会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Road paving binders
    • 路面铺路
    • US5627225A
    • 1997-05-06
    • US551078
    • 1995-10-31
    • Martin L. GorbatyChristian G. LenobleNicholas C. NahasDennis G. Peiffer
    • Martin L. GorbatyChristian G. LenobleNicholas C. NahasDennis G. Peiffer
    • C08L95/00E01C7/26
    • E01C7/267C08L95/00
    • This invention provides for novel road paving binder compositions and the method of making them. One embodiment is a road paving binder composition of a storage stable blend of a sulfonated, unhydrogenated random copolymer of styrene and butadiene having a sulfonation level of from 1 to 100 meq S0.sub.3 H/100 g of polymer and a sulfonated asphalt. Another is a method of making a storage stable polymer modified asphalt composition by combining a sulfonated unhydrogenated random styrene butadiene copolymer having a sulfonation level of from about 1 to 100 meq S0.sub.3 H per 100 g of polymer and a sulfonated asphalt at a temperature of at least about 180.degree. C. to produce a storage stable polymer modified asphalt. Yet another is a method of making a storage stable polymer modified asphalt by combining a sulfonated unhydrogenated random styrene and butadiene copolymer having a sulfonation level of from about 1 to 100 meq S0.sub.3 H/100 g of polymer, and unsulfonated asphalt and a basic neutralizing agent at a temperature of from about 170.degree. C. to 185.degree. C. to produce a storage stable polymer modified asphalt. Still another is a method for making a storage stable road paving composition by cosulfonation of a blend of unhydrogenated random styrene-butadiene copolymer and an asphalt at 180.degree.-210.degree. C. The novel road paving asphaltic compositions have enhanced viscoelasticity and storage stability. The compositions can be used as binders in road paving applications. Sulfonated copolymers of random styrene-isoprene may be substituted for the sulfonated copolymers of styrene-butadiene herein.
    • 本发明提供了新型路面铺路粘合剂组合物及其制备方法。 一个实施方案是具有1至100meq SO 3 H / 100g聚合物和磺化沥青的磺化水平的苯乙烯和丁二烯的磺化,未氢化的无规共聚物的储存稳定共混物的铺路粘合剂组合物。 另一种是通过将磺化的未氢化的无规苯乙烯丁二烯共聚物与磺酸化沥青混合,所述磺化非氢化的无规苯乙烯丁二烯共聚物的磺酸化水平为每100g聚合物约1至100meq SO 3 H,磺化沥青的温度为至少约 180℃,生产储存稳定的聚合物改性沥青。 另一种是通过将磺化未氢化的无规苯乙烯和磺化程度为约1至100meq SO 3 H / 100g聚合物的磺化非氢化无规苯乙烯和丁二烯共聚物,以及未磺​​化沥青和碱性中和剂组合而制备储存稳定的聚合物改性沥青的方法 温度为约170℃至185℃,以产生储存稳定的聚合物改性沥青。 另一种是通过在180-210℃下将未氢化的无规苯乙烯 - 丁二烯共聚物和沥青的共混物进行磺化来制备储存稳定的铺路组合物的方法。新型铺路沥青组合物具有增强的粘弹性和储存稳定性。 组合物可以用作道路摊铺应用中的粘合剂。 无规苯乙烯 - 异戊二烯的磺化共聚物可以代替苯乙烯 - 丁二烯的磺化共聚物。
    • 3. 发明授权
    • Pavement Binder
    • 路面粘合剂
    • US5549744A
    • 1996-08-27
    • US525898
    • 1995-09-08
    • Olga PuzicLarry J. EversKenneth E. WilliamsonMartin L. GorbatyNicholas C. Nahas
    • Olga PuzicLarry J. EversKenneth E. WilliamsonMartin L. GorbatyNicholas C. Nahas
    • C08L95/00E01C7/26C09D195/00
    • E01C7/267C08L95/00E01C7/265
    • The present invention provides for a method of making storage stable road paving binders by blending a minor amount of a polymer having at least one diene monomer with a major amount of asphalt containing at least 0.3% by weight of total nitrogen at an elevated temperature such that the components are sufficiently fluid to blend; treating the asphalt-polymer blend using not more than 250 meq of a sulfonating agent per 100 g of asphalt-polymer blend to introduce the corresponding acid functionality into the blend; maintaining the sulfonated asphalt-polymer blend at a sufficiently elevated temperature and stripping the sulfonated blend with sufficient chemically unreactive gas to remove a major fraction of the acid functionality introduced by sulfonation. The invention also provides for the compositions made by the process. These are useful as binders in road paving applications.
