低压缩变形的单次聚氨酯弹性体的方法。 该方法包括使平均官能度为2.2〜2.8的多亚甲基聚异氰酸苯酯和平均官能度为2.0以下的多元醇成分反应。 多元醇组分包含至少一种相对高分子量的异氰酸酯反应性组分和至少一种相对低分子量的异氰酸酯反应性组分,每种组分的官能度和数量使得上述平均官能度为2.0或更低 满足多元醇成分。 通过本发明方法生产的聚氨酯弹性体的特征在于压缩组小于10%。