    • 本发明提供一种通过将少量具有至少一种二烯单体的聚合物与主要含量为总氮至少0.3重量%的沥青在升高的温度下混合来制备储存稳定的铺路粘合剂的方法,使得 组分充分流体混合; 使用每100g沥青聚合物共混物不超过250meq的磺化剂处理沥青聚合物共混物以将相应的酸官能团引入到共混物中; 在充分升高的温度下保持磺化沥青聚合物共混物,并用足够的化学反应性气体汽提磺化的共混物,以除去通过磺化引入的大部分酸性官能团。 本发明还提供了通过该方法制备的组合物。 这些作为道路铺路应用中的粘合剂是有用的。
    • 4. 发明授权
    • Polymer-modified, oxidized asphalt compositions and methods of
preparation
    • 聚合物改性,氧化沥青组合物及其制备方法
    • US5336705A
    • 1994-08-09
    • US41072
    • 1993-04-01
    • Martin L. GorbatyNicholas C. Nahas
    • Martin L. GorbatyNicholas C. Nahas
    • C08L23/16C08L33/08C08L53/02C08L95/00C08L101/00C08L101/08
    • C08L95/00C08L23/16C08L33/08C08L53/025
    • Disclosed in this invention are novel road paving asphaltic compositions having improved viscoelastic properties and storage stability and unexpected phase compatibility. They contain neutralized mixtures of oxidized asphalt and an acid functionalized polymer, which polymer is selected from the group consisting of sulfonated EPDM, sulfonated styrene-butadiene, and acrylic acid terpolymers, in an amount that is sufficient to result in an asphaltic composition having a softening point greater about 55.degree. C. and a viscosity in the range from about 150 cPs to 2000 cPs or from about 3000 cPs to about 8000 cPs at 135.degree. C. and effective to allow the formation of one continuous phase or two interdispersed phases that do not segregate on standing at elevated temperatures. The basic neutralizing agent used in these compositions contain cations having a valence of from +1 to +3, preferably +2. The invention also relates to the products produced by the process and method of making the compositions. The compositions can be used as a binder in paving applications, particularly as a binder in dense graded and in open graded hot mix pavements.
    • 本发明公开了具有改进的粘弹性和储存稳定性以及出人意料的相位相容性的新型道路铺路沥青组合物。 它们含有氧化沥青和酸官能化聚合物的中和混合物,该聚合物选自磺化EPDM,磺化苯乙烯 - 丁二烯和丙烯酸三元共聚物,其量足以导致沥青组合物具有软化 更高约55℃,在135℃下的粘度范围为约150cPs至2000cPs或约3000cPs至约8000cPs,有效地允许形成一个连续相或两个分散相 在高温下静置时不分离。 在这些组合物中使用的碱性中和剂含有价数为+1至+3,优选+2的阳离子。 本发明还涉及通过制备组合物的方法和方法生产的产品。 该组合物可用作铺路应用中的粘合剂,特别是作为致密分级和开放分级热混合路面中的粘合剂。
    • 10. 发明授权
    • Alkali metal catalyst recovery system
    • 碱金属催化剂回收系统
    • US4057512A
    • 1977-11-08
    • US618292
    • 1975-09-29
    • Charles J. VadovicRobert D. WesselhoftNicholas C. Nahas
    • Charles J. VadovicRobert D. WesselhoftNicholas C. Nahas
    • B01J23/92C01B33/12C01D5/02C01F7/34C01F7/36C05C5/00C10J3/54C01D13/00
    • C10J3/54B01J23/92C01B33/12C01D5/02C01F7/34C01F7/36C05C5/00C10J3/482C10J2300/093C10J2300/0973C10J2300/0986C10J2300/1853Y02P20/52Y02P20/584
    • In a coal gasification operation or similar process carried out in the presence of an alkali metal-containing catalyst wherein spent solids containing ash and alkali metal catalyst residues are produced, alkali metal constituents are recovered from the spent solids by first removing magnetic constituents from the solids, contacting the solid particles from which magnetic constituents have been separated with an acid solution to extract alkali metal constituents from the solids and produce a spent acid solution enriched in alkali metal salts, raising the pH of the enriched solution sufficiently to precipitate aluminum from the solution as aluminum hydroxide, heating the remaining solution to precipitate silicon compounds, and recovering an enriched alkali metal solution from which aluminum and silicon compounds have been removed. This process permits the effective recovery of alkali metal catalyst constituents, eliminates iron compounds and other inactive constituents which may otherwise tend to build up in the catalyst system, and makes possible the recovery of aluminum as a valuable by-product of the process.
    • 在生产含有灰分和碱金属催化剂残余物的废固体的碱金属的催化剂存在下进行的煤气化操作或类似方法中,通过首先从固体中除去磁性成分从废固体中回收碱金属成分 使已经与磁性组分分离的固体颗粒与酸溶液接触以从固体中提取碱金属成分,并产生富含碱金属盐的废酸溶液,从而使富含溶液的pH充分地从溶液中沉淀出铝 作为氢氧化铝,加热剩余的溶液以沉淀硅化合物,并回收已除去铝和硅化合物的富集的碱金属溶液。 该方法允许碱金属催化剂组分的有效回收,消除铁化合物和其它可能倾向于在催化剂体系中累积的其它无活性组分,并且使作为该方法有价值的副产物的铝的回收成为可能。